Haier LT42M1CF, Service Manual

Page: 43 / 111

42”LCD TV Haier LT42M1CFA&LT42M1CF
43
DV18_12_DM
N/C
10N
GND
R170
NC/0R05 1/10W
HV TYPE
DV18_12_DM
+ C150
100uF 16V
N/C
SMD/0402
TPS5430
C165
NC/100N 50V
C163
47UF/16V
470U
R161
NC/4.7KOHM +-1% 1/10W
C153
10uF 10V
R158
PANEL
VCC: +5V
AV25
+3V3SB 2,12
C164
100N 16V
C151
100N 16V
PANEL
VCC:+12V
SMD
+5V_STB
+5V1_TUN
C160
100N 16V
+3V3SB
N/C
D150
RGP15D
1
2
A
K
15K
HV TYPE
+5V_TUNER FROM +5V1_TUN
AV12
R156 NC/1.5 OHM 1/4W
R176
+5V_SW
GND 2,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
Q151
N/C
C173
100N 16V
+ C170
100uF 16V
DV33 TO DV18_12_DM
N/C
R171
NC/0R05 1/10W
Vo=1.25 x (1+1R/120R) = 1.26V
47UF/16V
DV18_12_DM
R157
N/C
NO
U159
+5V_SW TO AV33
C154
N/C
+
C159
100uF 16V
C1
76
N
C
/1
N 2
5
V
DV33SB
R
174
N
C
/4.
7K
O
H
M
+
-1
%
1/
10W
R175
N/C
R164
1K 1/10W 5%
N/C
R161
FB150
Panel VCC=12V
0R
SMD/0402
C178
U152
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
+5V_STB 2,10,12
SMD/0402
Q150
SI5441DC
1
2
3
4 5
6
7
8
D
D
D
G
S
D
D
D
R167
1 OHM +-5% 1/10W
+ C155
100uF 16V
ITEM
PANEL_VCC_ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
1.22 x (1+15K/4.7K) = 5.1V
DV18_CI 11
N/C
R163
1 OHM +-5% 1/10W
L150
Add Thermal Pad
DV33
DV33
/AD
J
U154
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
20K
Add Thermal Pad
+5V_TUNER 4
R1
5
9
10K
1/
10W
R164
C150 E2 C151 A3
C152 G8 C153 E3
C154 B8 C155 A4
C156 E6 C157 E8
C158 E1 C159 A2
C160 C1 C161 C2
C162 E4 C163 B7
C164 E3 C165 B6
C166 A1 C167 E8
C168 C1 C169 F3
C170 F4 C171 G3
C172 B6 C173 G1
C174 C7 C175 G2
C176 G7 C177 G5
C178 G6 D150 B1
D151 B7 FB150 B3
L150 B8 Q150 D7
Q151 E7 R151 C2
R152 C2 R153 C6
R154 B6 R155 D7
R156 C3 R157 E7
R158 E6 R159 E7
R160 B7 R161 B8
R162 E4 R163 E4
R164 E7 R165 F4
R166 A8 R167 G4
R168 C3 R169 B7
R170 F2 R171 B7
R172 G7 R173 G7
R174 G6 R175 F8
R176 A6 R177 A6
U151 A1 U152 A3
U153 C1 U154 D3
U155 A7 U156 F3
U157 E1 U158 G1
C173
U158
C175
Us e new com p
MT5133
+
C172
N
C
/470
uF
3
5
V
N/C
MT5131
NO
SMD
2K2
AV33
DV18_CI
/A
DJ
U153
LD1117ADT-TR
3
1
2
VIN
GN
D
VOUT
4K7
C168
10uF 10V
1N/25V
+5V_SW 2,8,11,13,14,15,16,17,18
AV12 8,14,16
Add Thermal Pad
SMD
N/C
N/C
PANEL_VCC_ON/OFF 7
+5V_SW TO AV25
N/C
+24V
Panel VCC=5V
SI5441
1K
N/C
+24V
C157
4.7uF25V
N/C
POWER
32"/37"
PANEL_VCC
C172
100N
SMD
SMD
R155
0R05 1/8W
R153
N/C
N/C
+5V_SW
+5V_TUNER
R170
U159
NC/LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
N/C
0R
AV25 4,15
+5V_TUNER R177
NC/0R05 1/4W
C1
56
10
0N
1
6
V
+5V1_TUN
PANEL_VCC 18
Vo=1.25 x (1+120R/120R) = 2.5V
E428M2NBW9H3N 1
Haier 42" MAIN BOARD C
3 19 Friday , April 11, 2008
715T2913-1
< 称爹 >
03. POWER-2
T2913-1-Haier42
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
PANEL_VCC_ON/OFF
22U
22U
N/C
+3V3SB
U155
C156
AV25 TO AV12
R158
1K 1/10W 5%
L150 NC/22uH
R171
Vo=1.25 x (1+1R/120R) = 1.26V
0R + C152
470uF 16V
N/C
YES
PANEL_VCC_ON/OFF
C169
100N 16V
10K
YES
Q151
BC847C
100R
+ C178
NC/47uF 16V
+5V_STB TO +3V3SB(For CEC MCU)
N/C
1K
Add Thermal Pad
+5V_TUNER
PANEL_VCC_ON/OFF
C166
100N 16V
C157
N/C
N/C
U155
NC/TPS5430DDAR
1
2
3
4 5
6
7
8
9
BOOT
NC
NC
VSENSE ENA
GND
VIN
PH G
-pad
SMD
AV33 5,8,16,17,18
R168 NC/1.5 OHM 1/4W
N/C
DV18_12_DM 5
R1
6
2
1
2
0
O
H
M
+
-1
%
1/
10
W
/AD
J
U156
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
DV33
0R
N/C
PANEL5V
R169
NC/56R 1/8W
U158 LD1117S18
3 2
1 4
VI VO
GN
D
4
C171
10uF 10V
C158
100N 16V
N/C
0R
+5V_SW TO DV33
LD39080
Q150
N/C
R176
NC/0R05 1/4W
R166
NC/-1% 1/10W
+ C161
100uF 16V
SMD
R
152
1
20 O
H
M
+
-1%
1/
10
W
D1
51
N
C
/S
S3
P4
1
2
Add Thermal Pad
+5V_STB
PANEL_VCC
BC847C
C176
FB150 220R/2000mA
1 2
N/C
C165
C177
+12V
/ADJ
U151
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
330U
Vo=1.25 x (1+270R/120R) = 1.8V
ITEM
+12V 2,17
R
172
N
C
/20K
O
H
M
+
-1%
1/
10W
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
+ C162
100uF 16V
AV33
C163
NC/10N 50V
R154
NC/100 OHM +-5% 1/10W
DV18_CI
R154
4U7
D151
+5V1_TUN
R159
N/C
100N
4K7
+5V_TUNER deviation
of different Power board
+5V_SW
DV33 2,5,6,7,10,11,16,17,18
C175
10uF 10V
SMD/0402
C174
NC/330P 50V
PANEL_VCC
+5V_SW
AV12
/A
DJ
U157
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
R157
2K2 1/10W 5%
N/C
BEAD
+12V
DV18_CI
R153
NC/0R05 1/8W
AV25
R
173
N
C
/51K
O
H
M
+
-1%
1/
10W
The item of this page start from "150"
R166
SS3P4
R1
65
12
0 O
H
M
+
-1
%
1/
10W
+5V_TUNER FROM Regulator
+5V1_TUN 2
+ C177
NC/47uF 16V
DV33 TO DV18_CI
R172
R160
NC/56R 1/8W
R175
NC/0R05 1/4W
C167
+24V 2,7,17
AV25
POWER
42"/47"
+12V
R151
120 OHM +-1% 1/10W
+ C154
NC/330uF 16V
R174
51K
DV33SB 2,6,7,10,12,16,17,18
N/C
DV33
+
C167
22u
F
16
V
R155
Panel VCC deviation
PANEL5V
SMD
R173