Korg X3 User manual
SERVICE MANUAL
MUSIC WORKSTATION
CONTENTS
1. SPECIFICATIONS 1
2. STRUCTURAL DIAGRAM 2
3. BLOCK DIAGRAM 4
4. CIRCUIT DIAGRAM -.5
5. P.C. BOARDS 9
6. HOW TO DISASSEMBLY 13
7. DIAGNOSTIC TEST 16
8. CHECKPOINTS 26
9. REFERENCE DATA 30
10. WAVE ROM SOUND LIST 42
11. PARTS LIST 49
1. SPECIFICATIONS
P80G/SEQ data card slot &PCM data card slot
Daiper pedal &Assignable pedal
L/MONO. R&PHONES
IN. OUT &THRU
16 X2custoi LCD indicator with EL backlight
3.5 inch /2DD disk drive(720k byte for MS-DOS format)
1.055(W) X338.3(D) x96(H)ma
10kg
lOf
1
o
c
33
>
PART NO SCREfS PART CODE
ABT BBZMC 3X8 791060308
B BT BZMC 3X8 791030308
C BT BBZMC 4X10 791060410
PART NO PART NANE PART CODE
1X-115 PANEL K0C-C10126 641040200
2X-115 LCD WINDOW KOC-E40352 630018900
3X-631 SLIDE VR KNOB K0C-E40239 620019700
4RUBBER FOOT FF-OCl 500018SOO
5X-952 LTYPE ANGLE 641019800
6X-Oll/012 CARD GUIDE 646039400
7X-OI 1/012 CARD SLOT 646039500
8X-952 POWER Sff KNOB E40304-2 620024600
9X-943 JACK PLATE 641021900
10 P.C. BOARD KLM-1645 (MAIN) 001164500
11 P.C. BOARD KLM-1646 (JACK) 001164600
DIAGRAM
m
riiMKiii SCREiS
ABT BZMC 3X8 791030308
BBT BZNC 3X10 791030310
cCT BZMC 3X6 715230306
BT BBZNC 3X8 791060308
EBT 8ZNC 3X8 791030308
BT BBZNC 4X10 791060410
[W TS SSE ZNC 4X10 715130411
fBssmsm PART NAME
1X-115 PANEL K0C-C10126
2KEYBOARD NEI LC-61
3X-115 SIDE PLATE RKOC-E10086
4X-115 KB SUPPORT K0C-C40913
5JOYSTICK ASSEMBLY
6X-115 CP ANCLE K0C-C40916
7X-115 SIDE PLATE LE10084/85
8X-115 PU CHASSIS K0C-C3O411
9DATA LINE FILTER ESD-R-25D-B
10 X-115 SUPPORT RAIL K0C-C2O272
11 POWER SUPPLY UNIT KLM-1649 JU
11 POWER SUPPLY UNIT KLN-16S0 E
12 P.C. BOARD KLM-1648 (PANEL)
13 LCD DMC50271N-SEW-B-1
14 P.C. BOARD KLK-1647 (PANEL)
15 X-115 FDD ANGLE K0C-C20273
16 FDD EME213KRJ
17 POWER SW J-U3065S01
18 INLET SOCKET PA-125-10
19 X-115 METAL FITTING OF POWER SW
20 X-115 SHIELD .SHEET K0C-C30414
641040200
420004700
646046700
641039600
841039800
646046600
641039500
525000100
641040000
002164900
002165000
001164700
313002800
001164700
641039400
430008107
375011500
540012400
641039700
630019300
.
BLOCK
DIAGRAM
4:^
.
CIRCUIT
DIAGRAM
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tni
AC71V
CN6A
1634
TUMOIOC
33A
83B-XI
5. P.C. BOARDS KLM-1647 KLM-1648
r
Y03-2074
OL
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