Roland Juno-GJ Service Notes page 21

Apr. 2006
15. D Beam
Checks the D BEAM controller.
When entering the D BEAM test, the following message appears in the screen.
fig.29
Adjust the Sens value with the VALUE dial or [INC]/[DEC] buttons to meet
with the following three conditions.
• Value is 0 or --- when not holding a hand over the D Beam Controller.
• Value is 1–30 when moving a hand up and down over the D Beam
Controller and hold it at position about 35 cm over the panel.
• Value is 127 when holding a hand at about 5 cm over the panel.
When the value 0 and 127 are detected, the test program advances to the next
test item automatically.
16. Keyboard
Checks the Keyboard.
When entering the Keyboard test, the following message appears in the screen.
fig.30
Hit all keys and check they sound with piano sound.
And also, check the volume changes correspond to the force of hitting keys.
Press the [F6] button to change the tone to the organ sound, and play the
keyboard to confirm all keys sound correctly.
Press the [F6] button to advance to the next test item.
Press at least one key, or the test program will not advance to the next test
item.
22
17. Noise
Checks the residual noise with a noise meter.
The following message appears in the screen.
fig.31
Rotate the VOLUME knob to MAX.
Set the input filter of the noise meter to DIN Audio, and confirm to meet with
the following requirements.
OUTPUT A L:
R:
OUTPUT B L:
R:
If there is no problem, press [F6] to advance to the next test item.
18. Factory Reset
Executes the Factory Reset.
The following message appears in the screen.
fig.32
Press [ENTER] to execute the Factory Reset.
When completing the Factory Reset, the following message appears in the
screen and the Test Mode are finished.
fig.33
Turn off the power of the JUNO-G, and remove the DIMM and the Expansion
Board.
JUNO-G/JUNO-G (J)
-80 dB or less
-80 dB or less
-80 dB or less
-80 dB or less