Haier LT22M1CWA Service Manual page 60

22"LCD TV
CN901 For 26" TV
CN902 CN901
1 1 Dimming
2 2 PS_ON
BL_EN
3 3
4 4
5 5
6 6
7 7 +5VSB
8 8
9 9
10 10
11 11
12 12 +12VSB
13
14
15 +24V
NC/CONN +5V
CONN
33T3278 15
PS_ON
(2.5mm Pitch)
D7902
+5V
C907 0.47uF
L901
DV33
10uH
+
D903
SM340A
G1084-33T43Uf 5A/3.3V
+5V AV33
U906
3 2
VIN VOUT
+
+
C7920 C925
C7919
0.1uF/25V
100uF/16V
100uF/16V
AME8815BEGT250Z
DV33
AV25
U901
3 2
VI VO
+ C938
C7932 0.1uF/25V
100uF/16V
100uF/25V
DV33
R7905
1K OHM 1/10W
R7904
0 OHM 1/10W
R7907
Q902
BL_DIM
C902 MMBT3904
4.7K OHM 1/10W
NC/1uF/16V
DV33
+3V3SB
R910
10K OHM 1/10W
R939
10K OHM 1/10W
Q904
MMBT3904
R913
BL_ON/OFF
+5V
4.7K OHM 1/10W
26" TV 5V
R934 R941
0 OHM 1/10W NC
R942 NC Pull high 3.3V
R935
Q907 Q909
PS_ON_SW
NC/MMBT3904 NC/MMBT3904
NC
LL4148 U903
9 C7901 0.0082uF R915
PAD
1 8
BST SY NC
2 7 C7908 0.1uF/25V
IN COMP
3 6 R7918 5.6K OHM 1/10W
SW FB
4 5
GND EN
R7919 10K OHM 1/10W
SC4519S.TRT
G1117T63Uf
DV33 U907 DV12_DM
G1117T63Uf
3 2
VIN VOUT
+ C7922
C7921
10uF/10V
100uF/16V
R933
0 OHM 1/10W
0.8 x (1+10K/1.3K) = 7V
C909 U904
12V 1uF/25V 1
FB
R943 20K OHM 1/10W 2
EN
R944 2K OHM 1/10W 3
OCSET
4
VCC
AP1510SA
+
C911 C913
0.1uF/25V
AME8810AEGTZ
600mA/3.3V
+5VSB U902
AME8810-AEGTZ 0.6A/3.3V
3 2
9 VIN VOUT(heat sink)
+ C904
C7903 10uF/10V
100uF/16V
9
CEC uP R7903
NC/10K OHM 1/10W
3V3SB_EN
13 3V3SB_EN
C933
NC/1uF/16V
13
G1117T63Uf
AV25 U908
10K OHM 1/10W G1117T63Uf
3 2
VIN VOUT
+
C934 C939
DV33
100uF/16V 0.1uF/25V
R901
0 OHM 1/10W
C7917
+5V 1uF/16V
R926 100K OHM 1/10W
R7927 3K OHM 1/10W
C926
0.1uF/25V
C923
+ NC
C7930
100nF/NC
0.1uF/25V
R946 1.3K OHM 1% 1/10W
8 L903 C956 R945
VSS
7 NC 10K OHM 1/10W
VSS
6
OUTPUT
5 27uH
OUTPUT
+
Low ESR
C955 C7912
D7904
470uF/10V 0.1uF/25V
SM240A
60
Haier LT22M1CWA&LT22M1CW
For OTS
FB903
1 2
220 OHM
+3V3SB_uP +3V3SB
Q908
NC/ME2301
P-MOS
C7905 R947
200 OHM 1W
0.1uF/25V
+5VSB
R940
NC/10K OHM 1/10W
Q910
NC/MMBT3904
9 POWER_ON/OFF
uP default High
CEC uP
+12VSB
AV12
+
C940 C941 C935
1uF/16V 0.1uF/25V 100uF/16V
CEC uP
1.25 x (1+0/100) = 1.25V
10% tolerance
0.8 x (1+0.75K/2K) = 1.1V
R924
U905
C918 R7925
1 8
L902
FB VSS
NC
2 7 1.02K OHM 1/10W 1%
EN VSS
3 6
OCSET OUTPUT
4 5
27uH
VCC OUTPUT
AP1513SA
+
Low ESR
C7924
D7901 470uF/10V
SM340A
AZ1117D-5.0-E1 TO-252
+TUNER_5V
7V
U911
3 2
INPUT OUTPUT
7V
1
ADJ/GND
AZ1117D-5.0-E1
ACER:R909,R912,R923 10K ohm ;
R922,R906 NC
Philips:R909,R912,R923 NC ;
R922,R906 10K ohm
Q7901
1 8 +5V
+5VSB
S D
2 7
S D
3 6
S D
C7933 4 5
G D
4.7UF10V
AP9435GM -5.3A/-30V
+3V3SB
R909
10K OHM 1/10W
R912
Q7903
10K OHM 1/10W MMBT3904
C7906
1uF/16V
R7922
3V3SB_EN
NC/10K OHM 1/10W
Q905
1 8 12V
S D
2 7
S D
3 6
S D
C7934 4 5
G D
10uF/25V
AO4449 -7A/-30V
R923
Q906
10K OHM 1/10W MMBT3904
C7916
1uF/16V
R906
3V3SB_EN
NC/10K OHM 1/10W
2K OHM 1/10W
DV10
FB901 FB904
0 OHM 1/8W 0 OHM 1/8W
C928 C957
C7929
0.1uF/25V 0.01uF/25V
0.01uF/25V
+5V_TUNER
2A
FB902
BEAD
C953
+
C954
0.1uF/25V Low ESR
470uF/10V
Closed to Tuner