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CIRCUIT DESCRIPTION
NAME
DESCRIPTION
REMARKS
Xcin
Xcout
Timer clock input(32.768KHz)
Xin
Xout
Main clock input(8.38MHz)
Vss
(GND)
KR3 ~ KRO
Key return 3 ~0
E-OE
Expander IC(BU4094BF) enable control
7
SEL-STB
Selector IC(NJU7313AM) strobe
G8 ~ G1
FL grid output G8 ~ G1
$40 ~S15_
FL segment output S40 ~ S15
SI4/KS14 ~ S5/KS5
FL segment/Key scan output S14/KS14~S5/KS5
Vcc
(Micom power)
S4/KS4~S1/KS1
CW
Rotary encoder input B
cw
Rotary encoder input A
Full down power
1.5 Key scan line input
NAME
DESCRIPTION
SLT
CD limit SW
DNSW
CD down SW
UPSW |
CD up SW
LDSW
CD load SW
UNLOAD
CD unload SW
A-PACK
A deck tape detection
_B-PACK
B deck tape detection
A-CrO2
A deck Normal/CrO2 detection
B-CrO2
B deck Normal/CrO2 detection
A-PLAY
A deck PLAY — SW
B deck PLAY — SW
Forward REC detection
Reverse REC detection
| PCB TEST mode
Decided model(D)
Decided destination(D)
Decided tuner destination(D)
PLL stereo input
-
Station detector input
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