The picture on my Mitsubishi WS-73411 TV goes off after an hour or so. I checked the error code on the flashing LED's and I get a 23. Any solutions?
Is this something I can fix myself? [pretty mechanically inclined]. This just happened last night. I can let the TV sit for an hour or two to cool down and then I can turn it on and get a picture for about an hour or so until it heats up and shuts off again.
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Re: The picture on my Mitsubishi WS-73411 TV goes off...
The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size
Testimonial: "Thank you for your response The Knight.
However, this TV is an older rear-projection TV.
I discovered this web article that addresses this problem and it sounds like the problem could be this:
"The suggestion I have for 23 error is to re-solder the plug connectors on the CRT yokes. Sometimes the solder joints of the pins on that small board get cracked and cause 23 error. On each CRT there is a 4-6 pin wiring harness with large gauge wire that plugs into a small circuit board mounted on the yoke. The boards may be under some plastic covers. You may not be able to see the cracks in the solder so I suggest you just re-solder every pin on all three CRT's. It's best NOT to remove the yokes and NOT to remove the CRTs because you will be in for hours of alignment. Do everything you can to re-solder the pins without moving the yokes. I have done it, you basically have to lay on your back and do it upside down. But it's better than hours of alignment."
Thank you for your time."
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The next time it shuts down (I presume the green power light goes off) do the self check this model has, on front of set press and hold both the menu and input buttons for at least five seconds and release both.
Power light will blink a 2 digit error code like : 1 blink, 2 blink and repeat it several times.
1,2 is no error detected but there are other codes.
You can check the Error code by doing the following.
On the Front panel hold down the Device and Menu Button for 5 seconds. The LED light will then start flashing the first set of flashing lights is for the "1"5 part of the code it will then pause for about a half second and start the ones place 1"5". The code will repeat 5 times before going off.
The Error Codes: 12 - Normal Operation; 21 - X-Ray Protect; 22 - Short Protect; 23 - Loss of Horizontal Deflection; 24 - Loss of Vertical Deflection.
The problem may also be in the power supply when you first plug the device in check how many times the Led blinks if it blinks for just over a minute the power supply is working fine. If the Led blinks repeatedly and does not stop the DM is not running.
This is a link to the service manual for you TV, http://www.service-manual.eu/model.php?id=2710
Hi, Most common problem in WS-55819 is failure of convergence output chips and blown pico fuses in power supply section. You need to read out error code in tv, procedure is as follows: Pressing the front panel "INPUT" 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 occurred since the last Initialization. Note: The front panel buttons must 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 "24", the LED will flash two times, pause, and then flash four times. Error codes detail: The Error Code designations indicating a malfunction, or no malfunction, are listed below: "12" ... indicates no error has occurred. "21" ... X-Ray Protect circuit. "22" ... Short Protect circuit. "23" ... Horizontal Deflection failure. "24" ... Vertical Deflection failure. This way you can determine what section got problem in tv and causing problem. Let me know if you need further info. Thanks.
4. Self Diagnostics
The “Power ON LED” provides an indication of the sets operation, and the possible cause of a malfunction.
1. Initial Control Circuitry Check
Immediately after the TV is connected to an AC power source:
• The LED flashes three times ... indicating the Microprocessor has initialized and is functioning
• If the LED does not flash ... the Microprocessor is NOT functioning.
2. Error Code Operational Check
Pressing the front panel “INPUT” 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 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: For Error Code is “24”, the LED will flash 2 times, pause, and then flash 4 times.
3. Error Codes
The Error Code designations indicating a malfunction, or no malfunction, are listed below:
“12” ... indicates no error has occured.
“21” ... X-Ray Protect circuit.
“22” ... Short Protect circuit.
“23” ... Horizontal Deflection failure.
“24” ... Vertical Deflection failure.5. Circuit Adjustment Mode
Most of the adjustments can only be performed using the remote hand unit. Many of the adjustments must
be performed in both the NTSC and HD modes. Video/Color adjustments must be performed in the NTSC
and HD modes, and data must be preset in the 480P (DVD) and VGA modes.