Question about Sony FD Trinitron WEGA KD-36FS130 36" TV
From standby, when TV switched on began to experience a delay of some 5 - 10 minutes which has now increased to circa 45 minutes starting up. Start up light flickers between green and red - as if searching for some sort of signal/s!
The vertical output IC has failed/Power to the vertical IC is out/ or there is bad solder on the pins of the vertical output IC.
Posted on Dec 01, 2008
Hopefully it is only a board component that needs replacing and your dry joints that need re-doing. I would advise that you take it to a television repair shop as this type of repair can be very complex (replacing resistors and capacitors just to name a few).
Posted on Dec 03, 2008
If the TV goes in standby, then it is in protection mode.
Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.
1Theinternal circuits are jammed because of electrostaticcharges accumulating on capacitors, or because of a wrong voltage readby the main chip on your monitor controller board. this started theprotection circuit.
2 The protection circuit detected a wrongvoltage or abroken contact, identified an internal fault and kicked in, starting the flashing light.
If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
If you want to DIY you find parts here,
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On LCD Payparticular attention at inverter and power board, power board can beinspected looking for bulged or leaking capacitors, then tested with amultimeter. The inverter is more difficult to test , there is need toread voltages, should be done by a tech. Also the LCD controller board can cause same problem
On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.
On Rear Projection : check lamp, lamp ballast, power board, and convergence.
On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.
Posted on May 05, 2009
pls. cheks your tv main supplay pin is proper canacted.
IF ok .
then problum is inside of the tv set.
check EHT out put voltage pin Diode /ragistance/ capeceter is filed.
any out put voltage from EHT is Droping. then TV is swithed off by itself
Posted on Oct 20, 2009
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