View previous topic :: View next topic |
Author |
Message |
tek33
Joined: 09 Jan 2011 Posts: 4
|
Posted: Sun Jan 09, 2011 11:15 pm Post subject: zenith tv dark picture |
|
|
hi am workin a zenith tv model isz2045dt the picture is very dark
i bring the brightness full and i also bring up the bright on the flyback but pic is still dark.t found two badly caps close to the flyback i change them but still the same way.any ideas whould help
thanks _________________ when things get hard the lord dont walk with me he carry me |
|
Back to top |
|
|
The_AntiRAM Guest
|
Posted: Tue Jan 11, 2011 7:43 pm Post subject: |
|
|
Check each catode driving voltages with pattern test and oscilloscope.
Measurements have to respect values according to service manual diagrams. |
|
Back to top |
|
|
tek33
Joined: 09 Jan 2011 Posts: 4
|
Posted: Tue Jan 11, 2011 11:34 pm Post subject: |
|
|
i do not have an oscilloscope is ther any other thing i can do or checkh _________________ when things get hard the lord dont walk with me he carry me |
|
Back to top |
|
|
minnie
Joined: 18 Aug 2005 Posts: 2880 Location: Hell
|
Posted: Wed Jan 12, 2011 12:45 am Post subject: |
|
|
Did you try turning up the screen control on the flyback? |
|
Back to top |
|
|
tek33
Joined: 09 Jan 2011 Posts: 4
|
Posted: Mon Jan 17, 2011 1:42 pm Post subject: |
|
|
yes but the pic is still very dark _________________ when things get hard the lord dont walk with me he carry me |
|
Back to top |
|
|
|
|
|
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
|
eServiceInfo on FB -
Service Manuals Free Download -
Service Diagrams
Free TV Schematics Download -
HARDW.net -
Pinout Master -
Jabse Service Manual Search -
Jabse.InK -
onTap.bg
SnimkiOt.com -
Poblizo.com : пътешествия
Latest Service Manuals :
DCR-TRV410_X SONY • service.zip R8 FOSTEX • FDS6679AZ - P-Channel PowerTrench MOSFET • [pencap radial] TH Series Teapo • UREI-1181 . Various • MAIN B Rolsen • SCHNEIDER • FM AM Stereo-clipper 3312 Nordmende • info Samsung • 4010 SGS •
|