Re: [M100] Tandy Model 100

2018-10-11 Thread Brian White
You may be able to clean it with Deoxit D5. Drench it good. Work the knob a few times a day for a few days. Give it at least a week to dry out and act normal. While the stuff is still wet, the screen may go totally blank, meaning no darkened pixels, or just microscopically faintly under just the

Re: [M100] Tandy Model 100

2018-10-11 Thread Fugu ME100
Hi What are the symptoms you are experiencing? VR1 could go bad but it could also be due to oxidation on the resistors tracks. People have tried to use contact cleaner to revive them. Might be worth looking into trying that option first? On 11/10/18, 3:57 PM, "M100 on behalf of Rafael

[M100] Tandy Model 100

2018-10-11 Thread Rafael Arena
Hello, I have a semi functional Model 100. I believe the issue is with the variable resistor ‘VR1’. Where can I get a replacement? Do those VR’s typically go bad? Thank you,