Bush A632N - Schematic Diagrams; 10.1 Main Board Power Schematics

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10. Schematic Diagram
10.1 Main Board
715G3693M01000004K
3) Power 1
C7833
4.7UF 10V
1 2
FB101 120R/6000mA
3
2
1
Q767
BC847C
R790868K 1/10W 5%
R7907
NC /0 OHM +-5% 1/4W
+
C114 330uF 10V
+5V_STB
+16V/+24V +16V/+24V_SW
C139
1U 10V
R7909
22K 1/10W
Control DV11 and DV33 Sequence
+ C7831
NC/100uF 25V
OPWRSB(+5V_SW ON/OFF):
Normal: High
Stand_By: Low
+16V TO +16V_SW BY OPWRSB
FB
1
EN
2
OCSET
3
VCC
4
OUTPUT
5
OUTPUT
6
VSS
7
VSS
8
U105
AP1538SG-13
OPWR SB
1 2
FB102 300OHM
1 2
FB103 300OHM
Normal: High
Stand_By: Low
+5V_STB(+5V1) TO +5V_SW BY OPWRSB
+
C125
470uF/16V
+
C149
470UF 25V
OPWR SB
C7832
4.7uF 50V
C146
NC/10U 10V
1 2
FB100 120R/6000mA
R135
6K8 1/10W 5%
+
C120
NC/470uF/ 10V
R7893
1K 1/10W
DV33SB
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
Stand_By:0V
DC POWER INPUT
INVERTER_ON_OFF:
Normal: High
Stand_By: Low
BRIGHT_ADJ
INVERTER_ON_OFF
OPWR SB STANDBY
OPWR SB
R123
1.5KOHM 1/10W
Vout =1.1V , R108 = 620, R109=1.5K
1 TP100
Vout = 0.8 * (1+R108/R109)
C128
NC
C148
0.1uF 50V
C7958
0.1uF /16V
STANDBY
R139 620OHM +-5% 1/10W
FB104 300 OHM
R131 0R05 1/4W
R125
NC /2.2 OHM 1/10W
C147
NC
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q105
AO4419
D102
SR34
1 TP104
C145
NC /0.1uF 50V
1 TP105 1 TP103
R138
10K 1/10W
R1055 NC/10K 1/ 16W 5%
1 TP101
L102
27uH
C144
0.1uF 50V
R1054
NC/10K 1/16W 5%
C123
100N 16V
Q772
NC/MMBT3904
R1056 NC/10K 1/ 16W 5%
1 TP102
C129
NC
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q104
SI5441DC
+5V +5V_STB
+5V_SW
DV11
+5V_STB
+12V
+16V/+24V
+5V
+5V_SWDV33SB
+5V_STB
OPWR SB6
INVERTER_ON_OFF16
BRIGHT_ADJ16
INVERTER_ON_OFF
BRI GH T_ADJ
1
2
3
4
5
6
7
8
9
10
11
12
CN100
CONN
+12V
+16V/+24V
R108
10K 1/10W
C7804
4.7U F 10V
3
2
1
Q101
BC847C
R121
47K 1/10W
R119
2.7K 1/10W
DV11
C121
4.7U F 10V
R130
7K5 1/10W 5%
For 19"22" used only