Schematic Diagram; Main Board - AOC L19WA91 Service Manual

9. Schematic Diagram

9.1 Main Board

715G3292 1
DC POWER INPUT
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
10 INVERTER_ON_OFF
9 BRIGHT_ADJ
8
+5V
7
6
5
4
3
+18V
2
1 STANDBY
R113 NC/100 OHM +-5% 1/10W
OPWRSB
CN100 R114 1KOHM +-5% 1/10W
CONN 2
R116 100 OHM +-5% 1/10W
0.6 x (1+2.44K/1.2K) = 1.82V
15uH L101
DV18_DDR
D101
C112 + SS2P4
330UF 16V R124
USE 330uF 16V GF
R115
1%
R117
1K2 1/10W 1%
1%
+5V
FB100 120R/3000mA
1 2
FB101 120R/3000mA
1 2
FB102 120R/3000mA
1 2
DV33SB
R144
NC/4K7 1/16W 5%
SMD/0402
STANDBY
R126
NC/10K 1/16W 5%
Q106
D102
NC/BC847C SMD/0402
1 C124
DV33
K A
NC/100N 16V
SMD/0402
BAS32L
C108 C132
10U 16V 10U 16V
NEW COMPO
U104 U103
L5945 L5947
1 8 8
Vout Vcc Vcc
2 7 7
SY NC GND GND
3 6 6
INH FSW FSW
4 5 5
COMP FB FB
R104 C129
C102
33N 16V
+5V_STB
+ C106
C107 100N 16V
470uF 10V
OPWRSB(+5V_SW ON/OFF):
Norm al: High
Stand_By: Low
R107
OPWRSB 2
10KOHM +-5% 1/10W C121
4.7UF 10V
OPWRSB
+5V_STB(+5V1) TO +5V_SW BY OPWRSB
OPWRSB:
Normal: High
Stand_by: Low
+5V_SW
0.6 x (1+1.1K/1.2K) = 1.15V
L102 15uH
DV11
1
Vout
2
SY NC
3 D100
INH
4 SS3P4 + C111
COMP
330UF 16V
R125
C128
R106
USE 330uF 16V GF
C104 R123
33N 16V
1%
R122
1K2 1/10W 1%
1%
36
+5V_STB +5V_SW
Q104 SI5441DC
8 1
D D
7 2
D D
6 3
D D
5 4
S G
OPWRSB(+5V_SW ON/OFF):
C105 + C101
Norm al: High
330uF 10V
100N 16V
Stand_By: Low
R130
1KOHM +-5% 1/10W
R108
Q101 C114 OPWRSB
BC847C
NC/4.7UF 10V
10KOHM +-5% 1/10W
C122
4.7UF 10V
+18V TO +18V_A BY OPWRSB
Brand
Parts PnS Click
R108,R120,R133
NC Yes
C122,
Q102,Q105
R129 Yes NC
DV18_DDR
R131 1K 1/10W 1%
MEM_VREF
R132
1K 1/10W 1% C119 C120
1UF16V 100N 16V
SMD/0402
DV18_DDR stabilizer
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
絬 隔 瓜 絪 腹
Key Component 01. POWER-1 PCB NAME
Saturday , January 17, 2009 Sheet
Date
OPWRSB
5 OPWRSB
STAND_BY
5 STAND_BY
BRIGHT_ADJ
14 BRIGHT_ADJ
INVERTER_ON_OFF
14 INVERTER_ON_OFF
MEM_VREF
6 MEM_VREF
+18V_A
6 +18V_A
+18V +18V_A
R129
NC/0 OHM +-5% 1/4W
Q105
1 8
S D
2 7
S D
3 6
S D
4 5
G D
SI4835DDY
C109 + C103
100uF 25V
100N 25V
R133
1KOHM +-5% 1/10W
2 Q102 C115
BC847C
NC/4UF7 25V
Size Custom
Rev 1
715G3292-J
称爹 <称爹>
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