ST-15S1 - MARANTZ - SERVICE MODE - FACTORY MODE - SCHEMATIC [DAB/FM/AM Tuner]
FACTORY MODE
To reset all settings to default
status, follow the procedure:
1 Press
the Power ON/OFF button to turn on the power.
2 Press
‘Menu’ + ‘Band select’ buttons simultaneously and pull out mains cord.
3 Mains
cord pull in.
4 During the initialization, it is converted to DAB Auto Tuning state. [If step 3 doesn’t work, start over from
step-1. If the microprocessor has been initialized
all the button settings are reset to default values; the values set upon
shipment from the factory.
SERVICE MODE
Microprocessor version
check.
1.
Connect the mains cord to the unit.
2.
Press the Power On/Off button while pressing the
‘Menu & Display’ button.
3.
All segments of the FLD will be light ON.
4.
Turn ‘Gyro Tuning’ dial. Version is displayed on FLD.
5.
Turn the ‘Power Off’ to quit the Service mode.
SCHEMATIC (Click on the schematic to Zoom In)