Korg ZERO4 - Internal System Checks

Equipments
：
・AC cord ・Audio analyzer or oscillator
・MIDI cable×1 ・D3200 x1
・XLR cable×2
・TRS standard (unbalance)--TRS standard (unbalance) cable x2
TRS standard (unbalance)--RCA Pin cable x2
・Headphones (both Standard plug and mini-plug)
１
．
Start of the Check
Connection for the Internal Check
1-1.Apearance Check
(
Translation omitted.)
P
reparation
S
et the knobs as the factory setting(seeendofthismanual).
C
onnect the AC cord.
*
right photo
・
AC cord
C
onnect MIDI IN and MIDI OUT as a loop.
・
M
IDI cable
IN-OUT
loop connection
1-2.How to start the Test Mode.
P
ressing the [2] and the [4] of BPM SYSTEM SECTION,
t
urn the power ON.
F
ig.1 When Internal Check
2. Internal Check
・
At first the Internal check starts in the test mode
.
(Fig1
)
・
SDRAM Check
I
nternal Check Error
①
Check of
SDRAM
<<SDRAM>>
②
When an error (Address bus or data bus) occurred,
・address bus error
the check stops and the segments (see right) are blinking
③
When the cheek has passed normally, the check proceeds to the next.
・ data bus error
・
FlashROM Check
①
Manufacturer ID and Device ID are read from the Flash ROM.
②When an error occurred,
the check stops and the segments (see right) are blinking
<<FlashROM
error
>>
③When the cheek has passed normally, the check proceeds to the next.
・
MIDI LOOP Check
<<MIDI
error
>>
①When an error occurred, the check stops and the segments (see right) are blinking
②When the cheek has passed normally, the
system version is displayed.
３
．
Confirmation of the system version
F
ig.2 Version display
the system version is displayed.
C
onfirm that the system version is 1.04 or after.
*
Confirm that it is the newest version when some version-up has been done.
P
ress the
[TAP]
.
4.SW&LED Check
All LEDs light.
4-1. All LEDs light 1, 2 and individually light
Confirm that all LEDs light in same color as the "All LEDs light 1" in page2/10 Table 1.
P
ress the
[TAP]
to proceed to the next.
Confirm that all LEDs light in same color as the "All LEDs l
i
ght
2
" in page2
/10
Table 1.
Press the
[
+48V] (upper of the GUITAR JACK)
C
onfirm that the ON LED lights.
Press the
[
+48V] (upper of the GUITAR JACK)
C
onfirm that the ON LED turned OFF..
P
ress the
[TAP]
to proceed to the next.
Confirm that all LEDs light in same color as the "
Individually light
" in page2
/10
Table 1.
P
ress the
[TAP]
to proceed to the next.
KORG INC.
1／102007/4/23
QCI-5800 Page
ZERO4 (X-5800) Check before Shipping
Revised
No.
Date