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Modul Bluetooth Audio

This document appears to be a circuit diagram or schematic for an audio device. It shows the components and connections between them. Key components include: - A microcontroller labeled MCU for processing audio signals - Resistors and capacitors used in the audio circuitry - A battery labeled BT1 likely providing power - Audio input and output jacks connected to the microcontroller and other components

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Iliescu Cristian
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947 views1 page

Modul Bluetooth Audio

This document appears to be a circuit diagram or schematic for an audio device. It shows the components and connections between them. Key components include: - A microcontroller labeled MCU for processing audio signals - Resistors and capacitors used in the audio circuitry - A battery labeled BT1 likely providing power - Audio input and output jacks connected to the microcontroller and other components

Uploaded by

Iliescu Cristian
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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D U2 D

S1
VCC VBA_IN SW SPST

1 30 C1 C6 C7 C2
ANT VDD_GND 10uF 100nF 100nF 10uF BT1
LI-BATTERY
2 29
RF_GND VCC
S1
R1 PLAY/PAUSE 3 28
VCC IO_19 VBAT
1K
S2
R2 NEXT/VOL+ 4 27
IO_18 VBUS
1K
S3 J2
R3 PREV/VOL- 5 26 C9 1uF RP
IO_21 RN
1K
C S4 C
R4 VOL+ 6 25 C8 1uF LP
IO_20 RP
1K PHONEJACK PJ327A
7 24
RSTN LP

8 23 C3 C12
MCU_GND LN R6 10uF 100pF
S5 1.2K
R5 VOL- 9 22
TXD MICBIAS
1K
C13 C10
10 21 22pF
RXD MIC_P MK1
D1 RLED C15 1uF
R8 11 20 1nF C11
IO_2 MIC_N MICROPHONE2
330R
R9 12 19 AUX_L C14 1uF
IO_3 LIN_L 22pF R7
330R
GLED D2 1.2K
13 18 AUX_R
IO_4 LIN_R
B B
14 17 AUX_DET
IO_5 IO_11

15 16
GND AGND VCC

BL3256
R21
10K GND GND

AUX_DET R20
1K R

C21 J5
R25 L L
AUX_R
4.7K
1uF
AUX_L R27
4.7K PHONEJACK PJ327A
C19 1uF
A A
R22 R23
47K 47K Title

Size Number Revision


B
Date: 13-Jun-2015 Sheet of
File: G:\瑞米斯资料\PCB文件\xe1201-demo.ddbDrawn By:
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