Panasonic CF-62 Service Manual page 17

CF-62
Error oe :
Troubleshooting procedures Source of problem) Ref.Page
1999 |An operating system could YES |Format data es
"
27
0305 Inot be found 7-4 Does executing FDISK correct the aeciicuad.
2
problems TNO [Go to No. 27-2
YES |HDD or HDD FPC | 7-2,7-14
nN
Replace the HDD Pack.
: NO |Main P.C.B. or LCD] 7-10,7-12
Does operation return to normal? FPC
nN
7-2
Beep Error Code
CPU register test failure CPU P.C.B. 7-10
CMOS write/read test failure Main P.C.B. 7-10
BIOS ROM checksum failure Main P.C.B. 7-10
Programmabe Interval Timer test failure Main P.C.B. 7-10
DMA initialization test in progress or failure |Main P.C.B. -
4-2-3 DMA page register write/read test in Main P.C.B.
progress or failure
ee
o| ojo
7
Oo; Oo
RAM refresh verification failure CPU P.C.B -
; Main P.C.B. or ;
1st 64K RAM test failure CPUP.CB T-
Mest DMA register test in progress or Nene
Slave DMA register test in progress or failure|Main P.C.B 1
Master interrupt mask register test failure |Main P.C.B
fs)
—_ —
E
rS
fe)
.C.B. 7-
in .C.B. 7-
- .C.B. 7-
72
Z
Z
Z
- i n P.C.B. T-
i n P.C.B. T-
i .C.B. T-
= ao
x
2)
rs
oh fe)
E
2-1-4 Screen memory test in progress Main P.C.B
Screen retrace tests in progress Main P.C.B 10
Search for video ROM in progress Main P.C.B 10
E
fe)
=aja/fajoaj]a OlLoOInN ola
| 2-2-4 | Timer tick interrupt test in progress or failure |Main P.C.B
2-3-4 Interval timer channel! 2 test in progress or Main P.C.B
failure
2-3-2 RAM test in progress or failure above CPU P.C.B. or
address OFFFFH Main P.C.B
fe)
fe)
N
|
2
2
2
fe)
B. T-
.B. 7-
: 7
Time-of-Day clock test failure Main P.C.B. 7-
Serial port test test in progress or failure Main P.C.B. T-
Parallel port test test in progress or failure |Main P.C.B. T-
} . CPU P.C.B. or
Math Coprocessor test in progress or failure Main P.C.B. T-
fe)
RO
us
0
1
3
25
a