Haier LT22M1CW, Service Manual

Page: 42 / 115

22”LCD TV Haier LT22M1CWA&LT22M1CW
42
10. Schematic Diagram
10.1 Main Board
RED
L : W P D ISABLE
R220
3K OHM 1/10W
ZD125
UDZSNP5.6B
1
2
C109
NC/5pF
R202
100 OHM 1/10W
C196
5pF
R198
2.2K OHM 1/10W
R245 NC
HSY NC 4,13
RED
R205 100 OHM 1/10W
R218
1K OHM 1/10W
NEARLY IC
R192
0 OHM 1/10W
GN 4
ZD121
UDZSNP5.6B
1
2
R219
1K OHM 1/10W
U0RX 12
ZD
1
31
VP
OR
T
0
60
310
0KV
05
1
2
Change to 75 OHM 1/8W
C
13
6
33p
F
C191 0.01uF/25V
GRN
ZD124
UDZSNP5.6B
1
2
C194
5pF
RN101
4.7KOHM +-5% 1/16W
1
2
3
4
8
7
6
5
R244 NC
L111
80 OHM
1 2
C
181
470
pF
BLU_GND
HSY NC#
ZD129
UD
ZS
NP
5.
6B
1
2
VGAL_IN
+5VSB
GRN_GND
C106
NC/5pF
ZD127
UDZSNP5.6B
1
2
R196
0 OHM 1/10W
VSY NC 4,13
R
200
7
5 O
H
M
+
-1%
1/
8
W
RN 4
C186 0.01uF/25V
BN 4
AIN0_R 10
R1
91
7
5
O
H
M
+
-1%
1/
8W
D101
BAT54C
3
1
2
C195 0.01uF/25V
GRN
R204
20K OHM 1/10W
VSY NC#
U105
M24C02-WDW6P
1
2
3
4 5
6
7
8
E0
E1
E2
VSS SDA
SCL
WC
VCC
ZD
1
30
VP
OR
T
0
60
310
0KV
05
1
2
R201
0 OHM 1/10W
RP 4
VSY NC#
L101
80 OHM
1 2
R188
0 OHM 1/10W
R206
20K OHM 1/10W
L113
80 OHM
1 2
R2
2
4
30
K
OH
M
1%
1/
10
W
R
223
100
K O
H
M
1
/10
W
HDMIED_WP 14,20
C189 0.01uF/25V
C122
10uF/10V
RED_GND
NEARLY VGA CON.
C101 4700pF
C187
5pF
C
182
470
pF
R197
100 OHM 1/10W
L114
80 OHM
1 2
VGA_PLUGPWR
U0TX 12
GP 4
VGASDA_IN
R203
2.2K OHM 1/10W
R194
39 OHM +-1% 1/10W
R
222
100
K O
H
M
1
/10
W
CN109
PHONEJACK
1
2
3
R248
10K OHM 1/10W
ZD128
UD
ZS
NP
5.
6B
1
2
C192
5pF
CN108
DB15
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
ZD126
UDZSNP5.6B
1
2
H : W P ENABLE
BLU_GND
R2
2
5
30
K
OH
M
1%
1/
10
W
AIN0_L 10
BLU
R221
3K OHM 1/10W
C120
10uF/10V
C107
NC/5pF
C193 0.01uF/25V R199
39 OHM +-1% 1/10W
Q102
MMBT3904
VGASDA_IN
C197
0.1UF16V
C188 0.01uF/25V
HSY NC#
R207 100 OHM 1/10W
R189
39 OHM +-1% 1/10W
BP 4
SOG 4
VGASCL_IN
VGA_PLUGPWR
VGASCL_IN
C
13
5
33p
F
C103
NC/5pF
C190
5pF
R165
NC
GRN_GND
BLU
VGAR_IN
C102
NC/5pF
R1
95
75
O
H
M
+
-1
%
1/
8
W
RED_GND
R193
100 OHM 1/10W
L112
80 OHM
1 2