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
All manuals and user guides at all-guides.com
• Refer to page 21 IC Block Diagrams.
3 4 5 6
R744
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
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
22k
DA2J10100L 0.01
100k
C742 R742
25V
220 6.8k
16V 1/10W
C731
DA2J10100L R732
0.01
100k R731
D701
25V
10k
FL -V E
FR -V E FL +VE
Q754 Q703 Q704
MP1620-OPY-MK MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
B C E B C E
2 3 1 2 3 1 2
1
C769 C718 C719
47p 47p 47p
R709
R760
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
-0.5
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
R751 R701
220 220
10V 1k 1k
10V
C751 C701
10
10
50V 50V
[FR] [FL]
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
R779
C779
10
-1.2 0.022
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]
3
D750
L728
MC2838-T112-1
1.7uH
0
C729 R729
-1.4 0.022
10
Q711 50V 0
0
2SA1514KT146S
R730
0
47k
2SA1514KT146S
R327
R714
1.5k 10k
R713
0.22 R715
15k
-1.5
R326
-42.8 R716
33k
68k R328
0
Q712
1k
2SA1514KT146S
R394
330
1W
R392
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
REPLAY DRIVER 1
1
0 0
D355 D350
DA2J10100L DA2J10100L
RY355 RY350
1 1
2 2
CC11
0.01
4 3 4 3
6 6
5 5
13 14 15
Q323,Q325
OVERLOAD DETECT
Q324
2SC3052EF-T1-LEF
C323
R323
33k 220
0
10V
-43.1 3.3
Q323
0
Q325
2SC2713G-TE85L
-43.5
R325
6.8k
3.3
C325
-43.7
10
50V
CN360
5P
1 HP DETECT HEADPHONE
BOARD
3 R-CH C
R395
CL141
330
CL142
CNP790
1W 4
GND
CL143
(Page 20)
5 6
5 L-CH
CL144
H
3 4
R393
1 2
RY360
D360
DA2J10100L
0.7
R361
0
1
0
R363
47k
2
MAIN
3
BOARD
GND 3
BRIDGEABLE_RY (3/3)
4
(Page 17)
5
RR11
TB401
10
8
L
CC13 RR13 7
0.01 10
6
5
SPEAKERS
4
CC12 RR12
3
0.01 10
2
R
RR14 1
10