Lexicon 960L Service Manual page 26

960L Multi-Channel Digital Effects System Service Manual
4. Turn the volume control on the Headphone Amplifier completely counter-clockwise, and plug in the
stereo headphones.
5. Power on the 960L.
6. Configure the 960L as follows. Control Mode to Stereo, Program load Bank 12 Halls, then load program
#1 Large Halls.
Verify Clean Audio:
1. Put on Headphones
2. Press the Edit button on the LARC2 make sure the Mix/Wet slider is set to Wet
3. Slowly increase the volume on the Headphone Amplifier unit it's at a comfortable listening level.
4. Slowly sweep the oscillator across the audio frequency band and verify that no pops, clicks, static,
hash, and breakup in the audio.
5. Move the input and output cables to the next machine pair of the 960L (3,4) (5,6) and (7,8).
6. Repeat the test for each paired output.
Shock Test:
1. While still listening with the headphones. Lift each corner to the 960L a few inches off the workbench
and drop.
2. Verify there is no audio break up.
3. Inspect all components after to be sure nothing was loosened by this test.
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