Haier LT42M1CF Service Manual page 43

42"LCD TV
Add Thermal Pad
+5V_SW AV33
U151
LD1117DT33TR
3 2
VIN VOUT
+ C159
C166 100uF 16V
100N 16V
+5V_SW TO AV33
Add Thermal Pad
+5V_SW
AV25
D150
RGP15D
U153
LD1117ADT-TR
3 2
VIN VOUT
C160
100N 16V
SMD/0402
C168
R151
10uF 10V
120 OHM +-1% 1/10W
Vo=1.25 x (1+120R/120R) = 2.5V
+5V_SW TO AV25
Add Thermal Pad
+5V_SW DV33
U157
LD1117DT33TR
3 2
VIN VOUT
+ C150
C158
100uF 16V
100N 16V
+5V_SW TO DV33
DV18_12_DM DV18_CI
R170
NC/0R05 1/10W
MT5131 MT5133
R170 YES NO
C173
NO YES
U158
C175
DV33 DV18_CI
U158 LD1117S18
3 2
VI VO
C173
100N 16V
SMD/0402
DV33 TO DV18_CI
+5V_STB +3V3SB
U152
AME8810-AEGTZ 0.6A/3.3V
3 2
VIN VOUT(heat sink)
C155
+
C151 100uF 16V
100N 16V SMD
+5V_STB TO +3V3SB(For CEC MCU)
+5V1_TUN +5V_TUNER
FB150 220R/2000mA
1 2
R168 NC/1.5 OHM 1/4W
R156 NC/1.5 OHM 1/4W
C161
+
100uF 16V
SMD
HV TYPE
+5V_TUNER FROM +5V1_TUN
Add Thermal Pad
U154
AV25 AV12
LD1117DTTR
3 2
VIN VOUT
C164
100N 16V C162
+
SMD/0402 100uF 16V
SMD
HV TYPE
R163
C153
1 OHM +-5% 1/10W
10uF 10V
Vo=1.25 x (1+1R/120R) = 1.26V
AV25 TO AV12
Add Thermal Pad
U156
DV33 DV18_12_DM
LD1117DTTR
3 2
VIN VOUT
C169
100N 16V + C170
SMD/0402 100uF 16V
SMD
C171
R167
1 OHM +-5% 1/10W
10uF 10V
Vo=1.25 x (1+1R/120R) = 1.26V
Vo=1.25 x (1+270R/120R) = 1.8V
C175
10uF 10V DV33 TO DV18_12_DM
+24V +12V
Panel VCC=5V
R177 R176
NC/0R05 1/4W
NC/0R05 1/4W
NC/TPS5430DDAR NC/15KOHM +-1% 1/10W
5 4
ENA VSENSE
6 3
GND NC
7 2
VIN NC
C172 8 1
PH BOOT
+
C165
U155
NC/100N 50V
R171
NC/0R05 1/10W
C163
R154
NC/10N 50V
PANEL_VCC_ON/OFF
NC/100 OHM +-5% 1/10W
R160 R169
NC/56R 1/8W NC/56R 1/8W
PANEL_VCC_ON/OFF:(GPIO5) C174
NC/330P 50V
Normal:High
Stand_By:Low
1.22 x (1+15K/4.7K) = 5.1V
PANEL5V PANEL_VCC
R153
NC/0R05 1/8W
+12V
Panel VCC=12V
R155 Q150
0R05 1/8W 8 1
D D
7 2
D D
6 3
D D
5 4
S G
SI5441DC
R157
2K2 1/10W 5%
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
R164
Stand_By:Low
1K 1/10W 5%
C157
R158
PANEL_VCC_ON/OFF Q151 4.7uF25V
BC847C
1K 1/10W 5%
+5V1_TUN
U159
2 4
VIN VO
NC/0R05 1/4W
1
VINH
+ C177 3 5 + C178
GND ADJ
NC/47uF 16V NC/47uF 16V
SMD NC/LD39080PT-R SMD
+5V_TUNER FROM Regulator
43
Haier LT42M1CFA&LT42M1CF
2,7,17 +24V
2,17 +12V
2,10,12 +5V_STB
2,12 +3V3SB
2,8,11,13,14,15,16,17,18 +5V_SW
4 +5V_TUNER
PANEL5V 2 +5V1_TUN
R166
2,5,6,7,10,11,16,17,18 DV33
5,8,16,17,18 AV33
2,6,7,10,12,16,17,18 DV33SB
8,14,16 AV12
R161
18 PANEL_VCC
NC/4.7KOHM +-1% 1/10W
4,15 AV25
11 DV18_CI
5 DV18_12_DM
7 PANEL_VCC_ON/OFF
L150 NC/22uH
+ C154
NC/330uF 16V
2,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18 GND
Us e new com p
Panel VCC deviation
ITEM PANEL PANEL
VCC:+12V VCC: +5V
R164 1K N/C
Q151 BC847C N/C
0R N/C
R155
R157 2K2 N/C
Q150 SI5441 N/C
R158 1K N/C
R159 10K N/C
C167 22U N/C
PANEL_VCC
C156 100N N/C
C157 4U7 N/C
SMD
R171 N/C 0R
C167
C163 N/C 10N
+
R153 N/C 0R
R154 N/C 100R
R161 N/C 4K7
R166 N/C 15K
C172 N/C 470U
L150 N/C
22U
N/C 330U
C154
U155 N/C
TPS5430
C165 N/C 100N
D151 N/C SS3P4
R176 N/C 0R
+5V_TUNER deviation
+5V_TUNER
of different Power board
ITEM POWER POWER
R175
32"/37" 42"/47"
FB150 N/C BEAD
+ C152 R175 0R N/C
470uF 16V
LD39080 N/C
U159
SMD
R174 4K7 N/C
C178 47UF/16V N/C
R172 20K N/C
R173 51K N/C
C176 1N/25V N/C
C177 47UF/16V N/C
The item of this page start from "150"
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Haier 42" MAIN BOARD
T2913-1-Haier42 TPV MODEL E428M2NBW9H3N
絬 隔 瓜 絪 腹
Key Component 03. POWER-2 PCB NAME 715T2913-1
Friday , April 11, 2008 Sheet 3 of 19
Date
+24V
+12V
+5V_STB
+3V3SB
+5V_SW
+5V_TUNER
+5V1_TUN
DV33
AV33
DV33SB
AV12
PANEL_VCC
AV25
DV18_CI
DV18_12_DM
PANEL_VCC_ON/OFF
GND
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
Size C
Rev 1
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