Korg MICROX X50 User manual

KORG X50
SERVICE MANUAL
TABLE OF CONTENTS
ASSEMBLY SKETCH (HOOKUP): 2
BLOCK DIAGRAM: 3
SCHEMATIC DIAGRAM: 4-11
TEST MODE: 12
PARTS LIST: 13-16
Issued:Jul.3, 2006
Ver2.0: Changed P13/16

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87654321
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Title
Number RevisionSize
A3
Date: 6-Jan-2005 Sheet of
File: E:\USER\DESIGN\BANANA\BananaKB\BananaKB.DdbDrawn By:
1
2
3
4
5
6
7
CN5
JS-1125-07
1
2
3
4
5
6
7
8
9
10
CN6
JS-1125-10
(W0D)
(BEND)
+3.3D
GND
KF0
KS0
KF1
KS1
KF2
KS2
KF3
KS3
KBD3
KBD2
KBD1
KBD0
KBD4
3
1 2
SW1
3
1 2
SW2
3
1 2
SW3
3
1 2
SW4
3
1 2
SW5
3
1 2
SW6
3
1 2
SW7
3
1 2
SW8
3
1 2
SW9
3
1 2
SW10
3
1 2
SW11
3
1 2
SW12
3
1 2
SW13
3
1 2
SW14
3
1 2
SW15
3
1 2
SW16
3
1 2
SW17
3
1 2
SW18
3
1 2
SW19
3
1 2
SW20
3
1 2
SW21
3
1 2
SW22
3
1 2
SW23
3
1 2
SW24
3
1 2
SW25
D1D D2D D3D D4D D5D D6D D7D D8D D9D D10D D11D D12D D13D D14D D15D D16D D17D D18D D19D D20D D21D D22D D23D D24D D25D D26D D27D D28D D29D D30D D31D D32D D33D D34D D35D D36D D37D D38D D39D D40D D41D D42D D43D D44D D45D D46D D47D D48D D49D D50D
1
2
3
4
5
6
7
8
WIRE3
A1
B2 C3
G1 6
G2A 4
G2B 5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16 GND 8
IC1
74HC138
C6
220P
GND
C7
220P C9 220P C10 220P C11 220P C12 220P
GND GND GND GND GND
+3.3D
KLM-2663 Circuit Diagram
C2
0.1u C1
47u/10V
+3.3D
GND
KF0
KF1
KF2
KF3
KS0
KS1
KS2
KS3
KF0
KF1
KF2
KF3
KS0
KS1
KS2
KS3
KBD0
KBD1
KBD2
KBD3
KBD4
1
2
3
4
5
6
7
8
9
10
WIRE1
+3.3D
GND
+3.3D
GND
C3
0.1u
GND
C8
220P
GND
012345678910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
WIRE1,WIRE3 MODEL TYPE MODEL NAME
WIRE1:HNS‑3631 61key X4130
WIRE3:HNS‑3632 49key
37key
WIRE1:NO MOUNT 25key X4140
WIRE3:NO MOUNT

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Date: 6-Jan-2005 Sheet of
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SW27
3
1 2
SW28
3
1 2
SW29
3
1 2
SW30
3
1 2
SW31
3
1 2
SW32
3
1 2
SW33
3
1 2
SW34
3
1 2
SW35
3
1 2
SW36
3
1 2
SW37
3
1 2
SW38
3
1 2
SW39
3
1 2
SW40
3
1 2
SW41
3
1 2
SW42
3
1 2
SW43
3
1 2
SW44
3
1 2
SW45
3
1 2
SW46
3
1 2
SW47
3
1 2
SW48
3
1 2
SW49
D53D D54D D55D D56D D57D D58D D59D D60D D61D D62D D63D D64D D65D D66D D67D D68D D69D D70D D71D D72D D73D D74D D75D D76D D77D D78D D79D D80D D81D D82D D83D D84D D85D D86D D87D D88D D89D D90D D91D D92D D93D D94D D95D D96D D97D D98D
1
2
3
4
5
6
7
8
WIRE4
A1
B2 C3
G1 6
G2A 4
G2B 5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16 GND 8
IC2
74HC138
C16
220P C17 220P C18 220P
GND GND GND
KLM-2664 Circuit Diagram
1
2
3
4
5
6
7
8
9
10
WIRE2
+3.3D
GND
1
2
3
4
5
6
7
8
CN3
53253-0810
1
2
3
4
5
6
7
8
9
10
CN1
53253-1010
+3.3D
GND
3
1 2
SW26
D51D D52D
C14
220P
GND
+3.3D
GND
C4
0.1u
GND
GND
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
C15
220P
GND
C13
220P
GND
KBD0
KBD1
KBD2
KBD3
KBD4
WIRE2,WIRE4 MODEL TYPE MODEL NAME
WIRE2:HNS‑3631 61key X4130
WIRE4:HNS‑3632
WIRE2:NO MOUNT 49key
WIRE4:NO MOUNT

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Date: 6-Jan-2005 Sheet of
File: E:\USER\DESIGN\BANANA\BananaKB\BananaKB.DdbDrawn By:
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1 2
SW51
3
1 2
SW52
3
1 2
SW53
3
1 2
SW54
3
1 2
SW55
3
1 2
SW56
3
1 2
SW57
3
1 2
SW58
3
1 2
SW59
3
1 2
SW60
3
1 2
SW61
3
1 2
SW50
D101D D102D D103D D104D D105D D106D D107D D108D D109D D110D D111D D112D D113D D114D D115D D116D D117D D118D D119D D120D D121D D122D D99D D100D
A1
B2 C3
G1 6
G2A 4
G2B 5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16 GND 8
IC3
74HC138
KLM-2665 Circuit Diagram
1
2
3
4
5
6
7
8
CN4
53253-0810
1
2
3
4
5
6
7
8
9
10
CN2
53253-1010
+3.3D
GND +3.3D
GND
C5
0.1u
GND
52 53 54 55 56 57 58 59 60 61 62 63
GND
C19
220P
GND
C20
220P
GND
C21
220P
GND
KBD0
KBD1
KBD2
KBD3
KBD4
IC3,C5 MODEL TYPE MODEL NAME
IC3:SN74HC138N 37key
C5 :E6Y5V1B104Z
IC3:NO MOUNT 61key X4130
C5 :NO MOUNT

X50 TEST MODE
How to enter the TEST MODE
[MENU/OK] + [PROGRAM A] & POWER ON: FULL INSPECTION
[MENU/OK] + [PROGRAM B] & POWER ON: INSPECTION WITHOUT INTERNAL TEST
[MENU/OK] + [PROGRAM D] & POWER ON: INSPECTION WITHOUT MIDI/USB
[EXIT/CANCEL] + [PAGE+] & POWER ON: INITIALIZE OF MEMORY
[EXIT/CANCEL] + [MENU/OK] & POWER ON: Loading the Preload Data
[EXIT/CANCEL] + [PAGE-] & POWER ON: Display of the Version (Right bottom of the Initial
Screen)
How To Operate in the TEST MODE
[ENTER]: Proceed the test
[PAGE +]: Proceed the test item
[PAGE -]: Return to the former test item
CLICKABLE POINTER →: Proceed the step
CLICKABLE POINTER ←: Return to the former step
[AUDITION]: ENCORDER RESET
[SELECT]: MEMORY REPORT
[MENU/OK]: YES (OK)
[EXIT/CANCEL]: NO (CANCEL)
CAUTION
*During the inspection, you can adjust the contrast by rotating the ENCODER.
But rotating the ENCODER too fast causes that you cannot read the display sometime.
Because the software gives the priority to the internal processing than display.
*X50 needs the calibration of WHEEL, so after repairing do the calibration of the JOYSTICK.
When an error happened in the FULL inspection, you can proceed to the next inspection by pushing
[MENU/OK].

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KORG X50-61 Parts List
Part No. Part Name QTY
500600006512 SC-1800-S02LY (SAA) (AC CORD 240AU) (1)
500600006510 UC-1800-U02LY (UL) (AC CORD120UL/CN/EX) (1)
500600006509 EC-1800-E02LY (VDE) (AC CORD 230GE/FR/WG) (1)
500600006513 AC CORD DC-1800-D02LY (PSE) (100JP) (1)
500600006511 BC-1800-B02LY (BS) (AC CORD 230UK) (1)
510360520005 VR RK1631110G1T 10K B curve (D) 2
510313501501 LCD AGFM00039E02(Positive Type) 1
500405015300 AC Adaptor KA310 (DSA-0151AD-12A) 1
510470521039 Harness HNS-3620 (Main-Power) 1
510470521040 Harness HNS-3621 (Main-Panel L:LED) 1
510470521041 Harness HNS-3622 (Main-Panel L:Analog) 1
510470521042 Harness HNS-3623 (Main-Panel L:PWR/SW) 1
510470521043 Harness HNS-3624 (Main-Keyboard) 1
510470521045 Harness HNS-3626 (Panel L-PanelR:LED/ENC 1
500646084200 BL PLATE PC Clear KOC-E40550 1
510470521046 Harness HNS-3627 (Panel L-Panel R:SW) 1
510470521047 Harness HNS-3628 (Panel L-Wheel) 1
510470521048 Harness HNS-3629 (Main-Panel L:MVolume) 1
510470521049 Harness HNS-3630 (Main-Headphone) 1
510470521064 Harness HNS-3741 3
510649500001 X-4130 UPPER CASE ASSY KOC-H30309 1
510649500002 X-4130 LOWER CASE ASSY KOC-H30310 1
510630500501 X-4130 SHIELD SHEET-1 KOC-F30121 1
510630500502 X-4130 SHIELD SHEET-2 KOC-F30122 1
510630500503 X-4130 SHIELD SHEET-3 KOC-F20115 1
500620018201 PSW KNOB KOC-E40224 EXP 1
500620036001 X-610 ENCODER KNOB KOC-E40466-3 1
510640502501 Earth Spring (K) t=0.2mm KOC-C41167 6
510649500003 X-4130 JACK PANEL ASSY KOC-H40236 1
510646502503 X-4130 LCD WINDOW KOC-E40662 1
510646502504 X-4130 PANEL SHEET-1 KOC-E30421 1
510646502505 X-4130 PANEL SHEET-2 KOC-E30422 1
510646502083 X-4130 SLIDER KNOB KOC-E30417 1
510646502084 X-4130 ROTARY KNOB-1 KOC-E30418 4
510640505544 X-4130 JACK PLATE KOC-C30710 1
510640505545 X-4130 PCB CHASSIS KOC-C20438 1
510640505503 Wheel Angle SECC t=1.0mm KOC-C41269 2
510640504016 Wheel Spring Dia. 1.0 KOC-C41278 1
510646502008 Wheel Knob ABS-HB KOC-E30289 2
510500505503 EPDM E-4088 t0.4 INOAC KOC-F41020 1
510500505504 CR C-4305 t0.8 INOAC KOC-F41021 1
510646502508 DIFFUSION SHEET KOC-F41017 1
510646502509 REFLECTION SHEET KOC-F41015 1
510646504147 JS KNOB KOC-E30383 1
510646504140 OVAL BUTTON (4-KEY) KOC-E20257 9
510640507003 X-4130 PIPE KOC-C41454 2
510646502085 KEY ASSY 12(M)KOC-H30305-1 4
510646502086 KEY ASSY 13(M) KOC-H30306-1 1

2/4
Part No. Part Name QTY
510500504502 QMWG6015CAK,12keys 4
510500504501 QMWG6014CAK 13keys 1
510C15332663 KLM2663 X50-61 (ASS'Y) 1
510310520501 Diode 1SS133 T-77 (LEAD) (5K/Reel) (D) 50
510320516052 IC SN74HC138N 1
510474520019 Wafer JS-1125-07 (for Volume) (D) 1
510474520021 Pin Header JS-1125-10 (For LCD) (D) 1
510470521050 Harness HNS-3631 (Keyboard-Keyboard) 1
510470521051 Harness HNS-3632 (Keyboard-Keyboard) 1
500641042011 EARTH TERMINAL T10359 1
510C15332664 KLM2664 X50-61 (ASS'Y) 1
510310520501 Diode 1SS133 T-77 (LEAD) (5K/Reel) (D) 48
510320516052 IC SN74HC138N 1
510474523007 Ribbon Cable Connector 52147-0810 1
510474523008 Ribbon Cable Connector 52147-1010 1
510470521050 Harness HNS-3631 (Keyboard-Keyboard) 1
510470521051 Harness HNS-3632 (Keyboard-Keyboard) 1
500641042011 EARTH TERMINAL T10359 1
510C15332665 KLM2665 X50-61 (ASS'Y) 1
510310520501 Diode 1SS133 T-77 (LEAD) (5K/Reel) (D) 24
510474523007 Ribbon Cable Connector 52147-0810 1
510474523008 Ribbon Cable Connector 52147-1010 1
500641042011 EARTH TERMINAL T10359 1
510C15332677 KLM2677/84 X50-61 (ASS'Y) 1
510402511008 CHIP INDUCTOR BLM18BB121SN1D 1
510402511007 CHIP INDUCTOR BLM18HD102SN1D 40
510300511504 Transistor 2SC3661-TB-E (S) 6
510300510503 Transistor 2SA812-T1B M5-7 M6 Rank (S) 1
510310510502 Diode MC2840-T112-1 (S) 4
510310511507 Diode RLS-73 TE-11 (S) 1
510320516060 Logic IC SN74LVC2G32DCTR SM-8 1
500320004715 CPU HD6417705F100BV FP-208 1
500320052002 NAND FLASH HY27US08281A-TPCB 1
500324026008 IC MT48LC4M16A2P-75;G 1
500320012223 TGL96 MB87F1710PFV-G-BND QFP208 1
510320519509 MX23L25611MC-12G(X-5110L)256Mb SSOP70 1
510320519510 MX23L25611MC-12G(X-5110H)256Mb SSOP70 1
500324021160 OPAMP NE5532DR SOP8 2
510320517004 IC INVERTER TC7WU04F (SM8) / (FM8) (S) 1
510320516061 Logic IC SN74LVC2G04DCKR SC-70 1
510320516062 Logic IC SN74LVC2G08DCTR SM-8 1
510320516063 Logic IC SN74LVC1G04DCKR SC-70 1
510320516064 Logic IC SN74LVC2G06DCKR SC-70 1
510320516038 Logic IC SN74LVC1G08DCKR DCK6 2
510320516065 Logic IC SN74LVC1G19DCKR SC-70 1
510320512503 Regulator IC UPC78L05T-E2 SC-62 1
510320511026 OPAMP NJM4556AL-#ZZZB 1
510320513508 Reset IC R3112N271A-TR SOT-23-5 1
510320516066 Logic IC SN74AHCT541NSR SOP20 4

3/4
Part No. Part Name QTY
510320516048 IC logic SN74AHCT541PWR(TS)SSOP20 2
510320516015 IC logic IC SN74LV4052ANS (TS) (S) 1
510320519507 EEPROM 93LC66BT-1/SN SOP8 1
510320516067 Logic IC SN74LVCC3245APWR TSSOP24 2
510320516068 Logic IC SN74LV541ANSR SOP20 3
510320516069 D/A Converter PCM1781DBQR 2
500324006007 IC MSM5118165F-60JSR1 (S) 1
510320519508 Regulater IC LM1117MPX-ADJ SOT-223 1
510330510501 Photo coupler PS9121 SOP5 1
500335011900 Crystal CA-301 24.576MHZ CL=10PF 1
500335400290 CERAMIC RESONATOR CSTCE12MOG15075-RO 1
510402511003 Chip Solid Inductor BLM18BD102SN1D (S) 14
510450520012 Phone Jack PJ-603 (D) 7
510450520506 DIN JACK 5p DS-05-02(W/OUT SW) (D) 2
510474520006 Wafer JS-1125-06 OR B6B-PH-K-S (D) 1
510474520012 Wafer JS-1132-03 (B3B-EH-A) (D) 2
510474520029 Wafer JS1132-06 (D) 1
510474520019 Wafer JS-1125-07 (for Volume) (D) 1
510474520077 JS-1125-11 (B11B-PH-K-S) (D) 1
510474520022 Pin Header JS-1125-15 (For JACK) (D) 1
510474526002 Connectors B16B-PHDSS 1
510474520045 Connector JS1125-16 1
510474520501 USB Connector B Type GE813A02 (D) 1
510450528002 Mini Phone Jack LGY2502-0200FC SMK 1
500320012353 NOR FLASH MBM29LV004TC-90TN(X4130/4140) 1
500219401920 EMI FILTER NFM21PC104R1E3D 3
510C15332678 KLM2678/79 X50-61 (ASS'Y) 1
510402520502 EMI Filter DST9ND31H223Q92A (TR) (D) 1
510210510501 Common Mode Filter M-522CT (S) 1
510310511518 Schottky Diode RB160L-40TE25 SOD-100 1
510312523001 LED Dip NSPWF50BS 2
510320520510 NJM7805DLA/1A-TE1-#ZZZB(TS) 1
510320514024 Regulator IC BA33BC0-FP 3.3V 1A TO-252 1
510450523010 LED Spacer L=5.0mm LEDH-5 (3hcle) (D) 2
510374520007 Power switch PSW SDKLA10200 (D) 1
510450528001 DC Power Jack LGP6531-0700 1
510474520075 JS1132R-6 (S6B-EH) 1
500474043200 FFC CONNECTOR XF2M-3315-1A 2
510470521044 Harness HNS-3625 (Main-LCD) 1
510C15332680 KLM2680/81 X50-61 (ASS'Y) 1
510310510503 Diode,double Diode MC971-T112(TR) 21
510312512008 LED SLR-325VR-T31-K/L/M/N(TR) 15
510312513011 LED SLR-342VRTE7 4
510300511022 Digital Tr DTB113ES (D) 7
510300511021 Transistor DTC114ESA TP (S) 11
500370005000 Rotary Encoder EC11B15204A5 (D) 1
510320516052 IC SN74HC138N 1
510320523001 Logic IC SN74HCT138N DIP16 1
510320520003 Logic IC HD74HC125P DIP14 1

4/4
Part No. Part Name QTY
510374520021 Tact Switch SKRGAQD010 9.5mm 1.27N 36
510360520013 RK09K1130CBU10KB(F2366319M) 4
510360520016 Stick Controller RKJXP1224002 1
510360523001 Slide VR EWA NA0C10B14 1
510474520075 JS1132R-6 (S6B-EH) 1
510474520076 JS1132R-10 (S10B-EH) 2
510474520031 Wafer JS-1125R-06 (D) 1
510474520032 Wafer JS-1125R-07 (D) 1
510474520072 Harness JS-1125-11R(for Power)11pin 1
510474522501 Pin Header (Side) JS-1125 R -13 (D) 2
510474522502 Pin Header (Side) JS-1125 R -15 (D) 1