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Old 5th October 2003, 06:04 AM   #1
Wright is offline Wright  United States
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Unhappy Need help fixing receiver

Hey guys.
Lately one or more of my video inputs on my Onkyo receiver quit working. Some of my rca cables have a very strong grip so I figured that removal tension might have broken some of the solder joints. Since I had the same problem with my tv and successfully repaired it, I decided to open up the receiver and take a look. I managed to get the circuit board out that had the rca's on it, flipped it over and the joints looked fine. I resoldered them anyway and stuck it back in to test. Turns out that only one of the four inputs is working; another one I could get to work by wiggling it a little. The solder joints all look great so I don't think that's the problem, but I'm not sure what else it could be. Maybe some problem with the plugs themselves? I don't know that much about internal electronics but I would appreciate any suggestions you guys might have. Looks like a trip to an authorized repair specialist would run me close to $200 so if I can't fix it it's not getting fixed. I'll attach a pic so you can take a closer look. Thanks for the help,

George
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Old 5th October 2003, 06:07 AM   #2
Wright is offline Wright  United States
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Default and another pic

...
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Old 5th October 2003, 06:12 AM   #3
Wright is offline Wright  United States
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arrgh, wrong forum! sorry
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Old 5th October 2003, 03:13 PM   #4
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Default Fix reciever

You need an ohmeter to chec the continuities of the input. Some of the breaks can be quite small. The little slivers of metal that come off of the sockets themselves can break from the torque, and not be readily visible.
Incidentally, older equipment is not a good match for new super-cables- I once measured the RCA diameter of older and newer (gold-plated) sockets, and found the new stuff significanly smaller.
I broke off several inputs on a nad amp from the Eighties, in just the way you describe.
Doug
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