Hammond XK-3 Service Manual Download Page 15

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XK-3

00228-24286

MGH-91A

XK-3

C88

0.01u

D0
D1
D2
D3
D4
D5
D6
D7
CS
IREQ
RD
WR

GND

DIR

Vcc

GND

U19

74LV245APW

WRL

+5V

C89

0.01u

EXT KEYSCAN I/F

D0
D1
D2
D3
D4
D5
D6
D7

C/D

RES

CLK

RTS

SY/BR

TXEMP

DTR

TXRDY

CTS

DSR

RXRDY

TXD

RXD

TXC

RXC

Vcc

GND

U15

UPD71051GU
SIO 1

C29

0.1u

PED TxD
PED RxD
EXT RESET

PEDAL MIDI

8MHz

2M CLK

U1 Adress BUS

2
3
4
5
6

7
8
9

11
12
13
14

J109

B14B-PH

A/I 7

LED INTERFACE

KeyScan & I/O SIO

RA1

4-100

RA2

4-100

RA3
4-100

A[0..15]

A[0..15]

7-2

D0
D1
D2
D3
D4
D5

D6
D7

D10

D11
D12
D13

D15

D14

D0
D1
D2
D3
D4
D5
D6
D7

J108

B16B-PHDSS

FL17

C101

FL18
FL19
FL20
FL21
FL22

+5V

C102

C103
C104

C105

C106

C107

C108

+5V

FL24
FL25
FL26
FL27
FL28
FL29

R66
330

VSS

VDD

RS
E

R/W
DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

LCD I/F

PIN FUNCTION

LCD RS

B0
B1
B2
B3
B4
B5
B6
B7

+5V

C92
0.01u

D0
D1
D2
D3
D4
D5
D6
D7

LCD_CE

LCD R/W

LCD RS

LCD R/W

C109
C110
C111
C112

C113

VLED

VLSS

U8D

74LV04APW

U8C

74LV04APW

SIO RESET

U8B

74LV04APW

1
2
3
4
5

6
7
8
9

10
11
12

J106

B12B-PH

RA5

4-100

RA6

4-100

MIDI IREQ

C123
15pF

C124
15pF

R118

R120
470

U9C

74LVCU04APW

U9B

74LVCU04APW

R122

16MHz

16MHz2

RESET

DIR

Vcc

GND

U16

74LV245APW

C94

0.01u

LESLIE ON/OFF
DG
EXP.DC IN
LESLIE FAST

LESLIE DETECT
EXP FOOT SW

C95 0.01u

C96

0.01u

LES DETECT

C97

0.01u

R23

10K

R24

10K

+5V

LES ON/OFF

LES FAST
LES SLOW

DGND
KEY DOWN

RA7

4-100

RA8

4-100

EXP.DC

+5V

R115

100k

LESLIE SLOW

Vcc

GND

U13

74LV574APW

Vcc

GND

U14

74LV574APW

FOOT SW3

SIO_CE

KEYSCAN_CE

LED_CE

LCD_CE

EXP.DC

1
2

3
4
5
6

J107

B6B-PH

R26

10K

+5V

RA9

4-100

RA10

4-100

1
2

3
4
5
6
7

8
9

10
11
12

J118

B13B-PH

KEY DOWN

DB MUTE
MAIN OFF

KEY DOWN

U9A

74LVCU04APW

U9F

VCC

GND

U9G

SN74LVCU04APW

VCC

GND

U8G

74LV04APW

+5V

C228
0.1u

+5V

C227

0.1u

+5V

FL23

COM

1SS184

COM

D6
1SS181

+5V

C93

0.01u

33pF x 13

BLM21B102S x 13

FL44

MIDI IREQ

KEYSCAN_CE

PED MIDI IN

+5V

NOT USED

D[0..15]

D[0..15]

RA4

4-100

KD0
KD1

KD2

KD3

KD4
KD5

KD6

KD7

KD0
KD1

KD2

KD3

KD4
KD5

KD6

KD7

KD[0.. 7]

KEY IREQ

NOT USED

U9D

U9E

U8E

U8F

R25
10K

R210

18 1/2W DIP

1
2

U17A

74LV32APW

WRH

COMSEL 0
COMSEL 1
COMSEL 2

LED OUT0
LED OUT1

LED OUT2
LED OUT3
LED OUT4
LED OUT5
LED OUT6

LES SLOW
LES FAST

LES ON/OFF

EXT OUT1
EXT OUT2

DB MUTE
MAIN OFF
NC
NC

EXT OUT1
EXT OUT2

+5V

KEYSCAN RESET

Summary of Contents for XK-3

Page 1: ...SERVICE MANUAL SUZUKI MUSICAL INST MFG CO LTD 25 12 RYOKE 2 CHOME HAMAMATSU JAPAN 1 NOV 2004 CAUTION see safety notice inside...

Page 2: ...screw heads knobs and control shafts escutcheon etc and measure the voltage drop across the network Reverse the line plug and repeat the measurements Any reading of 4 volts RMS or more is excessive a...

Page 3: ...NG BOARD ASS Y LIST 7 SCHEMATICS MGH 91A 1 8 8 8 PAH 72A MXH 35A SWH 503A VRH 29A SWH 503A 504A IFH 18A PSH 72B PSH 83D KCH 16A 17A 18A 8 PARTS LIST 9 DISASSEMBLING PROCEDURE 10 WARNING 11 TECHNICAL D...

Page 4: ...OVER DRIVE 8 MODES BASS MID TREBLE PEDAL DRAWBARS PITCH BEND MODULATION SLOW FAST ON OFF BRAKE THRU ON V1 V2 V3 C1 C2 C3 With 6 POS ROTARY KNOB SECOND THIRD DECAY FAST SOFT MANUAL BASS SPLIT TUBE AMP...

Page 5: ...TONE EXP REVERB EFFECT U33 PCM1791 D A U37 VASE3 SLAVE 64POLY TONE GENERATOR VIBRATO CHORUS DIVIDING NET WORK AC 220V J110 J111 J115 SWH 505A LES SW ENDBLOCK ASSY WHEEL ASSY J530 KCH 17A 32KEY CONTAC...

Page 6: ...STA L LES1ch 2 or 3ch LESLIE OFF d STA R 4 4 a NOISE LINE OUT L b LINE OUT R c LINE OUT R ANY KEY d 11P ROT STEP SUBJECT PLAY KEYS AC LINE See below PSH 72B J2 3 DC 5V 5 MXH 35A PSW 2 DC 15V 5 MXH 35A...

Page 7: ...03 J505 J508 J507 J504 J509 J503 J501 J506 J502 FJ1 J510 SWH 503A SWH 503A SWH 504A 2 3 SWH 504A 3 3 SWH 504A 1 3 VRH 29A J520 J522 J521 PSH 72B J1 J2 J3 J4 AC INLET POWER SWITCH PSH 83D J14 J13 J11 J...

Page 8: ...7 17 GRY KSELF4 2 6 BRN LED 1 18 18 GRY KSELS4 3 7 RED LED 2 19 19 GRY KSELF5 4 8 ORG LED 3 20 20 GRY KSELS5 5 9 PNK LED 4 J114 1 J202 4 SHIELD MXH 35A A GND 6 10 GRN LED 5 2 J202 1 WHT MXH 35A PERCUS...

Page 9: ...8 3 BLK GND 6 6 BLU POWER ON 9 2 YEL 5V 7 7 VIO FAST 8 8 GRY SLOW 9 NC J301 1 J203 5 WHT MXH 35A A GND 10 NC 2 7 RED MIX OUT 11 11Pin 9 WHT LESLIE 11Pin B 3 6 SHIELD A GND J205 1 J116 11 RED MGH 91A...

Page 10: ...T D 11 7 BLU LED6 2 NC J503 1 J117 9 WHT MGH 91A D0 3 J104 1 ORG MGH 91A ROT IREQ 2 8 GRY D1 4 J104 3 BRN MGH 91A ROT R 3 7 VIO D2 FJ1 1 FJ1 1 BRN SWH 503 2 2 COM2 4 6 BLU D3 2 2 RED LED1 5 5 GRN D4 3...

Page 11: ...H 35A AG 3 9 GRY SEL2 J2 1 NC 4 8 VIO AN1 2 J101 4 YEL MGH 91A DG 5 7 BLU AN2 3 J501 1 YEL SWH 503A 5V 6 6 GRN AN3 4 J101 2 BLK MGH 91A 5V 7 5 PNK AN4 5 J 501 4 BLK SWH 503A RESET 8 4 ORG AN5 J3 1 J30...

Page 12: ...N No PIN No COLOR NAME FJP1 1 FJPI 1 BLK KCH 17A KD8 2 BLK KD9 3 BLK KD10 4 BLK KD11 5 BLK KD12 6 BLK KD13 7 BLK KD14 8 BLK KD15 FJP2 1 FJP 2 BLK KCH 17A KSELF5 2 BLK KSELS5 3 BLK KSELF4 4 BLK KSELS4...

Page 13: ...7206 PANEL SW L SWH 503A 00225 41286 VIBRATO ROTARY SWITCH VRH 29A 00225 42201 PANEL SW R SWH 504A 00225 41291 ENDBLOCK L SW SWH 505A 00225 41296 DRAWBAR I F IFH 18A 00232 14271 POWER SUPPLY PSH 72B 0...

Page 14: ...100 R81 100 R82 100 R83 100 R84 100 R85 100 R86 100 R87 100 RESET M CSB M_VASE_CE KEYSCAN_CE LED_CE SIO_CE TXD1 RXD1 MD1 RESET FWP 5V GND AN3 AN4 AN5 AN6 AN7 AN2 GND ANSEL0 ANSEL1 5V AN1 PE2 ROT R ROT...

Page 15: ...15pF C124 15pF R118 1M R120 470 5 6 U9C 74LVCU04APW 3 4 U9B 74LVCU04APW R122 10 X2 16MHz 16MHz2 RESET A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B0 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 E 19 DIR 1...

Page 16: ...K9 Vss L9 Vss L10 Vss L11 Vss L12 Vss M9 Vss K10 Vss M10 Vss M11 Vss K12 Vss C6 Vss M12 CVDD A4 Vss Y20 U2B TMS320C6711CGDP R27 10K 3 3VD D15 RD2 2FB2 1W DIP 3 3VD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...

Page 17: ...ND 8 LRCK 1 SCK 5 VDD 7 BCK 2 DATA 3 AGNDR 11 VOUTR 12 AGNDF 9 RST 6 MS 28 MUTE 4 ZEROR 22 MDO 25 MC 27 VCCR 10 VCCL 20 AGNDL 19 VOUTR 13 VCOM 14 VCCC 15 AGNDC 16 VOUTL 17 VOUTL 18 VCCF 21 ZEROL 23 MS...

Page 18: ...WMD14 27 WMD15 26 WMOEn 24 WMWEn 23 EMA16 ERASN 103 EMA15 ECASN 104 EMWEn 132 Vdd 126 NC 76 WMCS0 22 WMCS1 21 WMCS2 20 WMCS3 19 ADMCK 47 EXIN1 96 EXIN2 97 EMD0 131 EMD1 130 EMD2 129 EMD3 128 EMD4 127...

Page 19: ...HWIL H20 HCS F20 HD15 B14 CLKS0 K3 CLKR0 H3 HD11 A16 HD13 A15 HD12 C15 HD14 C14 RESET A13 HRDY H19 EXT_INT5 C1 EXT_INT6 D2 HDS2 F18 HDS1 E19 EXT_INT7 E3 CLKS1 E1 CLKR1 M1 DR1 M2 FSR1 M3 ED14 T20 ED15...

Page 20: ...0460 C219 0 1u SB3 SBT0460 C220 0 1u SB4 SBT0460 C221 0 1u 5V 5V R179 1000 R119 1M R180 1000 R136 330 R74 220 R75 220 X0 12 X1 14 X2 15 X3 11 Y0 1 Y1 5 Y2 2 Y3 4 INH 6 A 10 B 9 X 13 Y 3 GND 8 VCC 16 V...

Page 21: ...8 9 10 11 12 13 14 15 16 17 18 19 20 J111 XG4A 2031 FL53 FL58 FL59 FL60 FL61 FL62 FL63 FL54 FL55 FL56 FL57 DK0 DK1 DK2 DK3 DK4 DK5 DK6 DK7 DK8 DK9 DK10 DK11 DK12 DK13 DK14 DK15 KSELF4 KSELS4 KSELF5 KS...

Page 22: ...7 2 2u 50V MS C8 2 2u 50V MS 15V R32 220K C20 NO USE C31 1u25V 220V 250VAC 250VAC AG OUT AG LF OUT V HF IN V HF OUT V LF IN V HF ATT R50 NU R45 10K R54 4700 NC R56 10K R51 10K R53 4700 Q2 2SC2878 5V Q...

Page 23: ...50V MS 3 2 1 U3A uPC4570C C17 1800p C18 330p R21 10k R100 15k R22 10k R24 1k C16 2 2u 50V MS 5 6 7 U3B uPC4570C D1 1SR139 400 8 4 U3C UPC4570C MAIN R NC R94 100k R38 680 D4 1SS133 C48 0 1u 25v HEAD P...

Page 24: ...100 1 2 3 4 5 6 7 8 9 J503 S9B PH SW8 COM0 COM3 LED2 1 2 3 4 5 6 7 8 9 10 J509 B10B PH COM1 COM5 1 3 2 1 3 2 VR1 RK14K12D 5KB MASTER VOLUME MXH 35A J206 MXH 35A J206 MXH 35A J206 IN R AG OUT R 1 3 2 V...

Page 25: ...SW 0 SW 1 SW 2 LED 0 LED 1 COM 2 COM 4 SW1 SW 6 SW 8 LED 2 LED 3 SW7 SW 7 1 2 3 4 5 6 7 8 9 10 11 12 J520 B12B PH LED2 R2 68 LED7 R7 68 Bass SUS Bass SUS 1 2 3 4 5 J522 S5B PH SWH 505A ASSY ENDBLOCK L...

Page 26: ...A 4 2 1 1 3 5 8 16 1 1 3 2 2 3 5 1 3 NC R37 10 1 2 3 4 J513 B4B XH A PEDAL DRAWBAR 8 16 LOWER DRAWBAR 1 2 3 4 5 6 7 8 9 10 11 12 J514 B12B XH A 4 2 1 1 3 5 8 16 1 1 3 2 2 3 5 1 3 NC NC R25 10 R22 47 T...

Page 27: ...06AHF D1 DBF10C D4 DBF40C F2 T800mA F3 T800mA F4 T3 15A D5 1SS133 from POWER TRANS MXH 35A J207 2 MXH 35A J207 6 MXH 35A J207 3 18V AG 18V MGH 91A J101 4 MGH 81A J101 1 for Reset DG 5V 1 2 3 4 J3 5045...

Page 28: ...2 3 J13 5273 03A 1 2 3 J12 5273 03A SW1 HXW0131 01 040 R46KI2470M DE1E3KX102MA5BA01 DE1E3KX102MA5BA01 DE2F3KH103MA3B DE2F3KH103MA3B VOLTAGE SELECTOR SWITCH FUSE CLIP 085PN 0829 0819 100V 120V 240V AC...

Page 29: ...D23 B0 C0 FJP1 JUMPERMIN FJP2 JUMPERMIN 17S4 17F4 17F5 17S5 JUMPERMIN JUMPERMIN 18F0 18S0 18F1 18S1 18F2 18S2 18F3 18S3 17F4 17S4 17F5 17S5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J802 XG4A 1634 D4 D2...

Page 30: ...ZnB Machine Screw M4x5 Bind ZnB Rosette Washer 5 ZnB Top Panel K3 Ass y Drawbar Cover K3 Drawbar Panel K3 Ass y Bottom Panel K3 Ass y Machine Screw M3x6 Bind ZnB Key Felt 10x1015 00623 53006 00703 240...

Page 31: ...Board K3 Ass y Screw 4x16 Truss ZnB Product Label 100V Product Label 120V UL Product Label 220 230V CE Product Label 230 240V 00703 53006 66681 04101 00703 64016 00412 02079 00412 02080 00412 02081 0...

Page 32: ...g Plate for Rotary Knob Lens Single Lens K3 Top Panel K3 Silk SW PWB K3 L Ass y Tapping Screw TYPE2 3x6 Bind ZnB SW PWB K3 R Ass y Top Panel BKT K3 1 Tapping Screw TYPE2 3x4 Flat Head ZnB Rotary Knob...

Page 33: ...L Side Panel K3 R Support Wood K3 Side BKT K3 L Side BKT K3 R Bottom Panel K3 Silk Main Board Cover K3 Rear Board K3 Rubber Foot with K 12W Coating Clip CS 2 Mschine Screw M3x6 Bind ZnB Grommet NGK 0...

Page 34: ...ew M4x5 Bind ZnB Tapping Screw P Tite 3x8 Bind ZnB Nylon Rivet P3045BLK Tapping Screw TYPE2 With Washer 3x10 ZnY BH 73L Key Board Ass y Jack Nut M9 HLJ0990 01 240 Jack Nut M12 HLJ0990 01 250 Machine S...

Page 35: ...g Screw TYPE2 3x6 Bind ZnB Grommet NGK 012 Coating Clip CS 2 00225 41296 00452 40176 00451 40467 00105 17243 00402 31008 00402 31015 Tapping Screw TYPE2 3 5x8 Bind ZnB Coating Clip CS 2 Tapping Screw...

Page 36: ...7 SWITCH PWB K3 L ASS Y 66681 02301 Hexagon Nut TYPE1 M2 ZnW Spacer C2002 5 4 Key Top XB I LCD Unit Ass y Key Top K3 R Key Top K3 GRY Key Top K3 BLK SWH 503A PWB Ass y Machine Screw M2x8 Bind ZnW 6 7...

Page 37: ...9 BH 73L KEYBOARD ASS Y 00289 01002 00225 41291 00452 40038 00452 40037 00452 40039 1 2 3 4 SWH504A PWB Ass y Key Top XB G Key Top XB I Key Top XB S 1 2 3 4 4 6 7 1 2 2 2 2 2 3 4 5 8 9 10 11 14 12 13...

Page 38: ...31 00229 22236 00452 40080 00289 01207 00453 40261 00451 40478 00453 40156 00289 01122 00289 01122 8 00289 01122 5 00280 21009 00280 21010 6 7 1 2 3 4 5 8 9 10 11 12 13 14 20 15 16 17 18 19 21 22 Whit...

Page 39: ...00457 40095 00457 40096 00457 40096 00457 40096 00457 40096 100V 00439 02002 120V UL 00439 01004 220V CE 00439 01005 240V BS 00439 01033 240V SAA 00439 01006 100V 120V UL 230V CE 240V BS 240V SAA Jap...

Page 40: ...head ZnB B from the top panel Remove the 2 screws M4x5 Bind ZnB C from the top panel Remove the 4 screws M3x6 Bind ZnB D from the top panel Disconnect the wirings from J501 J502 J503 J510 on SWH 503A...

Page 41: ...art No Only Use of another battery may present a risk of fire or explosion Battery may explode if mistreated Do not recharge disassemble Collect used battery promptly Keep away from childern Do not di...

Page 42: ...or U1 a 7818 creates the 18volts and U2 a 7918 creates the 18volts 3 Main CPU Sound generator and DSP Board MGH 91A This board has two CPUs two VASE3 sound generators a digital signal processor and th...

Page 43: ...converters The output of U32 is the upper lower and percussion drawbars split into HF and LF these signals will go to the mixer board and then out to the Tube overdrive circuit PAH 72A The output of...

Page 44: ...s shaft The switch assembly will then drop down and out of the control panel 7 Vacuum Tube Overdrive Board PAH 72A The Tube overdrive board consists of opamp U1 dual VCA ICs U2 U3 Tubes V1 V2 and a 2...

Page 45: ...A D converter on MGH 91A After the DSP signal processing and D A conversion The Left and Right audio signals return to the mixer board to U3A and U3B Op amps U3 provide a cut off frequency of 20kHz or...

Page 46: ...g the REC JUMP Button until Loading Default appears on the Display d If everything is in order PLAY Mode appears on the Display Completed 2 HOW TO CHECK THE VERSIONS a Touch the MENU EXIT button to di...

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Hammond XK-3, Service Manual

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