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150W

SERVICE MANUAL

1. Parts List (Current Model) 2. M500 Input Board · M500 Schematic · M500 PCB Layout

WEB ACCESS: http://www.yorkville.com

3. M1098 Power Amp Board · M1098 Schematic · M1098 PCB Layout 4. M520 Power Amp Board (older version) · M520 Schematic · M520 PCB Layout 5. M478 Power Amp Board (older version) · M478 Schematic · M478 PCB Layout 6. Contact Information

WORLD HEADQUARTERS CANADA Yorkville Sound
550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746

U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689

s-mm4-1v1.pdf 09/05/00

Quality and Innovation Since 1963
Printed in Canada

MM-4 Parts List 3/20/00
YS # 5906 6405 5908 6408 6825 6438 6827 6434 6733 6824 6463 5101 5102 5103 5104 6780 5105 5119 6810 6811 6814 6815 6988 6991 6840 6882 6884 6880 6467 5404 5203 5408 5410 5422 5423 6451 5204 5302 6435 5228 5314 5231 5255 5257 5282 5885 5961 5627 5267 5630 5869 4566 4567 4568 4522 3819 8674 3478 3489 3491 3682 3498 3523 3460 3650 3659 3451 3412 3414 2407 2409 8458 8604 3501 3745 3806 3885 3495 3795 3810 Description Qty. YS # Description RED 3MM LED 1V9 20MA .4SPCER T&R 1 3827 SQUARE BUMPER BUTTON BLACK RED 3MM LED 1V7 5MA BRT 1 3484 8' 3/18 SJT AC LINE CORD 250WH187BL GRN 3MM LED 1V9 20MA .4SPCER T&R 1 3834 HEYCO #1214 STRAIN RELIEF GRN 3MM LED 1V9 5MA FROSTED 1 3521 SIDE ENTRY PCB CONN .156 8POS 1N4148 75V 0A45 DIODE T&R 24 3538 24 PIN BREAKAWAY LOCK .156 1N4004 400V 1A0 DIODE T&R 2 3676 8 CIR CABLE HOLDER .098 1N5402 200V 3A0 DIODE 2 8793 4-40 HEX NUT ZINC 6A2 200V 6A0 DIODE 4 8800 6-32 KEPS NUT ZINC BAT85 30V 0A2 DIODE SCHTKYT&R 2 8788 1/4-20 KEPS NUT ZINC 1N5246B 16V0 0W5 ZENER 5% T&R 4 8890 1/4-20 CAGE NUT C7988142027 1N5251BRL 22V0 0W5 ZENER 5% T&R 1 3797 TO-247 THERMO CONDUCTIVE PAD BC550C TO92 NPN TRAN T&R TB 3 3830 TO218 PREGREASED MICA 56-78-2AP BC560C TO92 PNP TRAN T&R TB 2 3846 TO220 THERMO PAD LARGE HOLE 56359B MPSA06 TO92 NPN TRAN T&R TA 1 4597 22AWG STRAN TC WIR JMP T&R JMP MPSA56 TO92 PNP TRAN T&R TA 1 4599 22AWG SOLID SC WIR MPSA56 TO92 PNP TRAN TA 1 5299 24AWG SOLID SC WIR RAD JMP MPSA13 TO92 NPN DARL T&R TA 1 4749 5.0W 0R15 5% BLK RES 2N5638 TO92 NCH JFET T&R TC 1 4748 2.0W 3R9 5% T&R MJF15030 T221D NPN TRAN TJ 1 4686 1.0W 10R 5%FLAME PROOF T&R RES MJF15031 T221D PNP TRAN TJ 1 4875 1/4W 10R 5% T&R RES MJF6668 T221D PNP TRAN DARL TJ 1 4816 1/4W 33R 5% T&R RES MJF6388 T221D NPN TRAN DARL TJ 1 4995 1/4W 33R2 1%FLAME PROOF T&R RES MJL21194 TO3P NPN TRAN TK 1 4604 1/4W 33R2 1% T&R RES MJL21193 TO3P PNP TRAN TK 1 4811 1/4W 68R 5% T&R RES MC33078P IC DUAL OP AMP 1 4735 1.0W 100R 5% T&R RES T&R RES TL072CP IC FET DUAL OP AMP 3 4852 1/4W 100R 5% NE5532N IC DUAL OP AMP 3 4987 1/4W 120R 5%MINI T&R RES 4N35 OPTO-COUPLER 1 4859 1/4W 150R 5% T&R RES 10K 10% THERMISTOR NTC TO-92 1 4770 1/4W 249R 1% T&R RES T&R RES _27P 100V 10%CAP T&R BEAD NPO 2 4945 1/4W 270R 5% .2"U _47P 100V 2%CAP T&R RAD CER.2"NPO 1 4780 1/8W 274R 1%FLAME PROOF T&R RES T&R RES _47P 100V 10%CAP T&R BEAD NPO 2 4950 1/4W 390R 5% .2"U T&R RES 100P 100V 10%CAP T&R BEAD NPO 1 4821 1/4W 470R 5% __1N 50V 10%CAP T&R BEAD NPO 10 4799 1/4W 562R 1% T&R RES __1N2 50V 10%CAP T&R BEAD X7R 1 4891 1/4W 620R 5% T&R RES __4N7 250V 20%CAP BLK 'Y' 10MM AC 1 4781 1/8W 681R 1%FLAME PROOF T&R RES T&R RES _10N 100V 10%CAP T&R RAD .2"FLM 2 4869 1/4W 750R 5% _15N 50V 10%CAP T&R BEAD X7R 1 4758 1/4W 953R 1% T&R RES _22N 275V 20%CAP BLK 'X2' 15MM AC 1 4823 1/4W 1K 5% T&R RES T&R RES 100N 100V 5%CAP T&R RAD .2"FLM 5 4824 1/4W 1K5 5% 100N 50V 10%CAP T&R BEAD X7R 12 4808 1/4W 2K 5% T&R RES 220N 63V 10%CAP T&R RAD .2"FLM 1 4705 2.0W 2K2 5% BLK RES __1U 63V 20%CAP T&R RAD .2"EL 1 4847 1/4W 2K2 5% T&R RES T&R RES __2U2 63V 20%CAP T&R RAD .2"EL 2 4826 1/4W 3K3 5% _10U 16V 20%CAP T&R 5X7MM .2"NP 1 4774 1/4W 4K12 1% T&R RES T&R RES _10U 100V 20%CAP T&R AXIAL EL 2 4827 1/4W 4K7 5% _33U 16V 20%CAP T&R RAD .2"NP 5 4639 1/4W 4K99 1% T&R RES _47U 10V 20%CAP BLK RAD NP 2 4778 1/4W 5K36 1% T&R RES 100U 25V 20%CAP T&R RAD .2"EL 5 4828 1/4W 6K8 5% T&R RES 330U 25V 20%CAP BLK 10X13MM EL 1 4787 1/4W 7K960 0.1% *** T&R RES T&R RES 4700U 63V 20%CAP BLK 25X40MM ELS 2 4829 1/4W 10K 5% T&R RES _10K B LIN 9MM P25 2 4983 1/4W 10K 5%MINI _20K 5C R/A 9MM P25 4 4953 1/4W 12K 5% .2"U T&R RES T&R RES _50K B LIN 9MM P25 2 4830 1/4W 15K 5% __4K7 TRIM POT 1 6123 1/4W 20K0 1%MINI MF T&R RES ___5UH COIL 18AWG R000 AIR CORE 1 4902 1/4W 24K 5% T&R RES T&R RES R385 PLASTIC CORNER W TREAD 8 6122 1/4W 33K 5%MINI T&R RES CLIP 205/187X032 18-22AWG DISCO/INS 2 4868 1/4W 36K 5% CLIP 250X032 18-22AWG DISCO/INSL 1 4794 1/4W 37K90 0.1% *** T&R RES CLIP 205/187X020 18-22AWG DISCO/INS 1 4834 1/4W 47K 5% T&R RES T&R RES 250 MALE PCB TAB BULK CARTRIGE 7 4837 1/4W 82K 5% T&R RES 1/4" JCK PCB MT HORZ 5 4942 1/4W 100K 5% .2"U 1/4" JCK PCB MT HORZ GOLD T__ 1 6120 1/4W 100K 5%MINI T&R RES RCA DUAL PCB MT VERT GOLD .475" 2 4839 1/4W 150K 5% T&R RES XLR ADPT PCB MT 4 4841 1/4W 220K 5% T&R RES XLR FEML PLASTIC 4 6135 1/4W 270K 5%MINI T&R RES EYELET SMALL 0.089 OD PLATED 18 4845 1/4W 2M2 5% T&R RES LOWPROFILE FUSEHOLDER 1/4" H345601 1 3610 10" 9C-26AWG RIB 3/4" NOTCH 0.1" INTERNATIONAL PC MOUNT FUSEHOLDER 4 9010 16GA COLD ROLLED STEEL 4X8' SHEET 2.5 AMP SLO-BLO .25X1.25 FUSE 1 9065 14GA SATINCOAT STEEL 4X8 SHEET 6.0 AMP FAST-BLO .25X1.25 FUSE 2 9565 MM-6/SR-300 RAW HEATSINK 10.5" STRAP HANDLE, PLASTIC COVERS 1 9811 3/4"X4'X8' SPRUCE STAN. SHEATING 10-32 T NUT 2 8865 4-40 X 5/16 PAN PH MS JS500 B52200F006 COMP WASH #4 SMALL 2 8741 4-40 X 1/2 PAN PH MS JS500 DUAL XSISTOR PBL SPRING PLATE ZN 1 8842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK RECTANGULAR WASHER FOR TRANS SUPPRT 2 8801 6-32 X 3/8 PAN PH TAPTITE JS500 XSISTOR SPRING CLIP TO-220 2 8824 8-32 X 5/16 PAN QUAD TAPTITE JS500 1/8" HEATSHRINK POLYOLEFIN 0.015 8802 8-32 X 3/8 PAN QUAD TPTTE JS500 #8 GROUND LUG ZIERICK 505-169 1 8785 #8 X 3/4 OVAL PH TYPE A BLACK OXIDE 4" NYLON CABLE TIE 3 8781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK Qty. YS # 3 8843 1 8770 1 8765 1 8607 0.333 3739 2 8664 2 8667 2 8818 1 3698 4 1398 2 2 2 33 44 5 2 1 1 2 3 2 2 1 2 4 1 2 8 1 2 3 3 8 1 1 1 1 2 1 2 2 3 1 3 5 12 1 2 1 3 1 1 2 1 1 1 1 1 12 6 1 1 2 1 1 1 1 2.56 0.25 0.25 3.59 1 2 4 10 7 8 32 2 Description 10-32 X 1 1/8 FLAT PH MS JS500 1/4-20 X 1 5/16 TRUSS PH MS JS500 1/4-20 X 2 1/2 HEX HD MS JS500 BLK 3/16 NYLON SPACER OD 1/8 X ID .063 CUSTOM .4 LED SPACER 4-40 X O.5 SWAGE SPACER (ROUND) SHOULDER WASHER SWS-229 LENGTH 1/8 3/4 OD X 5/16 ID X .08 THICK WASHER SPST ROKR SW QUIK 180" AC PWR BL/BL 125VAC 62VSEC T'RD Qty. 2 4 1 8 2 1 2 2 1 1

U:\M500V71.PRN

R11D R10D R10C CONNECTED TO CHANNEL 4 OUTPUT CONNECTED TO CHANNEL 2 OUTPUT 47K R11B 47K D5D R11A 47K D5B R11C D5A 47K R14 D5C 47K D3 R25 LO 50K
CW

V+ CLIP LED LD1
RED

R15 1K Q1 MPSA13 C10 100n

NOTE:

ALL UNMARKED DIODES ARE IN4148

R37 220K 24K R17 4K7

R16 36K D2 D1 D5

D4

R36 82K

JB1A 2 MIC 3 INPUT 1 IG R1A JB2A 1 LINE_IN
S

C1A SG R3A 249R 1n R5A 562R 2 1 3 R2A 4K99 R4A 249R R6A C2A 562R 1n SG U1A
1/2

R9A 16v C3A 33u R7A 4K99 100R

GAIN 20K
CW

R18 2K2 C4A 16V 100u R10A 82K 2 1 3 U2A
1/2

B1 P3

= AC VOLTAGES WITH TONE CONTROLS FLAT 1K Hz I/P WITH GAINS AT MAXIMUM

05C P1A MASTER VOL. R12A 4K7 10K C9 47u
CW

R22 6K8 C8 47p 2 3 U5
1/2

MID 50K
CW

R20 47K R21 3K3 C7 47p R19 82K R23 2K2 C12 1n R27 2K R32 2K 6 7 5 U5
1/2

+V R47 1K8 LD2
GREEN

1.3V POWER ON LED R26 10K R30 10K

4K99 3 5
R T

5532 R8A 4K99 SG SG

B1 P2 R13 6K8

B1 P4 15n C11 HI 10K
CW

0dB

NO_GOLD 2

4

6

TL072

R29 470R

1.3V 1 5532 C1 47u R24 1K

5532 2 1 3 U6
1/2

B1 P5

R28 620R

These caps are placed on each channel between pin 4 and pin 8 of the 5532 and that channel's XLR ground. This is for RFI rejection.

+15V C15 100n VC3 100n SG C2 100n C4 100n SG C14 100n C16 100n SG R9C 16v R5C 562R 2 1 R10C 33u R7C C3C 4K99 100R C5 100n C6 100n SG GAIN 20K
CW

C13 100n

C19 100n

TL072

JB1C 2 MIC 3 INPUT 1 IG C1C SG R3C 249R 1n

EFX SEND 6 C4C 16V 100u
T

EFX LOOP

EFX RETURN GOLD 2 TIP S JB4 1 4
R

05C P1C

4
R

2
S

6
T

5 U3A
1/2

3

1 JB3

3

5

10u

C20 16V

R31 47K R34 5 6

C21 27p R33 150K TL072
1/2

33K
UNBAL-I/P RCA

3

-40
2 3

82K 1 U4A
1/2

1.3V

R1C R4C R6C C2B 562R 1n SG 33K R2C 249R

5532 R8C 4K99 SG SG

U6 R35

7 1.2V

R12C

RCA UNBAL-I/P

TL072

0dB

4K7

MPSA13

47K

R12B 4K7 R12D 4K7 V-

150K C22 27p

EBC

STYLE "P25"

V+ 10u 25v C23 C24 10V 10u TO POWER AMP.

CLIP AMP-REF AMP-IN -15V GND +15V

M500.SCH_DATABASE_HISTORY
MODEL(S):# DATE
1 2 3 4 5 6 7 8 9 10 JUN/27/94 OCT/17/94 . NOV/18/94 . OCT/23/95 . . MAR/23/99 JUN/03/99

MM-4 VER# DESCRIPTION OF CHANGE
5.40 5.50 . 5.60 . 6.00 . . 6.10 7.00 PC#4637 R25 FROM 62K TO 24K PC#4653 REMOVED AC SECONDARY FUSES, AC CAPS AND THERMAL BREAKER . PC#4704 REPLACE CHAN 3 PHONE JACK WITH RCA JACKS. . ALL POWER SUPPLY COMPONENTS . REMOVED AND EXTRA OP AMP ADDED . TO MATE WITH M1098 . I/P_CIRCUIT_CHANGED_SAME_AS_M522 CLIP_CIRCUIT_CHANGED

11 JUN/17/99 12 13 14 15 16 17 18 19 20 21 22 23 24 25

7.10

MASTER VOLUME 50K->10K R12A,B,C,D 10K->4K7 U5 TL072->5532

V

N

DATE: JUN/17/99 YORKVILLE NAME: M500.SCH

MODELS: PCB#&VER:

MICROMIX_MM-4 M500

SCH ISSUE:

7.10

TITLE: 4_CHANNEL_MIXER

R15 R14 C10 D1 D3 D2 R37 R16 R36

SHEAR

WC3

WC2

C8

PT#8664
R1C 47K 20K 20K
"020. "210. "800. "500. . PART#4567 GAIN . PART#4567 GAIN

C13 C7

PT#8664
4148

R2D 47K

47K R2C

R1D 47K

1K 47K 100N

4148

100N 47P

J42 J41

5532

J40

J31

R47

J33

J32

GUIDE ETCH
P1C
. PART#4567 GAIN

47P

6K8 R13

4148

LD2

C9
1B PART#4566 MASTER

R19

R25

P1A

P2

4 1/2" BLACK

1K5

J28

47U 10V 1K R24

Q1 C

J10 J11 J12

47K 2K2 R20 R18

J1 J2 J3

J4 J5 J6

J7 J8 J9

24K

WHT

WHT

1N

B
R23

C12

#3460

R21 3K3

4 1/2" BLACK

4 1/2" YELLOW

RED

RED

R17

6K8

2K2

FUNCTION #3650

FUNCTION #3650

FUNCTION #3650

FUNCTION #3650

R22

50K

50K

10K

LINE_IN

LINE_IN

TAPER PART#4568 BASS

P3

1B PART#4568 MID

P4

1B PART#4566 TREBLE

47K

R34

JB1A

JB1B

#3460

C11 15N J26

C1

4K7

J23

J22

P1B

P1D

10V 47U

MPSA13

4148

82K

TAPER PART#4567 GAIN

G

SP

4148

D5

U5

220K 36K 82K

20K

20K

LD1

10K

D4

4 1/2" YELLOW

JB3

JB4

P5 10K J19 2K J18 2K 620R

GOLD_T
EFK_RET

EFX_SEND

25V R9A 100U 100R R10A 82K JB2A C1A 1N C2A 1N

JB2B

JB2D

J14 J15 J16 J13

R2A 4K99 4K99 R1A

R2B 4K99

4K99 R1B

R10D

J17

J36 R9C

25V 100U

J48 82K 100R R9B

U3 TL072 U4

J37 82K

C4C

JB2C R9D 100R 1N 1N WC2. R11C 249R 249R 82K 4K7 C16 100N

6 1/2" BLACK

249R 249R 4K7 R12A

100R

R11A

100N

TL072

25V 100U 249R 1N 249R J29 C4D J35 WC3. 1N

SIG_GND SIG_OUT +15V J25 GND -15V

R33 150K 27P C21 R26 R27 R32 R28

249R

249R

R29 R30

J62

C1B 1N C2B 1N

C2C

R10B

R5B

47K

R3D

C1D C2D

R3B

R4B

4K99 562R 562R J43 47K

R3A R4A

47K R11B

C3B

5532

R4D

33u 16V C3A

100V 10U

5532

4K99 562R 562R R6B

4K99

R3C R4C R10C R12C

R7D 4K99 R8D 4K99

562R

R7A 4K99 R6A 562R R5A 562R J53

J45 J44

J54

C24

PART# #3521
3676

J51

J56

562R

R11D 47K

100N

C23

C3 100N R7B

R7C R6C R5C

D5A J52

4148

R8A

100N J38 100N

R5D

WC1

U1 C15 100N J50 100N C2

R12B

1

MX1. 8POS.RT.ANGLE_MOLEX
AMP-IN AMP-IN

R6D J59 4K7

CLP2

AMP-REF. AMP-REF.

+15V +15V

4148

R8B

D5C J39 J58

-15V -15V

4148

SG SG

C22

33u 16V

J34 J60 J61

C3D 33u 16V

10U 100V

PART#

J24

33u 16V

VER 9.00

C19 100N

C3C

C1C

R35 150K 27P J55

J27

M500

TJH2

SHEAR

4148

D5D

GREEN WIRE

4K99 R8C

R12D

00.9-005M

TO_M1098

MODEL(S):- MM4VCD # DATE VER# DESCRIPTION OF CHANGE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JUN/23/94 . JUN/27/94 OCT/17/94 . NOV/17/94 . JUN/15/95 . OCT/11/95 OCT/31/95 . MAR/31/99 . JUN/08/99 JUN/17/99 . D D D 6.00 . 6.10 6.20 . 6.30 . 7.00 . 7.10 . . 8.00 . 9.00 . . V V V

M500.PCB_DATABASE_HISTORY
POWER_SUPPLY_COMPONENTS_ADDED_FOR NEW_POWER_PCB_M520 PC#4637_R25_FROM_62K->24K PC#4663_REMOVED_AC_SECONDARY_FUSES AND_AC_CAPS PC#4704_CHAN_3_PHONE_JACK_REPLACED BY_RCA_JACK PC#4822_ALL_POWER_SUPPLY_COMPONENTS REMOVED_TO_MATE_WITH_M1098_PWR_AMP MOLEX_MOVED_AT_REQUEST_OF_B.A. U4_TL071->TL072_OP_AMP_ADDED_FOR EXTRA_GAIN_NEEDED_FOR_M1098 PC#_____POT_STYLE_CHANGED_INPUT CIRCUIT_ALTERED_SAME_AS_MM6 PC#_____CLIP_CIRCUIT_REDONE R12A,B,C,D_10K->4K7_MASTER_VOLUME 50K->10K_U5_TL072->5532 N N N

00.9-005M .TED LLIRD

00.9-005M EDISREDLOS

SHEAR

SHEAR

PRODUCTION NOTES

M500.PCB_POT_LIST
MODEL(S):- MM-4
REF
P1A P1B P1C P1D P2 P3 P4 P5 R R R R

FUNCTION PART# KNOB
CHAN1_GAIN CHAN2_GAIN CHAN3_GAIN CHAN4_GAIN MASTER BASS MID TREBLE F F F F #4567 #4567 #4567 #4567 #4566 #4568 #4568 #4566 P P P P #8704 #8704 #8704 #8704 #8703 #8705 #8705 #8705 K K K K

AS_OF
JAN/2000 . . . . . . . N N N N

STYLE "P25"

SHEAR

TJH1

J57 4K7 D5B

4K99

C14

C5

C6

"80 ETCH0. "210 GUIDE. "020.

25V C4B 100U U2

470R 10K J21

TL072

C4

47K R31

C4A

10u C20 16V
"500.

U6

SHEAR

R

SP

3610

P:\500V90.PRN

SHEAR

M500

SHEAR

+16V_BAT +15V 4N35 B
6

6 +45.5V
T

4
R

2 OUTPUT
S

D16
A
1

D17 100K R5 4148 D28 R19 120R D2 R45 390R C2 47pF C11 1n D1 +.67V 750R R15 Q2 BC550 270R R14 D3 BAT85 100n C4 150R R27 R50 270K Q15 BC550 +16V_BAT 10R 33R R48 PIN 8 U1 PIN 4 U1 33R R46 -16V_BAT Q5 MPSA56 C5 100n D4 -.58V 5 390R R10 -.85V 33078
1/2

150W/4R

C
5 4

D15 D14

C E NC

2 3

R20 274R

R21 33R2 Q6 BC560 +.60V

33R R29 D7 4148 Q9 MJL21193 Q8 MJE15030 R30 2K2
2W

5 6
T

3 4
R

1 JB1 2 OUTPUT
S

U2 TLP62_ OPTOLED 1.2 VRMS CONNECT TO M500 PREAMP PCB MX1 1 2 CLP2 AMP-REF. 3 4 AMP-IN 5 +15V +15V SG 6 AGND 7 -15V -15V 8

D13

150W/4R

1N5402 D11 WC2 AGND

5

3

1 JB2

WC1 L1

WC1. 5uH

AGND

681R R4 C9 100p

1
R37 C8 220n 0R15 R31 16V 1N5246A D8 C6 25V 330u R38 3R9 AGND
5W 2W 1W

C1 16V 4K12/0.1% 33u R1 37K9 R2 Q14 2N5638 AGND

2 1 3 U1
1/2

3

BC560 Q1

Q4 MPSA06 R25 4K12/1% D5 4148

10R

33078 953R R44

R3 C24 10K R8 R16 +45.5V
1W

R49

10N 10R C10 R47

D30 4148

T 10K

D6 4148 R26 AGND 4K12/1% 150R R28

+15V MJF6388 Q12 R39 470R C15 100n C16 100n R40 470R Q13 MJF6668 -15V AGND

100R 15K R32 C14 100n AGND 16V 500mW D26 16V 500mW D27 AGND 15K R34 R17 -45.5V
1W

C3 63V 2u2 R9 4K7
CW

A Q3 MPSA56

10N

5W

R51 33K

RT1

7K96

0R15 R33

16V 1N5246A D9

C7 25V 100u

25.4 VRMS 150 WATTS @ 4R GAIN = 20

2
R18 5K36 -.58V Q10 MJ15031 Q11 MJL21194 D10 4148 68R R36 -45.5V -16V_BAT
2W

12K R11

BAT85 390R 7 R13 C12 1n2 Q7 BC550 R23 274R R24 33R2

1N5402 D12 R35 2K2

U1

6

100n C17

20K R12

100K R6

4148 D29

100R ENCLOSE CIRCUITRY IS OFF-PCB. 2.5A-SB BLACK F3 SW1 22n CSA C23 GREEN WC5 4n7 CSA C22 TB2 CHASSIS 120V A.C 60HZ LINE 60Hz 150VA #1396 TB1 6A-FB (35.5VAC) F2 TB4 TB3 TB5 T1 F1 (35.5VAC) 6A-FB D18 +45.5V PX6A02 D19 PX6A02 PX6A02 TB6 AGND TB7 AGND D20 PX6A02 D21 4004 D22 4004 D23 BRN/BLK BROWN T1.6A GR/YEL BLUE SEMKO APPRVD SWITCH PT#3702 4n7 C22 680n C23 245V F1. F6,3A NOTES: 1. ADJUST R9 FOR 3.0 mV BIAS ACROSS TP1 AND TP2 BCE F6,3A F2. 2. Q3 IS THERMALLY COUPLED TO HEAT SINK 3. B CE R41 2K2 D24 5251B 22V 25V 2u2 C20 R42 10K AGND C18 4700u 63V WC2. C19 4700u 63V -45.5V

WC3

AGND R43 2M2 D25 25V 2u2 C21 AGND

MJF6388

MJF6668

2N5638

MPS-A56/A06

BC550

BC560

DSG BCE BCE

EBC

CBE

CBE

WHITE

MJL21194 MJL21193

MJE15031 MJE15030

M1098.SCH_DATABASE_HISTORY
MODEL(S):# DATE
1 2 3 4 5 6 7 8 9 10 MODELS: PCB#&VER: JUL/05/95 . FEB/12/96 D JUN/04/98 JAN/11/99 . MAR/08/99 JUN/08/00 AUG/31/00 MM-4_MM-4CE M1098

MM-4 VER# DESCRIPTION OF CHANGE
1.10 . 1.20 . 1.30 1.40 . 1.50 1.60 1.70 . PC#4850/4851 DELETE R7, C13, . R19 510R TO 120R ADD D26,D27,R45 . PC#4971 ADD BATTERY BYPASS CIRCUIT . CORRECT AC CAP CE_XFMR_1298E->1398E_TOROID THERMISTOR_100K->10K_ADD_R50,R51, Q15 ADD_D30 NA_FUSE_3A-SB->2.5A_SB PC#6205_NA-XFMR_#1298->#1396 SCH ISSUE: 1.70

BRN 230V 230/245VAC 50Hz 177VA PT#1398E BLUE EXPORT AC PRIMARY

TP

TEST POINT YORKVILLE

DATE: AUG/31/00 NAME: M1098

TITLE: AMPLIFIER_150W

Q3
TB3
250TAB

Q12 +15V MJF6388

Q13 -15V MJF6668

#8607 SPACER A56

B C23

E

B

E C1 D14 33u 16V R1 4K12/0.1% 37K90 R3 7K96 R4 681R C9 100p D1 4148 4148 D2 #6810 C11. C2 47p D17 U1 MC33078 R8 R19.
390R R10

BLK_XFMR
XFMR

RTV
R39 J2 470R R32 15K J3 C15 100n J4 100n D26 IN5246 C14 C16 100n 100n C17 470R J5 J6 15K IN5246 R34 J7 D27 R17 1W 100R 4700u 63V RTV PART#5869 D20 PX6A02 PX6A02
BAR DOWN BAR DOWN

MJL21193
#6991

MJL21194
#6988

00.5-8901M
#6811 Q11 MJE15031 D10 Q10 B E TP2 D4 BAT85 C5 100n R23 274R 33R2 Q5 R24
16V

R31 R30

BLK_AC TB4 NOTES SEE . . TB2
XFMR

4148 4148 4148

D16

4N7 250VAC

C22

Q3 10K 120R 1N 4K7

MJE15030

390R

D28 R13 D3 D7 D29
390R

RT1 10K Q15D30 R18 BC550 5K36 2K2 2W R35

4148

R37

R45

B

E Q8 R29. TP1 33R R27 150R
4148 4148

Q9

4148

OUTPUT WIRE FOR MM-4

R36 68R

FUNCTION

O/P 10R 1W L1 PART#
1N5402 1N5402

BAT85

J18

0R15 5WATT

250TAB

D21

#6434

#6434

J15 J16 4K12/1%

PART#5869

R26

D12

IN4004

4700u 63V

WC2. WC3

D22

1W 100R

PX6A02

BAR DOWN

R25.

J14

J1

R16

XFMR F1 CSA-6A-FB/125V . #3414 . . CE-F6,3A/230V

D18
BAR DOWN

RTV.

PX6A02
#6434

953R J10 C21

WC1

J9

C24 10n

10n C10

O/P

AGND

AGND

XFMR

TB7

. CE-F6,3A/230V

22V

10K

D24 R42

CLP2

-15V

AGND

+15V

1u C20 25V

AMP-IN

RED_SEC2

F2 CSA-6AFB/125V . #3414 .

IN4004

WC2

D23

YELLOW

BROWN

1N4148

2K2

2M2

2u2 25V

TO_PRE-AMP

M5XX

R6 10R R49

BC550 33R R48 100K

BC550 R33

D19

Q14

#6434

R41 D25 R43

C6 33R R46

D8

D9

4148 4148

100K R5

Q2

16V 330u

4148

R2

D6

2N5638 AGND

R15 D13 D15 R44

D11

J8

Q4 MPSA06

220n

RTV

4N35

TB6

U2

J12 J13 750R

Q1 2u2 63V BC560

R12 270R R14 12K 20K R11 C4.

OUTPUT

OUTPUT

R51 R50 R21
16V

33K 270K BC560 33R2 274R R20 Q6 Q7

100u 25V C7

R38 3R9 1W

C8

BLK_XFMR TB1 TB5 RED_SEC1

RTV

XFMR

R40

J11

5uH

YEL._C-TAP

C18

U2A

R9

C12.

C3

1N2 100N

5W 0R15

TLP62_

A56 R28 150R 4K12

4148

WHT_AC

2K2 2W

C19

RTV

J17

VCD
1 2 3 4 5 6 7 8 9 10 11 JUL/06/95 . NOV/02/95 . . . DEC/06/95 . . FEB/09/96 AUG/25/98 2.00 . 3.00 . . . 3.10 . . 3.20 4.00

ASSEMBLY PCB MECH

M1098-5.00 M1098-5.00

00.5-8901M EDISREDLOS
# 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 DATE VER# OCT/19/98 . JAN/11/99 . JAN/25/99 . MAR/08/99 5.00 D V D V D V D V D V D V D V D V D V D V D V DESCRIPTION OF CHANGE PC#5854_MOVE_C2_AWAY_FROM_U1 REPLACE_THERMISTOR_ADD_R50,R51,Q15 PC#5908_ADD_TLP621 MOVE_C19_ADD_D30_TO_THERM_CIRCUIT N N N N N N N N N N N

OUTPUT WIRE FOR MM-6

10R R47 AGND -57V +57V

4148

D5

2-OZ COPPER
YELLOW

O/P WC1.

M1098 VER:5.00 SERIAL#

BLANK SIZE=15.800" X 6.700"

"007.6 X "008.51=EZIS KNALB
Q9/Q11

M1098.PCB_DATABASE_HISTORY
MODEL(S):- MM-6/MM-4 # DATE VER# DESCRIPTION OF CHANGE
PC#4850/4851_REMOVE_R7,C13_ADD_D26 D27_R45/R19_510R->120R PC#4926 REMOVE MIRROR IMAGE AND REPLACE WITH STEP AND REPEAT . . . PC#4971 ADD BATTERY VOLTAGE BYPASSING CIRCUIT FOR OP AMP. MOVE DIODES . AWAY FROM U2. . PC#XXXX THERMISTOR MOVED PC#5757_REDO_FOR_680N_AC_CAP

PRODUCTION NOTES
1 2 3 4 NOTE LOCATION OF YELLOW SPEAKER WIRE FOR MM-6 AND MM-4 C23 FOR NORTH AMERICA IS 22N PT#6435 C23 FOR EXPORT (CE,S,E) IS 680N PT#5266 TRANSISTOR MOUNTING STUFF U2 4N35 OR U2A TLP621 NOT BOTH
#8607 SPACER B C E #8607 SPACER B C E Q8/Q10

NOTE: SUPPLIES MUST BE SYMETRICAL TO WITHIN +/- 10% D16 1N4004 R2 100K R41 4K7 C4 100u 63v
D G N 1W

C17 63v 30K 4u7 R32 GND

C20 100p

R19 10K

30K R20

4K7 R5

200R R26 Q7 MPSA93 C9 75v 4p7 C19 75v 4p7

R3 10K R31 470R D2 Q10 BC550 R13 249R Q8 BC550 D5 R15 470P C11 60v R30 470R GND 33U C7 16V 2K7

10v 500mW D11 R11 5K1

S

Q15 IRFP250

MPSA93 Q5 Q6 MPSA93 C1 68U R10 1K5 MPSA43 Q2 Q1 MPSA43

D9

5mA

R25 Q14 BC560 R18 10K R16 200R IAMP_IN 2K7 C10 10V 2N2 R46 0R1
2W

FE6BTR

R47 68K

M520
OUTPUT L1 5uH POUT

VA_OUT

I/P SGND VGND V+

16V

68K R28 D6

16V

C2 68U

R7 1K5 R8 30K 25v C14 470p BC550 Q11 16V C5 33U R23 4K7 BAV21 GND 1mA 2V0 250mW D12 GND D14 R9 18K R22 200R C15 10v 100N D4

16V C6 33U R14 2K7

GND

D7 68K GND C18 R29 10V 2N2 R24 R51 5K6 2K7 R48 68K

R49
0.5W

R45 0R1 R39 22R D8 FE6BTR

2W

10R

Q13 MPSA93

Q9 MPSA93 C12 25v 680P R52 30K

R17 249R

GND C16 63v 4u7

Q4 MPSA43 1K R1 PILOT LD1
RED

Q3 MPSA43 200R R4

R42 R27 2K7 C3 25v 2N2 R6 100K 200R R12 R34 200R D1 C13 25v 100P R21 200R Q12 BC550 R44 10K
0.5W

D G N S

47R 10v 500mW D10 GND

Q16 IRFP250 D15 1N4004

GND

IRFP250
GOLD
2W

MPSA93

MPSA43

BC560C

BC550C

T

R

S

USE JK1 GOLD

OUTPUTS
R9. 3R9 C5. 100V 100n GND SCH ISSUE: TITLE: MM4_PWR_AMP 1.10
T R S

EBC GD S

EBC

CBE

CBE
DATE: AUG\29\94 YORKVILLE NAME: M520MM4.SCH MODELS: PCB#&VER: MM-4 M520-1.10

USE JK2

RIBBON CABLE BLACK LINE

SHEAR
16V 68U
C1

SHEAR
R32

01.1-025M LTED LLIRD 01.1-025M EDISREDLOS
560 16V 68U
R7

30K

Q14

C6

C7

Q13

Q8

R49 R3

C2

D2

33U 16V
D5

33U 16V

A93
R16

550

100U 63V 10K
R31

10R 0.5W
L1

A93
Q5

R48 J14

550
Q12 J9

PART#

4P7 C19 4P7 1K
R1

R

2N2 C3 200R 100K 249R

550

J12

J11

J10

FUNCTION

1/2W MINI PT#4989
1 Q16 PART#6928 PART#6928 Q15

DO NOT STUFF FOR MM4
PART# FUNCTION

MC1

IRFP250

S D G

2N2

R10

R45 R28

R46

1K5
Q2

A43
C14

1K5

D15

R2

4148

FUNCTION

R18 1 Q11

10K 550

4148 4148
D4

200R 2K7
C12 J8 R27 R15

4004

5WATTS 0R1

C4

5UH

D16

YEL

C21

30K 470P C5 16V 100P 33U C20
R8

100K

470R 2K7
C18 R24

2K7 200R R23 4K7 100N
R14

S+ R25

2WATTS 3R9
R53 J17

250V 100N

01.1-025M

5WATTS 0R1

FUNCTION NO PINS FOR MM4

68K

680P

4004 1WATT 4K7

C10

C13

68K R47 5K1

30K

SV+ GND

R52

R41

BLK

68K

100P

J7

2K7 2N2

R22

A43

VCD
SHEAR

C15

10K A43 A93

R13 Q9

R19 Q1 Q6 Q4

2K7

J16

R29

68K

470P A93
C11

249R
BAR DOWN

200R 4K7

30K
Q7

R20

200R

ASSEMBLY PCB MECH

J4

PART#

J6

R11

5K6

V-

J15

2V0

470R

J5

A43

R5 R26

4148

BAV21

R21

FE6BTR R39 22R

R12 R6 R17

Q10
BAR DOWN

63V 4U7
C17

FUNCTION 63V 4U7
C16

1

A93

J13

18K

47R

200R 10K R44

LINE_IN

LINE_IN

4148

10V

10V

Q3 LD1

D9

D11

D12

200R

4148

D14

D6

C9

R30

R51

D7

R9

D8

FE6BTR

R4

J3

J2

J1

D10

R34

D1

STUFF 5 PIN MOLEX FOR MM4 ONLY

M520-1.10 M520-1.10

BLACK LINE

FUNCTION GND

1

VSIG GND I/P SIG

IRFP250

V+

FUNCTION

S

D

G

5W

1.1v GND

C2 470p

-42.9 VDC 1.0 V

R7 4K7 D2 D3

C7 10p RT1 470R R17 15K A -1.4 VDC
CW

10n

C8 68u 16v

6.2V 470p

R26 180R 1n5 R15 680R C10 26.5 V

Q8 MPSA56 R29 D7 R14 1K -1.1 VDC 180R Q4 MJE340 C5 470p -1.4 VDC 26.3 V D9

R33 51K

R34 470R

0R18 R38

0.5W

U:\M478V32.PRN

ALL VOLTAGES MEASURED WITH RESPECT TO GROUND DC VOLTS AC VOLTS DC VOLTS MEASURED NO SIGNAL AC VOLTS MEASURED INTO 4 OHM LOAD WITH AC PRIMARY AT RATED LINE VOLTAGE +45VDC

FOR EUROPEAN UNITS ONLY NOTE:ADJUST RT1 FOR 2.5-3.0mv BETWEEN TP1&TP2 COLD

DIFFERENTIAL VOLTAGE

AS MEASURED BETWEEN THE POINTS INDICATED +16 VDC

R3 4K7 100u C9 25V

R22 1K8

R23 1K8

0.5W

0.5W

D4 +24.7 VDC 24.6 V
RED

D5

T

R

S

1.1 V Q9

JB1

SPEAKER OUTPUT JACKS
T R S

R24 1K8

R25 1K8

0.5W

0.5W

R27 100R +0.15 VDC

4.0 V +0.15 VDC Q7 MPSA56 R35 D8 C12 10n C13 R32 1K5 R30 1K 51K R31 2K7 R43
RED

LD1

BDV67D JB2 1K5
5W

4 OHM MINIMUM LOAD

C3 4u7 63V

16V BZX79C ZD2

33V BZX79C ZD1

R4 15K

NOTE:ADJUST RT1 FOR 7mv BETWEEN TP1&TP2 COLD +4.8 VDC C11 63V 4u7 Q6 MPSA06

TP1 R37 0R18 24.5 V L1 5uH R41 R39 4R7 TP2
0.5W

LD2

+0.12 VDC R1 AC I/P VOLTAGE 1K C1 220n R2 33K

+0.67 VDC Q1 Q2 MPSA56 MPSA56 -42.2 VDC

+0.12VDC

R19 33K 7K5 R20 R18 1K5 62K R21

D6 3V0 BZX79C ZD3 Q5 MPSA06

R28 1K5

R42
0.5W

10R

R36 1K5 Q10 MJH11017 SELECTED 390p

10R R40
0.5W

R16 680R

C6

4R7

22n C14

C4 15p RX1
0.5W

RX2
0.5W

+45VDC R5 1K3 -45VDC R6 3K3 1.5V D1 BAV21

82R RX3
0.5W

82R RX4
0.5W

Q3 MPSA06 -43.5 VDC R10 1.0 V 100R

-12.6 VDC R12 1K5 -44.2 VDC -44.8 VDC 1.0 V

NOTES: 1. ALL UNMARKED DIODES ARE 1N4148. 2. Q5 IS THERMALLY COUPLED TO THE HEAT SINK SELECTED MJH11017 ARE YORKVILLE PART # 6803

82R

82R R11 100R R13 10R 0.2V

-45VDC

YSL3695 BLACK 2.92A GREEN YSL3411 10N 120VAC 60Hz 200VA

+45VDC 8AMP BRIDGE 63V 4700u BROWN T1,6A

EUROPEAN POWER SUPPLY
8AMP BRIDGE YSL3411 Y/GREEN 220VAC 50HZ 200VA C16 63V 4700u

+45VDC

BR1 YSL6422 YSL#1283

63V 4700u -45VDC

BR1 YSL6422 YSL#1290

C15 63V 4700u -45VDC

WHITE

CHASSIS MOUNT PARTS NOT ON PCB

BLUE CHASSIS MOUNT PARTS NOT ON PCB

MJH11017 BDV67D MJE340 MPSA06 MPSA56

YORKVILLE SOUND LTD

FOR MODEL(S):

MM4&MM4E DRAWN BY: H.G SCH ISSUE: 3.20

PCB #: M478E DWG #: 1 OF 2 DATE: TITLE: FEB\10\94 MP4_POWER_AMP.

B C E

E CB

EBC

CAD FILE NAME: C:\PCAD\EXE\ C\MP4.SCH

DESIGN BY: P.I PCB VER: M478-9.0

0M47874M LTED 0.01-8

M461 HE T SPRE DER DEVICE BELLY BUTTON PT# 3800 WASHER PT#3511 DEVICE #8800 NUT WASHER PT#3511 BEND AND CRIMP BRIDGE LEGS UNDER PCB #8830
R3

M478-10.00 M478-10.00

TP2

R21

R16 R22 R23

D1

15P C4 15K R17 4K7 R7 390P

R4 4K7

J4

R36

PART#5859 4700U

1K5

470P 100R 180R 10R 3K3 100R R5

4700U

680R

3V

1K8 0.5WATT 1K8 0.5WATT

Q2

220N 100V

1K5

15K

C3

MPSA56

C8

COLOR COLOR

5WATT R18

180R

4148

ASSEMBLY PCB MECH

1N5

51K 33K 470P

IDLE
1K8 0.5WATT 1K8 0.5WATT

100R

MPSA56 51K 1K5 68U 16V 1K5
4148 4148

4148

4U7 63V

FUNCTION

2K7

510R 0.5WATT 510R 0.5WATT 680R 0.5WATT 680R 0.5WATT

680R 0.5WATT 680R 0.5WATT 510R 0.5WATT 510R 0.5WATT

R26

D5

R27

15K

C10

R33 R19 C2

LD2

22N 400V

MPSA06 R12 #3892 Q4 MOUNT #8792 #3501 #8793

D9

470R

4R7 0.5WATT 4R7 0.5WATT

1K5 10N

R38

19 PES

100U 25V

10P

MJE340

16V

00.01-874M

33K 1K

MPSA56 Q7 R31

FUNCTION

R37

D3 D2 C7

ZD2 R2 R1

10R 0.5WATT 10R 0.5WATT

R41 R42

R25

R24

R43

C9

R32 C13

VCD

FOR EURO SEMKO ADD #8629 SPACER ON M478E ON LEADS OF R37 AND R38

Q4 WITH SCREW BELL WASHER NUT

C14

R40

00.01-874M EDISREDLOS

BLACK WIRE M478A = 9 1/2" M478C+M478E = 7"

6" BLACK (7" BLACK FOR M478E)

R39

4" YELLOW (5" BLACK FOR M478E)

LINE_IN

LD1

5WATT R18

MPSA06 Q6

R20

Q8

1K3

R18

C16

C15

5uH

TP1

BAV21

62K 7K5

4U7 63V

33V

J6

500*60,B

-

Q1

PART#

470P 680R

470R

10N 1K

4148

4148

4148

1K5

4148

1K

50V

MPSA56

PART#5859 50V

AC + 6422

C1

AC

PART#

PART#6803

LINE_IN

BDV67D

R6 R10

MJH11017

ZD1

STAND MPSA06 IN 0.25" STIR STICK

R35

ZD3 C6

R15 D4 R34 D8

C11

J1 C12 R30 D7 R28 D6 R29

C5 R11 R14 R13

Q5

P:\478.PRN

#8800 NUT #8820 WASHER #3563 BRACKET #8800 NUT

BELLY BUTTON PT# 3800 WASHER PT#3511

BRIDGE HEAT SPREADER PCB

USE THERMAL COMPOUND UNDER MSA06 MPSA06

BE SURE THAT THE MICA FOR THE BDV60 IS NOT UNDER THE MPSA06