Canon 1000 Service Manual page 58

3. OPERATION AND TIMING
Outputs from the DC Controller PCB (1/12)
To DCP1 24V
Power switch
Power-
saving
switch
SW8
DCP2
24V
DCP1D
From RL1
TP5
Holding tray heater
TP4
Cassette 1 heater
TP3
Cassette 2 heater
TP8001
Paper deck heater
Fixing Lower
M30
web drive motor
3-14
COPYRIGHT © 2001 CANON INC.
GND
Fixing lever SW
RL1
SW2
CVR
(See chapter 3
Reader
Controller
PCB)
AC input for fixing
heater
AC input for drum
heater/cassette
heater
AC driver PCB
DCP1U
J 2802
-11
-10
-9
-8
-7
-6
-4
-3
-2
-1
AC input
-5
for web
motor
DC controller PCB
J2334-5
PWSLCT With AC input path '1', from outlet; '1',
-6
through power-saving switch.
DACDT
-7
When input from outlet is detected, '1'.
24V
J2209B-11
-12
PWOFF*
When '0', power switch turns OFF.
J2223B-12
F-KBDT*
When fixing lever is set, '0'.
-13
THM1
TP1
Upper fixing heater
THM 2
TP2
Lower fixing heater
TR1
Upper fixing
heater triac
TR2
Lower fixing
heater triac
THM4
Y drum heater
THM5
Bk drum heater
THM6
M drum heater
THM7
C drum heater
J 2213H
-1
CSTHD
When '1', cassette heater/Paper deck heater turns ON.
-2
KDRHD When '1', Bk drum heater turns ON.
-3
CDRHD
When '1', C drum heater turns ON.
-4
MDRHD
When '1', M drum heater turns ON.
-5
YDRHD
When '1', Y drum heater turns ON.
-6
M30D
When '1', M30 turns ON.
-8
TERR-L*
When short-circuit is detected in lower fixing heater triac, '0'. (input signal)
-9
TERR-U*
When short-circuit is detected in upper fixing heater triac, '0'. (input signal)
-10
UHON
When '0', upper fixing heater turns ON.
-11
LHON
When '0', lower fixing heater turns ON.
-7
Figure 3-114
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
5V
J2209A -9
THM1 (input signal)
5V
-10
THM2 (input signal)
-8
5V
J2216A- 4
THM4 (input signal)
- 5
5V
J2216B- 9
THM5 (input signal)
-10
5V
J2216- 9
THM6 (input signal)
-10
5V
J2216B- 4
THM7 (input signal)
- 5