Question about Philips 60P8341 60" Rear Projection Television

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Part removal do you have to remove large signal board to remove small signal board? thanks

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Re: part removal

Best thing for you to do is go to Sams Photo Facts and order the sevice manual it is avail as a pdf or an e fact and cost 44.00 then that will assist you in serviceing this TV Good Luck

Posted on Apr 19, 2006

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When trying to adjust contrast, setting jumps from 42 to 58

oK, I will tell you what Philips told me some years ago about this set and others made at that time.

You have any unusual problem, remote does not work, sound goes out or up and down, etc etc it is the small signal module.

The set has a small signal board (from back it is large board on far left) and the small signal module plugs into it. SSM is about 4 by 5 inches and all surface mounted parts.

The board will have a part number on a label on it.

EVERYTHING is routed thru this board from either the remote or the front control board.

They may still be available on an exchange basis from someone like PTS ELECTRONICS but were over 100 the last time I looked a few years ago.

95% chance your problem is that board.


REGARDS, sd tech

Sep 22, 2011 | Philips 46PP9302 46" Rear Projection...


How to fix a no vertica drive problem.

Your projection TV works but the only visible part is a thin horizontal line across the screen. What happened and how do you fix it?

Your problem is that you have no vertical drive, only a small horizontal line across the screen. In older projection TVs this is usually caused by broken solder joints in the area of the vertical IC and over the entire board. It could also be caused by a bad vertical IC. Let's approch this problem one step at a time.

Disconnect the power. Remove the back cover. Remove the board with the vertical IC which is usually the board with the high voltage transformer on it and it is usually on the right side of most TVs. You can also identify the proper board by looking for and following the wires from the yoke which is on the CRT neck. There should be a yellow, brown, green and red. The yellow and brown are the vertical wires.

Before removing any wires mark them with a sharpie or a label maker. Just make sure that you will be able to reassemble the unit without mixing up any wires.

Usually the board in question is on the right. It will be the one with the flyback on it. The flyback looks like a small cylinder with about 4 large wires coming off of it. They will be red rubber and flexible. One goes to each CRT.

You will need to remove the entire assembly to get to the underside of the boards to solder the unit or replace the vertical IC. Sometimes removing the restraints will allow enough room to flip the board over and do the work without removing all the connectors and removing the board.

Once the underside of the board is exposed, solder all connections on the boards. Be careful not to bridge any connections. Test the unit for proper operation.

If the unit still does not work properly replace the vertical IC. It usually begins with LA followed by 4 digits. It will be in the vicinity of the flyback probably towards the front of the board. The Ic will be attached to a large aluminim heat sink. Make sure that you do not bridge any of the circuits when soldering. Replace the IC, reassemble and test.

If things went well the unit should work ok.

Thanks for using FixYa and for the great rating. Please consider a testimonial. Thank you.


on May 12, 2010 | Projection Televisions

1 Answer

The Audio cuts out for a split second every 20-30 seconds.

Check the small signal boards solder connections. The small signal board is the large green circuit board on the right when looking in the rear ( Has all the inputs on it ) Famous for solder issues on the ITC222 small signal boards.slinteriors_22.jpg

Aug 12, 2011 | RCA D52W19 52" Rear Projection Television

1 Answer

I am going to resolder the flyback, but what is? and where is the small signal board?? And would that need to be replaced or repaired?

I am attaching a picture of the flyback whicch is the large transformer which is on the far left side and has the thick red wire coming out its top. The small signal board is the large green board on the right side with all of the inputs on it. The small signal board is a sensitive board and requires professional tools (Chipper Check interface )to diagnose and repair. But the flybacks are famous for failing. the flyback is circled in the picslinteriors_15.jpg

Jul 24, 2011 | RCA R52WH73 Projection Television

1 Answer

Philips 60pp9202 has volume but no picture

You may a bad ground on the power supply board,and this may include a vertical IC that is having problems. Another thing for me to suspect would be the convergence board is on the fritz. At night sometime remove the back cover and see if you can see the ends of the picture tubes are lit while the TV is on. If they are I would say,yes the convergence ICs are bad. And finally , you may a bad small signal board. This is a small card next to the RCA connections and RF connectors inside this TV. This small signal card is quite expensive to replace. Also, this is my first calculation of errors on this unit. The last answer is my best guess. You will have to decide if you really want to repair this. Once again this small signal board is expensive. Thanks for asking and show a few hands of support.

Nov 10, 2010 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Menu keep on & off the screen blocking the view of the screen.

THis is an indication of faulty keyboard on the front of the set. this cuircit board can be replaced. If this is the problem you can remove this small cuicit board and use the remote until you can replace it. also this will confirm the problem. to remove this board you have to remove the bottom front panel then remove the center panel. if you remove this curict board then the menu stops poping up then this indicates the problem if not it will be on the small signal board

Oct 14, 2010 | RCA HD52W59 HDTV Projection Television

2 Answers

Hitachi model 50v71discolorization on the screen

You have a small signal board that needs reworked. Also known as the convergence board. Send off to PTS Electronics.

Sep 15, 2009 | Hitachi 53UDX10B 53" Rear Projection...

3 Answers

Projection TV, Sound but no Picture

If this Tv is a model year 1996 or 1998, It is quite possible your vertical IC needs resoldered. It is located on the small signal board. This board [quite large anyway] is the board on the left. I don't know the location off hand. The IC has seven pins and located on a heatsink, It is a TDA series. Resolder any and all grounds you see. May as well get the Large Signal board [On the right] resoldered. The other problem would be the P I P board, a small board standing up, that can be removed and replaced. But try the earlier first. This is tedious, but will produce results.

Jul 12, 2009 | Mitsubishi VS-5059 50" Rear Projection...

1 Answer


the board comes out through the rear. the board has plastic perimeter clips that have to be depressed into the plastic frame to slowly work that board out after the wires are unplugged from the board and there are also two clips that extend from the plastic frame through that circuit board that will have to be removed. The large red wire has a plastic ring lock under the rubber boot be careful not to break the ring lock on the large red cable. the small wire from the flybcak just gets pulled out with a pair of pliers, its rough but it will pull out of the flyback.

Aug 17, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

Convergence panel removed with repairman in tow

The zenith part number for the convergence out PWB is 6870VS1531A thats a small skinny, is that the board he took or did he take the large board on the left side of the chassis looking in the rear?

Jul 25, 2008 | Projection Televisions

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