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Not likely! Suggest swapping input connection, red RCA connector to white and white to red and see if problem swaps speakers.
If still left channel bad swap speakers left to right see if problem follows speaker.
Check balance adjustment and confirm that it is set to the middle!
Check all other inputs and confirm always no left output.
The goal is to confirm that the left channel is defective!
The service manual is MS3102101 would normally be available from Radio Shack.
Check for defective capacitors or failed solder joints on the PC board. These units are repairable even by DIY however replacement recievers are relatively inexpensive.
go to link below and click the green "Notify Me" button when this item is stocked. We will inform you when we put one in stock. You must purchase a new OEM remote, universals will not work. OPTIMUS STA3750 3760 Remote Control
Do you really have TV Audio OUT to a DVD (last sentence)?
Most DVR's have digital and analog audio outputs. Since every device they are intended to feed would have its own volume control a DVR output volume control might be redundant. Treat a DVR like any other audio device. Connect it to any available input on the receiver EXCEPT PHONO.
If you run the audio from the DVR (and EVERY video source) directly to the STA-795 you can bypass the TV and its questionable audio electronics (yuk). You can split the analog output of the DVR with y-cables and run it from the DVR to TO the TV for casual viewing and listening through the TV sound system (news, Oprah, etc).
I've tried unsuccessfully to find a copy you can download. The part number for the service manual is MS3102101. You can try your local RS store or call 1-800-843-7422 to see if you can order a copy.
You probably need to replace the memory capacitor. .047f 5v
off hand I don't remember the model # if you send me the catalog # on the rear of it (31-XXXX) it would help.
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