JVC AV-48WP34/AHA Service Manual page 66

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MAIN PWB CIRCUIT DIAGRAM [4/12]
IC242
TA78L09F-X
9V REG.
12V
C241
C242
0.1
0.1
PS
PS
9V
3D_C
C244
0.1
PS
BUFFER
R251
100
3D_Y
Y242
0
SCL2
SDA2
Y243
0
Y244
X
SCL0
SDA0
Y245
X
No.51914
L243
*L21
C245
47/16
L244
*L21
MAIN
C259
PS
0.1
0.1
PS
C260
NC
C254
X241
NC
220/16
CE41651-001Z
R264
C261
NC
1.5k
15p CH
W-K2
NC
C253
R265
NC
0.01
15k
C262
470p
C243
CH
47/16
C255
0.47
C263
0.01
C256
C250
*C1
0.1
C257
X
PS
R268
Q248
2.7k
*2
R258
R269
BUFFER
1k
Q246
3.3k
*1
Q242
R250
Q243
BUFFER
*1
3.3k
C264
*1
CLAMP
R260
100p
1k
CH
R271
R252
C252
3.3k
1.5k
C251
0.1
R253
N
R254
Q249
PS
C265
1k
10/25
39k
*2
100p
BUFFER
CH
AV-48WP30
AV-48WP30
C012
0.1
PS
R011
1K
VCC
C011
10p
CH
GND
IC011
TC7W04F-X
C266
R272
R273
0.1
100
100
PS
C267
X
C268
R280
X
100
R241
R242
C274
X
0
0
PS
/R-YIN
CPIN
/B-YIN
ABLFILIN
/B-YOUT
IC241
Y2OUT
R266
X
/R-YOUT
U2OUT
R267
X
CXA2019AQ
SVCC
V2OUT
XNTSC
JGND
R282
10k
VAS
CHROMA DECODER
X358
IREF
X433/358
JVCC
R283
6.8k
APC
AFC
C275
SECAMREF
CERA
1/50
C278
C276
C277
R284
0.01
220/16
0.01
390
CF241
QAX0529-001
R274
390k
1/10W
C269
4.7/50
C270
.47/50
Y156
C271
0
0.47/50
CHROMA
DECODER
IP
BLOCK
BLOCK
C272
R278
470
1/50
R270
2.2k
R279
C273
330
0.0047
MAIN PWB
2-11
2-12
R013
100
C013
R014
5p
22k
CH
BUFFER
NOTE
:
*1
2SC2412K/QR/-X
:
*2
2SA1037AK/QR/-X
*3
:
1SS355-X
*4
:
2SC3837K/NP/-X
*5
:
2SA1022/BC/-X
*6
:
IMX1-XW
NON MOUNT
X
:
(4/12)
(CHROMA DECODER)
SSB-1051A-M2
No.51914
VDMOUT
HDMOUT
Y_MAIN
CB_MAIN
CR_MAIN

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