Kenwood KR-694 Service Manual page 17

KR-694/V5560/V6060
CIRCUIT DESCRIPTION
@ Pin description
For pin numbers marked by an asterisk(*) the upper row is .PD78043GF and the lower ({- |) row is uPD78044GF.
A/D power supply(GND)
A
2
wPD78044GF ©
*28
o nn
w ao
uPD78043GF | OUT
- pPD78044GF.| OUT
®
w
:
nN
OUT
ATT(RDS)
YM7128(CLK)
SIGNAL LEVEL(RDS)
AVdd
AVret
PROTECT
OPEN
Vss
39 OuT | VOLUME UP
| 40 | ouT | VOLUME DOWN
41 vo | S.DATA
Atineter control ee S e d e
DSP IC Clock for control
SIGNAL LEVEE (A/D)
A/D Power supply
A/D Reference voltage (+5V)
8 bit system DATA
18