Question about Mitsubishi WS-55807 TV

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Electronics skills Yeah, definitely been doing electronics a while. Mostly guitar amps though. I've never been a TV guy, but I did replace a convergence IC on my old Pioneer SD RPTV.

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Replace electrolytic capacitors in the power supply section. start with replacing (2) 860uf 180v caps just after the bridge rectifier and continue along the circuit. Some (15) or so capacitors later, it will clear the horizontal bars and lines and any high pitched noise that comes along with it.

Posted on Mar 21, 2008

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6ya6ya
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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

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Television will not stay on. Runs for 5 seconds then goes into standby mode.


Modern Flat Panel Televisions these days are really just computers inside. The Switch Mode power supply has the ability to sense faults & over current draw. So... there really isn't much the average person can do to fix an electronic problem.
The usual problem is overheating, bad connector problems & electrolytic capacitors leaking or popping. If you don't have the skills to open & look for problems then you will have to take it to a tv electronics guy.
Cheers

Feb 21, 2015 | Panasonic Televison & Video

1 Answer

I have a peavey 700 tour series amp. When i turn it on the protect clip light comes on and there is no output to my speakers. Could you please help?


Are you an Electronics Technician? preferably with a good understanding of class H amplifiers and surface mount soldering skills. If not take it to the shop.

Dec 10, 2013 | Peavey Tour 700 Bass Guitar Amplifier Head

1 Answer

Fix E03 error keeps beeping and wont stop


Hello Anthony Proud,

A little research has indicated that an "E03 error"
(as you know) is an "over-current condition".

It takes further reading to find that this is a
popular complaint about the Xantrex 1800.
(contact information at bottom).

It seems there are several CAPACITOR QUALITY issues
the 1800 seems to easily suffer that will provoke false
alarms.

You could read quite a bit more about the issue at the
"BADCAPS" site at the bottom of this posting. Historically CAPACITORS have been the weak spot in the durability of
electronics ... From sweet sounding TUBE-TYPE AUDIO EQUIPMENT not sounding so sweet (loud humming...
from line current)... to our MODERN FLAT PANEL
TELEVISIONS... (modern cheesy capacitors) ... popping power-boards like POPCORN (in MY OPINION... a shabby manufacturing CHOICE)... Notwithstanding XANTREX otherwise good name (I'd give them a SERIOUS chance)

Contact XANTREX in San Jose AT:
Toll-Free 1-800-670-0707
(6:30am-4:30pm PST, Mon-Fri) Outside US & Canada 1-408-987-6030 ##

BECAUSE of a couple of careers... I have been privileged to watch INDUSTRIAL grade ELECTRONICS (cell-phones, tablets & note books) advance to exquisite levels of robust reliability and continued miniaturization I never thought possible... yet at the same time watching the horrid quality standards acceptable in consumer grade (home electronics, heating & A/C, refrigeration, washers & dryers ... TV & Audio electronics
(marginal designs, quality & skills)...

Even though I had not professionally touched a soldering iron in 40 years... I THOUGHT it easier to BUY the vises, wicks, suckers, magnifiers and heat sync's than to spend ANOTHER THREE (3) MONTHS fighting with SEARS over their BRAND NEW ELITE (matched) washer ... searching for intelligent life forms... to
honor their WONDERFUL "WARANTY"... (I'm just saying).

I finally manage to go down-town (where the SEARS understandably "used-to-be"), cornered a beautiful & sympathetic lady... she ordered me a whole new nearly matched (year newer) KENMORE ELITE (my foot) washer.

(I pray she ALONE is doing well where ever they ALL landed).

Hey... what doesn't kill you makes you stronger!

Good luck with Xantrex.

Read about bad caps:
http://www.badcaps.net/forum/showthread.php?t=49872

XANTREX SERVICE & SUPPORT
Support

Sep 15, 2012 | Xantrex Technology xPower PowerSource 1800...

1 Answer

My guitar pedal led stopped working


Try replacing the LED like I did on my tuner Pedal. Here's a link to the tutorial video i made. https://www.youtube.com/watch?v=T9LP39WmHF0

Sep 11, 2012 | Music

2 Answers

Hi, My Aria AS-690B Sinsonido has started making a strange crackling / low grumbling noise when plugged in. It still plays well, but the noise gets very much in the way. It sounds electronic. Any ideas...


First thing is to check that batteries are good. Next, verify your guitar cable is a good one... some are microphonic and the cable can actually insert noise into the signal. The plugs on cables can sometimes be noisy as they move while playing. Try to keep the guitar from "hearing" the amp as it can create feedback. Verify the amp itself isn't the source of the noise. Try a different guitar. The input of the amp is grounded by a contact when cable is removed, If there is a problem right in the input stage it can be masked. Plug only the guitar cable into the amp... Is ti quiet? If so make sure to try the first few suggestions. ALso be aware of other noise producers like fluorescent lights an dimmers... these generate electrical noise that sensitive guitars can pick up.

Apr 14, 2011 | Aria Sinsonido AS-100C

3 Answers

Not getting enough distortion(esp ltd ax-260)


Hi,

It's not your pickups. It would be nearly impossible to loosen a wire inside of your guitar by having even heavier than your amp head drop on it. It is most likely your volume pot. The post, if hit hard enough, can virtually distroy your pots. Another possibility could be your jack, al though considering where it's located on your guitar, it would be very hard to damage it by having something drop onto it.

There is little else that could be the problem. Hopefully you didn't damage your guitar too badly. If the guitar was in front of me, it would be a relatively easy diagnosis.

Fortunately, volume and tone pots are inexpensive, and if you're handy with a soldering iron (or you have a friend that is) it is an easy install with four to six solder points, depending on your configuration. I don't want to assume it's a stock setup, but when you take off the rear electronics cover, you will immediately see what configuration you have.

If you have possibly damaged the pickup bobbins (assuming you have the stock humbuckers in your guitar), you would be able to see the damage, It would either look damaged,or work correctly. As you know bobbuns are simply wound wire, and that's not easy to damage. Plus your strings provide a minimal amount of protection, unless your amp head slammed it very hard. Start by replacing the volume pot. Cheapest parts first. There is no way to test the pot with anything like a potentiometer, because there is virtually no voltage that passes through the pot. Additionally, unless you have active pickups, your pickups cannot be either. If you do have to replace your electronics, you can find a large variety and even upgrade your parts by searching eBay. The good thing is that you havce a guitar, and guitar parts are abundant, relatively cheap, and most people change out electronics just to achieve a different sound.

If you are so inclined, most good guitar shops will diagnose your problem for cheap and apply the cost of the diagnosis to the cost of the repair. Good luck, and I hope I have given you some information to work with.

Thank you for using FixYa

Jun 19, 2009 | ESP Ltd EX-50 Electric Guitar

1 Answer

Guitar Amp Troubles.


Either the speaker is blown or the audio power amp section blew.
Paul

Jun 12, 2009 | Audio Players & Recorders

3 Answers

My son's guitar amp Epiphone guitar amplifier model ep-800, does not work after someone plugged a bass guitar on high settings. He tried it the next day, only to find out it didn't work. Could the bass...


it could have blown the speaker, a regular guitar amp is not meant to handle a bass, you should be able to look into the back of the amp and see if any of the speaker is damaged, or there may be a blown fuse inside the amp, if you check for this please MAKE SURE TO UNPLUG THE AMP FROM THE POWER SOURCE FIRST, and if needed replace the fuse with the exact same type

Mar 21, 2009 | Music

1 Answer

My PT-53TW53 Panasonic


Be aware:-
There is electric shock risk involve in TV repair.
You should have strong electronics repair knowledge / experience and good soldering skills. Repair your TV at your own risk.

Mostly 3 blinks in this model shows convergence out ICs failure and you need to replace STK 392-110

Its big black IC and TV has 2 mounted on silver heat sink at main board.

HERE is a pictorial web link and you will see how you can replace these ICs.

STK392-110 are available in Part Store.

Good luck.

Jan 15, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

3 Answers

Guitar Problem I Think.


First check your guitar to amp cord.
The pickup, audio jack, or pickup selection switch may be defective.

Nov 04, 2008 | Washburn Amplifiers: 25 WATT Guitar...

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