Sony CDX-GT32W Service Manual page 28

CDX-GT32W/GT320/GT370/GT370S
• IC Block Diagrams
IC401 BD3442FS-E2 (MAIN Board (1/4))
BUS-L 1
100k
BUS-R 2
INPUT
100k
SELECTOR
TU-L 3
100k
TU-R 4
100k
CD-L
5
100k
CD-R
6
100k
AUX-L
7
250k
AUX-G 8
250k
AUX-R 9
250k
DS32
10
DS11 11
DS22 12
EBIAS 13
DS21
14
DS11
15
DS31 16
IC580 BA8271F-E2 (MAIN Board (4/4))
BUS ON 14 VCC
BUS ON
1
SWITCH
RESET
RST 2 13 RESET
SWITCH
12 BUS ON
11 CLK IN
BATTERY
BATT 3 10 BU IN
SWITCH
CLK 4
VREF 5
DATA 6 9 DATA IN
GND 7 8 DATA OUT
CDX-GT32W/GT320/GT370/GT370S
VCC2
INPUT VOLUME1 TREBLE VOLUME2
GAIN /MUTE /BASS
I2C
/MIDDLE
BUS
LOGIC
VCC
FADER
EFFECT
FADER
FADER
FADER
FADER
LPF
FADER
SPECTRUM
ANALYZER
TAB
32 FIL
OUT-FL-
31 GND
OUT-FL+
30 SDA OUT-RL-
29 SCL
OUT-RL+
28 MUTE
IN-RL
27 VCC
S-GND
26 OUTF1
IN-RR
25 OUTF2 OUT-RR+
OUT-RR-
24 OUT-R1
23 OUT-R2
OUT-FR+
OUT-FR-
22 OUTS1
DIAG
21
OUTS2
20 ADJ
19
SOUT
ANT-REM
18 DATA
17 CLK
AMP-REM
SERVO5V
MECH6V
B.UP+B
28 28
IC750 TDA8588AJ/N2/R1 (MAIN Board (2/4))
1
2
3 2
I C BUS
4
FL
5
6
7
RL
8
9
10
11
12
13
PROTECTION/
DIAGNOSTIC 14
15
16
VP
17
RR 18
19
20
21
STANDBY/
FR 22
MUTE
23
CHIP DETECT/
24
DIAGNOSTIC
BATTERY TEMPERATURE
25
DETECTION PROTECTION ENABLE
LOGIC
26
27 SWITCH
28
29 SWITCH
30
31
32
33
34
VP 35
REFERENCE
36
VOLTAGE
LOADDUMP BACK-UP
37
REGULATOR PROTECTION SWITCH
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU