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Louie, Technician
Category: TV
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Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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32 TV Proview Model 3200 wont come on, Light turns blue but

Resolved Question:

32"TV Proview Model 3200 wont come on, Light turns blue but turns back to amber
Submitted: 6 years ago.
Category: TV
Expert:  Louie replied 6 years ago.
Hi and welcome to JustAnswer,

Initially, the described problem with the Proview 3200 PA-32JK1A would indicate a most likely power supply problem. While this could be nothing but a loose connection or a cold solder, it could also be caused by failure of the power supply to fully turn on or to shut down immediately:
  • auto-protect has kicked in to prevent further damage;
  • a component or any of the boards being supplied has developed a fault over-loading the power supply;
  • the power supply itself has faulted and could not produce sufficient voltage to operate the unit.

In some instances, it could be caused by leaky / bulging capacitors that have faulted due to heat issues. All of these are hardware fault and would require that the unit be opened up to effect repairs.

Options then are:
  • consider a DIY (do-it-yourself) repair if and only if comfortable working with electronic components & circuitry, use of a DVM/VOM, a soldering iron/station and safe practices with electrically powered devices. Access to a Service Manual or at the very least, a schematic diagram would be a necessity;
  • should you be uncomfortable with a DIY, perhaps your best bet would then be to consult with and/or seek the services of an authorized Service Center or a qualified professional.

Offhand, to confirm part or board that is at fault, voltage readings would have to be taken from key checkpoints. Thereafter, these voltages would have to be monitored. This would require voltage measurements on a live set. Would you be comfortable proceeding?

Good luck and thank you for asking JustAnswer.

Edited by Benimur on 8/3/2010 at 11:58 AM EST
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