Question about Apex Digital GB55HD09W 55" Rear Projection Television

6 Answers

My 4 years old Apex GB51HD09 TV is not turning on. Pushing power switch only turns the green LED ON. No picture & No sound. All voltages from the power supply reads OK. Please help.

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  • Hirmiz Youkhana May 12, 2009

    Which transformer mean ?

  • Hirmiz Youkhana May 12, 2009

    Need an answer from someone who knows what the hell I am asking for.
    Thanks.

  • Hirmiz Youkhana May 12, 2009

    Read my question again please.

    I did say that all voltages from the power supply reads OK.

    None of the fuses is blown.

  • Hirmiz Youkhana May 12, 2009

    I know all this.

    I been repairing consumer electronics for over 30 years.

    But first time with Apex projection TV.

    I believe one of the voltage protection sensors is drifted.

    Don't waste my time if you don't know the right answer please.

    Thanks.

  • Hirmiz Youkhana May 12, 2009

    Still waiting for the right answer

  • Hirmiz Youkhana May 12, 2009

    Need answer only from some one who have past experience with this Apex model please.

  • Hirmiz Youkhana May 12, 2009

    I am getting sick & tired of your stupid answers.
    Need to refund my money ASAP please.
    Thanks.

  • Hirmiz Youkhana May 12, 2009

    Not interested any more.

    Please refund my money.

    Thanks.

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6 Answers

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I am sorry you feel that way. Being the expert that I am I know the frustration you are feeling from experts that don't know what they are talking about so rather then annoy you further you can contact premium.support@fixya.com about getting a refund. If you still need assistance or do not hear back from them after a few days please respond and I will contact them myself. I hope you reconsider and try fixya again as there are some experts that are not only here for the money but to actually solve peoples problems as well. Sorry again and good luck,
Lee

Posted on May 13, 2009

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  • Apex Digital Master
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Contact premium.support@fixya.com to discuss that problem.

Posted on May 12, 2009

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  • Master
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Have you gone through this and adhered to it for proper grounding. Quote

"NOTE TO CABLE INSTALLER lN THE USA:
This reminder is provided to caIl your attention to
ArticIe 820 - 40 of the NEC that provides guide-
Iines for proper grounding and, in particular,
specifies that the cable ground shaII be connected
to the grounding system of the building, as
cIose to the point of cable entry as practicaI." unquote. Also the prliminary precautions are extremely imp. Power Sources - The TV set should be operated only from the type of power source indicated on the TV set or as indicated in the Operation Manual.
If you are not sure of the type of power supply in your home, consult your local power company. For TV sets designed to operate from battery power, or
other sources, refer to the operating instructions.
Alternate Warnings - This plug will only fit into a grounding-type power outlet. This is a safety feature.
If you are unable to insert the plug into the outlet, contact your electrician to have a suitable outlet installed. Do not defeat the safety purpose of the grounding
plug.
Water and Moisture Warnings - Do not use the TV set near water-for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement;
or near a swimming pool; and the like. The TV set should not be exposed to dripping or splashing and no objects filled with liquids, such as vases,
should be placed on the TV set.
Ventilation - Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the TV set and to protect it from overheating,
and these openings must not be blocked or covered. The openings should never be blocked by placing the TV set on a bed, sofa, rug,or other similar
surface. This TV set should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer's
instructions have been adhered to.
Grounding or Polarization - Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider
than the other. A grounding - type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your
safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
Heat - Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the TV set and cart combination
to overturn.
Accessories - Do not place the TV set on an unstable cart, stand, tripod, bracket, or table. The TV set may fall, causing serious injury to a child or adult,
and serious damage to the TV set. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or accessory recommended
by the manufacturer, or sold with the TV set, and should use a mounting accessory recommended by the manufacturer.
Power-Cord Protection - Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where
they exit from the TV.
Overloading - Do not overload wall outlets, extension cords or integral convenience receptacles as this can result in fire or electric shock.
Cleaning - Unplug the TV set from the wall outlet before cleaning or polishing it. Do not use liquid cleaners or aerosol cleaners. Use a dry cloth for
cleaning the exterior of the TV set.
Attachments - Do not use attachments not recommended by the product manufacturer as they may cause hazards or electric shock.
If a snapping or popping sound from a TV set is heard continuously or frequently while the TV set is operated, unplug the TV set and consult your dealer
or service technician. It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being turned on or off.
Lightning - For added protection for this TV set during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from
the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges.
Object and Liquid Entry - Never push objects of any kind into the TV set through openings as they may touch dangerous voltage points or short-out
parts that could result in a fire or electric shock. Never spill liquid of any kind on the TV set.
You may find this interesting:
may find the foIlowing booklet prepared by the FederaI Communications Commission helpfuI:"How
to ldentify and ResoIve Radio -TV Interference Problems". This bookIet is available from the US Government
Printing Office. Washington, D. C 20402, Stock No. 004-000-00345-4..Please post the result as a comment if needed to dig deeper.........sodeepMy 4 years old Apex - moz-screenshot.jpg

Posted on May 12, 2009

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  • Master
  • 1,170 Answers

Your unit is turning itself off so as not to inflict further hazardous damaged. as long as it is not corrected and repaired properly it wont start the normal way. theres a possibility of power supply malfunction, might be producing a high output voltage or not producing at all. there is also probabllity on the horizontal deflection circuits maybe the flyback transformer is misbehaving or the horizontal output transistor is not working might be shorted or open.

Hope I helped with the repair of your problem.
An Accept from you is how I get paid.
And a positive feed back tells me how I did with the repair.

Arjun.

Posted on May 12, 2009

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  • Master
  • 3,230 Answers

Hi there,

You need to check the fuse first.... many times the fuse works only on a half way.
Try changing the fuse first.

Good Luck!!

Posted on May 12, 2009

  • Mukesh Kumar May 12, 2009

    well,
    The main power is 5V, normaly always ON. 
    12v also but switched by a transistor (detected by the 24v) 
    Power On should be biased via 2,2 KOhms with 5v.

    the simple mean -- some register had power loss.... you need to check all main board registers to find out the power loss.

  • Mukesh Kumar May 12, 2009

    Ok Sir,
    Just take help with some other Expert.
    Regards all-guru
    Thanks 

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  • Expert
  • 219 Answers

Hi, I had the same problem yesterday. My uncle is a tv repairman for a major electronics chain. He came by last night and had a look at it. It turned out to be a very inexpensive transformer that went bad. The part itself is only a few bucks. Hope this helps and its not too late. 

Thanks! Sandy

Posted on May 12, 2009

  • Sandeep Gupta May 12, 2009

    well there is a small transformer.I dont knw much abt that but it was a small transformer.U call a service person hw will fix it.


    Thanks!
    Sandy

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