14. HDD problem
13. BIOS problem
BIOS ROM
Y
N
13/30
Check signal shortage
Y
N
Check BIOSCS#
Check BIOS ROM
Motor works?
HDD
Y
N
14/30
Check HDD,HDD FPC
HDD_PWR# = low?
J6 41,42pin = 5V?
Check U510
Check U510
IDE_RST# = low?
Y
N
N
N
Y
Y
Remove CDROM FFC
Still have error?
Y
N
Check
R246,Q32,Q30,R223,C222,
L31,C252,C229
Check HDD,HDD
FPC,J6,RP505,RP506,RP507,
RP508,RP509,RP510,RP511,
R553,Q31,R172,Q29,R186,
R202,R190,U510
Check FFC,
CDROM USB PCB
SA0-SA18 Works?
(High level > 3.0V)
D0-D7 Works?
(High level 5V)
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 ...