Hitachi 26LD4550U, Service Manual

Page: 96 / 130

26 ″ LCD TV Hitachi 26LD4550U
95
R7907
4.7K OHM 1/10W
R7925 2K OHM 1/10W
R7905
10K OHM 1/10W
L7901
BEAD
R7916 10K OHM 1/10W
POWER_ON/OFF 10
+5V
POWER_ON/OFF 10
R7923
0 OHM 1/10W
+5VSB
C7902
NC\1uF/16V
+3V3SB
C7
91
1
0
.1u
F
/25
V
POWER_ON/OFF 10
PS_ON
R7909
10K OHM 1/10W
+
C7903
100uF/16V
+3V3SB
C7925
0.1uF/25V
R7924
10K OHM 1/10W
7V
+5V
7V
+
C7921
100uF/16V
+5V
+
C7937
100uF/25V
R7927 100K OHM 1/10W
Q7906
NC/MMBT3904
R7926
1.02K OHM 1/10W 1%
R
792
9
27
0 O
H
M
1
/10
W
C7929
0
.1u
F
/25
V
AV25
+24V
+5V
R7922
10K OHM 1/10W
C7919 NC
U7907
3 2
1 4
VI VO
GN
D
4
C7918
1uF/16V +5V DV10
R7
91
9
10
0 O
H
M
1
/10
W
C7947
10uF/25V AV12
+
C7936
470uF/10V C7941
0.1uF/25V
CN7902
NC/CONN
1
2
3
4
5
6
7
8
9
10
11
12
DV33
C7
9
16
0.
1u
F
/25
V
C7938
0.1uF/25V
AV33
U7909
AZ1117D-5.0-E1
1
2 3
ADJ/GND
OUTPUT INPUT
+
C7922
100uF/16V
R7
9
21 10K
OH
M
1/
10
W
+
C7932
100uF/16V
C7901 0.047uF
L7903 27uH
C7905
0.1uF/25V
DV33
+3V3SB
Q7902
AP9435GM -5.3A/-30V
1
2
3
4
8
7
6
5
S
S
S
G
D
D
D
D
C7931
0.1uF/25V
C7913
1uF/16V
+
C7928
470uF/16V
R7917 5.6K OHM 1/10W
C7926
10uF/10V
+
C7910
100uF/16V
+TUNER_5V
Q7907
AO4449 -7A/-30V
1
2
3
4
8
7
6
5
S
S
S
G
D
D
D
D
16V
D7903
SM340A
Q7908
MMBT3904
R7
92
0
15
K
O
H
M
1
/10W
R7910
NC
R7937
0 OHM 1/8W
C7907 0.47uF
BL_DIM 10
Dimming
DV12_DM
R7902
1K OHM 1/10W
C7904
10uF/10V
+
C7924
47
0u
F
/10
V
DV33
U7904
AP1513SA
1
2
3
4
5
6
7
8
FB
EN
OCSET
VCC OUTPUT
OUTPUT
VSS
VSS
R7930
0 OHM 1/10W
R7912
10K OHM 1/10W
U7902
SC4519S.TRT
1
2
3
4 5
6
7
8
9
BST
IN
SW
GND EN
FB
COMP
SY NC
PAD
Q7905
NC/MMBT3904
FB7901
BEAD
R7911
NC
C7914
0.1uF/25V
Q7903
MMBT3904
+
C7
91
5
47
0U
F
1
6
V
R7935
0 OHM 1/8W
R7934 2K OHM 1/10W
H
A3
21 21 Friday , June 20, 2008
715T3009
< 称爹 >
Power
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
U7906
3 2
1
VIN VOUT
AD
J
R7915
47K OHM 1/10W
DV33
C7942
0.01uF/25V
U7905
2 3
1
VOUT VIN
GN
D
R7936
200 OHM 1W
R7928 3K OHM 1/10W
R7931 1.3K OHM 1% 1/10W
R7903
4.7K OHM 1/10W
AV25
D7904
SM340A
C7930
0.
01u
F
/25
V
+5V_TUNER
BL_EN
+
C7939
470uF/10V
C7912
0.1uF/25V
C7935
0.1uF/25V
16V
C7906
1uF/16V
Q7901
MMBT3904
PS_ON
R
7908
7.
5K
O
H
M
1/
10
W
C7923
NC
BL_ON/OFF 10
Q7904
MMBT3904
R7904 47K OHM 1/10W
DV33
CN7901
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C7934
NC
R7918 10K OHM 1/10W
FB7902
0 OHM 1/8W
R7914
NC
C7933
1uF/25V
C7940
0.1uF/25V
+5V
D7902 LL4148
C7908 220pF
+
C7909
100uF/16V
D7901
SM240A
L7904 27uH
U7908
AP1510SA
1
2
3
4 5
6
7
8
FB
EN
OCSET
VCC OUTPUT
OUTPUT
VSS
VSS
L7902
10uH
U7901
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
C7946
4.7UF10V
DV33
R7932
10K OHM 1/10W
+3V3SB
+5VSB
U7903
3 2
1
VIN VOUT
AD
J
R7901
0 OHM 1/10W
+
C7920
100uF/16V
R7906
10K OHM 1/10W
+5VSB
R7933 20K OHM 1/10W
R7913 NC
C7927
0.1uF/25V
+16VSB
+16VSB
C7917
1uF/16V