Sharp R-7A55 User Manual

23
R-7A55(W)/(B)
R-7E45(W)/(B)
48-49 R80-R81 OUT Segment data signal.
Signal similar to D12.
50 R82 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-3 line keys on key matrix is touched.
51 R83 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-4 line keys on key matrix is touched.
52 R90 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-5 line keys on key matrix is touched.
53 R91 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-6 line keys on key matrix is touched.
54 R92 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-7 line keys on key matrix is touched.
55 R93 OUT Segment data signal.
Signal similar to D12.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R20-R23 terminal
while one of G-8 line keys on key matrix is touched.
56-59 R10-R13 OUT Segment data signal.
Signal similar to D12..
60 R20 IN Signal coming from touch key.
When either one of G-9 line keys on key matrix is touched, a corresponding signal
will be input into R20. When no key is touched, the signal is held at "L" level.
61 R21 IN Signal coming from touch key.
When either one of G-10 line keys on key matrix is touched, a corresponding signal
will be input into R21. When no key is touched, the signal is held at "L" level.
62 R22 IN Signal coming from touch key.
When either one of G-11 line keys on key matrix is touched, a corresponding signal
will be input into R22. When no key is touched, the signal is held at "L" level.
63 R23 IN Signal coming from touch key.
When either one of G-12 line keys on key matrix is touched, a corresponding signal
will be input into R23. When no key is touched, the signal is held at "L" level.
64 Vdisp IN Anode (segment) of Fluorescent Display illumination voltage: -26V.
Vp voltage of power source circuit input.
Pin No. Signal I/O Description

Sharp R-7A55 Specifications

General

Brand	Sharp
Model	R-7A55
Category	Microwave Oven
Language	English