Schematic Diagram - Bar Power Board - Sony HT-ST5000 Service Manual

5-28. SCHEMATIC DIAGRAM - BAR POWER Board -

1 2
A
(CHASSIS)
CN901
AC1
LIVE 1
B (AC IN)
NC 2
NEUTRAL 3
C
D
E
F
G
H
HT-ST5000
• See page 97 for IC Block Diagrams.
3 4
BAR POWER BOARD
ET901
JL905
JL904
F901
3P 6.3A LF901
250V
JL901 JL903
FILTER
JL902
LN901
PATTERN
C902
SPARK-GAP
0.22
VR901
310V
C901 TH901
0.01 UDZSUSTE-172.4B
0
Q901
LSCR523UBFS8TL
17.5
OVERHEAT DETECT
R905 R909
D904
47k 220 DB2J31700L
UDZSUSTE-1730B
R906
R901 47k
100k
17.6
17.5
IC901
Q903
LTA014EUBFS8TL
0.5
PROTECT SWITCH POWER CONTROL
BM1Q002FJ-E2
R902
4.7k
R903 C904
220k
Q902 D902
LSCR523UBFS8TL DZ2J039M0L
17.5
PROTECT DETECT
5 6 7
C906 C910
0.0022 0.0022
250V 250V
TH902
LINE
D909
D3SB60F3
~
– +
(US, CND)
~
C908 R916
0.1 1.5M C916
310V 0.5W 390
200V
D917 R936
0.039
1W
R921
100k
3W
0
R915 S
R911 100k
47
0.7
D905 R914
1k Q907 C913
TK14A65W,S5SOYX(M 330p
147
1kV
POWER ON SWITCH
R910
330k D906
DZ2J10000L
Q905
2SCR513P5T100
D910
REGULATOR
CRH02(T5R,SONY,XM)
17.6 18.2
R918
4.7k R922
18.2
IC901 C912 D907 C915
10 DZ2J220M0L 10
R920
33k
R919
3.3k
C914 D912
0.0047 UDZSUSTE-1730B DA2J10100L
47
R913
33k
95 95
8 9
(AEP, UK)
C918
C920
130 R923
0.001
450V 0.33
250V
1W
C929
0.001
250V
C919
0.0033
400V
T901
POWER
JL906
TRANSFORMER
7
D911
SARS10 JL907
6 9
5 10 D914
LQA20T200C
3 12
4.7
2 13
C921
0.1
PH901
EL816S1(B)(TA)(DTE-S) R925
470
ISOLATOR
JL908
0.5 3 1 27.7
R924
D908
JL909 1k
4 2 26.7
SHUNT REGULATOR
HT-ST5000
10 11 12
C924
0.01 ET902
JL910
(CHASSIS)
CN902
10P
JL911
10 DGND
C923 C925
9 DGND
2700 47
35V 35V
8 P_GND
>01S
7 P_GND
6 P_GND
JL912
AMP
5 PVDD_28V BOARD
L901
(1/3)
4 PVDD_28V
10uH
CN7001
3 PVDD_28V
(Page 83)
2 NC
JL913
1 VACS_REQ
R917
4.7
C922
0.0022
250V
C930
0.0022
250V
R928 R931
100 100
R926
47k
R929
2.2k R932 R935
22k 100
R930 C926
47k 47
35V
C927
0.1
D915
DA2J10100L
D916
DZ2J24000L
C928
0
100p
0.6
Q906
R927 R933 LSCR523UBFS8TL
4.7k 47k
VOLTAGE DETECT
IC902
IC902
MM1431FNRE
Note: When the complete BAR POWER board or D909,
LF901, T901, TH902 or VR901 on the BAR POWER
board is replaced, refer to "BOND FIXED POSITION
OF ELECTRICAL PARTS" on page 9.