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.