Haier LTF42K1, Руководство по обслуживанию, Страница: 57 / 141

42 ″ &47 ″ LCD TV Haier LTF42K1&LTF47K1
57
2) Power-2
AV12
C155
10U 10V
R168
N
C
/6
8K
O
H
M
+
-5
%
1/
1
0W
N/C
D150 NC/BAS32L
1 2
A K
C172
NC/10uF/16V
N/C
+12V 1,9,13
2K2
1K2
R161
NC/-1% 1/10W
PANEL
VCC:+12V
+5V_SW 1,5,8,9,10,11,12,13,14
R
167
N
C
/10K
O
H
M
1
%
1
/10W
N/C
Vo=1.25 x (1+120R/120R) = 2.5V
MUN2211TIG
22P
N/C
N/C
C163
+5V_STB
1K
R160
AV33
DV33
Q151
BC847C
N/C
Vo=1.25 x (1+1R/120R) = 1.26V
N/C
SMD/0402
+5V_TUNER
R166
NC/2R2 1/8W 5%
C166
100N 16V
+5V_STB TO DV33SB
R167
N/C
D150
AV33
ZD150
NC/SS3P4
1
2
U159
LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
220uF/16V
10uF
15UH
AV25
+12V
1.22(1+20K//51K/4K7)=4.92V
N/C
+5V1_TUN
SMD/0402
4U7
N/C
+12V
AV12
N/C
N/C
DV33 1,4,5,7,8,11,12,13,14
N/C
+5V_TUNER 3
FB150 NC/220R/2000mA
1 2
+5V1_TUN
GND 1,3,4,5,6,7,8,9,10,11,12,13,14
/AD
J
U153
LD1117ADT-TR
3
1
2
VIN
GN
D
VOUT
Q150
+5V_SW
C163
NC/100N 16V
N/C
AV25 TO AV12
R1
7
3
53
.6
K
O
H
M
1%
1
/10
W
SI5441
DV33
C173
100N 16V
C165
AV25
+
C154
NC/220uF 16V
N/C
100P
DV18_CI 8
Q155
NC/MUN2211TIG
ZD150 NEARLY U155
220N
C171
NC/10U 10V Y5V
PANEL5V
+12V
C185
NC/330P 50V
PANEL
VCC: +5V
PANEL_VCC_ON/OFF
DV18_CI
C167
U156
LD1117S33TR
3 2
1 4
VI VO
GN
D
4
C1
8
4
N
C
/1
00
P
50V
R158
2N2
L150 NEARLY U155
MUN2211TIG
C185
N/C
R208
NC/0R05 1/10W 5%
C168
10U 10V
0R
N/C
DV33SB
+5V_STB 1,5,13
GND
+ C161
100uF 10V
N/C
ITEM
R133
5K1 1/10W 5%
R165
NC/10K OHM 1% 1/10W
C
174
NC
/2
N2
5
0
V
+ C150
100uF 10V
+5V_SW
R157
Add Thermal Pad
+24V
+
C177
470uF 16V
C184
ZD150
R153
DV18_DDR 1,6
C157
NC/4.7uF25V
R164
36K 1/10W 5%
R171
NC/-5% 1/10W
C172
N/C
AV33 3,5,10,11,12,13,14
22U
BC847C
R165
U158 LD1117S18
3 2
1 4
VI VO
GN
D
4
N/C
Q152
NC/MUN2211TIG
C151
100N 16V
C1
70 N
C
/2
2
P
5
0
V
R162
1
20R
1%
1/
1
0W
+5V_TUNER FROM Regulator
N/C
DV33 TO DV18_CI
DV33SB 4,5,7,10,12,13,14
DV33
N/C
PANEL_VCC_ON/OFF 5
+ C162
100uF 16V
10uF
C187 +5V_SW TO AV25
R159
C176
100N 16V
C167
10U 16V
R168
N/C
DV18_CI
C165
NC/220N 25V
R153
NC/0R05 1/4W
39K
+5V1_TUN 1
+24V 1,13
Q152
R
174
4K
7
1/
1
0W
1%
Q150
SI5441DC
1
2
3
4 5
6
7
8
D
D
D
G S
D
D
D
SMD/0402
R166
SC4525B
DV33SB
+5V_SW TO AV33
+12V
FB151 0 OHM +-5% 1/8W
C160
100N 16V
R161
R159
-5% 1/10W
22N
10K
R152
12
0R
1% 1
/10
W
N/C
PANEL_VCC
AV25 3
PANEL_VCC_ON/OFF
DV18_DDR
R151
120R 1% 1/10W
0R
U154
LD1117S-TR
3
1
2
4
VIN
GN
D
VOUT
TH
N/C
+5V_STB
PANEL_VCC
Panel VCC=5V
N/C
U152
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
PANEL_VCC_ON/OFF
U155
R171
2R2
R158
-5% 1/10W
+ C159
100uF 10V
N/C
R1
6
0
N
C
/1K
2
1/
10
W
1%
+5V_TUNER
C157
1K
DV18_DDR
N/C
PANEL_VCC
R164
N/C
56K
C175
10U 10V
C187
NC/22N 16V
C158
100N 16V
C169
100N 16V
L150 NC/15uH
/AD
J
U151
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
Panel VCC deviation
AV12 5,6,10,12,14
N/C
C172 NEARLY U155
C154
N/C
100N
+5V_SW
C156
100N 16V
AV25
R157
47K 1/10W 5%
C174
R1
7
2
20
K
1
/10
W
1%
C133 1uF/16V
R155
C156
C170
0R
PANEL_VCC 14
DV18_CI
R163
1 OHM +-5% 1/10W
100N
N/C
Q155
68K
+5V_SW TO DV33
L150
R176
NC/0R05 1/8W
+
C152
470uF 16V
+5V_SW
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
330P
10K
SS3P4
BAS32L
U155
NC/SC4525BSETRT
1
2
3
4
8
7
6
5
9
SW
IN
ROSC
GND
BST
FB
COMP
SS/EN
TH
1
Q151
R176
N/C
10K
C164
100N 16V
C153
10U 10V
N/C
N/C
PANEL5V
Panel VCC=12V
C171
DV18_DDR TO DV18_CI