Inputs To The Dc Controller (3/3) - Canon NP7160 Service Manual

3. Inputs to the DC Controller (3/3)

AE sensor
SW651
SW652
Cassette size
SW653
switch PCB
SW654
TH1
Main
thermistor
TH2
Sub
thermistor
TH3
Cleaner
thermistor
COPYRIGHT © 1998 CANON INC.
J531
-4 -1
-3 -2
-2 -3
-1 -4
J16
-2
-3
-4
-5
-1
J23
-2 -1
-1 -2
Figure 2-108
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
DC controller PCB
J103
+24V
-A4
-A3
AE_DATA
-A2
AE_REF
-A1
J110
-4
CSTS0
-3
CSTS1
-2
CSTS2
-1
CSTS3
-5
J108
+5V
-1
When the temperature of the fixing roller
increases, the voltage lowers.
-2
TH1
(analog signal)
-3
When the main thermistor is connected to
-4
TH1_DT
the DC controller PCB, '1'.
J109
-1
TH2 When the temperature of the fixing roller
increases, the voltage lowers.
-2
(analog signal)
J112
-1
CLTH When the temperature of the drum cleaner
assembly increases, the voltage lowers.
-2
(analog signal)
See p. 4-21.
See p. 5-7.
2–11