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Coby rc 057

Getting a black and white screen suddenly while using coax connection.

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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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pgh_pa_guy
  • 2992 Answers

SOURCE: The tv has a black screen with a white horizontal

The trouble is not in your tuner, it's in the set's vertical output circuit. A very common source of trouble is bad solder connections to the vertical output integrated circuit. When you wiggled the antenna connection before, it flexed the circuit board enough to get the connections working, but now it's not. A few minutes with a soldering iron very likely would get the picture back, although it's possible the IC itself has gone bad.

I believe that on the chassis in this set, the vertical output IC is an LA7832, mounted on a heatsink near the rear of the circuit board. I think it's marked IC421 on the board. If you or someone you know is comfortable with electronic soldering, you can try resoldering the connections.

Posted on Jan 31, 2011

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ercupa190
  • 12223 Answers

SOURCE: my coby rc 057 television keeps turning off and on by itself

test the main switch for faulty, and replace it .
God bless you

Posted on Oct 12, 2012

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http://electronicshelponline.blogspot.com/
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http://electrohelponline.blogspot.com/
Search the site by type in the brand name to your device, in the "Search box at the top right of the display window" to see the set-up codes to your device, with different brand remote controls.

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If you're sure everything is connected correctly check your tv input, there is a special input channel for each cable. FOR TV1: RCA: input 1,input2,video 1,video2, if you're using a coax cable: channel 3 or 4. If the problem is on TV 2 you're using a coax cable and it has to be on channel 60 or 73. For a wiring diagram you can visit the official dish website (it's on your bill) & visit the technical support page. This link is for tv1, you will also find the steps for tv2
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Do you have all connections hand tight? Are you getting an error message on the screen? What type of cable are you using to connect to the TV, Coax or RCA?


If you're not getting an error message what type of cable are you using? If it's a Coax Cable, you will want to make sure the TV is on channel 3 or 4. If you're using an RCA Cable, you will need to check the Input channel.

Thanks

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Refer its user manual for details. If you wish to get set-up codes and other details check: http://electrohelponline.blogspot.com/ & http://electro-medical.blogspot.com/ Both the sites have setup code list, and setup procedure to many popular brand remote controls. Check the site in 'Mosaic' view. It will make search easy.

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