Sony MEX-BT3807U Manual de servicio - Página 21
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4-1.
BLOCK DIAGRAM - AUDIO Section (1/2) -
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: CD PLAY
: USB
: Bluetooth
: MIC
J801
MIC IN
MIC INPUT
SELECT
IC812
MIC801
SWITCH
Q823
B+ SWITCH
MIC
AUDIO
MIC B+
+3.3V
Q820 - 822
+8.5V
MEX-BT38UW/BT3800U/BT3807U/BT3850U
SECTION 4
DIAGRAMS
SERVO BOARD
AU_LCH
CD MECHANISM
AU_RCH
R-CH
DECK
(MG-101Z-188//Q)
SENSOR
BOARD
AU_ATT
CN902
BU_CHECK
SYS_RST
3
D+ (USB)
RESET
SWITCH
2
D- (USB)
Q598
TXD (MC-BUS)
RXD (MC-BUS)
CD_ON
CDM_ON
VBUS_ON
Z_MUTE
EJECT_OK
WAKE_UP
CN501
TX
5
RX
4
RESET
1
F_WRITE
7
(NC)
NCO
3
CLK
2
BT BOARD
(PATTERN ANTENNA)
BT_AUDIO_L
BT_AUDIO_R
BT_MUTE
BT_RESET
BT_OPRPOW
BT_POW_ON
BT_TEST1
BT_TEST2
BT_MFUNC
BT_FF
BT_FR
BT_PLAY
BT_CVC
BT_INT-HF
BT_STATUS0
BT_STATUS1
BT_STATUS2
BT_STATUS3
BT_MUTE
MIC AMP
+
MIC
MIC_IN+
IC813 (1/2)
AMP
IC814
MIC_IN-
GAIN
MIC AMP
Q824, 825
CONTROL
Q862
NOISE FILTER
IC813 (2/2)
D400
59 MC_RX
60 MC_TX
84 CD_ON
85 CDM_ON
75 VBUS_ON
62 Z_MUTE
70 EJECT_OK
43 WAKE_UP
INVERTER
53 MD0
Q599
51 XMD2
INVERTER
78 FLASHEN1
Q597
61 XTEST_IN
D802
R-CH
D801
9
XBT_RESET
11
BT_OPRPOW
12
BT_STATUS_POW
19
BT_TEST1
18
BT_TEST2
10
BT_MFUNC
3
BT_FF
2
BT_FR
1
BT_PLAY
97
BT_CVC
96
BT_INT_HF
5
BT_STATUS0
6
BT_STATUS1
7
BT_STATUS2
8
BT_STATUS3
94
BT_MUTE
88 XBT_MIC_SEL
89 BT_MIC_DET
21
21
MEX-BT38UW/BT3800U/BT3807U/BT3850U
MUTING
D502
CONTROL
Q470, 471
D472
MUTING
CONTROL
Q493
MUTING
CONTROL
Q490
64
42
74
SYSTEM CONTROLLER
IC501 (1/3)
CD-L
A
BT-L
(Page 22)
ATT
BU_CHECK
SYS_RST
B
XSYS_RST
(Page 23)
BT_ON