Question about Sony FD Trinitron WEGA KV-32HS500 32" TV

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No power,no B+ and no oscillation - Sony FD Trinitron WEGA KV-32HS500 32" TV

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Well try replacing the h-out power transistor, hope it do the trick. thanks, please rate and vote

Posted on Apr 01, 2011

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DVD PLAYER NOT INITIALIZING


ok sir! at your case! you have defective power oscillation! or  your two regulator IC is defective thats why your unit is not oscillating on!

Oct 20, 2007 | Toshiba HD-XA1 DVD Player

1 Answer

Have Ge model 52GW945 tv, it went blank no picture, nothing, I checked fuse its ok what next


Check the swithed mode power supply section. Some sets uses Ics for control the power regulation, while others uses transistors as oscillators and choppers. If the power to the oscillator section of the SMPS is absent, the supply system won't wake up. So many reasons are there. You just check the resistor, usually connected from main DC rectified supply, to energise the oscillator section of the SMPS. In most sets it may be two resistors in serial, usually 270k 1W*2. If any one of this get opened, the power supply will not start up. Check it first and preceed. If the set uses Ic as regulator controller, check the positive supply voltage at the respective pin of the Ic.

Oct 15, 2010 | GE Televison & Video

1 Answer

Panasonic AG-DS550 VCR shuts itself down about 2 seconds after switched on. No error code appears in that brief interval. Toggling the power switch immediately is ineffective, but after waiting a while,...


This is a typical symptom of a power supply failure. There are some self-checks performed at power-up that are not completing correctly. Were there any symptoms before the complete failure? Often, the units start to behave strangely before complete shutdown. The power supply failure is tied to defective capacitors in most cases. These supplies are what are called "switch-mode" supplies and must oscillate to work. Defective caps will either not provide the kikcker to start the oscillation or prevent the oscillation completely. While there are other causes, this is the most common. AG units are professional decks and should be serviced by authorized service centers.

Hope this helps,
Dan

Dec 07, 2009 | Panasonic Televison & Video

1 Answer

Will not power on


Hi

the clicking sound is the responds of the relay switching and cant continue power up because of you have problem in Regulated power section the (oscillation) and the six blinks is the defective oscillation, this problem need to diagnose to find the bad parts in regulated power section..

Angel
Thanks...

Aug 02, 2009 | Sony Televison & Video

1 Answer

Turns on but quickly turns off


hi

you have defective power oscillations! in this model you have to replace the vertical output ic. because the power oscillation for Jungle IC is passing by from Vertical output.

Thanks!

Dec 29, 2008 | Sharp 32U-S60 32" TV

1 Answer

TV won't come on, just blinking red light...


Hi

You have defective power oscillation! in power section and or power oscillation!

Thanks!

Sep 19, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

3 Answers

Samsung 591s monitor


It isn't getting a steady, usable source of power, you can try to diagnose this your self but it will be a power issue INSIDE the monitor within the circuit board

Jan 22, 2008 | SAMTRON 55V 15" CRT Monitor

1 Answer

Set will not come on; timer light only


ok you have fault oscillation inside and you have defective parts! the problem is power oscillation! the trouble is in the power section (hot and cold) or the jungle IC circuit.

Sep 13, 2007 | Akai PTH5498 54" Rear Projection...

4 Answers

Unit power up have sound but no picture.


Check the damper diode and the protection resistor in the High Voltage circuit. Good Luck.

Jun 18, 2007 | Philips 55PP9363 55" Rear Projection...

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