Question about Mitsubishi WS-55809 55" Rear Projection Television

1 Answer

No picture and power shuts off after 3 seconds

I have no picture. The lamps aren't even firing. I was getting a 12 code and now I am receiving a 23 code. I can get sound just no picture. Help!

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  • mr_sparkyz Jun 22, 2009

    Thanks for the reply, however, there is no evidence at all that there was any kind of leakage.

  • mr_sparkyz Jun 22, 2009

    You say that it would be obvious, what exactly would it look like? The only thing that I see that is obvious is some kind of "paste" around the lamp bases. It is there on all three so I'm kind of led to think that this is supposed too be there.

  • mr_sparkyz Jun 22, 2009

    It was running for about 5 minutes with a 12 code. Sound but no picture. Then it shut itself off and now I get a 23 code and it turns off in a second or two.

  • mr_sparkyz Jun 23, 2009

    Hi again, Model WS-55809, Serial #120316, and after reading some of the other postings, the picos were one of the first things I checked. No problems there, Three 5A's are good; one 10A is good; two 7A's are good. I have my multimeter set at 2000 ohms, would that be adequate?

  • mr_sparkyz Jun 23, 2009

    I'm an electrician by trade so I've dealt with fuses before, however, these picos are new to me. One thing I do see, a ton of dust!

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  • 668 Answers

I would look to see if any of the CRT cooling fluid has leaked onto any of the circuit boards. You can do this pulling the front grill off the front of the unit, then remove he screws holding the wooden access cover. Then look carefully around the boards nearest the front of the set. it will be obvious if you see any. Bad news is that if you see any, put it out to pasture. The cost to repair would be more than replacement. Any of the boards that are found with that leakage on it must be replaced and all the CRT's should be replaced to make sure of no more leak problem or color imbalance due to new and old CRT's .
I hope this helps,
Skyassoc

Posted on Jun 22, 2009

  • 2 more comments 
  • Steve Yocum Jun 22, 2009

    It would look like clear droplets or a small pool of clear liquid on one or more of the three boards on the bottom.(Signal board, Power/Convergence Board, HV Board). In severe cases the area would be grayish or blacken due to the corrosion properties of the liquid. The paste areas you see are normal on the CRT Boards.

    What is the model # and serial #. I may be able to get better info for you.

  • Steve Yocum Jun 22, 2009

    If you are handy with a VOM , unplug the unit, take the back off and look at the center board(Power/Convergence board), carefully look for green pico fuses. these would be more on the left side of the of the board. They would look similarly to resistors. When measuring, they should all read 0 ohms. if any read high or open, what ever circuit the correspond to is faulty. If you don't feel confident in doing this, get a Auth. Serviceman to check it.

    I hope I did'nt go overboard on this. Good luck.

    SkyAssoc

  • Steve Yocum Jun 23, 2009

    Dust does occur. TVs seen to just draw it in. The setting of your Multi Meter was fine. I'm getting a feeling that you may have a issue on the HV Deflection board. I will what I can find out with some other sources I have. I 'll get back to you as quickly as I can.

    skyassoc

  • Steve Yocum Jun 24, 2009

    I have found out that the first code you can ignore. The second code(23) is telling you that the Horizontal and or Vertical circuit has failed. It was suggested to me that the Yoke Connections be checked at the Yokes themselves. It is common for the solder connections to open up for the Horizontal part of the connector.

    since it is wired in series from Yoke to Yoke, it only takes one of the connetores to open up to cause the problem.

    If the connectors are not the the problem. You can order the Main Board (The Deflection HV Board) from Mitsubishi at 800-553-7278 with part # 930B866006. Retail cost of the part from them is 415.00.

    Well this all I got for you,

    I hope it helps you to getter go'en

    Skyassoc

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1 Answer

My 73" mitsubishi dlp WD-73827 turns off and has a red status light blinking. I have replaced the bulb and the heat sensor... any answer to what else could be the problem?


It is helpful to have the sequence of the blinking red light. This may help:

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927

Page 43

3. Error Code Operational Check

Note: The TV must be in "Shut Down" and not have been switched Off, to perform the Error Code Operational

Check. When the TV is switched Off, the code automatically resets to "12" No Error.



Pressing the front panel "DEVICE" and "MENU" buttons at the same time, and holding for 5 seconds,

activates the Error Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem

has occured since the last Initalization.



Note: The front panel buttons must be used, NOT those on the Remote Control.



• The number of flashes indicates the value of the MSD (tens digit) of the Error Code.

• The flashing then pauses for approximately 1/2 second.

• The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.

• The Error Code is repeated a total of 5 times.



Example: If the Error Code is "23", the LED will flash two times, pause, and then flash three times.



4. Error Codes

The Error Code designations indicating malfunction, or no malfunction, are listed below:

POWER

LED

STATUS

LED

LAMP

LED

Power

Status Condition

Off Yellow Off Low

Power Excess heat. Check Lamp Filter

Off or On Off Yellow No

change

120w usage time over 7000 Hrs.

150W usage time over 3500 Hrs.

Off Off Blinks

Yellow

Low

Power Lamp Cover open

Off Blinks

Yellow Off " Filter Cover Open

Off Off Red Stby Lamp did not turn On

Off Blinks

Red Off Low

Power Fan Stopped

Off Red Off " Circuit failure (short or DVI

connector unplugged)

Abnormal LED Indications

Error Codes "DEVICE" & "MENU"



Error Codes Description



12 No error detected

22 Recovery from Reset

32 Lamp cover is Open

34 Lamp abnormality

35 DM Fan failed (Chassis Fan)

36 Exhaust or Lamp Ballast Fan failed

37 DMD Engine Fan failed

38 Lamp temperature abnormally high. Remove Lamp to check filter.

39 DMD temperature abnormally high

41 Short is detected (Standby Power Supplies)

42 Lamp Fan failed

44 DVI cable between Format and Engine disconnected

46 DMD Temp. Sensor not detected (check DT connector))

47 DM Temperature too high

48 Engine power supply short detected

51 Speaker Drive circuit short detected

52 HDD excess temperature (V30+ & V31 only)

55 HDD Fan Stopped (V30+ & V31 onlyt)

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1 Answer

Yellow blinking light . what does it mean


A blinking yellow for this model indicates the TV is too hot, unplug & allow 30-45 min to cool before re-plugging .
OR: lamp not installed or lamp door not closed. there is a lamp door switch that may not be closing, simulating door not closed


LED Indications

The front panel Status LED provides an indication of

the set's operation and the possible cause of a malfunction.

If an abnormal condition is indicated, perform the

Self Diagnostics procedure.

Self Diagnostics

To activate, press the front panel <ACTIVITY> &<CH

??> buttons at the same time and hold for 5 seconds.

The STATUS LED will then flash denoting a two digit

code.

• The number of flashes indicates the value of the

MSD (tens digit) of the Error Code.

• The flashing then pauses for approximately 1/2

second.

• The LED then flashes indicating the value of the

(ones digit) of the Error Code.

• The Error Code is repeated a total of 5 times.

Example: If the Error Code is "23", the LED

will flash two times, pause, and then flash three

times.

Table 2-2: LED Indications

Error Codes, descriiptions and the most likely cause of

the error are listed in Table 2-3.

Note: The TV must be in "Shut Down." The LED

will probably be indicating an abnormal

condition. If the TV is switched Off, AC is

removed, or a System Reset is performed, the

code automatically resets to "12" No Error.

See the Error Code Log to retrieve a history of

errors.

Note: Use the front panel buttons, not the remote

control.

Note: If there is no response, the front panel may be

locked by a V-Chip setting. To unlock, press

and hold <ACTIVITY> on the front panel for

8 seconds.

LED Indication Condition

Off Off (standby)

Green Power On

Slow Blink Green Power Off with Timer Set

Fast Blink Green (80 seconds) > Off Power Off (Cooling fan still working, 80 sec)

LED Indication Condition

Red Lamp Failure

Yellow TV Too Hot

Slow Blink Red TV May Require Service

Slow Blink Yellow Lamp Door Open or No Lamp Installed

NORMAL INDICATIONS
ABNORMAL INDICATIONS (For details perform Self Diagnostics Procedure.)

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1 Answer

When I turn the tv on, either manually or by remote, the power stays on for just seconds then shuts itself off.


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1 Answer

Red light on no picture will work fine after several minutes


There is a list of things you need to check, but offhand I'd say that the 5 volt line is low and probably right on the"edge", which is why it works sometimes and not others take a look at this list:
Cause #1
1. (Lamp may light and go out) suspect bad lamp part # 915P020010 2. Check for
12-volts DC at J-9 connector pin 4 on the Engine Driver PCB, if missing check
for an open F9A09 on the Power PCB, if it is open replace F9A09 part #
283P127060 and the Light Engine part # 939P977010 3. (Lamp may light and go out)
Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if
low or missing check C9A37 and C9A38 both 3300 UFD 10 V part # 181P732040 on the
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Light Engine part # 939P977010 5. Lamp enable line at J14 pin 6 does not switch
to 5 volts after turn on, 12 and 5 volt supplies are good. Suspect the Light
Engine part # 939P977010 6. Lamp enable line at connector J14 pin 6 on the
Engine Driver PCB switches to 5 volts after turn on and does go to 0-volts (low)
after 5 seconds, 12 and 5 volt supplies are good. Suspect the Lamp Power PCB
(ballast) part # 939P978010 7. Lamp enable line at connector J14 pin 6 on the
Engine Driver PCB switches to 5 volts after turn on but does not go back to 0-
volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Light
Engine part # 939P977010

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1 Answer

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1 Answer

Tv Shuts off occasionally 1min upon power up shows red lamp light


Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.

For example, 3 flashes, then 7 flashes = 37.


Here are the error codes, and the corresponding problem:

12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
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39 = DMD Temperature High
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2 Answers

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3 Answers

Tv keeps turning off?


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