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2DA/2DB-1
2-3-13
YC19
1
+5V2
O
5 V DC power supply for OSDS
Connected
to the origi-
nal size
detection
sensor
2
ORGLSWN
I
OSDS on/off
3
SGND
-
Ground
YC20
1
+5 V
I
5 V DC power supply from PSPCB
Connected
to the power
source PCB
2
SGND
-
Ground
3
PGND
-
Ground
4
+24V4
I
24 V DC power supply from PSPCB (Via LCSSW)
YC21
1
+24V
I
24 V DC power supply from PSPCB
Connected
to the power
source PCB
2
+24V1
I
24 V DC power supply from PSPCB
3
+24V1
I
24 V DC power supply from PSPCB
4
PGND
-
Ground
5
PGND
-
Ground
6
COUNTN
-
Not used
7
MHEATN
O
FH-M on/off
8
SHEATN
O
FH-S on/off
9
SLEPN
O
Power source sleep signal
10
ZCROSSC
O
Zero-cross signal
11
SGND
-
Ground
12
+24V2
I
24 V DC power supply from PSPCB (Via LCSSW)
13
SGND
-
Ground
14
+5V3
I
24 V DC power supply from PSPCB (Via LCSSW)
YC22
1
C1PLSW3N
I
PLSW on/off
Connected
to the paper
size length
switch and
toner con-
tainer detec-
tion switch
2
C1PLSW2N
I
PLSW on/off
3
SGND
-
Ground
4
C1PLSW1N
I
PLSW on/off
5
TCONDET
I
TCDSW on/off
6
SGND
-
Ground
YC24
1
+24V4
O
24 V DC power supply for RMPCB
Connected
to the regis-
tration motor
PCB
2
SGND
-
Ground
Connector
Pin No.
Signal
I/O
Description
Содержание KM-1650
Страница 1: ...SERVICE MANUAL Published in June 05 2DA70763 Revision 3 KM 1650 2050 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 248: ...2DA 2DB 1 2 3 2 Figure 2 3 2 Power source PCB silk screen diagram 220 240 V AC 120 V AC ...
Страница 265: ...2DA 2DB 1 2 3 19 Figure 2 3 10 Operation unit PCB silk screen diagram ...
Страница 280: ......