MPX G2 Service Manual
5-20
MIDI ROM
SRAM 2186 SRAM
DRAM 2186-Lex
Auto Execution Sample Rate
Digipot
When the OPTIONS button is pressed, the display will read the following:
Repeat test
1 times
The OPTIONS LED will flash about once every second instead of being on continuously.
Turn the Encoder 1 position CCW to select Infinite or CW to select 2-254 times. Once the selection is
made, press the OPTIONS button. The display will read the previous test that was selected. Press the
STORE button to execute the selected test or scope loop.
The following scope loops apply to this option:
Lexichip Scope
Z80-Lex Wr Tst
DISPLAY Read
DISPLAY Write
To exit a test or scope loop that's being executed more than 1 time, press the >YES button until the test or
scope loop name is displayed on the bottom half of the display.
Test Result Menu
This utility will display a pass/fail status of the last test that was run and will apply only to the following tests:
*Test No. Test Name
9Footpedal
10 MIDI Wraparound
11 DRAM (U79-82)
12 WCS
13 SRAM
14 ROM Checksum
15 2186 SRAM
16 Lex-2186 Serial Test
17 Sample Rate
18 Digipot
* Note - The test numbers are different than the ones that are assigned for the power up
diagnostics.
When selected, the display will read the following if the last test passed:
Last Test:Passed
<>
If the last test failed, the following will be displayed:
Last Test: Failed
* <> X times
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