ATC221_sf_horizontal.pdf part of ATC221.rar, Chasis ATC221 text manual preview

Text preview for : ATC221_sf_horizontal.pdf part of Chasis ATC221

Back to : ATC221.rar | Home

Chassis Part Symbol Defective Circuit

ATC221 ATC221

anode lead FL231

Picture Tube Horizontal

Symptom Replaced the flyback. Has an arcing and tearing in the video, can hear a popping noise, Pulled the anode lead from the crt and found a brownish powder looks like rust and the lead is green like it is corroded. Unit has audio and video comes up very slowly. Vertical is down from the top and up from the bottom but not bowed. Found FL231 open (40 vdc for vertical circuit).

solution Rplaced the anode cap and cleaned the anode of the crt Replace FL231

ATC221

Splitter

High Voltage

Shutdown, Power light cycles 4-6 second intervals. Disconnected HV splitter lead And set would come up with sound and High Voltage. Replace HV Splitter