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CAUTIONS IN SERVICING
Initializing AV Surround Receiver
AV Surround Receiver initialization should be performed when the μcom, peripheral parts of μcom, and Digital P.W.B.
were replaced.
1. Turn off the power pressing ON/STANDBY button.
2. Press ON/STANDBY button while simultaneously while pressing ZONE SELECT and DISPLAY buttons.
3. Check that the entire display is flashing at intervals of about 1 second, and then release the 2 buttons.
The microprocessor will be initialized.
Note: • If step 3 fails, start over from step 1.
• All user settings will be lost and the factory setting will be recovered after the set is initialized.
So make sure to note down your setting beforehand for restoring after the initialization.
Service Jig
When you repair the printing board, you can use the following JIG (Extension cable kit).
Please order it from Marantz Official Service Distributor in your region if necessary.
8U-110084S
:
EXTENSION UNIT KIT
(Refer to 61 page.)
ON/STANDBY
DISPLAY
:
1 Set
ZONE SELECT
7
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