Marantz SR5011 Service Manual page 84

HDMI "Rx/Tx" Failure Detection
1. Prior checking
Check item (0) : Checking the HDMI connector
Checking the condition of the HDMI pin (rear/front).
There are deformed pins.
Replace the HDMI connector.
OK NG
Check for deformed pins.
None of the pins are deformed.
3. Check by following the flow chart for starting detection of the points
of failure.
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