Haier LT42M1CF, Руководство по обслуживанию

Страница: 42 / 111

42”LCD TV Haier LT42M1CFA&LT42M1CF
42
10. Schematic Diagram
10.1 Main Board
R146 NC/100R 1/16W 5%
TP
10
3
1
C132
10U 16V
+24V 3,7,17
R100
22K 1/10W
R149
0R05 1/4W
C117
NC/10uF/10V
IF 5V HAVE DIP
DV33
Q108
B
C
847C
C116
NC/100N 16V
R116
NC/1K 1/10W 5%
Yes
Yes
C126
100N 16V
Q103
SI3441BDV
1
2
3
4
5
6
D
D
G
S
D
D
+5V1) TO +5V_SW BY OPWRSB
C103
DV18_DDR stabilizer
+12V
+5V
Q105
NC/SI3441BDV
1
2
3 4
5
6
D
D
G S
D
D
The item of this page start from "100"
R111
DV18_DDR
R139
NC
DV18_DDR
D100
SS2P4
1
2
R140
R106
3.
9K
O
H
M
+-
5% 1/
10W
1V8):
Norm al: High
Stand_By: Low
OFF: Low
SMD/0402
CEC_PWR
C114
4.7UF 10V
U103
L5985
1
2
3
4 5
6
7
8
9
Vout
SY NC
INH
COMP FB
FSW
GND
Vcc
TH
1
DV11
C119
100N 16V
NC
SMD/0402
+5V_STB
+5V_STB 3,10,12
+
C103
100uF 16V
+5V_SW
C105
100N 16V
CEC_PWR(DV33SB ON/OFF):
Norm al: Low
Stand_By: High
Q109
B
C
847C
L102 15uH VTT
STANDBY
S
M
D
/0402
+
C101
100uF 16V
C121
100N
16V
R1
19
22K
1/
1
0W
1V1):
Norm al: High
Stand_By: Low
OFF: Low
CEC_PWR
R138
C
125
100N
16V
R145
+5V1_TUN
STAND_BY:(OPCTRL3)
Normal: Low
Stand_by: High
1%
+5V_STB
+ C112
330uF 16V
R141
NC/5K1 1/10W
Yes
INVERTER_ON_OFF 18
R105
NC/0R05 1/4W
+ C111
330uF 16V
W CEC
+12V 3,17
R102
5K1 1/10W
R
136
47K
O
H
M
+
-5%
1
/10W
Yes
+5V_SW 3,8,11,13,14,15,16,17,18
NC
GND 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
R127
10K 1/10W 5%
R147
N
C
/1
K
1
/10W
5%
C130
NC/22N 16V
OPWRSB
R144
1K 1/16W 5%
STANDBY:
Normal: High
Stand_by: Low
+5V_SW
+5V1_TUN
+5V_SW
C1
09
1
00N
1
6V
Yes
+12V
OPWRSB
R122
1.2KOHM +-1% 1/10W
R141
BRIGHT_ADJ 18
+5V1_TUN 3
+5V_STB
OPWRSB 7
DV33SB 6,7,10,12,16,17,18
Yes
DV33SB
C135
N
C
/2
2
uF
10V
TP
10
5
1
Q106
BC847C
NC
Yes
DV18_DDR
L101 15uH
SMD/0402
+5V1_TUN
+
C110
220uF 16V
R101
22K 1/10W
NC
CEC_PWRSB
Q102
GND
R132
NC/75R 1/10W 1%
R150
0R05 1/4W
Q
107
N
C
/M
U
N
2211
T
IG
Q104 SI5441DC
1
2
3
4
5
6
7
8
D
D
D
G
S
D
D
D
FB101 220R/2000mA
1 2
C120
10U 10V
SMD/0402
R
123
1
.1K
O
H
M
+
-1% 1/
1
0W
Yes
+3V3SB 3,12
R115
2
.2K
O
H
M
+
-1% 1/
1
0W
C123
100N 16V
Q102
NC/MUN2211TIG
3
2
1
DC POWER INPUT
+24V
INVERTER_ON_OFF
OPWRSB
E428M2NBW9H3N 1
Haier 42" MAIN BOARD Custom
2 19 Friday , April 11, 2008
715T2913-1
< 称爹 >
02. POWER-1
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
R126 1K 1/16W 5%
R1
38
N
C
/2
2K
1/
10W
C106
100N 16V
+5V_STB TO +5V1_TUN
FOR IF HAVE 5V DIP
C127
4.7UF 10V
CN100 B1 C101 B9
C102 G2 C103 D10
C104 G5 C105 B8
C106 B5 C107 B5
C108 F3 C109 G4
C110 E6 C111 F6
C112 F1 C114 B8
C116 D9 C117 E10
C118 F9 C119 G9
C120 G9 C121 C8
C123 G10 C124 C4
C125 G3 C126 G8
C127 G8 C128 F5
C129 F2 C130 F6
C131 F1 C132 F4
C135 C8 D100 F5
D101 F2 FB100 A4
FB101 B4 L101 F2
L102 F5 Q100 G8
Q101 B8 Q102 E9
Q103 F7 Q104 B8
Q105 D10 Q106 C4
Q107 E8 Q108 G3
Q109 G4 R100 G7
R101 G7 R102 F8
R103 G7 R104 F2
R105 B5 R106 F5
R107 B7 R111 D9
R113 C2 R114 F10
R115 F1 R116 F6
R117 G1 R119 B8
R120 F7 R122 G5
R123 F5 R124 F1
R125 F5 R126 C4
R127 G3 R128 G4
R129 B4 R130 B8
R131 F9 R132 F9
R135 F4 R136 F3
R137 F1 R138 D9
R139 E9 R140 D9
R141 D9 R142 C2
R143 E6 R144 B4
R145 C7 R146 C2
R147 C7 R149 B5
R150 E6 TP100 B1
TP101 B1 TP102 B1
TP103 B1 TP104 B1
TP105 B1 TP106 B1
U102 F10 U103 F4
DV33
Q105
USE 330uF 16V GF
SMD/0402
STAND_BY 7
TP
10
0
1
5V_SW ON/OFF):
Norm al: High
Stand_By: Low
USE 330uF 16V GF
R
135
47K
O
H
M
+-
5% 1/
10W
R129
NC/2K2 1/16W 5%
0.6 x (1+2.44K/1.2K) = 1.82V
NC
NC
Yes
EU OTS MT533X - 4 LAYERS
MEM_VREF 9
BRIGHT_ADJ
C108
10U 16V
D101
SS2P4
1
2
+3V3SB
CEC_PWRSB
U102
LP2996MRX
1
2
3
4 5
6
7
8
9
GND
SD
VSENSE
VREF VDDQ
AVIN
PVIN
VTT
HS
R120 NC/0R05 1/4W
From +5V_SW to +1V8/+1V1 By OPWRSB
SMD
NC
Yes
STAND_BY
1%
+3V3SB TO DV33SB BY CEC_PWR
W/O CEC
R142 NC/100R 1/16W 5%
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
C117
IF 5V NO DIP
INVERTER_ON_OFF
STANDBY
TP
10
1
1
BRIGHT_ADJ
MEM_VREF
OPWRSB
R131 NC/75R 1/10W 1%
DV33SB
+5V_STB
C102
33N 16V
Yes
NC
STANDBY:
Normal: High
Stand_by: Low
C116
R146
+3V3SB
Q107
C118
100N 16V
C129
330P
50V
R111
0 OHM +-5% 1/8W
U104
L5985
1
2
3
4 5
6
7
8
9
Vout
SY NC
INH
COMP FB
FSW
GND
Vcc
TH
1
R137
NC/1K 1/10W 5%
FB100 220R/2000mA
1 2
R1
39
N
C
/2
K
2
1/
10W
5%
TP
10
2
1
DV11 6
CEC_PWR 12
C104
33N 16V
R103
22K 1/10W
Yes
+24V
MEM_VREF
C124
100N 16V
NC
R113 100R 1/16W 5%
DV33 3,5,6,7,10,11,16,17,18
STANDBY
C131
NC/22N 16V
R1
24
240 O
H
M
+
-1% 1/
10
W
1%
NC
SMD/0402
STB_PWR5V
+12V
R1
40
N
C
/2
K
2 1/
1
0W
5%
+5V_SW
R107
1K 1/10W 5%
CN100
CONN
1
2
3
4
5
6
7
8
9
10
11
12
CEC_PWRSB
R
125
0
R
05
1
/16W
SMD/0402
DV18_DDR 6,9
STB_PWR5V
R117
1.2KOHM +-1% 1/10W
R143
NC/0R05 1/4W
1%
R145
NC/10K 1/16W 5%
R104
3.
9K
O
H
M
+-
5% 1/
10W
R114 4K7 1/10W
+
C107
470uF/16V
VTT Q101
BC847C
3
2
1
OPWRSB
TP
10
6
1
STAND_BY
DV18_DDR
TP
10
4
1
R128
10K 1/10W 5%
0.6 x (1+1.1K/1.2K) = 1.15V
Yes
NC
+5V
DV33SB
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
SMD/0402
+3.3V for 538X MCU
NC
R130
5K1 1/10W
VTT 9
DV11
Q100
BC847C
3
2
1
C128
330
P
5
0V