Caution In Servicing; Initializing Av Surround Receiver; Service Jig - Marantz SR7009/U1B Service Manual

CAUTION IN SERVICING

Initializing AV SURROUND RECEIVER

AV SURROUND RECEIVER initialization should be performed when the μcom, peripheral parts of μcom, and Digital
PCB. were replaced.
1. Turn off the power pressing X button.
2. Press X button while simultaneously while pressing "MOVIE" and "MUSIC" 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 : 1 Set
8U- 110136S : EXTENSION UNIT KIT : 1 Set
(Refer to 80 page.)
MUSIC
MOVIE
X
11