FUNAI BH2-M200 Service Manual page 38

Power Supply 1 Schematic Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
4
HOT CIRCUIT. BE CAREFUL.
F1001 L1001
AC1001 L1002
2.5A/250V LINE FILTER
AC CORD 4.7uH
D1007
1N5397-B
C1011 C1008
SA1001
0.047 0.047
SURGE
/250V /250V D1009
L1003 ABSORBER
1N5397-B
4.7uH
C1015 C1014
C1009
R1016
1500P 2200P
100/400V
5.6M
/250V /250V
1/2W
R1014
56K
C1013
3300P
3
R1015
/250V
C1016 C1004 C1012
56K
BC1003
1500P 2200P 3300P
BEAD
/250V /250V /250V
R1017
56K
R1002
120K
C1001
33P
IC1001
FA5640N
SWITCHING
CONTROL
1.7 272.9
1 SS STATUS 8
0.9
2 FB OVP 7
0 22.2
3 CS VDD 6
0 4.7
C1007
4 GND OUT 5
47/35V
Q1001
2SA1267Y
R1003 (SWITCHING)
8.2K
1.4 22.2
2
22.2
C1005
0.1
R1004 R1005
2.2K 2.2K
D1001
24BSB-T26
D1002 R1007
SB140 100
292.1
D
R1008
10
G
4.4
S
R1009
4.7K
BC1001
R1006 BEAD
75
D1004
C1003
27BSB-T26
0.033
C1002
0.01
1
A
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
T1001
POWER TRANS
*1
D1006
R1012 D1116
1N5397-B
1.5/3W SK59
6 11
C1117
D1008
D1101
C1010 4700/25V
1N5397-B R1013
SK59
0.01
47K/2W
/400V
D1117
SK59
5 12
D1010
BA159
BC1002
BEAD
4
1 9
D1003
BA159
R1010
56 2 10
C1104
1
Q1002
C1006
2SK3566
150P
(SWITCHING)
/2KV
0.1
D1005
D1011
R1011
27BSB-T26
SD190
0.56/2W
IC1100
PS2561A-1-V-A(W)
ERROR
R1108
VOLTAGE DET
2.2K
0.9 13.8
R1109
R1110
1.5K
10K
0 12.8
C1102
0.1
12.8 2.5
0
IC1113
KIA431-AT/P
ERROR
VOLTAGE DET
JP1107
JP1108
HOT COLD
JP1110
JP1111
B
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
D1105 D1106
WIRE WIRE
R1162 C1156
0.56/2W 0.1
R1147
C1186 R1104 C1150 C1151 C1152
0
0.1 10K 1 4.7 4.7
15.5
15.3
Q1104
0
MMBTSA1504Y
(SHORT-DET)
R1105
R1161
10K
0.27/2W D1120 C1158
SK34 2200P
C1185 R1101 C1122 C1123 C1124
C1159
0.1 10K 1 4.7 4.7
15.5 2200P
15.4
R1143
Q1102 10
0
MMBTSA1504Y
(SHORT-DET)
R1102
2.0
10K
Q1103
0
MMBTSC3875G
(SHORT-DET)
0
C1128
0.1
R1131
C1125
0
2200P
C1126
2200P
R1124
10
D1118 C1130
IC1101
SK34 2200P
BD9321EFJ-E2
(+3.3V REG.) C1131
C1109
2200P
0.1
9.7 2.5
1 BST SS 8
R1127
C1110
10
0.1
15.5 4.8
2 VIN EN 7
R1122 R1117 C1111
C1105 C1106
0 15K 3900P
3.2 1.0 D1123
4.7 4.7
3 SW COMP 6
1SS400ST
0 1.0
4 GND FB 5
L1101
18uH
D1114 C1112 C1114 C1115 R1119 C1184
SK34 5600P 10 10 0 47/6.3V
R1120
C1113
9.1K
5600P
R1118 R1121
10 3.3K
C1166
R1111
1
0
R1112
100
R1113
4.7K R1178
820
R1114
910
2.5
R1100 D1104
Q1100 2.2K 10BSB-T26
0
MMBTSC3875G
(SWITCHING)
R1165 C1100
0
47K 1
C D
1-15-3
1 NOTE:
When you replace Diodes (D1101,D1116,D1117) on the Power Supply CBA,
please replace with the one that has same parts number.
Do not mix different parts number's Diode. Refer to the Part List section.
POWER SUPPLY CBA
JP1103
IC1104
BD9321EFJ-E2 JP1105
(+5V REG.)
C1155
R1169
0.1
10.4 2.5
1K
1 BST SS 8
15.4 4.7
2 VIN EN 7
R1142 C1157
68K 2700P
4.8 1.1 D1111
3 SW COMP 6
0 1.0
4 GND FB 5
D1110
L1104 L1105
18uH 10uH
C1160 C1161 R1144
10 10 3.3K
R1145
R1173
12K
10K
D1109
R1146 R1174
3.3K 10K
IC1102
D1124
BD9321EFJ-E2
1SS400ST
(+12V REG.)
C1127
0.1
18.8 2.5
1 BST SS 8
15.5 4.7
2 VIN EN 7
R1126 C1129
68K 1000P
11.9 1.5
3 SW COMP 6
JP1113
0 0.8
4 GND FB 5
JP1112
L1102
10uH
C1132 C1133 R1128 R1168
D1125
10 10 1.8K 2.2K
15BSB-T26
R1129
39K 2.0
R1175
Q1105 1K
0
MMBTSC3875G
R1130
3.3K (SWITCHING)
R1176
0
47K
OVER
VOLTAGE
DET
L1115
10uH
R1167 C1188 C1183
R1107
100 1000P 100/6.3V
10K
IC1105
BD9321EFJ-E2
(+5V REG.)
C1171
0.1
11.6 2.5
1 BST SS 8
C1172
0.1
15.5 13.4
2 VIN EN 7
R1154 R1149 C1173
C1167 C1168
0 47K 1500P
5.0 1.2
4.7 4.7
3 SW COMP 6
0 1.0
4 GND FB 5
L1107
18uH
JP1106
D1121 C1174 C1176 C1177 C1178 R1151
SK34 2200P 10 10 22 750
R1152
C1175
15K
2200P
R1150 R1153
10 3.3K
E
CONTINUE POWER
L1111
SUPPLY 2
WIRE
LCD+5V
P-ON+3.3V
SYS+5V
L1112
C1182
WIRE
100/6.3V
CONTINUE POWER
SUPPLY 3
EV+14V
EV+16V
FE+12V
FE+5V
HDD+5V
HDD+12V
P-ON+3.3V
EV+5V
SD+3.3V
L1114
WIRE
CONTINUE POWER
SUPPLY 3
OVP-SAFETY
FB-REF
SAFETY1
DRIVE-SAFETY
CONTINUE POWER
SUPPLY 2
SAFETY1
DRIVE-SAFETY
DRIVE-SW
3V3CONT
C1187
0.1
D1115
D1103
D1112
D1102
UNLESS OTHERWISE SPECIFIED:
DIODES ARE 1N4148-F0021.
F
E4V21SCP1