Denon AVR-X4100, Service Manual

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PRECAUTIONS DURING SERVICE
Initializing This Unit
Initialize this unit if you have replaced the microcomputer, one of the parts around the microcomputer, or the digital PCB.
1. Press the power button to turn off the power.
2. Hold down buttons "
CURSOR
d
" and " CURSOR
f
" at the same time and press the power button to turn on the
power.
3. Release the buttons after confirming that the display flashes in intervals of approximately 1 second.
＊ The unit is initialized.
NOTE： • If the status in step 3 does not occur, start again from step 1.
• Initializing the device restores settings configured by the user to the factory settings. Take note of your settings beforehand
and reconfigure them after initialization.
Service Jigs
The following jigs (extension cable kit) are used when repairing the PCBs.
Order the jigs from your dealer if necessary.
8U- 110084S : EXTENSION UNIT KIT : 1 Set
8U- 110136S : EXTENSION UNIT KIT : 1 Set
(See 78 page )
X
CURSOR
d
CURSOR
f
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