Canon A-1 Repair Manual page 136

11. GND (UP)
Ground (Earth) Connection
12. SAVE (12P)
-
1 .<H.2V
o
Fig. 3-31
sv
JoJ!
S'" S
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,Jl'I'
r
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Fig. 3-32
70
(Trigger: AECG)
This 1s the signal from the
segmented aperture value
e l ectrode plate (SAVE) to
the CPU IC. It consist of
an ON-OFF seri es as the
brush passes over the
plate .
(Trigger: SMGl leading edge,
negative going)
(Note: This waveform is
included for informa-
tion only. It is not
normally possible to
simultaneously dis-
play three waveforms . )
This waveform shows the
relatiopship between the
SAVE signal, SMGl s ignal
and the release of MG1.
I