Kurzweil RE-210 Service Manual page 6

Chapter 2
DIAGNOSTICS
2.1 About Diagnostic Mode
In Diagnostic mode you can check integrity of RE-210. Mainly, there are two distinct
diagnostic mode, one is Scanner Diagnostic and the other is Engine Diagnostic. First,
Scanner diagnostic allow you to check various physical section such as KEYBOARD,
BUTTON and LEDs, PEDAL, and KNOB. Second Engine Diagnostic you can see the state
of the sound engine, for example, Sound ROM, D-RAM and so on...
2.2 Entering Scanner Diagnostic
How To enter scanner diagnostic mode
1. Turn the power up
2. After power up normally press "DEMO" and "MIDI/Pref" button simultaneously
3. After step 2, segment displays "DIG" and system entering scanner diagnostic
mode
5. OK, now your in scanner diagnostic mode
2.2.1 LED and Button Test
During led test you can investigate current state of the LED. Pressing any button turns
corresponding LEDs are on (where corresponding means LEDs are connected to button
Such as press "REVERB" button turns all REVERB LEDs are on, and "EFFECTS" too.)
Don't forget. "UP" and "DOWN" button do not have led connected, so push "UP" or
"DOWN" button alone does not turn any led on. You can turn all LEDs on at one time,
press "UP" and "DOWN" button simultaneously. Turns all LEDs on, It might be flicker, but
it's OK.
2.2.2 Knob Test
This test you can check integrity of the 3 knobs. RE-210 has 3 knobs, "VOLUME",
"TREBLE" and "BASS". Turn left or right any knob displays current value of the knob you
touched. Each has a little bit different ranges. Ranges are below. Be sure that "DOT"
displayed during the KNOB test means the Knob - connected to DOT - is activate now.
Don't forget error range is +/- 1 or 2. The range of each Knob and corresponding Dots are
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