electronics, repairs, service manuals and datasheets discussion community for the repairs professionals and technicians
FAQSearchMembersGroupsRegisterProfilePM'sLogin/Out
Hitachi 60sx12b power problem

 
Post new topic   Reply to topic    Electronic equipment repair and service manual search discussion Forum Index -> Equipment Repairs
View previous topic :: View next topic  
Author Message
Guest






PostPosted: Wed Jun 20, 2007 12:00 am    Post subject: Hitachi 60sx12b power problem Reply with quote

Ive got a 60sx12b that when i puch the power button it turns on then off right away. Ive looked in the back and i remember seeing leds light up then turn off. Any suggestions where to start?
Back to top
mustang_52
Guest





PostPosted: Wed Jun 20, 2007 9:52 pm    Post subject: Reply with quote

ok, i observed the 5 green leds when i plug the tv in and this is what happends. They all come on right away, then the +27 and -27 leds go off first at the same time. The rest of the leds follow. Does this help out?
Back to top
minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Wed Jun 20, 2007 10:52 pm    Post subject: Reply with quote

Check F903 and see if it's open.
Back to top
View user's profile Send private message Send e-mail
mustang_52
Guest





PostPosted: Thu Jun 21, 2007 12:42 am    Post subject: Reply with quote

minnie wrote:
Check F903 and see if it's open.


sorry, ive been away from electronics class a long time. Embarassed how do I do that?
Back to top
mustang_52
Guest





PostPosted: Fri Jun 22, 2007 6:55 pm    Post subject: Reply with quote

F903 is good. now what? The other fuses appear good too.
Back to top
kuhurdler



Joined: 30 Jun 2007
Posts: 3
Location: Olathe, KS

PostPosted: Sat Jun 30, 2007 2:28 pm    Post subject: Reply with quote

those +/- 27V power supplies feed the convergence circuit. You probably need to replace your convergence STKs
_________________
http://riddledtv.com/repair/
Back to top
View user's profile Send private message Visit poster's website
minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Sat Jun 30, 2007 7:30 pm    Post subject: Reply with quote

Other common failures Q912,Q913,I901.
Back to top
View user's profile Send private message Send e-mail
Display posts from previous:   
Post new topic   Reply to topic    Electronic equipment repair and service manual search discussion Forum Index -> Equipment Repairs All times are GMT
Page 1 of 1

 
Jump to:  
You can post new topics in this forum
You can reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Електроника София - Service Manuals Free Download - Prikachi - Service Diagrams

Free TV Schematics Download - HARDW.net - Pinout Master - Jabse Search - Jabse.InK  - Pulsator

Connector Pinout Forum - Новини - SnimkiOt.com - безплатен DNS - Whois разузнаване - Poblizo.com : пътешествия