Sony MEX-BT3900U Service Manual - Page 20

Browse online or download pdf Service Manual for Stereo System Sony MEX-BT3900U. Sony MEX-BT3900U 48 pages. Bluetooth audio system
Also for Sony MEX-BT3900U: Installation/Connections (2 pages), Installation/Connections (2 pages), Specifications (4 pages), Installation/Connections (2 pages), Owner's Record (45 pages)

Sony MEX-BT3900U Service Manual
MEX-BT39UW/BT3900U/BT3950U
SECTION 5

DIAGRAMS

5-1.

BLOCK DIAGRAM - AUDIO Section (1/2) -

D+
3
CN902
D-
2
VBUS
1
MIC IN
MIC B+
MEX-BT39UW/BT3900U/BT3950U
CD MECHANISM DECK
(MG-101P-188//Q)
SERVO BOARD
AU_FL_CH
OPTICAL PICK-UP
BLOCK
AU_FR_CH
R-CH
(DAX-25A)
AU_RL_CH
AU_RR_CH
R-CH
AU_SUB_CH
AU_IN_LCH
SWITCH
BOARD
AU_IN_RCH
R-CH
A_ATT
USB_D+
USB_D-
VBUS
BU_CHECK
SYS_RST
D731
SP_DATA
SP_CLK
TXD
RXD
CD_ON
CDM_ON
VBUS_ON
Z_MUTE
WAKE_UP
BU+3.3V
EJECT_OK
VDD_3.3V
SERVO+3.3V
BU_3.3V
BU+3.3V
MECHA+6V
DR_6V
BT BOARD
(PATTERN ANTENNA)
LCH_P
RCH_P
R-CH
LCH_N
RCH_N
R-CH
MUTE
MIC201
UART_TX
UART_RX
MODULE_PON
UART_CTS
MIC_OUT
UART_RTS
MIC INPUT
MIC+_IN
RESET
SELECT
IC201
MIC
B+ SWITCH
+3.3V
Q201, 202
D403
48 SA_DATAIN
49 SA_CLKOUT
22 MC_RX
24 MC_TX
37 CD_ON
38 CDM_ON
51 VBUS_ON
40 Z_MUTE
39 WAKE_UP
67
BT_MUTE
78
BT_RX
77
BT_TX
87
BT_POWER
84
BT_RTS
85
BT_CTS
12
RESET
86
BT_RESET
D204
RESET SIGNAL
GENERATOR
BU +3.3V
IC403
S401
RESET
88 BT_MIC_DET
20
20
MUTE
DRIVE
Q407, 409
D401
D404
BATT
58
SYSTEM CONTROLLER
IC501 (1/3)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
FL_CH
RL_CH
SUB_CH
IN_LCH
A
(Page 21)
BT-L_P
BT-L_N
ATT
BU_CHECK
B
XSYS_RST
(Page 22)
: AUDIO
: CD PLAY
: USB
: Bluetooth
: MIC