Question about Panasonic PT-44LCX65 Television

2 Answers

Air Filter Cleaning error message

Cleaned the entire TV, didn't find any filters but message persists and TV shuts off after a few minutes. How do you reset air filter and /or get rid of message???? Any ideas???

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  • Anonymous Jul 29, 2008

    Same problem. I live 100 miles away from the closest city and cannot get anyone to fix this. Can anyone help? I am using this TV for educational purposes with a nonprofit aganecy.

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2 Answers

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There are indeed 2 air filters on the light engine. To clean these, it is necessary to open up the television's back lower panel, remove an electrical component, then slide out the projection unit (you must be very careful - this is over $600 to replace if you break it). The air filters are pretty easy to clean...I used gentle strokes from a soft bristle hobby paintbrush and blowing (I wouldn't recommend using a can of compressed air for this...these filters are somewhat fragile). Dust out the rest of the unit pretty good (use EXTREME caution when doing this). Then put everything back together, and then you have to go through the re-alignment procedure. You can obtain the technical service manual on the Internet...sorry, but I can't help you find it...I am not sure about the legal/copyright ramifications of distributing the manual w/o Panasonic's permission...but its out there...Google is your friend. I would NOT attempt this repair without this manual...it contains crucial diagrams, and "gotcha" warnings (like what order to tighten screws for example). This isn't a hard repair if you just take the time to prepare, move slowly and methodically, and don't be in a rush. Good Luck!

Posted on Sep 22, 2008

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No no no no u do not slide out the projection unit u simply pop off the front of the TV directly in the middle there is a panel with two screws then vac out the entire spot becareful do not blow dust around on the projection then take a can of air duster blow underneath the unit u should seee little clouds of dust. Make sure u vac out the thin foam cover with the grill then ur tv should be working great Good Luck hope i could be some help !

Posted on Jan 30, 2009

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I have a pt-60lcx64 tv I need new filters for it do you know where I can get them


Panasonic LCD Projection Air Filter Message on screen. PT ...

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i have a panasonic tv model#pt-60lcx64 and i can not reset



Jan 19, 2016 | Flat Panel Televisions

Tip

CLEANING FILTERS IN A PANASONIC DLP


THIS TIP WILL BE BASED ON A PANASONIC DLP MODEL PT-52LCX65-K
MANY OWNERS OF PANASONIC DLP S RECIEVE A ERROR MESSAGE THE TEMP LED WILL FLASH 5 TIMES EVERY 5 SECONDES .THIS INDICATES A CLOGGED AIR FILTER .It is important to take in consideration before starting that even after cleaning the tv and the filters problem can comeback if such is the case this indicates a more sever problem .

So lets get started first we must tack off the backcover 86e50b1.jpg22056d1.jpg

on Jun 16, 2010 | Flat Panel Televisions

1 Answer

Tv desn't turn on,power light just flashes ten times and then stops and then again


Error Indication Information
Error No. Error Information ERROR DESCRIPTION LAMP LED OSD LAMP OFF
(Note 3) (Note 4)
POWER LED TEMP LED
Note:
1.When any of the above errors has occurred, the LED will flash as shown above every 5 seconds.
2.When two or more errors have occurred at the same time, the LED will light up or flash as shown above, and then
change to another every 5 seconds in turn.
3.Warning OSD appears when the Air Filter is clogged 90%, accumulated operation time of the Lamp reaches 5000 hours,
or accumulated operation time of the Air Filter reaches 400 hours.
4.LAMP OFF: The LED will flash right after the Lamp goes off.
5.IC2301 is mounted on LCD Main C.B.A. which is included in the Projection Unit.
6.IC6001 is mounted on TV Main C.B.A.
Clogged air filter
more than 90%
15)
16)
17)
18)
1)
2)
3)
4)
5)
6)
7)
11)
8)
9)
10)
12)
13)
14)
- flashes 5 times -
every 5 seconds
IC2301(pin82) detects the clogged air filter, then indicates the
error when the air filter is clogged 90%.
Front Fan stop or
Lamp Fan stop
flashes orange
once every
5 seconds
- -
IC2301(pin12) detects the Front FAN stop or Lamp
FAN stop, then indicates the error when the Front FAN
or Lamp FAN is stopped.
Lamp Cover open
Temperature Sensor
short or open
flashes orange
twice every
5 seconds
flashes orange
3 times every
5 seconds
flashes green for
140 seconds.
flashing red for
60 seconds.
light up red.
flashes once
every 5 seconds
flashes once
every 5 seconds
flashes red for
10 minutes
flashes once
every 5 seconds
-
-
-
-
Abnormal
Temperature
flashes twice
every 5 seconds
flashes twice
every 5 seconds
- -
Request for Lamp
Replacement - - lights up
Power Ballast Error
(abnormal
Lamp voltage)
- -
flashes 3 times
every 5 seconds
Power Ballast Error
(abnormal
temperature)
- -
flashes 4 times
every 5 seconds
Power Ballast Error
(other causes) - -
- -
Request for Filter
Cleaning -
Abnormal Voltage
on 16 V line of
LCD Main C.B.A.
-
flashes twice
every 5 seconds
flashes twice
every 5 seconds
Abnormal Voltage
on 14 V line of
LCD Main C.B.A.
-
flashes 3 times
every 5 seconds
flashes 3 times
every 5 seconds
Abnormal Voltage
on 7 V line of
LCD Main C.B.A.
-
flashes 4 times
every 5 seconds
flashes 4 times
every 5 seconds
IC2301(pin76) detects the Lamp Cover Unit condition
(open or close), then indicates the error when the
Lamp Cover Unit is open.
IC6001(pin85) detects the Duct FAN stop, then
indicates the error when the Duct FAN is stopped.
IC2301(pin74 and 75) detects open or short of the Temperature
Sensor (R2911) on Front Thermistor C.B.A., then indicates the
error when Temperature Sensor is open or shorted.
(The error is not detected for 1 minute after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Front FAN by the Temperature Sensor (R2911) on Front
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 43 C (109 F).
(The error is not detected for 1 minute after Lamp ON.)
IC6001(pin86 and 87) detects open or short of the
Temperature Sensor (R2901) on Lamp Thermistor C.B.A.,
then indicates the error when Temperature Sensor is open or
shorted.
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Lamp by the Temperature Sensor (R2901) on Lamp
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 60 C (140 F).
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin11) detects the error of LCD Power C.B.A.,
then indicates the error when the temperature fuse
(117 C)(243 F) in LCD Power C.B.A. is open.
IC2301(pin11) detects the error of LCD Power C.B.A. and Lamp,
then indicates the error when an inner malfunction of LCD Power
C.B.A. occurs, the Lamp voltage becomes more than 130V or
less than 30V, Lamp current becomes more than 5A, or the Lamp
is cracked.
IC2301(pin11) detects the error of the Lamp, then indicates the
error when the Lamp is short-circuit.
IC2301(pin48) detects +16V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +13V.
IC2301(pin47) detects +14V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +11V.
IC2301(pin45) detects +7V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +5.7V.
IC2301(pin44) detects +3.3V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +2.5V.
flashes 3 times
every 5 seconds
flashes 4 times
every 5 seconds
Abnormal Voltage
on 3.3 V line of
LCD Main C.B.A.
-
-
-
- flashes 5 times
every 5 seconds
Forced cooling
The failure of Lamp
light up
-
Temperature Sensor
short or open
-
-
Abnormal
Temperature
Duct Fan stop -
When accumulated operation time of the the Lamp reaches
5000 hours, OSD (replacing the Lamp) appears on the screen.
Note: The Lamp time is stored in EEPROM (IC2305).
When accumulated operation time of the Air Filter reaches 400
hours, OSD (cleaning the Air Filter) appears on the screen.
Note: The Filter time is stored in EEPROM (IC2305).
During forced cooling, this indication is indicated.
IC2301 (pin11) detects the failure of light up processing of
the Lamp, then the POWER LED is changed as follows.
1) POWER LED flashes green for 140 seconds (while turning on).
2) POWER LED flashes red for 60 seconds (while cooling).
3) POWER LED lights up red (standby).
Note: If the Lamp will not light after attempting turning on the
power 2 or 3 times, the Lamp, the LCD Power C.B.A. or the
LCD Main C.B.A. may be defective.
Error Symptom Problem Possible Solutio

May 30, 2010 | Panasonic Viera TH-50PX80U Plasma TV

2 Answers

A message keeps popping up saying I need to clean the air filter then the tv shuts off on it's own. It's a panasonic 60 inch projection


there is a louvered air intake panel on either lower side of tv. there is 1 or 2 screws the filter is right behind that panel.. take it out and clean it with warm dishsoapy water and pat dry on a flat surface with paper towels then reinstall. your th will not come on till the panel is screwed back into place. there is a microswitch type sensor that makes sure that the screws are in place...goodday

Nov 13, 2009 | Panasonic PT-60LCX64 Television

1 Answer

55" TV keeps shutting off automatically


Green light flashes 5 and then red light flashes 6

Sep 14, 2009 | Sony KDF-E55A20 55 in. LCD Television

2 Answers

T.V. is giving a message that it will shut down after a few seconds and to check the air flow?


Possibly the fan to the cooling light has failed. needs a callout tech before it overheats and causes more problems

Aug 01, 2009 | Flat Panel Televisions

1 Answer

Air filter keep popping on screen and shut off after 1 minute.


I had the same problem with my Panasonic tv, just 3 days after a technician came out to fix "fuzzy spots" which were multi colored, but mostly green spots. I really thought that the technician was in some way responsible, but Panasonic insisted that there was no possible way he was. It was going to cost $240.00 for him to come out to clean the air filter, and both the technician and Panasonic insisted that I couldn't do it myself. I had decided to buy a new tv to cut my losses. My boyfriend talked me into trying to fix it, we are both sort of mechanically inclined, and it was going in the trash anyway.
We took the back and top off the tv. It took some looking, but we finally found the filter, just over the projector. We removed the cover, it has to be done from the back of the tv, it is black and held on by 4 small screws, be careful not to drop them into the tv, we dropped one, but it shook out. We vacuumed the filter really well, and vacuumed around everywhere. We put the tv back together, not expecting it to work, but thinking at least we tried. It works great. It has only been a few days, but it seems like the problem has been solved.
Good luck if you decide to try. I have decided not to put another penny into the tv.

Jan 07, 2009 | Panasonic PT-60LCX64 Television

1 Answer

Panasonic


The air filter should be a user-accessible thing. Consult your owners manual for details. Can you find the manual?

Dec 30, 2008 | Panasonic PT-44LCX65 Television

1 Answer

Panasonic PT-60LCX64 Air Filter Cleaning


Cleaning filter for the Panansonic PT-501LCX64.

I just had a T.V. tech do this. The filters are located on the two removable filters on the back side of the T.V. They look like the speaker units. He removed those two units, unplugged them & set them on the floor. He took some type of electronic cleaner with a cloth & wiped them down. The filters themselves are plastic. He explained that air flows through some tube connected to these plastic filters for cooling down below. He admitted they didn't look dirty--put everything back together & it is working fine now.

I imagine that dirty or not the timer is automatically set for every 400 hrs. of use to give you the prompt that the filter needs cleaning & will shut off in one minute so you can call a T.V. tech?

So to reset the timer--follow the other detailed prompts listed on this board & or use your owners manual & follow the prompts for replacing the bulb. That should take you somewhere to reset the timer--so you have another 400 hours of operation.

I believe it's with the T.V. turned off--hold down the down volume on your tv itself while holding the swap button on the remote control for 5-7 seconds---then follow the prompts. You should see a prompt for replacing a bulb & then one for filter cleaning. Then just reset the timer.

Hopefully this will help?

Nov 04, 2008 | Panasonic PT-60LCX64 Television

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