Read Sony CDX-GT400 / CDX-GT40W / CDX-GT450 / CDX-GT450S Service Manual online
32
CDX-GT40W/GT400/GT450/GT450S
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/2))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
RR-
RR+
RF-
RF+
IN-RL
S-GND
IN_LF
LF+
LF-
LR+
LR-
DIAG
SW2
SW1
RFG3
RFG4
VP
RFG2
SDA
SCL
VP2
PGND3
SVR
IN_RR
IN_LR
ACGND
PGND2
VP1
STB
PGND1
RST
CRES
RFG1
GND
FRG5
CBU
FL
RL
RR
VP
FR
I
2
C BUS
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