symptom | possible solution |
---|---|
fAILS TO FORMAT DISK. | cHECK COMPONENTS RELATED TO CONNECTOR p7. cHECK 6522S. cHECK THE LOGIC ARRAY. |
sTEPPER mOTOR DOES NOT STEP FORWARD. | cHECK 6502, 6522S, LOGIC ARRAY. |
dRIVE SPEED WILL NOT STABILIZE. | cHECK dc MOTOR. |
wILL NOT SAVE WHEN THE DRIVE HEATS UP. |
cHECK 6502 MICROPROCESSOR. |
lOCKS-UP WHEN LOADING. | cHECK SERIAL PORT COMPONENTS. cHECK rom. |
fAILS THE PERFORMANCE TEST AND DISPLAYS A 21 READ ERROR. |
cHECK TEST DISKETTE. cHECK dRIVE mOTOR. |
fAILS THE PERFORMANCE TEST AND DISPLAYS A 27 READ ERROR. |
cHECK STOP ADJUST. |
pASSES PERFORMANCE TEST TO TRACK 18 THEN DISPLAYS 21 READ ERROR. |
cHECK READ/WRITE HEAD. |
pASSES THE PERFORMANCE TEST BUT WILL NOT LOAD CERTAIN PROGRAMS. |
cHECK STEPPER MOTOR. |