Consumer Electronics

Electronics Repair Questions? Ask an Electronics Technician

Ask an Expert,
Get an Answer ASAP!

Consumer Electronics

I have a 46 inch Samsung hp-t4254 model. turns on. makes a

Customer Question
Nintendo sounding noise and wont...
I have a 46 inch Samsung hp-t4254 model. turns on. makes a Nintendo sounding noise and wont turn on screen
Submitted: 2 years ago.Category: Consumer Electronics
Show More
Show Less
Ask Your Own Consumer Electronics Question
Answered in 4 hours by:
7/20/2015
Electronics Technician: Pete, Electronic Engineer replied 2 years ago
Pete
Pete, Electronic Engineer
Category: Consumer Electronics
Satisfied Customers: 18,987
Experience: Over 16 years of experience installing and repairing electronics.
Verified
Hi there,First place to check is the power supply board - if you have a voltmeter available, test the voltage outputs and confirm back if they are correct, or if you discover any discrepancies.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
what voltages and where?? I am not a tv technician but I do have a fluke 88. I am not home atm but If you could direct me on where to go I can test the parts. thanks
Electronics Technician: Pete, Electronic Engineer replied 2 years ago
Ok, you are gonna need some training in working near high voltages if you plan to attempt this yourself - the safest option would be to have a TV repair tech look at it for you.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
OK. So can I speak with someone else
Customer reply replied 2 years ago
No phone call. I want a different tech
Customer reply replied 2 years ago
I repeat no phone call. I'm not paying for this. I want a different tech. I'm not paying for someone to tell me to go to a TV repair shop!!!
Customer reply replied 2 years ago
Hello??????
Customer reply replied 2 years ago
Is there an admin available????
Electronics Technician: Pete, Electronic Engineer replied 2 years ago
Hi, you have requested another tech, so your question has been returned to the question pool.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
Good. Hopefully I get someone who trys to help
Customer reply replied 2 years ago
You suck pete. you charged me $18 for nothing. You are most certainly NOT an expert!!
Electronics Technician: Freddy M., Customer Service replied 2 years ago
Freddy M.
Freddy M., Customer Service
Category: Consumer Electronics
Satisfied Customers: 18,398
Experience: Years of experience in IT and customer support
Verified
Hello my name is***** look forward to assisting and am very sorry to hear that you are having this problem. I want to warn you that it is possible you will need to replace a part in order to fix this. There are a few different things that can cause this and a couple different parts so we would need to troubleshoot to find out for sure. Does the LED flash in a pattern at all?
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
I apologize for the delay. What happens is I plug it in... the blue led on front flashes 4 times. on the second flash it makes the digital noise. Ive replaced 4 capacitors on the main power board and I replaced the a/v connections board itself. thanks
Electronics Technician: Freddy M., Customer Service replied 2 years ago
.
4 flashes is usually a communication error between the main board and something else. Can you check all the ribbon cables for me? Reseat them if possible.
.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
I have done this twice actually. I'm an auto tech so I've gone through the cable ribbon connections and checked fuses. All good
Electronics Technician: Freddy M., Customer Service replied 2 years ago
.
The sound you are mentioning would normally come an inverter or something like a Y-sus board. Did you check the caps there? You can use a multimeter to test them.
.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
I will look again when I get home but to the best of my memory the only bad caps I found were on the main power board. Originally the TV would turn off after 1-3 mins. I replacedthe power board and it fried the av board. So I repaired the old power board with new capacitors(same type and rating) now I have this problem with turn on but no pictures
Electronics Technician: Freddy M., Customer Service replied 2 years ago
.
They do not always look blown when they go bad. That is why I mentioned checking them all with a multimeter.
.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
I will check again this evening with my fluke meter
Electronics Technician: Freddy M., Customer Service replied 2 years ago
.
Ok.
.
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
All check OK
Customer reply replied 2 years ago
wtf??
Customer reply replied 2 years ago
this shit is a joke
Customer reply replied 2 years ago
I would like a new tech. freddy and pete not so expert
Electronics Technician: Russell H., Service Tech replied 2 years ago
Russell H.
Russell H., Service Tech
Category: Consumer Electronics
Satisfied Customers: 11,720
Experience: 8+ years of professional experience
Verified
Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
I may be no more of an expert than they are, but one at least of the two you have had some advice from, is one of the best there is.
I think that you will need a service manual. They have voltage testing points, usually, they also have troubleshooting tables, possibly listings of flash codes hopefully, and disassembly diagrams, etc.
For this model, I find, upon searching... that there are service manuals available:
http://www.servicemanuals.net/ServiceManual/SAMSUNG/HPT4254X/495999/detail.aspx
or
http://www.servicemanuals.net/ServiceManual/SAMSUNG/HPT4254X/1458913/detail.aspx
and those are from a very reliable source, one that I have recommended repeatedly over the year to customers and never heard one word back of disfavor.
As for what specifics I know... the 4-flash code, roughly means, well... nothing very specific or useful, from what little information I can gather from all sources. I am sorry, but Samsung does not publish information on the flash code's meanings.
I've spent 20+ minutes searching for information on this problem. A service manual will be a good investment, since there is no public information specific to this model. Vague hints say that, for other model lines altogether, a four-flash code may be... this or that, really. And I honestly have no experience with a four-flashes code condition or its repair.
If there is further information I can get for you, just let me know. (The response may not be swift, for I do have other cases to work on, and am occasionally offline, and require time to research a good answer, etc. I hope that is understandable.)
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
why yes you are more of an expert!! found a Samsung service manual( for free) and its troubleshooting guide helped me identify a faulty smps. I believe the part # ***** ***** Do you know of where I could get a good deal on one? thanks
Electronics Technician: Russell H., Service Tech replied 2 years ago
Thanks for the praise, glad you've had some indications toward a solution.
Though some instances of that part sell for as much as $243.... the least expensive appear to be these:
http://www.tristatemodule.com/p-7617-bn44-00161a-samsung-tv-module-power-supply-pspf411701a-hpt4234xxaa-hpt4254xxaa-hpt4264xxaa.aspx
or
http://www.cradeal.com/index.php?main_page=product_info&products_id=704
or
http://www.shopjimmy.com/samsung-bn44-00161a-power-supply.htm
though this last one is out-of-stock and the most expensive price of the three anyway. This site also mentions 'repair kits' for that power supply module, which contain some components that, presumably, are very commonly the ones that fail. The kits are cheapest of all... but may be only worth their price. It's up to you, I think, as to which to buy.
(If this completes the case, let me know how you would rate my work on your question - or just rate my Answer. Thanks.)
Ask Your Own Consumer Electronics Question
Customer reply replied 2 years ago
Right on . Thanks!!
Electronics Technician: Russell H., Service Tech replied 2 years ago
OK. I take it that my advice was good, or useful. I hope to hear back that the result was good, by and by.
Ask Your Own Consumer Electronics Question
Ask Russell H. Your Own Question
Russell H.
Russell H.
Russell H., Service Tech
Category: Consumer Electronics
Satisfied Customers: 11,720
11,720 Satisfied Customers
Experience: 8+ years of professional experience

Russell H. is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I'm screaming your praises!! WOW! I plugged my TV in and bammo! The picture came on bright and beautiful. What a relief! YOU saved me some money and headache.

VMUnited States

I love this site! $9 instead of a repairman or new/used frig can't be beaten. This older woman will worry less now that she knows about this site. Bless you all.

WindyUSA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

< Previous | Next >

Meet the Experts:

John

John

Engineer and electronic enthusiast for more than 12 years.

227 satisfied customers

I am here to help you!

Steve G.

Steve G.

Engineer

2,358 satisfied customers

VP of electronic repair company. Audio nut since 1974. Home Theater advisor. Vinyl holdout!

Louie

Louie

Technician

4,540 satisfied customers

25+ yrs. experience in the field and 5+ yrs. online, down to component level.

Russell H.

Russell H.

Service Tech

11,720 satisfied customers

8+ years of professional experience

Rod

Rod

Systems Engineer

1,319 satisfied customers

FCC Commercial Licenses, BSCS, ASEET, 40+years Electronics & Communication Systems

Greg A.

Greg A.

Engineer

1,281 satisfied customers

Engineer / Consultant

Martin

Martin

Engineer

1,244 satisfied customers

16 years, include works in aluminium plant, industrial machinery, military weapons, programming

< Previous | Next >

Related Consumer Electronics Questions
I have a Panasonic KX-TGF380 phone system and the time is
I have a Panasonic KX-TGF380 phone system and the time is off by exactly 1 hour. I am the eastern time zone, so how can i change the time by 1 hour? … read more
Greg A.
Greg A.
Engineer
Bachelor's Degree
1,281 satisfied customers
DUringthe recent compromise of some systems our safari was
DUringthe recent compromise of some systems our safari was down & i noticed webroot;s icon on upper right screen was gone. When safari came backlit was still missing, & in trying to figure it out, I e… read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
My Panasonic camera built in memory is full how can correct
My Panasonic camera built in memory is full how can correct this,nothing is showing up on my cards … read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
I have Corona Series "H" electronic typewriter which
I have Smith Corona Series "H" electronic typewriter which suddenly will not turn on, even using different outlets. It is just dead. Any suggestions? Is there a fuse or circuit breaker? … read more
Harry
Harry
514 satisfied customers
My new computer was just installed but there is no sound. My
my new computer was just installed but there is no sound … read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
On 11/8/2011 Nathan was asked if he could provide the
Hello. On 11/8/2011 Nathan was asked if he could provide the "reset" instructions for a Sherwood Newcastle R-722 (https://www.justanswer.com/electronics/5syc6-sherwood-newcastle-r-772-receiver-reset.h… read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
All of a sudden, my D700 won't format the memory card, and
All of a sudden, my D700 won't format the memory card, and won't begin the update process. In both cases, I get to the final "Yes", and the camera ignores the press of the "OK" button. What's going on… read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
I have an anders Nicholson model 2655MO cassette cd recorder
I have an anders Nicholson model 2655MO cassette cd recorder and need a user or owners manual which seems to be non-existant … read more
Pete
Pete
Electronic Engineer
18,987 satisfied customers
Just a simple question. I want roku in my bedroom and have
Just a simple question. I want roku in my bedroom and have on one ROKU box in the living room. Do I need another ROKU device. If yes, do I need anything else to get this up and running??? … read more
Richard
Richard
IT Manager
IT Manager, Consultant
3,278 satisfied customers
I was installing upgrades in my ft-991 radio turned of and
I was installing upgrades in my ft-991 radio turned of and now it won't power on. … read more
Louie
Louie
Technician
Associate Degree
4,540 satisfied customers
When my Palm Pilot was low and I wanted to charge it,
When my Palm Pilot was low and I wanted to charge it, wouldn … read more
Harry
Harry
514 satisfied customers
I had a Canon Powershot s230, back in the day, to be precise
Hi. I had a Canon Powershot s230, back in the day, to be precise August 20, 2009. I had some photos on it, that I downloaded to my laptop, then reuploaded to the camera, before the camera was confisca… read more
Russell H.
Russell H.
Service Tech
11,720 satisfied customers
I just purchased a tv and want to get (wireless) head phones
i just purchased a tv and want to get (wireless) head phones so i can listen with the sound off, for the rest of the family. what do i need to purchase … read more
Electrotech2017
Electrotech2017
Audio and Video Technician
Vocational, Technical or Trade School
102 satisfied customers
My wifi passcode has an = sign. How do i enter the password
my wifi passcode has an = sign. How do i enter the password ***** the = sign is not shown? … read more
Josh
Josh
It Support Specialist
Associate Degree
5,140 satisfied customers
I have a panosonic wireless phone land line model KX-TGL430
Hi I have a panosonic wireless phone land line model KX-TGL430 and when someone calls I cannot hear them and they cannot hear me but if I can't get back on my phone calling them in here which is OK bu… read more
Richard
Richard
IT Manager
IT Manager, Consultant
3,278 satisfied customers
I need someone to connect CBC ALL ACCESS to my firestick
I need someone to connect CBC ALL ACCESS to my firestick that I have already installed but can not seem to connect cbs … read more
Richard
Richard
IT Manager
IT Manager, Consultant
3,278 satisfied customers
When I turn on my Bose wave radio the only sound is a very
When I turn on my Bose wave radio the only sound is a very loud buzz. Even when I use other outlets, it still buzzes. Can this be repaired? … read more
Harry
Harry
514 satisfied customers
I recently bought a Panasonic phone. Model #: KX-TGD590C.
Hi, I recently bought a Panasonic phone. Model #: KX-TGD590C. The answering sytem takes messages when I'm not home, but if I'm on the line and someone phones, it does not accept incoming messages. How… read more
AnswersByEric
AnswersByEric
Software Developer
Associate Degree
37 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x