Canon DADF-Q1, Service Manual

Page: 25 / 156

Chapter 2
2-3
-Inputs to ADF Controller PCB(2/2)
F-2-3
+5V +5V
TNSAJ
TNS
J14-B1
-B4
-B3
-B2
-4
-1
-2
-3 -2
-5
-4
-3 -4
-1
-2
-3
S1
+5V +5V
RGBSAJ
RGBS
J13-8
-3
-4
S2
RGASAJ
RGAS
-5
-6
-7
-1
-6
-5
-4
-3
-2
-8
-3
-4
-5
-6
-7
-6
-1
-2
-3
-4
-5
-1
-6
-5
-4
-3
-2
-1
-6
-5
-4
-3
-2
S3
+5V
+5V
SPSAJ
SPS
J13-14
-9
-10
S4
SKSAJ
SKS
DTS
DTSAJ
TAILSAJ
TAILS
SSW-0
SSW-1
SSW-2
SSW-3
SSW-4
-11
-12
-13
J13-2
-1
-7
-8 -2
-1
-2
-1
-3
-2 -1
-2 -2
-1
-1
-6
-5
-4
-3
-2
-1
-6
-5
-4
-3
-2
-6
-1
-2
-3
-4
-5
S5
S6
+5V
+5V
MFRGSAJ
MFRGS
J2-4
-7
-6
-5
S9
+5V
+5V
S7
J14-A1
-A2
J5-12
-9
-10
-11
J5-6
-5
-4
-3
-2
-1
-2
-5
-4
-3
-8
-9
-10
-11
-12
-13
J144
J149
J131
J134
J132
J136
J140
J145
J133 J132 J135
-9
-6
-7
-8 -4
-7
-6
-5 -1
-4
-3
-2 -7
-4
-5
-6 -4
-1
-2
-3
J23 J21 J25
SW301
J51
Reference signal for
paper detection
When paper is present, '0'.
Paper
Reversal sensor
Pre-registration
roller paper sensor
Post registration
roller paper sensor
Separation sensor
Skew sensor
Original sensor
(light-receiving)
Original sensor
(light-emitting)
Original trailing
edge sensor
Manual feed
registration roller
paper sensor
ADF controller PCB
Reference signal for
paper detection
When paper is present, '0'.
Reference signal for
paper detection
When paper is present, '0'.
Reference signal for
paper detection
When paper is present, '0'.
Reference signal for
paper detection
When paper is present, '0'.
When paper is present, '0'.
Light intensity adjustment
signal
Light intensity adjustment
signal
When paper is present, '1'.
Light intensity adjustment
signal
When paper is present, '1'.
Signal according to
paper width
Reference signal for
paper detection
When paper is present, '0'.
Pickup tray
PCB
Original
width
detecting
switch
Compar
ator
circuit
Compar
ator
circuit
Compar
ator
circuit
Compar
ator
circuit
Compar
ator
circuit