Question about Mitsubishi WS-55809 55" Rear Projection Television

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Channel Memory Not working

The memory on my tv now does not go above channel 12. Even trying to adjust the memory manually does not fix this problem. My convergence problem comes and goes. However if the tv is not attached to cable it picks up the local channels without any convergence issue.

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I can help with two solutions, if you wish.Please verify Model
# and mo / yr built off back of set.............T.

Posted on Dec 26, 2007


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1 Answer

My Technika TV model X22/14C-GW-TCD-UK loses all of its channels when I turn it off. I have to retune everytime I turn the TV back on, Any Ideas welcome, many thanks

All sets use a eprom in some form or another that stores the memory of what up/down channels are programmed into the memory of the set-I will presume no box is used in line with this set for signal---very rare for this problem to even happen---next try when turn on to direct enter a known channel and see if set goes there--then manually add it in the menu---if set does not lose that memory at worst you can manually add every channel one at a time.

Oct 30, 2012 | Televison & Video

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Technika flat screen tv forgets digital channels found if switched to standby

Channel memory of stored channels is contained in a Eprom which may be part of the microprocessor------voltage when set is shut off is often from either the standby supply or even a filter cap that holds sufficient charge to maintain voltage for the memory.

Look in those areas first.

An alternate way would be to go to a box and input signal to rear audio and video jacks---the box would then retain channel memory etc and this would bypass your issue.

Apr 17, 2012 | Televison & Video

1 Answer

P50pdtv10a will not change channels stuck on channel 3

The system memory IC of your TV has damaged. This is one, which stores all the setting we have done with remote control, including channel memmory. This IC works in conjunction with the main system control IC. When we switch OFF or do any other adjustments with the tV, all the data will be stored in this IC, and tetreived from it to main system IC to process when we switch ON the TV. This is a non-volatile memory chip, ie, even the power is OFF, the data stored in it won't lost. This is a very small IC, can locate very near to main system control IC. Will have 8 solder terminals [normally], and ver cheap to buy too. Even though it is a very cheap and small one, the function of it in the circuit is great. In some Vizio sets, this IC will be of SMD [surface Mount Device] type, and on othere will be a DIL [Dual In Line] type pin confujuration. If your TVs memory is of first as stated above [SMD], replacing it will not be an easy job. If it is of second type, it can be replace easly.
Anyway, this is not a work that can be done without skill. If you have enough knldege in electronics, and have a concept of desoldering and soldering, have all soldering equipments with you, you can do this work by yourself at home. Otherwise you have to seek assistance from an experienced service technician. OK.

Oct 19, 2011 | Philips 60P8341 60" Rear Projection...

1 Answer

Please program channel memory and all channels are unavailable I have fios so I only need channel 3

U still have the tv original remote?Yes,must used it to get into chanel 3.Because the manual buttons channels up and down on the tv bazel frame will skip channel 3.Only able get into channel 3 by manual channel buttons up or down only if it was save in the tv memory.Try website like to buy the tv original remote.

Jun 07, 2011 | Philips Magnavox 27MS343S 27" TV

1 Answer

My Coby 32 in tv won't store my channel memory. When I first got the tv, it stored the channel memory but now I have to reprogram it every time I turn it on.


When autotuning the set goes throughs all transmitting channels, shows to be receiveing all channles, but seems to be tunes indefinitely, and no channels are locked, the memory IC inside the set has got damaged. In normal case, the TV will tune to all available channels at that tiime, in air or through the cable, whatever the case may be, tune up to last channel, and will stop, and will display the first channel it has got. Then we have to make adjustments on channels.
The memory IC i stated above is a small IC with 8 terminals, and can be located very near to system control Ic, at system control section. In some sets, it will be SMD type [Surface Mount Device], and in otheres will be of DIL type [Dual In Line]. If it is a DIL type, it is very easy to replace. If it is SMD type, proper care should be taken when replacing it, not to damage any track on circutit board and nearby components.
Open your TV, locate the IC and desolder it out of the printed circuit board, go for a same type and number, replace it. This will solve your problem.

Jan 18, 2011 | Coby TFTV3225 32 in. LCD TV

1 Answer

My television continues to display the phrase "DIGITAL CHANNEL SIGNAL STRENGTH IS LOW" I ahve called the cable company several times and had this checked to see if it was maybe a defective box...

Go to Menu - then channel - then memory channel - let the tv reconfigure the channels. You might need to unplug tv (the light to tv might still be on - press the on button to release the juice). Then plug tv back in. I did this and it worked.

Nov 21, 2010 | Sansui DTV2760 27" TV

1 Answer

Dual channel Mode willnot work over 2 gb's of

Hi, please read page 12, section 2.3 in your manual. Dual channel memory must be connected per manual specs.
(Correct colored DIMM slots)
Link to Asrock manual;
Main web site provided by Asrock;

Once the memory is installed into the correct colored DIMM slots your system should see up to just under 4GB if 4GB is installed while using windows XP. (Refer to Asrock's web site).

Hope you find this helpful and working.

Aug 01, 2010 | Asrock P4V88 (P4V88 RAID) Motherboard

2 Answers

Not recognizing memory.

The Asus P4S800-X MB can use Dual channel DDR memory and single channel memory. The dual channel memory which comes in matching packs. (Normally 2 DIMMS per pack) is the faster memory.
In other words if you are installing, 4- 512MB DIMMS of PC3200 all memory should be matched,
or you're MB may not see all connected DIMM'S.

See page vii in you're manual. If you're running windows XP, Home or Pro edition the bios will show up to 4GB of memory installed but windows XP 32bit will only show 3GB of memory. As mentioned above all 4 of you're 512MB of memory should be dual channel and run at the same speed. You can run both single channel and dual channel but you must follow Table 1 in you're manual. (1-9).
Example; PC3200 400MHz.
Or 4-512MB PC2700 333MHz. See page 1-9 for memory configurations and the QVL list supported.
Check out Asus FAQ's;

This should help you configure the memory.
Good luck!

May 09, 2010 | ASUS P4S800D-X Motherboard

1 Answer

GE 20GT320 TV

don't use auto programme.
use manual or semi auto.
you have to press the auto programme button a few times.

Jul 12, 2008 | GE 25GT270 TV

1 Answer

Tv wil not change channels unless vcr is on

You must go into the menu, go to the channel setup and do a channel scan.. Your TV simply lost the channel memory. Good Luck

Aug 16, 2006 | RCA 6' Video/Optical Combo Cable -- DT6VHP

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