Schematic Diagram -Main Section (1/3) - Sony CDX-GT50UMS Service Manual

4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
1 2
AEP,UK,RU,AR MODEL E,EA,MX,IND 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 2 +
FRONT
R-CH –
AMP REM
B ANT REM
FL+ FL–
1 9
ACC
RL+ RL–
2 10
GND
RR+ RR–
3 11 BATT
FR+ FR–
4 12
AMP REM
ATT
5 13
C
AEP,UK,RU
ANT REM
MODEL
6 14
ACC
15
7
GND BATT
8 16
ACC GND
D 7 8
ANT REM
5 6
BATT
3 4
1 2
E
F
J801
(REMOTE IN)
G
H
I
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
• See page 24 for IC Block Diagrams.
3 4 5
MAIN BOARD (1/3)
1 9
2 10
3 11
4 12
5 13
6 14
7 15
AEP,UK MODEL
D306
8 16
1A4-A2
CN301
16P
14.4
+B 19 1 2
+B 18
FU601
L301
10A +B
17
250uH
+B
16 AEP,UK,RU
MODEL
TEST 15
R321
ILL 14
1k
TEL-ATT 13
FR- 12
RR- 11
RL- 10
FL- 9
GND 8
R325 4.7k
ACC 7
ANT-REM 6
AMP-REM 5
FR+ 4
RR+ 3
RL+ 2
FL+ 1
FB826
FB802
FB801
D806
R815
RKZ7.5B2KGP1
1k
5.4
Q807
DRC5144E0L
0
BACK-UP CHECK
5.4
D807
R816
RKZ18B2KGP1
1k
0
Q802
DRC5114E0L
BACK-UP CHECK
R858
220k
R862
0
220k
BU_IN 2.7
Q808
2SC4154TP-1EF
BACK-UP CHECK
6 7 8
1 2 3 4 5 6 7 8
C329
0.22
C330
0.22
R319
10k
R316 R318
4.7k 10k
0.6 0.6
Q301 Q303
2SC4154TP-1EF 2SC4154TP-1EF
0
0
ACC DETECT TEL-ATT DETECT
JC363
0
RESET
AEP,UK,RU MODEL
S401
RESET
1
MAIN BOARD
(2/3)
(Page 20)
19 19
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
9 10 11
IC301 IC B/D
IC301
TDF8556AJ/N3 (EXCEPT AEP,UK)
TDF8556AJ/N3/M5 (AEP,UK)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
C305
0.22
AEP,
UK,RU
MODEL
R308 R320
C304
150 47k
0.22
C327
47p
14
IC403
Q407
DRA5114E0L
IC403 MUTE DRIVE
PST8228UL
RESET
4 5
3.1
IC B/D
1 4
VOUT VSS
R401
100k 3.3
IC402
2 VIN NC 3
IC402
C401 TK11133CSCL-G
+3.3V REG
0.1
3 2 1
C445
1000p
C447
100
13.7
10V
Q409
DRC5114E0L
MUTE DRIVE
0
D404 D403
MA2J1110GLS0 MA2J1110GLS0
12 13 14
29 30 31 32 33 34 35 36 37
C312
C308 10
0.22 16V
C306 C313
1 47
16V
C301
0.22
11
12
13
14
15
MAIN
2
0 BOARD
(3/3)
(Page 21)
13.7
16
17
ILL+B