Canon A-1 Repair Manual page 126

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60
20, ... \1
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Fig. 3-11
17. AR50 (8P)
2()j
mV
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Fig. 3-12
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Input to AR5 operational
amplifier which is MOS OUT
from OPT Ie •
(See also 17)
OUt of AR5 operational
amplifier which is
amplified MOS OUT.
H' ...
T'
I--
t ( -
ti I-ft-
f-
I-ARII
(AR2) ARI
Fig. 3-13
AR.,..
o H' varies with brightness:
High BV, H' is small
Low BV, H' is large
o t l' is fixed at 10 mS