Question about Sanyo CE22LD94DV-B 22 in. LCD TV/DVD Combo

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Lcd tv stuck on standby works when you apply heat not sure what caps to replace.

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  • ryethfc Mar 11, 2010

    all components look good.

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Check the caps on the power board, if there any signs of liquid coming out of the caps or if they are not flat at the top and domed or pretruding they will need to be changed. The power board will be the board that has the mains lead plug on it, check it thoroughly and you will see the ones you need to replace. any problems post back.thanks.

Posted on Feb 17, 2010

Testimonial: "good info thanks"

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Grundig lcd tv standby stuck


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My sansui hdlcd1909 19 in. lcd tv won't turn on. the standby red light blinks once, what can i do to turn it on?


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My rca lcd tv is stuck on standby mode


I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set isopened at least look for puffed up and bad caps like in this photo6_7_2012_2_46_39_pm.jpg6_7_2012_2_46_58_pm.jpg

Jun 06, 2012 | RCA L42WD22 42 in. LCD Television

1 Answer

Lg tv does not record from standby


It stuck in standby and will not power up? I would inspect the power supply module first. Please read my guide to get more understanding:
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Jun 10, 2011 | LG 42LC2D 42 in. LCD HDTV

1 Answer

My lcd tv is about 2 years old my tv wont switch on, standby light wont come on. i looked around and it says heat back of the tv with a hair dryer! this works for bout 2 hours than the tv will go of again....


Look for bad caps with domed top, you may have bad caps with high ESR when it is cold, when it is heated up the ESR will go down so the power supply will start working again, I use hair dryer and heat source and cold spray to troubleshoot the problem all the time. Right now he standby 5vdc power supply is dying.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Apr 14, 2011 | Televison & Video

1 Answer

Standby light blinks, have sound but no picture. Where is the vertical amplifer located??


Is this LCD flat panel TV or CRT TV? LCD TV does not use vertical amp or vertical yoke like CRT TV.
If it is LCD TV, then read below:
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

Feb 02, 2011 | Televison & Video

2 Answers

Hitachi 42LDF30U LCD TV stuck in standby mode


Hi there mine has started doing the same thing today, on other hitachi models it is a serious fault warning, i will come back when i find out more.

Jul 07, 2010 | Hitachi Televison & Video

1 Answer

Stuck in standby


There is a "reliability kit" sold for these which consists of 8 electrolytic capacitors for the power supply that may cure the problem. Other times more extensive damage to the switch mode power supply needs additional parts You can try replacing the 4 470Uf/ 35v and the 4 470Uf/ 25v caps.
Monitor Mike

Apr 16, 2009 | Televison & Video

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