Input To The Dc Controller (3/5) - Canon NP6330 Service Manual

CHAPTER 2 OPERATIONS AND TIMING

3. Input to the DC Controller (3/5)

Lens home
position sensor
PS19
Blank shutter home
position sensor
PS20
AE sensor
AE
MSW1
Wire cleaner home
position switch
MSW2
Wire cleaner rear
position switch
SSW
Service switch
TS1
Toner sensor
TH1
Thermistor
2-10
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Motor driver 1 PCB
J82 J79
J204
±5V
-1
-3 -11 -3
J203 J107
-2 -12 -2
-1
-2
-1
-3
-1 -13
Motor driver 2 PCB
J953 ±5V
J27 J24
-1
-1
-9 -11
J951 J114
-2
-2
-8 -3
-10
-3
-3 -9
-7
Motor driver 1 PCB
J80 J79 J204 J203
-1 -10 -4 -10 -2
-2 -11 -3 -11 -3
-3 -12 -2 -12 -4
-4 -13 -1 -13 -5
J35
-3
NO -9
C
-8 -4
NO -5
-7
C
-6 -6
Control panel PCB
J809
J803
J803
-1 -12 -1 -10
-2 -3 -1
-10
J57
-1 -1
-2 -2
-3 -3
J34
-1 -1
-3 -3
Figure 2-107
DC controller PCB
when lens is at home position,'1'.
-10
LHP
(light-blocking plate is at PS19)
when PS20 detects blank shutter, '1'.
-12A
BLHP
(light-blocking plate is at PS20)
±24VA
J107
-9
-8
AE
See p.4-16
-7
AEREF
-6
J109
when transfer corona wire cleaner
-10A
WCHP
is at home position (front), '1'.
-9A
when transfer corona wire cleaner
-8A
WCRP
is at rear, '1'.
-7A
±5V
J110
when service switch is pressed, '1'.
-1B
-10B
SERVICE
±5V
J117
-5A
-4A
when toner in developing assembly
TEP
*
-3A
is blow specific level, '0'.
J109
-10B
TH1
when surface temperature of fixing
roller increases,
-9B
voltage decreases .(analog)
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)