Thermal Label Scale Service Manual
Thermal Label Scale Service Manual
SERVICE MANUAL
( LP-1 ver 1.7 )
S•C•A•L•E
INDEX
1. BLOCK DIAGRAM
2. CONNECTION DAIGRAM
4. SCALE CALIBRATION
5. SCHEMATIC DIAGRAM
6. PCB LAYOUT
8. PARTS LIST
A. SAMIK(6190-PLP-0114-0)
B. FINE SUNTRONIX(6190-PLP-7040-0)
1. BLOCK DIAGRAM
Drawing No.: 9000-L17-0001-0
Step Motor
Stepping Motor
Driver
Data Display
RTC TPH
Flash Driver
3.6V
Battery
Regulator Front/Rear
KeyBoard
Display
Interface
Connector
RS232C
Driver
CPU
ATMEGA103
CAL
Switch
ADC
Load Cell
Module
Mode
Switch
Buzzer
Reset
IC
AC 85V ~ 264V
SMPS
220V/3.0A
2. CONNECTION DAIGRAM
Drawing No.: 9000-L17-0002-0
220V/5.0A
AC 85~264V
THERMAL
SENSOR HEAD
STEPPING
NOISE FILTER J13(GAP) MOTOR
J14(HEAD UP)
J8(PEEL LED)
J9(PEEL OPTO) J7
CN1
POWER J5
BOARD
6190-PLP-0114-0
(6190-PLP-7040-0)
MAIN A/D
CN24 J10 BOARD J11 CONVERTER
6191-PLP-0200-0 6144-A00-0065-0
INTERFACE
J1 CONNECTOR
CN21 25PIN
J6
J4 J1
DISPLAY
BOARD
6110-PLP-0236-0
J6 J5 J3
POLE
DISPLAY
CN1 6110-PLP
-0316-0
REAR
MEMBRANE MEMBRANE DISPLAY
KEY, SMALL KEY, LARGE 6110-PLP-0234-0 CN2 CN3 CN4
(6156-PLP-0082-0)
3. OPENNING THE UNIT
A. Removing the Display PCB
i. Disconnect AC code.
ii. Put the scale where you can reach both the back and the front of
it easily.
iii. Refer to “12. EXPLODED VIEW – UPPER CASE.”
Pull out the tray and the paper cover.
iv. On the front side of the upper case are the four screws holding
the front cover on. Unscrew them and put them in a safe place
v. Unscrew a bolt that is on the left front side of the main body and
put it in a safe place.
vi. Lift the front cover and pull it. Carefully remove the all cables
including the FPC of the membrane key boards and unscrew the
screws fastened to the main body with the ground wires.
vii. The five screws are holding the main PCB on the front cover.
Remove them and place them in a safe place. Loosing the five
hooks, pull out the board.
B. Calibration procedure
i. Turn the power switch off
ii. Remove the tray and slide the “CAL” switch toward the other side.
iii. Put the tray on the platform.
iv. Turn the power switch on.
v. CAL#4 Setting
vi. CAL#3 Span calibration
vii. CAL#1 Verification & Fine tuning
WEIGHT kg UNIT PRICE $/kg
CAL1 0 8594
It indicates the factored AD value. It indicates the factored raw AD
In other words, it shows the value of scale.
relative value that the first point of
time that you press zero key or
you enter the CAL1 mode
supposes zero point. Once you
press zero key and put up total
value of scale, 60000 value is
indicated.
CAL2 10
This item is used to test keys. The When you press the ‘C’ key, you can
indicated number 10 is the value leave
when you select key1 of PLU PAD.
Through this item, you can know
whether keys are faulty or not.
CAL3 UnLoAd
In case of pressing ‘PRT’ key at
‘Unload’
CAL3 LoAd
Ex) In case of 15kg scale
1. After checking nothing on the platter, press ‘PRT’ key.
2. When the ‘Load’ is indicated, put up 15kg weight and press ‘PRT’ key.
3. It is over, when you hear the sound and unit price screen is disappeared.
WEIGHT kg UNIT PRICE $/kg
CAL4 0
It set the capacity of scale.
1: 6kg single 2. 6kg dual
3 : 15kg single 4. 15kg dual
5 : 30kg single 6. 30kg dual
CAL5 0 8594
It indicates raw AD value. In other
words, it shows the relative value It indicates raw AD value of scale.
that the first point of time that you
press zero key or you enter the
CAL1 mode supposes zero point.
CAL6 CAL SEnSor Press ‘PRT’ key, the gap and peel sensor is measured automatically.
CAL6 HEiGHt Press ‘PRT’ key and enter the height of paper.
Press ‘PRT’ key and enter whether using the peel sensor.
CAL6 P-oFF
(1: use, 0: don’t use)
CAL6 intEnS Press ‘PRT’ key and enter the printing density. (0~4 step)
CAL6 AdJUSt Press ‘PRT’ key and adjust minutely the printing scope.
CAL6 Print PArAMEt Press ‘PRT’ key, the print setting is printed.
CAL6 SEt dEFAULt Press ‘PRT’ key, a print setting is set as default.
5 1
5
14
9 2
2
4
15
8
3 3
3
3
16
7
2 4
2
17
6 5
5
1
18
6
19
7
DB9 Female
20
PC
8
21
9
22
10
23
11
24
12
25
13
DB25 Female
Scale
Title
LP-1(ver 1.7) RS232c INTERFACE DIAGRAM
Document Number Rev
9000-L17-0011 00
Date:
12. LOAD CELL DIAGRAM Drawing No: BC5AS-201-00)
13. SMPS SPECIFICATION
A. SMPS(6190-PLP-0114-0)
i. PCB Diagram(Drawing No: 9000-L16-0009-0)
Title
SMPS PCB DIAGRAM(1104)
Document Number Rev
9000-L16-0009 00
Date:
ii. Part List
NO PARTS NAME SPECIFICATION UNIT Q'TY REMARK
1 POWER PCB 6190-PLP-0114
2 IC PWM 3844 EA 1 IC1
3 IC REGULATOR 7805 EA 1 IC21
4 IC REGULATOR 7912 EA 1 IC23
5 IC SHUNT 431 EA 1 IC22
817
6 PHOTO COUPLER EA 1 PC1
PC-17T1, KP1010A
2SK1537, STHV82,
7 FET NTK9005, SSH6N80A(FQA6N80), EA 1 Q1
SSH9N80A
8 TR TIP41C, 2SD613E EA 1 Q21
9 TR 3203 EA 1 Q22
10 DIODE BRIDGE D3SB(A)60, 406 EA 1 BD1
11 DIODE SCHOTTKY RK39, 31DQ09 EA 1 D22
NDL020-10F, SF10LC20U,
12 DIODE UFR EA 1 D21
YG902C 2R, STPR1020CF
13 DIODE UFR 4007 EA 2 D1,D25
14 DIODE UFR 4004 EA 2 D3, D23
15 DIODE SWITCHING 4148 EA 2 D2,D24
16 DIODE ZENER 1N4731A 1W 4.3V EA 1 ZD21
17 DIODE ZENER 1N4138A 1W 8.2V EA 1 ZD22
PCX2 335M 250VAC 0.22uF,
18 CAPACITOR MP EA 1 C1
KNB1530 250VAC 0.22uF
400V 220uF M pi30(25)X30(35,40)
19 CAPACITOR ELECT EA 1 C5
(85DEGREE)
35V 2200uF M pi16X31.5
20 CAPACITOR ELECT EA 2 C21,C22
(85Degree)
10V 470uF M pi8X11.5
21 CAPACITOR ELECT EA 2 C23,C24
(85Degree)
50V 47uF M pi6.3X11
22 CAPACITOR ELECT EA 3 C11,C31,C32
(85Degree)
25V 100uF M pi6.3X11
23 CAPACITOR ELECT EA 2 C25,C26
(85Degree)
50V 0.33uF M pi5X11
24 CAPACITOR ELECT EA 1 C27
(85Degree)
25 CAPACITOR CERAMIC NU250VAC 222M Y2 EA 2 C2,C3
26 CAPACITOR CERAMIC CKF103Z 1KV 0.01uF EA 1 C6
DH222M 250VAC 0.0022uF,
27 CAPACITOR CERAMIC EA 1 C4
DE222M, AD222M, SC222M
28 CAPACITOR CERAMIC CKB331K 50V 330pF EA 1 C12
29 CAPACITOR MYLAR TY104K 100V 0.1uF EA 1 C8
30 CAPACITOR MYLAR TY333K 100V 0.033uF EA 2 C7,C29
31 CAPACITOR MYLAR TY103K 100V 0.01uF EA 1 C28
32 CAPACITOR MYLAR TY102K 100V 0.001uF EA 3 C9,C10,C30
DSC 5D-9, NTC 5D-9,
33 THERMISTOR EA 1 TH1
TP 5D-9
34 MAIN TRANS 3541 1102-T1 EA 1 T1
35 MAIN TRANS 2619 1102-T2 EA 1 T2
36 LINE FILTER 404060 EA 1 LF1
37 COHKE COIL BAR 6X20 3uH EA 1 L21
38 RESISTOR CEMENT 5W 100 Ohm J EA 9 R32~R40
39 RESISTOR WW 2W 0.2 Ohm J EA 1 R6
40 RESISTOR WW 1W 0.22 Ohm J EA 1 R26
41 RESISTOR MOR 2W 47 kOhm J EA 1 R3
42 RESISTOR MOR 2W 120 kOhm J EA 1 R4
43 RESISTOR MOR 2W 1 kOhm J EA 2 R24,R31
44 RESISTOR MOR 1W 20 kOhm J EA 1 R25
45 RESISTOR CARBON 1/2W 470 kOhm J EA 2 R1, R2
46 RESISTOR CARBON 1/4W 10 Ohm J EA 2 R8, R29
47 RESISTOR CARBON 1/4W 10 kOhm J EA 2 R9, R5
48 RESISTOR CARBON 1/4W 220 Ohm J EA 1 R10
49 RESISTOR CARBON 1/4W 22 kOhm J EA 1 R11
50 RESISTOR CARBON 1/4W 2.7 kOhm J EA 1 R12
51 RESISTOR CARBON 1/4W 12 kOhm J EA 1 R13
52 RESISTOR CARBON 1/4W 24 Ohm J EA 1 R7
53 RESISTOR CARBON 1/4W 470 Ohm J EA 1 R21
54 RESISTOR CARBON 1/4W 24 kOhm J EA 1 R22
55 RESISTOR CARBON 1/4W 47 kOhm J EA 1 R30
56 RESISTOR CARBON 1/4W 150 Ohm J EA 1 R27
57 RESISTOR MF 1/4W 2.8 kOhm F EA 1 R23
B. SMPS(6190-PLP-7040-0)
i. PCB Diagram(Drawing No: 9000-L16-0010-0)
Title
SMPS PCB DIAGRAM(7040)
Document Number Rev
9000-L16-0010 00
Date:
ii. Part List
NO PARTS NAME SPECIFICATION UNIT Q'TY REMARK
1 PCB 6190PLP70400 EA 1
2 I.C 3842 EA 1 IC1
3 I.C 431 EA 1 IC21
4 I.C 7805 EA 1 IC22
5 I.C 7812 EA 1 IC23
6 PHOTO COUPLER 621, 817 EA 1 PC1
7 TRANSISTOR 3203 EA 1 TR22
8 BRIDGE DIODE D3SBA60, GBU4J EA 1 BD1
9 DIODE / FRD UF4007, UF1010 EA 1 D1
10 DIODE / FRD UF4004, UF104 EA 3 D3, 23, 24
11 DIODE / FRD S3L20U EA 1 D22
12 DIODE / FRD 1N4531, 1S133 EA 3 D25, 26, 27
13 DIODE / FRD 1N4004 EA 1
14 ZENER DIODE 1N4731 EA 1 ZD22
15 ZENER DIODE 1N4738 EA 1 ZD21
16 THERMISTOR DSC 10D-9, NTC 10D-9 EA 1 TH1
RQB, 10W, J
17 RESISTOR EA 3 R31, 32, 33
33, 5%
JRW. 2N. J
18 RESISTOR EA 1 R10
0.47, 5%
JRW. 1N. J
19 RESISTOR EA 1 R29
0.22, 5%
CR, 1/6W, J
20 RESISTOR EA 1 R35
150, 5%
CR, 1/6W, J
21 RESISTOR EA 1 R15
220, 5%
CR, 1/6W, J
22 RESISTOR EA 1 R24,R31
470, 5%
CR, 1/6W, J
23 RESISTOR EA 2 R37, 38
1K, 5%
CR, 1/6W, J
24 RESISTOR EA 1 R25
4.7K, 5%
CR, 1/6W, J
25 RESISTOR EA 1 R8, R29
7.5K, 5%
CR, 1/6W, J
26 RESISTOR EA 2 R7, 39
10K, 5%
CR, 1/6W, J
27 RESISTOR EA 1 R27
47K, 5%
MR, 1/6W, F
28 RESISTOR EA 2 R9, R16
360, 1%
MR, 1/6W, F
29 RESISTOR EA 1 R5
750, 1%
MR, 1/6W, F
30 RESISTOR EA 2 R20
2.4K, 1%
MR, 1/4W, J
31 RESISTOR EA 2 R22
360, 5%
MR, 1/4W, F
32 RESISTOR EA 2 R23
24K, 1%
CR, 0.5W, J
33 RESISTOR EA 1 R3
10, 5%
CR, 0.5W, J
34 RESISTOR EA 1 R2
33, 5%
CR, 0.5W, J
35 RESISTOR EA 1 R28
33K, 5%
CR, 0.5W, J
36 RESISTOR EA 1 R1
1M, 5%
MOR, 1W, J
37 RESISTOR EA 1 R36
10, 5%
MOR, 1W, J
38 RESISTOR EA 1 R6
120K, 5%
MOR, 2W, J
39 RESISTOR EA 1 R40
1K, 5%
MOR, 2W, J
40 RESISTOR EA 1 R26
2.7K, 5%
MOR, 2W, J
41 RESISTOR EA 2 R12, 14
51K, 5%
MOR, 2W, J
42 RESISTOR EA 1 R11
68K, 5%
KMG 50V 47uF, KME1H470MTD04R
43 ELEC/CAP EA 3 C12, 23, 26
50V/47uF 6.3 X 11
KMG 63V 47uF, KME 63V 47uF
44 ELEC/CAP EA 1 C24
63V/47uF 6.3 X 11
KMG 25V 100uF, KME1A101MTD04R
45 ELEC/CAP EA 1 C22
25V/100uF 6.3 X 11
KMG 10V 470uF, KME1A471MTD04R
46 ELEC/CAP EA 1 C31
10V/470uF 10 X 16, 10V/470uF 8 X 11
KXL 35V 470uF, SXE1V471MTD04R
47 ELEC/CAP EA 1 C29
35V/470uF 10 X 20
KXL 16V 1000uF, SXE1C102MTD04R
48 ELEC/CAP EA 1 C33
16V/1000uF 10 X 20
KXL 35V 1000uF, SXE1V102MTD04R
49 ELEC/CAP EA 1 C21, 28
35V/1000uF 12.5 X 25, 35V/1000uF 12 X 30
SMH2GVN221M30A, HC450V 220uF
50 ELEC/CAP EA 1 C1
450V/220uF 30 X 40
TS250V 222, SC250V 222, DS250V 222,
51 CERAMIC/CAP EA 3 C4, 5, 7
SE250V 222, 250VAC/2200pF
TS250V 103, DS250V 103, SE250V 103
52 CERAMIC/CAP EA 3 C36
250VAC/0.01uF
TY2A473KAN
53 FILM/CAP EA 1 C11
100V/0.047uF, K
TY2A333KAN
54 FILM/CAP EA 1 C38
100V/0.033uF, K
TY2A223JAN
55 FILM/CAP EA 2 C2
100V/0.022uF, J
TY2A153KAN
56 FILM/CAP EA 3 C37
100V/0.015uF, K
TY2A102KAN
57 FILM/CAP EA 2 C9, 39
100V/0.001uF, K
TM2J103KAM
58 FILM/CAP EA 1 C3
630V/0.01uF
ECQV1H104JL, PCMT36575104
59 FILM/CAP EA 2 C10, 27
0.1uF/50V, 0.1uF/63V
ECQV1H224JL, PCMT36575224
60 FILM/CAP EA 1 C25
0.22uF/50V, 0.22uF/63V
KNB1530-104M, PCX2335M1104
61 FILM/CAP EA 1 C8
275VAC/0.1uF
KNB1530-224M, PCX2 335 M1224
62 FILM/CAP EA 1 C6
275VAC/0.22uF
CAST-70A
63 TRANSFORMER EA 1 T1
EER35-41
CAST-7040
64 TRANSFORMER EA 1 T21
EER26-19
65 CHOKE FILTER 12R5-1A EA 1 L22
66 LINE FILTER 1980 EA 1 LF1
67 FERRITE BEAD 3550 EA 1 FB1
S52 250V 5A, 218 005 XE, 52S 250V 5A
68 FUSE EA 1 F1
250V/T5A
2SK2850, FS5SM-18A, 2SK2610
69 FET EA 1 Q1
900V/5A
SF10LC20U, D10LC20U
70 DIODE/FRD EA 1 D21
200V/10A
TIP41C
71 TRANSISTOR EA 1 TR21
100V/6A