Schematic Diagram -Main Section (1/3) - Sony CDX-GT25MPW Service Manual

4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
1 2
AR,RU MODEL EXCEPT AR,RU MODEL
RL+ RL-
A 7 8 FRONT
L-CH
FL+ FL-
5 6 REAR
L-CH
FR+ FR-
3
4 REAR
R-CH
RR+ RR-
1 FRONT
2
R-CH
AMP REM
B ANT REM
FL+ FL-
1
9
ACC
RL+ RL-
2 10
GND
RR+ RR-
3 11 BATT
RU
MODEL
FR+ FR-
4 12
ATT
AMP REM
5 13
C
ANT REM
6 14
ACC
7
15
GND BATT
8
16
ACC GND
7
D 8
ANT REM
5 6
BATT
3 4
1 2
E
R826
R802
J801
(REMOTE IN)
R801
F
G
H
I
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
• See page 24 for IC Block Diagram.
3 4 5
MAIN BOARD (1/3)
+ 1 9
-
+ 2 10
-
11
+ 3
-
+ 4 12
-
5 13
6 14
7 15
8 16
CN802
16P
19
+B
FU601 +B 18
10A
17
+B
+B 16
TEST 15
RU MODEL
14
ILL
R824 1k
TEL-ATT 13
12
FR-
RR- 11
10
RL-
FL- 9
GND 8
R631 4.7k
7
ACC
ANT-REM 6
5
AMP-REM
FR+ 4
3
RR+
RL+ 2
FL+ 1
Q802
DRC5114E0L
BACK-UP CHECK
Q807
0
DRC5144E0L
BACK-UP CHECK R816
D807
1k
6.7 0.6
RKZ18B2KGP1
Q808 6.7
Q805
2SC3052EF-T1-LEF
0
R815 2SC4154TP-1EF
BACK-UP CHECK D806
1k ACC DETECT
RKZ7.5B2KGP1
0
0
2.7
R585
220k
RESET
R584 220k
R541 100k
R540 100k
6 7 8
1 2 3 4 5 6 7 8 9
1
L801
250uH
2
RU MODEL
R820
10k
Q806
2SC4154TP-1EF
TEL-ATT DETECT
R819 R821
47k 10k
0.6
R822
0
47k
IC403
IC403
PST8228UL
RESET
3
1 4
VOUT VSS
R401
3.3
100k
2 Vdd NC 3
C401
0.1
1
MAIN BOARD
(2/3)
(Page 20)
19 19
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
9 10 11
IC301 IC B/D IC B/D
(RU)
(EXCEPT RU)
IC301
TDF8554AJ/N1 (RU MODEL)
TDF8556AJ/N1 (EXCEPT RU MODEL)
I2C BUS CONTROLLED POWER AMP/
MULTIPLE VOLTAGE REGULATOR
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
IC B/D
4 5
IC402
IC402
TK11133CSCL-G
+3.3V REG
3 2 1
C503
C815
100
1000p
10V
12 13
29 30 31 32 33 34 35 36 37
C312
10
16V
C307 C313
220 47
10V 16V
10
11
12
13
MAIN
2 (Page 21)
BOARD
14
(3/3)
Q304
C322
DRA5114E0L
47
MUTE DRIVE
16V
13.9 0
15
13.7
0
Q303
DRC5114E0L
MUTE DRIVE
R309
0
16