Panasonic TOUGHBOOK CF-45 Series Service Manual

Also see for CF-45 Series: Reference manual Operating instructions Reference manual

4.3.2 Beep Error CodeCF-45Ret. PageNo..| Beep’ Sound Description Source of problem} Component Shematicwih see, Diagrams1 4-1-2 CPU register test failure CPU —=2 1-1-3 CMOS write/read test failure ICt1 Main 9, 10: : Ic11° Main’9, 103 1-1-4 BIOS ROM checksum failure 1c40 Main 254 1-2-1 Programmable Interval Timer test failure IC14 Main 9, 105. 1-2-2 DMA initiatization test in progress or failure iC11 Main 9, 106 1-2-3 DMA page register write/read test in progress ict Main 9, 10. or failuré7 1-2-4 RAM refresh verification failure Ics Main 4, 5il IC7~10 Main 78 1-3-1 1st 64K aoe - failure Ics Main 4, 59 1-3-3 Slave DMA register test in progress or failure IC11 Main 9, 1010 1-3-4, Master DMA register test in progress or failure IC11 Main 9, 101 1-4-1 Master interrupt mask register test failure (C11 Main 9, 1012 Slave interrupt mask register test failure IC11 Main 9, 1013 1-4-3 Interrupt vector loading failure Ic11 Main 9, 10IC23 Main 1814 1-4-4 Keyboard controller test failure 1C11 Main 9, 10i ‘ Saver IC13 Main 1216 2-1-3 Screen initiatization in progress Ic7~10 Main 716 Screen memory test in progress IC13 Main 1217, Screen retrace tests in progress IC13 Main 1218 Search for video ROM in progress C11 Main 9, 1019 2m Timer tick interrupt test in progress or failure 111 Main 9, 1020 2-3-4 Interval timer channel 2 test in progress or Ic11 ‘Main 9, 10failure21 2-3-2 RAM test in progress or failure above address ICS Main 4, 5OFFFFH IC7~10 Main77 * C14 Main 9, 1022 2-3-3 Time-of-Day clock test failure x2 Main 9. . P Ic11 Main 9, 1023 2-3-4 Seriai port test test in progress or faifure [ ic19 Main 16fj P ct Main 9, 1024 2-4-1 Parallel port test test in progress or failure Ic19 Main 1625 2-4-2 Math Coprocessor test in progress or jaifure CPUP progr Ic1t Main 9, 10