Haier LT26M1C, Service Manual

Page: 63 / 119

26”LCD TV Haier LT26M1CA&LT26M1C
63
BST
1
IN
2
SW
3
GND
4
EN
5
FB
6
COMP
7
SYNC
8
PAD
9
U903
SC4519S.TRT
C7933
4.7UF10V
FB901
0 OHM 1/8W
CN901 For 26" TV
AZ1117D-5.0-E1 TO-252
R7903
NC/10K OHM 1/10W
3V3SB_EN
C933
NC/1uF/16V
33T3278 15
(2.5mm Pitch)
R939
10K OHM 1/10W
+3V3SB
G1084-33T43Uf 5A/3.3V
C957
0.01uF/25V
R7922
NC/10K OHM 1/10W
CEC uP
3V3SB_EN
Q904
MMBT3904
BL_EN
PS_ON
Dimming
10% tolerance
1.25 x (1+0/100) = 1.25V
R906
NC/10K OHM 1/10W
R7904
0 OHM 1/10W
Philips:R909,R912,R923 NC ;
R922,R906 10K ohm
ACER:R909,R912,R923 10K ohm ;
R922,R906 NC
7V
3V3SB_EN 13
C7934
10uF/25V
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
C
A3
21 22 Friday , April 11, 2008
715T2848-H
< 称爹 >
POWER
T2848-H-X-X-2-032408
R7927 3K OHM 1/10W
R926 100K OHM 1/10W
C926
0.1uF/25V
R7919 10K OHM 1/10W
Q906
MMBT3904
VOUT
2
VIN
3
GN
D
1
U906
R792
0
15K
O
H
M
1/
10
W
R933
0 OHM 1/10W
+
C7920
100uF/16V
R7905
1K OHM 1/10W
D7902 LL4148
Q7903
MMBT3904
R9
2
1
10
K
O
H
M
1/
10W
L902
27uH
C7905
0.1uF/25V
R792
9
10
0 O
H
M
1/
10W
+
C934
100uF/16V
+
C
914
47
0uF
/1
6
V
R915 10K OHM 1/10W
R7918 5.6K OHM 1/10W
C940
1uF/16V
C7929
0.01uF/25V
L901
10uH
C918
NC
C7916
1uF/16V
R9
3
2
2
7
0
O
H
M 1/
10
W
R924 2K OHM 1/10W
+
C7932
100uF/16V
C7901 0.0082uF
R913
4.7K OHM 1/10W
C7908 0.1uF/25V
R7
9
0
2
47
K
O
H
M
1/
10W
C941
0.1uF/25V
R923
10K OHM 1/10W
C938
0.1uF/25V
+3V3SB
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q7901
AP9435GM -5.3A/-30V
C904
10uF/10V
C
910
0.
1uF
/2
5
V
C939
0.1uF/25V
Low ESR
R912
10K OHM 1/10W
R901
0 OHM 1/10W
+
C7921
100uF/16V
D7901
SM340A
R7
9
0
8
7
.5
K
O
H
M 1/
10
W
+
C7903
100uF/16V
C925
0.1uF/25V
C7906
1uF/16V
+
C935
100uF/16V
+
C
7
927
470u
F
/10V
C7930
0.1uF/25V
R909
10K OHM 1/10W
C
7915
0.
1uF
/2
5
V
C902
NC/1uF/16V
R7
9
1
4
47
K
O
H
M 1
/1
0
W
+
C7924
470uF/10V
+
C7919
100uF/16V
C923
NC
R910
10K OHM 1/10W
GN
D
1
VOUT(heat sink)
2
VIN
3
4
4
U902
AME8810-AEGTZ 0.6A/3.3V
FB
1
EN
2
OCSET
3
VCC
4
OUTPUT
5
OUTPUT
6
VSS
7
VSS
8
U905
AP1513SA
C907 0.47uF
C928
0.1uF/25V
+12VSB
+5VSB
DV33
+5VSB
DV33
DV33
+5VSB
+5V
12V
+12VSB
DV10 +5V
DV12_DM +5V DV33
AV25
AV25
AV33
AV12
DV33
DV33
+5V
FB
1
EN
2
OCSET
3
VCC
4
OUTPUT
5
OUTPUT
6
VSS
7
VSS
8
U904
AP1510SA
+5V_TUNER
+3V3SB
BL_ON/OFF 9
BL_DIM 9
POWER_ON/OFF 9
FB904
0 OHM 1/8W
D903
SM340A
+3V3SB_uP
For OTS
Q908
NC/ME2301
P-MOS
Closed to Tuner
+TUNER_5V
1 2
FB903
220 OHM
C953
0.1uF/25V
AME8810AEGTZ
600mA/3.3V
CEC uP
CEC uP
Q910
NC/MMBT3904
R940
NC/10K OHM 1/10W
ADJ/GND
1
OUTPUT
2
INPUT
3
U911
AZ1117D-5.0-E1
+5VSB
+24V
C7922
10uF/10V
R934
0 OHM 1/10W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN901
CONN
R941
NC
Q909
NC/MMBT3904
+5V
7V
VI
3
VO
2
GN
D
1
4
4
U901
R946 1.3K OHM 1% 1/10W
R943 20K OHM 1/10W
D7904
SM240A
C909
1uF/25V
PS_ON
R945
10K OHM 1/10W
C913
0.1uF/25V
L903
27uH
+5V
C7912
0.1uF/25V
12V
+
C955
470uF/10V
C956
NC
R944 2K OHM 1/10W
R942 NC
1
2
3
4
5
6
7
8
9
10
11
12
CN902
NC/CONN
uP default High
C7917
1uF/16V
R947
200 OHM 1W
Q907
NC/MMBT3904
R935
NC
PS_ON_SW 13
Q902
MMBT3904
R7907
4.7K OHM 1/10W
VIN
3
GN
D
1
VOUT
2
TH
4
U908
G1117T63Uf
+
C954
470uF/10V
R7925
1.02K OHM 1/10W 1%
VIN
3
GN
D
1
VOUT
2
TH
4
U907
G1117T63Uf
3V3SB_EN
2A
AME8815BEGT250Z
G1117T63Uf
G1117T63Uf
Low ESR
26" TV 5V
+
C911
100uF/25V
Pull high 3.3V
0.8 x (1+10K/1.3K) = 7V
Low ESR
FB902
BEAD
100nF/NC
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q905
AO4449 -7A/-30V
0.8 x (1+0.75K/2K) = 1.1V