Sony BCU-100 Maintenance Manual page 179

VCS
1.30V
1.25V
1.20V
BCU-100 MM
A B
601,704 V1P2_BE_VCS_ON
R8114
68k
BE_VCS_V1P25_ON BE_VCS_V1P20_ON
H X
L H
GND
L L
R8123
C8109
15k
0.0022uF
Q8103
SI2312BDS-T1-E3
R8120
2.4k
R8127
601,704 BE_VCS_V1P25_ON
2k
S
R8129
601,704 BE_VCS_V1P20_ON
2.2k
S
Q8104
SI2312BDS-T1-E3
GND
703,704,711,731 +12V_A
C8101
4.7uF
GND
C
BE-28 (40/44) BE-28 (40/44)
SUFFIX: -12 SUFFIX: -12
703,704,711,731 +12V_A
IC8101
SN105233DBTR
1 30
INV1 LH1 R8122 R8113
10 10
2 29
FB1 OUT1_u
3 28
SOFTSTART1 LL1
4 27
C8114
NC1 OUT1_d
43pF
5 26
CT OUTGND1
6 25
NC2 TRIP1
7 24
GND VCC
C8115 0.1uF R8126 10k
8 23
REF TRIP2
9 22
STBY1 VREF5
R8115 1.5k 10 21
C8110
STBY2 VLSD
0.1uF
C8116 0.01uF
11 20
SCP OUTGND2
12 19
NC3 OUT2_d
C8117 0.01uF
13 18
SOFTSTART2 LL2
14 17
C8113
FB2 OUT2_u
0.1uF
15 16
INV2 LH2
C8112
0.022uF C8119
C8118
4.7uF
1uF
C8111
R8124
0.1uF
22k
NM
R8121
6.2k
R8117
R8118
2.2 0
R8119
1.8k
C8102
0.1uF
L8102
L8101 1.4uH
12uH
8 7 6 5
4 D8101
C8103 C8104 C8144 C8145
CMS05-TE12R
S
22uF 22uF 22uF 22uF
1 2 3
Q8101 Q8102
SI4336DY-T1-E3
SI4392DY-T1-E3
5-49 5-49
D E
CL8101
0.8
601,704 V1P2_BE_VCS_ON
CL8102
0.8
100,704 BE_VCS_SENSE1
CL8104
0.8
601,704 BE_VCS_V1P25_ON
CL8105
0.8
601,704 BE_VCS_V1P20_ON
R1161
0
BE_VCS_SENSE1 100,704
R1157
0
JL8101
NM
0.8
V1P2_BE_VCS 100,101
C8105 C8106 C8107
C8108 R8116 C8146
180uF 180uF 180uF
0.1uF 10k 390uF
2.5V 2.5V 2.5V
NM
2.5V
F G
1
2
3
4
5
BE-28 (40/44)
BOARD NO. 1-876-411-12
SJX-300_BE-28_012_704
H