Service manual

2DA/2DB-1
2-3-7
Connector Pin No. Signal I/O Description
1 +5VSLEEP O 5 V DC power supply from LCDPCB
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
1 +24V I 24 V DC power supply from PRNPCB
2SGND - Ground
3 +12VCCD I 24 V DC power supply from PRNPCB
4 E2CSGND - Ground
5 E2CRSTN I Reset signal
6E2CEGIRN 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
1SGND - Ground
2
C2PW_UP_PRTN I C2PW_UP_PRTN signal
3SGND - Ground
4 C2PW_RST_PRTN O C2PW_RST_PRTN signal
5SGND - Ground
6C2PEGIRN 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
YC7
Connected
to the LCD
PCB
YC10
Connected
to the
printer
board PCB
YC11
Connected
to the
printer
board PCB