Monday, May 19, 2014

ST-15S1 - MARANTZ - SERVICE MODE - FACTORY MODE - SCHEMATIC [DAB/FM/AM Tuner]


FACTORY MODE / SERVICE MODE
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)