Sharp R-4A52 Service Manual page 22

R -4A52
R-4E52
PIN NO.
_-_- --_--
i-36
1 SIGNAL 1 K6
~-
L I/O 1 IN
_-__--_______
Signal cominq from touch key.
When either one of D-10 line keys on key matrix is touched, a corresponding signal will be input into K6.
PIN NO. i 37
1 SIGNAL j K5 1 I/O j IN
Sianal coming from touch key.
When either one of D-l 1 line keys on key matrix is touched, a corresponding signal will be input into K5.
PIN NO. / 38
1 SIGNAL j K4 IN
--___~
Signal coming from touch key.
When either one of D-l 2 line keys on key matrix is touched, a corresponding signal will be input into K4.
PIN NO. 39
1 SIGNAL j K3
I I/O
( IN
--_
Terminal not used.
PIN NO. / 40
SIGNAL j K2
I I/O
/ IN
Input signal which communicates the do&r open/close information to LSI.
Door closed; "H" level signal.
Door opened; "L" level signal.
PIN NO. 1 41
1 SIGNAL 1 Kl
I
I/O
1 IN
Terminal not used.
PIN NO. 1 42 1 SIGNAL / KO
Terminal not used. Connected to GND.
I/O
I
I IN
-I_---_---
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