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Permanent blue light on my sanyo ce32ld90-b lcd tv no picture nothing at all

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 125 Answers

SOURCE: picture goes off with blue light still on.

It could be some hardware failure. But lets be optimistic. Try to reset your TV-set to the manufacturers default state. Not sure about the exact procedure but it must be fownd in the "menue", somewhere under "Settings" or "Channel search"!

Good Luck
/SciPhinx

Posted on Jul 11, 2009

  • 8457 Answers

SOURCE: Sanyo lcd tv blinking

Power supply board is dead.Replaced the power supply board will solved this problems.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Apr 02, 2010

  • 11800 Answers

SOURCE: Sanyo CE32LD47-B LCD TV.

No, the PS has nothing to do with that - the standby light blinks to signal an internal component failure and a bad source connection can't cause that. Since the light is steady at start it means that the power source starts normally but the process doesn't end correctly: the defect is located in either the mainboard (the processor has failed) or the inverter for the backlighting tubes has failed.
To identify which you will need to open the tv and test the voltages on the power source board starting with the output line for the inverter; after that the voltages for the mainboard - you will need at least a good multimeter and experience in electronics repair. If you don't have both then unplug the tv from the mains and call a repairman.

Posted on May 03, 2011

blueextc3221
  • 15935 Answers

SOURCE: sanyo lcd tv 20"has sound but no picture

0ne of 3 has failed:
(in order of probability):

1. Backlight inverter
2. Power Supply
3. Backlight

Please seek the expertise of an experienced TV repair technician - as they contain potentially lethal voltages that must be properly discharged before work can begin.

Thanks! ! ! !

Posted on May 27, 2011

caroldon
  • 17129 Answers

SOURCE: Sanyo 46" lcd had half

There is a high possibility that the components over a period of heating and cooling, tend to bring on a problem of dry soldering. So my advice is to check the set for some loose joints that have played on to give you these erratic shut downs or poor performance.

The best way to check for loose connections is to tap lightly when the set is powered on , If there is change while tapping then it seems that there are DRY solder joints. Remove main plug, the covers - with caution of high voltage, check for dry joints, use a good soldering iron to solder all suspected points.

Since this fault occurs when the set warms up, if so you can simulate the heat using a hair dryer on the suspected areas, try with the power supply, distribution, Processor controller, driver controllers on the A/V related sections. Also the use a FREEZE-IT spray can simulate the components to cool and show up the fault.

Based on the above method you must be able to locate the area of fault and solder the sections. Sometimes large IC's- ones with more pins- tend to have drying in some pins and so cause faults related to the IC's protocol. Have a rough idea of looking into the areas to reduce the time of probing.

Posted on Jul 27, 2011

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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Sounds like either the CCFL for your LCD TV has blown (It's basically a miniature florescent tube) or the inverter that drives it has given up.

Have a look on Ebay for replacement parts and to see if you feel confident enough to tackle the job yourself.

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hi" do you try to adjust color settings.theres a red,blue,green color adjustment under picture setting.
try to set red color to full.
of you already do that.
probably your display driver board has a causes the problem.
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  1. Try changing the input on the TV to see if the Blue screen goes away. Can you access the TV menu on the screen? If so, try running a channel scan until it is complete. Then check if the blue screen is still there.
  2. Disconnect any RCA cables, or other input cables from the back and see if you still have a blue screen.
Here is the link to Sanyo's Support site: http://us.sanyo.com/Customer-Support
E-mail: support@sanyotv.com
Phone: (800) 877-5032
Fax: (870) 630-4223

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Connect your outdoor antenna directly to your antenna in, in your TV see if it works and do the same with your cable input if it works then the A/B box is at fault.

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If the Tv turns on (power supply is ok), screen lights up (inverters are ok) but don't get a blue screen, menu options, source options, or audio, it's most likely the main board (aka Motherboard) is faulty. If a DVD player is hooked upto the TV, check whether you can get audio from that (change the source using remote), in such a case it could be a problem with LCD Interface board. My $3 is on faulty Main board.

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