JVC AV-48WP30 Service Manual page 85

MAIN PWB CIRCUIT DIAGRAM [5/12]
COM_Y
COM_YG
COM_B
AV SELECTOR
COM_BG
COM_R
COM_RG
W-K1
Y171
X
9V
REGLATOR
5V
SCL0
MICOM
SDA0
BSD_V
BSD_H
R053 X
NTSUBV2
HD-SYNC
NTSUBH2
R054 X
CN0AE X
BSD_Y
BSD_YG
BSD_CB
BSD_CBG
BSD_CR
BSD_CRG
BSD_HS
BSD_VS
BLANKER R055 R056 R057
X X X
GND
Y_MAIN
C DECODER
CB_MAIN
CR_MAIN
C134
1/25
CF1 PC V1/V3
R131
0
PC_Y
COMPONENT SW
C131
R132
47/25
X
4.6V Y
H L
4.6V
R133
C138
120
*4
GND
R134
0
PC_PB L
4.6V 3.2V
C132
3.2V
47/25 PB
GND
R135 VCC
C139
120
*4 4.6V H
3.2V
R139
GND
X
PC_PR
4.6V
L PR H 4.6V
R136
C140
C133
0
*4
47/25
IC131
R137 M52055FP-X
R142 X
120
R138 X
MAIN PWB
(5/12)
(COMPONENT SW)
SSB-1051A-M2
No.51914
AV-48WP30
AV-48WP30
R143 Q151
100
2SC3837K/NP/-X
BUFFER
R157
0
R017
C135
0 R145
1/16
470
CB1
YCONP_SW
R195
X CB_SW
C136 1/16 CB1
Q152
2SC3837K/NP/-X
BUFFER
R196 X
CR_SW R158
0
CB1
C137 1/16
R146
R147
0
R197 680
X
R140 R141 R144
2.2K 2.2K 2.2K
Q153
2SC3837K/NP/-X
BUFFER
R159
0
R148
R149
0 680
Y151
X
C149
100/16
C148
0.1/25
C170 X CB1 VCC
YIN
C176
R150 X
GND
C171 X CB1
0.01
PBIN
C177
R151 X
GND
C172 X CB1 0.01
PRIN
C178
R152 X
VCC
C173 1/16 CB1
0.01
V1_YIN
R153 220
C174 1/16 CB1 GND
V1_PBIN
R154 220
GND
C175 1/16 CB1
V1_PRIN
R198
270 R199
W-F2
1k
VAS
Y160
Y102
0 Y154
0
0
Y161
Y101
0
0
Y155
Y162
Y158 0
0
0
Y159 Y163
0 0
2-13 2-14
C021 R022
NCF11EZ-105X 100
R021
10k
IC021
R020
47k
H TC4W66F-X
H
R-Y GAIN SW
Q021
*1
SW
R023
100
R024
R025
390
1.8k
MAIN_Y
MAIN_YG
Q161
X
BUFFER
MAIN_CB R018 R168
R019
X X
X
R170
X
MAIN_CBG
R169
X
R171
X
MAIN_CR
R172
X
MAIN_CRG
R161 R160
2.2k X R173
X
R183
100
MONSW
L1OUT
IC151
L2OUT
R184
R185
MM1519XQ
L3OUT 100
100
COMPONENT SW DVCC
SCL
SDA
R186
ADDRESS
100
DGND C162
V3_L3 0.1/25
V3_L2 C160
V1_SW
100/16
V3_L1
V3_SW R191
R187
X
220k
R188 K151
220k 0
R189
220k
R190
100
C153
X
C154
X
X
C161
R166
X
0
AV SELECTOR
No.51914
NOTE
*1 : 2SC2412K/QR/-X
*2 : 2SA1037AK/QR/-X
*3 : 1SS355-X
*4 : QRN143J-0R0X
X : NON MOUNT
MAIN_Y
MAIN_Y
MAIN_YG
MAIN_YG
MAIN_CB
MAIN_CB
MAIN_CBG
MAIN_CBG
MAIN_CR
MAIN_CR
MAIN_CRG
MAIN_CRG
SUB_Y
SUB_YG
SUB_YG
IP BASE
SUB_CB
SUB_CBG
SUB_CBG
SUB_CR
SUB_CRG
SUB_CRG
Y_SW
HD-SYNC
SELBSD
V1_V3
R174
AV SELECTOR
100