Kenwood KR-694 Service Manual page 16

KR-694/V5560/V6060
CIRCUIT DESCRIPTION
@ Port layout
uPD78043GF [K,P,M,X,Y type ]
uPD78044GF [E,T type ]
e522
2255
OOVNnND
NAA, >
~— > Ww WwW
WW x
x¥=¥Se
~ owowrem se Ne DODO er
EFERFREEDEEREEREEER
Z2Z2Z2228222222
owronWBWwWwwe Sw www
BOAO Ree eSB esas Ss
SESSSSSSSOTS5OOSSOG
Wy Lu Lu Lu Lu W WwW Ww Ws Ww uo
HODONDNDNNDNNNPNHNNNNVHMNW
GRID 6 1 SEGMENT 12/KEY SCAN4
GRID 7 2 SEGMENT 13/KEY SCANS5
GRID 8 3 SEGMENT 14/KEY SCAN6
GRID 9 4 SEGMENT 15/KEY SCAN7
GRID 10 5 SEGMENT 16/KEY SCAN8
GRID11 6 59 KEY RETURN 0
GRID 1 z u PD78043GF KEY RETURN 1
Vdd 8 KR-694/V5560/V6060 : KEY RETURN 2
CLOCK(COMMON) KR-V7060/V8060 KEY RETURN 3
DATA(COMMON) [ K/P/M/X/Y/R type ] KEY RETURN 4
DSP/DELAY ST. bea tole 4/8 SELECTOR IN
SELECTOR ST. ue PD78044GF MUTE
POWER RELAY KR-V6060 Vdd
SPEAKER B RELAY : KR-V7060 D MUTE
SPEAKER A RELAY [ E/T type] DSP LOGIC(LED) MUTING
SPEAKER S RELAY 6 STAND-BY(LED) '"f¥5560)
RESET Vss
4/8 SEL. RELAY KR-V6060 only REMOCON
VIDEO 1/2 SELECTOR 19 KR-V8060 only : DSP(LED)
GND(AVss) 20 KR-va060 only | 45: 4053 INH
CE 21
ze
KR-V8060 only | 44
4053 P/DL
TUNER MUTE 3 8 KR-V8060 only YM7128(ST.)
STEREO 23 $8 S.BUSY
SIGNAL DETECT 24 e's S.DATA
~ OD ora oo
NNN mM oO) Oo
FIESS Ola S@xQX77GSE
GtaeQacSswlas oS iO
EFuwSes £5°8 asovsa
ZOaN >e 2 = >w
> NE oe oO ee Ss
o 22) ~ oO ofS
in = > =~ 5
(_] Putt up
(==) PULL DOWN
| : pPD78044GF ONLY
17