Read Sony STR-DH800 (serv.man2) Service Manual online
STR-DH800
STR-DH800
14
14
2-12. SCHEMATIC DIAGRAM - STANDBY DCDC Board -
DIGITAL
BOARD
CN2000
D
(3/4)
MAIN
BOARD
CN553
N
(3/3)
MAIN
BOARD
CN554
P
(3/3)
5
8.3
0
0.6
2.9
15.7
0.1
15.7
8.3
16.3
9.1
15.9
2.4
5
6.1
15.9
2.4
3.3
4.3
15.9
0.1
0.8
0.1
1
3
3P
CNP906
L
2
NC
N
FH900
F900
FH901
2SC3052EF-T1-LEF
Q910
2SC3052EF-T1-LEF
Q905
TH921
RT1N241C-TP-1
Q913
RT1N241C-TP-1
Q911
3.3k
R910
50V
10
C920
4.7
R920
10k
R914
3.3k
R913
2SB734-T-34
Q912
2.2k
R904
UDZSUSTE-176.2B
D910
10k
R903
25V
470
C900
22k
R912
0.1
C901
10k
R905
10EDB40-TB5
D900
JL906
JL905
JL904
JL903
JL902
JL901
JL900
1SR154-400TE-25
D903
1SR154-400TE-25
D901
1SR154-400TE-25
D904
1SR154-400TE-25
D902
MA2J1110GLS0
D907
RY900
25V
2200
C921
25V
2200
C922
0.1
C923
JW901
1
4
4P
CNP901
L(U’120V, CE’230V)
N
35V
C962
1000
16V
1000
C950
0.1
C951
C918
0.47
100uH
L952
C919
0.47
16V
C960
1000
C961
0.1
CL901
L963
100uH
220
R950
330
R951
CL902
L951
100uH
1
2
3
4
5
SI-8050S-LF1101
IC950
35V
1000
C952
1k
R952
1
2
3
4
5
SI-8033S
IC960
~
~
D5SBA20-4003
D908
C912
6800
25V
C911
1000
25V
0.47
C915
25V
47
C916
VCC
GND
OUT
BA50BC0T
IC900
1
2
3
L961
100uH
CL906
CL907
CL900
CL909
CL910
MC2838-T1
12-1
D905
1
12
3
4
5
6
7
8
9
10
11
12P
NO903
+6.2V
STBY_GND
+6.2V
2
NC
DGND
DGND
+4V
+4V
POWER RELAY
STOP
STBY_Supply(+5V)
STBY_GND
1
3
4
5
6
6P
NO904
+6.2V
D_GND
2
NC
D_GND
+4V
+4V
CL908
I
O
G
KIA7809API-U/PF
IC901
1
2
3
RB051LA-40TR
D960
RB060M-30
D950
250V
3.15A
F901
250V
3.15A
F902
1
2
3
4
4P
CNP907
R3 AC
NC
2
NC
3
NC
CENTER
R3 AC
R962
1.5k
10
9
3
2
11
1
4
5
8
7
6
T910
10
9
3
2
11
1
4
5
8
7
6
T911
R960
680
R961
470
1
2
3
4
5
5P
CN905
-15V
GND
GND
+15v
100V
0.22
C913
100V
0.22
C914
IC900
+5V REGULATOR
IC901
+9V REGULATOR
IC960
+4V REGULATOR
+6.2V REGULATOR
IC950
GND
GND
STANDBY DCDC BOARD
TRANSFORMER
SUB POWER
TRANSFORMER
SUB POWER
T3.15AL 250V (AEP, RU, UK, AUS, TH)
8A 125V (US, CND)
AC OFF DETECT
RELAY DRIVE
Q911-913
REGULATOR
SW OUT
VIN
VOS
S.S
SW OUT
VIN
S.S
B920
(CHASSIS)
VOS
NC
(AC IN)
T901
MAIN POWER
TRANSFORMER
4
B
6
9
11
D
H
10
3
5
12
C
F
1
E
8
G
14
A
2
13
7
(US, CND)
(TW)
(AEP, RU, UK, AUS, TH)
HDMI
BOARD
CN3507
T
(2/2)
Refer to page
31 on original
31 on original
service manual
T5AL 250V (TW)
VIDEO
BOARD
NO200
U
Refer to page
35 on original
35 on original
service manual
10
9
3
2
11
1
4
5
8
7
6
T915
TRANSFORMER
SUB POWER
(Page 7)
(Page 12)
(Page 12)
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