Korg PA3X, Service Manual, Page: 98 / 125

Audio In HG – 2 step
1-2 MIC To Left
2-2 MIC To Right
Connect 600ohm Audio Analyzer generator output to the label below specified inputs, then
check the relative output levels. (+/- 0,5Vpp)
Mic gain potentiometer must be turned to the maximum level
MIC In Left In Right In Left Out Right Out Out 1 Out 2 HP L HPL R
0,04Vpp 15Vpp Jack dummy
0,04 Vp Jack dummy 15Vpp
Distortion HG – 2 step
1-2 MIC To Left
2-2 MIC To Right
Connect 600ohm Audio Analyzer generator output to the label below specified inputs, then
check the relative output distorsion.
Mic gain potentiometer must be turned to the maximum level
MIC In Left In Right In Left Out Right Out Out 1 Out 2 HP L HPL R
0,04 Vpp < 0,1% Jack dummy
0,04 Vpp Jack dummy < 0,1%
Noise HG – 2 step
1-2 MIC To Left
2-2 MIC To Right
Connect Audio Analyzer input to the label below specified outputs, then check the relative
noises
Mic gain potentiometer must be turned to the maximum level
MIC In Left In Right In Left Out Right Out Out 1 Out 2 HP L HPL R
< -60dB
< -60dB