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30. PDC Adapter problem
29. FDD problem
28. CDROM problem
CDROM
28/30
CD Works?
Y
N
Check CDROM drive
Change CDROM drive
Y
N
Check FFC, CD USB PCB
CD_PWR# = low?
Check U510
CD Works?
Y
N
N
Y
FDD works?
FDD
Y
N
29/30
Change FDD
Check FDD unit
USB
OK?
PDC Adapter
N
Y
Change PDC Adapter unit
Check PDC Adapter unit
30/30
USB
Change CDROM FFC Bç
CD USB PCB
Check
J510 41,42,43pin
= 5V?
Check
U520,U521,U522,RP509,
RP507,RP505,RP506,
RP508,RP510,RP511
Check
L522,Q505,C611,C607,
C608,R637,Q506,R243
Содержание PC-AX40
Страница 51: ...PARTS LAYOUT 1 M B COMPONENT SIDE ...
Страница 52: ...SOLDER SIDE 2 M B ...
Страница 53: ...COMPONENT SIDE 3 DD ...
Страница 54: ...SOLDER SIDE 4 DD ...