Yorkville MM4 / MM4R 150w, 4 inputs Mixer/Amp Service Manual
YORKVILLE MM4 / MM4R is a compact 4-channel mixer with a variety of features that make it ideal for a wide range of applications. With its 3-band EQ, 2 aux sends, and phantom power, the MM4 / MM4R is well-suited for both live sound reinforcement and recording. The mixer also features a built-in effects loop, allowing you to add your favorite effects to your mix.
Some of the possible use cases for the YORKVILLE MM4 / MM4R include:
- Live sound reinforcement for small to medium-sized bands and ensembles
- Recording and mixing music in a home studio
- Podcasting and voiceover work
- Use as a sub-mixer for larger mixing consoles
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SERVICE MANUAL 1. Parts List (Current Model) 2. M500 Input Board • M500 Schematic • M500 PCB Layout WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (905) 837-8481 Fax: (905) 837-8746 Voice: (716) 297-2920 Fax: (716) 297-3689 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 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 CONNECTED TO CHANNEL 4 OUTPUT R10C NOTE: 47K V+ D5D R11B CONNECTED TO CHANNEL 2 OUTPUT 47K D5B R11A ALL UNMARKED DIODES ARE IN4148 47K LD1 CLIP LED R15 1K RED R11C D5A 47K Q1 MPSA13 R14 D5C R37 R16 47K 220K 36K D3 JB1A R9A C1A 2 MIC 3 INPUT 1 SG IG R3A R5A 249R 562R 100R 2K2 C4A 16V 100u 4K99 R1A JB2A 1 1 3 R2A U1A 1/2 S R T R4A R6A R8A NO_GOLD 2 4 6 249R C2A 562R 4K99 LINE_IN R10A R12A 82K 4K7 10K C9 47u 1 3 1/2 SG MID 50K R22 CW 6K8 B1 P2 R13 6K8 +V 2 1 HI 10K U5 1/2 R24 C1 47u R19 6 82K 5 R23 SG MIC 3 INPUT 1 C13 C19 R27 100n 100n 100n 100n 100n 100n C3 C4 C16 C6 2K R32 100n 100n 100n 100n 2K R9C IG R7C C3C33u 249R 562R 4K99 GAIN 20K EFX SEND 100R 05C P1C C4C 16V 100u U3A UNBAL-I/P RCA RCA 1/2 R1C -40 33K UNBAL-I/P R6C R8C 249R C2B 562R 4K99 R2C 1n U6 R28 620R TL072 EFX RETURN EFX LOOP 4 2 R S 3 GOLD 2 TIP S 1 JB3 JB4 1 4 6 R T 3 5 10u C20 16V 47K 1 1/2 SG R12C U4A TL072 150K TL072 1/2 R34 2 3 C21 27p R33 R31 1.3V 82K 5532 R4C 1 3 R10C 1 3 6 T 5 2 33K 2 CW 16v R5C 470R SG SG 1n R29 10K 1/2 C5 R3C R30 10K C12 1n C14 C1C R26 5532 2K2 B1 P5 C2 JB1C 2 LD2 GREEN CW 1K C15 SG 7 U5 1/2 +15V SG POWER ON LED C7 47p C11 1.3V SG 3 3K3 15n 5532 V- R47 1K8 1.3V R21 B1 P4 C8 47p SG 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. 82K CW 0dB U2A TL072 1n D5 R36 R20 47K MASTER VOL. 2 5532 4K99 4K7 B1 P3 D4 = AC VOLTAGES WITH TONE CONTROLS FLAT 1K Hz I/P WITH GAINS AT MAXIMUM 05C P1A 2 4K99 3 5 R17 CW CW 16v C3A 33u R7A 1n LO 50K R18 GAIN 20K 4K7 0dB 47K MPSA13 U6 7 6 1.2V 150K C22 27p R12B 4K7 R12D 5 R35 SG SG CLIP AMP-REF AMP-IN -15V GND +15V V- EBC STYLE "P25" V+ 4K7 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 100n D2 D1 R25 24K C10 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 10u 25v C23 YORKVILLE DATE: JUN/17/99 MODELS: NAME: M500.SCH PCB#&VER: MICROMIX_MM-4 M500 C24 10V 10u TO POWER AMP. SCH ISSUE: 7.10 TITLE: 4_CHANNEL_MIXER 6.00 . 6.10 6.20 . 6.30 . 7.00 . 7.10 . . 8.00 . 9.00 . . V V V 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 M500.PCB_POT_LIST MODEL(S):- MM-4 FUNCTION PART# KNOB AS_OF P1A P1B P1C P1D P2 P3 P4 P5 R R R R CHAN1_GAIN CHAN2_GAIN CHAN3_GAIN CHAN4_GAIN MASTER BASS MID TREBLE F F F F JAN/2000 . . . . . . . N N N N STYLE "P25" 4148 J23 C12 R34 GOLD_T EFK_RET "500. R35 150K 27P J55 TJH2 C22 J62 C19 100N R29 R30 R33 150K 27P C21 R26 R27 R32 R28 "800. ETCH "210. GUIDE "020. TL072 47K R31 10u C20 16V U6 470R 10K J21 J17 EFX_SEND PART# #3521 3676 00.9-005M .TED LLIRD SHEAR -15V -15V TO_M1098 SGSG +15V +15V AMP-IN AMP-IN GREEN WIRE CLP2 MX1. 8POS.RT.ANGLE_MOLEX AMP-REF. AMP-REF. 1 WC1 C23 J24 PART# SIG_GND SIG_OUT +15V J25 GND -15V VER 9.00 C24 10U 100V J27 100V 10U 6 1/2" BLACK J34 J60 J61 J29 JB4 47K P5 10K J19 2K J18 2K 620R 1B PART#4566 TREBLE P4 M500 00.9-005M 4148 J22 4148 D5 D4 6K8 R17 1B PART#4568 MID P3 JB3 10K 2K2 R22 50K B R23 C1 24K Q1 C 1K R24 C11 15N J26 R21 3K3 47U 10V R25 MPSA13 J28 P2 1N 4148 220K 36K 82K 4148 4148 1K 47K 100N 6K8 R13 47P 82K R19 10V 47U J14 J15 J16 J13 4 1/2" YELLOW WC3. 1B PART#4566 MASTER 47K 2K2 R20 R18 1K5 #3460 RED 249R 249R R3D R4D 1N 1N R12D D5D J35 C1D C2D R11D 47K 562R 562R R5D R6D J59 4K7 100N R7D 4K99 R8D 4K99 C6 100N J38 100N 4 1/2" BLACK JB2D R10D J37 82K R9D 100R U3 TL072 U4 5532 J54 R3C R4C R10C R12C C14 C5 4148 D5C J39 J58 C4D C3D 33u 16V R7C R6C R5C 4K99 R8C 4148 TAPER PART#4568 BASS SHEAR REF #8704 #8704 #8704 #8704 #8703 #8705 #8705 #8705 K K K K 50K 25V 100U SHEAR #4567 #4567 #4567 #4567 #4566 #4568 #4568 #4566 P P P P 4K7 WHT J10 J11 J12 WHT C16 100N 1N R11C 249R 249R 82K 4K7 1N 100R C1C C2C WC2. 4K99 562R 562R J43 47K C4C C3C 47K R11B R12B J57 4K7 D5B M500.PCB_DATABASE_HISTORY 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 JB2C 33u 16V J45 J44 249R 249R R4B R3B C1B 1N C2B 1N 25V 100U R9C 4K99 R1B R2B 4K99 JB2B 4K99 562R 562R R6B R8B 4K99 C3B R5B J48 82K 100R R9B TL072 U1 C3 100N R7B J51 J56 5532 33u 16V C15 100N J50 100N C2 4148 D5A J52 R10B C4 100N R2A 4K99 4K99 R1A R11A 249R 249R 4K7 R12A J36 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 FUNCTION #3650 LINE_IN 25V C4B 100U U2 R3A R4A 47K 4K99 R8A 25V R9A 100U 100R R10A 82K JB2A C1A 1N C2A 1N C4A SHEAR TJH1 R7A 4K99 R6A 562R R5A 562R J53 C3A FUNCTION #3650 #3460 JB1B FUNCTION #3650 RED JB1A LINE_IN 33u 16V 4 1/2" BLACK J7 J8 J9 J4 J5 J6 J1 J2 J3 P1A FUNCTION #3650 C9 LD2 SHEAR R15 R14 C10 D1 D3 D2 R37 R16 R36 C8 SP R R47 10K SP 5532 R2D 47K C13 C7 100N 47P J31 R1D 47K TAPER PART#4567 GAIN P1D PT#8664 LD1 U5 G . PART#4567 GAIN P1C J32 J42 J41 P1B J33 GUIDE ETCH "210. "800. "500. . PART#4567 GAIN 20K 47K R2C "020. . PART#4567 GAIN WC3 WC2 20K R1C 47K 20K J40 SHEAR 4 1/2" YELLOW PT#8664 20K SHEAR 3610 P:\500V90.PRN M500 SHEAR 00.9-005M EDISREDLOS PRODUCTION NOTES +16V_BAT +15V +45.5V D16 4N35 B D15 C C 5 4 4148 D28 100K R5 2 D14 NC E D13 2 4K12/0.1% 33u R1 U1 R2 Q14 2N5638 +16V_BAT C24 AGND R46 -16V_BAT 100n C16 16V 1N5246A D8 WC1. L1 5uH U1 7 0R15 R33 -.58V 16V 1N5246A D9 R13 1N5402 D12 Q11 Q7 BC550 R23 274R 4148 D29 Q13 MJF6668 R38 3R9 25.4 VRMS 150 WATTS @ 4R GAIN = 20 C7 25V 100u Q10 MJ15031 6 100K R6 1W 10R 2 390R -.85V R35 2K2 MJL21194 D10 4148 R24 33R2 68R R36 -15V 1W 150W/4R WC1 C6 25V 330u R18 5K36 C12 1n2 20K R12 1 JB2 AGND D6 4148 BAT85 1/2 5 R40 470R 3 R28 33078 -.58V 390R R10 S 5 R26 AGND 4K12/1% 150R Q5 MPSA56 100n C17 D30 4148 D4 AGND D5 4148 R51 33K Q3 MPSA56 C15 R17 -45.5V R47 0R15 R31 C5 100n 12K R11 R 220n 2W 16V 500mW D26 16V 500mW D27 10R R48 PIN 8 U1 PIN 4 U1 33R 10N A R39 470R AGND 100n R9 4K7 33R R49 CW MJF6388 Q12 C14 C10 C3 63V 2u2 100R 10R 10N R16 +15V 4 C8 R25 4K12/1% R50 270K Q15 BC550 10K R8 6 T R37 7K96 AGND WC2 R27 270R R14 R3 1W 2 OUTPUT 150W/4R RT1 R44 R30 2K2 150R Q4 MPSA06 T 10K 37K9 1 JB1 1 100n C4 Q2 BC550 1/2 953R 3 BAT85 BC560 Q1 3 1 3 S 5 AGND 5W +.67V C9 100p D11 D3 750R R15 R4 1N5402 Q8 MJE15030 5W D1 681R C1 +.60V C11 1n 33078 100n Q9 MJL21193 2W C2 47pF 16V 15K R34 D7 4148 R45 390R AGND 2 OUTPUT R29 Q6 BC560 D2 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 15K R32 R21 33R2 120R 1.2 VRMS +45.5V R20 274R R19 33R 3 U2 TLP62_ OPTOLED R 2W 1 4 D17 A 6 6 T -45.5V 100R -16V_BAT ENCLOSE CIRCUITRY IS OFF-PCB. TB4 2.5A-SB F1 (35.5VAC) TB5 TB3 T1 BLACK F3 SW1 GREEN #1396 TB6 AGND TB7 WC5 4n7 CSA C22 TB2 AGND +45.5V C18 4700u 63V WC2. PX6A02 PX6A02 60Hz 150VA 22n CSA C23 6A-FB D18 PX6A02 D19 6A-FB WHITE (35.5VAC) F2 120V A.C 60HZ LINE D20 PX6A02 -45.5V TB1 CHASSIS WC3 C19 4700u 63V D21 4004 BROWN T1.6A GR/YEL 4n7 C22 680n C23 F1. F6,3A 245V BRN 230V 230/245VAC 50Hz 177VA PT#1398E BLUE BLUE SEMKO APPRVD SWITCH PT#3702 25V 2u2 C21 MJF6388 MJF6668 BCE BCE 2N5638 MPS-A56/A06 BC550 BC560 DSG EBC CBE CBE AGND 25V 2u2 C20 D23 BRN/BLK 2M2 D25 R41 2K2 D24 5251B 22V D22 4004 AGND R43 R42 10K MJL21194 MJL21193 AGND MJE15031 MJE15030 M1098.SCH_DATABASE_HISTORY NOTES: 1. ADJUST R9 FOR 3.0 mV BIAS ACROSS TP1 AND TP2 BCE F6,3A F2. B CE 2. Q3 IS THERMALLY COUPLED TO HEAT SINK 3. TP TEST POINT EXPORT AC PRIMARY YORKVILLE MODEL(S):# DATE MM-4 VER# DESCRIPTION OF CHANGE 1 2 3 4 5 6 7 8 9 10 1.10 . 1.20 . 1.30 1.40 . 1.50 1.60 1.70 JUL/05/95 . FEB/12/96 D JUN/04/98 JAN/11/99 . MAR/08/99 JUN/08/00 AUG/31/00 DATE: AUG/31/00 MODELS: MM-4_MM-4CE NAME: M1098 PCB#&VER: M1098 . 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 TITLE: AMPLIFIER_150W Q3 VCD ASSEMBLY PCB MECH M1098-5.00 M1098-5.00 2.00 . 3.00 . . . 3.10 . . 3.20 4.00 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 00.5-8901M OUTPUT WIRE FOR MM-6 33R R46 10R R47 AGND -57V +57V D8 R37 RTV R38 3R9 1W M1098 VER:5.00 SERIAL# J17 4148 D5 O/P WC1. 2-OZ COPPER 5uH L1 PART# 10R 1W 1N5402 1N5402 D12 R26 Q5 C7 4148 100u 25V 16V J18 4148 5W 0R15 33R2 R24 OUTPUT WIRE FOR MM-4 O/P D6 R31 R30 R21 16V C6 33K 270K BC560 33R2 274R R20 Q6 Q7 R36 68R D9 16V 330u R51 R50 BC550 R33 Q4 MPSA06 10K Q15D30 R18 BC550 5K36 2K2 2W R35 1N2 100N RT1 2K2 2W C12. 0R15 5WATT 390R R27 150R 4148 4148 J15 J16 4K12/1% R13 D3 D7 D29 #6811 Q11 MJE15031 D10 Q10 B E TP2 D4 BAT85 C5 100n R23 274R D11 Q9 4148 A56 R28 150R 4K12 #6988 R25. BC550 33R R48 100K BAT85 R9 4K7 FUNCTION 4148 10n C10 C11. D28 390R Q2 R6 10R R49 MJL21194 #6991 E Q8 R29. TP1 33R B R45 Q1 2u2 63V BC560 100K R5 MJL21193 MJE15030 R12 270R R14 12K 20K R11 C4. J12 J13 750R Q3 10K 120R 1N C24 10n C3 J14 CLP2 AGND R2 J11 4148 4148 M5XX AMP-IN D24 R42 AGND 10K TO_PRE-AMP +15V 2u2 25V 22V R15 D13 D15 R44 U1 MC33078 37K90 R3 7K96 R4 681R C9 100p D1 4148 4148 D2 4N35 953R J1 1u C20 25V 2N5638 Q14 R8 R19. 390R R10 D14 D17 33u 16V J8 -15V RTV. 2M2 1N4148 4148 4148 4148 U2 J10 4700u 63V PART#5869 D22 IN4004 #6434 PX6A02 D19 BAR DOWN MODEL(S):- MM-6/MM-4 # DATE VER# DESCRIPTION OF CHANGE JUL/06/95 . NOV/02/95 . . . DEC/06/95 . . FEB/09/96 AUG/25/98 U2A 00.5-8901M EDISREDLOS M1098.PCB_DATABASE_HISTORY 1 2 3 4 5 6 7 8 9 10 11 R1 4K12/0.1% TLP62_ RTV R41 D25 R43 #6434 BAR DOWN BAR DOWN . CE-F6,3A/230V XFMR TB7 C2 47p R40 C21 2K2 RED_SEC2 F2 CSA-6AFB/125V . #3414 . D23 AGND #6434 IN4004 BROWN O/P WC2 WC1 YELLOW D18 BAR DOWN PX6A02 C18 XFMR TB6 AGND XFMR F1 CSA-6A-FB/125V . #3414 . . CE-F6,3A/230V PX6A02 D21 YEL._C-TAP #6434 RTV PX6A02 BLK_XFMR TB1 TB5 RED_SEC1 OUTPUT OUTPUT C19 D20 1W 100R WHT_AC 250TAB #6810 C1 D16 PART#5869 R16 C22 J9 4N7 250VAC 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 TB2 4700u 63V RTV WC2. WC3 NOTES SEE . . BLK_AC TB4 XFMR E RTV R17 1W 100R XFMR B A56 C23 BLK_XFMR #8607 SPACER Q13 -15V MJF6668 E C8 B 220n Q12 +15V MJF6388 TB3 250TAB YELLOW BLANK SIZE=15.800" X 6.700" "007.6 X "008.51=EZIS KNALB Q9/Q11 # 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 PRODUCTION NOTES 1 2 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 3 TRANSISTOR MOUNTING 4 STUFF U2 4N35 OR U2A TLP621 NOT BOTH Q8/Q10 #8607 SPACER #8607 SPACER B C E B C E NOTE: SUPPLIES MUST BE SYMETRICAL TO WITHIN +/- 10% D16 1N4004 1W R3 C4 100u 10K R31 Q7 MPSA93 D 1K5 Q14 BC560 MPSA43 R16 10K 200R R7 1K5 VA_OUT 16V C2 68U R18 25v C14 470p R8 30K GND BC550 Q11 16V C5 33U GND 1mA 2V0 250mW D12 BAV21 R22 D14 200R C15 10v 100N R9 18K Q4 MPSA43 C16 63v 4u7 1K R1 RED FE6BTR OUTPUT R46 0R1 L1 POUT 16V C6 33U D7 68K GND C18 R29 10V 2N2 2K7 0.5W 10R R39 22R 2K7 R48 68K R51 5K6 R49 R45 0R1 R24 Q13 MPSA93 D8 R17 Q9 MPSA93 249R C12 25v 680P Q3 MPSA43 PILOT LD1 68K R28 D6 2K7 C10 10V 2N2 5uH GND D4 GND GND 33U C7 16V 470P C11 60v R30 470R 2K7 R14 R23 4K7 M520 R52 30K 200R R4 R42 R27 Q12 BC550 2K7 C3 25v 2N2 R6 100K 200R R12 C13 25v 100P D G N 47R S 10v 500mW R21 200R R44 10K R34 200R D10 Q16 IRFP250 D15 1N4004 OUTPUTS I/P SGND VGND V+ Q1 MPSA43 Q2 D9 R25 R15 IAMP_IN C1 68U R47 68K R11 5K1 Q8 BC550 5mA D5 R10 D11 249R Q6 MPSA93 16V R13 Q10 BC550 FE6BTR Q5 S 10v 500mW D2 C9 75v 4p7 C19 75v 4p7 Q15 IRFP250 G N 470R GND MPSA93 63v 2W R19 10K R41 4K7 2W C20 100p R2 100K 200R R26 4K7 R5 0.5W C17 63v 30K 4u7 R32 30K R20 GND D1 GND IRFP250 GOLD MPSA43 BC560C BC550C R S USE 2W MPSA93 T JK1 GOLD T EBC EBC CBE CBE R S USE JK2 GD S YORKVILLE DATE: AUG\29\94 MODELS: NAME: M520MM4.SCH PCB#&VER: MM-4 M520-1.10 R9. 3R9 C5. 100V 100n GND SCH ISSUE: TITLE: MM4_PWR_AMP 1.10 RIBBON CABLE BLACK LINE SHEAR SHEAR 01.1-025M LTED LLIRD 01.1-025M EDISREDLOS 2N2 550 PART# R53 J17 1 FUNCTION LINE_IN 63V 4U7 J1 J2 C16 LINE_IN ASSEMBLY PCB MECH 10V D11 J3 D G V+ GND VSIG GND I/P SIG 560 FUNCTION PART# S 1 M520-1.10 M520-1.10 IRFP250 FUNCTION Q15 STUFF 5 PIN MOLEX FOR MM4 ONLY BLACK LINE PART#6928 IRFP250 S D G 250V 100N 2WATTS 3R9 D1 R34 A43 SHEAR Q16 PART#6928 FUNCTION C21 01.1-025M BLK J5 D9 63V 4U7 C17 1/2W MINI PT#4989 MC1 FUNCTION NO PINS FOR MM4 V- 1 DO NOT STUFF FOR MM4 D16 R41 4004 1WATT 4K7 V+ J4 R11 J6 PART# D8 D6 FE6BTR FE6BTR R39 22R R17 Q10 BAR DOWN D7 R51 R30 4148 4148 R6 S- GND 4148 R12 68K R47 5K1 R25 2K7 2N2 249R BAR DOWN A93 5K6 470R R21 2N2 C3 200R 100K 249R YEL S+ C10 5WATTS 0R1 J7 Q9 68K R29 C11 L1 5UH R13 470P D15 4004 68K C18 10R 0.5W R46 R45 R28 100K R24 5WATTS 0R1 2K7 100P 200R J10 200R 10K R44 J9 J11 D10 R4 Q4 R9 D14 C9 200R D12 10V 47R 18K J13 2V0 BAV21 LD1 Q6 A93 Q3 R26 A43 J15 Q7 A93 R5 Q1 A43 J12 470R C13 2K7 550 Q12 R 680P R27 30K 68K R52 R22 200R 4K7 J16 R20 30K R48 C4 R31 R15 C12 J8 R14 100U 63V 10K 2K7 D4 J14 R1 FUNCTION 4148 2K7 C15 Q5 R19 10K VCD 4P7 C19 4P7 1K 200R 550 200R R23 4K7 100N A93 470P C5 16V 100P 33U C20 550 R16 4148 R49 R2 R8 Q8 A93 D5 10K 1 30K Q13 33U 16V R3 R18 Q11 Q2 A43 C14 33U 16V 4148 R7 C1 FUNCTION C7 C6 Q14 D2 C2 R32 30K 16V 68U 1K5 1K5 R10 16V 68U R3 4K7 D4 R24 1K8 24.6 V R25 1K8 RED LD1 R2 33K 1.1v C2 -42.9 VDC 470p 1.0 V D2 RX2 0.5W 0.5W 82R 82R RX3 RX4 0.5W 0.5W 82R 82R 100R +0.15 VDC R18 1K5 62K R21 C8 68u 16v 3V0 BZX79C ZD3 R5 1K3 Q3 MPSA06 -43.5 VDC R10 1.0 V 100R D1 BAV21 RT1 470R R17 15K A -1.4 VDC 6.2V 470p R16 680R C6 C12 10n 1K5 LD2 51K R31 R30 1K 2K7 R43 4 OHM MINIMUM R26 10n R32 1K5 0.5W R42 10R R40 0.5W 1K5 C5 470p -44.2 VDC 390p NOTES: 1. ALL UNMARKED DIODES ARE 1N4148. 1.0 V R13 10R 22n C14 MJH11017 SELECTED 26.3 V -1.4 VDC 4R7 Q10 180R Q4 MJE340 10R 0.5W R36 1K D7 26.5 V -12.6 VDC R11 100R R39 4R7 TP2 D9 R29 0R18 R38 R34 470R -1.1 VDC R12 1K5 L1 24.5 V R33 51K 180R 1n5 R15 680R C10 RED R37 0R18 5uH R41 Q8 MPSA56 -44.8 VDC 1.5V S TP1 C13 -45VDC R6 3K3 R JB2 R14 +45VDC JACKS T D8 R28 1K5 Q5 MPSA06 C7 10p D3 OUTPUT BDV67D Q7 MPSA56 C11 63V 4u7 C4 15p RX1 4.0 V Q6 MPSA06 D6 7K5 R20 GND SPEAKER LOAD R19 33K R7 4K7 S R35 +0.12VDC Q1 Q2 MPSA56 MPSA56 -42.2 VDC R JB1 0.5W +0.67 VDC C1 220n 1K R27 NOTE:ADJUST RT1 FOR 7mv BETWEEN TP1&TP2 COLD +4.8 VDC AC I/P VOLTAGE 1.1 V +0.15 VDC R4 15K 33V BZX79C ZD1 +0.12 VDC R1 T D5 +24.7 VDC Q9 0.5W 16V BZX79C ZD2 C3 4u7 63V R23 1K8 C9 25V 100u +16 VDC R22 1K8 5W AS MEASURED BETWEEN THE POINTS INDICATED 5W DIFFERENTIAL VOLTAGE +45VDC 0.5W AC VOLTS MEASURED INTO 4 OHM LOAD WITH AC PRIMARY AT RATED LINE VOLTAGE 0.5W DC VOLTS MEASURED NO SIGNAL AC VOLTS 0.5W DC VOLTS CW U:\M478V32.PRN FOR EUROPEAN UNITS ONLY NOTE:ADJUST RT1 FOR 2.5-3.0mv BETWEEN TP1&TP2 COLD ALL VOLTAGES MEASURED WITH RESPECT TO GROUND 2. Q5 IS THERMALLY COUPLED TO THE HEAT SINK SELECTED MJH11017 ARE YORKVILLE PART # 6803 0.2V -45VDC 2.92A YSL3411 8AMP BRIDGE 120VAC 10N GREEN CHASSIS MOUNT PARTS NOT ON PCB MJH11017 BDV67D BROWN 63V 4700u YSL3411 220VAC C16 63V 4700u 50HZ BR1 YSL6422 YSL#1283 Y/GREEN 63V 4700u -45VDC 200VA BLUE BR1 YSL6422 C15 63V 4700u -45VDC YSL#1290 CHASSIS MOUNT PARTS NOT ON PCB MJE340 MPSA06 MPSA56 YORKVILLE SOUND LTD B C E +45VDC 8AMP BRIDGE T1,6A 60Hz 200VA WHITE EUROPEAN POWER SUPPLY +45VDC YSL3695 BLACK E CB EBC CAD FILE NAME: C:\PCAD\EXE\ C\MP4.SCH FOR MODEL(S): PCB #: M478E MM4&MM4E DESIGN BY: P.I PCB VER: M478-9.0 DRAWN BY: H.G SCH ISSUE: 3.20 DWG #: 1 OF 2 DATE: TITLE: FEB\10\94 MP4_POWER_AMP. #8800 NUT BELLY BUTTON PT# 3800 #8800 NUT #8820 WASHER #3563 BRACKET WASHER PT#3511 WASHER PT#3511 WASHER PT#3511 BEND AND CRIMP BRIDGE LEGS UNDER PCB #8800 NUT 5uH 4R7 0.5WATT 4R7 0.5WATT 22N 400V 680R 0.5WATT 680R 0.5WATT 510R 0.5WATT 510R 0.5WATT 510R 0.5WATT 510R 0.5WATT 680R 0.5WATT 680R 0.5WATT ZD2 R2 R1 R33 R19 C2 FUNCTION 15K 33K 1K 16V BLACK WIRE M478A = 9 1/2" M478C+M478E = 7" 6" BLACK (7" BLACK FOR M478E) 10R 0.5WATT R41 10R 0.5WATT R42 4" YELLOW (5" BLACK FOR M478E) R39 R40 C14 Q4 WITH SCREW BELL WASHER NUT LINE_IN 4U7 63V LINE_IN C15 Q4 MOUNT #8792 #3501 #8793 PART# AC - AC + 6422 4700U PART#5859 50V 50V C1 PART#5859 4700U 33V C3 15K 220N 100V R4 4K7 J4 R36 1K5 C16 5WATT R18 4148 D9 10P MPSA56 Q2 R38 15P C4 15K R17 4K7 R7 390P R18 1K5 D3 D2 C7 ZD1 TP2 R3 00.01-874M EDISREDLOS 4148 4148 1K5 R12 FOR EURO SEMKO ADD #8629 SPACER ON M478E ON LEADS OF R37 AND R38 #3892 MPSA56 Q1 51K 33K 470P D1 500*60,B BAV21 C8 68U 16V 1K3 470P 100R 180R 10R 3K3 100R R5 1K 4148 1K5 10N 1K 1K5 10N 100R MJE340 MPSA06 R32 C13 R31 R27 PART#6803 MPSA56 51K 4148 COLOR COLOR Q8 MJH11017 FUNCTION MPSA56 Q7 D5 1N5 180R 2K7 R26 R43 LD2 4148 4148 4U7 63V 470R 4148 3V J6 470P 680R 1K5 VCD R37 C9 C10 19 PES 5WATT R18 100U 25V 1K8 0.5WATT 1K8 0.5WATT 00.01-874M R24 MPSA06 Q6 LD1 R6 R10 C5 R11 R14 R13 C11 J1 C12 R30 D7 R28 D6 R29 R16 R22 R23 1K8 0.5WATT 1K8 0.5WATT TP1 R20 680R PART# IDLE 470R HEAT SPREADER PCB #8830 R15 D4 R34 D8 R35 Q5 BDV67D ZD3 C6 MPSA06 R21 STAND MPSA06 IN 0.25" STIR STICK BRIDGE BE SURE THAT THE MICA FOR THE BDV60 IS NOT UNDER THE MPSA06 USE THERMAL COMPOUND UNDER MSA06 R25 ASSEMBLY PCB MECH DEVICE BELLY BUTTON PT# 3800 62K 7K5 0M478 0.01-874M LTED M478-10.00 M478-10.00 P:\478.PRN M461 HE T SPRE DER DEVICE ">

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