Alba L42M1, Руководство по обслуживанию

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42 ″ LCD TV ALBA L42M1
45
2) POWER-2
100N
+5V_TUNER deviation
of different Power board
AV12 5,6,10,12,14
C175
10U 10V
U159
Q152
N/C
PANEL_VCC ON/OFF:(GPIO5)
Normal:High
Stand_By:Low
POWER
42"/47"
+
C162
100uF 10V
SS3P4
+5V_STB
C1
70 NC
/2
2P
5
0V
BC847C
1K
SC4525B
22N
C158
100N 16V
AV25 TO AV12
R172
C174
R171
NC/-5% 1/10W
PANEL_VCC
GND
Q151
R171
R1
7
4
4.
7K
OH
M
+
-1%
1
/1
0W
N/C
+12V
C156
100N 16V
R164
Add Thermal Pad
C154
10uF
R1
6
7
N
C
/1
0K
1
/1
0
W
1%
GND 1,3,4,5,6,7,8,9,10,11,12,13,14
+5V1_TUN
/
ADJ
U153
LD1117ADT-TR
3
1
2
VIN
GN
D
VOUT
C172
NC/10U 16V
SMD/0402
N/C
Panel VCC deviation
N/C
C178
+ C161
100uF 10V
N/C
N/C
2N2
DV18_CI 8
R208
NC/0R05 1/10W 5%
C1
84
N
C
/100
P
50
V
N/C
PANEL
VCC:+12V
10K
U152
AME8810-AEGTZ 0.6A/3.3V
1
2 3
4
GN
D
VOUT(heat sink) VIN
4
+12V
DV18_CI
DV18_DDR
N/C
0R
N/C
220N
1K2
AV25
20K
N/C
N/C
0R
ITEM
L150 NEARLY U155
R166
NC/2R2 1/8W 5%
R161
NC/-1% 1/10W
N/C
+5V_SW
PANEL5V
N/C
N/C
ZD150
+5V_SW 1,5,8,9,10,11,12,13,14
Q155
NC/MUN2211TIG
R176
NC/0R05 1/8W
Q150
SI5441DC
1
2
3
4
5
6
7
8
D
D
D
G
S
D
D
D
D150 NC/BAS32L
1 2
A K
R1
73
53
.6
K
OH
M
1
%
1/
10
W
POWER
32"/37"
C163
+ C177
470uF 10V
4U7
DV33 TO DV18_CI
Panel VCC=12V
N/C
4K7
DV33
Q150
N/C
R165
C168
10U 10V
39K
DV18_DDR 1,6
N/C
+5V_STB
C
174
N
C
/2
N
2 50
V
1K
1N/25V
N/C
N/C
PANEL_VCC
N/C
C184
DV18_CI
47UF/16V
C187
D150
AV12
+5V_SW
R153
NC/0R05 1/4W
R155
N/C
R158
22K 1/10W
U155
NC/SC4525BSETRT
1
2
3
4
8
7
6
5
9
SW
IN
ROSC
GND
BST
FB
COMP
SS/EN
TH
1
C167
N/C
R175
N/C
C167
10U 16V
+5V_SW TO DV33
DV18_DDR TO DV18_CI
100N
C171
+ C154
NC/220uF 16V
R168
N
C
/6
8K
OH
M
+
-5%
1
/10
W
R168
Q155
15UH
R151
120 OHM +-1% 1/10W
C172 NEARLY U155
68K
2R2
2K2
C176
R166
R159
C156
N/C
+5V1_TUN
R164 22K 1/10W
+ C159
100uF 10V
10K
C157
NC/4.7uF25V
SMD/0402
C165
NC/220N 25V
+5V_STB TO DV33SB
330P
AV25 3
DV33
N/C
DV18_DDR
100P
DV33SB 4,5,7,10,12,13,14
SI5441
R174
N/C
C172
AV25
N/C
U154
LD1117S-TR
3
1
2
4
VIN
GN
D
VOUT
TH
N/C
N/C
AV12
C185
NC/330P 50V
+5V_SW TO AV33
R173
N/C
PANEL
VCC: +5V
+5V_SW
/A
DJ
U151
LD1117DT33TR
3
1
2
VIN
GN
D
VOUT
N/C
R1
72
20
K
O
H
M
+
-1%
1
/1
0
W
C165
R157
U155
PANEL_VCC_ON/OFF
+24V
R163
1 OHM +-5% 1/10W
+5V_TUNER FROM Regulator
+ C152
470uF 10V
DV33 1,4,5,7,8,11,12,13,14
AV33 3,5,10,11,12,13,14
C169
100N 16V
R152
120
OH
M
+
-1%
1
/10
W
22P
+5V_TUNER
C166
100N 16V
DV33SB
R162
12
0 O
H
M
+
-1%
1/
1
0W
DV33
C185
DV18_CI
+12V
+12V 1,9,13
10uF
+5V_TUNER 3
+5V1_TUN 1
C151
100N 16V
R133
0R05 1/10W 5%
N/C
PANEL_VCC
Q151
BC847C
C157
ITEM
AV25
+24V 1,13
R157
47K 1/10W 5%
Panel VCC=5V
MUN2211TIG
Q152
NC/MUN2211TIG
N/C
BAS32L
AV33
+5V_SW
U156
LD1117S33TR
3 2
1 4
VI VO
GN
D
4
FB150
C173
100N 16V
N/C
C153
10U 10V
N/C
BEAD
C164
100N 16V
Vo=1.25 x (1+120R/120R) = 2.5V
R176
R160
56K
+
C150
100uF 10V
10K
N/C
47UF/16V
MUN2211TIG
L150 NC/15uH
U158 LD1117S18
3 2
1 4
VI VO
GN
D
4
R167 N/C
C171
NC/10U 10V Y5V
U159
LD39080PT-R
1
2
3 5
4
VINH
VIN
GND ADJ
VO
FB150 NC/220R/2000mA
1 2
51K
+5V_STB 1,5,10,13
R159
10K 1/10W 5%
Vo=1.25 x (1+1R/120R) = 1.26V
PANEL_VCC_ON/OFF 5
N/C
C155
10U 10V Y 5V
N/C
C163
NC/100N 16V
ZD150
NC/SS3P4
1
2
0R
C133 1uF 16V
PANEL5V
PANEL_VCC_ON/OFF
22U
PANEL_VCC 14
FB151 220R/2000mA
1 2
R165
NC/10K 1/10W 1%
ZD150 NEARLY U155
N/C
N/C
C187
NC/22N 16V
L150
+12V
R1
60 N
C
/1K
2
1/
10W
1
%
+5V_SW TO AV25
N/C
N/C
PANEL_VCC_ON/OFF
R153
+5V_TUNER
0R
N/C
SMD/0402
DV33SB
AV33
R158
LD39080
C170
C177
R161
220uF/16V