Manual | Repair Of Sencore Lc103 Service

Detailed circuit diagrams are available through the Audio Karma Database or EEVblog forums.

Some technicians successfully use DeoxIT spray, though opening the relay to clean contacts with a sliver of a business card soaked in alcohol is more effective. Repair Of Sencore Lc103 Service Manual

Often caused by the internal relay L1 . This relay frequently oxidizes, preventing a clean contact for short/open lead zeroing. Detailed circuit diagrams are available through the Audio

If your leakage tests are inconsistent, check for corroded connectors between internal boards. Cleaning the board interconnects with contact cleaner often stabilizes the measurement circuit. Repair Of Sencore Lc103 Service Manual