Question about Denon AVR-3802 Receiver
I've had this receiver for about 7 years. Everything functions fine, but the front display shows gibberish, completely unreadable characters. The characters do change when I select different sources or processing, but none of it makes sense. It's almost like it's trying to display a different language on the front display only.
The onscreen display works fine, but I have to switch TV inputs to a non-digital source to view it. I've searched but can't seem to find any information.
This can be either the display itself or the display driver IC havng problems. Something as simple as poor solder connections may cause this as well. Without seeing hte unit, it is difficult to say what the real problem is. If you can solder, try resoldering all of the voltage regulator ICs in the unit. These look like transistors and will be marked 7805 or 7812. If the voltages drift too low because of bad connections, the ICs can get "confused" and not work properly.
Keep us posted.
Posted on Aug 26, 2008
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Posted on Jan 02, 2017
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