Roland INTEGRA-7 SuperNATURAL, Service Notes

19

Sep. 2012

INTEGRA-7

4. LCD Screen

This verifies the display of the LCD screen.

fig.screen004.eps

1.

Press 

INC

 to display each screen in succession.

2.

Verify that each screen is free of dot drop-out, uneven color, grime, 
soiling, and scratching.

3.

Turn the encoder clockwise and counterclockwise, and verify that the 
contrast changes.

fig.screen005.eps

4.

Press 

INC

 several more times, and verify that the screen luminance 

(brightness) changes.

5.

Press 

CURSOR

 to advance to the next test item.

5. SW

This verifies the operation of switches that have no LEDs.

fig.screen006.eps

1.

Working in sequence, press the buttons indicated on-screen.

* The button on the left side of the screen indicates the 

VOLUME

 control 

PREVIEW

 button.

When you have finished pressing all buttons, execution automatically 
advances to the next test item.

6. SW/LED

This verifies the operation of LED-equipped switches.

fig.screen007.eps

1.

Working in sequence, press the buttons indicated on-screen, and verify 
that the LED for each goes dark.

* Pressing 

PART

 makes the 

MIDI

 LED (green) go dark, and pressing 

PART

 makes the 

USB

 LED (yellow) go dark.

When you have finished pressing all buttons, execution automatically 
advances to the next test item.

7. ENCODER

This verifies the operation of the encoder.

fig.screen008.eps

1.

Turn the encoder counterclockwise 2 turns, and verify that 

0

 is displayed.

2.

In the same way, turn the control clockwise 2 turns.

The value 

48

 is displayed, and execution automatically advances to the 

next test item.

8. D/A NOISE

This measures residual noise.

fig.screen009.eps

1.

Adjust 

VOLUME

 to 

MAX

.

2.

Connect the noise meter to 

OUTPUT A L/MONO

 and 

R

 (TRS), and verify 

that the values shown below are obtained.

L:

-86 dBm

 or lower (DIN audio or JIS A)

R:

-86 dBm

 or lower (DIN audio or JIS A)

3.

Connect the noise meter to 

OUTPUT B L

 and 

R

 (TRS), and verify that the 

values shown below are obtained.

L:

-86 dBm

 or lower (DIN audio or JIS A)

R:

-86 dBm

 or lower (DIN audio or JIS A)

Press 

CURSOR

 to advance to the next test item.

9. SHOCK TEST

1.

Connect headphones, press the 

PREVIEW (PUSH)

 button, and verify the 

sound.

2.

Lift the front of the unit 5 centimeters, then let it fall. (Do this 3 times.)

3.

Verify that when impact is applied, no sound drop-out or momentary 
power interruption (restart) occurs.

10. FACTORY RESET & ERP

This verifies the results of the wave ROM check, carries out a factory 
reset, and verifies ERP operation.

fig.screen010.eps

1.

Verify that 

OK

 is displayed for all items from 

WaveROM 1

 through 

3

.

If 

Busy

 is displayed, wait until 

OK

 is displayed. (This can take up to 

around 2 minutes.)

* The check of the entire wave ROM region starts after 

2. DEVICE 1

 (p. 17) has 

been executed. If 

DEVICE 2

 has been skipped, the message 

Busy

 remains 

displayed without change.

2.

Press 

PART VIEW

, and verify that the message 

Factory Reset : OK

 is 

displayed.

* The message 

Busy

 is displayed for several seconds until 

OK

 appears.