Question about RCA HDLP50W151 50" Rear Projection HDTV

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Hplpw175x7 Hi, Where can I get a ballast from for my tv? RCA HD50LPW175 ATC336 Original Ballast 38169102DG 5102 thanks!

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  • RCA Master
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I need to know which type lamp assembly you use there are two types type A and Type B. Let me know and I will post a link where you can get a new ballast circuit.

Posted on Jun 10, 2008

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4 Answers

RCA M50WH72S Replaced bulb and ballast. TV comes on with good video for about 5 seconds, then off with good audio, front power light blinks 5 times. After a few minutes the video comes back on and repeats...


Check capacitors cp624, cp647 1000uf@35v each. They are in the power supply. Can be seen with bulge on the top. Seems to be a common problem with this model RCA.

Jun 07, 2011 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

I have the same problem on my rca serial# hd50lpw166


It seems more to be an issue with your ballast, of course this is if you replaced the lamp before, but regarding the clicking sounds it's most probable to be your ballast. discountdashmerchantdotcom, the ballast aren't that expensive, they're around 60 dlls

Jul 23, 2009 | RCA HD50LPW175 50" HDTV

1 Answer

My RCA 50'' DLP Rear Projection TV will not turn on


Hi, This could be several things as the power goes everywhere. Long distance troubleshooting so hang in there. First try a cold reboot by unplugging and replugging after 30 minutes. If nothing check P1 on the light engine for the following voltages: pin 2 5vdc, pin 3 3.3vdc, pin 9 3.3vdc, pin 12 12vdc. If any of these are not good it is the formatter board. If all are good, does the color wheel spin at all. If this is OK then check J4 on the light engine, the ballast enable line should be 0 vdc in stby, .5 vdc at turn on, and 2.5 to 3.25 vdc in run. If good, is the light engine trying to fire the lamp? If not, inspect the J4 connector and the lamp power supply, If they look OK then the lamp ballast is probably bad. This will give you something to do for now, Good Luck!

Feb 15, 2009 | RCA HD50LPW175 50" HDTV

2 Answers

Need A service Manual ASAP


you can get the RCA training manual for the ATC446 at the following link. Your set is the ATC336 chassis. here is the link.
http://servicemanuals.vstore.ca/

Jul 24, 2008 | RCA HD50LPW175 50" HDTV

1 Answer

Hplpw175x7


I would try the power supply first as the ATC336 has a history of the bad power supply boards.If the power supply doesnt fix it then I would think it may possibly be the ballast

May 30, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Hplpw175x7


Thats a good price as long as they guarantee that it works. How were you able to pull a capacitor off without un-soldering it?

May 30, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Hplpw175x7


Try replacing these 4 capacitors on the power supply first, as thats only abou 5.00 at radio shcak and that may solve your problem as I have had alot of the RCA DLPs have these capacitors go bad. They are capacitors CP624, CP639, CP641 and CP644 try replacing them first as you may just end up not having to pay out alot of cash needlesly. Please let me know if you need further assistance or how changing the capacitors worked and we can go from there to get the set up and running again.

May 29, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

HD50LPW175 No Sound No Picture


See my posted tip for the ATC336 chassis under my profile. Sounds like the capacitors on the power supply

Feb 14, 2008 | RCA HD50LPW175 50" HDTV

1 Answer

Rca 50 dlp hd50lpw175


Yes but did you find a fuse open and changed it?

Jan 08, 2008 | Projection Televisions

1 Answer

HELP Can anyone e-mail me the manual of the RCA HD50LPW175 TV, My TV won't turn on. IT SUCKS!!!!!my e-mail is cuevahenry@hotmail.com


see the posted tip under my profile for the ATC336 chasis. sounds like you have a power supply problem. If you still want the manual let me know I will post a link where you can obtain one.

Nov 23, 2007 | RCA HD50LPW175 50" HDTV

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