Sony WX-GT77UI Service Manual page 27

• IC Block Diagrams
IC301 TDA8588AJ/N2/R1 (MAIN Board (1/3))
TAB
1
OUT-FL– 3
FL
OUT-FL+ 5
OUT-RL– 7
RL
9
OUT-RL+
IN-RL 11
13
S-GND
PROTECTION/
DIAGNOSTIC
IN-RR 15
OUT-RR+ 17
RR
OUT-RR–
19
OUT-FR+ 21
FR
OUT-FR– 23
CHIP DETECT/
DIAGNOSTIC
BATTERY
DIAG 25
DETECTION
ANT-REM SWITCH
27
AMP-REM 29 SWITCH
SERVO-3.3V
31
MECH-6V
33
VP 35
REFERENCE
VOLTAGE
BU+B 37
REGULATOR
WX-GT77UI/GT78UI/GT78UIM
2
2
I C BUS
4
6
8
10
12
14
16
VP
18
20
STANDBY/
22
MUTE
24
TEMPERATURE
ENABLE
PROTECTION
LOGIC
26
28
30
32
34
36
LOADDUMP BACK-UP
PROTECTION SWITCH
I2C_SIO
I2C_SCK
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
GND
PANEL+B
CBU
27