Official Sharp Aquos 42D62U/46D62U/52D62U Owner's Thread (NO PRICE TALK!) - Page 409 - AVS Forum | Home Theater Discussions And Reviews
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post #12241 of 12247 Old 10-29-2011, 02:29 PM
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Greetings,

I am new to this site.

I assume this post will be regarded as resurrecting a "zombie thread" because, by today's standards the Sharp Aquos LC 46D62 is yesterday's news.

I have one; I still like it - I've had a failure and I am wishing to repair it on the cheap.

I have already determined that one of the four inverter PCBs (RUNTKA255WJZZ) popped because there is HV leakage associated with one or more of the CFL backlight lamp assemblies in the upper portion of the display. I also have a dim band in the suspect area (that is/was before I popped the second inverter board.)

I am looking for a source of the CFL Backlight lamps. Actually, there are generic sources out there, but I have been unable to cross-reference the Sharp dual lamp assembly part number to the dimensions and specs for the individual lamps that would make up an assembly.

Any info on this subject will be much appreciated.

Joe_A
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post #12242 of 12247 Old 11-07-2011, 03:38 PM
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Reply to my own post:

Found CCFL Warehouse and was able to purchase 4mm generic backlight tubes in the proper length for my 46 " Aquos

Purchased a new inverter board from ShopJimmy.com

In about 2 1/2 hours was able to tear down the TV and discover one of the CCFL tubes was burned nearly black half-way along the length. Replaced it and the one next to it in the pair. Two (2) of 22 lamps replaced and I have couple of spares if I need them in future.

Everything worked out fine.

It is not too daunting for someone who is a bit handy - and can solder - to repair the backlighting of an LCD TV.

Cheers,

Joe
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post #12243 of 12247 Old 11-07-2011, 03:54 PM
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Good work!
I still have of these and they look really good.
Arno
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post #12244 of 12247 Old 11-08-2011, 01:11 AM
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Good job! My 46" unit still has great pictures after 4 years. As long as it works I don't see any reason to replace it any time soon.
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post #12245 of 12247 Old 12-04-2011, 10:54 AM
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Does anyone know what the latest firmware for the D62U series is? My current firmware is U0610191. I have searched numerous posts online and even the Sharp website and cannot find anything. Also, if someone has the latest firmware for this series could you please PM me or email me at warren.marshall@ryerson.ca. It would be much appreciated!
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post #12246 of 12247 Old 12-24-2013, 07:22 AM
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I'm having a similar issue. The pic is an extreme example, it mostly is apparent during darker scenes, however it doesn't show up at all in bright scenes. I like the tv and want to keep it, but this is pretty annoying to look at and I don't want to spend much on a repair, I'd rather put the money toward a new one.
Maybe someone else had this problem and knows what it is...
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post #12247 of 12247 Old 04-17-2016, 09:12 AM
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fixed "no sound" on my LC-52D62U

I searched this issue several ways to see if there was a fix for loss of sound on my Sharp LC-52D62U, but I found nothing.
Every so many on-off cycles, I will get no sound coming from my LC-52D62U via DirecTV set-top HD-DVR HDMI output. I tried various hard reboots of the box and tv, and was never sure how the sound would get restored since it didn't happen all that often. VERY frustrating.

Over the past year the loss of sound now might happen after just several turning the tv on & off. My consistent remedy has been:
1) Use original remote to change input to something other than the set-top.
2) Turn off the tv and leave it off until I hear a "thunk" sound.
3) Turn the tv back on and switch back to the set-top box input. Sound!

FYI- I have never done a firmware update.
It is a PIA but I am just trying to keep an otherwise decent set working until I get a HDR + DolbyVision + etc replacement [most likely an LG E6 -or- VIZIO P (once they ship with updated firmware)]. I just want to give back to AVS Forum members who help me with their info, tips and tricks.
krh
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