Schematic Diagram -Main Section (1/3) - Sony CDX-GT31MP Service Manual

4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
1 2
A AR,RU MODEL
RL+ RL-
7 8
FL+ FL-
5 6 EXCEPT AR,RU MODEL
FR+ FR-
3 4
FRONT
L-CH
RR+ RR-
1 2
REAR
L-CH
B
REAR
R-CH
FRONT
FL+ FL-
1 9
R-CH
RL+ RL- REM OUT
2
10
RR+ RR-
3 11
FR+ FR- ACC
4 12
C
GND
AMP REM
5 13
BATT
ANT REM
6 14
ACC
7 15
GND BATT
8 16
D
ACC GND
7 8
ANT REM
5 6
BATT
3 4
1 2
E
FB801
J801
(REMOTE IN)
FB802
F
FB803
G
H
CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
• See page 28, 29 for IC Block Diagrams.
3 4 5
MAIN BOARD (1/3)
L302
140uH
CN301
16P
NEW
+B 19 3
+ 1 9
FU601 +B 18
-
10A
+B 17
+ 2 10
+B 16
-
TEST 15
+
3 11
ILL 14
-
TEL-ATT 13
+
4 12
FR- 12
-
RR- 11
5 13
RL- 10
FL- 9
6 14
GND 8
ACC 7
7 15
ANT-REM 6
AMP-REM 5
8 16
FR+ 4
RR+ 3
RL+ 2
FL+ 1
Q802
DRC5144E0L
0
LOW VOLTAGE
D801
R812 CHECK
RKZ7.5B2KGP1
220k
6.9
R813
220k Q801
2.7
DRC5114E0L
OVER VOLTAGE
CHECK
0 0
Q803 D802
2SC4154TP-1EF RKZ18B2KGP1
BATTERY CHECK
MAIN BOARD (2/3)
6 7 8
1 2 3 4 5 6 7
4
C339
1
R306
4.7k
C337
3300
16V
Q301
0
2SC4154TP-1EF
ACC CHECK
0.6
R324
47k
R323
R322 C333
4.7k
47k 1
R801
1k
C401
R802 0.1
1k
1
(Page 24)
23 23
CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
9 10 11
IC301
IC B/D
IC301
IC2 BUS CONTROLLED
TDF8554AJ/N5 (RU)
POWER AMP/MULTIPLE
TDF8556AJ/N5 (EXCEPT RU)
VOLTAGE REGULATOR
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
C305
1
R305
150
C303
C331
22
47p
25V
C325 0.47
C323 0.47
IC403 IC402 IC B/D
FB403
RESET BU +3.3V REG
0
IC403
PST8228UL 4 5
3
1 VOUT VSS 4
C407
C408
0.1
100
3.3
3
2 NC 10V
Vdd
R401
100k
3 2 1
C402
1
12 13 14
27 28 29 30 31 32 33 34 35 36 37
C308 C312 C318
F001
0.22 10 1
0.5A
C319 16V
36V
1
C313
C317
47
0.22
16V
C306
C314
1
1
C307
220
10V
C330
47
16V
R422
22
1
2
3
4
5
6
Q408
DRA5114E0L
MUTE DRIVE
13.8
MAIN
7 2
R814 BOARD
14.1
0
(3/3)
(Page 25)
13.8
Q407
C409 C444
DRC5114E0L
1000 47
MUTE DRIVE
10V 25V
0
8
9