TRUE Systems P-SOLO RIBBON - Manual (Page 12)

P-SOLO Ribbon OPERATION MANUAL
12
TROUBLESHOOTING
Symptom
No signal output. Main power switch
is on, but no LED’s are illuminated.
Solution
 Check AC power source and cord.
 Check fuses (open fuse drawer, remove fuse
holder, inspect fuses)
No signal output. Main power switch
is
on and some LED’s are
illuminated.
 Check continuity of mic and electric
instrument cables.
 Check continuity of output cables.
Output signal is distorted. Outputs
are
connected for balanced
operation.
 Make sure gain is adjusted so that the OL
indicator does not activate during the audio
program.
 Make sure the high output capability of this
unit is not overloading the device or
monitoring system to which it is connected -
Check continuity of output cable.
 Make sure outputs are not connected to a
load impedance of less than 600 ohms.
Output signal is distorted. Outputs
are connected for unbalanced
operation.  Make sure the minus (-) output signal pins are
connected to the shield and not left
unconnected. See “Output Cable Connection”
section.
 Check troubleshooting tips for balanced
operation (above).
Hum can be heard in the audio
program.  Check continuity of output cables (particularly
shields).
 Disconnect shields on one end of output
cables. (Not appropriate for unbalanced
connections.)
Electric instrument connected to the
Instrument input does not produce a
signal or signal is distorted.  Check continuity of electric instrument cables.
 Check the batteries or AC power source of
any “foot pedal” effects processors connected
to the Instrument input.
 Make sure that the instrument cables have
standard tip-sleeve 1/4” phone plugs. - DO
NOT use TRS plugs.