Sony MEX-BT3100P, Service Manual, Page: 22 / 54

MEX-BT3100P/BT3100U
MEX-BT3100P/BT3100U
22 22
5-2. BLOCK DIAGRAM - MAIN Section -
C
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
MAIN SYSTEM CONTROLLER
IC501 (2/3)
AU_OUT_FL 36
AU_OUT_RL 38
AU_OUT_SL 40
R-CH
FL+
FL–
5
6
8
FR+
FR–
2
7
RL+
CN301 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
3
4
1
RR–
R-CH
MUTING
Q406
MUTING
Q404
MUTING
Q402
IN-RL 11
IN-FL 12
I2C_SDA
2
I2C_SCL
4
OUT-RL- 7
OUT-RL+ 9
OUT-FL- 3
OUT-FL+ 5
R-CH
R-CH
R-CH
FRONT
AUDIO OUT
L
REAR/SUB
AUDIO OUT
R
L
R
DIAG
25
STB
22
BEEP
16
R-CH
R-CH
R-CH
45 HIT2_DATA
46 HIT2_CLK
47 HIT2_RESET 28 I2C_SIO
27 I2C_SCK
57 DIAG
58
AMPSTB
26 BEEP
56
ATT
J1
(ANTENNA IN)
TU_LCH 5
I2C_SDA
23
I2C_SCL
22
B
PRE_R
PRE_L
27 AU_OUT_RCH
28 AU_OUT_LCH
30 AU_IN_SUB
RESET
31 AU_IN_RL
33 AU_IN_FL
SUB
RL
FL
XM_LCH 11
AUX_LCH 8
MUTING
CONTROL
Q407, 409
: TUNER
: AUX
: Bluetooth
: AUDIO
: SIRIUS/XM
FP1 14
FN1 15
SIGNAL PATH
R-ch is omitted due to same as L-ch.
BT_MUTE_IN 73
BT_MIC_POWER 100
50 BT_RX
49 BT_TX
51 BT_CTS
52 BT_RTS
56 BT_MIC_DET
55 BT_RST
54 BT_POWER
BT BOARD
LCH_P
LCH_N
RCH_P
RCH_N
BT_CTS
RESET
BT_POWER
MIC_DET
BT_TX
BT_RTS
BT_RX
MUTE
BT_MIC_PWR
MIC IN
R-CH
CNC2
J402
CN01
TUX-DSP02 (TUNER UNIT)
AUDIO_OUT_L
RF_ANT_IN
SDA
SCL
RSTN
AUDIO_OUT_R
CN802
1
4
6
2
10
9
SIRIUSXM IN
J901
AUX
XM_TX 33
XM_RX 34
XM_POWER EN 35
BUFFER
IC830, 831
F3
B/U B+
(BT3100P)
SUB SYSTEM CONTROLLER
IC601 (2/3)
A
FL, RL, SUB
D602
MIC1
(BT3100U)
(Page 21)
(Page 21)
(Page 21)