Kurzweil SP5-8 - Troubleshooting - Display and Audio Issues; Display Blank and Audio Problem Diagnosis

Troubleshooting
Common Problems
12-2
The power adapter ratings does
not match the required ratings
for the SP5. The power adapter
specications are: 15V DC, 1.0 amp,
center pin positive, 5.5mm OD,
2.5mm ID coax type plug.
Obtain a compatible power adapter.
The wall outlet, power strip, or
extension cord is defective or
damaged.
Use a different wall outlet, power strip, or
extension cord.
If there’s evidence of the unit receiving power, but operation is abnormal, check if one of
the following might be the issue:
The power adapter ratings does
not match the required ratings
for the SP5. The power adapter
specications are: 15V DC, 1.0 amp,
center pin positive, 5.5mm OD,
2.5mm ID coax type plug.
Obtain a compatible power adapter.
The wall outlet voltage is below 90
volts due to overload.
Try a different outlet on a different circuit.
The power adapter plug does not
snugly t into the DC power jack,
causing it to wobble and provide
intermittent power.
Obtain a compatible power convert.
Powers up, Display is Blank
The Display is blank or difcult to
read.
Slowly turn the Display contrast knob
(located above the Alpha Wheel) to adjust the
Display.
Audio Problems
CAUTION: DO NOT TROUBLE SHOOT AUDIO PROBLEMS USING
HEADPHONES. ADDITIONALLY, ALWAYS BE AWARE OF THE VOLUME
LEVELS ON THE SP5 AND ON THE CONNECTED AUDIO SYSTEM OR MIXER.
NOTE: When diagnosing audio problems, set the SP5 to play its demo sequence rather then
intermittently pressing keys. This will prevent any unexpectedly loud volume changes.