Korg Pa50 Service Manual

Phone Insert Check
In the case that NG such as Open/Short is ound in DRAM or PDM ROM for TGL, TGL Check
becomes fault and press key; -> TGLPCMROM is displayed. If this sentence is displayed,
complete test mode.
If FAULT!!! is not displayed after finish of Phone Insert Check, Internal Inspection is successful.
Please press [F3] to go to next inspection.
If FAULT!!! is displayed During Floppy Disk Check , MIDI Loop Check, Phone Insert Check,
please check connection and press [F2] to repeat Internal check. If FAULT!!! is displayed again,
the Pa50 internal test result is failure. Please complete the test and inspect next Pa50.
If FAULT!!! is disappear, please proceed test.
RESOURCE is displayed after Phone Insert Check. this procedure does not need for Pa50 FQC.
So please ignore this display and press [F4] -> [F3] to go to next Inpection (Panel Inspection)
4 PANEL INSPECTION
4-1 All LED ON INSPECTION
Please confirm if LCD Display is below, all LEDs are on and no variation of brightness.
Also please confirm if [START/STOP] LED is orange.
After confirmation, please press [F3] to go to next inspection
4-2 SW/LED INSPECTION
At first, [STYLE PLAY] LED is on. Please confirm LED ON according to the following list and
press SW in order.
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Korg Pa50 Specifications

General

Type	Arranger Keyboard
Polyphony	62 voices
User Styles	48
MIDI	In, Out, Thru
Keyboard	61 keys
Timbres	16
ROM	32 MB
Performances	160
Effects	4 stereo digital multi-effect systems
Sequencer	16-track
Song Play	Yes
Display	Backlit LCD
Outputs	L/Mono, R, headphones
Inputs	Damper Pedal, Assignable Pedal/Switch
Floppy Disk	3.5"
Storage	Internal and floppy disk
Connections	Sustain pedal, assignable pedal
Amplification	2 x 15 Watts
Speakers	2 x 10 cm
Sound Engine	HI (Hyper Integrated) Synthesis System