Question about Mitsubishi WS-55819 55" Rear Projection Television

1 Answer

Session closed accidently can you get back Shuttle83 or can someone pickup where he left off???

I went through the self diagnosis and got a 2 - 3 on the led front panel. I think this is a deflection protect (maybe a loss of vertical or horizontal deflection). I have heard through other people that there problem was the IC's behind the heatsink and another person had said it was there power switch that was bad. Just need assistance in finding exactly what it is so I don't get the wrong part. Do not have a schematic either. Thankyou, Wade Comment by midway, posted on Sep 12, 2007 Have been closed out for some reason and have not even started the troubleshooting process with Shuttle 83. Must of got acceppted for some reason, was not me unless it was an accident. I was waiting for the schematics he told me to order. They will be in today, can you reconnect me with him. He is waiting my reply. Please take care of this problem, do not want to talk to a different person and pay again. Thank you, Wade -------------- Forwarded Message: -------------- From: "FixYa.com" To: "midway" Subject: New Premium Solution Date: Tue, 11 Sep 2007 01:42:19 +0000 Dear midway, Shuttle83 has offered a new solution for the WS-55819 55 in. Rear Projection Television - Mitsubishi ws-55819 power loss problem problem you posted on FixYa.com. Click Here to read this solution or find it in your Profile on Fixya. Please do not forget to tell us if this solution was helpful by accepting it. If you require further assistance you may reply to Shuttle83 or repost your problem to the other experts. Regards, Best Solutionposted on Sep 11, 2007 By Shuttle83 Rank: Master Rating: 75.64%, 55 votes Hello Wade, We first need to find out what is wrong and to do that you need to contact the manufacture and get a schematic. Let me explain why. A television is a complex system, and there are components that channel hugh amounts of voltage and current, to go into the section that you need to go into without a schematic is ill-advised, I don't mean to sound preachy, but having 25 years of Electronics experience, two degrees in Electronics Engineering, being a Certified Electronics Technician, and a Certified Broadcast Technologist, even with all of this I don't do anything with electricity or electronics without having a schematic. The reason I said all of this was because of your last statement. I want to help you, but part of that help requires that you meet me or anyone here on FixYa half way, and if any of the technicians here require that you get a schematic, they are not telling you that because they want you to spend money, they are telling you that because they need to know what voltage levels are present and what ones are not. That could be the difference between you spending $400.00 (IHVT, HOT, Volt reg) and you spending .25 cent (Fuse). Now this is what I want you to do, I want you to call the manufacture and get a schematic, then I want you to get a Digital Multimeter. After you have these items, I will spend as much time as you need helping you with fixing this TV. I said all of this because I want to help you fix this problem but you have to at least beable to tell me what the circuit conditions are. I hope I have not offended you, Respectfully Submitted, Shuttle83 Thank you for rating this solution.

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I rarely use a schematic diagram for common tv repairs. If

your tv model fails, many others do,also.That is how we determine which parts to inventory and for how long.Most

repairs on a particular chassis are only difficult the first time---

the next several hundred times are much easier!

That is why Fixya is a good way to get assistance.Provide the

make,model,age and symptoms and we go from there...

Posted on Oct 20, 2007

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Sharp SJ-F80SP-BK 4 Door refrigerator doesn't cool, freezer (bottom) working fine


When the freezer section gets cold and reaches its required cooling temperature, after that the frost on freezer section starts defrosting and the cooling fan in the freezer section blows this cool air from freezer to fridge. But if the defrost cycle does not start then over ice will get collected on freezer ventilations and that will block the air passing section from freezer to fridge, so the freezer gets cool but fridge section does not cool.Its defrost problem. Try manual defrost by unplugging the refrigerator from main power outlet for 4 hours then reconnect it and check, if the same problem is noticed again,. If yes then its defrost board problem. The defrost board located in the back of fridge section. You can get required parts from www.repairclinic.com or from online sears part site. ------------- Thank you.

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Printing problem with HP Laserjet P2015 printer


This can be an issue with one of the faulty sensor across the printer.
Please check if you are able to print from tray 1, e.g. a configuration page.
A config page can be printed by holding the Green Button and releasing it as soon as the Triangle light comes on. This would take approx 5 secs.
If the printer is able to print from tray 1, then it could be an issue with the tray 2 pickup sensor.
Check if the tray 2 pickup sensor ( a black plastic piece to the right of the tray 2 pickup roller) is moving freely (front and back), also check if tray 2 pickup roller is not able to rotate completely.

If the tray 2 sensor is not moving freely and of the pickup roller is rotating completely, then reseat the pickup roller.

Normal use with good media causes wear resulting in the need to periodically clean or replace the pickup roller. Additionally, the use of poor media might require more frequent replacement of the pickup roller. Replacing the pickup roller Complete the following to replace the pickup roller:

CAUTION: Failure to complete this procedure might damage the printer. Unplug the power cord from the printer, and allow the printer to cool.

Figure 1: Unplugging the power cord
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2. Open the print cartridge door, and remove the print cartridge.

Figure 2: Removing the print cartridge
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3. Remove the main input tray (Tray 2).

Figure 3: Removing the main input tray (tray 2)


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4. Open the front automatic two-sided path door (HP LaserJet 1320 series printer only).

Figure 4: Opening automatic two-sided path door


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5.Place the printer on the work surface with the front of the printer facing up.

Figure 5: Placement of printer


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6. Pull the white tabs outward, and rotate the tabs up.
Figure 6: White tabs
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7. Slide the right tab to the right, and leave the tab in this position throughout the procedure.
Figure 7: Right tab movement
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8. Slide the pickup roller assembly to the right, and remove the left end cap.

Figure 8: Pickup roller assembly movement



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9. Remove the pickup roller.


Figure 9: Pickup roller

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10. Insert the left side of the new pickup roller into the left slot (1), and insert the right side (with notches in the shaft) into the right slot (2).

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11. Rotate the shaft until the notches engage and the shaft clicks into place. 12.Place the end cap over the shaft on the left side, push the end cap to the right, and rotate the tab downward into position.



Figure 11: Pickup roller end cap


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13.Push the right tab to the left, and rotate the tab downward into position. 14.Place the printer on the work surface with the top of the printer facing up. 15.Close the front automatic two-sided path door.


Figure 12: Closed automatic two-sided path door
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16.Reinstall the print cartridge, and close the print cartridge door.

Figure 13: Print cartridge
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17.Plug the printer in to turn it back on.

Figure 14: Power cord in

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Cleaning the pickup roller

Perform the following to clean the pickup roller.

1.Remove the pickup roller as described in steps 1 through 9 of Replacing the pickup roller above.

2. Dab a lint-free cloth in water, and scrub the roller.

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Figure 15: Scrubbing the roller




3. Using a dry, lint-free cloth, wipe the pickup roller to remove loosened dirt. Figure 16: Wiping the pickup roller
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4. Allow the pickup roller to dry completely before you reinstall it in the printer (see steps 10 through 17 of Section with a task ).

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Figure 17: Reinstalling the pickup roller

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1 Answer

Projection TV keeps shutting off


Good Day, checho3435;

Try this to help to narrow it down:

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 Day, big IRISH. back.gif

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2 Answers

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1 Answer

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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. MAY BE INTERMITTENT, SELF-DIAGNOSIS ERROR 23 OR 24. CHECK SOLDER CONNECTIONS AT CONNECTOR "DY" ON THE YOKES. 2. SHUTDOWN AT POWER WITH SELF-DIAGNOSIS ERROR 23 OR 24. CHECK C411 2200 UFD 35 V AND C412 10 UFD 50 V, BOTH LOCATED ON THE MAIN PCB.

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1 Answer

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1 Answer

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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 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. Shutdown at power with self diagnosis error 2-2. Check for open fuses F9A04 and F9A05 part # 283P144080 on the +24 and -24 volt lines. If the fuses are open the convergence output circuit would be suspect. 2. Shutdown at power with self diagnosis error 2-1. At power on check for 12-volts DC at connector KH pin 8, if missing check IC9C51 part # 270P990010 and L9C52 part # 441D009020 on the Signal PCB

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1 Answer

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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. MAY BE INTERMITTENT, SELF-DIAGNOSIS ERROR 23 OR 24. CHECK SOLDER CONNECTIONS AT CONNECTOR "DY" ON THE YOKES. 2. SHUTDOWN AT POWER WITH SELF-DIAGNOSIS ERROR 23 OR 24. CHECK C411 2200 UFD 35 V AND C412 10 UFD 50 V, BOTH LOCATED ON THE MAIN PCB

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