Canon PC740 Service Manual - Page 86
Canon PC740 Manual
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®OPERATIONS AND TIMING mm +5V Relay RL601 Auxiliary power supply 4 RLOFF* +5V Fuse FU1 Fixing heater end temperature detection TH2 TH Fixing heater temperature detection _J Fixing heater Fixing heater end overheating detection circuit Fixing heater error temperature detection circuit Timer circuit HTNG Microprocessor HTOFF HTRD you Composite power supply PCB Figure 3-410 DC controller PCB 3 - 46 COPYRIGHT © 1994 CANON IHc. CANON PG729I740050G10 REVD AUG.1994 PRINTED IN JAPAN 1IMPRIME AU JAPAN)
®OPERATIONS
AND
TIMING
mm
+5V
Relay
RL601
Fuse
FU1
Fixing
heater
end
temperature
detection
TH2
TH
_J
Auxiliary
power
supply
4
RLOFF*
Fixing
heater
end
overheating
detection
circuit
Fixing
heater
temperature
detection
Fixing heater
+5V
Timer
circuit
HTNG
Fixing
heater
HTOFF
error
temperature
detection
circuit
HTRD
you
Composite
power
power
supply
PCB
Figure
3-410
Microprocessor
DC
controller
PCB
3
-
46
COPYRIGHT
©
1994
CANON
IHc.
CANON
PG729I740050G10
REVD
AUG.1994
PRINTED
IN
JAPAN
1IMPRIME
AU
JAPAN)