Hitachi 22LD4550U, Service Manual

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22 ″ LCD TV Hitachi 22LD4550U
96
9.2 Power Board
CN901
SOCKET
1 2
3
D901
FR107
+5V
+12V
+
C914
1000uF M 16V
ZD901
NC
1
2
+
C917
1000uF25V
R908
100K OHM 2W
ZD920
RLZ13B
1B
A3
2 3 Thursday , February 28, 2008
< 称爹 >
02.POWER
715T2783 1B 2
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
D909
LL4148
+
C915
470uF/16V
R907
10 OHM 1/8W
HS2
HEAT SINK (D904)
1
2
+5V
!
R903
100 OHM 1/4W
R934
100 OHM 1/4W
NR901
NTCR
*2
R902
680K OHM 1/4W
C919
100N 50V
IC903
PC123X2YFZOF
1
2
4
3
C921
0.001uF
F903
JUMP
R938
10K 1/8W
IC901
LD7575A
1
2
3
4 5
6
7
8
RT
COMP
CS
GNDOUT
VCC
NC
HV
!
R905
8.2K OHM 1/4W
R919
100 OHM 1/4W
D902
FR103
F902
JUMP
C903
0.47uF/275V
R943
470 OHM +-5% 1/4W
FG
D910
NC
D906
SP20150R
1
2
3
+
C905
120uF450V
FG
HS3
HEAT SINK(D906)
1
2
R920
100 OHM 1/4W
CN902
CONN
1
2
3
4
5
6
7
8
9
10
11
-
+
BD901
GBU408
2
1
3
4
+12V
L902
L
1 4
2 3
D904
SP10100
1
2
3
C906
2200pF
R901
6-5% 1/4W
!
R900
680K OHM 1/4W
C900
NC
R930
2.-1% 1/8W
!
R929
33K OHM 1% 1/8W
R940
150 OHM 2W
R909
3.3 OHM 1/4W
C920
0.1uF
R936
1K 1/4W
R904
8.2K OHM 1/4W
C923
470pF/25V
C932
0.001uF
C924
220pF
R937
NC
F901
FUSE
C912
0.022uF/25V
R922
200 OHM 1/8W
80TL19T 33 S
R928
0OHM 1/8W
L903
3.5uH
!
C916
0.1uF
IC902
KIA431
R924
NC
R935
100 OHM 1/4W
C925
NC
R914
0.39 OHM +-5% 2WS
C901
0.001uF/250V
ZD9
03 NC
1
2
+
C918
1000uF25V
4.0A/250V
VAR901
NC
Q903
PMBS3904
FB901
JUMP
1
2
R941
100K OHM 1% 1/8W
R931
NC
ON/OFF
+ C930
1000uF M 16V
C907
NC
R925
150R 1/8W
HS1
HEAT SINK(Q901)
1
2
R912
22 OHM 1/8W
!
C902
0.001uF/250V
T901
POWER X'FMR
4
8
5
6
2
3
11
10
12
9
7
DIM
!
C927
0.1uF
+ C922
470uF/25V
R927
3.6K OHM 1% 1/8W
C929
0.001uF
+ C908
22uF/50V
L904
3.5uH
FG
Q901
STP10NK70ZFP
ZD902
NC
R918
100 OHM 1/4W
C931
0.001uF/250V