Repairing a Commodore CBM 610

Components replaced

This gallery shows some stages of repairing the Commodore CBM 610.

Defects found on the Commodore CBM 610:

  • Random raster lines on the screen.

Components replaced:

  • 2 x 74LS245
  • 1 x 74S32
  • 1 x 74S05
  • 1 X 74LS14
  • 2 x Capacitor 22uf 10v
  • 2 x Capacitor 1uf 50v

I have passed three weeks of suffering for repairing this CBM 610. The finding of the fault is not has been easy, the key component of the failure was the IC 74S05 (U96) followed by the other components.

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