Question about Standard (CRT) Televisions
I just bought a simple 13" TruTech TV yesterday. I have cable tv through Suddenlink. I plugged in the cable and the power and went through the initial set-up "autoscan CATV" yesterday, and everything worked. When I turned it on this morning, I had to run through the autoscan again, but then it worked. So, I moved it to its permanent location, and of course had to unplug/replug. Now I can only get the upper channels, and the quality of the reception disintergrates as it gets to the lower channels, e.g. ch.19 is very poor quality and ch.3 is completely white screen and noisy. I have unplugged the connections several times and run the autoscan multiple times. Any idea what's going on? Thank you for any help you can provide.
This could cause a problem, because modern TVs and most other entertainment electronic goods, have a small kind of computer chip, but there should be a Reset button probably inside the set! If you feel confident about computer chips you may be able to find the button by tracing the circuit.(Disconnected from the mains). Another idea is if there is a small button cell or battery inside, then try disconnecting it for a day. Good Luck!
Posted on Dec 02, 2006
SOURCE: Tv problem
Did you check your Signal input source? The Cable Box ot the antenna or the antenna cable? Check the Cables from your DVD player or your VCR aklso. These are the Input Sources, and if your TV is not detecting them, them for some reason there is no signal being fed into the Tv.
Posted on May 12, 2007
First check and see if you are on Cable or Ant. It sounds like you are on ant. Change it to cable. If you are on cable then it's you tuner, you need to replace it.
Posted on Sep 14, 2007
SOURCE: Tv problem
Mine (2005 vintage) is doing the same thing. Wiggling the connector at the rear of the set cures the issue. however, it must be a loose connection inside. How about soldering the connector?
Any other ideas on how best to handle the soldering of the connector inside the set?
Posted on Oct 13, 2007
I have spent about 4 hours tonight researching several tech sites and the Sony service manual for the same problem with my Sony KV-32HS510 unit. I was able to download the manual from a website http://www.eserviceinfo.com/downloadsm/31649/Sony_KV-32HS510.html and a TV Repair training lecture paper at http://www.repairfaq.org/sam/tvfaq.htm#tvhvp .
These TV sets have a safety feature where it will shut back down if a high voltage is indicated. Unfortunately, the electronics for these safety features are not very reliable and give false indication. Letting the unit sit off lets the capacitors leak voltage as well as cool off. These two factor help with the unit not falsely indicating a high voltage condition.
The D Board seems to be the most common failure component, but a 6 times flash could be an overcurrent/voltage failure from the A, B, or M boards. A 7 times flash is a Horizontal Deflection Stopped error with no additional information given in the manual for a fix. Again, in most blogs, the D Board seemed to the source of the failures.
A refurbished D Board part no. A1300319A can be bought for around $200 with a new board at $550 per the www.partstore.com site. Then add $100-$200 for an actual TV service technician and you have a repair bill approaching the costs for a new flatscreen TV.
Some tech types posted that they have actually repaired their boards by replacing individual components for around $40. You may find a service shop that can do the same component level repair at the $100-$150 level cost. It turns out that the closest authorized Sony repair shop is 2-1/2 hours away from us. Good luck finding someone close by.
We were able to get our TV to come back on after dozens of attempts and plan to leave it on until it dies all together. I may attempt my own D Board replacement when the time comes.
Posted on Jan 07, 2009
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