File NO.

TEVP-2016031

SERVICE MANUAL

LCD Color Television

55U7750 EA
&EE
(System Information) &
&EV
(Model Information)
CONTENTS
1.IMPORTANT NOTICE

2.GREEN PRODUCT PROCUREMENT

3.LEAD-FREE SOLDER

4.SAFETY INSTRUCTION

5.SERVICE MODE

6.SOFTWARE UPDATE

7.HOTEL MODE

8.INTERCONNECT

9.SCHEMATIC DIAGRAM

10.PART LIST

11.SET ID AND PANEL ID

1.IMPORTANT NOTICE

WARNING:

You are requested that you shall not modify or alter the information or data provided
herein without prior written consent by Toshiba. Toshiba shall not be liable to
anybody for any damages, losses, expenses or costs, if any, incurred in connection
with or as a result of such modification or alteration.

THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED "AS IS" WITHOUT ANY
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED WARRANTY OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Toshiba shall not be liable for any damages, losses, expenses or costs, if any,
incurred in connection with or as a result of use of any information or data provided
herein.
 2.GREEN PRODUCT PROCUREMENT

Through updating the equipment’s and controlling the raw materials,KTC has the full ability to supply the products which
meet the requirements of ROHS of European Union since May 15th,2006.

Increasing attention is given to issues related to the global environmental.KTC recognizes environmental protection as
a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental
activities. In line with this, KTC pro-actively promotes Green Procurement, and seeks to purchase and use products,
parts and materials that have low environmental impacts.
Green procurement of parts is not only confined to manufacture. The same green parts used in manufacture must also
be used as replacement parts.

3.LEAD-FREE SOLDER

This product is manufactured using lead-free solder as a part of a movement within the consumer products industry at
large to be environmentally responsible. Lead-free solder must be used in the servicing and repair of this product.
The melting temperature of lead-free solder is higher than that of leaded solder by 30ºC to 40ºC . Use of a
soldering iron designed for lead-based solders to repair product made with lead-free solder may result in
damage to the component and or PCB being soldered. Great care should be made to ensure high-quality soldering
when servicing this product especially when soldering large components, through-hole pins, and on PCBs as the
level of heat required to melt lead-free solder is high.
 4.SAFETY INSTRUCTION
For your safety, please read the following safety rules and precautions:
1. All maintenance work must be operated by professional personnel.
2. Make sure the working table is well grounded before maintenance, and take sound static prevention measures.
3. Make sure the tools such as soldering iron and screwdriver are in good grounding before maintenance.
4. During the maintenance process, please wear the electrostatic ring to prevent damage to the product by
personal static.
5. Clean the work table before maintenance to avoid scratching shell or screen by hard articles.6. Pay close
attention to warning information on the products during maintenance process.
7. Please set up the product in accordance with product instructions.
8. Only use a dry cloth to clean the circuit during maintenance process.
9. Please check the component model before replacing it. Using of unauthorized parts may
lead to harm such as electric shock, fire or X-ray radiation.
10. When replacing maim board or bus, make are it is inserted at the proper position and incorrect direction,
otherwise the LCD screen may be burnt out.
11. When connecting to high-voltage board, make sure the plug is inserted in place; otherwise
it may lead to sparkle or protection on the screen, disabling display on the screen.
12. When replacing main board or flat cable, please check whether the main board scheme
and software installed are consistent with the screen model.
13. Do not press the wires when installing parts, especially when you install the shielding shell and back cover.14.
Do not block the ventilation hole when installing the product.
15. Please restore the locations of all parts, installing status, component models and all parameter settings to the
status before maintenance.
5. SERVICE MODE
Enter Factory mode : Menu 8202
Factory Menu_MSD6A638_DVB
Factory Reset off/on
Age mode off/on
Channel presets(press OK key)
Power on mode(press left or right) Secondary/Memory/Direct
Mboot Update(press OK key)
Main update(press OK key)
Write MAC address(Data Debug)
Data Debug(press OK key)
Other
Panel:K490WD9-LN330
PQ:K490WD9-LN330A1
Software Version:1.0.0
Barcoding:
MAC address:
 6. SOFTWARE UPDATE

1, software upgrade tools and materials

* PC (WINDOWS XP system, USB2.0)
* AC100 ~ 240V power supply and power cord
* ISP programming board and cable
* ISP programming board driver
* USB flash drive (version 2.0, the capacity is not more than 4G)
* Upgrade software and boot files

2, the software upgrade content and procedures :

1. U disk formatted as FAT32 format , and then upgrade the software ( software name and case is MstarUpgrade, suffix
bin) put in the U disk .

The bigger the file, the longer time

upgrade will take, it is normally about
3~5 minutes，give enough time to
make sure upgrade success

Method 1: Insert U disk into TV main board or programming fixture board USB interface ,press MENU key on remote
control to prompt user menu , then press left/right key to switch to Setting interface , press up/down key to move cursor to
Software Update(USB), press OK to get in to the next sub menu , press right key to Start, press OK to upgrade , the
machine will power up automatically after upgrading finished , it will take about 5 minutes , do not cut off power during
upgrading or do not conduct any operation otherwise will damage main board.
Method 2: Insert U disk into TV main board or programming fixture board USB interface , long press VOL+ key, then
power on TV ( main board ) , after about five seconds the TV ( remote control panel ) indicator fast when flashing ,
indicating that the TV is being upgraded , after the light is not blinking on and off ( this process is time-consuming
depending on the size of the main board software , the greater the file the longer the software upgrade , the upgrade takes
roughly three minutes when the board software has 270M , 500M needs four minutes ) , means upgrade is complete .

3. Notes:
a. the file name and the case cannot be wrong , otherwise it will not be upgraded .
b. When using the U disk upgrade, sometimes light will no longer flashing after a TV remote control panel lights
flickering flashes ten seconds, this is upgrade failure. Normal upgrade remote panel lights flashing to be more than two
minutes, in this case upgrade again by powering off main board.
c. after powering off, if main board cannot upgrade normally , programming again the boot file (Mboot.bin or
MbootUprade.bin).
e. If the operator of this program is not familiar with the software, under the condition the can see factory menu
recommended upgrading the operating menu to enter the factory to prevent misuse.

4, when the above third step cannot be upgraded, upgrade the boot file first; please refer to the following specific
operating instructions.
MSD6A638 Network TV main board related upgrade packages with mboot.bin and MbootUpgrade.bin equipped with
two boot files. Both boot files function are the same, but there are differences between upgrade methods, only one
upgrade one of them. If the current TV main board can work properly, copy the boot files to the U disk after formatted
FAT32, then follow the instructions below to upgrade:

Method 1 : first MbootUpgrade.bin boot files, stored in the U disk, and then insert U disk in TV main board USB port,
press and hold the VOL + button on the TV control panel and hold, then power on TV ( main board), approximately after
five seconds the TV ( remote control panel ) indicator flashes rapidly , indicating that the TV is being upgraded , after the
light is not blinking on and off (time-consuming of this process approximately 60 seconds ) , indicating that the upgrade
is complete .

Method 2 : first Mboot.bin boot files stored in the U disk, then U disk inserted in the TV main board USB interface to
power on TV, and then press the MENU button on the remote control and then followed by 8202 the number keys to enter
the factory menu, move cursor to Other Option press OK to enter , and then move the cursor to upgrade mboot option ,
press OK to upgrade ( this time-consuming of this process is about 15 seconds ) .

Notes:
1.mboot.bin and MbootUpgrade.bin files can be put together in a U- disk, but no matter what methods to upgrade, all
operating according to operation instructions, control time to upgrade, ensure that the upgrade completed before power
failure, otherwise upgrade fails.
2. Because the boot files related to the TV's screen resolution and other relevant parameters, so before the software
upgrade boot files of each board must be upgrade first.
3. If the above two methods cannot upgrade, using programming board online upgrade following the instructions:
5, Programming board driver installation.
Use programming board online upgrade, programming board driver program has to be installed to PC, see the following
operation instructions.
1.use USB connecting wire to connect programming board and personal PC.
ISP
programming
board
To personal
PC
2. PC identify new device, choose to install from list or specified location and appoint driver file position as figure.
3. after PC finds driver file, below information will be prompted during installation, click on , remains can be installed, the
system will install the driver process three times , namely : Mstar USB Debug Tool A; Mstar USB Debug Tool B; Mstar
USB SerialPort , install the three drives in order !

6. use programming board online upgrade boot file.

1. Use a USB cable and VGA cable to connect the programming board and TV main board , computer main bard and
then powering on main board.
 To personal PC
USB interface

To TV main
board VGA
socket

2.Double-click to run ISP_Tool_MSD638.exe, click the "Auto" icon on the main toolbar under the type selected for
eMMC.

3.Click the "Read" button in the main toolbar under load in EISP Loader File1 munim_EISP_boot _ ** _ **. Bin, in EISP
Read File1 load rom_emmc_boot.bin, in EISP Loader File2 load munim_EISP_user _ ** _ **. Bin, load mboot.bin
( Figure 2 ) in EISP Read File2.
 refer to the
actual file name

4.Click on the main toolbar "Config" button , the interface is set up according to the pictures of their respective settings.
5.after confirming communication setting and file loading is correct , powering up main board , click“Connect” during
powering up , if there “Connect Status：Success” prompt at interface lower right corner means connection success, can
get in the next step.

If it prompt “Can’t Find the Device Type Emmc!”, means connection is not successful , please shut off power and click
“Connect”again until appears “Connect Status：Success”
6.Check "Auto" icon in the menu settings are consistent with the figure below, and then click "Run" button to boot file to
program.

Programming
progress
Execute button

result
Programming progress bar will scroll now, after programming is finished, it will show “Pass”。

7, Main board driver upgrade.

1). U disk formatted as FAT32 format, and then upgrade the software ( software name is MstarUpgrade, suffix is bin) put
in U disk .
2). Insert U disk into main board or programming TV fixture USB port , press VOL + key, then power on TV ( main board)
after about five seconds the TV ( remote control panel ) indicator flashes rapidly , indicating the TV is being upgraded ,
when the light stops blinking and goes out ( this process time-consuming is depending on the size of the main board
software , the greater the file the longer the software upgrade time , when the board is 270M, upgrade software takes
roughly three minutes ,when 500M , it is about four minutes ) , indicating that the upgrade is complete .
3). Notes：
a. the file name and case cannot be wrong , otherwise it will not be upgraded .
b. When using U disk to upgrade, sometimes after light does not flat after a TV remote control panel lights flickering
flashes ten seconds, this is upgrade failure. Normal upgrade remote panel lights flashing more than two minutes , place the
board in case of power failure in this case re- board software upgrade.
c.main board cannot be upgraded after powering on , please programming boot file again (Mboot.bin or
MbootUprade.bin).
c. software is not used for this machine cannot be used for machine upgrading , otherwise auto encryption will
cause main board cannot be used, please verify before upgrading.

8, press MENU key on remote control to prompt user menu , then press left/right key to switch to Setting interface , press
up/down keys to move cursor to Recall, press OK to reset , it will take about 3 minutes , machine will start after auto
powering up to finish upgrading.
7. HOTEL MODE

Figure NO. Function item Function explanation

0、 get in method menu+4578
when choosing " start", hotel menu function can be adjusted.
1、 hotel menu
when choosing" close" hotel menu, function cannot be adjusted.
when choosing "start", cannot operate auto searching channel in main menu ,manual searching,
channel channel management function.
2、 searching lock when choosing "close", can operate auto searching channel in main menu ,manual searching,
channel management function.
With this function, can control the maximum volume of hotel guests when using the TV can be
the Max.sound set to prevent excessive noise affecting rest of other guests .When the analog set to "50", the
3、 volume user normally can adjust the max. sound to "50" in main menu , continue to adjust the sound of
analog without effect, the administrator can adjust sound volume freely.
When selecting "start", can set "image mode" and "boot sound volume", such as the user to
adjust the menu a variety of analog and then re-boot menu is automatically restored to the factory
4、 Auto recover
preset condition;
When selecting "close", can not set " image mode" and "start on sound volume" , an analog
switch will be saved during ON/OFF machine.
When the item 4 is set to "On" image mode can be selected under the "standard, dynamic, soft,
5、 image mode
personal" four modes, such as setting to "dynamic" mode, each boot image is saved as "active";
After setting the boot sound volume, regardless of the volume before shutdown, after rebooting,
machine starting
6、 sound volume
the volume automatically becomes the default value; ( when the item 4 is set to "On" , the volume
can be set, when the item 4 selected as "Off" this function is not adjustable)
machine starting This function can set start signal source, regardless of the time before shut down in any TV
7、 signal source channel , when ON again will automatically go to the administrator pre-set signal source;
machine starting TV Will be transferred to the television reboot hotel administrator preset channel when restarting;
8、 channel (if the start signal is selected as TV Status,this function is not available);
Some of the hotel channel or pay channels can be shielded , when the user switches to the
9、 Encryped channel locked channel , the screen will be prompted and need to to enter the password; this function
need to be used together with (10, lock) function ;
And used with the 9 channel lock channels: take manage control for selected locking channels ;
can set "on" or "off"; methods of operation as follows: If locking channel selection is "2" channel,
10、 locking
when the lock is selected as "ON", then 2 channel will be locked; user selection elected to "2" ,the
Channel screen is prompted for a password, otherwise inaccessible (decryption password: 8989);
When selecting as "On" ,the panel button has no effect, the user only can operate by remote
11、 key locker control;
When selecting as "Off" , panel key is effective.
machine starting
12、 image related
"Save to USB"; set hotel menu, the program will automatically search TV channel, then U disk
inserted into the USB port, then select "Save to USB", when "OK" appears means the current all
settings was cloned down, then the U disk will generate a EEPROM file;
13、 clone "Read from USB"; insert the U disk with clone file into another TV , enter the hotel menu, select
"Read from USB" when "OK" appears means the current machine settings and programs are
consistent with the former one, clone ability completed at this time (This function will save time
for hotel administrator of settings and search channel repeatly)
8. INTERCONNECT
 5 4 3 2 1

9. SCHEMATIC DIAGRAM

VB1 4K V by one
3.3V_NORMAL 12V_NORMAL
AS1117
D RESET D
TUNER PWR TUNER_3.3V 屏电压 SPK-L
Audio AMP
AS1117 TPA3110LD2
12V_NORMAL
SPK-R
1.28V VDDC_CPU PWR MOS管控制

12V_NORMAL DC-DC

1.15V VDDC PWR TS

DC-DC
5V_NORMAL 3.3V
IF
DDR PWR DDR PWR 1.5V MSB102KT 1.2V
DC-DC
5V_STANDBY 3.3V_Standby
MSD6A638
3.3V_STANDBY SILICON TUNER
AS1117 MXL661
PWR_ON/OFF
TUNER_3.3V

RF
32Gbit

AV-OUT
COAXIAL
C IR&KEY C

USB
GPIO
Y/Pb/Pr

AV-IN

三极管控制 EMMC FLASH

VGA

B IR&KEY TUNER CONN B

HDMI1

HDMI1 HDMI2
(ARC) LAN

HDMI2 LAN Y/Pb/Pr AV-IN VGA COAXIAL VEDIO-OUT USB

HDMI3
(MHL)

文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

4
+5V_Normal +5V_Standby U11
Connetor C143 10uF VDDC DC/DC
CN101 12pin/2.0MM
VDDC 最大平均电流为 3A ,保证DCDC 温升电流5A AMS1117L-3.3

ADJ

OUT
C147 0.1uF
PM5V 1

IN
R106
PM5V 2
+12V_Normal U15
电压为1.0V

3
3 H :Power on
5VSB +5V_Standby L14
1K L :Power off
+1.2V_VDDC +3.3V_Standby
4 STANDBYSTANDBY R109 +5V_Standby
standby PWR-ON/OFF 4 8 6 2 1
GND 5 100R PVDD LX SPM65302R2/5A
200mA
6 C135 C101 C102
GND R127 C127 R118
R120 1 7 C124 0.1uF NC/22K_1%
7 +5V_Standby EN BST 0.1uF 0.1uF 2.2uF
D BL_ON/OFF 100K 10k 330pF/X7R D
+5V_Normal
BL_PWM 8 R117 +1.2V_VDDC
3 5V FB 2
C125 C138 12K_1%
9 +12V_NORMAL C148 C136 C140 C141C139C132C111

PowerPAD
12V
12V 10
C149 4 SDA SCL 5 R1
C144 10uF/16V

4
11 C145 470uF/16V 10uF U13
GND 0.1uF 10uF 0.1uF 22uF/6.3V 0.1uF
GND 12 0.47uF 1uF 22uF/6.3V
C146 0.1uF
靠近DC-DC 22uF/6.3V
AMS1117L-3.3

9
+5V_Normal

ADJ

OUT
MSH6110A1

IN
4,6,9,10 I2C-SDA I2C-SCL 4,6,9,10
Inverter controler Addr 0x82 靠近DC-DC

3
R6
+3.3V_Normal
6 BL-ADJUST 1K 电阻靠近DCDC,敏感线,远离干扰源
6 PWM OUT 1K R51
Vout=0.83V*(1+R1/50k) C107 C108 C112
3 +5V_Normal
Q1 pull a 5 mil +1.2V_VDDC trace from IC of bottrom to voltage
0R/NC R55 C53 R49 1 feedback of switching power IC .the trace shall shield gnd 0.1uF 0.1uF 2.2uF
BRI_ADJ 4
4.7K R50
1 0R R53 2.2uF/DC 3904
BL_ADJUST 450mA Max
2

NC/10K SAMSUNG panel 0~3.3V R34=10K

BL_ON/OFF 2 LG/CMO/AU panel 0~5V,R34 NC
+5V_Normal

4
3 U16
GND
CN102
3Pin/2.0MM R52
VDDC_CPU DC/DC 此DCDC不能改，并且参数设置尽量follow 公板 AS1117L-1.8

ADJ

OUT
R43

IN
4.7K +12V_Normal U14
电压为1.1V
10K +1.2V_VDDC_CPU
L13

3
BL-ON/OFF +1.8V_Normal
3

Q10
8 6 2 1
1 R57 4.7K PVDD LX SPM65302R2/5A
R119
3

Q11 0R
R121 C126 R115 C57
3904 1 R54 4.7K VBL_CTRL 4 +5V_Normal C41 C40
R122 1 7 C121 0.1uF NC/22K_1%
2

C
100K 10k EN BST 330pF/X7R 2.2uF C
3904 "VBL_CTRL" IO口为高电平时，背光开。 0.1uF 0.1uF
2

"VBL_CTRL" IO口为低电平时，背光关。
3 2 R113 +1.2V_VDDC_CPU
C122 C137 5V FB 18K_1%
C130 C131 C133C129C123C104 40mA LDO

PowerPAD
4 SDA SCL 5 R1
10uF/16V
Power for panel Panel_VCC
0.1uF
0.47uF 1uF
22uF/6.3V
22uF/6.3V
0.1uF
靠近DC-DC 22uF/6.3V

4
U901

9
Q12
ME2325
MSH6110A
+12V_NORMAL VCC_P 4,6,9,10 I2C-SDA I2C-SCL 4,6,9,10
L111 Addr 0x80 靠近DC-DC AMS1117L-3.3

ADJ

OUT
0805_BEAD/12V屏 C37 R41 C67 +3.3V_TU

IN
10K
0.1uF 0.47uF C134 CA8

3
PANEL_ON C47 Vout=0.83V*(1+R1/50K) +3.3V_TU
0.1uF 10uF/16V 10uF/16V 电阻靠近DCDC,敏感线,远离干扰源 pull a 5 mil +1.2V_VDDC_CPU trace from IC of bottrom to voltage
R58 +5V_Normal
feedback of switching power IC .the trace shall shield gnd C904
100K C911
C908 C902 C901 C90347nF
10uF
2.2uF 0.1uF 0.1uF 2.2uF
3

Q9 R169 10R R157 IR-in R167 100R IRIN

PANEL_ON/OFF R42 4.7K1 C151 IRIN 4
4 PANEL_ON/OFF +5V_Standby
10K
3904 33pF
2

+5V_Standby 0.1uF
R182
IR_5V

C194
2K 至少需使用1A DC/DC!!
+5V_Standby L12
U12 SY8087 +1.5V_DDR
3

1 R126 10K 1A Max

+5V_IN LED 4 3 2 1
+12V_Normal 1 VIN SW SPM30202R2/2A
2 IR-in Q112 LED-R 4
B IR_IN 3904 B
2

3 C110 33pF
GND R155 4.7K
+3.3V_Standby R103 3K_1%
R3

R15

LED+ 1 EN FB 5 R1
LED 4 +3.3V_Standby

GND
C116 C117 C118
C115 C106
5 KEY0-in R204 0R R171 1K C105
KEY0 KEY_SAR0 4
200R

200R

6 KEY1-in R205 1.2K 22uF/6.3V 0.1uF

2
R9 KEY1 10uF
10K 0.1uF 22uF/6.3V 22uF/6.3V
7 KEY_POWER R201 510R
PWR ED1 靠近DC-DC R111
R2 2K_1% 靠近DC-DC
3

Q208
8 C184 C150
3904 1R13 10K GND C177 0.1pF IR&KEY Connector
9 0.1uF 0.1uF 0.1uF +5V_Standby
LED-2
2

Q207
3904 1R12 10K STANDBY 9pin/2.0MM
CN103 Vout=0.6V*(1+R1/R2)
R16
2

12V放电电路 4.7K
Q4 把按键板上的MENU上的电阻R4由6.8K改为10K。
2

3906 R14 4.7K R18 20K

1 SAR0
LED2 4 所用IO口
R11 470R
H12 H11 H21 H22 LED_LOGO
3

按键功能 CH+ CH- SOURCE POWER V0L- V0L+ MENU

1

5 9 5 9 5 9 5 9

4 8 4 8 4 8 4 8 电阻值 0欧 2K 6.8K 510欧 1.2K 3.2K 11.2K

H13 H25 H31 H32
3 7 3 7 3 7 3 7 电压值 0V 0.985V 1.951V 0.323V 0.671V 1.337V 2.325V
1

5 9 5 9 5 9 5 9
2 6 2 6 2 6 2 6
NC NC NC NC 4 8 4 8 4 8 4 8

3 7 3 7 3 7 3 7

2 6 2 6 2 6 2 6
A A
NC NC NC NC
1

H26
1

H24
1

H23
1

H20
1

H29
1

H17
1

H19
1

H28
1

H27
1

H30
NC NC NC NC NC NC NC NC NC NC

Test Point & MARK

SN2 SN
1

NC NC

文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

HDMI/MHL VB1/LVDS
All I2S trace need to shield GND HDMI1-ARC HDMI1-ARC
HDMI1-ARC 8 B0M
MST chip B0M 6

DRAM_Power_B
B0P

AVDD_DDR_B
HDMI1 B0P 6

AVDD_PLL_B
AVDD_ETH 3

+1.2V_VDDC
DVDD_DDR
DVDD_NODIE KEY_SAR0
B1M

+1.2V_VDDC
HDMI1_RX2P HDMI1-RX2P B1M 6
C95 HDMI1-RX2P 8 B1P
B1P 6
1uF
TP6 HDMI1_RX2N HDMI1-RX2N
HDMI1-RX2N 8 B2M

PANEL_ON/OFF
HDMI1_RX1P HDMI1-RX1P B2M 6
HDMI1-RX1P 8 B2P

PWR-ON/OFF
B2P 6

power_detect

SPDIF_OUT
UART-RX

HDMI1-ARC
UART-TX
BCKM

HDMI2-HPDIN
HDMI1-HPDIN
HDMI3-SDA

HDMI2-SDA

HDMI1-SDA

GND_FUUSE
HDMI3-SCL

HDMI2-SCL

HDMI1-SCL
HDMI1_RX1N HDMI1-RX1N BCKM 6

VBL_CTRL
T_RESET
3D_EN
HDMI1-RX1N 8 BCKP

AMP-MUTE

LR_SYNC
MDI_RN
MDI_RP
HDMI1_RX0P HDMI1-RX0P

MDI_TN
BCKP 6

KEY0-in

I2C_SDA
MDI_TP

BRI_ADJ
I2C_SCL
1
HDMI1-RX0P 8

LED-R

VID0
HDMI1_RX0N HDMI1-RX0N
HDMI1-RX0N 8 B3M
HDMI1_CLKP HDMI1-CLKP B3M 6
HDMI1-CLKP 8 B3P
B3P 6
B4M
IC底下需要加一个3mm 的hole HDMI1_CLKN HDMI1-CLKN
HDMI1-CLKN 8 B4P
B4M 6
B4P 6
D HDMI1-SCL HDMI1-SCL D

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164
163
HDMI1-SCL 8
HDMI1-SDA HDMI1-SDA
HDMI1-SDA 8 A0M
A0M 6
A0P

PWR-ON/OFF

SD_CDZ

PANEL_ON/OFF

VDDIO_DATA_B

SPDIF_OUT
HDMI1-HPDIN HDMI1-HPDIN

DDCA_DA
DDCA_CK
HOTPLUGB
HOTPLUGA
DDCDC_DA
DDCDC_CK
DDCDB_DA
DDCDB_CK
DDCDA_DA
DDCDA_CK

DVDD_NODIE
TP

RP

DVDD_DDR_B

VDDIO_MCLK_B
VDDIO_CMD_B

DDCR_DA
GND
EPAD
GPIO_PM[5]
GPIO_PM[1]

LED-R
GND_EFUSE

TN

RN
AVDD33_ETH
VDD

AVDD_MOD

GND

I2S_OUT_BCK
I2S_OUT_WS
I2S_OUT_MCK

DDCR_CK
I2S_OUT_SD
VID0
GPIO_PM[8]

VBL_CTRL

LED1
LED0
Power_detect

SAR0

VDD15
VDD15

ARC0

BRI_ADJ

VDD
PWM2

TCON0
TCON1
TCON2
TCON3
A0P 6
HDMI1-HPDIN 8
A1M
HDMI2 A1M 6
A1P
A1P 6
HDMI2_RX2P HDMI2-RX2P
HDMI2-RX2P 8 A2M
A2M 6
A2P
HDMI2_RX2N HDMI2-RX2N A2P 6
HDMI2-RX2N 8
HDMI2_RX1P HDMI2-RX1P
SYSTEM-RST
1 HDMI2-RX1P 8 ACKM
RESET ACKM 6
3 IRIN IRIN 2 162 WIFI_EN ACKP
IRIN TCON4 HDMI2_RX1N HDMI2-RX1N ACKP 6
HDMI-CEC 3 161 HDMI2-RX1N 8
CEC TCON5 HDMI2_RX0P HDMI2-RX0P
HOTPLUGA_HDMI20_5V 4 160 HDMI2-RX0P 8 A3M
HOTPLUGA_HDMI20_5V TCON6 A3M 6
HOTPLUGB_HDMI20_5V 5 159 A3P
HOTPLUGB_HDMI20_5V AVDD15_MOD AVDD15_MOD HDMI2_RX0N HDMI2-RX0N A3P 6
HOTPLUGC_HDMI20_5V 6 158 HDMI2-RX0N 8
HOTPLUGC_HDMI20_5V GND HDMI2_CLKP HDMI2-CLKP
MHL_CABLE_DET 7 157 AVDDL_MOD HDMI2-CLKP 8
MHL_CABLE_DET AVDDL_PREDRV
AVDD_NODIE 8 AVDD_NODIE AVDDL_MOD 156 HDMI2_CLKN HDMI2-CLKN
9 155 HDMI2-CLKN 8 A4M
+3.3V_MHL3 AVDD33_MHL3 LVSYNC A4M 6
HDMI2-CLKN 10 154 A4P
B_RXCN LHSYNC HDMI2-SCL HDMI2-SCL A4P 6
HDMI2-CLKP 11 153 HDMI2-SCL 8
B_RXCP LDE HDMI2-SDA HDMI2-SDA
HDMI2-RX0N 12 152 HDMI2-SDA 8
HDMI2-RX0P B_RX0N LCK B0M I2C-SCL I2C-SCL 3,6,9,10
13 B_RX0P R_ODD[7] / LVB0- 151 HDMI2-HPDIN HDMI2-HPDIN
AVDDL_DVI 14 150 B0P HDMI2-HPDIN 8 I2C-SDA
AVDD11_MHL3 R_ODD[6] / LVB0+ I2C-SDA 3,6,9,10
HDMI2-RX1N 15 149 B1M
HDMI2-RX1P B_RX1N R_ODD[5] / LVB1- B1P
16 B_RX1P R_ODD[4] / LVB1+ 148
HDMI2-RX2N 17 147 B2M LR_SYNC LR_SYNC 6
HDMI2-RX2P B_RX2N R_ODD[3] / LVB2- / Vx1_0- B2P 3D_EN
18 B_RX2P R_ODD[2] / LVB2+ / Vx1_0+ 146
19 145 BCKM HDMI3 HDMI3_RX2P HDMI3-RX2P
LED2 3
HDMI1-CLKN GND R_ODD[1] / LVBCLK- / Vx1_1- BCKP HDMI3-RX2P 8
20 A_RXCN R_ODD[0] / LVBCLK+ / Vx1_1+ 144 HDMI3_RX2N HDMI3-RX2N
HDMI1-CLKP 21 143 B3M HDMI3-RX2N 8
A_RXCP G_ODD[7] / LVB3- / Vx1_2- HDMI3_RX1P HDMI3-RX1P
HDMI1-RX0N 22 142 B3P HDMI3-RX1P 8
A_RX0N G_ODD[6] / LVB3+ / Vx1_2+ HDMI3_RX1N HDMI3-RX1N

AVDDL_DVI
HDMI1-RX0P 23
24
A_RX0P AVDD_MOD 141
140 B4M
AVDD_MOD HDMI3-RX1N 8 Audio Out
HDMI1-RX1N AVDD11_MHL3 G_ODD[5] / LVB4- / Vx1_3- B4P
25 A_RX1N G_ODD[4] / LVB4+ / Vx1_3+ 139 HDMI3_RX0P HDMI3-RX0P
HDMI1-RX1P 26 138 A0M HDMI3-RX0P 8 HP out trace need to shield GND
A_RX1P G_ODD[3] / LVA0- / Vx1_4-
HDMI1-RX2N
HDMI1-RX2P

AVDD5V_MHL
27
28
29
A_RX2N
A_RX2P
GND
MSD6A638JSM G_ODD[2] / LVA0+ / Vx1_4+
G_ODD[1] / LVA1- / Vx1_5-
G_ODD[0] / LVA1+ / Vx1_5+
137
136
135
A0P
A1M
A1P
A2M
HDMI3_RX0N

HDMI3_CLKP
HDMI3-RX0N

HDMI3-CLKP
HDMI3-RX0N 8

HDMI3-CLKP 8
EARPHONE-OUTR

HP and AMP OUT共用

EARPHONE-OUTR 7

30 AVDD_HDMI_5V_PC B_ODD[7] / LVA2- / Vx1_6- 134 HDMI3_CLKN HDMI3-CLKN

HDMI3-HPDIN 31 133 A2P HDMI3-CLKN 8 EARPHONE-OUTL
HOTPLUGC B_ODD[6] / LVA2+ / Vx1_6+ ACKM EARPHONE-OUTL 7
+1.2V_VDDC 32 VDD B_ODD[5] / LVACLK- / Vx1_7- 132 HDMI3-SCL HDMI3-SCL
VGA_HSYNC 33 131 ACKP HDMI3-SCL 8 AV_AUOUTR1
HSYNC0 B_ODD[4] / LVACLK+ / Vx1_7+ HDMI3-SDA HDMI3-SDA AV_AUOUTR1 5
BIN0 34 130 A3M HDMI3-SDA 8 C253
GIN0 BIN0P B_ODD[3] / LVA3- / LOCKn A3P
C 35 GIN0P B_ODD[2] / LVA3+ / HTPDn 129 HDMI3-HPDIN HDMI3-HPDIN C
GIN0N 36 128 A4M HDMI3-HPDIN 8 1nF
RIN0 GIN0M B_ODD[1] / LVA4- A4P
37 RIN0P B_ODD[0] / LVA4+ 127 line out
VGA_VSYNC 38 126 +1.2V_VDDC
VSYNC0 VDD MHL_Cable_DET MHL_Cable_DET
AVDD3P3_MPLL 39 125 VDDP_3318 MHL_Cable_DET 8 AV_AUOUTL1
AVDD3P3_ADC AVDD_EMMC_3318 AVDD5V_MHL AVDD5V_MHL AV_AUOUTL1 5
40 124 AVDD5V_MHL 8
BIN1P GND NAND-REZ C252
41 GIN1P EMMC_IO10 / EMMC_CLK / NAND_REZ 123 HDMI-CEC HDMI-CEC
42 122 NAND-WEZ HDMI-CEC 8
GIN1M EMMC_IO11 / EMMC_RSTn / NAND_WEZ NAND-CEZ HDMI Power detect 1nF
43 RIN1P EMMC_IO9 / EMMC_CMD / NAND_CEZ 121
VCOM0 44 120 NAND-D0
VCOM EMMC_IO6 / EMMC_D[6] / NAND_AD[0] HOTPLUGA_HDMI20_5V HOTPLUGA_HDMI20_5V
CVBS0 45 119 NAND-D1 HOTPLUGA_HDMI20_5V 8
CVBS0 EMMC_IO7 / EMMC_D[7] / NAND_AD[1] HOTPLUGB_HDMI20_5V HOTPLUGB_HDMI20_5V SPDIF_OUT
CVBS_OUT 46 118 NAND-D2 HOTPLUGB_HDMI20_5V 8 SPDIF_OUT 7
CVBS_OUT1 EMMC_IO2 / EMMC_D[2] / NAND_AD[2] C235
LINE_IN_0L 47 117 NAND-D3
LINEIN_L0 EMMC_IO1 / EMMC_D[1] / NAND_AD[3] HOTPLUGC_HDMI20_5V HOTPLUGC_HDMI20_5V SPDIF_OUT
LINE_IN_0R 48 116 NAND-D4 HOTPLUGC_HDMI20_5V 8
LINEIN_R0 EMMC_IO0 / EMMC_D[0] / NAND_AD[4] NC/33pF
AUVRM 49 115 NAND-D5
AUVAG VRM_ADC EMMC_IO3 / EMMC_D[3] / NAND_AD[5] NAND-D6 Close to MSTAR IC
50 VAG EMMC_IO4 / EMMC_D[4] / NAND_AD[6] 114
51 113 NAND-D7
LINEIN_L4 EMMC_IO5 / EMMC_D[5] / NAND_AD[7]

SD_CLK / NAND_CEZ1
52 LINEIN_R4 VDD_CPU 112 +1.2V_VDDC_CPU

SD_D0 / NAND_RBZ
AV_AUOUTL1 53 111
EARPHONE_OUTR
EARPHONE_OUTL

LINEOUT_L3 SD_D3 / NAND_WPZ

AVDD3P3_DMPLL

AVDD33_MHL3_C

AVDD11_MHL3_C

AV_AUOUTR1 54 110 Source Input

AVDD3P3_DADC

VDDIO_MCLK_A

VDDIO_DATA_A

LINEOUT_R3 SD_D2 / NAND_ALE

VDDIO_CMD_A

109
DVDD_DDR_A

EMMC/NAND/SD卡
AVDD_EAR33

SD_D1 / NAND_CLE
AVDD_PLL_A
XTAL_OUT

TS0_SYNC
VDD_CPU
VDD_CPU

VDD_CPU
VDD_CPU
TS0_CLK

TS0_VLD

SD_CMD
C_RXOP
C_RXCN
C_RXCP
XTAL_IN

C_RX0N

C_RX1N

C_RX2N
C_RX1P

C_RX2P

TS0_D0
GPIO87
GPIO82
GPIO81

1K
DM_P0

DM_P1

DM_P2

NAND-REZ
VDD15
VDD15
DP_P0

DP_P1

DP_P2

1K
IFAGC

VDDP
2T VGA NAND-REZ 6
VIFM

GND

GND

GND
GND
VIFP

NAND-CEZ
VDD

VDD

2T NAND-CEZ 6
3C 3C VGA_HSYNC NAND-WEZ
VGA_HSYNC 7 NAND-WEZ 6
VGA_VSYNC
U1 MSD6A638JSM VGA_VSYNC 7
RIN0 C203 47nF R286 33R NAND-D0
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108

VGA-Rin 7 NAND-D0 6
BIN0 C204 47nF R287 33R NAND-D1
VGA-Bin 7 NAND-D1 6
GIN0 C205 47nF R288 33R NAND-D2
VGA-Gin 7 NAND-D2 6
GIN0N C206 47nF R289 68R NAND-D3
NAND-D3 6
EARPHONE-OUTR

Dm_Reset
EARPHONE-OUTL

NAND-D4
NAND-D4 6
HDMI3-CLKN

HDMI3-RX0N

HDMI3-RX1N

HDMI3-RX2N
HDMI3-CLKP

HDMI3-RX0P

HDMI3-RX1P

HDMI3-RX2P

NAND-D5
TS_MIVALID
TS_MISYNC

NAND-D5 6
NAND-D6
TS_MICLK

Dm_Reset
USB0_D+

USB1_D+

USB2_D+

NAND-D6 6
TS_MDI0
USB0_D-

USB1_D-

USB2_D-

NAND-D7
IF_AGC

XTALO

NAND-D7 6
DIFP+

XTALI
DIFM-

6 NAND-D[7:0]
NAND-D7
AV IN NAND-D6
+3.3V_PLL
DRAM_Power_A
+3.3V_MHL3_C
AVDD_AU33

+3.3V_Normal
AVDD3P3_DMPLL

+1.2V_VDDC

+1.2V_VDDC
AVDDL_DVI
AVDD_DADC

AVDD_DDR_A

DVDD_DDR

+1.2V_VDDC_CPU

NAND-D5
CVBS0 C228 47nF R241 33R AV1_IN NAND-D4
AV1_IN 7
VCOM0 C229 47nF R242 68R NAND-D3
B NAND-D2 B
NAND-D1
NAND-D0
CVBS OUT TP7
CVBS_OUT 1

Audio input TS_MICLK

TS_MIVALID TS_MICLK 10
TS_MIVALID 10
LINE_IN_0R C220 2.2uF TS_MISYNC
HD_RIN 7 TS_MISYNC 10
CHIP_CONFIG[2:0] +3.3V_Normal LINE_IN_0L C223 2.2uF
HD_LIN 7
{PANEL_ON/OFF,LED-R,VBL_CTRL}
+5V_Standby
IIC TS_MDI0 TS_MDI0 10
TS
Value Mode Description
3'b000 SB51_ExtSPI 51 boot from SPI C285 R194 R195
3'b001 HEMCU_ExtSPI ARM boot from SPI 2.2uF 根据实际电源 4.7K 4.7K
3'b010 HEMCU_ROM_EMMC ARM boot from ROM; outer storage is eMMC 上电时序调整
USB/LAN PWR-ON/OFF
3'b011 HEMCU_ROM_NAND ARM boot from ROM; outer storage is NAND PWR-ON/OFF 3
R272 1K System-RST
3'b100 DBUS for test only
USB0_D-
3'b101 HEMCU_ExSPI_AUT I2C-SCL R196 100R I2C_SCL USB0_D- 7 AMP-MUTE
3,6,9,10 I2C-SCL USB0_D+ USB AMP-MUTE 7
3

3'b110 HEMCU_ROM_EMMC_AUT USB0_D+ 7

R269 D202 I2C-SDA R197 100R I2C_SDA
3'b111 HEMCU_ROM_NAND_AUT 3,6,9,10 I2C-SDA USB1_D-
100K USB1_D- 7 PANEL_ON/OFF
USB1_D+ PANEL_ON/OFF 3
USB2_D- USB1_D+ 7
+3.3V_Normal J104
Chip Configuration Selection(Default EMMC 010) BAV99
USB2_D+ USB2_D-
USB2_D+
7
7 BRI_ADJ
BRI_ADJ 3
1

+3.3V_Standby 1
RESET I2C-SCL
I2C-SDA
2
3
MDI_TP
MDI_TN
MDI_TP 8 VBL_CTRL
LAN VBL_CTRL 3
4 MDI_TN 8
MDI_RP WIFI_EN
5 MDI_RP 8 WIFI_EN 7
MDI_RN
R186 4.7K PANEL_ON/OFF MDI_RN 8
CON5-2.0 R2 100R
R185 4.7K
LED-R
Chip Audio to GND of L/C T_RESET
TUNER_RESET 9
LED-R 3 R10 100R
Dm_Reset
R200 4.7K VBL_CTRL Demod_RST 10 GPIO控制
IC Configuration Selection AUVRM Detect EMMC/NAND Flash Power
AUVAG +12V_Normal
Close to MST IC
C199 C200 AGC 1 VID0
+5V_Standby C1 0.1uF 10uF/6.3V R230 R232 10K with width trace TP47
A +3.3V_TU A
1K/NC IF
C281
IF_AGC R236 0R IF-AGC IF-AGC 9,10
XTALO 33pF
R393 R392 C262 TP47 请靠近U15 附近放
R233 22nF C192
1

Y201 VID0 预留VDDC 控制电压使用

4.7K 4.7K 10K/NC DIFP+ 0.1uF DIFP
3 Power_Detect,Normal work V=1V　 DIFP 9
Crystal L20
120Ω/500mA power_detect C193
24MHZ
UART_TX R390 100R UART-TX C2 L0402 DIFM- DIFM
2

7 UART_TX DIFM 9
7 UART_RX
UART_RX R391 100R UART-RX
XTALI R229 IF /AGC 0.1uF
C284 33pF 1K/NC
DEBUG_UART NOTE:晶体频偏需要小于30PPM Close to MST IC with width trace
(L20需要选择阻值小Bead,不可以选择0R
或500R的Bead) 文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

Core power (元件需要尽量靠近IC;由于IC贴散热片 限高原因，所以IC的滤波电容请选择0603或0402封装，勿选用0805封装)

Star connection from VDDC DC-DC Heat Sink

L211 near DC-DC,C296 near IC Close to MTS IC

S1
+1.2V_VDDC 120mil
+1.2V_VDDC AVDDL_MOD 1
25mil To reduce ripple,please mount cap on the Board bottom and near IC ball
D D
L211 120R/500mA FOR VB1
C499 C501 C502 C500 C503 C504 C506 C505 C498 C507 2
C295 C296 C294
10uF/6.3V 0.1uF 0.1uF 0.1uF 0.1uF 2.2uF 10uF/6.3V 0.1uF 0.1uF 0.1uF Heat-sink45X45mm
10uF/6.3V 1uF 0.1uF

Close to MTS IC
near L211

DVDD_DDR

C213/C211/C212/C214 close to the IC ball ;C243/C237 加112 pin 底部

25mil C297 C298
+1.2V_VDDC_CPU 80mil
2.2uF 0.1uF Close to MTS IC

AVDDL_DVI C239 C236 C234 C237 C103 C142 C154 C155 C209 C240 C226 C233 C243
2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 2.2uF 0.1uF/bot
30mil 10uF/6.3V 10uF/6.3V10uF/6.3V/bot 10uF/6.3V

C224 C225 C230

0.1uF 0.1uF 0.1uF

30mil Close to CHIP Close to CHIP

MIU_A side MIU_B side
AVDD15_MOD
+1.5V_DDR AVDD_DDR_A DRAM_Power_A AVDD_DDR_B DRAM_Power_B
40mil Close to MTS IC FOR VB1
C Close to MTS IC C
L212 120R/500mA
+3.3V_Normal
AVDD_MOD
C173 C210 C174 C175 C176 C172 C167 C171 C170 C168
1uF 2.2uF 0.1uF 0.1uF 2.2uF 0.1uF 0.1uF 0.1uF
R234 0R 10uF/6.3V 10uF/6.3V

C190 C187 C188 C189

0.1uF 0.1uF 0.1uF
10uF/6.3V

如果做TTL输出，需要将AVDD_MOD电用0R 隔开

+3.3V_Standby AVDD3.3V_ST
30mil
25mil
Close to MTS IC

+3.3V_Normal +3.3V_MHL3 +3.3V_MHL3_C +3.3V_PLL AVDD_PLL_B

C181 C180 C182 C183
10uF/6.3V 0.1uF 0.1uF 0.1uF

C94 C186 C185 C191

0.1uF 0.1uF 0.1uF 0.1uF
15mil
15mil AVDD3.3V_ST AVDD3P3_DMPLL AVDD3.3V_ST
15mil AVDD3P3_MPLL
AVDD3.3V_ST AVDD_AU33

L32 1000R/500mA L42 1000R/500mA

L30 120R/500mA L0402 L0402
L0402 C198 C241
C179 0.1uF 0.1uF
0.1uF
B B
25mil
+1.8V_Normal VDDP_3318

C404 10mA,15mil 40mA,15mil 40mA,15mil

C405
0.1uF 1uF AVDD_NODIE AVDD_ETH AVDD_DADC

A A

文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

VB1 For CMI LG Sansung &LVDS

CMI/LG/BOE 4K2K@60HZ
Panel_VCC Panel_VCC_VB1 VBY0N VBY0N_C Net B0M
B0M 4
VBY0P VBY0P_C B0P

52
R1 0R B0P 4
10uF/16V J455 VBY1N VBY1N_C B1M

FI-RE51S-HF
G3
B1M 4
C128 55 B1P
G1 VBY1P VBY1P_C B1P 4
1 51 B2M
51 B2M 4
3 BL-ADJUST R442 0R/NC PWM IN# 2 50 B2P
50 B2P 4
3 49 VBY2N VBY2N_C BCKM
PWM OUT# 49 BCKM 4
3 PWM OUT 4 48 VBY2P VBY2P_C BCKP
Bom可以用0R电阻，方便调试LVDS和VBY R444 0R/NC 5 48 BCKP 4
D
47 47 D
互相更改(VB1使用0.1uf 需要LVDS/TCON 该部分需要上件， 配奇美42寸屏时，PIN12需接地，R416上件。 6 46 56 VBY3N VBY3N_C
,lvds使用0R，lvds时RP452要上件） VBY1时需要NC，否则影响VBY信号 7 46 G6 B3M
45 45 VBY3P VBY3P_C B3M 4
靠近VBY 座子放置 配LCxxxEGY 4K屏(G+屏)时，R441上件。 Note1 8 44 B3P
配LCxxxEQJ 4K屏(RGB屏)时，R440上件。 44 B3P 4
Note3 9 43 B4M
43 B4M 4
+3.3V_Normal R441 10K/LG（G+）/CMI 10 42 B4P
42 B4P 4
B0M RP452 P32 RXO0- Note2 11 41 VBY4N VBY4N_C

8 6 4 2
7 5 3 1
B0P 3D_EN_C RXO0+ Note4 R440 10K/LG（RGB） R416 0R/CMI&BOE 12 41 VBY4P VBY4P_C
40 40
B1M AGP RXO1- 13 39 A0M
39 A0M 4
B1P P28 RXO1+ +3.3V_Normal R439 10K 14 38 57 VBY5N VBY5N_C A0P
38 G7 A0P 4
NC/0RX4 3D_LR_in R417 0R/NC Data_fromat_0 15 37 37 VBY5P VBY5P_C
LR_SYNC R418 NC Data_fromat_1 16 36 A1M
36 A1M 4
17 35 A1P
0.1uF 35 A1P 4
B2M C464 VBY0N VBY0N_C RP453 RXO2- VB1_I2C-SDA 18 34

8 6 4 2
7 5 3 1
B2P C465 0.1uF VBY0P VBY0P_C RXO2+ 配LG 4K屏时，LD_EN需上拉，上R437。 VB1_I2C-SCL 19 34 VBY6N VBY6N_C A2M
33 33 A2M 4
BCKM C466 0.1uF VBY1N VBY1N_C RXOC- 配奇美屏时，需下拉，上R436。 P32 20 32 VBY6P VBY6P_C A2P
0.1uF 32 A2P 4
BCKP C467 VBY1P VBY1P_C RXOC+ Note5 R436 10K/CMI 3D_EN_C 21 31 58
NC/0RX4 3D_LR_in R421 0R/NC LD_EN Note6 22 31 G8 VBY7N VBY7N_C ACKM
30 30 ACKM 4
LR_SYNC R422 NC AGP 23 29 ACKP
29 VBY7P VBY7P_C ACKP 4
R423 0R/BOE P28 24 28
B3M C468 0.1uF VBY2N VBY2N_C RP454 RXO3- VBYHTPDn 25 28 A3M
27

8 6 4 2
7 5 3 1
0.1uF 27 A3M 4
B3P C469 VBY2P VBY2P_C RXO3+ VBYLOCKn 26 26 A3P
B4M C470 0.1uF VBY3N VBY3N_C RXO4- +3.3V_Normal R437 10K/LG 当配BOE屏时，R423需贴。 27 25
26 A3P 4
B4P C471 0.1uF VBY3P VBY3P_C RXO4+ VBY0N_C 28 25
24 24
NC/0RX4 VBY0P_C 29 23
30 23 A4M
22 22 A4M 4
VBY1N_C 31 21 A4P
21 A4P 4
VBY1P_C 32 20 59
A0M C472 0.1uF VBY4N VBY4N_C RP455 NC/0RX4 RXE0- 33 20 G9 VB1_I2C-SCL R424 33R I2C-SCL
19

8 6 4 2 8 6 4 2
7 5 3 1 7 5 3 1
0.1uF 19 I2C-SCL 3,4,9,10
A0P C473 VBY4P VBY4P_C RXE0+ VBY2N_C 34 18 VB1_I2C-SDA R425 33R I2C-SDA
0.1uF 18 I2C-SDA 3,4,9,10
A1M C474 VBY5N VBY5N_C RXE1- VBY2P_C 35 17
A1P C475 0.1uF VBY5P VBY5P_C RXE1+ 36 17
16 16
A2M C476 0.1uF VBY6N VBY6N_C RP456 RXE2- VBY3N_C 37 15 LR_SYNC
0.1uF 15 LR_SYNC 4
A2P C477 VBY6P VBY6P_C RXE2+ VBY3P_C 38 14
ACKM C478 0.1uF VBY7N VBY7N_C RXEC- 39 14
13 13 G10 60
ACKP C479 0.1uF VBY7P VBY7P_C RXEC+ VBY4N_C 40 12
NC/0RX4 VBY4P_C 41 12
11 11
42 10
VBY5N_C 43 10
C 9 9
C
A3M R493 NC/0R RXE3- VBY5P_C 44 8
A3P R494 NC/0R RXE3+ 8
7 7
VBY6N_C 46 6 61 Panel_VCC
+3.3V_Normal VBY6P_C 47 6 G11
5 5 CN401
48 4 4 40PIN/2.0mm/nc
R474 10K VBY7N_C 49 3
R475 10K VBY7P_C 3 1 2
50 2 GND VCC
2 3 4
51 1 GND VCC
R472 0R VBYLOCKn 1 5 6
NC VCC
R473 0R VBYHTPDn R452 0R 7 GND VCC 8
54 G2 9 GND VCC 10

G4
PWM OUT 11 12 R448 0R/NC BL-ADJUST
R450 0R/NC GND P_PWM
13 GND GND 14
RXE4- 15 16 RXE4+

53
A4M R496 NC/0R RXE4- E4- E4+
RXE3- 17 18 RXE3+
A4P R497 NC/0R RXE4+ E3- E3+
RXEC- 19 20 RXEC+
RXE2- EC- EC+ RXE2+
21 E2- E2+ 22
Note1: Pin44（Panel端为Pin8)华星Panel为地，CMI,LG,Susung 为电源，为了防止实验烧坏单板，NC. RXE1- 23 24 RXE1+
RXE0- E1- E1+ RXE0+
Note2：Pin38（Panel端为Pin14) LG panel 需要NC,CMI，Susuang需要接地，为兼容NC 25 E0- E0+ 26
Note3：Pin43（Panel端为Pin9)，PIN32（Panel端为Pin20)，需要NC，不支持4V4O模式 RXO4- 27 28 RXO4+
RXO3- O4- O4+ RXO3+
Note4：Pin37（Panel端为Pin15)，Pin36（Panel端为Pin16) LG panel为Data Format，设置为“01”，2divison， 29 O3- O3+ 30
CMI 为眼睛同步的输入输出，目前设置为NC RXOC- 31 32 RXOC+
RXO2- OC- OC+ RXO2+
Note5：Pin30（Panel端为Pin22)，Pin29（Panel端为Pin23)Samsung 为眼睛同步的输入输出，目前设置为NC, 33 O2- O2+ 34
Pin30（Panel端为Pin22) 为CMI Local dimming 设置，设置为disable RXO1- 35 36 RXO1+
RXO0- O1- O1+ RXO0+
Note6：Pin31（Panel端为Pin21) 为sansung pane 3D enable，目前NC. 37 38
Note7：Pin35（Panel端为Pin17) 为CMI pane 3D enable，目前NC. O0- O0+
39 GND GND 40
以上接法主要考虑开发过程，如果客户做MP，请按panel实际使用处理

LVDS

B
iNAND FLASH(EMMC) Note:DS PIN(R5 pin) Need to NC
B

U42
EMMC-CLK W6 J3 EMMC_D4 EMMC_IO_POWER
C1109 EMMC-CMD CLK D4 EMMC_D5
W5 CMD D5 J4
NC/33pF EMMC_D0 H3 J5 EMMC_D6
EMMC_D1 D0 D6 EMMC_D7
H4 D1 D7 J6
EMMC_D2 H5 R5 DQS R1042 NC/10K EMMC-CMD R1039 NC/10K
EMMC_D3 D2 DS EMMC-RESET EMMC-RESET R1040 NC/10K
J2 D3 RESET U5
EMMC_IO_POWER EMMC_NAND_POWER
K6 VDD_IF VDD M6
W4 VDD_IF VDD N5
Y4 T10 EMMC-CLK R1101 33R NAND-REZ +1.8V_Normal EMMC_IO_POWER EMMC_NAND_POWER +3.3V_Normal
VDD_IF VDD NAND-REZ 4
AA3 U9 EMMC-CMD NAND-CEZ
VDD_IF VDD NAND-CEZ 4
AA5 H6 EMMC-RESET NAND-WEZ
VDD_IF VSS NAND-WEZ 4
VSS M7
K4 P5 EMMC_D6 RP1101 22RX4 NAND-D0
VSS VSS NAND-D0 4
Y2 R10 EMMC_D7 NAND-D1
1 3 5 7

2 4 6 8

VSS VSS NAND-D1 4 C403 C399 C398 C397 C290 C402

Y5 U8 EMMC_D2 NAND-D2
VSS VSS NAND-D2 4 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 2.2uF
AA4 T5 EMMC_D1 NAND-D3
VSS VSS NAND-D3 4
AA6 K2 EMMC_REG
VSS CREG/VDDi C333 EMMC_D0 NAND-D4
NAND-D4 4
eMMC 2.2uF EMMC_D3 NAND-D5
1 3 5 7

2 4 6 8

NAND-D5 4
EMMC_D4 NAND-D6 NAND and EMMC power
NAND-D6 4
公板 4G/8G EMMC 5.0 EMMC_D5 NAND-D7
NAND-D7 4
RP1102 22RX4

NAND-D[7:0]
NAND-D[7:0] 4

A A

文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

USB ESD分布电容要求<2pF
CON501
CN318 USB_4P

16
VGA-Rin VCC 1 5V_USB1
11 1 USB0_D-
VGA-Bin D- 2 USB0_D- 4
6 VGA-Bin 4 USB0_D+
VGA-Gin VGA-Gin D+ 3 USB0_D+ 4
12 2 VGA-Gin 4
VGA-Rin GND 4
7 VGA-Rin 4
13 3 VGA-Bin
D804 D803 SHIELD 5
8
6

1
14 4 SHIELD
9 D801 R501 R502 R503
15 5 NC 75R 75R 75R
VCC 1 5V_USB2
10 NC NC USB1_D-
2

2
D- USB1_D+ USB1_D- 4
VGA Close to Mstar IC D+ 3 USB1_D+ 4
4

17
GND
D D
SHIELD 5
DDC_SCL_D SHIELD 6
AV1_IN 4 UART_RX 4
DDC_SDA_D UART_TX 4 CN319 USB_4P
AV1_IN

HD-AuLinR406 10K HD_LIN 4 100R R504 VGA_VSYNC 4

100R R505 1 5V_USB_WIFI
VGA_HSYNC 4 2 R17 100R/NC
HD-AuRinR407 10K HD_RIN 4 D811 D810 D809 D808 WIFI_EN 4
3 USB2_D-

2
USB2_D+ USB2_D- 4
R507 R508 4 USB2_D+ 4
D825 D824 D819 5
10K 10K
2

2
R405
CN307 R408 R409
75R NC NC NC NC D603D605 D606D607 D608D609

1
12K 12K CN207

2
NC NC NC Video CON5-2.0mm
1

NC NC NC NC NC NC

1
Keep A_GND trace with Signal. Coaxial
USB INTERFACE
Keep Spacing for L/R cahnnel. CN314
R20 0R
YPBPR & AV IN Keep trace width(12mil+). 1SPDIFOUT
2
R556 100R SPDIF_OUT 5
+5V_Normal
ED8
R557
100R 0R/0805 L403
NC/1pF 5V_USB_WIFI
R21
0R/nc
C603

SPDIF 1 L1 FB/NC C619 10uF

VCC 2 +5V_Normal 0.1uF
3 C1
GND C2 6V/1.1A L404
0.1uF/nc 2.2uF/nc 5V_USB1
CN315 SPDIF/NC C604

C618 10uF
0.1uF
C Coaxial /OPTICAL OUT 6V/1.1A L405
C

5V_USB2
C605

MUTE C617 10uF

AMP_12V
+12V_NORMAL
AMP_12V
0.1uF USB POWER
3

AMP_12V
1 Q27 R282
3904 100R L207
2

R280 10k 0805_BEAD

4 AMP-MUTE R273 D207 L213
R291 100K C251
L:ON 1N4148 C208 C331 C324
R292 10K 0805_BEAD
H:MUTE R285 470uF/16V
4.7k 10K 1nF 100nF 10uF/16V

L:SHUTDOWN
1

C304
R270
28

27

D206 1N4148 Q209 U203

+3.3V_Standby 3 2 100uF/16V 100k L16 600R@100MHz
3906 SD 1
PVCC

PVCC

SD
C332 0.22uF R263 C201 1nF
2 FAULT BSPL 26
C330 0.47uF 47R CN210
LIN_P OUTPL R284
4 EARPHONE-OUTL 3 LINP OUTPL 25 LOUT+
C212 330pF 10R 2
LIN_N 4 24
LINN PGND LOUT-
C325 0.47uF C213 330pF R290 1
5 23 OUTNL R254
LIMRATE OUTNL 10R
C305 0.22uF 47R C197 1nF
6 GAIN BSNL 22
L11 600R@100MHz
7 SSCTRL 功放放大倍数调节
L17 600R@100MHz
R283 33K R281 68K R266 33K 8 LIMTHRES C307 0.22uF GAIN1(PIN6) GAIN0(PIN5) AMP GAIN(db)
BSNR 21
B R298 68K 9 R264 ROUT- B
GVDD OUTNR R260
C158 20 47R C202 1nF
OUTNR CN202
10 C195 330pF 10R 0 0 20
AGND
1uF 19 1
PGND -
11 RINN OUTPR C196 330pF R262 R265
C250 0.47uF RIN_N OUTPR 18 2 GND
12 10R 47R C207 1nF 0 1 26
RINP C306 0.22uF ROUT+ 3
RIN_P 17
BSPR L26 +
4 EARPHONE-OUTR 13 1SPW 600R@100MHz
PVCC
PVCC

C249 0.47uF C247

GND

3Pin/2.0mm 1 0 32
14 AVCC
1uF/16V TPA3140D2 1 1 36
29

15
16

AMP_12V

R268 10R

C211 C248
1nF 100nF
AUDIO AMP

C328
1
3
4.7nF C221
FB1 600R
E_AMP-L 2.2uF
AV_AUOUTL1 5
A
4 FB2 600R A
2 E_AMP-R 2.2uF
AV_AUOUTR1 5
5
CN10 PHONEJACK C222
C327

4.7nF

AUDIO-OUT 文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

HDMI1(ARC)
CON801
HDMI1/5V
1 HDMI1_RX2P HDMI1/5V
DATA2+ ED4 ESD/NC
DATA2 SHIELD 2
3 HDMI1_RX2N HDMI1_RX2P HDMI1-RX2P HDMI1-RX2P 1 10 HDMI1-RX2P
DATA2- HDMI1-RX2P 4 1 10
4 HDMI1_RX1P HDMI1-RX2N 2 9 HDMI1-RX2N R802
DATA1+ 2 9 R803 R804
5 HDMI1_RX2N HDMI1-RX2N HDMI1-RX1P 4 7 HDMI1-RX1P R805
DATA1 SHIELD HDMI1-RX2N 4 4 7
6 HDMI1_RX1N HDMI1_RX1P HDMI1-RX1P HDMI1-RX1N 5 6 HDMI1-RX1N
DAT1A- HDMI1-RX1P 4 5 6
7 HDMI1_RX0P 3 8
DATA0+ HDMI1_RX1N HDMI1-RX1N GNDGND 1K
DATA0 SHIELD 8 HDMI1-RX1N 4
9 HDMI1_RX0N HDMI1_RX0P HDMI1-RX0P HDMI1-HPD
DATA0- HDMI1-RX0P 4 HDMI1-DDC-SCL 10K 10K R801 22R
10 HDMI1_CLKP ED5 ESD/NC 10K HDMI1-SCL 4
CLK+ HDMI1-DDC-SDA R806 22R

3
11 HDMI1_RX0N HDMI1-RX0N Q801 HDMI1-SDA 4
CLK SHIELD HDMI1-RX0N 4 HDMI1-RX0P 1 10 HDMI1-RX0P
12 HDMI1_CLKN HDMI1_CLKP HDMI1-CLKP 1 10 1R807 10K HDMI1-HPDIN
CLK- HDMI1-CLKP 4 HDMI1-RX0N 2 9 HDMI1-RX0N HDMI1-HPDIN 4
20 13 CEC 2 9 HDMI1-DDC-SCL
D GND1 CEC HDMI1-CLKP 4 7 HDMI1-CLKP D
21 14 HDMI1_ARC HDMI1_CLKN HDMI1-CLKN 4 7 3904 HDMI1-DDC-SDA
GND2 NC HDMI1-CLKN 4 HDMI1-CLKN 5 6 HDMI1-CLKN

2
22 15 HDMI1-DDC-SCL 5 6
GND3 SCL HDMI1-DDC-SDA 3 8
23 16 GNDGND

2
GND3 SDA D813

2
17 D800D802
DDC/CEC GND
+5V POWER 18 HDMI1/5V
19 HDMI1-HPD Note:ESD器件靠近端子放
HOT PLUG ESD
ESD ESD

1
HDMI/90D

HDMI2
HDMI2/5V
HDMI2/5V
CON802
1 HDMI2_RX2P ED6 ESD/NC R808
DATA2+ HDMI2_RX2P HDMI2-RX2P R809
2 HDMI2-RX2P
DATA2 SHIELD HDMI2_RX2N
HDMI2-RX2P 4 1 1 10 10HDMI2-RX2P R810 R811
3 HDMI2-RX2N
DATA2- HDMI2_RX1P HDMI2_RX2N HDMI2-RX2N 2 2 9 9 HDMI2-RX2N
4 HDMI2-RX1P
DATA1+ HDMI2_RX1P HDMI2-RX1P
HDMI2-RX2N 4 4 4 7 7 HDMI2-RX1P 1K
5 HDMI2-RX1N
DATA1 SHIELD HDMI2_RX1N
HDMI2-RX1P 4 5 5 6 6 HDMI2-RX1N HDMI2-HPD
DAT1A- 6
HDMI2_RX0P HDMI2_RX1N HDMI2-RX1N 3 GNDGND 8 10K
DATA0+ 7 HDMI2-RX1N 4

3
8 HDMI2_RX0P HDMI2-RX0P Q802 HDMI2-DDC-SCL 10K 10K R812 22R
DATA0 SHIELD HDMI2-RX0P 4 HDMI2-SCL 4
9 HDMI2_RX0N 1R814 10K HDMI2-HPDIN HDMI2-DDC-SDA R813 22R
DATA0- ED7 ESD/NC HDMI2-HPDIN 4 HDMI2-SDA 4
10 HDMI2_CLKP HDMI2_RX0N HDMI2-RX0N
CLK+ HDMI2-RX0N 4
11 HDMI2_CLKP HDMI2-CLKP HDMI2-RX0P 1 10HDMI2-RX0P 3904
CLK SHIELD HDMI2-CLKP 4 1 10

2
12 HDMI2_CLKN HDMI2-RX0N 2 9 HDMI2-RX0N HDMI2-DDC-SCL
CLK- CEC HDMI2_CLKN HDMI2-CLKN HDMI2-CLKP 2 9
20 GND1 CEC 13 HDMI2-CLKN 4 4 4 7 7 HDMI2-CLKP HDMI2-DDC-SDA
21 14 HDMI2-CLKN 5 6 HDMI2-CLKN
GND2 NC HDMI2-DDC-SCL 5 6
22 GND3 SCL 15 3 GNDGND 8

2
23 16 HDMI2-DDC-SDA D820D821
GND3 SDA
DDC/CEC GND 17
18 Note:ESD器件靠近端子放
+5V POWER HDMI2/5V
19 HDMI2-HPD ESD ESD
HOT PLUG

1
C C
HDMI/90D

HDMI3(MHL)
+5V_Standby
CON803
1 HDMI3_RX2P ED2 ESD/NC
DATA2+ MHL_CD_SENSE
2 HDMI3-RX2P
DATA2 SHIELD HDMI3_RX2N HDMI3_RX2P HDMI3-RX2P 1 1 10 10HDMI3-RX2P
3 HDMI3-RX2N
DATA2- HDMI3_RX1P HDMI3_RX2N HDMI3-RX2N
HDMI3-RX2P 4 2 2 9 9 HDMI3-RX2N R816 R817
4 HDMI3-RX1P
DATA1+ HDMI3_RX1P HDMI3-RX1P
HDMI3-RX2N 4 4 4 7 7 HDMI3-RX1P
5 HDMI3-RX1N
DATA1 SHIELD HDMI3_RX1N HDMI3_RX1N HDMI3-RX1N
HDMI3-RX1P 4 5 5 6 6 HDMI3-RX1N HDMI3_RX0P#
DAT1A- 6 HDMI3-RX1N 4
HDMI3_RX0P# R5 5R1 3 GNDGND 8
DATA0+ 7 HDMI3_RX0N#
8 10K 10K
DATA0 SHIELD HDMI3_RX0N# R7 5R1 HDMI3_RX0P HDMI3-RX0P HDMI3-DDC-SCL R819 22R
DATA0- 9 HDMI3-RX0P 4 ED3 ESD/NC HDMI3-SCL 4

2
10 HDMI3_CLKP HDMI3-DDC-SDA R820 22R D807 D806
CLK+ HDMI3-SDA 4
11 HDMI3_RX0N HDMI3-RX0N HDMI3-CLKP 1 10HDMI3-CLKP
CLK SHIELD HDMI3-RX0N 4 1 10
12 HDMI3_CLKN HDMI3-CLKN 2 9 HDMI3-CLKN
CLK- 2 9 HDMI3-HPD R855 22R
20 13 CEC HDMI3_CLKP HDMI3-CLKP HDMI3-DDC-SCL 4 7 HDMI3-DDC-SCL HDMI3-HPDIN 4 ESD ESD
GND1 CEC HDMI3-CLKP 4 4 7

1
21 14 HDMI3_CLKN HDMI3-CLKN HDMI3-DDC-SDA 5 6 HDMI3-DDC-SDA
GND2 NC HDMI3-CLKN 4 5 6
22 15 HDMI3-DDC-SCL 3 8

2
GND3 SCL GNDGND D805
23 16 HDMI3-DDC-SDA
GND3 SDA
DDC/CEC GND 17
+5V POWER 18 HDMI3/5V ESD
19 HDMI3-HPD

1
HOT PLUG Note:ESD diode(D805) to GND(VBD <=10V, Cap loading <=0.5pF)
HDMI/90D

HDMI1_ARC C801 HDMI1-ARC HDMI1/5V

HDMI1-ARC 4 HDMI3/5V HDMI2/5V
1uF +5V_Standby HDMI3/5V
R849 100R +5V_Standby
B MHL_CD_SENSE U702 SGM2588E B
MHL_Cable_DET 4
Q580
5 1
1

NC/2N7002 IN VOUT R443

R848 R451
C508 C509 R449
CEC R822 100R 3 2 C802 HDMI3/5V
HDMI-CEC 4 300K 2
D822 47nF 10uF/6.3V GND 10uF/6.3V +5V_Normal 100R
100R
R851 10R 100R
2 1 4 AVDD5V_MHL
R840 0R CEC & ARC 4 MHL_Cable_DET 4 EN /OC 3 R763
HOTPLUGA_HDMI20_5V 4 HOTPLUGB_HDMI20_5V 4 HOTPLUGC_HDMI20_5V 4
NC/10K
ESD
R445 R446 R447
MHL NC
NC NC

HDMI DETECT
HST-0041 R657 75R/1%
U651
MDI_TP CN309
4 MDI_TP 1 TD+
TX+ 16 1 TD+
2 TCT NC 7
TX- 14 2 TD-
MDI_TN 3
4 MDI_TN TD- R660 75R/1%
4 NC1 TCM 15 4 TDCT CH_GND 8
NC4 13
5 R662 75R/1% 5
MDI_RP NC2 RDCT
4 MDI_RP 6 RD+ NC3 12 NC1 13
RX+ 11 3 RD+ NC2 14
7 RCT
RX- 9 6 RD-
MDI_RN 8
4 MDI_RN RD- R664 75R/1%
TCM- 10 12 GND1 GND2 11
C653 C654
A SMDTR16P CB652 A
0.1uF 0.1uF 10 GND3 GND4 9
1nF/2KV

LAN RJ45-W

文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

+3.3V_TU DIF IN&OUT TUNER_RESET 4

TUNER POWER

VDD_1.8V_OUTPUT
4 TUNER_RESET kick back filter:220nH/47pF 改善ATV水波纹！ +5V_Normal_T
Y001 +3.3V_TU_T
TU4 AS1084-3.3V
R907 CON3

16
选用 Addr 0xC0 1M
IF-IN- R905 0R DIFM DIFM 4 11 1 I2C-SDA 3,4,6,10
3 VIN VOUT
VOUT
2
4
C932 C910 16.000MHz C915

GND
Part Num BALUN NO BALUN NC/47pF 6 I2C-SCL 3,4,6,10 TC56 TC57 TC60 TC61
C919 12 2 DIFP 4 TC62
0.1uF
L908 NC 18nH NC/10pF 7 10uF/6.3V 2.2uF 0.1uF
+3.3V_TU 13 3 10uF/6.3V

1
0.47uF 10nF DIFM 4
R909 0R NC IF-IN+ R904 0R DIFP 8
DIFP 4 14 4 R917 0R IF-AGC 4,10
C916 9

25
26
27
28
29
24

23

22

21

20

19
30
31
32
33
R908 NC 0R GND_TUNER
C918 U905 NC/47pF 15 5 +3.3V_TU GND_TUNER GND_TUNER
2.2nH 8.2nH 0.1uF 10

GND
GND
GND
GND
GND

RESET_N

VDD_1p8_3

GND_XTAL

XTAL_N
GND
GND
GND
GND
AS

XTAL_P
L907
C6
C805
后面要求NC. L903 0.1uF/NC
nc 18nH VGA 0.1uF

17
D D
C936 NC 5.6pF
C929 1 18
1nF VDD_3p3_1 CLK_OUT +5V_Normal

2
C813
replace for Balun
T901
AGC RC Filter &I2C(IIC串的电阻在IC端已经有）
RF SIGNAL INPUT For S11 test 2 17 SDA-T
BW21S7511A01TF LNA_INP SDA 2.2uF
TUNER_CONNECTOR 75 ohm Line
L907 R912 33R SDA-T
CON1 TC29 1NF/2KV L901 0R C934 1nF 3,4,6,10 I2C-SDA

1
C913 1nF
1 RF-IN RF 3 16 SCL-T
2.2nH LNA_INN SCL R913 33R SCL-T
2 3,4,6,10 I2C-SCL
3

3
4
2 MxL661 TUNER_RESET_T
FB(1000ohm,200mA)
L904 L903 4 15 +3.3V_TU C905 C906
D01 VDD_1.8V_OUTPUT L906 VDD_1p8_1 VDD_IO GND_TUNER
18nH/nc 33pF
BAV99
560nH 33pF
C933 C912
1

0.1uF
TC23 10NF/1KV 5 14 TCON1

16
NC/0.1uF AGC_2/GPO3 GND_DIG
4,10 IF-AGC IF-AGC R911 100R IFAGC 11 1 SDA_T

IF_OUTN_2/GPO_1

IF_OUTP_2/GPO_2
TC24 10NF/1KV C907 C921 6 SCL_T
6 13 0.1uF 0.1uF 12 2 IF+_T
AGC_1 VDD_1p2
7

VDD_3p3_2

VDD_1p8_2
IF_OUTN_1

IF_OUTP_1
TC25 4.7NF/1KV C909 13 3 IF-_T
J3 2.2nF Close Tuner 8
14 4 IF-AGC_T
TC26 4.7NF/1KV 1 9
2 15 5 +3.3V_TU_T
3 IFAGC 10

10

11

12
TC27 470PF/1KV 4 TC54 TC55
VGA_公座 0.1uF

17
GND_TUNER

VDD_1.8V_OUTPUT
22*16MM屏蔽罩 10uF
C917
0.1uF
C914
0.1uF
C930
0.1uF
C931
GND_TUNER 此虚线方框内元件为欧洲
+5V_Normal_T
1uF GND_TUNER
DVB-T/T2/C和台湾DVB-T

IF-IN+
IF-IN-
GND_TUNER
+3.3V_TU 共用的元件。
此虚线方框内元件为中国DTMB使用。

C C

+3.3V_TU_T
kick back filter:220nH/47pF 改善ATV水波纹！
TUNER_RESET_T
RF SWITCH GND_TUNER Y2

R910 IF-IN-_T R906 0R IF-_T

改用150pf
Addr 0xC0 GND_TUNER
1M C948
NC/47pF
C939 16.000MHz C946
TC52 180pF RF_AIR# Part Num BALUN NO BALUN GND_TUNER C941
NC/10pF
3

L908 NC 18nH 0.47uF GND_TUNER

TD3 +3.3V_TU_T IF-IN+_T R908 0R IF+_T
GND_TUNER 10nF
L912 BAV99 R909 0R NC GND_TUNER
GND_TUNER GND_TUNER C947
+3.3V_TU_T NC/47pF
560nH

25
26
27
28
29
24

23

22

21

20

19
30
31
32
33
R908 NC 0R
1

C928 U906
2.2nH 8.2nH 0.1uF SDA_T# R915 33R SDA_T

GND
GND
GND
GND
GND

RESET_N

VDD_1p8_3

GND_XTAL

XTAL_N
GND
GND
GND
GND
AS

XTAL_P
L907
TR19 TU2 GND_TUNER
AIR SCL_T# R916 33R SCL_T
8
7
4
3
5
6

300K
GND_TUNER L903 560nH 18nH
10 C936 C945
GND

RF2

GND

RF_Air GND_TUNER GND_TUNER 33pF

9 2 C936 NC 5.6pF
RF_SW TR17 100R C937 1 18 33pF
10 C2 GND 6 GND_TUNER 1nF VDD_3p3_1 CLK_OUT

2
GND_TUNER GND_TUNER 11 5 RF_IN RF SIGNAL INPUT replace for Balun
C1 RFC GND_TUNER
1 RF_Cable T902
For S11 test 2 17 SDA_T#
90 +3.3V_TU_T 12 4 GND_TUNER BW21S7511A01TF LNA_INP SDA
VCC GND
CABLE 75 ohm Line
GND

GND

F Conn
JT1
RF1

TC50 TC51 13 P L902 0R

1
GND_TUNER 0.1uF 1nF C925 1nF L910
RF_IN C940 1nF 3 16 SCL_T#
LNA_INN SCL
1

2.2nH
PE42750
L913
FB(1000ohm,200mA)
MxL661
560nH L905
GND_TUNER L911 VDD_1.8V_T 4 15 +3.3V_TU_T
18nH/nc VDD_1p8_1 VDD_IO
GND_TUNER GND_TUNER L909
560nH
C935 NC/0.1uF C942 0.1uF
TC53 180pF RF_Cable# 5 14
AGC_2/GPO3 GND_DIG
3

GND_TUNER
改用150pf GND_TUNER

IF_OUTN_2/GPO_1

IF_OUTP_2/GPO_2
GND_TUNER
TD4 C944
C1 C2 RF1 RF2 GND_TUNER 6 13 0.1uF
BAV99 AGC_1 VDD_1p2

VDD_3p3_2

VDD_1p8_2
IF_OUTN_1

IF_OUTP_1
B GND HIGH OFF ON C943 B
1

2.2nF
GND LOW ON OFF

GND_TUNER
IF-AGC_T R914 100R IFAGC_T

10

11

12
GND_TUNER

C923

VDD_1.8V_T
Close Tuner C926 C927 C938
0.1uF 0.1uF 0.1uF 0.1uF C924
RF_SW 1uF

IF-IN+_T
GND_TUNER

IF-IN-_T
+3.3V_TU_T
GND_TUNER GND_TUNER

此虚线方框内元件为台湾DVB-T使用。

Mxl661

13
GND
12
GND
11
GND
10
GND
+3.3V_TU_T

GND_TUNER
9 C920 0.1uF
ANT_DC
3.3V 8 GND_TUNER
7 SCL_T
SCL SDA_T
6
SDA
5
GND
4
CLK_OUT
3 IF-_T# R918 0R IF-_T
DIFN IF+_T# R909 0R IF+_T
DIFP 2
1 IF-AGC_T
A IF_AGC A

CON2

MXL661高频头模组

此虚线方框内元件为欧洲DVB-T/T2/C使用。
文件名称： MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
 5 4 3 2 1

VDD33
VDD
+3.3V AVDD33 VDD33 +1.15V VDD C23 XTAL_IN
30pF +3.3V
Close to Demod.
Y1 RESETn

TS_VLD
TS_D0
D_SDA

44 TS_SYNC
3 R22

C22 C24 C25 C26 C27 C30 C31 C33 XTAL-24MHz 1M R30
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 10K
D 0.1uF 0.1uF 0.1uF C29 R23 XTAL_OUT D
U4

48
47
46
45

43
42
41
40
39
38
37
30pF 0R
Demod_RST
Close to Demod.

VDD
GND

TS_SYNC
TS_VLD
I2CS_SDA

VDD33

TS_D0
TS_D1
TS_D2
TS_D3
TS_D4
TS_D5
C38

10uF/6.3V

+3.3V
D_SCL 1 36
I2CS_SCL TS_D6
2 35
4

U3 GND TS_D7
R24 XTAL_OUT 3 34 TS_CLK
R26 10K/NC XTAL_IN XTAL_OUT TS_CLK MSPI_CSZ
4 XTAL_IN MSPI_CSZ 33
AMS1117-1.2 AVDD33 5 32 MSPI_DO
+3.3V_TU 0R AVDD33 MSPI_DO
T_IF_AGC MSPI_DI
ADJ

OUT

L214 FB +3.3V 4,9 IF-AGC 6 IFAGC_S MSB102KT MSPI_DI 31

IN

T_IF_AGC 7 30
C34 IP_T IFAGC_T GND Demod_RST
8 IP_T RESETZ 29
+1.15V IM_T 9 28 MSPI_CLK
1

+5V_Normal C63 C60 C43 C44 22nFClose IM_T MSPI_CLK

to Demod. 10 GND VDD33 27 VDD33
11 IP_S GND 26
0.1uF 10uF/6.3V 0.1uF 10uF/6.3V

DISEQ_IN1/TS_ERR
12 IM_S VDD 25 VDD
C58
C46 C62

DISEQ_OUT1
C42 C45 4 DIFP IF-IN+ C39 0.1uF IP_T

I2CM_SDA
I2CM_SCL
0.1uF 0.1uF
2.2uF 10uF/6.3V 2.2uF 4 DIFM IF-IN- C48 0.1uF IM_T

AVDD33

VDD33
GPIO0
QM_S
QP_S

GND

GND
VDD
MSB102X DEMOD core power 电压1.10V~1.20V

13
14
15
16
17
18
19
20
21
22
23
24
MSB102X DTMB DEMOD core power
电流MAX 600mA，需要DCDC。其他demod
core power电流MAX350MA，可以用LDO。
U5 上件说明：
1. 当U4为ISDBT/DTMB/S2 DEMOD chip时,U5 、R25、C32要 NC。
1. 当U4为DVBT/T2 DEMOD chip时,U5 、R25、C32要 上件。
4 TS_MDI0 TS_MDI0 TS_D0
Demod_RST

VDD33
VDD
AVDD33
4 Demod_RST +3.3V +3.3V
R29 0R 4 TS_MIVALID TS_VLD GD25Q41
4 TS_MICLK TS_CLK
TS_SYNC U5
C922 4 TS_MISYNC R27 100R C32
D_SDA
10pf/nc 3,4,6,9 I2C-SDA R25 MSPI_CSZ 1 8
R28 100R CE# VDD
D_SCL 10K
3,4,6,9 I2C-SCL MSPI_DO 2 7 0.1uF
C SO HOLD# C
MSPI_WP 3 6 MSPI_CLK
WP# SCK
4 5 MSPI_DI
VSS SI

DVB-T2 采用1Mbit的Flash.

B B

MSD6A638-T8E2(欧洲DVB-T/T2/C+台湾DVB-T)4K电视主板原理图

5 4 3 2 1
10. Part List

S/N Description QTY UOM

43" TFT KTC K430WD7-LE260A6 LED PANEL(V16
7422430LGK3I5A7171 1 PCS
G+)(12V+51pin+UHD+10bit/60Hz)
760132E4120144TSA1 Remote control 1 PCS
7711B5768A11000011 8Ω 10W Speaker(L187×W30×D25mm) 2 PCS
MSD6A638JSMG-8-ST(With DD,No RMVB) Option
9011118E25983L1051 1 PCS
3*HDMI+2*USB+RJ45 Main board
200W MP44010+HR1000A+OB2273B+AP3041 K-PL-L03 LED
9012112A4120007011 1 PCS
Combo Power board
903024818800071011 WIFI Network board 10W,(5pin_2.0mm) 1 PCS
11. SET ID and PANEL ID

Serial >> ABBCCCDEFFFFGG (14 Digit)

A : Year
A B C D E F G
And So on
2010 2011 2012 2013 2014 2015 2016

BB : Week
WK01 WK02 WK03 WK04 WK05 WK06 WK07
And So on
1 2 3 4 5 6 7

The Week Include 4th/Jan Is WK01

CCC : SET ID
In SET ID Sheet
When The Serial Number Was Limit 99, The Next Number Is Returned From 01

D : Country No.
A : Egypt

E : Line No.
Line 1 Line 2 Line 3 Line 4
1 2 3 4

FFFF : Serial Number

Serial Number Depend On Same SET ID, Same Week & Same Manufacturing Line
When The Serial Number Was Limit 9999, The Next Number Is Returned From 0001

GG : Panel ID (Panel Vendor Information )

Marking Panel Vendor Marking Panel Vendor Marking Panel Vendor

A AUO J S SHARP
B K SAMSUNG T
C CMI L LPL/LGD U
D M V VESTEL
E N W
F P CPT X
G Q Y
H KONKA R Z
When The Panel Version Is Updated Within The Same Panel Vendor, The Last
Digit Will Be Incremented By 1

Model Panel Information

Model name SET ID Panel ID

55U7750EA NL5 T1

55U7750EE NL6 T1

55U7750EV NL7 T1
Module ID

Panel code

panel supplier
ID code
year code stream
month

production orders product line

vender address

PCB CODE format

code stream
production orders

PCB solution year month

product line
TOSHIBA ELARABY VISUAL PRODUCTS COMPANY
3rd Zone, Quesna Industrial City, Kofor El Raml, Quesna, Monofeya, Egypt

REV. 00
Nov./25/2016