Question about Toshiba 32BV502B 32 in. LCD HDTV

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Tv wont turn on but theres sound

The tv power is connected, is off a s far as i know. When i touch the on button, there's a sound but no other response from the tv, no lights or screen flashes

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Check and replace its backlight inverter board. To get more details, http://electronicshelponline.blogspot.com/

Posted on Nov 29, 2013

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SOURCE: Toshiba 42HP95 Plasma tv

toshiba plasma 42hp95 tv will not turn on red led lights blinking

Posted on Feb 23, 2009

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SOURCE: Flashing power button tv won't turn on

yes call the tech and have the power board replaced. In future have the TV plugged into an anti surge board to protect it ( and you from expensive repair.) I suspect you will need a new power supply fitted

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Posted on Aug 17, 2009

tvservice306
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SOURCE: Toshiba 42HP66 No Picture, Only Power Works

try replaced z board Manufacturer Toshiba Part Number 75003032 Description ZSUS PCB ASSY

Posted on Oct 02, 2009

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My dynex tv wont turn on! the strom knocked out our power, now the power is back on the tv wont turn on from remote or tv power button.


Lightning is a weird beast, and can do strange things to a TV. Sounds like the set took a hit. If there is a fuse then check it on a volt-ohm meter for continuity while it is out of the circuit, and if it is an open circuit, replace it. If there is a circuit breaker, then reset it. If these don't work, look for obvious scorching on the circuit board (assuming you know how to avoid electricution, otherwise do not touch). Lightening can literally jump around on a circuit board, so there is no way to know what part of the set was effected by the strike - the lightening will not always burn out the first circuit it touches, but will burn out something further into the circuit. The most obvious place to look is around the transformer and rectifier circuits. If a capacitor was hit, it may be swolen or discolored; resistors will scorch, and the worst thing is that transistors and IC's often show no damage - in fact, any part might be burned out and not show visible signs. If nothing is obvious (like scorch marks) and the fusing is intact, there are too many possibilities to begin listing them all. The fact that it won't turn on at all sounds like it is probably a power circuit, but, not necessarily. FYI turning a set off during a lightning storm does not protect it, you have to unplug the AC power cord and the line that feeds the signal into the set. Even circuit protection devices (lightning arrestors) may not protect against a close strike. Maybe the techs at Best Buy can supply more suggestions (Dynex is their brand).

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If it doesn't power up when you connect to a PC or mains then it is a connection problem (check the cable, iPod and USB sockets) or a logic board problem.

I hope it is something simple for you. Otherwise I would find an iPod repair specialist near you (I'm too far away).

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