Sony CDX-GT730UI Service Manual page 33

• IC Block Diagrams
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/4))
TAB
1
OUT–FL–
3
FL
OUT–FL+
5
OUT–RL– 7
RL
OUT–RL+ 9
IN–RL
11
S–GND
13
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
SW2(ANT–REM) SWITCH
27
SWITCH
SW1(AMP–REM) 29
REG3(SERVO)
31
REG4(DR+B)
33
VP(REG) 35
REFERENCE
VOLTAGE
REG(BU5V) 37
REGULATOR
2
2
I C BUS
4
6
8
10
12
14
16
VP
18
20
STANDBY/
22
MUTE
24
TEMPERATURE
PROTECTION ENABLE
LOGIC
26
28
30
32
34
36
LOADDUMP BACK-UP
PROTECTION SWITCH
CDX-GT730UI/GT737UI/GT780UI
IC601 BA8271F-E2 (MAIN Board (1/4))
BUS ON
BUS ON 1
SWITCH
SDA
RESET
RST 2
SCL
SWITCH
BATTERY
VP2
BATT
3
SWITCH
PGND3
4
CLK
VREF 5
SVR
6
DATA I/O
IN–FL
GND
7
IN–FR
AC GND
PGND2
VP1
STB
PGND1
RST
CRES
REG1(AUDIO+B)
GND(REG)
REG5(ILL)
CBU
14 VCC
13 RESET
12 BUS ON
11 CLK IN
B CHK
10
9 DATA IN
DATA OUT
8
33