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TV: SPECTRONIQ 32" LCD Model #LT32F1MA Problem: Dead set. Replaced few caps, but set still dead. Any solutions or suggestions of what it may be?

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Jvn4,

If your unit is dead I assume you checked the power from the wall circuit? Next all fuses should be checked. If this all checks out you will need an isolation transformer to proceed.

Be very careful during the following checks as lethal voltages will be present. With the isolation transformer hooked up check the voltage on the large capacitor in the primary side of the low voltage power supply. You should see 165 volts dc. If that is good and you are sure that the standby voltage is present, I would change all capacitors in the primary circuit and check or change all diodes in the primary circuit. If you have an oscilloscope it would be helpful to check waveforms in the primary circuit. Obviously if the primary circuit is not switching there will be nothing from the secondary.

If you perform the above procedures you should be able to find the problem.

Thanks for using FixYa.

hardrocko

Posted on Aug 05, 2010

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32 " STV-328 Spectroniq


Hello,

Your power supply board is dead, do you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Hope this will help in rectifying the fault.....

May 18, 2011 | Astar SpectronIQ STV378 37 in. LCD TV

Tip

Protron PLTV-32 Manual Download


Download Spectroniq Protron PLTV-32 LCD TV Manual

1404971.gif


Would you like to review the features of the Spectroniq Protron PLTV-32 LCD TV ?

Have you lost your Spectroniq Protron PLTV-32 LCD TV Owners Manual?

Would you like a digital, searchable, pdf version of the Spectroniq Protron PLTV-32 LCD TV Users Guide?

Follow this link (& click FREE) to download a pdf version of the Spectroniq Protron PLTV-32 LCD TV documentation.

I hope that helps.
___________________________________________
Protron PLTV-32 Service Manual Download

on Jul 05, 2010 | Televison & Video

Tip

Protron PLTV-32 Manual Download


Download Spectroniq Protron PLTV-32 LCD TV Manual

1404971.gif


Would you like to review the features of the Spectroniq Protron PLTV-32 LCD TV ?

Have you lost your Spectroniq Protron PLTV-32 LCD TV Owners Manual?

Would you like a digital, searchable, pdf version of the Spectroniq Protron PLTV-32 LCD TV Users Guide?

Follow this link (& click FREE) to download a pdf version of the Spectroniq Protron PLTV-32 LCD TV documentation.

I hope that helps.
___________________________________________
Protron PLTV-32 Service Manual Download

on Jul 05, 2010 | Protron PLTV-32 Television

1 Answer

Spectroniq 42" LCD is dead - no power at all.


There is only one power supply module, see here: http://www.shopjimmy.com/catalogsearch/result/?q=PLTV-42HW68

Or try EBAY.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Mar 09, 2011 | Spectroniq PLTV-42HW68 42 in. LCD TV

1 Answer

I have a spectroniq 42 in LCD tv with model # LT42C4N2 and when i plug it in, all it does is trun on and off repeatedly. I've tried turning it off and on with the power button but it doesn't work. If i...


It require repair.Power supply board is dead.That the board where the power a/c c ord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Aug 11, 2010 | Spectroniq PLTV3250 32 in. LCD TV

Tip

Protron PLTV-32 Manual Download


Download Spectroniq Protron PLTV-32 LCD TV Manual

1404971.gif


Would you like to review the features of the Spectroniq Protron PLTV-32 LCD TV ?

Have you lost your Spectroniq Protron PLTV-32 LCD TV Owners Manual?

Would you like a digital, searchable, pdf version of the Spectroniq Protron PLTV-32 LCD TV Users Guide?

Follow this link (& click FREE) to download a pdf version of the Spectroniq Protron PLTV-32 LCD TV documentation.

I hope that helps.
___________________________________________
Protron PLTV-32 Service Manual Download

on Jul 05, 2010 | Spectroniq Protron PLTV-32 32 in. Plasma...

1 Answer

No power to TV can't turn on set. Disconnected power coed and reinserted, still no power. HELP HELP


First make sure it does have at least red indicator on the front panel, if not, the standby +5vdc is not working, common problem with this monitor is dead power supply due to bad caps, shorted transistor and Zener Diode in the standby power supply.
http://s807.photobucket.com/albums/yy352/budm/Protron%20PLTV%203250/

Power supply; http://www.google.com/products?rlz=1T4GGIH_enUS282US283&q=pltv+3250+power+supply&um=1&ie=UTF-8&ei=hdgBTL6MJaKMNZLC1Ts&sa=X&oi=product_result_group&ct=title&resnum=1&ved=0CCQQrQQwAA

Feb 23, 2010 | Spectroniq PLTV3250 32 in. LCD TV

1 Answer

Dead set


http://www.shopjimmy.com/fsp-fsp194-3f01-power-supply-from-protron-spectroniq.htm

$94

Dec 28, 2009 | Protron PLTV3250 32 in. LCD Television

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