Question about RCA G27647 27" TV

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I have an Rca console CTC159l with a perfect picture and no color

I am hoping someone knows a common problem with this chassis.....I have changed the jungle chip, but no go. Color comes in once in a while but 3.58 freq. is not in sync. Then goes back to great grey scale. I dont have a manual. Have also checked chroma buffer q2850 [smd] Anyone?....Anyone?

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Posted on Jan 02, 2017

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SOURCE: rca (tomson)t25062 keeps shutting off

First thing to check would be L401. Its a small coil from the secondary side of the horizontal driver transformer to the Base of the horizontal output transistor. Not a solder problem, You must take it out and scrap off the leads to remove the excess enamel paint the reinsert and resolder. Also check connections on the driver transformer too(horizontal). Next check for bad solder connections on the flyback transformer too. Good Luck PS please dont forget to rate this thread.

Posted on Oct 21, 2006

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SOURCE: 52" RCA Projection TV

This is an indicates what is know as convergence problem...this could also be what is know as deflection problem... have a technician look at it.

Posted on Dec 07, 2007

  • 1694 Answers

SOURCE: 32 RCA Telvision With Picture Stretch

Mis-shaped pix is often a bad capacitor in scan circuit or a bad
solder connect on a shaping capacitor lead...............T.

Posted on Apr 06, 2008

  • 10 Answers

SOURCE: BOWED PICTURE AND COLOR CONVERGENCE

You can replace the whole convergance board assy Part #239126 or 239126R and it should take care of problem.

Posted on Dec 18, 2008

  • 1 Answer

SOURCE: RCA HD50LPW62AYX2 50" - color wheel replacement procedure

REMOVE ALL SCREWS AROUND SCREEN AND REMOVE SCREEN. REMOVE 2 SCREWS HOLDING PLASTIC PIECE IN MIDDLE. GENTLY SLIDE OFF CIRCUIT BOARD (JUST GLUED FROM THE BACK). REMOVE PLASTIC PIECE TO EXPOSE OPTICAL CHASSIS. REMOVE THE LAST REMAINING SCREW FOR LIGHT FIXTURE. REMOVE 3 SCREWS HOLDNIN COLOR WHEEL. REMOVE RIBBON PLUGS AND REERSE THE PROCESS TO INSTALL. JERRY.(ROCKMANJV@COX.NET. LET ME KNOW HOW HAT GOES. i'M WAITING ON THE PART RIGHT NOW. WHERE DID YOU FIND YOUR PART? THEY ALL TELL ME THE PART IS ON BACKORDER. SEE YA!

Posted on Jan 06, 2009

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Same problem as above, picture bowed top and bottom, convergence


Projection sets have two very common problems outlined below.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. The TV can also shut down when the convergence starts to fail.

Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 19, 2009 | RCA P52939 52" Rear Projection Television

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RCA, CRT Projection TV, ITC222 chassis Faults - models D52W.., D40W.., D56W..,...


RCA, CRT Projection TV, ITC222 chassis Faults - models D52W.., D40W.., D56W.., D61W..
· Symptom: No Convergence, Picture is bowed and distorted, colors don’t align.
The Fuse for the convergence power supply has blown
You'll also notice that the convergence settings have disappeared from the on screen menu. The fuse likely blew because of a fault on the convergence board. If you've never done soldering or dismantled a TV before this is probably not the best place to start. The back cover needs to be removed and the fuse (see picture) identified, the deflection/power supply board needs to be unplugged (label or mark all connectors beforehand) and flipped over and the fuse checked/replaced. You need a soldering iron and solder ****** or solder wick and a multi-meter to check the fuse. If you want to tackle it yourself see attached image for reference or get a quote from a repair shop (approx $200-$300 Total) the convergence board may also need repair.



  • Symptom: Dead Set - TV Tries to Start or intermittent dead.

The set could be in shut down mode due to a fault detected in the power supply, vertical or horizontal deflection circuits.
The common problems with this chassis that will cause a dead set or intermittent dead set symptom are, bad power supply capacitors, bad flyback, bad HV cap in horizontal output circuit and cold solders (on opposite side of board) especially under the flyback area. To gain access to replace any of these parts the back cover needs to be removed and the deflection/power supply board needs to be unplugged (label or mark all connectors beforehand) and flipped over.
These are only the most common problems and it could be any number of other faults.
If you have electronic (TV) repair experience check the items mentioned (see picture), otherwise it's best to seek a qualified RCA tech for an estimate/service call.

· Symptom: Erratic operation of set – turns off by self, the volume or channel changes by self or on screen menu appears intermittently.

Switches on the front panel assembly (FPA) problem.
What happens with this model is the FPA switches (one or more) start to conduct just as if someone was pressing the buttons. This in effect locks up the system control or causes it to initiate erratic commands.
The way to determine if the FPA is bad is to remove it by unplugging from set. This requires front panel disassembly.
Note: The remote will still work with the FPA removed so the set can be tested.

Hope this helped, johnnydiode, Fixya.

bcbda82.jpg

on Dec 08, 2009 | Televison & Video

1 Answer

Hey!!!!!


most likely cause is fuse FL231 on the deflection board is blown due to DL231 and CL230 needing replacement. You can get the parts at the following link with instructions on where they are located in the chassis. Heres the link look under the RCA Parts Category. http://servicemanuals.vstore.ca/

Jan 29, 2009 | RCA R52WH73 Projection Television

1 Answer

Document Recognition


Hi!

Here is an OCR software which you can download for free.

Please click on the link to access free OCR (scan to text) software.

Thanks.

Jan 06, 2009 | Epson 2580 Perfection Photo Scanner

1 Answer

BOWED PICTURE AND COLOR CONVERGENCE


You can replace the whole convergance board assy Part #239126 or 239126R and it should take care of problem.

Dec 18, 2008 | RCA P50830BL 50" Rear Projection...

2 Answers

RCA HD50LPW62AYX2 50" - color wheel replacement procedure


REMOVE ALL SCREWS AROUND SCREEN AND REMOVE SCREEN. REMOVE 2 SCREWS HOLDING PLASTIC PIECE IN MIDDLE. GENTLY SLIDE OFF CIRCUIT BOARD (JUST GLUED FROM THE BACK). REMOVE PLASTIC PIECE TO EXPOSE OPTICAL CHASSIS. REMOVE THE LAST REMAINING SCREW FOR LIGHT FIXTURE. REMOVE 3 SCREWS HOLDNIN COLOR WHEEL. REMOVE RIBBON PLUGS AND REERSE THE PROCESS TO INSTALL. JERRY.(ROCKMANJV@COX.NET. LET ME KNOW HOW HAT GOES. i'M WAITING ON THE PART RIGHT NOW. WHERE DID YOU FIND YOUR PART? THEY ALL TELL ME THE PART IS ON BACKORDER. SEE YA!

Oct 23, 2008 | RCA HD61LPW165 61" Projection HDTV

1 Answer

Blue convergence


DO you have 2 possible solutions

1.--Look under the CTR ( picture tubes) for leak coolant , all the times this set leaking, if is positive, use alcohol 90% with a bottle spray, clean the area, tied screws gasket ctr and let dry for 6 hours minimum.

2.--Loose connections on the left chassis ( convergence board), re solder ( look for possible resistor born)

Aug 05, 2008 | RCA P52926 52" Rear Projection Television

1 Answer

How do I know I need a Color Wheel?


You have the ATC 332 chassis you can get the service manual at the following link and that will explain how to tell if the color wheel is bad. heres the link they will email the manual to you within minutes. Its listed under the RCA catagory on the left side.
http://servicemanuals.vstore.ca/

Jun 12, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

2 Answers

Rca model p52721lv


whats the chassis number Rca has to be cross referenced by chassis number

Mar 19, 2008 | RCA P46924 46" Rear Projection Television

2 Answers

56 projection t.v. color problems


If you mean they are separated like a 3-D effect, then you have the typical bad convergence IC problem. There are two IC's mounted on a large metal heatsink, they will have STK392-###, the ### being differant models of TV sets. these are soldered into place and are no usually replaced by the user, unless you have solid state repair experience, knowe how to solder, have a schematic on the set, and know the High voltage safty factors of projection TV serviceing. If you have no experience, please play it safe, and get someone who is trained to service TV sets. Good Luck Please do not forget to rate this thread.

Dec 08, 2006 | RCA P52926 52" Rear Projection Television

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