Kyocera FS-1128MFP Service Manual - Page 244
Scanner PWB silk-screen diagram, Connector, Signal, Voltage, Description, YC101
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2JN 5 1 6 2 YC103 YC104 7 1 4 YC106 1 6 YC108 1 12 YC101 YC109 15 14 YC102 13 1 2 YC107 5 1 YC105 9 1 10 2 Figure 2-3-6Scanner PWB silk-screen diagram Connector Pin Signal YC101 1 +24V1 Connected 2 N.C. to the power 3 GND source PWB YC102 Connected to the control PWB YC103 Connected to the control PWB YC104 Connected to the ISU motor 1 SEGIR 2 SSDIR 3 SSBSY 4 SEGSI 5 SSCKN 6 SEGSO 7 PAGESET 8 OVMONOUT 9 CPURDY 10 CPUSEL 11 CPUSO 12 CPUSI 13 CPUCLK 14 +3.3V1 15 GND 1 +12V 2 GND 3 HPSW 4 GND 5 NC 6 LAMP 1 SCMOT1A 2 SCMOT2B 3 SCMOT1B 4 SCMOT2A I/O Voltage O 24 V DC -- -- Description 24 V DC power source Not used Ground O 0/3.3 V DC Serial communications interruption demand O 0/3.3 V DC Serial communications trans./recep. change O 0/3.3 V DC Impossible transmission/Completion notice I 0/3.3 V DC (pulse) Serial communications data output I 0/3.3 V DC (pulse) Serial communications clock O 0/3.3 V DC Vertical synchronizing signal I 0/3.3 V DC Vertical synchronizing monitor signal I 0/3.3 V DC Communications ready signal I 0/3.3 V DC Communications ready signal O 0/3.3 V DC Communications select signal I 0/3.3 V DC (pulse) Serial communications data input O 0/3.3 V DC (pulse) Serial communications data output O 0/3.3 V DC (pulse) Serial communications clock signal I 3.3 V DC 3.3 V DC power source -- Ground I 12 V DC 12 V DC power source -- Ground I 0/3.3 V DC Home position sensor: On/Off -- Ground -- Not used I 0/24 V DC Exposure lamp drive signal O 0/24 V DC (pulse) ISU motor drive pulse O 0/24 V DC (pulse) ISU motor drive pulse O 0/24 V DC (pulse) ISU motor drive pulse O 0/24 V DC (pulse) ISU motor drive pulse 2-3-10