Operation Of The Pcbs - Kyocera KM-4230 Service Manual

2-3 Operation of the PCBs

2-3-1 Power source PCB .............................................................................. 2-3-1
2-3-2 Engine PCB ........................................................................................ 2-3-3
2-3-3 Main PCB ............................................................................................ 2-3-4
2-3-4 Memory copy PCB .............................................................................. 2-3-6
2-3-5 Scanner motor PCB ............................................................................ 2-3-8
2-3-6 CCD PCB ............................................................................................ 2-3-9
2-3-7 DF driver PCB ................................................................................... 2-3-11
2-3-8 Operation unit main PCB,operation unit right PCB,and
operation unit left PCB ...................................................................... 2-3-12
(1) Operation unit left PCB .............................................................. 2-3-14
(2) Operation unit right PCB ........................................................... 2-3-15
2-3-9 Deck main PCB (42 ppm: optonal/52 ppm: standard) ...................... 2-3-16
(1) Paper deck motor drive circuits ................................................. 2-3-17
(2) Clutch drive circuit ..................................................................... 2-3-18
(3) Operational principle of reflective photosensors PPSENS1,
PPSENS2, PPSENS3 and PESENS ......................................... 2-3-19
(4) Reset circuit ............................................................................... 2-3-20
CONTENTS
2A3/4
1-1-15