Re: Philips 30PF9946D/37D Chassis LC4.6U AA

Selldoo

Thank you very much for your replies....much appreciated...

Maybe I just got lucky for awhile.....time will tell....



My initial post on this problem in another thread was:

Guys,

When I power up my TV, the picture & sound are fine. After about 1-2 minutes, the screen goes black, yet I have sound on all channels but a black screen on all channels....

I have replaced the the backlight inverter board to no avail. Same thing happens with...

Re: Philips 30PF9946D/37D Chassis LC4.6U AA

If Plainbill is sick or passed away, I am sorry. He seemed like he was a good source of information here on this forum. I am sure there are plenty of others who are as well.

As a newbie here on this forum, I take a strong interest in troubleshooting & fixing things myself. My TV is a new area for me. I would rather replace boards then fix at the component level as I don't have the proper equipment ( isolation transformer, Fluke meter, scopes, soldering station,,etc...) I have just a middle of the road multimeter
...

Re: Philips 30PF9946D/37D Chassis LC4.6U AA

Does anyone if if PlainBill is still around to answer my question ????

Re: Philips 30PF9946D/37D Chassis LC4.6U AA

Plainbill,

Resurrecting an old thread but I am having the same issue as you on my Philips 30PF9946D/37 ? What was your final resolution ?

Did you replace the inverter board or the standby supply/audio board, or main power supply or the small signal/3D comb filter board, or T-con board ?

Any light you can shed would be greatly appreciated ?

You stated above

"I have spent the past week pursuing false leads, testing good components, etc. while the answer was...

Re: Philips Model 30PF9946D/37 Chassis # LC4.6U AA Backlight Problem

Any suggestions for a newbie....??? Not even....."take it to a repair shop" or "buy another TV"......lol......

So anyway, i took it up to a local repair shop yesterday 2 blocks away....I went into the shop & asked as to the progress...he indicated it was my inverter board.....I indicated to him that I had replaced it with one bought off the internet, & that board performed worse....shut off after 2 seconds.....he argued that it may have been the wrong board I bought......I...

Guys,

When I power up my TV, the picture & sound are fine. After about 1-2 minutes, the screen goes black, yet I have sound on all channels but a black screen on all channels....

I have replaced the the backlight inverter board to no avail. Same thing happens with new board in...actually a used board from ( [url]www.myshoptvs.com[/url] )
However, with their board in, the backlight flashes briefly & then goes dark after a couple of seconds on power up.....

The power to the TV remains...green light is steady......

Seems I have a...

Re: New Members - please post your introductions here

Hello Everyone,

This is my first to gain full access to site privileges....Looking forward to gaining a wealth of information & knowledge from existing members.....
Thanks for having me.

Jeff