Block Diagram - Main Section - Sony MEX-XB100BT Service Manual

MEX-XB100BT
5-2.

BLOCK DIAGRAM - MAIN Section -

FL, RL, SUB FL
>002B
(Page 33)
RL
SUB
KEY BOARD (2/3)
AUX_L
AUX_GND
AUX_R R-CH
MCN1 MIC AMP
IC1003
MIC IN
TU01
TUX-DSP04 (TUNER UNIT)
RF_ANT_IN AUDIO_OUT_L
J001
(ANTENNA IN) AUDIO_OUT_R R-CH
SDA
SCL
RSTN
(US, Canadian)
CN801
(SIRIUSXM IN)
1
4
R-CH
2
6
BUFFER
IC801, 802
10
9
F801
+B
MEX-XB100BT
INPUT SELECTOR, ELECTRICAL VOLUME
IC402
33 INF1 OUTF1 36
31 INR1 OUTR1 38
30 INS OUTC 40
OUTS 39
8 DP1
AU_IN_LCH,
AU_IN_LCH AU_IN_RCH
IG1 28
AU_IN_RCH
IG2 27
I2C0_SDA,
1 A1 I2C0_SDA I2C0_SCL
SDA 23
2 A2
I2C0_SCL
SCL 22
5 CP1
11 EP1
128 I2C1_SDA ATT 175
127 I2C1_SCL
BEEP 28
176 HIT2_RESET
DAMP_SDA 130
DAMP_SCL 129
63 XM_RX FAULT 78
CLIP_DET 80
48 XM_TX Q503
AMP_ATT 2
96 XM_PWR
AMPSTB 3
SYSTEM CONTROLLER
IC503 (2/3)
MUTING MUTING MUTING
>003B
Q404 Q406 Q408
(Page 33)
MUTING
CONTROL
Q401, 402, 808
>004B
(Page 33)
34 34
R-CH
R-CH
MUTING POWER AMP
Q407 IC1600
OUT1_P 47
R-CH 13 IN1_P
OUT1_M 48
R-CH
OUT2_P 44
15 IN2_P
OUT2_M 45
18 IN_M
R-CH
63 64 1 6 2 4
R-ch is omitted due to same as L-ch.
SIGNAL PATH
J402
L
FRONT
R
L
REAR AUDIO OUT
R
SUB
CN1600 (1/2)
2
FL+
1
FL–
10
FR+
9
FR–
4
RL+
3
RL–
8
RR+
7
RR–
: AUDIO
: TUNER
: SIRIUSXM
: AUX
: MIC