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2DA/2DB-1
2-3-7
YC7
1
+5VSLEEP
O
5 V DC power supply from LCDPCB
Connected
to the LCD
PCB
2
-12V
O
-12 V DC power supply from LCDPCB
3
LCDUD3
O
LCD display data signal
4
LCDUD2
O
LCD display data signal
5
LCDUD1
O
LCD display data signal
6
LCDUD0
O
LCD display data signal
7
LCDCP
O
LCD display control signal
8
LCDFLM
O
LCD display control signal
9
LCDENB
O
LCD display control signal
10
LCDLP
O
LCD display control signal
11
LCDVO
O
LCD display control signal
12
SGND
-
Ground
13
LCDGND
-
Ground
YC10
1
+24V
I
24 V DC power supply from PRNPCB
Connected
to the printer
board PCB
2
SGND
-
Ground
3
+12VCCD
I
24 V DC power supply from PRNPCB
4
E2CSGND
-
Ground
5
E2CRSTN
I
Reset signal
6
E2CEGIRN
I
Engine communication E2CEGIRN signal
7
PDMASKN
I
Printing image interval signal
8
E2CEGSO
I
Engine serial communication reception
9
E2CSCKN
O
Engine communication clock signal
10
+5V
I
5 V DC power supply from PRNPCB
11
E2CEGSI
O
Engine serial communication transmission
12
+5V
I
5 V DC power supply from PRNPCB
13
E2CSBSYN
I
Engine communication E2CSBSYN signal
14
+3.3V
I
3.3 V DC power supply from PRNPCB
15
E2CSDIR
I
Engine communication E2CSDIR signal
16
PLGCLK
O
PM clock signal
17
OUTEPN
I
Laser diode output signal
18
PVSYNC
I
Printing image interval signal
19
OVSYNC
I
Original scanning interval signal
20
+5VAPC
I
5 V DC power supply from PRNPCB
YC11
1
SGND
-
Ground
Connected
to the printer
board PCB
2
C2PW_UP_PRTN
I
C2PW_UP_PRTN signal
3
SGND
-
Ground
4
C2PW_RST_PRTN
O
C2PW_RST_PRTN signal
5
SGND
-
Ground
6
C2PEGIRN
O
Engine communication C2PEGIRN signal
7
C2PEGSO
O
Engine serial communication transmission
8
+5V
I
5 V DC power supply from PRNPCB
9
C2PSCKN
I
Engine communication clock signal
10
+5V
I
5 V DC power supply from PRNPCB
11
C2PEGSI
O
Engine serial communication reception
12
+5V
I
5 V DC power supply from PRNPCB
13
C2SBSYN
O
Engine communication C2SBSYN signal
14
+3.3V
I
3.3 V DC power supply from PRNPCB
15
C2PSDIR
O
Engine communication E2CSDIR signal
16
PRBDN
O
Laser sync signal
17
SGND
-
Ground
18
C2PVIDEO_PRN_N
I
C2PVIDEO_PRN_N signal
19
C2PVIDEO_PRN_P
I
C2PVIDEO_PRN_P signal
20
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: ......