Kenwood KRF-V7771D Service Manual page 13

KRF-V7771D/V8881D/VR-2080/2090
QQ
3 7 63 1515 0
6. Sub microprocessor uPD78058GC-A74 (X08 : IC66)
6-1 Microprocessor periphery block diagram
(X08)
IC62
A IN
CDDEC
D IN
CS4226
A OUT
TE
L 13942296513
www
.
14
CIRCUIT DESCRIPTION
CLOCK
DATA
(X08)
IC52
DTS DECODER
DSP5609
CLOCK
(X08)
DATA
IC60
TC74HC
153A
CONFIGU-
RATION
DSP56007
DATA
VIDEO WIDE DETECT
VIDEO WIDE CHANGEOVER
CLIP INDICATOR CONTROL
CONTROL SIGNAL
AUDIO DATA, CLOCK
x ao
y
i
8
(X08) IC56
Ÿ DECODER
DSP56009
DATA
IC89
TC74HC
153A
(X08)
CLOCK
IC59
Q Q
3 6 7 1 3
CLOCK
u163
.
2 9 9 4 2 8
(X08)
IC92
TC74HC
123A
(X08) IC66
SUB u-COM
uPD78058GC
–A74
1 5 0 5 8 2 9 9 4
(X08) IC69
MAIN u-COM
uPD78078GF-080
m
co
9 9
2 8 9 9