Epson RX580 - Stylus Photo Color Inkjet, Service Manual

Page: 97 / 107

EPSON Stylus PHOTO RX560/580/590 Revision A
Appendix Connectors 97
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CD-R Tray / Mode Sensor
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PF Encoder
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Power cable connector
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Switch panel connector
SCANNER UNIT
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CIS Unit
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Scanner Encoder Board
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Scanner motor connector
Pin No. Signal on Main Board Signal on Mechanism Side Remarks
1 CDR-MD SIG CD-R Guide Sensor signal
2 CDR-MD GND Grounding
3 CDR-TRY SIG CD-R Tray Sensor signal
4 CDR-TRY GND Grounding
Pin No. Signal on Main Board Signal on Mechanism Side Remarks
1 PF-ENC GND Grounding
2 PF-ENC ENCB PF Encoder B signal
3 PF-ENC EVDD Power to PF Encoder (+3.3V_SN)
4 PF-ENC ENCA PF Encoder A signal
5 PF-ENC GND Grounding
Pin No. Signal Connected to Function
1 +42V - +42V
2 GND - Grounding
3 PSC - Power supply control
Pin No. Signal DESCRIPRION
1 PSW PSW of E01A73B*
2 GND Grounding
3 +3.3V +3.3V
4 SDI PNLSDI of E01A73B*
5 SCLK PNLCLK of E01A73B*
6 SLAT PNLLAT of E01A73B*
7 SENB PNLLEDEN of E01A73B*
8 SDO PNLSDO of E01A73B*
Pin No. SYMBOL I/O DESCRIPRION
1 LEDCA --- LED COMMON (Anode)
2 øLEDB I LED PULSE BLUE
3 øLEDG I LED PULSE GREEN
4 øLEDR I LED PULSE REG
5 VDD --- DIGITAL POWER SUPPLY
6 GND --- GROUND
7 TR I START PULSE
8 RES1 I RESOLUTION SELECT 1
9 RES2 I RESOLUTION SELECT 2
10 XRST I RESET PULSE
11 MCK I MASTER CLOCK
12 GND --- GROUND
13 VAD --- ANALOG POWER SUPPLY
14 VOS O ANALOG OUTPUT SIGNAL
Pin No. Signal Connected to Function
1 GND GND Grounding
2 ChA ENC_A Scanner encoder A signal
3 Vcc Vcc Power to scanner encoder
(+3.3V_SN)
4 ChB ENC_B Scanner encoder B signal
Pin No. Signal on Main Board Signal on Motor Side Remarks
1 SCN_B B Scanner motor wire B
2 SCN_A A Scanner motor wire A