Question about Sony KP-57WS520 57" Rear Projection HDTV-Ready Television

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STUCK IN STANDBY MODE. when trying to turn power on. checked fuse on cicuit board. used vacum to clean dust from interior.

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You may want to check the lamp to see if its burned out.

Posted on Jan 03, 2011

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1 Answer

Bush tv won't turn on after power cut. Stuck in standby, how do I turn it on?


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://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Main power supply regulator board fault.

Sep 06, 2014 | Televison & Video

1 Answer

Hitachi 32LD30UB stuck on standby mode


The problem seems to be with the power supply. There might be bad or burnt components capacitors or rectifiers or fuse. Most of the times there are swollen caps which need replacement. Bad components are a result of heat or cold solders etc. If you remove the main board and boards defend from the power board and the power stays ON, then either the inverter or the main board. Before this you can try to open the back and clean the dust.


hope this help :)

Oct 27, 2012 | Televison & Video

1 Answer

Sony Bravia KDL-40V5100 stuck in stand-by 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 is opened at least look for puffed up and bad caps like in thisphoto.6_8_2012_3_55_52_pm.jpg6_8_2012_3_56_10_pm.jpg

Jun 08, 2012 | Sony Bravia KDL-40V5100 40 in. LCD HDTV

1 Answer

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

2 Answers

Soniq tv manuals


I have fixed 2 soniq tvs that were stuck in standby ie would not turn on via the power switch or remote.
One of them would turn on briefly and then turn off again while the other just refused to even try to turn on.
I thought it was a problem with either the power board or the main board but it was not.
The control board was detecting a problem and was shutting down power board.

The fault with both of them was that the LVDS cable that connects the main board to the T-Con board had poor contacts with the sockets it is plugged into.
Solution was to CAREFULLY unplug the cable at both sockets..don't pull it by the cable or you may disconnect a wire within the cable... and give the pins on the sockets a little spray of electrical contact cleaner then refit the cable securely...make sure it is pushed fully into the sockets.

Apr 30, 2012 | Televison & Video

1 Answer

I don't have the remote control for my magnavox 27ms343s and it is stuck in standby?


Standby means it is not coming on--not a remote issue.

Some general info:

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.
4_30_2012_5_25_40_pm.jpg

Apr 30, 2012 | Televison & Video

1 Answer

Hi there my pioneer PDP-5060HD is going into standby mode all by itself... I've tried unplugging both the media centre and display and it's still happening. The tv is powering up but then 2 seconds...


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 tobuy and 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.4_6_2012_6_41_35_pm.jpg

Look at power supply board inside the set for caps like these with the tops puffed up.

Apr 06, 2012 | Pioneer Televison & Video

1 Answer

TV won't turn on or off. Stuck in stand by mode


its a power problem on the electronics board need an tec to open the tv and slve the problem

Aug 17, 2009 | Gateway LCD26TV 26 in. Television

1 Answer

Standby light on pioneer vsx-d308 receiver


I have the same problem. my sandby light is on but my receiver will not turn on! I checked my power going into the power supply board that was good. But i do not have power going to the transformer or the receptacle. And both of my fuses r good. check ur fuses and go from there . If u know how to get a power supply. please let me know.

Jun 14, 2008 | Pioneer VSX-D308 Receiver

6 Answers

Toshiba TV, no power, red light flashing


Unplug the TV for 2 minutes and plug it back on.
It should work.

Feb 09, 2008 | Televison & Video

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