Haier LT32M1CA Service Manual page 44

32"LCD TV
Add Thermal Pad
+5V_SW AV33
U151
LD1117DT33TR
3 2
VIN VOUT
+
C166 C159
100N 16V 100uF 16V
+5V_SW TO AV33
Add Thermal Pad
+5V_SW
AV25
D150
RGP15D
U153
LD1117ADT-TR
3 2
VIN VOUT
C160
100N 16V R152
SMD/0402 120 OHM +-1% 1/10W
C168 R151
120 OHM +-1% 1/10W
10uF 10V
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
+
C158 C150
100N 16V 100uF 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
SMD
100N 16V
+5V_STB TO +3V3SB(For CEC MCU)
+5V1_TUN +5V_TUNER
FB150 NC/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 R162 100uF 16V
SMD
120 OHM +-1% 1/10W
HV TYPE
C153
R163
10uF 10V 1 OHM +-5% 1/10W
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 R165 100uF 16V
120 OHM +-1% 1/10W SMD
C171
R167
10uF 10V 1 OHM +-5% 1/10W
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
0R05 1/4W
NC/0R05 1/4W
TPS5430DDAR
5 4
ENA VSENSE
6 3
GND NC
7 2 R161
VIN NC
C172 8 1 4.7KOHM +-1% 1/10W
PH BOOT
+
C165
U155
100N 50V
R171
0R05 1/10W
R154 C163
PANEL_VCC_ON/OFF 10N 50V
100 OHM +-5% 1/10W
R160 R169
NC/56R 1/8W NC/56R 1/8W
C174
PANEL_VCC_ON/OFF:(GPIO5)
NC/330P 50V
Normal:High
Stand_By:Low
1.22 x (1+15K/4.7K) = 5.1V
PANEL5V PANEL_VCC
R153
0R05 1/8W
+12V
Panel VCC=12V
R155 Q150
8
NC/0R05 1/8W
D D
7
D D
6
D D
5
S G
NC/SI5441DC
R157
NC/2K2 1/10W 5%
PANEL_VCC ON/OFF:(GPIO5)
R164
Normal:High
Stand_By:Low
NC/1K 1/10W 5%
R158 NC/1K 1/10W 5% Q151
PANEL_VCC_ON/OFF C157
NC/4.7uF25V
C156 R159
+5V1_TUN
U159
2 4
VIN VO
1
VINH
+ C177 3 5 + C178 C176
GND ADJ
47uF 16V 47uF 16V
SMD LD39080PT-R SMD
+5V_TUNER FROM Regulator
44
Haier LT32M1CA&LT32M1C
1,6,16
1,16
1,9,11
1,11
1,7,10,12,13,14,15,16,17
3
PANEL5V 1
R166
15KOHM +-1% 1/10W
1,4,5,6,9,10,15,16,17
4,7,15,16,17
1,5,6,9,11,15,16,17
7,13,15
17
3,14
10
4
6 PANEL_VCC_ON/OFF
L150 22uH
+ C154
330uF 16V
1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
Use new comp
Panel VCC deviation
ITEM PANEL PANEL
VCC:+12V VCC: +5V
R164 1K
Q151 BC847C
0R
R155
R157 2K2
Q150 SI5441
R158 1K
R159 10K
C167 22U
PANEL_VCC
C156 100N
C157 4U7
1
2
3 R171 N/C
4 C167
+
C163 N/C
SMD
R153 N/C
NC/22uF 16V
R154 N/C
R161 N/C
R166 N/C
C172 N/C
L150 N/C
C154 N/C
U155 N/C
TPS5430
C165 N/C
D151 N/C
R176 N/C
+5V_TUNER deviation
+5V_TUNER
of different Power board
R175 ITEM
POWER POWER
32"/37" 42"/47"
0R05 1/4W
FB150 N/C BEAD
+ C152 R175 0R
470uF 16V
SMD LD39080
U159
R174 4K7
C178 47UF/16V
R172 20K
R173 51K
C176 1N/25V
C177 47UF/16V
The item of this page start from "150"
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹
T2913-1-HISENSE32-080229 TPV MODEL
Key Component
03. POWER-2 PCB NAME 715T2913-1
Monday , April 14, 2008 Sheet 3 of 19
Date
+24V
+24V
+12V
+12V
+5V_STB
+5V_STB
+3V3SB
+3V3SB
+5V_SW
+5V_SW
+5V_TUNER
+5V_TUNER
+5V1_TUN
+5V1_TUN
DV33
DV33
AV33
AV33
DV33SB
DV33SB
AV12
AV12
PANEL_VCC
PANEL_VCC
AV25
AV25
DV18_CI
DV18_CI
DV18_12_DM
DV18_12_DM
PANEL_VCC_ON/OFF
GND
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
0R
10N
0R
100R
4K7
15K
470U
22U
330U
100N
SS3P4
0R
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
Size C
Rev 1
称爹 <称爹>