HOW CAN I CHECK MY S-760 IS WORKING PROPERLY?
 
Run the test procedures described bellow. Attention, you need the 'test' floppy to run the tests described below. You can get a floppy image of it here. It is in self-extracting format so you don't need any application to write the image back to disk.
 
Editing S-760 internal parameters
  • While pressing the MODE key, turn the power on. When the red LED flashes, release the key.
  • Adjust the visibility of the LCD using the S1 or S2 button or the VALUE dial.
  • Edit parameters and then press the EXIT button.
 
Identifying the version of the S-760 boot ROM (IC15)
  • Whilst holding down the PREVIEW (PUSH) knob and F1 button, turn the power on.
  • The ROM version is displayed on the LCD.
 
Identifying the system version
  • Turn the power on and insert the system disk.
  • Pres the MODE button to select Disk (F5). Press the MENU (PUSH) knob to select Save System.
  • The LCD displays the system version.
 
S-760 test disk
 
Starting the test disk
  • The hard disk to be checked must be formatted using the S-760 utility and assigned ID No.2.
  • Hook up the MIDI IN and MIDI OUT sockets via a MIDI cable.
  • Turn the power on and insert the test disk (PROTECT switch off) into the floppy drive slot.
  • The LCD will display: Wave memory, Optional board and EEPROM test result.
Test procedure
  • Select a test option using the F1, F2, F3 and SHIFT buttons. The F4 and F5 tests can be selected by pressing F1 and F2 after pressing the SHIFT button.
  • To end a test (except the switch test), press the EXIT button.
  • To end the switch test, use the VALUE dial.
  • To change value, use the VALUE dial.
Test menu
  • On the start message screen, press the EXIT button to call the Test Menu screen, press the EXIT button to call the Test Menu screen.
  • Use a function button to select the desired test (Panel, Display, Device, Sound, Option).
System command
  • To get a backup copy of the test disk, press the COMMAND button while in the Test Menu screen.
  • To copy the test disk onto a floppy disk, insert a disk (with the protect tab on the off position) into the drive slot and pres the F1 button.
  • To copy the content of the test disk onto the hard disk, set the ID No. of the hard disk to 2.
Panel menu
  • Pressing the F1 button calls the Panel Menu screen.
Panel switch check
  • On the Panel Test Menu screen, press the F1 button to select Panel SW Check.
  • Press the switches (except for POWER) and control knobs.
  • To cancel the check, turn the VALUE dial.
LED check
  • On the Panel Test Menu screen, press the F2 button to select the LED Check screen.
  • Verify that all LEDs are turned on and off.
  • A double box on the screen represents a dual-colour LED which lights up orange when both LEDs light up.
  • Buttons that have LED will be displayed in reverse video on the LCD.
Dial check
  • On the Panel Test menu screen, press the F3 button to select the Dial Check screen.
  • Turn the VALUE dial and check its function.
Display check
  • On the Panel Test Menu screen, press the F2 button to start Display Check.
  • Using the F1, F2, F3, SHIFT buttons and VALUE dial, verify that all LCDs dots turn on and off and the screen contrast can be adjusted.
Device test menu
  • On the Test Menu screen, press the F3 button to enter the Device Test Menu screen.
  • Select the desired option (MIDI Check, SCSI Check, Wave Memory Check, FDD Check).
MIDI check
  • Hook up the MIDI IN and MIDI OUT sockets via a MIDI cable.
  • On the Device Test Menu screen, press the F1 button to select MIDI Check.
  • The MIDI output circuit is automatically tested. Pressing the F1 button again repeats the test.
  • Pressing teh F2 button allows the MIDI signal to be throughed. This time, connect the MIDI OUT to an external device.
SCSI check
  • On the Device Test Menu screen, press the F2 button to start SCSI check.
  • Pressing the F1 button repeats the test.
  • Please connect HDD
  • Set SCSI ID=2... SCSI device is not connected, or SCSI ID No. is not 2.
  • Read error... Data read failure.
  • Write error... Data write failure
  • Verify error... Data mismatch
  • SPC error... SCSI controller not working.
Wave memory check
  • On the Device Test Menu screen, press the F3 button to start Wave Memory check.
  • Pressing the F1 button repeats the test.
  • Note: WAVE MEMORY display (from left)
  • Standard (2Mbytes) + IC87 (socket B) + IC88 (socket A) = total working capacity.
  • If 0 + 16 + 0 is displayed with one SIMM72-8 and one SIMM72-16 installed, check connection of SIMM72-8 at IC88 (socket A).
  • If 0 + 16 + 0 is displayed with one SIMM72-16 installed, remove the SIM72-16 from IC87 (socket B) and insert into IC88 (socket A).
  • When two SIM72-16 are installed, the display should show 0 + 16 + 16, indicating that available wave memory is 32 Mbytes.
FDD check
  • Pressing the F4 button on the Device Test Menu screen starts the FDD check.
  • To repeat the test, press the F1 button.
  • Please Change Protect... PROTECT SW is at ON position
  • No format... The disk has not been formatted on the S-760.
  • Read error... Read failure
  • Write error... Write failure
  • Verify error... Data mismatch.
Sound Test Menu
  • On the Test Menu screen, press the F4 button to enter Sound Test Menu screen. Select the desired test. F1: Sampling, F2: Digital I/O, F3: Analog, F4: Voice.
Sampling check
  • From the Sound Test Menu screen, press the F1 button to start Sampling check.
  • AD and D/A circuits are automatically checked.
  • The F1 button toggle between input and output.
  • The F2 button changes the sampling frequency.
  • Check the sound quality at the STEREO OUT 1. Adjust REC LEVEL and VOLUME controls as necessary.
Digital I/O check
  • On the Sound Test Menu screen, press the F2 button to start Digital I/O check.
  • This test is available only when the optional digital I/O board is mounted.
  • Input appropriate digital signal to the Digital IN of the optional board.
  • Connect the Digital OUT of the optional board to a unit equiped with a digital input.
  • Check the digital output and display on the LCD for correct reproduction of the input signal.
Analog check
  • On the Sound Test Menu screen, press the F3 button to start the Analog check.
  • Connect the STEREO OUT 1 and STEREO OUT 2 to a separate speaker.
  • Turn the VOLUME control fully clockwise.
  • Press the F1 button to change outputs.
  • Turn on and then off mute by pressing the F2 button.
  • With mute off, check that only the selected OUTPUT provides 660 Hz, 11mV sine wave.
  • With mute on, check that all OUTPUTs provide the same 660 Hz signal.
Voice check
  • On the Sound Test Menu screen, press the F4 button to start the Voice check.
  • Connect the STEREO OUT 1 L (MONO) to a speaker.
  • Turn the VOLUME control fully clockwise.
  • With mute off, verify that all voices (0-23) can be reproduced.
  • With mute on, verify that all voices (0-23) are silenced.
Option check
  • On the Sound Test Menu screen, press the F5 button to start the Option check.
  • This test is available only when the optional board has been installed.
  • Move the mouse and verify that a line is drawn on the LCD.
  • Click the left-hand button on the mouse and verify that the upper circle on the screen turns black.
  • Click the right-hand button on the mouse and verify that the lower circle turns back.