Kenwood KA-7090R Service Manual page 10

6-2. Pin connection
NAME
KA-7090R
CIRCUIT DESCRIPTION
DESCRIPTION
DESTINATION 14 COMPOKK's DISCRIMINATION PORT
POWER ON
POWER RELAY CONTROL TERMINAL
COMPO CLR
xIyjrc\|r
CONTROL IC(NJU3711)CLR SIGNAL OUTPUT TERMINAL(KA-7090R)
NOT USED
Ti rly
K's MD MONITOR
"REC OUT" LED CONTROL TERMINAL (KA7090R)
"MD MONITOR" LED CONTROL TERMINAL
MUTING-30
COMPO "AeTeT" LED RELAY CONTROL TERMINAL (KA-7090R)
K's "A MUTE" LED TERMINAL
AUDIO MUTE "MUTING" SIGNAL OUTPUT TERMINAL
HEAD PHONES
ps ee Oe
HEAD PHONES CONTROL TERMINAL
CTlrcjir
S DATA
SERIAL DATA
S BUSY SERIAL BUSY
V DOWN
VOLUME DOWN SIGNAL OUTPUT TERMINAL
Vv UP
VOLUME UP SIGNAL OUTPUT TERMINAL
KEY (TACT)
| KEY INPUT TERMINAL
5 KEYS (KA-7090R)
KEY INPUT TERMINAL 5 KEYS (K's)
SPEAKER SEL " SPEAKER SELECTOR " INPUT TERMINAL
SEL IC DATA SELECTOR IC DATA
SEL IC CLOCK SELECTOR IC CLOCK
SEL IC ST SELECTOR IC STROBE
INPUT SEL
V REF
INPUT SELECTOR SW INPUT/CONTROL TERMINAL
A/D REFERENCE VOLTAGE
X IN OSCILLATOR (8MHz)
X OUT
OSCILLATOR (8MHz)
VSS GND
VCC
+5V
NOT USED
MICROPROCESSOR CHIP ENABLE : ENABLE
RESET RESET SIGNAL INPUT TERMINAL
PROTECTION PROTECTION DETECTION
REMOCON IN
REMOTE CONTROL INPUT TERMINAL
SOURCE.DIR B
; COMPO — NOT USED
K's ROTARY ENCODER B SIGNAL INPUT TERMINAL
SOURCE.DIR A
COMPO — NOT USED
K's ROTARY ENCODER A SIGNAL INPUT TERMINAL
SP B
SPEAKER RELAY B CONTROL TERMINAL
SPEAKER RELAY A CONTROL TERMINAL
lou
Renke) COMPO(NJU3711)CONTROL ST SIGNAL OUTPUT TERMINAL (KA-7090R)
K's "CD.DIR"LED CONTROL TERMINAL
Tr | T| er
SOURCE DIR ""SOURCE.DIR"LED CONTROL TERMINAL
LOUDNESS "LOUDNESS" LED CONTROL TERMINAL
ON/STANDBY "ON/STANDBY" LED CONTROL TERMINAL
INPUT TAPE "TAPE" LED/RELAY CONTROL TERMINAL
MD
"MD" LED/RELAY CONTROL TERMINAL
cD
"CD" LED/RELAY CONTROL TERMINAL
AUX "AUX" LED/RELAY CONTROL TERMINAL
TUNER "TUNER" LED/RELAY CONTROL TERMINAL
PHONO
0;0/0/0)/0}/0;0;
0/0 "PHONO" LED/RELAY CONTROL TERMINAL
COMPO 8/16
K's DESTINATION2
SERIAL 8/16 BIT DISCRIMINATION TERMINAL (KA-7090R)
: KAF-7002 MODEL DISCRIMINATION TERMINAL : KAF-5002
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