JVC AV-48WP34/AHA Service Manual page 79

DEF OSC PWB CIRCUIT DIAGRAM
R138
X
C121 C122
100/16 0.01
Q131
BUFFER R131
*1
1k
C131
100p CH
C136 C137
R133 0.001 0.001
150
CH CH
R143
470
C133 C134 R137
0.1 0.027 10k
C135
0.001
R139
C132 CH 22k
R134
1/50
330k
IC101
LA7860M-X
DEF OSC
R101
1k
BUFFER
Q101
*1
R110 R116
C102 22k 1.8k
0.01 0.5%
C106
R103
0.001
680
CH
C109
C110
R102 0.01
C107 0.001
X
0.0012
R114
C103 C104 C108 C113
CH
2.2k
0.01 560 4.7/50 0.0012
CH R117
C101
3.3k
X
R106
12k 2.2/50
C111
2.2/50
R104 R108
10k
BUFFER
X R111 L104
Q102
R113
15k NQL092K-100X
*1 R107
12k
0.5%
10k
0.5%
R109
R105
6.8k R129
R112
47k
18k
1.8k
C124
0.5%
0.5%
0.01
L103
NQL092K-100X
C123
0.01
CN010
QGB1505K1-35
A
A
OSD_VD
L101 47
QQL01BK-470Z
R142
IN OUT
10k
R140
IC163
10k
INV BUFFER X
Q132
5V REG
*1
R141
4.7k
C138
R126
150
10k
CH
!
R123
H_DRIVE
R127 100 1/2W
X QRK126J-101X
NC
IC102
C120
BA12FP-X
47/25
IN OUT
R329
C119 220k
47/25 R327
220k
D321
R326
R121
C114 *3
220k
C115 1.5k ABL
0.001
CH
0.001
R122
CH C321
47 1W
0.001
QRG01GJ-470 R328
56k
R120
18k
C116
C118
0.01
C117
0.01 SB2
470/16 R181
X MF
HF X
EHT_DC EW_DRIVE
C112
C177
X
EW
R189
0
R184
Q168 47k
R172
0.5%
*1
47k
DEF_HP
R185
MF D164
10k
H_PULSE *3
0.5%
R173
X
D166
X
R182
R174
1k
DEF. OSC. PWB
NOTE
:
*1 2SD601A/QR/-X
:
*2 2SB709A/QR/-X
:
*3 1SS355-X
:
X NON MOUNT
:
BW IM-BW
No.51914
AV-48WP30
AV-48WP30
POWER & DEF. PWB
C185
X
C161
C162
1000/16
0.01
C164
0.01
C165
0.1
C183 C184
C163
X X
IC161
470/10 DEF CONTROL
R161 R162
AN5441SA-W
220 220
NC
C172
0.39
C169
TF
0.1
R163
C171
R183
0.18 R164
100
TF,5% 100
1k R187
4.7k
R179 R177
C173
5.6k
12k
0.015 0.5%
C170
R188 C180
R178
0.01
100 0.1
820
0.5% C178 C179
R180 C168 0.1 0.1
R330
1.5k 0.01
68k
0.5%
R332 R321
X 0
R175
BUFFER
1k
Q162
*1
R191 X
C175
0.0015
R176 C166
2.2k 10/50
Y002 0
R168
VCC
4.7k
Y003
D165
0
*3
GND
R169
3.3k
Y006
X
IC162
BA10393F-XE
1k
R190 R186
Y001
180 10k
0
SIDEPIN PWM OUT
C174
C167
0.0027 0.0033
SSB0H051A-M2
2-37 2-38
CN0S4
Y008
NRSA63J-0R0X
Y007
NRSA63J-0R0X
IC212
CXA1875AM-X
L105
100 LACHI IN/OUT
C212
R216
R217 10/50
220
220
C182
0.1
Y004
C181 R167
0
0.1 4.7k
R171
INV BUFFER
22k
Q167
*1
R170
4.7k
R223
R226
C176 100
100
0.1
MY
R224
100
R765 R764
180k 180k
1/2W 1/2W
BUFFER
R767
Q752
X R752
*1
10k R755 Q753
18k
2SC4632
C752
R751
47/35
18k
BUFFER
Q751
C754
R758 R768 *1
BW R754
X R757
X R753 18k
R756
DAF SW 1.5k
Q754 8.2k
3.9k
X
C751
0.056
Q755
QFLC1HJ-563Z
X
R759
DAF SW
X
No.51914
Y005
X
V_DRIVE
D221
*3
R227
OCP
1k
C221
R230
1/50
22k
31/33
DEF_RST
QCZ0122-471
C762 C763
470p 470p
QCZ0122-471
R763 R762 R761
CN00L
180k 180k 180k
CE41507-001P
1/2W 1/2W 1/2W
L
D751 D752
ES1F-LFG2
BUFFER ES1F-LFG2
! POWER &
C761 DEF. PWB
.0068 1.8KVH
QFZ0122-682
MPP
! C753
.015 1.5KVH
QFZ0200-153
MPP