FUNAI BH2-M200 Service Manual page 57

Power Supply CBA, Front CBA & Scart CBA Bottom View
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.
20 Z3604 Z3603 Z3602
21
D3601
D3602
Z3601
C3511
R3602
R3605
J3502
R3601
R3603
C3651
D3606
R3604
D3607
R3652
C3652 15
CN3501
BE4V20F0102
V9 1B
Scart CBA
R1012
C1008
SA1001
C1011
Power Supply CBA
Z3801 Z3802
2
1
5
C3501
C3801
R2901
1 C2901
Z3902 R3801
R2903
D3802 C2902
C3509
Pb Joints
R3906
Q3901
Z3901 CN2902
Q3902 G
C3901
R2904
R2905
R3905
R3901 R3802
1D BE4V20F0102
1
Not Used
C2608
J1252
D1114
K
A
4 C1110
IC1101 C1112 C1113
1
8
R1120 R1115
5
C1107
C1111 R1117
C1109
D1123
A
D1121
R1017
R1152
R1018
D1004
R1009
R1007
D1002
R1008
D1003
J1152
C2706
R2706
C1002
R1003 J1001
R1113
J1230
C1001
R1110
R1178
IC1113 C1102 R1165 D1104
R1100
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
BE4V20F0102
1 CN2106 9
2 10
C1157
C2803
C1164
D1109 C2805
JP1104
CN2105
R1174
D1110
1 5 R1169
20
19
5
D1120 C1162
4 1
8 CN2101 CN2102
J1108
C2810
D1108
C2806
L1111
4
C2808
C1161
1 JP1113
C1160
L1104
C1152
D1122
L1117
C1151
R1175
R1168
R1176
R1104
C1154 C1158
DRIVE-SAFETY
C1186
C1159
C1153 J1256
J1159 J1106
Q1105
GND Q2656
J1103
PON+12V J1160
GND
C1134
R1106
C1132
R1161 C1133
JP1108 JP1107
J1161
5
JP1110
GND 8
JP1111
D2651 C2719 C1185
J1162
1
C1180 R2763 J1226
4
R2764
R1131
R2762
R2771 GND
C1126 R1124 C1130 C1131
R2760
L1109 R2759
R2770 J1137
TRAY-KEY
J1241 J1139
POWER-KEY
L2605
L2603
J1138
PON+5V R2767
J1242 PLAY-KEY
J1225
C1183
GND J1220
C1188
J1141
KEY1
J1231
J1172
J1170
J1232 PON+3V3 D2603
D1103
EV+5V-AV
J1164
C2607
0VP-SAFETY
J1165
J1115 J1243
FB-REF
J1166
GND
/AMUTE-SUB J1174
C1181
J1173
L1110
R1167 D1102 J1255
J1118
J1253
GND
D1112
J1219
FB-REF
C2606
J1157 J1236 J1171
R2737
J1148 EV+5V
Q2715
R2713 GND
R2720
R2714
J1120
C1179
GND C2710
J1150
R2747
JK1-8P-OUT
J1119
GND
L1108 R2765 R2716
J1113
R2718
J1117
R2607
JP1106
J1149
GND
EV+5V
Q2605
R2717
R2608
J1142
D2607
K
R1148
J1213
R1154 SYS+5V
C2611
C1172
SYS+5V
4
1
J1204
C1169
BUP+5V
J1203
C2708
GND
D2654 J1205
GND
J1206
GND
5 8 J1210
FAN-CONT
R2665
J1207
C1171 C2655
D2708
GND J1114 J1208
R1149 R1107
GND J1116
R2654 J1146
C2707
J1145
1V8-CONT
Q2654
J1143
PW-SW J1144
J1209
R2651
C2651 DT-REG-CONT
J1214 R2736
J1240
R2707
GND
R2708
R2710
D1106 R2670
R2709
R2711 R2712
C2652
C2718
J1156 R2722
R2652
R2721
R2753
R2653
R2671
Q2702
D2702 J1175
SAFETY
D2703 R2704
J1187
Q2701
SYS+5V
R1163
R2702
R2703
R2739
R2738
R2734
1-15-22
Because a hot chassis ground is present in the power supply
circuit, an isolation transformer must be used when repairing.
Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
a variable isolation transformer is required.
Front CBA
J1247
JC2004
1 A
J1257
F2814
R2813
R2812
2
1
IR-IN
R2817
R2820
J1102
R2808
R2809
R2810
J1104
L1114
J1105
R2819
J1107
GND
J1132
BACK-LED
J1131
J1130
J1129
J1128
J1127
J1126
R3714
J1125
I2C-SDA
J1124
I2C-SCL
J1112 C2721
JK1-8P-OUT
J1123
SCART-AMUTE1
J1122
ASW2
J1121
ASW1
R2732
IR
DIP
R2729
L3701
R2727
J1200
J1216
J1199
BUP+5V
R2728
X2701 J1217
GND
R2731 R2784
C2711
R2726
R2725
J1198
R2751
LCD-CLK
J1197
LCD-DATA
J1196
C2715 LCD-CE
J1194
J1195
GND
R2781
J1192
J1191
KEY1
SCART-AMUTE2
R2783
R2750
R2749
J1190
R2735 DRIVE-SW
C2713
R2743
C3708
C3707
R3708
C3704
R3719
R3723
R3712
R3711
R3710
GND
C3701
GND
BE4V20F01021