Korg PA3X, Service Manual, Page: 96 / 125

Connect oscilloscope probes to Out1 and Out2 connected MONO jacks check output
levels:
Left typical level 3Vpp +/- 0,5Vpp Right typical level 3Vpp +/- 0,5Vpp
Audio In LG – 10 step
1-10 IN Left Direct To Left
2-10 IN Left Direct To Right
3-10 IN Left TG To Left
4-10 IN Left TG To Right
5-10 MIC To Left
6-10 MIC To Right
7-10 MIC To Out 1
8-10 MIC To Out 2
9-10 MIC To HP Left
10-10 MIC To HP 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 minimum level
MIC In Left In Right In Left Out Right Out Out 1 Out 2 HP L HPL R
1kHz 5Vpp Jack dummy 4,5Vpp Jack dummy
Jack dummy 1kHz 5Vpp Jack dummy 4,5Vpp
1kHz 5Vpp Jack dummy 1kHz 3,8Vpp Jack dummy
Jack dummy 1kHz 5Vpp Jack dummy 1kHz 3,8Vpp
1kHz 1Vpp 8 Vpp Jack dummy
1kHz 1Vpp Jack dummy 8 Vpp
1kHz 1Vpp 7, 8 Vpp
1kHz 1Vpp 7, 8 Vpp
0,5kHz 1Vpp 3 Vpp
0,5kHz 1Vpp 3 Vpp