Schematic Diagram - Main Board 2/3 - Sony STR-DH130 Service Manual

STR-DH130
4-5. SCHEMATIC DIAGRAM — MAIN BOARD 2/3
1 2
MAIN BOARD (2/3)
A
B
US, CND ONLY
CNP250
4P
THERMAL +3.3V 1
C
BOARD
E R3_GND 2
CN250
TEMP_SENSOR_1 3
(Page 20)
TEMP_SENSOR_2 4
TEMP_SENSOR_2
TEMP_SENSOR_1
R3_GND
D
+3.3V
MAIN
VACS_IN
BOARD PROTECT
1
SPK_A_RY
(1/3)
SPK_B_RY
(Page 15)
HP_DETECT
HP_RY
BRIDGEABLE_RY
GND
OUTFR
E
OUTFL
F
G
H
I
J
STR-DH130
• Refer to page 21 IC Block Diagrams.
3 4 5 6
R744
22k
R743
22k
FR +VE
CL481
Q753
CL482
MN2488-OPY-MK
CL483
B C E
CL484
1 2 3
C768
47p
R759
100
R757
82k
R756
2.2k
-1.0
-0.5
C757
1.1 0.4 47
25V
IC700
IC700
STK350-630TS-E
PRE DRIVER
15 14
-43.6 43.6
C724
100p
100V
7 8 9
R781
C781
D751 R782
10k
DA2J10100L 0.01
100k
C742 R742
25V
220 6.8k
16V
1/10W
C731
DA2J10100L R732
0.01
R731
D701 100k
25V
10k
FR -V E FL +VE FL -V E
Q754 Q703 Q704
MP1620-OPY-MK MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
B C E B C E
1 2 3 1 2 3
1 2 3
C769 C718 C719
47p 47p 47p
R760 R709
100
100
R707
R708
R758
82k
560
560
Q701 - Q704
Q751 - Q754
R706 0.5
0.4
POWER AMP
2.2k
-1.0
-1.0
-1.0
-0.5
Q701
2SA1162-YG-TE85L
C707
0.5
1.1
47
25V
13 12 11 10 9 8 7 6 5 4 3 2 1
43.6 1.1 -1.0 -42.3 0.1 0.1 0 0 0 -42.3 -1.0 1.2
C763
C713
12p
12p
C725
100p
100V
C765
4p
C715
4p
C752 C702 R546
R754
100p 100p R704
0.47
68k R753 R703
68k
2.2k 2.2k
R752 R702
68k 68k
C756 C706
220 R751 R701 220
10V 1k 1k
10V
C701
C751
10 10
50V
50V
[FR] [FL]
REPLAY DRIVER
16 16
10 11 12
Q711,Q712
Q761,Q762
CURRENT DETECTOR
R778
4.7
[FR]
C761
R761 L778
220p
4.7k 0 1.7uH
50V
C779 R779
-1.2 0.022 10
R762
Q761 50V
6.2k 0
2SA1514KT146S
R780
47k
R763
R765
0.22
15 k
-1.2
R766
-42.9
Q762 68 k
0
2SA1514KT146S
R728 4.7
[FL]
D750
L728
1.7uH MC2838-T112-1
0
C729 R729
R323
-1.4 0.022
10
33k
Q711 50V 0
0
2SA1514KT146S
-43.1
R730
0 Q323
47k
2SA1514KT146S
R714 R327
1.5k 10k
R713
0.22 R715
15k
-1.5
R326
-42.8
R716
33k
68k R328
0
Q712
1k
2SA1514KT146S
R394 R395
330 330
1W 1W
R392 R393
3301W 3301W
Q360
2SC3052EF-T1-LEF
RELAY DRIVER
R355 R350
2.2k 2.2k
R358 R353
47k 47k
0 0
14.0
13.9
Q350,Q355 R351
R356 1
1
0 0
D355 D350
DA2J10100L DA2J10100L
RY355 RY350
2 1 2 1
RR11
CC11
10
0.01
4 3 4 3
6 6 CC13
5 5
0.01
CC12
0.01
RR14
10
13 14 15
Q323,Q325
OVERLOAD DETECT
Q324
2SC3052EF-T1-LEF
C323
220
0
10V
3.3
0
Q325
2SC2713G-TE85L
-43.5
R325
6.8k
3.3
C325
10 -43.7
50V
CN360
5P
1 HP DETECT HEADPHONE
BOARD
3 R-CH C
CL141
CL142
CNP790
4 GND
CL143
(Page 20)
5 6
5
L-CH
CL144
H
3 4
1 2
RY360
D360
DA2J10100L
0.7
R361
0
1
0
R363
47k
2
MAIN
3
BOARD
3
GND
(3/3)
BRIDGEABLE_RY
4
(Page 17)
5
TB401
8 L
RR13
7
10
6
5
SPEAKERS
4
RR12
3
10
2
R
1