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150W

SERVICE MANUAL MM-6
WEB ACCESS: http://www.yorkville.com
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

Quality and Innovation Since 1963
Printed in Canada
smmm6.pdf 11.02,99

IMPORTANT SAFETY INSTRUCTIONS

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC ÉLECTRIQUE, OU BLESSURES AUX PERSONNES.

CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE.

AVIS:
AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, N'ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE). NE CONTIENT AUCUNE PIECE REPARABLE PAR L'UTILISATEUR.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CONSULTEZ UN TECHNICIEN QUALIFIE POUR L'ENTRETIENT.

Read Instructions:
The Owner's Manual should be read and understood before operation of your unit. Please, save these instructions for future reference.

Veuillez lire le manuel:
Il contient des informations qui devraient êtres comprises avant l'opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures

Packaging:
Keep the box and packaging materials, in case the unit needs to be returned for service.

Emballage:
Conservez la boite au cas ou l'appareil devait être retourner pour réparation.

Warning:
When using electric products, basic precautions should always be followed, including the following:

Warning:
Attention: Lors de l'utilisation de produits électrique, assurez-vous d'adhérer à des précautions de bases incluant celle qui suivent:

Power Sources:
Your unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated.

Alimentation:
L'appareil ne doit être branché qu'à une source d'alimentation correspondant au voltage spécifié dans le manuel ou tel qu'indiqué sur l'appareil. Cet appareil est équipé d'une prise d'alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu'il soit possible d'insérer complètement les trois lames. Des précautions doivent êtres prises afin d'eviter que le système de mise à la terre de l'appareil ne soit désengagé.

Hazards:
Do not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturer's instructions when installing the product and use mounting accessories recommended by the manufacturer. The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus. Terminals marked with the "lightning bolt" are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made leads or cords. No naked flame sources, such as lighted candles, should be placed on the apparatus.

Hazard:
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. L'appareil pourrait tomber et blesser quelqu'un ou subir des dommages importants. Utiliser seulement un chariot, un support, un trépied ou une table recommandés par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer l'appareil et utiliser les accessoires recommandés par le fabricant. Il convient de ne pas placer sur l'appareil de sources de flammes nues, telles que des bougies allumées. L'appeil ne doit pas être exposé à des égouttements d'eau ou des éclaboussures et qu'aucun objet rempli de liquide tel que des vases ne doit être placé sur l'appareil. Les dispositifs marqués d'une symbole "d'éclair" sont des parties dangereuses au toucher et que les câblages extérieurs connectés à ces dispositifs de connection extérieure doivent être effectivés par un opérateur formé ou en utilisant des cordons déjà préparés.

Power Cord:
The AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT.

Service:
The unit should be serviced only by qualified service personnel.

Cordon d'alimentation:
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PAS L'APPAREIL si le cordon d'alimentation est endommagé.

Service:
Consultez un technicien qualifié pour l'entretien de votre appareil.
SAFE_V4.doc Version 4.0 02/11/99 11:54 AM

+15V +15V +15V R7 390R 6 7 5 U3
1/4

IG R11 390R 13 14 12 U3
1/4

WC3 R15 390R 2 1 3 U4
1/4

NOTE:
RED

CHANNEL PAIR "A" AND "B" ARE SHOWN. C4 100n -15V 100n C10 1U LD2
GRN

CLIP LD1 +15V C49 100n C50 100n 4741 C14 180n 4741 C18 33n SG SG GND 63HZ R15A D1A MAINBUSS MAIN MASTER 50K R24 8K2 SG 6K8 1B
CW

100n C43 100n C41 100n C39 100n C37 C38 C40 100n SG C42 100n SG

C44 100n SG

CHANNEL PAIRS C,D AND E,F ARE NOT. C51 100n C52 100n SG SG 160HZ 400HZ 1K 2K5 6K -15V SG R4 1K5 POWER ON C11 150n 100K R8 C15 18n 100K R12 C19 3n3 100K R16 100n +15V C34 R5 680K R3 1K5 C5

SG

R1F HAS THE SAME FUNCTION IN

CHASSIS

+15V

C2

C53

C55

CHANNEL "F" AS R1A DOES IN

100n C1 SG 100n BYPASS CAPS FOR U2A,U2B,U2C MC4741

100n

100n

CHANNEL "A". ALL OF THE CHANNEL

C35 35V 22u C36 35V 22u 4741

FROM AMPLIFIER

VQ1 MPSA13 D2 SG

C3

C54

C56

PART NUMBERS FOLLOW THIS

R60

100n SG R20 SG R19 100R 8K2 C22 100p

100n

100n

100n

METHOD OF ADDING A SUFFIX LETTER

CLP2_AMP

BYPASS CAPS R25 620R 5
T

330K

These caps are placed on each channel between pin 4 and pin 8 of the MC33078 and that channel's XLR ground. This is for RFI rejection.

TO THE DESIGNATOR.

R2

-15V 3
R

SG

SG

SG

NOTE:ALL UNMARKED DIODES ARE 1N4148

33K D1

1 JB5
S

MAIN_OUT 6 1B 13 4 2 N0_GOLD

(CLP2) (CLP2) (CLP2) (CLP2) (CLP2) (CLP2) 30K P9 20K P10 20K P11 20K P12 20K P13 20K
CW

CH CH CH CH CH CH 1B 1B 1B 1B 1B P14 20K

6 5 4 3 2 1

R18A

180K

14 12 U4
1/4

R26 470R 4741 6
T

4
R

2 GOLD-T-R
S

35V 1B P6 SG MON SEND R16A 12K 9 8
1/4 1/4

C6 22u

AMP_A_IN SG +15V 4741
1/4

R11A 4K7 C6A 15p 4741 U4
1/4

C5A 100n 50K R23 4741 8 2 R9 EFXBUSS 35V R22 WC2 SG 2 1 3 U6
1/4

R12A C7 47p R10 100K 47n C12 470n C13 U3 9 R13 390R 10 R14 100K 6n8 C16 P4A 50K MONBUSS 10 1 U2A
1/4

5 +15V C47 7 U4 5 6 R17 390R -15V 100n C48 100n C45 100n C46 100n

3

1 JB6

JB1A

R2A 12K C8 22u
CW

JB2A 1 1B P7

4K99 3 5
CW

IG 1B
CW

249R R16B MONBUSS R29 36K 14 U2A EFX SEND
1/4

562R 4K7 R30 470R 6K98/1% R34 C6B 15p P4B 50K 12K

4K99

C4B 16V 100u MON SEND R35 6K98/1% 2

R11B

180K C5B 100n 50K D1B

R36 15K 1 R37 WC1. WC1

CW

CW

CW

SG

SG
CW

U:\MM6MIXER.PRN
1 U3 3 100n C17 R18 100K 1n5 C20 15n C21 EFX SEND 4741 1B MONITOR MASTER 50K 390R R17A 4741 P5A 50K WC2. 6K8 C9 47p 470R R47 R46 6
T

2

C1A

R9A

GAIN 20K

CW

4K7

SG

CW

1B P2A

1n

100R

05C P1A

MIC 3 INPUT 1

R3A

R5A

16v C3A R7A 33u

BASS

R13A 47K

IG

249R

562R

4K99

C4A 16V 100u

2

IG

10u C59 16V

2

R1A

1

R10A

1n

3

ONE PAIR OF BYPASS CAP ARE LOCATED WITH I.C'S

3

U1A

82K

C7A

1/2

4K99

33078

6

7

1K R14A

SG

LINE_IN

S

R

T

R4A

R6A

R8A

5

U2A

NO_GOLD 2

4

6

249R

C2A 562R

4K99

1/4

0dB

TREBLE

1B P3A

GND GND BY PASS CAPS FOR U3,U6 R28 5 R48
T R S

4741

CW

3 10K 6 10K 4
R

1 JB7 MON_OUT 6 7 2 NO-GOLD
S

1n

10K

SG

SG

SG TLO72 R15B MAINBUSS 30K

(CLP2) CH 2

4 JB4 1 EFX-SEND 5 3 1 JB3 EFX-RETURN
S

2 N0_GOLD 3
R

JB1B

A

R9B

GAIN 20K

CW

R18B

5
T

5 1K GOLD-TIP 2 4 6 2n2 C33 SG SG R55

U6
1/4

MX1
1

2

C1B

100R

SG

05C P1B

TLO72 1B 15K MAIN EFX

CLP2_AMP

2 3 4 5

1n

MIC 3 INPUT 1

R3B

R5B

16v C3B R7B 33u

R12B

P8 50K

SG

6 7 8

6

CW

R1B

7

R10B

4K7

AMP-REF. AMP-IN +15V SG -15V 3 U8
1/4

1B P2B

5

R2B

U1A

JB2B 1

4K99 3 5

1/2

-40

82K

4K99

33078

9

BASS

8

R13B 47K 13

220R MC4741CP R21 6K98/1%

36K R42 100R 1 R41 15K U7
1/4

LINE_IN 4741 1B 12K 7 5 U5
1/4

S

R

T

R4B 35V 6 C23 22u C24 47p

R6B

R8B

10 EFXBUSS

U2A

2 3 MC4741CP 6 7 5 U8
1/4

R50 R49 SG 1 R38 220R MC4741CP 6 JB1 4u7 C26 63V 470R 2 R52 15K RCA REV._RETURN 2 7 10n C30 C31 22n R51 36K

3n3 C27 47K C28 2n2 R56 3 1 3 U5
1/4

27p C57 150K C32 63V 4u7 R57 1
BC B

TO AMPLIFIER M1098

NO_GOLD 2 R17B P5B 50K

4

6

249R

C2B 562R

4K99

1/4

4741

0dB

1n

12

1n

C7B

SG

SG

5 U9
V+ VC

TLO71 8 6 R53 1K 2 REV._SEND RCA R43 TLO72 2 +15V 7 4 -15V

SG

1K R14B

SG

CHANNEL 5 & 6 TLO72 SG R31 470R R15E D1E 30K SG MON SEND 1B 12K R16E

TREBLE

1B P3B

CW

R1E

L-INPUT

10K

33K

RCA

R32 6K98/1% C25 680p R33 91K SG

9 8 10 U8
1/4

100R R39 220R R44 MC4741CP MC4741CP
1/4

U7
1/4

5 MC4741CP 9 8 100R 12 13 U6 14 R40 220R R45 100R U7
1/4

JB2 1

RCA

SG R2E

R9E

GAIN 20K

(CLP2) CH 5

R54 180K SG 10 MC4741CP 13 14 U7
1/4

47K R59 SG

27p C58 150K

R-INPUT

33K

C1E

CW

R18E

100R

MPSA63 MPSA13

05C P1E

R58

1n

R3E

R5E

16v C3E R7E 33u

249R 4K7 C8E 15p SG
1/4

562R

4K99

C4E 16V 100u

R11E P4E 50K

180K C5E 100n 50K

R12E

CW

R10E

4K7

1B P2E

12 MC4741CP

MIC INPUT

1/2

-40

82K

EBC STYLE "P20"
M522.SCH_DATABASE_HISTORY M522.PCB_POT_LIST
MODEL(S):# DATE
ALL UNMARKED DIODES ARE IN4148

33078

BASS

R13E 47K

R4E 4741 1B P5E 50K 12K

R6E

R8E

249R EFX SEND R17E

C2E 562R

4K99

1/4

4741

0dB

1n

1n

C7E

SG

1K R14E

MM6 VER# DESCRIPTION OF CHANGE

MODEL(S):# REF

MM6 FUNCTION

PART#

KNOB

AS_OF

TREBLE SG

1B P3E DATE: NOV/02/99 YORKVILLE NAME: M522.SCH MODELS: PCB#&VER: M522 MM6

CW

10K

SCH ISSUE: TITLE: MIXER

1.10

1 2 3 4 5 6 7 8 9 10

MAY/04/95 MAY/17/95 D D D D D D D D

1.00 1.10 V V V V V V V V

R29_15K->36K_R55_36K->15K DELETE_C29_(1N) N N N N N N N N

1 2 3 4 5 6 7 8 9 10

P1A-F P2A-F P3A-F P4A-F P5A-F P6 P7 P8 P9-P14 D

GAIN BASS TREBLE MONITOR EFFECTS MAIN-MASTER MON-MASTER MAIN-EFFECTS EQ F

#4391 #4393 #4392 #4393 #4393 #4393 #4393 #4393 #3999 N

#8717 #8718 #8718 #8715 #8716 #8717 #8715 #8716 NO_KNOB K

JAN/2000 D D D D D D D D D

+16V_BAT +15V 4N35 B
6

6 4 2 OUTPUT +57V
T R S

A
1

D16 D17 D15 D14
3 2

150W/4R

C
5 4

C E NC

100K R5

4148 D28 R19 120R R45 390R

R20 274R

R21 33R2 Q6 BC560 +.60V

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

5 3 1 JB1 6 4 2 OUTPUT
T R S

U2 1.2 VRMS CONNECT TO M522 PREAMP PCB MX1 1 CLP2 2 AMP-REF. 3 AMP-IN 4 +15V 5 +15V AGND SG 6 -15V 7 -15V 8

D13 D2 C2 47pF

150W/4R

1N5402 D11 WC2 AGND

5 3 1 JB2

C11 1n D1 +.67V 750R R15 Q2 BC550 Q4 MPSA06 270R R14 D3 BAT85 100n C4

WC1 WC1. L1 5uH

AGND

681R R4 C9 100p 1 3 U1
1/2

1
R37 150R R27
5W

C1 16V 953R R44

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

2

3

BC560 Q1

7K96 R3 C24 10N 10R R49 10R R47 C10 10N Q3 MPSA56 12K R11 390R R10 -.85V 20K R12 100K R6

Q15 BC550 +16V_BAT 33R R48 PIN 8 U1 PIN 4 U1 33R -16V_BAT R46 Q5 MPSA56 R51 33K RT1 10K D30 4148

D5 4148

0R15 R31

2W

33078

R50 270K

R25 4K12/1%

16V 1N5246A D8

C6 25V 330u

C8 10R 220n R38 3R9 AGND

1W

10K R8 R16 +57V
1W

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

0R15 R33

16V 1N5246A D9

C7 25V 100u

25.4 VRMS 150 WATTS @ 4R GAIN = 20

+15V MJF6388 Q12 C14 100n R39 AGND 470R 16V C15 500mW D26 100n AGND 16V C16 500mW D27 100n AGND R40 100n 470R C17 Q13 MJF6668 -15V

100R 15K R32

C3 63V 2u2 R9 4K7
CW

A

C5 100n D4 -.58V 5 6 C12 1n2 4148 D29 R23 274R 33078
1/2

5W

R18 5K36 -.58V Q10 MJ15031

2
1N5402 D12 R35 2K2
2W

U1

7

390R R13

BAT85

Q7 BC550 R24 33R2

Q11 MJL21194

15K R34 R17 -57V
1W

D10 4148 68R R36 -57V -16V_BAT

100R ENCLOSE CIRCUITRY IS OFF-PCB. 2A-SB BLACK F3 SW1 22n CSA C23 GREEN WC5 4n7 CSA C22 TB2 CHASSIS 120V A.C 60HZ LINE TB4 TB3 T1 60Hz 150VA #1316 TB1 6A-FB (42VAC) F2 F1 (42VAC) TB5 6A-FB D18 +57V PX6A02 D19 PX6A02 PX6A02 TB6 AGND TB7 AGND D20 PX6A02 C18 4700u 63V WC2. WC3

WHITE

C19 4700u 63V -57V D21 R41 4004 2K2 25V D22 D24 2u2 4004 5251B C20 22V D23

AGND R43 2M2 D25

MJF6388 25V 2u2 C21 AGND

MJF6668

2N5638

MPS-A56/A06

BC550

BC560

DSG BCE MJL21194 MJL21193 BCE

EBC

CBE

CBE

R42 10K AGND

MJE15031 MJE15030

M1098.SCH_DATABASE_HISTORY
1 JUL/05/95 2 . 3 FEB/12/96 4 . 5 AUG/06/98 6 JAN/11/99 7 . 8 MAR/08/99 9 D 10 D

MODEL(S):- MM6 # DATE VER# DESCRIPTION OF CHANGE
1.10 . 1.20 . 1.30 1.40 . 1.50 V V

BROWN T1.6A GR/YEL BLUE SEMKO APPRVD SWITCH PT#3702 4n7 C22 680n C23

F1. F6,3A 50Hz 150VA #1316E F6,3A F2.

NOTES: 1. ADJUST R9 FOR 3.0 mV BIAS ACROSS TP1 AND TP2 BCE 2. Q3 IS THERMALLY COUPLED TO HEAT SINK 3. B CE

. PC#4850/4851 DELETE R7, C13, . R19 510R TO 120R ADD D26,D27,R45 . PC#4971 ADD BATTERY BYPASS CIRCUIT . CORRECT AC CAP PC#5772_PRIMARY_FUSE_3A-SB->2A-SB THERMISTOR_100K->10K_ADD_R50,R51, Q15 ADD_D30 N N SCH ISSUE: 1.50 TITLE: AMPLIFIER_150W

TP

TEST POINT

EXPORT AC PRIMARY

DATE: MAR/08/99

MODELS:

MM-6_MM-6E

YORKVILLE NAME: M1098

PCB#&VER: M1098

Q3
TB3
250TAB

latest version

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 15K J3 100n J4 100n IN5246 C14 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

F1 CSA-6A-FB/125V . #3414 . . CE-F6,3A/230V WC1 WC2 YELLOW O/P BROWN AGND

XFMR

D18
BAR DOWN

RTV.

PX6A02
#6434

953R J10 C21

AGND

22V

XFMR

TB7

D24 10K R42

CLP2

-15V

AGND

+15V

1u C20 25V

AMP-IN

RED_SEC2

F2 CSA-6AFB/125V . #3414 . . CE-F6,3A/230V

IN4004

1N4148

2K2

2M2

2u2 25V

J9

C24 10n

10n C10

TO_PRE-AMP

M5XX

R6 10R R49

D23

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

R32 C15 D26 C16

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

"056.9 X "058.71=EZIS KNALB BLANK SIZE=17.850" X 9.650"
R17A R17C R17E J36 R15F TSTJIG1 P9 P10 R12 P11 J47 P12 P13 P14 100n C44 100n C43 R20 8K2 100p C22 J49 SP2

R15B

12K

12K

R15D

12K 12K

12K 12K

12K

30K 180K 12K

180K R18B

180K D18D

180K R18F

160HZ

400HZ

30K 180K 12K

30K 180K 12K

2K5HZ

63HZ

100R R18 R19

P5A 50K D1A

P5B 50K 30K

P5C 50K D1C
"500. "800. "210.

P5D 50K 30K

P5E 50K D1E

12K 12K

P5F 50K 30K

J3B R16B R17B

J3D R16D R17D

J3F R16F R17F

R11 100K

J3A

J3C

J3E

R14

R9

C45 C46 J50 R8

100n 100n

1K

R15C R18C R16C

R15E R18E R16E

390R 100K R10 1B 20K

MC4741CP

R13 100K

D1D

C19 390R R15 100K 3n3

4148

4148

4148

1B 4393 EFFECTS

R15A R18A R16A

1B 4393 EFFECTS

D1B

D1F

100K

4148

4148

4148

390R

ETCH GUIDE. "020

1B 4393 EFFECTS

1B 4393 EFFECTS

1B 4393 EFFECTS

1B 4393 EFFECTS

20K

20K

20K

R16

20K

20K
3999

6K

C15 18n

03.1-225M

3999

3999

3999

J46
1B 4393 MONITOR 1B 4393 MONITOR

R7

1B 4393 MONITOR

1B 4393 MONITOR

1B 4393 MONITOR

1B 4393 MONITOR

390R C11 150n 1uF

C12 470n C13

3999

3999

C20 1n5

390R

U3

390R 6n8 C16

47n

P4A 50K

1B

1B

1B

1B

1B

J2B

P4B 50K

P4C 50K

J2D

P4D 50K

P4E 50K

J2F

P4F 50K

U4 J55 R24 8K2 JB3 #3914 RETURN RCA_JACK JB1 #3914 SEND RCA_JACK J26 J59

C14 180n

C17 100n

C18 33n

J2A

J2C

J2E

C10 P3F 10K R60 C6F 15p 1n
1B 4392 TREBLE

1

8POS.RT.ANGLE_MOLEX MX1.

MPSA13

P3A 10K

P3B 10K

CLP2 LC 2P
.FER-PMA AMP-REF.

P3C 10K
3676

P3D 10K

P3E 10K

C21

J35
1N4148 1N4148

15n

R17

TO_M1098

3612

R12A 4K7

R12C 4K7

#3521

C5 100n

100n C4 J1B

R14B P2B 50K

GS SG V51-15V

EFX_SEND

J1D

J1F

R13A 47K

R13C 47K

R13E 47K

MC4741

MC4741

R13B 47K 4K7 R12B

R13D 47K 4K7 R12D

MC4741

J45 R13F 47K 4K7 R12F
1B 4393 BASS

J1A

J1C

J1E

R55 15K #3998 BROWN F

1B 4393 BASS

1B 4393 BASS

1B 4393 BASS

1B 4393 BASS

1B 4393 BASS

16V 100u

16V 100u

R10A 82K

R10C 82K

10K 2n2 R47 10K 1K R46

#3523

R2F R1F

16V 100u

16V 100u

16V 100u

R2E 33K 33K

R1E

16V 33u

100R

R9A

#3460 RED

BALANED_INPUT J2 LINE_IN #3660 #3498 J3 J4

BALANED_INPUT J6 LINE_IN #3660 #3498

BALANED_INPUT J7 J8 LINE_IN #3660 #3498

BALANED_INPUT J10 LINE_IN #3660

BALANED_INPUT J53 J54 J11 J52

#3460 RED

33u 16V

R9B 100R

16V 33u

100R

R9C

33u 16V

R9D 100R

16V 33u

R9E 100R BALANED_INPUT

33u 16V

R9F 100R

J28

J30 J29

J12 J13 J14

R48 C33

C3B

C3D

C3F

33K 33K

C3A

05C 4391 GAIN

05C 4391 GAIN

C3C

05C 4391 GAIN

05C 4391 GAIN

C3E

05C 4391 GAIN

05C 4391 GAIN

1B 4393 MAIN_EFFECTS

C48

100n

C4A

C4C

C4E

P8

U6

TLO72

J27

J33 J31

JB2F

#3498 JB1E

JB2E

#3660

#3660

#3498 JB5

#3937 F F YELLOW WC1 GREEN 3950

MAIN_OUT
WHT

JB7 JB6

CHASSIS_GND IG MONITOR_OUT WC3 #3498

AMP._INPUT #3528

WHT

JB1A R1A

J41

562R 4K99 562R 4K99

562R 4K99 562R 4K99

100n

562R 4K99 562R 4K99

100n

100n

C2B

C2D

100n 100n

TSTJIG2

TLO72

100n

100n

100n

R56 R59

J56

U1A

U1C

U1E

1.

4u7 C26 63V

562R 4K99 562R 1n 1n C1B

249R 249R

R3B R4B

562R 4K99 562R 1n 1n C1D

249R 249R

R3D R4D

C1E

1n

C24 R29 R30 220R 220R 220R

47p 36K 470R J16 R38

3n3 36K 15K 22n 180K 10n NO PART 470R

249R C1F 249R

R3F 10uF R4F 16V

1K R53

R51 U5 36K 2n2 C28

R4A

C42 C41

4K99 R2A 4K99 249R R3A 249R 1n C1A 1n

JB1B C2A JB2A R7B 4K99 R5B R8B R6B 33078 R2B 4K99 R1B 4K99 JB2B

JB1C R1C

R4C

4K99 R2C 4K99 249R R3C 249R 1n C1C 1n

JB1D C2C JB2C R7D 4K99 R5D R8D R6D 33078 R2D 4K99 R1D 4K99 JB2D 249R 249R R3E 1n 1n

LINE IN
C2E R7F R4E 4K99 R5F 562R R8F 4K99 R6F 562R 33078 1n C2F

JB1F

LINE IN
J57 C59

620R R25 C32

63V 4u7

470R R28

#3998 F BROWN

WC2.

470R R26 JB2 NTR

J18 100n C38 470R R31 J40 J39

J19 C27 R50 R52 C31 R54 C30

R5A R7A R6A R8A J1 C2

R5C R7C R6C R8C

C53

R5E R7E R6E R8E

C54

C55

J58

C3

C56

35V C35 22u

220R

100n

100n 100n 100R

R57

150K R58 150K 27p C58 27p

6K98/1% 15K 100R 100R

#3676

100n

CLP1 CLP2
AMP-REF. AMP-IN

47K 47K

R39

U7 DNES MC4741CP

C36 22u 35V

3612

VCD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

MAR/08/95 MAY/04/95 MAY/17/95 AUG/30/95 . SEP/18/95 NOV/20/95 . AUG/26/96 . D D D D D D D D D D D D D

1.00 1.00 1.10 1.10 . 1.20 1.30 . 1.40 . V V V V V V V V V V V V V

M522&M1092_SAME_PIN_OUT_ON_HEADER R29__15K-->36K,R55__36K-->15K PC#_____DELETE_C29__(1N) PC#4825_RCA_JK_HOLE_FROM 0.063"-->0.093" PC#4819_NOBLE-POTS-->A/D-POTS PC#4935 C10 AND C13 MOVED AWAY FROM POTS PC#4942 1 HOLE FOR RCA JACKS MOVED PC#5053_ADD_2_STAND-OFFS #3859 PC#5094_CHANGE_GROUND_OF_RING_OF_J6 N N N N N N N N N N N N N

U9

J37

ASSEMBLY PCB MECH

M522-1.30 M522-1.30 03.1-225M EDISREDLOS

RIBBON CABLE BLACK LINE MX1
3612
#3676

J22

MODEL(S):- MM-6 # DATE VER# DESCRIPTION OF CHANGE

C37

U8

M522.PCB_DATABASE_HISTORY

# 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

DATE D D D D D D D D D D D D D D D D D D D D D D D D D D D

VER# V V V V V V V V V V V V V V V V V V V V V V V V V V V

DESCRIPTION OF CHANGE N N N N N N N N N N N N N N N N N N N N N N N N N N N

MC4741CP

"500. "80 ETCH0. "210 GUIDE. "020.

R32 R41 R42 R45

J44 C34 J42

C57

MX1

TLO71

J17 R34 6K98/1% 6K98/1% R35

15K C25 680p 6K98/1% R21

R36

J21 C39 C40 R44

+15V SG -15V

100R R43 J20

R49

R37 R40

RETURN

SEND

91K R33

J23 J24 J25

JB4

P1A 20K

P1C 20K

ETCH GUIDE. "020

"500. "800. "210.

16V 100u

P1E 20K

22u 35V

C47 50K

100n

EFX_RETURN

C5A

R11B 4K7 U2A 82K R10B C4B

C5B 100n P1B 20K

C5C

R11D 4K7 U2C 82K R10D C4D

C5D 100n P1D 20K

R10E 82K

R11A 100n

4K7

R11C 100n

4K7

C5E

R11E 100n

4K7

R11F 4K7 U2E 82K R10F C4F

C5F 100n P1F 20K

J43

C23

6K8 R23

WC2

R22 J32 C9

6K8 47p

YELLOW F #3937 WC1.

1B 4393 MAIN_NASTER

47p

P2A 50K

P2C 50K

P2D 50K

P2E 50K

P2F 50K

P6

P7
1B 4393 MONITOR_MASTER

#3498

C50 100n 100n C49

R14D

R12E 4K7

C7A R14A 1K

C7B 1K

V51+ +15V

C7C R14C 1K

C7D 1K

C7E R14E 1K

C52 100n 100n C51

C7F 1K

J34

35V 22u

1B 4392 TREBLE

C6A 15p 1n

R14F

50K

C7

C6B 15p 1n

1B 4392 TREBLE

M522 MM6 VER:1.30 SERIAL#

22u 35V

NI-PM AMP-IN A

1B 4392 TREBLE

C6C 15p 1n

C6D 15p 1n

1B 4392 TREBLE

1B 4392 TREBLE

C6E 15p 1n

330K

Q1 C6

33K 100n

D2 D1 R2 C1

680K R5 RED(CLIP) LD1 C8 R3

J38

GRN(PWR-ON) R4 1K5 LD2

1K5 50K

MC4741CP

SP1A

SP1C

SP1E

100K

Q3
TB3
250TAB

USE THIS LAYOUT IF 100K THERMISTOR IS STUFFED
#6810 MJL21193
#6991

Q12 +15V MJF6388

Q13 -15V MJF6668

#8607 SPACER A56

B C23

E

B

E MJL21194
#6988

BLK_XFMR
XFMR

RTV
R39 J2 470R 15K J3 100n J4 100n IN5246 C14 100n 100n C17 470R J5 J6 15K IN5246 R34 J7 D27 C1 D14 33u 16V R1 4K12/0.1% 37K90 R3 7K96 R4 681R C9 100p D1 4148 4148 D2 R17 1W 100R C11. 4700u 63V RTV PART#5869 D20 PX6A02 PX6A02
BAR DOWN BAR DOWN

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

C2 47p D17 U1 MC33078

4148 4148 4148

D16

4N7 250VAC

C22

390R

D28 R13 D3 D7 D29
390R

100K R18 5K36 2K2 2W J18

4148

R37

R8 R19.
390R R10

Q3 10K 120R 1N 4K7

MJE15030

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

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

F1 CSA-6A-FB/125V . #3414 . . CE-F6,3A/230V WC1 WC2 YELLOW O/P BROWN AGND

XFMR

D18
BAR DOWN

RTV.

PX6A02
#6434

953R J10 C21

AGND

22V

XFMR

TB7

D24 10K R42

CLP2

-15V

AGND

+15V

1u C20 25V

AMP-IN

RED_SEC2

F2 CSA-6AFB/125V . #3414 . . CE-F6,3A/230V

IN4004

1N4148

2K2

2M2

2u2 25V

J9

C24 10n

10n C10

TO_PRE-AMP

M5XX

R6 10R R49

D23

BC550 33R R48 100K

BC550 R33

D19

Q14

#6434

R41 D25 R43

C6 33R R46

D8

D9

4148 4148

100K R5

Q2

16V 330u

BC560 R21
16V

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.

R35

OUTPUT

OUTPUT

100u 25V C7

33R2 274R R20 Q6 Q7

R38 3R9 1W

C8

BLK_XFMR TB1 TB5 RED_SEC1

R32 C15 D26 C16

RTV

XFMR

R40

J11

5uH

YEL._C-TAP

C18

U2A

R9

C12.

C3

1N2 100N

5W 0R15

TLP62_

A56 R28 150R 4K12

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