Roland JX-305 GROOVESYNTH Service Notes page 15

JX-305
11-5. Are the following values obtained when the bender
lever is moved all the way to the left and right ?
level left center right
value -256 0 256
NOTE: If you move After Touch , Modulation, Ctrl Pedal,
knobs simultaneously, the LCD display error.
To abort a command, press [BWD] button.
When MIN and MAX displayed, The following
display will appear.
11-6. Set the bender lever to MOD position and then return it
to the original position.
Does the MOD value increase from 0 to 127 ?
11-7. Test ends normally, the following display will appear.
Press [ENTER] button, Factory Data will be loaded.
Troubleshooting for the AD Test
Result of Test Check
No response Check Q6, 7>Check the condition of
connection
Value does not Check the power supply of Q6, 7
reach the 0 or 127 ,
-256 or +256
If the above check points are normal, replace the Bender unit.
Sep. 1998
15