Question about Philips 27PT543S 27" TV

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Mitsubishi WT-42311 My t.v. doesn't turn on when the power button is pushed. When I press input and menu code "22" flashes. This a warning for "short protect" I am not sure where to start looking for the problem. The fuse near the power supply does not look to blown. Can anyone help me with this problem. I have the service manual but, it only tells me the dignoses, it does not explain what the actaul problem could be. Tanks a million!

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2 Answers

Open 9a05 circuit protect on -24 volt. Also replace both STK392-110 convergence ICs. Use Sanyo replacement only. The others won't last.

Posted on Nov 16, 2007

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You have mixed info---match search model # and actual model#.----Re-post.

Posted on Oct 05, 2007

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My Sony home theater DZ290K had a push power protection on the display screen how can I fix it?


The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
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You may also refer to the following link for additional troubleshooting steps.
PROTECT and PUSH POWER flash alternately on the amplifier screen

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What does a blinking orange light on 65" Mitsubishi dlp rear projection TV mean?


Self Diagnostics

The V18 Chassis features Self Diagnostics to aid in troubleshooting problems that may cause the set to

automatically turn off or "shut down." The "Timer/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

properly.

• If the LED does not flash ... the Microprocessor is NOT functioning.

2. Error Code Operational Check

To activate the Error Code Mode, while the set is OFF, press the front panel "INPUT" and "MENU" buttons

at the same time and hold for 5 seconds. The LED will flash denoting a two digit Error Code.

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: 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 occurred.

"21" ... X-Ray Protect circuit.

"22" ... Short Protect circuit.

"23" ... Horizontal Deflection failure.

"24" ... Vertical Deflection failure.

Jul 24, 2014 | Mitsubishi WS-65809 65" Rear Projection...

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MY SONY HBD-DZ810 HOME THEATER IS CONSTANTLY SHOWING PUSH POWER PROTECTOR


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1) Are the + and - speaker cords short-circuited?
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3) Is anything blocking the ventilation holes of the system?

You may also refer to the following link for additional troubleshooting steps.

PROTECT and PUSH POWER flash alternately on the amplifier screen

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1 Answer

Getting codes of 2 flashes then pause and then two more flashes. What does this mean


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
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Mar 01, 2011 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Mitsubishi 50111


Run the diagnostics.

With the TV power cord plugged in, press the 'INPUT and 'MENU' buttons at the same time -- use the buttons on the front of the TV, NOT the buttons on the remote; a diagnostic Error Code Operational Check will begin, utilizing the 'POWER ON' LED (the green 'POWER ON' indicator light).

There will be a pattern of two sets of flashes, with a pause in bewteen flashes; this sequence of flashes will be repeated a total of five times.

The Error Code designations are listed below:

Error Code Description
12 No eror has occurred.
21 X-Ray Protect circuit.
22 Short Protect circuit.
23 Horizontal Deflection failure.
24 Vertical Deflection failure.

I hope this information helps.

Jun 17, 2009 | Mitsubishi VS-50111 50" Rear Projection...

1 Answer

Do have power and sound, do not have picture


this unit has a self test check you can do

when the set shuts down or when the set is turend off.
press and hold , onthe front of the set the input or device button, and hold the menue button for bbout 5 seconds.
the set will flash a 2 digit blink code at you.
12 blik = no problem
21 blink = xray protect
22 blink = short protect
23 blink = loss of deflection.

regards,
daniel.

Jan 15, 2009 | Mitsubishi WS-55411 55" Rear Projection...

1 Answer

WS-55807


Good Day;

Shutdown at Power Causes: Cause #1 This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH.

Sep 16, 2008 | Mitsubishi WS-55807 TV

1 Answer

Mitsubishi 56 inch rear projection TV


A 22 code in Mitsubishi is a short circuit that is causing your set to go into protective shut down. Check the horizontal output and low voltage regulators for being shorted. Let me know if I can help you further, or if you need any additional info.

Jan 24, 2008 | Mitsubishi WS-55809 55" Rear Projection...

2 Answers

Mitsubishi VS-50705, 50 inch Rear projection TV won't turn on!


most of the time the convergance ic go bad:
but try this:
The 3 flashes of the led when you plug the unit in is the
microprocessor initializing.

This unit has an error code diagnostics.

On the front panel of the unit press and hold the INPUT and MENU
buttons at the same time and hold them down for about 5 or 6 seconds.
The unit should activate it's error code mode.

The led will flash count the number of flashes. It will then pause for
1/2 or 1 second. The led will flash again count the number of flashes.
The unit will repeate this for about 5 or 6 times.

You now have the two digit error code. The first time the led flashed
is the first number of the error code, the next time the led flashed is
the last number of the error code.

12 ----------- indicates no error
21 ------------- X-Ray Protect circuit
22 ------------ Short Protect circuit
23 ------------- Horizontal Deflection failure
24 ------------- Vertical Deflection failure


Most units give a error code "22" short protect circuit. If so check:

Q5A00
C557

If Q5A00 check bad there are other parts that have to be checked or
replaced.

If you are able to do above call a tech to service the unit

Dec 11, 2007 | Mitsubishi WS-48613 48" Rear Projection...

2 Answers

Mitsubishi WT-42311


Most units give a error code "22" short protect circuit. If so check:

Q5A00
C557
and or the
convergence IC's (STK392-110) had failed and caused a diode (D522) to short
out.
If Q5A00 check bad there are other parts that have to be checked or
replaced.

Dec 02, 2007 | Mitsubishi WT-42311 42" Rear Projection...

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