KRF-V7771D/V8881D/VR-2080/2090
14
CIRCUIT DESCRIPTION
6. Sub microprocessor uPD78058GC-A74 (X08 : IC66)
6-1 Microprocessor periphery block diagram
MAIN u-COM
uPD78078GF-080
(X08)
IC62
A IN
D IN
A OUT
CDDEC
CS4226
(X08)
IC52
DTS DECODER
DSP5609
CLOCK
DATA
(X08) IC56
Ÿ
DECODER
DSP56009
(X08)
IC92
TC74HC
123A
DATA
DATA
CLOCK
DATA
DATA
IC89
DATA
CLOCK
CLOCK
CLOCK
(X08)
IC60
TC74HC
153A
TC74HC
153A
(X08)
IC59
CONFIGU-
RATION
DSP56007
(X08) IC66
SUB u-COM
uPD78058GC
–A74
VIDEO WIDE DETECT
VIDEO WIDE CHANGEOVER
CLIP INDICATOR CONTROL
CONTROL SIGNAL
AUDIO DATA, CLOCK
(X08) IC69
KRF-V7771D(K)
COVER(
98.12.8
18:58
y [ W 19
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