Sharp CD-JX20X(GY) Service Manual page 22

1851 AFZ;Z (IX1 851 AF)
Pin No. Terminal Input/Output Signal
Function
Active H/L
Name
8 / R63 1 Input / CSTI /Tl cassette detection (H: Not found, L: Found)
jL
9 j R70
Input RUN2
T2 rotation pulse detection L
12
/ R73
/Input
13 RAO
Input
1 PLY2
/T2 PLAY state detection (H: OFF, L: ON)
(FR2 T2 FF/REW state detection (H: OFF, L:ON)
21' PlO
22' Pll
23 P12
24 P13
output
output
output
output
H DUB IND High-speed dubbing indicator (H: OFF (goes out), L: ON (lights) L
N DUB IND Constant speed dubbing indicator (H: OFF (goes out), L: ON (lights) L
Tl IND Tl indicator (H: OFF (goes out), L: ON (lights)
L
T2 IND
T2 indicator (H: OFF (goes out), L: ON (lights) L
25 TEST Input
--_
Test terminal, Open or GND
26 vss " GND Earth
L
27* VDD Input VDD
Power supply
28*
P20
output
PAUSE IND PAUSE indicator (H: OFF (goes out), ON (lights)) L
36'
j RBO output Key matrix output
37
RBl output Key matrix output
38 RB2 output
Key matrix output
39
RB3 output Key matrix output
40
KOO Input
Key matrix input
* Terminal marked with * is terminal not connected externally (open).
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