Bush bauer a642f - 10 Schematic Diagram; Main Board

42”&47” LCD TV BAUER A642F&A647F
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10. Schematic Diagram
10.1 Main Board
715G3462 D
1) Power-1
D101
SS2P4
1 2
+24V13
MEM_VREF
+
C112
330UF 16V
TP105
1
DV18_DDR stabilizer
DV33SB
C130 1uF/16V
+24V
INVERTER_ON_OFF
R123
1K1 1/10W 1%
+24V
L102 15uH
SMD/0402
STAND_BY
R115
2K2 1/10W 1%
1%
DV18_DDR
1%
+5V_SW2,5,8,9,10,11, 12,13, 14
DV11
BRIGHT_ADJ
+
C107
470uF 10V
+12V2,9,13
FB101 220R/2000mA
1 2
+5V_STB
STB_PWR5V
+5V_STB
R107 22KOHM +-5% 1/10W
R144
1K 1/16W 5%
C114
NC/4.7UF 10V
C128
330P 50V
GND
R125
0R05 1/ 16W
C129
330P 50V
TP106
1
+5V_STB(+5V1) TO +5V_SW BY OPWRSB
R105
10KOHM +-5% 1/4W
FB100 220R/2000mA
1 2
DV332,4,5,7,8,11, 12,13, 14
GND2,3,4,5, 6,7, 8,9, 10,11, 12,13,14
R122
1K2 1/10W 1%
C120
100N 16V
C105
100N 16V
BRIGHT_ADJ14
From +5V_SW to +1V8/+1V1
STANDBY:
Normal: High
Stand_by: Low
DV33
TP103
1
R124
300OHM1/10W
+ C110
100uF 10V
CN100
CONN
1
2
3
4
5
6
7
8
9
10
11
12
DV18_D DR2,6
+12V
BRIGHT_ADJ
STB_PWR5V
R117
1K2 1/10W 1%
SMD/ 0402
R131 1K 1/10W 1%
OPWRSB(+5V_SW ON/OFF):
Normal: High
Stand_By: Low
+
C101
330uF 10V
R132
1K 1/10W 1%
1%
C108
10U 16V
DV114
C121
100N 16V
R126
1K 1/16W 5%
R120 0 OHM +-5% 1/8W
+5V_SW
C102
33N 16V
0.6 x (1+2.44K/1.2K) = 1.82V
C119
1UF 6V3
C124
100N 16V
DV18_DDR
STAND_BY:
Normal: Low
Stand_by:
High
DV11
SMD/0402
USE 330uF 16V GF
D100
SS3P4
1 2
OPWRSB
OPWRSB
U103
L5947
1
2
3
45
6
7
8
9
Vout
SYNC
INH
COMPFB
FSW
GND
Vcc
TH1
+5V1_TUN2
TP101
1
C104
33N 16V
0.6 x (1+1.1K/1. 2K) = 1.15V
R113 100R 1/16W 5%
USE 330uF 16V GF
+5V_SW
+5V_STB
SMD/0402
C132
10U 16V
R106
3.9KOHM +-5% 1/10W
DC POWER INPUT
R130
33KOHM +-5% 1/10W
TP102
1
L10115uH
DV18_DDR
OPWRSB5
DV33SB2,4,5,7,10,12, 13,14
Q104 SI5441D C
1
2
3
45
6
7
8
D
D
D
GS
D
D
D
SMD/0402
BRIGHT_ADJ:
Normal: Max:+3V3, Min:0V
Stand_By:0V
+5V_SW
INVERTER_ON_OFF
U104
L5945
1
2
3
4 5
6
7
8
9
Vout
SYN C
INH
COMP FB
FSW
GND
Vcc
TH1
+5V_SW
STAND_BY13
+5V1_TUN
MEM_VREF
SMD/0402
DV33
R154
NC/1K 1/10W 5%
Q106
BC847C
STANDBY
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
1%
+5V1_TUN
C106
100N 16V
+12V
STANDBY
TP100
1
+5V_STB2,5,13
R119
47KOHM +-5% 1/10W
INVERTER_ON_OFF14
MEM_V REF6
Q101
BC847C
3
2
1
+
C111
330UF 16V
TP104
1
STAND_BY
R104
3.9KOHM +-5% 1/10W