Question about RCA HD52W66 Projection Television

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Replacing tuner I was able to find a new tuner for my digital input. Not as easy as I thought, it's attached to a circuit board! Can it just be pulled off or is there sauldering involved. Any feedback would be appreciated. thanks, Ron

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Carefully un-solder.....look before you leap....damage can easily
result from improper removal / reinstall....................T.

Posted on Mar 05, 2008

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The coaxial connector broke off of my Apex LD3288T tv. I removed the back panel and I can not see how to re-connect the coaxial connector. Does anyone know how to repair this?


Its part of the tuner in most cases and not real easy to replace for a novice---sometimes the tuner will have to be replaced as when it broke off it may have damaged the circuit board inside the tuner.

there is a possible way around this: With a box of any kind being used that has the Audio/video jacks for output of signal you run cables from them to a set of matching inputs on the rear of set, leave set on that input and change channels with the box--bypass the tuner completely.

If the tuner and board it is only sold as a complete unit it will be expensive to repair.

Dec 22, 2012 | Televison & Video

1 Answer

Replacing antenna hookup on a westinghous LCD TV


Many of these new sets the coax fitting is part of the TV tuner--depending if tuner in this case stands up or not--tuner would have to be removed from board to replace the fitting---take my word for that as have done it a few hundred times.

Many newer sets if fitting is part of tuner, the tuner is on its side--pass on those as almost every time the board is destroyed in any attempt to replace the fitting or the tuner.

The Good news: there is a fairly easy way around this issue.

Get a box (cable, sat etc) or something the cable can input to (even an old VCR) that has video and audio output jacks-----------------run them into one of the AV inputs this set should have--bingo you are in business---

You sound like you can do a repair but let me know if questions--I do this here for free.

May 20, 2012 | Televison & Video

1 Answer

I have a 1999 zenith tv model # A25A74R. The point where the coaxil cable plugs into the tv is pulled out of the square silver box on the circuit board. Is there a way to repair this short of replacing...


Hello
The square silver box you refer here is its tuner. If the input socket of that tuner has broken, there is no other way to refix it. You have to replace the tuner. You can buy that box from most of the electronic sparepart shops of your town. Just unsoder it out from the board and go with it as sample. It is not a skilled work, and if you have a concept of soldering and desoldering, and have soldering iron, can do it by yoursef at home. The tuner will have a number printed or sticked on it, and it must be noted. The same number must be replaced too. OK.

Jul 12, 2011 | Zenith Televison & Video

1 Answer

Search ResultsI have a Panasonic DVD REcorder Model No. DMR-ES30V itwill not find any channels


Assuming the antenna is connected, and you still receive analogue broadcasts in your area, this machine should 'find' channels fine. Because this combo does not feature a DVB supported SD digital tuner (unlike the DMR-EZ series which does), it is possible that the analogue tuner (or its associated circuit) is faulty (the best way to determine whether your combo has a problem or if you have no analogue channels in it is to check your TV - if that still has analogue channels, and those are OK, then it is the combo's tuner which is the problem).

The problem with this circuit is the abundance of surface-mounted components on the copper side of the board as well as standard ones on the other side (particularly in the power supply as well as the tuner). When these tiny parts fail, it is almost impossible to replace these individually, as they are glued and soldered to the tracks; manufacturers nowadays lean toward complete board/chassis/module replacement rather than indivdidual parts. It is also time-consuming for a workshop to trace the sources of the fault within these components; so the labour cost increases accordingly, and the parts are not cheap, hence the board replacement scenario.

My guess is one or more surface-mount ICs and/or surface-mount transistors to the IF/RF tuning module has developed an internal short which will mean a workshop repair.

This may not be economical for a DVD/VCR combo with no digital tuner as the unit is over 5 years old.

Here's what I recommend: with the advent of digital broadcasts, the cheaper option is to buy a digital set-top box (SD or HD or both if you can get it - any brand with standard AV/RCA sockets) - connect the outputs of the box to the inputs of the combo (assuming there is no macrovision by the channels from the STB allowing some taping/recording occasionally), select the input 'function' on the DMR-ES30V ('INPUT SELECT' is not a channel and does not use the tuner; it uses a separate control circuit as part of the video IF stage), and this should be OK. You can try this, and avoid the workshop completely this time.

It's messy, but a lot cheaper and simpler, since your DVD and VCR part appear to be OK. You should not need to replace the combo at this stage. Analogue broadcasts are gradually being phased out. I hope this helps a tiny bit.

Mar 03, 2011 | Panasonic DMRES30V DVD Recorder/VCR Combo

2 Answers

Problem for Sylvania LC195SLX LCD TV Channels will not program in tv.check with different tv it works


It looks like your TV doesn't have a digital tuner in it. Without that you won't be able to receive any broadcast television stations. The spec sheet is here: LC195SLX the tuner is listed as just ATSC/NTSC - not digital. You will need a cable or satellite box to receive stations.

Jun 14, 2010 | Sylvania LC195SLX LCD TV

2 Answers

My son tripped over the cable cord and the cable/antenna input came off. Is it repairable and is it costly to get it fixed


It depends if the connector broke the tuner it is attached to. Most times the chassis of the set would need to go into the shop. I would generally charge $80.00-$120.00 if the tuner was still good - a new tuner would cost $60-$100 more if bad
The better solution is to use the video audio inputs (if on satellite or cable box) or use the video inputs by changing channels through the VCR (if on cable or antenna and a VCR is available)

Oct 22, 2009 | RCA P52926 52" Rear Projection Television

2 Answers

Cable input connector broken off


Usually the connector or at least a new connector can be put back on. If there is minor damage to the board, a tech can repair it in most cases.

Jul 25, 2009 | Televison & Video

2 Answers

Crackling sound from denon avr 2106


I think you may have a blown speaker.

Sha'ul

Jun 25, 2009 | Denon AVR-2106 Receiver

2 Answers

Sharp Aquos LC-46D64U need to replace broken tuner


actually you dont need the tuner you just need the rf connector itself which you can easly pick up at a radio shack for a few bucks. you can DIY it will take a bit of soldering and time. First take the broken connector to radio and look for a close match, longer leads better you can always cut to fit.
remove board from tv and un solder the tuner. if solder does not seam to melt apply some fresh solder and then unsolder. pop the tuner lid of carefully both top and bottom to gain access to the circuit. cearfully remove any remains of the old connector. Now find the hole where the last part was and insert new RF connector adjust and cut the lead if nessary and resolder to circuit. place both caps back on and resolder tuner to board.connect board to ther circuit and test.

Mar 17, 2009 | Sharp Aquos LC-32GD4U 32 in. LCD HDTV

1 Answer

AKAI Rear projection...


the back panel of the tv where the inputs go. that panel is usually attached to the signal board by clips. Resolder the clip pins on the back side of the signal board. The tuner should be a small rectangle box with a coax cable coming from it going to the coax input on rear panel. resolder where that tuner attaches to the signal board.

Mar 17, 2008 | Akai PTH5498 54" Rear Projection...

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