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Panasonic SU-HTB20 shuts off sound randomly. Would like to disable the auto standby feature since it does not function properly

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  • Panasonic Master
  • 76,060 Answers

Sounds like 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.
Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
{View the site in "Web View" or by a desktop to see the search box. Mobile view has no search box.}

Posted on Mar 24, 2019

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6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Powerman
  • 68 Answers

SOURCE: i need to disable my ovens auto shut off

The control is automatically set to turn off the oven after 12 hours baking or 3 hours broiling should you forget and leave the oven on. If you want to remvoe this feature do the following steps: 1. Press and hold, at the same time, the BAKE and BROIL buttons for 3 seconds, until the display shows "SF". 2. Press the DELAY START TIME button. The display shows "12Shdn" for 12 hour shut off. Press the DELAY START TIME button again. The display will show "no Shdn" for no shut off. 3. Press the START button.

Posted on May 21, 2007

  • 1 Answer

SOURCE: Can I disable the auto shut-off feature on the JVC Everio?

doesn't seem to be a function to disable sleep mode.

Posted on Oct 05, 2008

heatman101
  • 43501 Answers

SOURCE: Iron Shuts off Automatically when using iron.

Hi,
The cord is broken...

Here is a tip that will help you to troubleshoot your iron and figure out what is wrong with it.

Electric Iron not Heating Up or not Working Right
http://www.fixya.com/support/r5300202-electric_iron_not_heating_up_or_not

heatman101

Posted on Jul 14, 2010

kel1guy2002
  • 3740 Answers

SOURCE: Machine runs until manually shutting down, or

Hi and welcome to FixYa, I am Kelly.

I note that your question was 3 months ago. I answered a current post today that had your exact same symptoms. Your post was revealed after I answered the current post. Had I seen your post 90 days ago I would have responded with the same answer as follows:

There is a low oil level sensor on the opposite side of the engine as the oil fill / dipstick. The next time that your presure washer acts up disconnect ONE wire to the oil level sensor. On pressure washers mose engines have the oil level sensor removed for just this reason. You tip the engine to move the power washer and you can not start it or.. if you move it with the unit running the oil level sensor kills the ignition. Just make sure that anytime you are going to use it that you ensure the oil level is properly serviced. (Each use)

There is yet another possibility. Debris in the bottom of the fuel bowl will draft directly into the lower fuel jet (Located inthe bowl nut area) with a tip of the unit and clog the fuel nozzle. You can prove you have a fuel problem simply by adding gas to the carb throat with the air filter removed. If you get a brief start... you have a fuel not a spark problem. Turn off the fuel selector... remove the fuel float bowl nut and drop the float bowl. Use carb cleaner in the threaded area to clean out the orifice in the body of the carb and then remove the debris from the float bowl. CLEAN the bowl nut also.

Use a spray can lid for the next step under the float bowl area.
BRIEFLY
Open the fuel selector and gently lift the float to level. Fuel must shut off when near level and re-start fuel flow as you lower the float. The spray paint can lid should fill up in 8 seconds or less. If you have poor fuel flow start looking at the bottom of the gas tank or an inline fuel filter as the problem. Some fuel selectors have tiny bowls under the fuel selector lever. Make sure to clean this out also if you have one.

Turn off the fuel selector. Reinstall the float bowl making sure the rubber bowl gasket is fitted properly. Fuel selector ON... leak test. Then test start the unit and see if your symptom is gone.
One more possibility. Your engine has and E-Z start valve that is supposed to be a compression relief. If this is sitcking / partially open ect.. it can make it hard to start your engine.

I really think you have a low oil level sensor issue that is grounding out the spark because it cycles to ground when you move the unit and is not... sensing the oil level properly after you move the unit. I clean oil level sensors with carb cleaner. You can wake up about 75% of them just by cleaning them off internally through the 2 side holes cleaning up to the contact area on the top of the sensor.
Thanks for choosing FixYa,
Kelly






Posted on Apr 22, 2011

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