background image

XK-3

00230-07206

MXH-35A

XK-3

R8

220

R52

4700

C2

1500p

C3

330p

R1

10k

R3

10k

R2

10k

R4

4700

C1

2.2u/50V MS

C29

1u/50V

GND

+14

POWER ON MUTE

C5

1500p

C6

330p

R5

10k

R7

10k

R6

10k

C4

2.2u/50V MS

R92

100k

R85

10k

R93 22k

Q10

2SC2878

KD

R12

220

R16

220

C11

1500p

C12

330p

R13

10k

R15

10k

R14

10k

R49

22k

R51 10k

R50

10K

R55 4700

+15

-14

C10

2.2u/50V MS

C8

1500p

C9

330p

R9

10k

R11

10k

R10

10k

C7

2.2u/50V MS

Q6

2SC1815Y

R53

4700

R54

10k

-14

Q9 2SC2878

LES OFF

R56

4700

R58 27k

C32

220p

R42

4700

R43

4700

R44
4700

-14

Q8

2SC2878

R45

4700

R47 27k

C31

220p

R35

4.7

5

6

7

U6B

NJM4556AD

C28

47p

R34 47k

R31

15k

C27

2.2u/50V MS

R33

10k

C20

2.2u/50V MS

R30

4.7

3

2

1

U6A

NJM4556AD

C26

47p

R29 47k

R26

10k

C25

2.2u/50V MS

R28

10k

C30

1u/50V

R64
10k

R65

10k

4

3

5

RL2A

G6S-2

4

3

5

RL2A

G6S-2

R66
10k

9

10

8

RL3B

NOT USED

R36

1/2w 47

R37

1/2w 47

R39

680

D/B HF

D/B LF

PERC.(NO USE)

PED D/B

LINEOUT R

MAIN Rch

MAIN Lch

LES ROT

LES Lch

LES Rch

R48

220

R59

220

KD

R74

680

C36

1000p

R71
10k

Q1

2SC2655Y

Q3
2SC2655Y

Q4

2SC1815Y

R69

4700

R67

6800

R68

10k

To  Leslie  11 pin

ZD1

RD5.1  EB2

1
2

3
4
5

6
7
8

9

10
11

J204

5045-11A

FAST

SLOW

LES DETECT

C35

1000p

C34

1000p

R72

4700

Q2

2SC2655Y

R70

4700

LES OFF

5 V

C52

0.1

R80

10

C51

10u/25V

Q7

2SC2655Y

R79
1200

GND

3

VCC

1

NC

2

OUT

5

CAP

4

U7

M51953B

1

12

+

-

RL1C

G6S-2

1

12

+

-

RL2C

G6S-2

C53

0.1

POWER ON

+18V

-18V

5 V

C68

0.1u

C69

0.1u

R81

1/2W 4.7

R82

1/2W 4.7

C74

0.1u

C75

0.1u

1
2
3

4
5
6

7
8

JK6

8PIN DIN

Photo Di IN

GND

LAMP GND
FOOT SWITCH 1

GND

+15V

-15V 

-15V LAMP

for EXP-100

C42

0.1u

C41
0.1u

R77

10

C59
1000u/16V

C60
1000u/16V

-15V

1 5 V

to MGH-91A

C61
0.1

1

2

3

U8

7805HF

+5V

C54

100u 16V

R46
10k

DG

LES OFF

LES FAST

LES SLOW

KEY DOWN

DB MUTE

LES DETECT

STATIONARY L

CONTROL GND  

AUDIO GND

POWER ON

STATIONARY R

+B

SLOW

ROTARY

DG

FAST

SWH-503A

MAIN L

AG

PED D/B

PERC

AG

C70

0.1u

C71

0.1u

C62

0.1u

C63

0.1u

8

4

U4C

UPC4570C

8

4

U6C

NJM4556AD

FOOT SWITCH 1

EXP DC

NC
NC

FB12

FB9

FB6

FB8

1

2

3

4

J202

B4B-PH-KS

HF D/B

AG

LF D/B

AG

AG

R20

1k

C14

1800p

C15

330p

R17

10k

R18

10k

C13

2.2u/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 PHONE

FB18

FB17

C43

1000p

C44

1000p

2
3

1

JK1

HLJ0520-01-010

FB16

FB15

SEND

2
4
1

JK5

HLJ0520-01-110

2
4
1

JK4

HLJ0520-01-110

C23

220pF

C24

104Z/25V

SB1

SBT0460

RETURN

4

3

5

RL1A

G6S-2

9

10

8

RL1B

G6S-2

C47

0.1u 25V

3

2

1

U5A

NJM5532

5

6

7

U5B

NJM5532

R60

4700

R62 27k

C33

220p

R63

220

5

6

7

U4B

uPC4570C

3

2

1

U4A

uPC4570C

3

2

1

U2A

uPC4570C

5

6

7

U2B

uPC4570C

3

2

1

U1A

uPC4570C

5

6

7

U1B

uPC4570C

R86 10K

R88 22k

C21
220p

R89

4700

R87 10k

1
2
3

4
5
6
7

8
9
10

11

J205

B11B-PH

1

2

3

4

5

6

J206

B6B-PH

1

3

2

VR

5KB x 2

1

3

2

MASTER VOLUME

JP2

JUMPER1

R95 22k

Q11

2SC2878

R41

22K

R40

4700

2
4
1

JK3

HLJ0520-01-110

2
4
1

JK2

HLJ0520-01-110

C46

1000p

C45

1000P

LINEOUT L /MONO

C72

0.1u

C73

0.1u

8

4

U2C

UPC4570C

8

4

U1C

UPC4570C

C64

0.1u

C65

0.1u

8

4

U5C

NJM5532D

R83 1/2W 47

R84 1/2W 47

C55
470/25

C56
470/25

C39
0.1u

C40
0.1u

FB11

FB10

FB13

R78

10

-15V

+15V

R76 5600

R75 10K

+14

1

12

+

-

RL3C

G6S-2

FB1

FB2

FB3

FB4

FB7

FB5

R25

5600

R90 100k

R91 22k

Q12
2SC2878

DBM

-14

DBM

R97

10K

R98

10K

R27 10K

R32 10K

L IN

R IN

R IN

L IN

L IN

R IN

1

2
3

J210

B3B-PH

to PAH-72A

to MGH-91A

from MGH-91A

C50

47u  25v

R73

680

C38

47u25V

+14V

-14V

1

2

3

U9

7815HF

C57

100u 25V

1

2

3

U10

7915HF

C58

100u 25V

C66 0.1u

C67 0.1u

1

2

3

4

5

6

7

J203

B7B-PH-KS

R96

1K

C76

2.2u/50V MS

FB19

R57
10k

R61
10k

FB21

FB14

FB20

1
2

3
4
5
6

7
8
9

10

J207

5045-10A

+5V

DG

5V

1
2
3

4
5
6

J208

5045-06A

15V

-15V

GND

D2

1SS133

D3

1SS133

1
2

3
4
5
6

7
8
9

10

J201

B10B-PH

DG

GND

NC

1

2

3

J209

B3B-PH

PEDAL IN

LF IN

HF IN AG

OUT(SEND)

AG

AG

PERC

AG

RET(MIX)

AG

C79

0.01u

R23 33k

C80

4700p

R99

15k

C77

0.01u

R19 33k

C78

4700p

C19

2.2u/50V MS

Q5

2SA933S

JP-C

JUMPER

JP-A

JUMPER

C81

0.1u

Lch

Rch

STA. Input

JUMPEROFF

JUMPEROFF

JUMPEROFF

FB22

Not USED

Not USED

FBxx:FERRITE BEADS EXCELDR25V

NOT USED

Not USED

J118-2

J118-1

J118-4

J118-5

J118-6

J118-8

J118-7

J118-3

J301-4

J301-2

J301-1 J301-3

J301-6

J301-7

J114-2

J114-1

J114-4

J116-5

J116-9

J116-11

J116-2

J116-1

J116-10

J116-3

J116-6

J116-7

J1-2

J1-9

J501-5

J1-6

from PSH-72B

J501-2

from SWH-503A

7-10

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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