Question about Denon AVR-2802

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No power The standby light stays on, but the main power will not stay on.

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Unit is in protect mode. Most likely cause of protect activating is blown channel (shorted output transistors). I work for a Authorized Denon repair center in Michigan if Shipping to Michigan is economical let me Know kstahl65@att.net

Posted on Feb 15, 2008

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I have a 52in ilo flat screen television that just stopped turning on. It stays in standby mode. It use to come on and periotically would stay in standby mode. It is now stuck in standby mode.


Check and replace its main board. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Feb 17, 2014 | iLO 3200 32 in. LCD Television

1 Answer

How to determine if power board on emerson tv model lc320em1 is shot


The power supply regulator board to your TV is now working fine, and has no problems at all, as, there is standby light. Check all the other voltages comes out from the power board, to main board. If all of it found OK, the fault should be at its main board.
About blinking of standby/power light;
These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

Jan 19, 2014 | Emerson Lc320em1 TV

1 Answer

Standby light stays on, vblue light will not come on why ?


Check its main digital processor board. Contact any service technician.google.com/+GopakumarGopalan

Nov 24, 2013 | Proscan 42LA45H 42 in. LCD TV

2 Answers

NEC lt240 lamp light stays off and power light is orange, no Image


COULD HAVE HOUR COUNT LAMP LOCKUP YOU WILL NEED TO RESET HOUR COUNTER BY USING BUTTON CONFIG AND MAINS.

john

www.jvsvisual.com

Apr 15, 2013 | NEC LT 240 Multimedia Projector

2 Answers

Wont stay on


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 is opened at least look for puffed up and bad caps like in thisphoto.6_11_2012_4_15_48_pm.jpg6_11_2012_4_16_04_pm.jpg

Jun 11, 2012 | ViewSonic Televison & Video

1 Answer

My Denon AVR-75 seems to stay in standby (red standby light is on) and I don'd get surround sound through it. How do I get it out of standby?


if the receiver does not power on from standby there is a problem like bad power supply or even bad macroprocessor. You need to bring it to a service center for diagnosing. 10-years old receiver, maybe better to buy new one.

Nov 23, 2011 | Denon AVR-75

2 Answers

Is the red light suppose to stay on when you turn off the tv with the remote?


Yes it is supposed to stay on. This is the standby light. The television still draws power as do many electronic devices when not turned on and when in standby. If you do not want the red light to stay on you will have to unplug the television.

May 09, 2011 | Samsung LN32A330 32 in. LCD TV

1 Answer

TV DOES NOT TURN ON STANDBY RED LIGHT STAYS ON


Hi Friend,
Check your TV's remote battries. If they are good, then, power off the TV at the main wall socket and unplug the power cord, leave it for 5 minutes. Now, connect back the main power cord, hold the Power On/Standby button on your TV and power then turn ON main switch on the wall. This should resolve your issue.

Thanks,
Shiva

Dec 19, 2010 | Sony Bravia KDL-40V4100 40 in. LCD HDTV

1 Answer

My Sceptre LCD TV Power turns on briefly (blue


Power supply is the place to look, look for bulging on top of the capacitors in the secondary side of the main power supply.

Aug 29, 2009 | Sceptre X37sv-Naga 37 in. LCD Television

1 Answer

Power comes on for only about 4.5 seconds, then shuts off.


1-speakers terminals are short circuit----turn it off and correct speakers terminals.
2-blocking of ventilation holes of the set -------turn it off and let it cool down and make a good ventilation around ventilation holes.
3-the unit is operated at continuous high power condition------turn it off and let it to cool down and then turn it on.

Dec 11, 2007 | Denon AVR-2802

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