Main Board (Conductor Side); Schematic Diagram - Main Board (1/4) - Sony STR-DH540 Service Manual

STR-DH540
Ver. 1.1
5-19. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
1 2 3
MAIN BOARD
A
8
7
9
B
10
6
MAIN BOARD
1
(1/4)
(Page 33)
C
2
4
1
3
5
D
E
F
MAIN BOARD
12
2
(1/4)
11
(Page 33) 13
G
MAIN BOARD
21
5
22
(4/4)
23
(Page 36)
24
H
B,FL,V,RY 1
PROTECTOR 2
ACLASS 3
4
SBL/SBR
FOR REFER SR/SL 5
INDICATION
C 6
7
FL/FR
W001
CHASIS 8
I
PHASE 9
DIG 10
GP801
10P
J
K
STR-DH540
4 5 6 7
(2/4)
Q320
2SA1514KT146S
Q321
PROTECTOR
2PD601ART
PROTECTOR
-62
3.3
0
0
C320
R320
220
22k
10V
C323
R323
220
22k
10V
Q323 0
2SA1514KT146S
0 D327
PROTECTOR
-62 3.3 BAV70
Q324
2PD601ART
PROTECTOR
R327
R325
10k
6.8k
3.3
Q325
D326 -62
2SC2713-G
BAV70
PROTECTOR
C325
R326
R328 10 -62
39k
1k 50V
R355 R367
1k 1k
R358 R366
47k 47k
0.8 0.8
Q355 Q365
0.2 0.2
2PD601ART 2PD601ART
RELAY DRIVER RELAY DRIVER
D355 D365
DA2J10100L DA2J10100L
RY355 RY365
12V 12V
1 2 1 2
3 4 3 4
5 6 5 6
CC15 CC14 CC13 CC12
0.01
0.01 0.01 0.01
RR15 RR14 RR13 RR12
10 10 10 10
TB502
1 2 7 3 4 5 6
1 2 5 3 4
4P
R L CENTER R
SURROUND
FRONT
SPEAKERS
8 9 10
HP_DET
R392 R393
330 330
FR_OUT
FL_OUT
R394 R395
330 330
6 5
4 3
1
2
RY921
PROTECT
12V
D375
DA2J10100L
14
Q375
0
2PD601ART
RELAY DRIVER
R378
47k
R375
2.2k
HP
R350
2.2k
R353
47k
0.8
Q350
0.2
2PD601ART
RELAY DRIVER
D350
DA2J10100L
RY350
12V
1 2
3 4
5 6
CC11
0.01
RR11
10
TB501
8
6P
L
34 34
11 12 13 14
CL364
CL362
CL363
C322
0.01
CL354
D910 - D913
1SR154-400TE-25
D910
F910
D911 D912 C910
2.5A 250V
0.47 CL366
C911
D913 0.47
CL367
CL368
F911
2.5A 250V
D921
D5SBA60-F
C934
C930
0.1
6800
71V
F912
6.3A 250V CL369
C931
6800
7 CL370
71V
C935
6
0.1 8 CL371
4 CL373
3
5 CL372
1 2 F913
6.3A 250V
RY920
R920
33
D920
DA2J10100L
R921
0.1
2.2k Q920
0.8
2PD601ART
R925
RELAY DRIVER
47k
15 16 17
MAIN BOARD
6
25
(3/4)
(Page 35)
CN391
4P
HEADPHONE
1 HP DETECT
BOARD
I
2 R-CH
CN107
3 GND
4 LCH
(Page 45)
CNP930
5P
POWER
1 R2 AC
TRANSFORMER
2
J
(MAIN)
3 CENTER TAP
4 NC T901
R2 AC
5
(Page 42)
CNP920
5P
POWER
R1 (UPPER TAP)
TRANSFORMER
R1 (LOWER TAP)
K
(MAIN)
R1 GND
T901
R1 (LOWER TAP)
R1 (UPPER TAP)
(Page 42)