Description
This manual describes necessary'means and method for trouble-shooting of JD-700M/800M series. 1-1 Free Datasheet http://www.0PDF.com 2. OUTLINE 2. 1 APPEARANCE JD-700M/800M series 'consists, as shown in Fig. 2 - 1 DC power supply, keyboard, Monitor TV, floppy disk drive and control PCB which contains 8085A-2 microprocessor to control them. ~~ ~ Fig. 2 - 1 JD-700M/800M SERIES EXTERNAL VIEW .: -: " . ~: .. : Free Datasheet http://www.0PDF.com 1 1 1 1 1 1 1 FLOPPY DlSK 1 1 1 1 1 CQNTRAS1' VR 1 1 1 NONGLARE MONlTORTV MAlN POWER SWlTCH 1 1 1 1 1 1 1 1 1 1 1 1 1 Fig. 2.2 JO.70OM SERIES EXTERNAL LAYOUT 1 1 MONlTORTV DC POWER SUPPL'( FLOPPY D'SK "TRANSFORMER ACCORD Fig. 2.3 JO.700M SERIES INTERNAL LAYOUT 2-2 Free Datasheet http://www.0PDF.com FLOPPY DISK NONGLARE MONITOR TV CONTRASTVR MAIN POWER SWITCH KEYBOARD Fig. 2 4 JD 800M SERIES EXTERNAL LAYOUT FLOPPY DISK FAN TRANSFORMER DC POWER SUPPLY AC CORD DDPLLPCB (ONLY FOR JD 840M) FLOPPY IIF CAB LE Fig. 2 5 JD 800M SERIES INTERNAL LAYOUT 2 3 Free Datasheet http://www.0PDF.com FUSE ACCOR~ ~" ".,.;.,.""~ . .
