Sony CDX-GT61UI Service Manual page 30

CDX-GT61UI/GT610UI
• 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
SWITCH
ANT-REM 27
AMP-REM 29 SWITCH
SERVO3.3V 31
MECH6V 33
VP 35
REFERENCE
VOLTAGE
BU+B 37
REGULATOR
IC601 BA8271F-E2 (MAIN Board (1/4))
BUS ON
BUS ON
1
SWITCH
RESET
RST 2
SWITCH
BATTERY
BATT 3
SWITCH
CLK 4
VREF 5
6
DATA I/O
GND 7
CDX-GT61UI/GT610UI
2 SDA
2
I C BUS
4 SCL
FL
6
VP2
RL
8
PGND1
10 SVR
IN-FL
12
14 IN-FR
16 BEEP
VP
RR 18 PGND3
20 VP1
STANDBY/
FR 22 STB
MUTE
24 PGND4
TEMPERATURE
PROTECTION ENABLE
LOGIC
26
RST
28 CRES
30 AUDIO+B
32 GND
34 PANEL+B
36
CBU
LOADDUMP BACK-UP
PROTECTION SWITCH
VCC
14
13 RST
12 BUS IN
11 CLK IN
10 B/U–C
9 DATA IN
8 DATA OUT
IC401 BD3442FS-E2 (MAIN Board (2/4))
BUS-RCH 1
100k
BUS-LCH 2
100k
TU-RCH 3
100k
TU-LCH 4
100k
CD-RCH
5
100k
CD-LCH
6
100k
AUX-RCH
7
250k
AUX-GND 8
250k
AUX-LCH 9
250k
DS3-L
10
DS1-L 11
DS2-L
12
EBIAS 13
DS2-R
14
DS1-R
15
DS3-R 16
30 30
INPUT INPUT VOLUME1 TREBLE VOLUME2
SELECTOR GAIN /MUTE /BASS
/MIDDLE
EFFECT
FADER
LPF
FADER
SPECTRUM
ANALYZER
IC200 BA3121F-E2
(MAIN Board (2/4))
OUT1 1 8 VCC
VM1 2 7 OUT2
3 AMP 6
IN1 VM2
GND 4 AMP 5 IN2
VCC2 32 FIL
31 GND
30 SDA
I2C
BUS
LOGIC
29 SCL
28 MUTE
VCC 27 VCC
FADER 26 OUT-FR
FADER 25 OUT-FL
FADER 24 OUT-RR
FADER 23 OUT-RL
22 SUBOUT-R
21
SUBOUT-L
20 ADJ
19
SAOUT
18 SADA
17 SACLK