Marantz NR1504 /U1B, Руководство по обслуживанию

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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 (
X
)" button.
2. Press " ON/STANDBY (
X
)" button while simultaneously while pressing " PRESET CH + " and " PRESET CH - " 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.
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 : 1 Set
8U-110136S : EXTENSION UNIT KIT : 1 Set
(Refer to 48 page .)
When you update the firmware by DFW, you can use the following JIG (RS232C to internal connector conversion adapter
with 4P FFC cable kit ).
Please order it from Marantz Official Service Distributor in your region if necessary.
8U-210100S : WRITING KIT : 1 Set
(Refer to 50 page .)
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.
PRESET CH
PRESET CH
X ON/STANDBY
CAUTION IN SERVICING
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