Haier LT32M1CA, Руководство по обслуживанию

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32
”LCD TV Haier LT32M1CA&LT32M1C
44
PANEL_VCC 17
R151
120 OHM +-1% 1/10W
N/C
4K7
R157
NC/2K2 1/10W 5%
D
151
SS3P4
1
2
+5V_STB TO +3V3SB(For CEC MCU)
N/C
SMD/0402
PANEL_VCC_ON/OFF
22U
SMD
C157
NC/4.7uF25V
N/C
0R
R170
LD39080
AV33 4,7,15,16,17
N/C
+12V
Q150
NC/SI5441DC
1
2
3
4
5
6
7
8
D
D
D
G
S
D
D
D
N/C
+12V
/ADJ
U157
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
Q151
N
C
/BC
847C
+ C154
330uF 16V
DV18_12_DM
R165
120 OHM +-1% 1/10W
+5V1_TUN +5V_TUNER
C174
NC/330P 50V
0R
Vo=1.25 x (1+270R/120R) = 1.8V
R154
100 OHM +-5% 1/10W
+ C178
47uF 16V
C173
100N 16V
D151
Add Thermal Pad
R163
1 OHM +-5% 1/10W
/ADJ
U153
LD1117ADT-TR
3
1
2
VIN
GN
D
VOUT
Panel VCC=5V
R176
R171
+5V_SW TO AV25
N/C
PANEL_VCC
C160
100N 16V
+5V_SW TO DV33
C177
DV33SB 1,5,6,9,11,15,16,17
0R
+3V3SB 1,11
C172
N/C
PANEL_VCC
DV18_CI 10
R167
1 OHM +-5% 1/10W
+5V1_TUN
AV25 3,14
C156
1.22 x (1+15K/4.7K) = 5.1V
47UF/16V
+5V_TUNER
ITEM
+5V_SW
DV33SB
Add Thermal Pad
N/C
+ C162
100uF 16V
470U
SMD
+
C172
470uF
35V
R164
NC/1K 1/10W 5%
PANEL_VCC_ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
DV33 TO DV18_12_DM
+3V3SB
DV18_CI
U155
TPS5430DDAR
1
2
3
4 5
6
7
8
9
BOOT
NC
NC
VSENSE ENA
GND
VIN
PH
G-pad
U152
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
Vo=1.25 x (1+120R/120R) = 2.5V
Panel VCC deviation
R160
NC/56R 1/8W
N/C
4U7
N/C
BEAD
R158
AV33
+5V_TUNER 3
+5V_STB 1,9,11
R168 NC/1.5 OHM 1/4W
U158 LD1117S18
3 2
1 4
VI VO
GN
D
4
/ADJ
U156
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
N/C
Use new comp
Add Thermal Pad
R173
POWER
32"/37"
R177
NC/0R05 1/4W
R171
0R05 1/10W
L150
+5V_TUNER FROM +5V1_TUN
DV33 1,4,5,6,9,10,15,16,17
R
172
20KOH
M
+
-1%
1/
10W
N/C
C165
AV12 7,13,15
R161
4.7KOHM +-1% 1/10W
AV25 TO AV12
C173
U158
C175
R153
0R05 1/8W
+5V_STB
Q151
0R
DV33
1K
NO
SMD
20K
C168
10uF 10V
10N
+5V_SW
+24V
+ C177
47uF 16V
SMD/0402
U155
+5V_TUNER deviation
of different Power board
1
C
3 19 Monday , April 14, 2008
715T2913-1
<
称爹
>
03. POWER-2
T2913-1-HISENSE32-080229
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
+12V
330U
SMD
+
C167
NC/22uF 16V
/ADJ
U154
LD1117DTTR
3
1
2
VIN
GN
D
VOUT
ITEM
N/C
DV18_12_DM
1K
C163
10N 50V
+ C161
100uF 16V
N/C
C176
1N
25V
R156 NC/1.5 OHM 1/4W
N/C
SMD
DV33
AV33
N/C
YES
D150
RGP15D
1
2
A
K
R176
0R05 1/4W
R155
NC/0R05 1/8W
C166
100N 16V
Panel VCC=12V
SMD
DV18_CI
C158
100N 16V
N/C
N/C
U159
LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
R157
SMD/0402
+5V_TUNER FROM Regulator
R166
TPS5430
+
C150
100uF 16V
4K7
+5V1_TUN 1
+5V_SW TO AV33
22U
C178
N/C
+5V_STB
R155
+3V3SB
R
173
51KOH
M
+
-1%
1/
10W
+ C170
100uF 16V R175
0R05 1/4W
R153
47UF/16V
AV25
R162
120 OHM +-1% 1/10W
SI5441
GND 1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
DV33 TO DV18_CI
+ C155
100uF 16V
R175
FB150
HV TYPE
PANEL5V
DV18_CI
FB150 NC/220R/2000mA
1 2
C165
100N 50V
R154
SMD/0402
YES
DV33
N/C
DV18_12_DM 4
C157
N/C
N/C
U159
AV12
C175
10uF 10V
SS3P4
51K
R161
1N/25V
+5V_SW
Q150
DV33
N/C
PANEL_VCC_ON/OFF 6
PANEL_VCC_ON/OFF
R166
-1% 1/10W
N/C
C163
Vo=1.25 x (1+1R/120R) = 1.26V
C176
+12V 1,16
N/C
The item of this page start from "150"
PANEL
VCC: +5V
PANEL5V
DV18_12_DM
R170
NC/0R05 1/10W
+ C152
470uF 16V
N/C
N/C
C156
N
C
/100N
16V
PANEL
VCC:+12V
+24V
R152
120 OHM +-1% 1/10W
C151
100N 16V
PANEL_VCC
L150 22uH
/ADJ
U151
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
100R
HV TYPE
AV25
+5V_TUNER
Add Thermal Pad
R158 NC/1K 1/10W 5%
PANEL_VCC_ON/OFF
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
2K2
N/C
C171
10uF 10V
R159
N
C
/10K
1/
10W
AV12
N/C
Vo=1.25 x (1+1R/120R) = 1.26V
SMD
R172
R164
100N
GND
C154
N/C
POWER
42"/47"
AV25
+
C159
100uF 16V
MT5131
N/C
0R
R159
Add Thermal Pad
BC847C
+24V 1,6,16
R174
+5V_SW 1,7,10,12,13,14,15,16,17
C167
MT5133
SMD
N/C
+5V_SW
+5V1_TUN
C164
100N 16V
R
174
4.
7KOH
M
+
-1%
1/
10W
100N
15K
10K
NO
R169
NC/56R 1/8W
C169
100N 16V
C153
10uF 10V