Schematic Diagram - Power Board - Sony HT-CT380 Service Manual

5-16. SCHEMATIC DIAGRAM - POWER Board -

1 2
POWER BOARD
A
ET931
(CHASSIS)
CN901
3P
JL901
AC1 LIVE 1
(AC IN)
NC 2
JL903
B
NEUTRAL 3
LND001
PATTERN
SPARK-GAP
C
D (HEATSINK)
R932
0.47 1W (US, CND)
2.2 1W (Except US, CND)
R934
0.15 2W (US, CND)
0.22 2W (Except US, CND)
E
F
G
HT-CT380/CT381
• See page 48 for IC Block Diagrams.
3 4 5
JL904
(US, CND)
C902 C903
0.001 0.001
250V 250V
F901
5A LF901
250V
JL902
LINE FILTER
C988
0.1
310V
C905 C904
0.33 0.22
310V 310V
(Except US, CND) (US, CND)
IC930
POWER CONTROL
IC930
STR-Y6735 (US, CND)
STR-Y6766B (Except US, CND)
(US, CND)
(Except US, CND)
R997
C930 C935 C938
0
R932
0.1 2200p 680p
1.5kV 1.5kV
(US, CND)
R955 R954 R953
R934
0 4.7 4.7
Q930
2SC5053T100Q
D931
UDZSUSTE-1730B REGULATOR
21.7 22.4
R937
D935
4.7k
UDZSUSTE-1730B
22.3
C941 D939 C937
R935 330 DZ2J24000L 10
2.2k 25V
C931
150p (US, CND) R938
180p (Except US, CND) 27k
D972
KDZTR18B
C933
D932
10
DZ2J15000L
0
6.8
Q931
C936 LTC044EUBFS8TL
0.1
PROTECT DETECT
6 7 8
(Except US, CND)
C906 C908
0.0022 0.0022
250V 250V
TH901
D901
C907 1 D3SB60F3
0.33
310V
~
3
4
~
R901 R914
1.5M C915 C914 0.33
2
0.5W 100 330 1W
450V 200V
(US, CND)
JL978
(Except US, CND)
R944
R944 C939
47k 3W (US, CND)
0.0033 T901
100k 3W (Except US, CND)
400V
POWER
TRANSFORMER
D937 7 8
RR264M-400
D938
6 9
SARS10
D936
RR264M-400 5 10
4 11
JL979
3 12
D930
DZ2J180M0L
2 13
1 14
D942
CRH02(T5R,SONY,XM)
(US, CND)
C940
470p
250V
D934
R947
DZ2J180M0L
4.7
PH930
EL816S1(B)(TA)(DTE-S)
R945
ISOLATOR
100
JL936
1.2 26.6
R936
JL937
25.6
47k
C934 C932
2.2 4700p
47 47
9 10 11
F931
2.5A L967
250V 4.7uH
D967 C970 D973 C990
RB068L100TE25 1000 UDZSUSTE-1730B 47 35V (US, CND)
25V 470 35V (Except US, CND)
C967
2200
35V
D965
FMX-22SL
C965
0.0047
250V
C971
R971 R977 R976
0.01
220k 47k 1.5k
IC931
SHUNT REGULATOR
(US, CND)
IC931
MM1431FNRE
JW902
R987
1k
R965
1k
R978 C980
4.7k 47
35V
C967, C970, C976, C978, C980, C988, C990, D901, LF901, R914, R944,
Note: When C902 to C908, C914, C915,
TH901 and VDR901
on the POWER board are replaced, refer to "BOND FIXATION OF ELECTRIC PARTS" on page 6.
HT-CT380/CT381
Ver. 1.1
12 13 14
ET932
(CHASSIS)
C968 CN902
0.1 10P
JL974
10 AGND
JL973
C976
9 UN12V
47
JL975
35V
8 P_GND
>02S
7 P_GND
6 P_GND
JL976 MAIN
L966
5
PVDD_28V BOARD
2.2uH
(6/6)
4 PVDD_28V
CN1005
3 (Page 43)
PVDD_28V
2 NC
JL977
1
/TH_DET
(Except US, CND)
TH902
Q950
2PA1576R-115
Q950, 952
THERMAL DETECT
R952
1k
Q952
LTC044EUBFS8TL
R951 C978
220k 10
50V