Identifies the Power Switch, Volume Control, and Input Selectors.
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However, two decades later, a common problem persists: locating the original documentation. If you’ve found yourself typing into a search engine, you are not alone. The number “134” often refers to a specific revision, SKU suffix, or a page number within the service documentation. Identifies the Power Switch, Volume Control, and Input
The keyword "Harman Kardon AVR 51 User Manual 134" is highly specific. Why the number 134? However, two decades later, a common problem persists:
Manual solution: If your DVD player is connected to Optical 1 but no sound comes out, you must go into the “Input Setup” menu and manually assign “Optical 1” to the “DVD” input source. Page reference: Digital Audio (Page 22).
: Subwoofer pre-amp output and TV monitor video output. Setup and Maintenance Highlights