Sony CDX-GT42IPW Service Manual page 32

CDX-GT42IPW/GT44IP/GT420IP
• IC Block Diagrams
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/4))
TAB 1
OUT-FL- 3
OUT-FL+ 5
OUT-RL- 7
OUT-RL+ 9
IN-RL 11
S-GND 13
PROTECTION/
DIAGNOSTIC
IN-RR
15
OUT-RR+
17
OUT-RR- 19
OUT-FR+ 21
OUT-FR- 23
CHIP DETECT/
DIAGNOSTIC
BATTERY
DIAG 25
DETECTION
ANT-REM 27 SWITCH
AMP-REM 29 SWITCH
SERVO5V 31
MECH6V 33
VP 35
REFERENCE
VOLTAGE
B.UP+B 37
REGULATOR
CDX-GT42IPW/GT44IP/GT420IP
2 SDA
2
I C BUS
4 SCL
FL
6 VP2
RL
8
PGND3
10 SVR
IN-FL
12
14
IN-FR
16 BEEP
VP
RR 18 PGND2
20 VP1
STANDBY/
FR 22 STB
MUTE
24 PGND1
TEMPERATURE
PROTECTION ENABLE
LOGIC
26 RST
28 CRES
30 AUDIO8.3V
32 GND
34 PANEL+B
36 CBU
LOADDUMP BACK-UP
PROTECTION SWITCH
IC401 BD3442FS-E2 (MAIN Board (2/4))
BUS-L 1
100k
BUS-R 2
100k
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
32 32
IC601 BA8271F-E2 (MAIN Board (1/4))
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
6 9 DATA IN
DATA
GND 7 8 DATA OUT
INPUT INPUT VOLUME1 TREBLE VOLUME2
SELECTOR GAIN /MUTE /BASS
/MIDDLE
EFFECT
FADER
LPF
FADER
SPECTRUM
ANALYZER
VCC2 32 FIL
31 GND
30 SDA
I2C
BUS
LOGIC
29 SCL
28 MUTE
VCC 27 VCC
FADER 26 OUTF1
FADER 25 OUTF2
24 OUT-R1
FADER
23 OUT-R2
FADER
22 OUTS1
21 OUTS2
20
ADJ
19 SOUT
18 DATA
17 CLK