Atari 800XL

SYMPTOM
POSSIBLE CAUSES
REMEDY
^
Voltage: PI.
P2 L2J.
35,
36
Iniiy-cl 35.
6
fcr
daiiaged pins;
leplacc
as
nr<:c5sary
Voltage: MC Q7,
LI I, U2
"^
Repair
Of replace
PIA Poru
V2\
C2S-29,
C82-92
Repair or
replace
LI
9-22
510
Port
L122. U23, C75.;8
Repair or
replace
Trigger
Lirws
UI7, t23,
L30,
C96, C97
Repair or
replace
POTLir^
U22,
LI 5-18,
C7l-7^
Repair or
replace
C63-66
Timers
U22
Replace
800XL
Computer
3-J
Field Service
Manual