Hammond XK-3 Service Manual
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Hammond XK-3 Service Manual

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See also: Owner's Manual
SERVICE MANUAL
CAUTION !
see safety notice inside
NOV.2004
SUZUKI MUSICAL INST.MFG.CO.,LTD.
25-12,RYOKE 2-CHOME,HAMAMATSU, JAPAN

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  • Page 1 SERVICE MANUAL CAUTION ! see safety notice inside NOV.2004 SUZUKI MUSICAL INST.MFG.CO.,LTD. 25-12,RYOKE 2-CHOME,HAMAMATSU, JAPAN...
  • Page 2 SAFETY NOTICE Great care has been taken in the design and manufacture of this product to assure that no shock hazard exists on any exposed metal parts. Internal service operations can expose the technician to hazardous line voltages and accidentally cause these voltages to appear on exposed metal parts during repair or reassembly of product components.

  • Page 3: Table Of Contents

    XK-3 -Table of Contents- 1.SPECIFICATIONS 2.BLOCK DIAGRAM 3.TEST AND ADJUSTMENT 4.WIRING CONNECTION 5-1 ~ 5-5 5.WIRING CHART 6.PRINTED WIRING BOARD ASS'Y LIST 7.SCHEMATICS 7-1 ~ 7-8 MGH-91A 1/8~8/8 PAH-72A 7-10 MXH-35A 7-11 SWH-503A/VRH-29A 7-12 SWH-503A/504A 7-13 IFH-18A PSH-72B 7-14 7-15...

  • Page 4: Specifications

    XK-3 1.Specifications 73(61+12 PRESET KEYS) - WATAR FALL KEYS with VELOCITY Keyboard Drawbars 3Sets of DRAWBARS, 9-UPPER, 9-LOWER, 2-PEDAL 96 DIGITAL TONE WHEELS Generator Waveform B-3 LONG LOOP SAMPLING (SAME as New B-3) FULL POLYPHONY Polyphony Internal Memory 11 PRESETS x 12 BANKS + CANCEL...

  • Page 5: Block Diagram

    XK-3 PAH-72A HEATER DRAWBAR PANEL ASSY MANUAL KEYBOARD ASSY(BH-73L) Tube Pre Amp J302 J306 KCH-17A KCH-18A KCH-16A HF,LF OUT V HF,LF IN V DB-509E DB-509E (12PRESETS) (32KEY CONTACTS) (29KEY CONTACTS) LOWER DB UPPER DB HF IN HF OUT J801 J802 H F LEV.ADJ.

  • Page 6: Test And Adjustment

    XK-3 XK-3 TEST & ADJUSTMENT SETTING STEP SUBJECT PLAY KEYS TEST POINT ADJUSTMENT POINT SPECIFICATION NOTE 4--1 a AC Power Supply 100V, 120V, 220-230V, 230-240V AC LINE See below b DC Power Supply PSH-72B J2-3 DC +5V ±5% +15V MXH-35A PSW-2 DC +15V ±5%...

  • Page 7: Wiring Connection

    XK-3 PEDAL UPPER DRAWBAR LOWER DRAWBAR DRAWBAR DB-209E DB-209E DB-202H LESLIE 11PIN WR-XK3-N J515 J514 J513 J512 DRAWBAR PANEL K3 ASS'Y POWER SWITCH INLET IFH-18A FERRITE CORE WR-XK3-Y BOTTOM PANEL K3 ASS'Y WR-XK3-X WR-XK3-U J105 PSH-72B TRANS J202 PSH-83D J302...

  • Page 8: Wiring Chart 5-1

    5.WIRING CHART XK-3 J802-5 GRY J110 KCH-18A KSELF1 MAIN MGH-91A -6 GRY -7 GRY KSELS1 PLUG FROM TO PLUG WIRE TO PWB FUNCTION -8 GRY No. PIN No. & PIN No. COLOR NAME -9 GRY J101 KSELF2 J2-4 BLK -10 GRY...

  • Page 9: Tube Preamplifier Pah-72A

    XK-3 MIXER & JACK MXH-35A MAIN J118-2 BLK MGH-91A D GND MGH-91A J201 J118-6 YEL MGH-91A D GND PLUG FROM TO PLUG WIRE TO PWB FUNCTION -5 ORG No. PIN No. & PIN No. COLOR NAME LES DETECT J117 J503-2 GRY...
  • Page 10 XK-3 MIXER & JACK SW CPU MXH-35A SWH-496A J521-6 BLU PLUG FROM TO PLUG WIRE TO PWB J506 SWH-504A LED5 FUNCTION J521-7 VIO SWH-504A LED6 No. PIN No. & PIN No. COLOR NAME J208 J304-1 ORG PAH-72A +15V J115-1 ORG...

  • Page 11: Endblock L Sw Swh-505A

    XK-3 J514 DB-509E LM D/B PANEL SW R SWH-504A 11/3' PLUG FROM TO PLUG WIRE TO PWB FUNCTION 22/3' No. PIN No. & PIN No. COLOR NAME J523-1 GRN J522 COM5 51/3' SWH-504A(3/3) J524-1 BLU LED14 SWH-504A(2/3) J524-3 VIO LED13...

  • Page 12: Preset Key Contact Kch-16A

    XK-3 PRESET KEY CONTACT KCH-16A FROM TO PLUG WIRE TO PWB PLUG FUNCTION No. PIN No. & PIN No. COLOR NAME FJP1 FJPI-1 BLK KCH-17A KD10 KD11 KD12 KD13 KD14 KD15 FJP2 FJP-2 BLK KCH-17A KSELF5 KSELS5 KSELF4 KSELS4...

  • Page 13: Printed Wiring Board Ass'y List

    6.PRINTED WIRING BOARD ASS'Y LIST XK-3 FUNCTION PWB.NAME PART No. MAIN MGH-91A 00228-24286 TUBE PREAMPLIFIER PAH-72A 00219-54211 MIXER & JACK MXH-35A 00230-07206 PANEL SW - L SWH-503A 00225-41286 VIBRATO ROTARY SWITCH VRH-29A 00225-42201 PANEL SW - R SWH-504A 00225-41291 ENDBLOCK L SW...
  • Page 14 XK-3 A[0..17] A[0..17] D[0..15] D[0..15] S RAM CE M_VASE_CE S RAM CE M_VASE_CE CARD_CE S_VASE_CE CARD_CE S_VASE_CE DSP_CE G_VASE_CE DSP_CE G_VASE_CE LCD_CE M CSB LCD_CE KEYSCAN_CE KEYSCAN_CE MIDI OUT M CSB SIO_CE 16OUT CE MIDI OUT SIO_CE 16OUT CE LED_CE...
  • Page 15 XK-3 KD[0.. 7] KD[0.. 7] D[0..15] D[0..15] NOT USED EXT KEYSCAN I/F LED INTERFACE 4-100 J109 J106 U17A LED_CE LED OUT0 LED OUT1 LED OUT2 74LV32APW 4-100 LED OUT3 LED OUT4 LED OUT5 LED OUT6 KEYSCAN_CE 4-100 4-100 IREQ COMSEL 0...
  • Page 16 XK-3 R200 C171 +3.3VD +1.25VD C172 10uF/20V OS 10uF/20V OS C125 0.1u CVDD J112 C142 DVDD CVDD C126 0.1u 0.1u DVDD CVDD 10uF/20V OS RA12 RA13 DVDD CVDD C143 C127 BMD3 BMD11 0.1u 0.1u C165 C168 DVDD CVDD 10uF/20V OS...
  • Page 17 XK-3 FSX0 CLKX0 MCS1 R238 P2_ADMCK C205 PCM1791ADB 390pF MUTE R110 1800 R227 680 U62A LRCK +3.3VDP 3300pF DATA R226 MUTE +5AN R111 NJM4580M MSEL 1800 10uF/50V ZEROL R239 C206 ZEROR 0.1u 390pF 0.1u DGND VCCF AGNDF VCCL VCCR AGNDL...
  • Page 18 SLAVE VASE3 uPD6594GJ-151-JEU XK-3 PIA1 ESCKO PIA2 ELRCKO P2_LRCK P2_LRCK PIA3 P2_SCK P2_SCK PIA4 WCLKO MIX_DOUT 2S_LRCK MIX_DOUT PIA5 LRCKO 2S_LRCK ADMCK 2S_SCK NOT USED ADMCK PIA6 SCKO 2S_SCK PP_DOUT TEST OUT PIA7 DOUT PP_DOUT UL_DOUT PIA8 EXOUT1 UL_DOUT J113...
  • Page 19 Xk-3 +3.3VD FL43 +3.3VD NOT USED 0.1u R126 R142 EMD0 CLK IN R127 R143 EMD1 FB2 EXCCET103U R144 EMD2 SG-636PCE 25MHz CLKOUT2 R145 +3.3VD EMD3 10uF/20V OS CLKMODE0 EMD4 R146 PLLVH R147 EMD5 R148 EMD6 C173 0.1u R149 EMD7 +3.3VD...
  • Page 20 XK-3 FL45 R178 FL46 2SA1588Y 1000 C217 0.1u [FRONT VIEW] MIDI OUT C225 FL47 0.1u 1SS181 C223 MIDI OUT 0.01u R135 FL48 PED MIDI IN PC400V [FRONT VIEW] LM MIDI IN C224 1SS181 PEDAL MIDI IN 0.1u C222 FL49 R136 0.01u...
  • Page 21 XK-3 AK[1.. 11] AK[1.. 11] DK10 DK11 DK12 DK13 DK14 DK15 U3 CS0 AK10 BOOT CONECT NOT USE AK11 DK10 AK12 DK11 AK13 DK12 AK14 DK13 R190 R189 AK15 DK14 C232 J119 AK16 DK15 H8/3007 0.1u TXDU3 AK17 AK18 U3 CS1...

  • Page 22: Pah-72A

    XK-3 V1B 12AX7 V2A 12AX7 0.1u 250V C5 0.022u R57 1 k 2.2u/50V MS -15V R40 10k R19 22k 3300p -15V 100K 2.2u/50V MS 0.1u 250V 470k 4700 1/2W 100k R3 10k 2.2u/50V MS 1u50v 220K 1SS133 HF LEVEL NO USE...

  • Page 23: Mxh-35A

    XK-3 to MGH-91A to PAH-72A To Leslie 11 pin RL2A LES ROT J204 ROTARY 4700 1000p STATIONARY L 0.1u LES Lch G6S-2 STATIONARY R LES OFF 220p RL2A J202 J203 AUDIO GND FB22 2SA933S B4B-PH-KS B7B-PH-KS CONTROL GND JUMPEROFF 1000p...

  • Page 24: Swh-503A/Vrh-29A

    J506 TO SWH504A J520 XK-3 S8B-PH LED0 TD62003P COM2 J505 TO SWH505 LED1 TD62003P MXH-35A J206 FROM WHEEL ASSY OUT L IN L J502 J507 MXH-35A J206 J509 R31 100 OUT R LED2 MXH-35A J206 TD62003P CAL0 PICH IN IN R...

  • Page 25: Swh-503A/504A

    XK-3 WR-XK3-J 1/2 J521 FROM SWH503A J506 (B7B-PH) LED6 LED5 LED4 PERCUSSION SWH-504A 1/3ASSY LED3 LED2 Not Used Not Used LED1 SECOND THIRD FAST SOFT EXT V1 EXT V2 EXT V3 EXT V1 EXT V2 EXT V3 SECOND THIRD FAST...

  • Page 26: Ifh-18A

    XK-3 +5VAN 1000u/6.3V 0.1u R13 100 A/D OUT R14 100 J512 J511 +5VAN R15 100 ANSEL1 R16 100 ANSEL2 1 3/5' R17 100 R18 100 1 1/3' 2 2/3' R19 100 +5VAN 5 1/3' R20 100 0.1u B12B-XH-A +5VAN (B12B-PH)

  • Page 27: Psh-72B

    XK-3 +18V MXH-35A J207-2 NOT USED MXH-35A J207-3 2SC2655Y -18V MXH-35A J207-6 2SA1015Y 5045-08A 10u/50V 1800 RD6.2EB2 1S1885 1S1885 100u/50V 1S1885 120k 1SS133 3300 uPC7818HF DBF10C T800mA from POWER TRANS 2200u/35V 0.1u/50V 0.1u/50V 100u/35V EPH-119 T800mA 2200u/35V 100u/35V 0.1u/50V 0.1u/50V...

  • Page 28: Psh-83D

    XK-3 0.01uF/250V DE2F3KH103MA3B 5273-03A out of P.W.B. AC IN 1000pF/250V 5277-02A 0.047uF/250V DE1E3KX102MA5BA01 POWER SWITCH R46KI2470M PLAA1522ROROB1 100V AJ7213B 1000pF/250V 120V DE1E3KX102MA5BA01 220V AC100~120V T1.0AL / 250V 5273-03A 240V AC220~240V T500mAL / 250V HXW0131-01-040 5195-09 VOLTAGE FUSE CLIP SELECTOR SWITCH 085PN-0829(0819) 0.01uF/250V...
  • Page 29 XK-3 J802 18F0 18S0 18F1 18S1 18F2 18S2 18F3 18S3 XG4A-1634 18S3 18S0 18S1 18S2 18F3 18F0 18F1 18F2 KCH-18A 16F4 16F5 KCH-16A 16S4 16S5 FJP1 KCH-17A KD10 KD11 KD12 KD13 KD14 KD15 17F5 17S5 J801 XG4A-2034 17S4 17F4 17F0...

  • Page 30: Parts List 8-1

    XK-3 8.PARTS LIST 1.TOTAL ASS'Y(66681-01101) 00623-53006 Tapping Screw TYPE2(3x6,Bind,ZnB) 00703-24010 Machine Screw(M4x10,Oval Head,ZnB) Machine Screw(M4x5,Bind,ZnB) 00703-54005 Rosette Washer (Ø5,ZnB) 00750-04002 66681-02101 Top Panel K3 Ass'y 00451-40475 Drawbar Cover K3 66681-03301 Drawbar Panel K3 Ass'y 66681-03101 Bottom Panel K3 Ass'y 00703-53006...
  • Page 31 XK-3 or or Machine Screw(M3x6,Bind,ZnB) 00703-53006 Top Board K3 Ass'y 66681-04101 Screw(4x16,Truss,ZnB) 00703-64016 Product Label 100V 00412-02079 Product Label 120V UL 00412-02080 Product Label 220 ~ 230V CE 00412-02081 Product Label 230 ~ 240V 00412-02082 2.TOP PANEL ASS'Y(66681-02101)
  • Page 32 XK-3 00452-40080 PWB Spacer 00623-53008 Tapping Screw TYPE2(3x8,Bind,ZnB) (Accessory) Hexagon Volume Nut(M9) 00451-40206 Spring Plate for Rotary Knob Lens(Single) 00122-04108 Lens K3 00452-40176 Top Panel K3(Silk) 00451-40465 SW PWB K3-L Ass'y 66681-02301 Tapping Screw TYPE2(3x6,Bind,ZnB) 00623-53006 SW PWB K3-R Ass'y...
  • Page 33 XK-3 3.BOTTOM PANEL ASS'Y(66681-03101) Main Board Cover Friction Sheet PSH 00402-16019 Friction Sfeet PAH72 00453-40232 Tapping Screw TYPE1(3x8,Bind,ZnB) 00613-53008 Tapping Screw TYPE2(3x6,Bind,ZnB) 00623-53006 S Tite(4x10,Truss,ZnB) 00673-64010 Tapping Screw TYPE1(4x16,Truss,ZnB) 00613-64016 Tapping Screw TYPE2(4x20,Truss,ZnB) 00623-64020 Tapping Screw TYPE2(4x8,Bind,ZnB) 00623-54008 Metal Fittings L(60x10)
  • Page 34 XK-3 19 26 00453-40235 PSH-72B PWB Ass'y 00224-18207 Bush Spacer(3x5,ZnY) 00453-40223 MXH-35A PWB Ass'y 00230-07206 Grommet G105 00755-44000 MGH-91A PWB Ass'y 00228-24286 Toothed Lock Washer(Ø4,ZnY) 00219-54211 Wiring WR-XK3-S 00443-01324 PAH-72A PWB Ass'y 00703-23012 Wiring WR-XK3-Y 00443-01329 Machine Screw(M3x12,Oval Head,ZnB) 00452-40094...
  • Page 35 XK-3 4.DRAWBAR PANEL K3 ASS'Y(67273-02115) IFH-18A PWB Ass'y 00232-14271 Drawbar Panel K3 00451-40468 DB-502H Ass'y 00278-02209 DB-509E Ass'y 00278-09243 Machine Screw(M3x4,Pan Head,ZnB) 00703-43004 Tapping Screw TYPE2(3x6,Bind,ZnB) 00623-53006 Grommet NGK-012 00340-09010 Coating Clip CS-2 00401-03023 5.ENDBLOCK K3-L ASS'Y(66681-03401) SWH-505A PWB Ass'y 00225-41296 Tapping Screw TYPE2(3.5x8,Bind,ZnB)
  • Page 36 XK-3 6.TOP BOARD K3 ASS'Y(66681-04101) Tapping Screw TYPE1(3x8,Bind,ZnB) 00613-53008 Top Board K3 00450-40667 Top Board BKT K3 00451-40473 7.SWITCH PWB K3-L ASS'Y(66681-02301) Hexagon Nut TYPE1(M2,ZnW) 00724-12000 Spacer C2002.5-4 00453-40231 Key Top XB(I) 00452-40037 LCD Unit Ass'y 66681-02201 Key Top K3-R...
  • Page 37 XK-3 8.SWITCH PWB K3-R ASS'Y(66681-02401) SWH504A PWB Ass'y 00225-41291 Key Top XB(G) 00452-40038 Key Top XB(I) 00452-40037 Key Top XB(S) 00452-40039 9.BH-73L KEYBOARD ASS'Y(00289-01002) 23 24...
  • Page 38 XK-3 Pilot Rubber (S) 4P 00285-01125 KCH-17A PWB Ass'y 00229-22231 Pilot Rubber (L) 12P 00285-01124 KCH-18A PWB Ass'y 00229-22236 Down Stop Felt 00453-40109 PWB Spacer 00452-40080 Tapping Screw TYPE2(3x5,Bind,ZnB) 00623-53005 PWB Holder E-00-021 00289-01207 Level Felt 00289-01126 Down Stop Felt #73-1...
  • Page 39 XK-3 AC CORD SET 100V 00439-02002 120V UL 00439-01004 220V CE 00439-01005 240V BS 00439-01033 240V SAA 00439-01006 OPERATION MANUAL 100V (Japanese) 00457-40095 120V UL (English) 00457-40096 230V CE (English) 00457-40096 240V BS (English) 00457-40096 240V SAA (English) 00457-40096 8-10...

  • Page 40: Disassembling Procedure

    XK-3 9.DISASSEMBLING PROCEDURE CAUTION:First,Disconnect ORGAN from A.C.source. 1.REMOVE THE TOP BOARD: Remove the 4 screws(M3x6,Bind,ZnB) A from the top board. Remove the 4 screws(4x16,Truss,ZnB) B from the top board. 2.REMOVE THE DRAWBAR PANEL: THE TOP PANEL: Remove the 11 screws(Tapping TYPE 2, 3x6,Bind,ZnB) A from the drawbar panel.

  • Page 41: Warning

    XK-3 10.WARNING WARNING Batter y Replac ement HITACHI MAXELL SO N Y R e p l a ce b a t t e ry w i t h C R 2 0 3 2 Pa rt N o. On l y.

  • Page 42: Technical Description

    11.Technical Description 1. AC Line Filter (PSH-83D) The AC line filter board is comprised of inductor L1 and capacitors C1 – C5, a fuse and voltage selector switch. The line filter prevents noise from the organ leaving through the AC line cord. SW1 is voltage selector switch this allows selection of various line voltages available throughout the world to provide power for the organ.
  • Page 43 U11 is a monitor of the +5v and provides reset to main CPU, when this voltage falls. This circuit is used to switch the power supply of Backup SRAM to a battery (BAT1) simultaneously. 3-5. VASE3 Sound generator U36, U37 is generator LSI. This LSI reads the wave data from ROM (U38) and outputs it to DSP and D/A.
  • Page 44 These three boards contain the tab switches and LED indicators and controls for the entire organ. The SWH-503A contains the decoder and LED driver circuits for all of the switches on the XK-3. The SWH-504A and SWH-505A boards are wired to the SWH-503A board and utilize the decoder and LED driver circuits on the SWH-503A.
  • Page 45 CAUTION: The vacuum tube power supply voltage is 220VDC. There is a danger of electrical shock if you touch components in this circuit. Use caution when testing this circuit, damage will occur to the Main board and other ICs If you short the high voltage circuit to other components on the board.
  • Page 46 12 Reset To The Initial Status & Check The Software Versions Please perform the following steps to reset the XK-3 to the initial default setting. STEPS TO TAKE a. Switch off the power of the XK-3. b. Holding the [REC/JUMP] Button, switch on the power.

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