Question about Akai PDP-4247 Television

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Dave I m having the same 4247-L issues as others have had. I was told I need a sustain something or other and akaii no longer makes it. What is the solution to the vetical lines on my monitor? wjw1962@aol.com

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Hello, My name is Dave and I can help you fix your Plasma TV. Do you have Black vertical 1.5 inch line or lines on your screen that come and go? Then give me a call. Please feel free to give me a call @ 1-503-432-9904 or message me at pleasefixitdave@yahoo.com

Thank you!

Dave,

Posted on Jan 29, 2009

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1 Answer

Radio worked fine when bought 2 days worth went to key up mike only sound is a sustained whistle sound,took to repair shop had fixed guy said he rebuilt talkback worked again 2 days same result sustained...


Do it have a relay mod for the talkback if so take that thing out. use the normal talkback. We are in TX.. no charge to check out.. I would check to make sure it has just plain normal talkback, and no other mods done first.. any other mods done??

Mar 19, 2011 | Connex Radio Communications

1 Answer

A bought an Yamaha DGX 640 grand a week before and the note sustain for a longer duration and overlaps with the current playing notes. I checked the sustain in the function setting and it is also showing ...


The function setting is for the PANEL sustain (Page 68 of your manual)

The other method of sustain is by footswitch or pedal option. See page 13.

If you use a footswitch, it needs to be a normally open contact type. If you plug a Roland type in, it is opposite polarity and will sustain UNLESS the pedal is pressed. Make sure nothing else is plugged in the sustain jack... headphones that are inadvertently plugged in there would sustain.

Mar 06, 2011 | Yamaha DGX640 Music Keyboard

1 Answer

Sustain Pedal doesnt sustain long enough. can it be adjusted to sustain longer


You haven't told us what keyboard you have... HOWEVER the pedal itself will have no effect on the length of sustain as long as it is held. The decay of the sustain is controlled by a parameter in the keyboard itself and some allow it to be adjusted and others do not. We have no way of knowing about yours as you didn't tell us which you have.

Jan 19, 2011 | Compaq Keyboard

1 Answer

Suddenly no picture but sounds.


Hello, You may have a bad Y sustain board! Part #'s are:

6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.

Here is a link to the part you need!

http://www.discount-merchant.com/Y-SUSTAIN-PN-6871QYH053A-6871QYH053B-6870QYH005B-p/vizio-sku9506.htm

I hope this help you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!

Thank you! :-)

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

Aug 05, 2009 | Toshiba 42HP66 42 in. LCD Television

1 Answer

We have a Toshiba 42HP66 Plasma television, purchased in 2006. The other day we were watching it and the screen went black but we still have sound?


Hello, You have a bad Y sustain board! Part #'s are:

6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.

Here is a link to the part you need!

http://www.discount-merchant.com/Y-SUSTAIN-PN-6871QYH053A-6871QYH053B-6870QYH005B-p/vizio-sku9506.htm

I hope this helps you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!

Thank you! :-)

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

Aug 04, 2009 | Toshiba 42HP66 42 in. LCD Television

1 Answer

With no picture but only sound on my Akai PDP 4294


Try replacing the Y-sustain board. Might have to replace buffers attached to it too. Have you had it diagnosed? My picture went out and I replaced the power supply board. Worked for 2 weeks then acted up again. Got a different power supply board. Same thing 2 weeks later. Was told it now was a bad Y-sustain board. Replaced y-sustain board. Worked OK for about 2 hours then started having picture issues. Not the same issues before power supply or y-sustain problem. Was told that you might have to replace buffers attached to y-sustain when you replace y-sustain. Tired of dealing with it and only watch a couple hours a day, so I don't always have the problem unless I watch the TV for a long time. Will eventually replace buffers to see if that works. I would definitely find a place that gives free estimates or close to free to get a technician diagnosis. Then you can decide if you are able to do the work yourself.

Jun 06, 2009 | Akai PDP4294 42 in. EDTV-Ready Plasma...

1 Answer

No picture black screen


Hello, You most likely have a bad Y sustain board! Part #'s are:

6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.

Here is a link to the part you need!

http://www.discount-merchant.com/Y-SUSTAIN-PN-6871QYH053A-6871QYH053B-6870QYH005B-p/vizio-sku9506.htm

I hope this help you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!

Thank you! :-)

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

Apr 10, 2009 | Toshiba 42HP66 42 in. LCD Television

2 Answers

Red dots on my LG 42PX5D


Hello, you do not need to replace any of the sustain boards in your TV to fix the problem you are having. All you need to do is remove the back cover and make an adjustment to the Y sustain board. You will need to adjust the set_up & or the set_down! If you would like to do the adjustments to your TV please feel free to give me a call or message me. Ask for Dave! 1-503-432-9904 or message me @ pleasefixitdave@yahoo.com You will need to remove the stand & the back cover. Then put the stand back on the TV so that you are able to set the TV in the up right position with the back cover off! Then you'll need to hook the TV up to a DVD player so that you are able to pause the picture while you are doing the adjustment to the Y sus! Do not adjust any other adjuster on the Y sus other then the SET_UP or the SET_DOWN. In order to identify the correct adjusters on the Ysus just look on the board and it should say SET_UP & SET_DOWN next to the correct adjusters. If you need more help please feel free to give me a call or message me!

Jan 12, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

42hp66


Hello, You most likely have a bad Y sustain board! Part #'s are:

6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.

Here is a link to the part you need!

http://www.discount-merchant.com/Y-SUSTAIN-PN-6871QYH053A-6871QYH053B-6870QYH005B-p/vizio-sku9506.htm

I hope this help you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!

Thank you! :-)

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

Nov 28, 2008 | Toshiba 42HP66 42 in. LCD Television

7 Answers

Sparkles


Makes you wonder why nobody is taking on the problem, doesn't it?
Well , to the best of my knowledge, it is because nobody really can.
To understand why you have to understand what do they sparkles come from.
They are random electricity discharges coming from capacitors or other components that act like capacitors, but mostly capacitors.
When laymen hear about capacitors they usually associate the word with bulged electrolytic capacitors, which often cause problems in electronics of all kind.
Well this time it isn't about them.
It's about all other capacitors - or other components exposing similar qualities - which are installed on the board. Most of them are small filter capacitors put in parallel to the big ones or to other passive components such as diodes and resistors.
The excessive heat developed by the sustain boards damages those capacitors. It hardens the electrostatic material they are made of and small breaks in it start occurring at voltages that shouldn't otherwise be causing issues.
The trouble is, they can be everywhere. You can't just pinpoint which ones were caught at fault and causing the sparkles.
When it gets REALLY bad eventually the whole capacitor burns and either shorts or, more commonly, just breaks.
Believe it or not I've seen a board that exploded before my very eyes and , after the explosion, started working LIKE A CHARM!
Turned out a small filter capacitor had blown. It as not essential for the board's functionality and after being problematic for so long and causing image deffects it had eventually shorted completely and literally exploded.
Luckily, the short it had created was too short in time and apparently in a circuit that could take the load for a short while without getting damaged.
So after it blew everything worked just great!
it's a real story from my repair experience.
Hope this helps all consumers, DIY enthusiasts and competitors alike :-)
For more you are welcome to visit our site and read our tech repair blog at
http://www.coppelltvrepair.com
and
http://blog.coppelltvrepair.com .
Good luck!

Aug 26, 2007 | LG 42PX5D 42 in. Plasma HDTV

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