Gallien-Krueger ML/S Instrukcja obsługi - Strona 7
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Specifications
Your new amp, if kept in a well constructed rack, road case, or GK Road Bag and handled with care, should give you trouble-free performance. If operated with
care our only maintenance should be occasional external cleaning.
Often when an electrical component provides poor, erratic, or no performance, it is due to minor problems or irregularities which may be corrected easily by someone
knowing very little about electronics.
We have provided the accompanying chart for your reference. If you have any problems at all, please check this first. If your problem is major and there is definitely
something wrong with the unit, please refer to the list of Service Centers included with the paperwork in the packing box. If necessary , call your local GK Dealer for
your nearest Authorized GK Service Center. You may also call our Service Department at (408) 441-7970 For reference to your nearest Authorized GK Service Center.
PROBLEMS:
LEDs light but no signal from Speaker Outputs,
Headphones, Line Outputs, or Balanced Outputs.
LEDs light, tone and volumes turned up but no sound.
LEDs light, tone and volumes up, external speakers OK, Reset amplifier with Power Switch as described above. If condition still exists, check
but no signal from output.
LEDs light, tone and volumes up, external speakers OK, Call your Authorized GK Service Center.
guitar cord OK, guitar volume up and still no sound.
Channel Switching, Boost, Compressor, Chorus or
Reverb not functioning with footswitch plugged
in and appropriate LED indicators "on".
External effects hooked up through Effects Loop
are distorting.
Loud hum.
Excessive noise.
No LEDs on front panel are lit and no signal from
Speaker Outputs, Headphones, Line Outputs, or
Balanced Outputs.
PROBABLE CAUSES/SOLUTIONS:
Be sure all tone controls and volumes are turned up at
least part way.
Auto Amplifier Shutdown may have tripped. Reset by turning the Power Switch(22)off, wait 3seconds, then
turn the Power switch back on. If the condition still exists, check interconnections with speakers.
guitar volume, pick-ups, cord, and repair or replace if necessary.
Be sure the effect parameters are up and front panel ON/OFF buttons are "in". Check footswitch cable.
Effects Loop Send too "hot", overdriving the effect.
Keeping the Output Level(11) above the 1 o'clock
position will, in most cases, solve the problem.
Check grounding of the unit and any effects going through the effects loop. Proper grounding is mandatory.
Repair or replace guitar cord. Make sure external effects are patched into the Effects Loop and not before the
Input. Test guitar pick-ups.
Check power cord, AC outlet and fuse. If all are OK or fuse is blown, call your local Authorized GK Service
Center. Note :Be sure the correct fuse is being used.