Sony CDX-GT31MP Service Manual page 28

CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
• IC Block Diagrams
IC301 TDF8554AJ/N5 (MAIN board (1/3)) (Russian model)
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
DIAG 25
SWITCH
ANT-REM 27
AMP-REM 29 SWITCH
SERVO-3.3V 31
MECHA-6V
33
VP 35
REFERENCE
VOLTAGE
BU+B 37
REGULATOR
CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
2 I2C_SDA
I 2 C BUS
4 I2C_SCL
FL
6
VP2
RL 8 P-GND1
10 SVR
12 IN-FL
14
IN-FR
16
BEEP
VP
RR 18 P-GND3
20
VP1
STANDBY/
FR 22 STB
MUTE
24 P-GND4
BATTERY TEMPERATURE
ENABLE
DETECTION PROTECTION
LOGIC
26 RST
28 CRES
AUDIO+B
30
(8.5V)
32 GND
34 PANEL+B
36 CBU
LOADDUMP BACK-UP
PROTECTION SWITCH
IC301 TDF8556AJ/N5 (MAIN board (1/3)) (Except Russian model)
TAB 1
OUT-FL– 3
OUT-FL+ 5
OUT-RL– 7
OUT-RL+ 9
IN-RL 11
S-GND 13
IN-RR 15
OUT-RR+ 17
OUT-RR– 19
OUT-FR+ 21
OUT-FR– 23
DIAG 25
ANT-REM 27
AMP-REM 29
SERVO+3.3V 31
MECHA+6V
33
VP 35
BU+B 37
28 28
2 I2C_SDA
I 2 C BUS
4 I2C_SCL
FL
6
VP2
RL 8 P-GND1
10 SVR
12 IN-FL
PROTECTION/
DIAGNOSTIC 14
IN-FR
16
BEEP
VP
RR 18 P-GND3
20 VP1
STANDBY/
FR 22 STB
MUTE
CHIP DETECT/
24 P-GND4
DIAGNOSTIC
TEMPERATURE
PROTECTION
ENABLE
LOGIC
26 RST
SWITCH
28 CRES
SWITCH
AUDIO+B
30
(8.5V)
32 GND
34 PANEL+B
REFERENCE
36 CBU
VOLTAGE
LOAD DUMP BACK-UP
REGULATOR PROTECTION SWITCH