CD 100 refurbish

Repair Early CD 100 , 1983 week 19

Won’t read TOC , Disc is spinning very very fast , The problem is that some time’s the HF signal complete disappears .

 

 

 

 

HF signal missing sometimes

Have to check CDM Board 😉

 

Aha, a tin jumper 😉 , Making short in HF Filter / Amp.

Bad contact in solderjoint 5 volt glue logic, causing audio to dissapear.

and one more

broken joint