Sony RDR-GX300 Service Manual page 54

RDR-GX300
1 2 3
AV-84 BOARD(3/8)
AUDIO OUT NO MARK:REC/PB MODE
A
-REF.NO.:10000 SERIES-
CN503 25P
JL515
SPDIFO 1
JL529
DGND 2
JL530
Rch+ 3
RMUTE 4
JL531
Rch- 5
B
AUGND 6
JL532
AUGND 7
JL533
A5V 8
JL534
Lch+ 9
JL535
LMUTE 10
JL536
Lch- 11
DGND 12
TO
JL537
RD-050 BOARD(1/19)
DGND 13
CN1903
C
(SEE PAGE 4-29) AGND 14
JL516
V 15
DGND 16
JL517
C 17
DGND 18
JL518
Y 19
DGND 20
JL519
Y/G 21
D
DGND 22
JL520
CB/B 23
JL521
XVMUTE 24
JL522
CR/R 25
E
VOUT_GND
B+
UNSW5V
B+
UNSW12V
C302
F
47u
16V
3
TO(1/8)
G
B-
UNSW-8V
C301
47u
16V
3.3
SW3.3V
B+
H
GND
16
AUDIO OUT
AV-84 (3/8)
4 5
R310
4700
±
0.5%
R311
4700
±
0.5%
B+
R314
5600
±
0.5%
B-
V
C
Y
13
TO(7/8)
Y/G
CB/B
XVMUTE
CR/R
R315
R312
5600
4700
±
± 0.5%
0.5%
R313
4700
±
0.5%
B+
Q304
2SB1561T100Q
R302
1k
12.2 12.2
2
JL302 1
R303
R307
11.5 470
10k
R309
5600
B-
-7.8
Q303
R304
MSD601-RT1
220k
-7.2
R308
-7.9 100k
-7.9 -7.9
R324
0
JL301
Q302
2SD1781K-T146-QR
-7.2
R305
10k
C304 C306
R306
47u 47u
3.3 10k
16V 16V
JL303
Q301
Q301-304
MUN2111T1
POWER SWITCH
4-11
6 7 8
R320
2200
C313
R323
560p
5600
CH ± IC302
0.5%
50V
C310 C314
C316 AUDIO AMP
150p R317 180p
47u
CH CH R326
2200
16V
50V 50V 470
4 3 2 1 0
C319
R330 -7.8
0.1u
47k
B
R331
C320
-7.8
0.1u 47k
B
16V
5 6 7 8
0
Q309,310
AUDIO MUTE
C311 C315
B+
150p 180p
CH CH
50V 50V
C317 R327
R316
47u 470
2200
16V
C312
R321
560p
5600
CH
±
0.5%
50V
Q305,307,311
Q311
POWER MUTE
D301
MSB709-RT1
M1MA152WK-T1
10.5 -7.8
3
C321
R334
1u
10k
50V
10.5
IC301
NJM78M05DL1A-TE1
R338
10k
R332
Q307
10k
DTC124TKA-T146 10.5
0.1
Q305
MUN2213T1
R335
2.8 47k 1 2 3
C318
220u
16V
B+
IC301
5V REG
C307
0.01u
B
25V
9 10 11
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
R354
R343
470
100k
R355
470
R362
4700
C327 C330
100p
100p
CH
CH
50V 50V
C326 C329
100p 100p
R352
CH CH
470
R340 50V 50V
4700
R353
470
B+
R346
1k
Q313
MSD601-RT1
R345 C333
1k 0.1u
B
R350
C324
68
47u
16V
R347 R348
1k 220
5
C328
4
47u
16V
B+
B+
C308
C309
0.01u
47u
B
16V
25V
4-12
12 13
AUDIO
SIGNAL
PSD_GND
AUOUTR1
AUOUTR2
AU_GND 14
TO(7/8)
AUOUTL1
AUOUTL2
SWA5V 10
TO(2/8)
J301
DIGITAL OUT
COAXIAL
3 GND
2 VCC OPTICAL
1 D IN