22. IR problem
21. PCMCIA problem
20. Modem problem
OK?
Modem
N
20/30
Y
Change MODEM unit
Change MODEM unit
MODEM cable OK?
N
Y
Check MODEM cable
MDC/LAN PCB OK?
N
Y
Check MDC/LAN PCB
Sound OK ?
N
Y
AUDIO
System
supply CARDVCC?
PCMCIA
Y
N
21/30
Check U23
Detect card type?
Check J504,U22
Y
N
IR
22/30
IR works?
N
Y
Check D/D PCB
U2 6pin = 3V?
N
Y
Check R506,C504,C6
Change D/D PCB
Check
U2,R514,R515,C9,J501,
J503,R102,U15
Check
RP35,RP36,RP37,R206,
R583,R227,J504
Check
J506,C191,R597,R575,
C553,C549,R578,C546,
R573,R572
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 ...