Nov.2002 fig.test6_70 The LCD display and the 7-segment display will show the version number of the program. Press the [F6] button to proceed to the next test item. * Make sure that the program version number is 1.03 or later. If it is 1.02 or earlier, read the system update procedure and update the unit to version 1.03 or later. 1. Mute test This will test the mute circuit on the jack board. The LCD display will show as follows, and an internal pattern of the MC-909 will begin playing. fig.test11_70 Use the [VALUE] dial, [INC][DEC] buttons, or [CURSOR] up/down buttons to select a test item, and press the [ENTER] button. Test items Test the 18 items listed below. 0.
Version Check 1.Mute 2.Device 3.DIMM 4.Expansion Board 5.MIDI Verify that an audio signal is output from the [PHONES] jack and [MIX OUTPUT L/R] jacks. 6.Card 7.Sound Then press the [F3] button and verify that the audio signal is muted. 8.D-Beam Adjustment 9.D-Beam Press the [F6] button to proceed to the next test item. 10.Velocity Pad 11.Encoder 2. Device test 12.Knob/Slider This will test the various devices on the main board. When you enter the device test, the LCD display will show as follows, and the device test will begin automatically.
13.Switch1 & LED 14.Switch2 fig.test21_70 15.LCD 16.USB 17.Factory Reset Using Test mode Before you enter Test mode, make sure that the power is not turned on, remove the EXP COVER from the bottom panel of the MC-909, and insert the DIMM and expansion board you provided. 0. Version check When you enter test mode, you will begin with the version check item. fig.test5_70 Devices corresponding to the LCD display indications 24 LCD display Corresponding main board device 1:FLASH (NOR) IC19 2:FLASH (NAND) IC53 3:SD-RAM (MAIN) IC2,6 4:SD-RAM (SMPL) IC20,24 5:PPC IC4 6:BA IC21 7:WAVE ROM IC28 8:XV IC27 9:XV D-RAM IC37 10:ESP IC22 11:ESP D-RAM IC23 12:USBC IC56