Riddled TV Repair Forum
Service Menu and Manual Schematics
 FAQFAQ   SearchSearch   RegisterRegister 
   Log inLog in 
Sony KV-21BMR1 Dead    
Post new topic   Reply to topic    Riddled TV Repair Forum Index -> TV Repair
Author Message

Joined: 16 Dec 2011
Posts: 1
Location: Tacloban City, Philippines

PostPosted: Fri Dec 16, 2011 3:21 am    Post subject: Sony KV-21BMR1 Dead Reply with quote


I AM now troubleshooting this set,no high voltage..power supply seems ok,.i have B+ voltage 115v (measure from the electrolytic caps 100uf 160v)if im not wrong,...the set just not energize..kindly give me some piece of advice,.
the B+ flyback pins has 115v also

thank you in advance.... Very Happy May our God bless all honest technicians!!!Baruch HASHEM...

PostPost subject: Advertisement


Joined: 21 Jan 2009
Posts: 2395
Location: Far, Far Away

PostPosted: Fri Dec 16, 2011 11:28 am    Post subject: Reply with quote

Scope the base of the Horizontal Output transistor for drive waveform.
Display posts from previous:   
Post new topic   Reply to topic    Riddled TV Repair Forum Index -> TV Repair All times are GMT - 6 Hours
Page 1 of 1


Disclaimer: All information provided by RiddledTV is strictly for information purposes only. Please observe all warnings displayed on your electronic
devices. This information should only be used to help diagnose work, and all service should be performed by a qualified technician.
Privacy Policy       Copyright © 2020 RiddledTV.com       Advertise on RiddedTV.com