Black Box IC515C Service Manual Page 63

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  • TROUBLESHOOTING
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60
12. RA-4 Video Circuit Troubleshooting
BR BOARD
10
8
6
2
4
IC306
3 CH
8 BIT
ADC
IC303
13.5MHz
PLL
IC466
SYNC
SHIFT
IC301
54M
CLOCK
IC305
TBC
IC644
1 MB
MEMORY
IC645
1 MB
MEMORY
IC562
uP
CONV.
CDX2070Q
IC460
CLOCK
DRIVER
IC463
uP CONVERTER
CXD2062Q
IC641
CLOCK
DRIVER
IC304
uP
CONV.
CXD2071R
2
4
6
8
10
13
14
FROM
CN516
A BOARD
CN302
M-Y
M-B-Y
M-R-Y
8 BIT
Y
8 BIT
C
M-VD
M-HD
8 BIT Y
8 BIT C
CN301
RC-Y
RC-B-Y
RC-HD
RC-VD
TO
A BD.
CN511
NOM Y
BRMI
CN302
13M
27M
12.6TVP14 6/11/02
FIGURE 12-6 - DRC (DIGITAL REALTY CREATION)
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