Aug.2001 DR-670 fig.3-1 3. Gate Array fig.7-1 7. MIDI Operation : Press [START] button to start the Gate Array test. Operation : Press [START] button to start the MIDI test. If the result is “OK,” you can select another test by rotating the Encoder control. If the result is “OK,” you can select another test by rotating the Encoder control. fig.3-2e If “NG,” the test has failed. You cannot start another test. If “NG,” the test has failed. You cannot start another test. fig.7-2e | | | | | | The error code is displayed. 4. Mask ROM Error codes 0000 to 0007 : Receive status error "OK" (Normal) or "NG" (Test failure) is displayed. fig.4-1 1000 : Tx Buffer Full Error 2000 : Verify Error 3000 :
Data Number Error (Too much data exists.) Operation : Press [START] button to start the Mask ROM test. If the result is “OK,” you can select another test by rotating the Encoder control. 4000 : Rx Buffer Full Error 5000 : Data Number Error (Very little data exists.) If “NG,” the test has failed. You cannot start another test. 8. LEDs fig.4-2e fig.8-1 Operation : Press [START] button to start the LED test. You can select another test by rotating the Encoder control. Test : The red and green LEDs light alternately each time you press [START] button. 5. SRAM Visually check the lit LED positions and their brightness. (A click must be heard from OUTPUT JACK.) fig.5-1 fig.9-1 9.
LCD Panel Operation : Press [START] button to start the SRAM test. If the result is “OK,” you can select another test by rotating the Encoder control. If “NG,” the test has failed. Operation : Press [START] button to start the LCD Panel test. fig.5-2e You cannot start another test. Test : Divide the display dots into 16 groups, and check the on/off switching of each group. You can select another test by rotating the Encoder control. The dot groups are switched and displayed one after the other when you press [START] button. | | | | | | When the 16-th group of dots come on, all dots turn on when you press [START] button. The error address is displayed during error.
Then, all dots go out when you press [START] button again. "OK" (Normal) or "NG" (Test failure) is displayed. Visually check each one for a missing dots, and uneven or intensity error display. (A click must be heard from OUTPUT JACK.) 6. Flash Memory fig.6-1 10. Switches fig.10-1e Operation : Press [START] button to start the Flash Memory test. If the result is “OK,” you can select another test by rotating the Encoder control. | | | | | | If “NG,” the test has failed. You cannot start another test. "ON," "OFF" or "NG" is displayed. fig.6-2e The name and status of the operated switch are shown. Operation : The switch “ON” or “OFF” status appears when you turn it on or off.
The checksum result is displayed. Turn all switches on and off one after the other, and make sure that their correct names and “ON” or “OFF” state appear. If you operate two switches simultaneously, “NG” is displayed. You can select another test by rotating the Encoder control. 13 | | | | | The error count is displayed during erro | "OK" (Normal) or "NG" (Test failure) is displaye r. d.