JVC AV-27920


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JVC AV-27920

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tchr6
New User

Jun 3, 2007, 9:27 PM

Post #1 of 5 (932 views)
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JVC AV-27920	Can't Post

My TV has recently had a band of slight distortion at the top of the screen. Today, the picture collapsed into a thin line of light horizontally through the screen. Within seconds it went back to full screen and the distorted band was gone. A short time later, it collapsed into the thin line of light again and has not recovered. What is causing this? Should I use this set?

Paulpablo
Enthusiast

Jun 4, 2007, 7:43 PM

Post #2 of 5 (920 views)
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Re: [tchr6] JVC AV-27920 [In reply to]	Can't Post

You need to replace the vertical I.C. and C424.

mel
Veteran

Jun 4, 2007, 9:03 PM

Post #3 of 5 (915 views)
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Re: [tchr6] JVC AV-27920 [In reply to]	Can't Post

Check for a bad solder joint on the vertical IC.

tchr6
New User

Jun 5, 2007, 12:05 AM

Post #4 of 5 (904 views)
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Re: [Paulpablo] JVC AV-27920 [In reply to]	Can't Post

Where can I buy such parts? and how do I find out where they are located within the set?

Paulpablo
Enthusiast

Jun 5, 2007, 12:20 AM

Post #5 of 5 (902 views)
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Re: [tchr6] JVC AV-27920 [In reply to]	Can't Post

I.C.421 is labeled on the board and part # is LA 7832. I am sorry as I can't help you any further than this as this is all the info I have!

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