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SERVICE MANUAL

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

Manual-Service-mp8dx-1v4.pdf

Parts List 10/29/99
YS # 3507 3550 3557 3571 6994 6940 5906 6403 6410 6425 6825 6438 6827 6934 6434 6733 6439 6440 6436 6450 6486 6822 6824 6432 6463 6426 6485 6738 5101 5102 5103 5104 5105 5106 5119 5123 6814 6815 6902 6903 6912 6988 6989 6990 6991 6798 6840 6882 6745 6943 6962 6981 6992 6993 5190 6448 6880 6477 5400 5405 5406 5203 5199 5410 5412 5416 5816 5206 5273 5274 5426 5275 5209 6451 5204 5300 5207 5210 6435 5222 Description 28 PIN X .6" I.C DEEP SOCKET 44PIN PLCC SOCKET 84PIN PLCC SOCKET 28 PIN X .6" I.C. SOCKET CRYSTAL CODEC 44PIN PLCC 16MHZ CRYSTAL VERT 2-PIN .25"CASE RED 3MM LED 1V9 20MA .4SPCER T&R ORN 3MM LED 1V7 5MA GRN 3MM LED 1V7 5MA CLEAR BRT BAV21 200V 0A25 DIODE T&R 1N4148 75V 0A45 DIODE T&R 1N4004 400V 1A0 DIODE T&R 1N5402 200V 3A0 DIODE MR854 400V 3A0 DIODE FASREC 6A2 200V 6A0 DIODE BAT85 30V 0A2 DIODE SCHTKYT&R 1N5225B 3V0 0W5 ZENER 5% T&R 1N750ARL 4V7 0W5 ZENER 5% T&R 1N753ARL 6V2 0W5 ZENER 5% T&R 1N5242B 12V0 0W5 ZENER 5% T&R 1N5244B 14V0 0W5 ZENER 5% T&R 1N4745A 16V0 1W0 ZENER 5% T&R 1N5246B 16V0 0W5 ZENER 5% T&R 1N5248B 18V0 0W5 ZENER 5% T&R 1N5251BRL 22V0 0W5 ZENER 5% T&R 1N5254B 27V0 0W5 ZENER 5% T&R 1N5256C 30V0 0W5 ZENER 2% T&R MC7805CT TO220 P 5V0 REG V1 BC550C TO92 NPN TRAN T&R TB BC560C TO92 PNP TRAN T&R TB MPSA06 TO92 NPN TRAN T&R TA MPSA56 TO92 PNP TRAN T&R TA MPSA13 TO92 NPN DARL T&R TA MPSA63 TO92 PNP DARL T&R TA 2N5638 TO92 NCH JFET T&R TC NJM431L TO92 S 2V0 REG T& MJF6668 T221D PNP TRAN DARL TJ MJF6388 T221D NPN TRAN DARL TJ TIP142 TO218 NPN TRAN DARL TE TIP147 TO218 PNP TRAN DARL TE BDX53C TO220 NPN TRAN DARL TE MJL21194 TO3P NPN TRAN TK MJL1302A TO3P PNP TRAN TK MJL3281A TO3P NPN TRAN TK MJL21193 TO3P PNP TRAN TK MC4741CP IC QUAD OP AMP MC33078P IC DUAL OP AMP TL072CP IC FET DUAL OP AMP LM13600N IC XCONDUCTANCE AMP 74HC374N IC OCTAL DTYPE LATCH 74HC30 IC 8-INPUT NAND GATE 27C512 PROM IC YORKVILLE 16X16 PRG 1365-102 IC DIGITAL REVERB ASIC 1250-101 IC SRAM 32KX8 MBS4992 TO92 8V5 DIAC BT139 TO220 16A TRIAC 500V 4N35 OPTO-COUPLER 100K 5% 1/4W THERMISTOR T&R 0.2 _10P 100V 10%CAP T&R BEAD NPO _27P 200V 5%CAP T&R RAD CER.2"NPO _33P 50V 10%CAP BLK BEAD NPO _47P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 10%CAP T&R BEAD NPO 220P 100V 10%CAP T&R BEAD NPO 470P 50V 10%CAP T&R BEAD NPO 680P 100V 5%CAP T&R RAD CER.2"NPO __1N 400V 5%CAP T&R RAD .2"FLM __1N5 200V 5%CAP T&R RAD CER.2"NPO __2N2 200V 5%CAP T&R RAD CER.2"NPO __2N2 50V 10%CAP T&R BEAD Y5R __3N3 100V 5%CAP T&R RAD .2"FLM __4N7 250V 5%CAP T&R RAD .2"FLM __4N7 250V 20%CAP BLK 'Y' 10MM AC _10N 100V 10%CAP T&R RAD .2"FLM _10N 50V 10%CAP T&R BEAD X7R _18N 100V 5%CAP T&R RAD .2"FLM _22N 100V 10%CAP T&R RAD .2"FLM _22N 275V 20%CAP BLK 'X2' 15MM AC _33N 100V 10%CAP T&R RAD .2"FLM Qty. YS # Description Qty. 1 5224 _47N 100V 10%CAP T&R RAD .2"FLM 5 1 5226 _68N 100V 5%CAP T&R RAD .2"FLM 8 1 5228 100N 100V 5%CAP T&R RAD .2"FLM 20 1 5314 100N 50V 10%CAP T&R BEAD X7R 23 1 5230 180N 63V 5%CAP T&R RAD .2"FLM 2 1 5233 330N 63V 5%CAP T&R RAD .2"FLM 2 11 5234 470N 63V 10%CAP T&R RAD .2"FLM 1 1 5240 680N 63V 10%CAP T&R RAD .2"FLM 1 1 5255 __1U 63V 20%CAP T&R RAD .2"EL 1 4 5256 __1U 63V 5%CAP T&R RAD .2"FLM 3 62 5259 __4U7 63V 20%CAP T&R RAD .2"EL 2 5 5281 _10U 16V 20%CAP T&R RAD .2"NP 2 3 5282 _10U 16V 20%CAP T&R 5X7MM .2"NP 11 2 5260 _22U 50V 20%CAP T&R RAD .2"EL 3 8 5631 _22U 50V 20%CAP T&R 5X7MM .2"EL 25 1 5961 _33U 16V 20%CAP T&R RAD .2"NP 8 1 5267 100U 25V 20%CAP T&R RAD .2"EL 4 4 5879 100U 16V 20%CAP T&R 8X7MM .2"EL 18 5 5914 100U 63V 20%CAP BLK 10X13MM EL 6 1 5630 330U 25V 20%CAP BLK 10X13MM EL 10 1 5618 470U 25V 20%CAP BLK 10X15MM EL 2 4 5887 2200U 50V 20%CAP BLK 18X27MM EL 1 2 5859 4700U 50V 20%CAP BLK 25X36MM ELS 1 2 5892 6800U 80V 10%CAP BLK 35X40MM ELS 2 1 5900 10000U 63V 20%CAP BLK 35X45MM ELS 2 1 4581 ROT GRY 18MM 4BIT ENCODER P23 2 2 4566 _10K B LIN 9MM P25 26 1 4567 _20K 5C R/A 9MM P25 16 7 4568 _50K B LIN 9MM P25 10 10 3999 _20K 1B LIN 30MM OPN S06 14 4 4520 _10K TRIM POT 1 2 4541 100R TRIM POT 1 13 2408 8.0 AMP CIRCUIT BREAKER 1 2 3759 ___4UH COIL 14AWG ZOBEL VERTICAL 1 2 3819 ___5UH COIL 18AWG R000 AIR CORE 1 1 8674 R385 PLASTIC CORNER W TREAD 8 1 3490 CLIP 250X032 14-16AWG DISCO/INSL 7 2 3494 CLIP 205/187X020 14-16AWG DISCO/INS 2 2 3682 250 MALE PCB TAB BULK CARTRIGE 14 2 3498 1/4" JCK PCB MT HORZ 4 1 3921 1/4" JCK PCB MT VERT STER RT SWT 11 3 3466 RCA DUAL PCB MT VERT GOLD 24MM 3 1 3454 XLR FEML PCB MT VERT 24MM FLT CONT 8 1 3451 EYELET SMALL 0.089 OD PLATED 25 3 3414 INTERNATIONAL PC MOUNT FUSEHOLDER 2 9 2425 2.0 AMP SLO-BLO .25X1.25 FUSE 1 7 3630 FAN GUARD METAL 80MM CHROME 1 10 3863 FAN 80MM X 80MM 39CFM 12VDC 173MA 1 1 8458 10.5" STRAP HANDLE, PLASTIC COVERS 1 1 8604 10-32 T NUT 2 1 3692 HEATSINK THERMALOY 6079-PB 2 1 3501 B52200F006 COMP WASH #4 SMALL 5 1 3719 DUAL XSISTOR TO218 SPRING YEL PLTD 2 1 3745 DUAL XSISTOR PBL SPRING PLATE ZN 4 1 3804 SNAP ON 1.5" INSULATING BUSHING 1 1 3806 RECTANGULAR WASHER FOR TRANS SUPPRT 3 2 3803 NYLON SECUR-A-TACH MINI PLASTIC TIE 1 2 3810 4" NYLON CABLE TIE 9 1 3471 8' 3/16 SJT AC LINE CORD 250 CLIPS 1 3 3821 HEYCO #1200 STRAIN RELIEF 1 1 8900 YORKVILLE WARRANTY CARD 2-YR UNLTD. 1 8 3638 12 CIR CABLE HOLDER .098 1 2 8701 4-40 KEPS NUT ZINC 4 1 8800 6-32 KEPS NUT ZINC 2 3 8797 5/16-18 KEPS NUT JS500 1 2 3846 TO220 THERMO PAD LARGE HOLE 56359B 3 1 3866 ELASTOMER PAD TSIL 3 1.2X6.0 3 2 3580 12 CIR WAFER W/LCK VT 0.1" 1 29 3818 EMI SUPPRESSION FERRITE BEAD T&R 3 6 4597 22AWG STRAN TC WIR JMP 55 2 4599 22AWG SOLID SC WIR T&R JMP 118 1 5299 24AWG SOLID SC WIR RAD JMP 14 6 4745 5.0W 0R1 5% BLK RES 6 1 4729 5.0W 0R27 5% BLK RES 4 18 4694 5.0W 1R8 5% BLK RES 1 1 4703 2.0W 2R 5% T&R RES 2 1 4605 1/8W 10R 5% T&R RES 11 13 4686 1.0W 10R 5%FLAME PROOF T&R RES 2 2 4709 5.0W 22R 5% BLK RES 1 3 4589 1/8W 33R 2%FLAME PROOF T&R RES 7 YS # 4995 4957 6200 4590 4602 4852 4987 4984 6201 4857 4977 4770 4780 4789 5010 4950 4690 4698 4933 4980 4799 6203 4891 4922 4673 4743 4923 4924 4925 4758 4823 4913 4981 6110 4585 4802 4824 4988 4738 4919 4705 6202 4587 4588 4936 4805 4788 6136 4756 4793 4627 4827 4943 4982 6128 4978 4801 4926 4990 4810 4800 4940 4983 6116 4860 4775 4771 6125 6123 4777 4956 6129 4840 4947 6122 4794 4878 4908 4834 4927 Description 1/4W 33R2 1%FLAME PROOF T&R RES 1/4W 47R 5% .2"U T&R RES 1/4W 47R5 1%FLAME PROOF T&R RES 1/8W 100R0 1%FLAME PROOF T&R RES 1/8W 100R 5% T&R RES 1/4W 100R 5% T&R RES 1/4W 120R 5%MINI T&R RES 1/4W 150R 5%MINI T&R RES 1/4W 200R 1%FLAME PROOF T&R RES 1/4W 220R 5% T&R RES 1/4W 220R 5%MINI T&R RES 1/4W 249R 1% T&R RES 1/8W 274R 1%FLAME PROOF T&R RES 1/4W 324R0 0.1% *** T&R RES 1/4W 330RX9 5% 10PIN SIP RES 1/4W 390R 5% .2"U T&R RES 1/2W 442R 1% T&R RES 1/8W 475R 1%FLAME PROOF T&R RES 1/4W 470R 5% .2"U T&R RES 1/4W 470R 5%MINI T&R RES 1/4W 562R 1% T&R RES 1/4W 590R 1%FLAME PROOF T&R RES 1/4W 620R 5% T&R RES 1/4W 620R 5% .2"U T&R RES 1/2W 680R 5% T&R RES 1/4W 681R0 0.1% *** T&R RES 1/4W 680R 5% .2"U T&R RES 1/4W 750R 5% .2"U T&R RES 1/4W 820R 5% .2"U T&R RES 1/4W 953R 1% T&R RES 1/4W 1K 5% T&R RES 1.0W 1K 5% T&R RES 1/4W 1K 5%MINI T&R RES 1/4W 1K0 1%MINI MF T&R RES 1/4W 1K2 5%MINI T&R RES 1/4W 1K21 1% T&R RES 1/4W 1K5 5% T&R RES 1/4W 1K5 5%MINI T&R RES 5.0W 1K8 5% BLK RES 1/4W 2K05 1%-NO SUBS- T&R RES 2.0W 2K2 5% BLK RES 1/4W 2K21 1%FLAME PROOF T&R RES 1/4W 2K32 1% T&R RES 1/4W 2K43 1% T&R RES 1/4W 2K7 5% .2"U T&R RES 1/4W 2K87 1% T&R RES 1/4W 3K160 0.1% *** T&R RES 1/4W 3K3 5%MINI T&R RES 1/4W 4K120 0.1% *** T&R RES 1/4W 4K590 0.1% *** T&R RES 1/2W 4K7 5% T&R RES 1/4W 4K7 5% T&R RES 1/4W 4K7 5% .2"U T&R RES 1/4W 4K7 5%MINI T&R RES 1/4W 4K99 1%MINI MF T&R RES 1/4W 6K8 5%MINI T&R RES 1/4W 6K98 1% T&R RES 1/4W 7K5 5% .2"U T&R RES 1/4W 8K2 5%MINI T&R RES 1/4W 9K1 5% T&R RES 1/4W 10K0 1% T&R RES 1/4W 10K 5% .2"U T&R RES 1/4W 10K 5%MINI T&R RES 1/4W 10K0 1%MINI MF T&R RES 1/4W 11K 5% T&R RES 1/4W 14K0 1% T&R RES 1/4W 17K8 1% T&R RES 1/4W 18K 5%MINI T&R RES 1/4W 20K0 1%MINI MF T&R RES 1/4W 21K5 1% T&R RES 1/4W 27K 5% .2"U T&R RES 1/4W 27K 5%MINI T&R RES 1/4W 33K 5% T&R RES 1/4W 33K 5% .2"U T&R RES 1/4W 33K 5%MINI T&R RES 1/4W 37K90 0.1% *** T&R RES 1/4W 43K 5% T&R RES 1/4W 45K3 1% T&R RES 1/4W 47K 5% T&R RES 1/4W 47K 5% .2"U T&R RES Qty. 4 16 3 5 1 9 1 4 2 6 5 16 2 1 1 6 1 4 2 17 16 6 2 9 2 1 2 3 1 1 6 2 12 2 16 1 1 1 2 1 2 2 1 1 1 1 1 3 4 1 2 17 2 26 32 5 5 2 2 3 1 1 12 27 2 1 1 26 2 2 2 7 17 1 13 1 7 2 2 1 YS # 6119 4835 4928 4836 4760 4586 4929 4942 6120 4851 4796 4865 6127 4880 4948 4951 3740 9892 9006 9010 9011 9140 9250 9564 9811 8865 8742 8861 8741 8842 8799 8801 8829 8823 8803 8785 8874 8749 8781 8783 8821 8843 8740 8607 3744 3739 3859 8657 8667 8482 8818 8817 3436 3587 8581 3398

Parts List 10/29/99
Description 1/4W 47K 5%MINI T&R RES 1/4W 56K 5% T&R RES 1/4W 56K 5% .2"U T&R RES 1/4W 68K 5% T&R RES 1/4W 75K 5% T&R RES 1/4W 82K 5%MINI T&R RES 1/4W 82K 5% .2"U T&R RES 1/4W 100K 5% .2"U T&R RES 1/4W 100K 5%MINI T&R RES 1/4W 120K 5% T&R RES 1/4W 180K 5%MINI T&R RES 1/4W 390K 5% T&R RES 1/4W 470K 5%MINI T&R RES 1/4W 680K 5% T&R RES 1/4W 1M 5% .2"U T&R RES 1/4W 4M7 5% .2"U T&R RES 15" 12C-26AWG RIB 1 W/LCK HDR 098 CABINET COVER, BLUE/BLACK, 54" WIDE 20GA SATINCOAT STEEL 4 X 8 SHEET 16GA COLD ROLLED STEEL 4X8' SHEET 16GA SATINCOAT STEEL 4 X 8' SHEET .125" 48X96 UTILITY ALUM W/PLASTIC .040" 48X96 5052H32 ALUM VINYL LAMI HEATSINK (RIDGE) AP812/818/DJM806 3/4"X4'X8' SPRUCE STAN. SHEATING 4-40 X 5/16 PAN PH MS JS500 4-40 X 3/8 PAN PH TAPTITE JS500 4-40 X 3/8 PAN PH MS JS500 4-40 X 1/2 PAN PH MS JS500 #4 X 5/16 PAN QUAD TYPE A JS500 BLK #6 X 1/4 PAN PH TYPE B JS500 6-32 X 3/8 PAN PH TAPTITE JS500 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 6-32 X 1 PAN PH TAPTITE JS500 8-32 X 3/8 PAN QUAD TAPTITE JS500 #8 X 3/4 OVAL PH TYPE A JS500 BLACK 8-32 X 1" PAN PHIL TAPTITE JS500 10-32 X 1/2 QDX PH TAPTITE JS500 #10 X 7/8 FLAT PHIL TYPE A JS500BLK 10-32 X 1 PAN QUAD TT JS500 BLACK 10-16 X 1 3/32 TYPE B HEX W/SLOT BL 10-32 X 1 1/8 FLAT PH MS JS500 5/16-18 X 3 GRD 5 HEX BOLT JS500 3/16 NYLON SPACER OD 1/8 X ID .063 SNAP IN .375 SPACER RICHCO CUSTOM .4 LED SPACER 1/2 PLASTIC HEX SPACER #4 6-32 X 3/8" HEX SPACER ALUMINUM SHOULDER WASHER SWS-229 LENGTH 1/8 3/8 1D FLAT WASHER 3/4 OD X 5/16 ID X .08 THICK WASHER #10 FLAT WASHER FOR 3/16" BOLT DPDT PUSH SW PCMT H BREAK B4 MAKE DPDT ROKR SW QUIK 250"AC/PWR ON-OFF CUSTOM PBL TRANSISTOR SPACER THRL.BRKR:OP@198F/CL@173F 36TX21 Qty. 2 1 5 6 2 10 16 2 4 3 3 1 3 4 5 8 1 8.25 2.6 4 0.16 0.083 1.3 1 4.05 20 2 4 3 19 1 11 2 3 8 32 5 4 2 9 6 2 1 4 7 2 10 1 3 12 2 15 1 1 6 1

5W

5W

680K R242

C93 4N763v 27K R88

LVGND KILL 4148 D28

33U C48 16v R110 3K3

5W

5W

5W

AOG

R219 Q10 A63 16V/1W 1N4745A D65 C69 25V 470u Q25 BC560 R111 NJM431 2V5
1 3

590R R218 590R R113 590R

4148 D59 390K R240 4K7

10U 16V

R76 4K7

BAT+ 6K8 R133 R127 2K32 2K43 R134 D70

D38 4148 R136 27K R123 68K

0.5W

VBE-BLK
TP10

FAN SPEED CONTROL CIRCUIT
D88 R18 PSGND 27K 500mW 6v2 R241 2K7 Q52 MPSA56 +28V

ACLP FET_CNTL

Q37 MJL21193 Q36 MJL1302A

Q35 MJL21193

Q38 MJL21193 MR854 D71

AOG

AOG

LVGND D6 500mW 14V 12V 500mW D89 R1 56K

9K1 BATD75 D39 4148 4148 680R R79
0.5W

PHANTOM_POWER
+37V
1W

R217 10R 1K0 R236 6V2 1N753ARL D64 4V7 BAV21 D43

2N2 100V C84

D29 +16V 1N750A 4.7V R237 27K R226 AOG 43K Q50 BC560 C89 50V 10n Q23 BC550 R105 68K OPTOLED
6 5 4

2

1W

R191 0R1

R190 0R1

R194 0R1

L1

+16V

27K R91

43K R90

R228 150R

15N C57

R117 U5A 47R 7 6 (4=ABAT-,8=ABAT+) 33078 1/2 R75R 3 U5A 47R 1 2 (4=ABAT-,8=ABAT+) 33078 1/2 R74R 5 U6A 47R 7 6 5 D37 Q29 BC550 D36 Q28 BC560

1/2

590R

5W

IN 2

1W

4K7 16V Q5 A06 A06 R12 4K7 Q6 D10 500mW 6v2 R8 4K7 R10 100R BLK C15 25V 100U EY2 EY1 30CFM D9 R9 680K 1N5246B

BDX53C

R13 680K

PSGND

Q54 BC550
1 1

R252 270K R185 D92 4148 R251 33K
2 2

BSIG MC1 BREF MC1 BCLP MC1 ACLP MC1 AREF MC1 ASIG MC1 +16V MC1 LVGND MC1 -16V MC1 +24V MC1 +5V MC1 DIGND

CW

0.5W

8 9 10 11 12

+24V

C59 100P R120 324R0 R130 D34 4148 D33 4148 D32 4148 D30 4148

5W

TIP142

Q8 MPSA06 Q9 BC560

4K7 R25 4K7 R26 Q2 MJF6668

C13 25V 100u LVGND C14 25V 100u

2 3

1 U1
1/2

1 C45 100V 10N

2 R173 56K BOG BOG

R165 68K BOG R179 1M

5

U3B
1/2

4K12 R158 33u C53 16V Q34 2N5638 C90 100V 100n BOG R174 953R BOG 2K87 R140 R141 681R 6 C63 33P

R159 200R R139

R224 D53 4148 47N C80

R210

TIP142

C8 50V 4700u
21 X1

C10 35V 100u

C12 25V 22u

1/8W

R29J

10K0

10K0

3

U3B

7

1K21

R157

5

U5B

2W

5W

D4 D16
13A/85C

R176 150R -16V

WC7

WC5 X.BLK 120VAC 60Hz 598VA PT#1250 WC3 X.BLK VIO CSA CSA C19 4N7
21 X2

WC2 GRY WC12 RED/YEL PSGND WC18 GRY WC11 YEL WC8 RED PSGND WC1 RED WC19 PSGND

8A/SB

5W

8AMPS AC.BLK CSA CSA C18 22n

8A/SB 8A/SB

6A2 6A2

BLK PSGND

R83 10K R82 10K R85 10K PSGND

8A/SB

D19 6A2 D18

C40 50V 10000u

-16V TO PIN 4 OF U1R

C38 100V 100n BOG

27K R161 KILL BCLP 4148 D60

43K R160

R229 150R 33U C52 16v Q51 BC560 R180 3K3 Q30 BC550

BOG R227 43K
6

4N35 C91 50V 10n
5 4

D51 D50 1N5225B D49 3V0

5W

6A2 D17

O

4148 D52 D91 4148 Q17 MPSA56 47N C79 Q20 A63 D58 4148 100R 1 R154 470P C78 BAV21 D85 100R R225 100K
2 2

T
BOG

R249. 11K 4148 D91. VBE-GRN 475R R156 475R R212 TIP147
TP12

R145 4K12

U4B R175 68K

-

4148 D47 4148

C23 25V 100U

2R R230

WC6 CHASSIS AC.WHT GREEN BLACK WHITE
1 AC.GRN WC14

-37V

WC17 230V.DUMMY VIO WC10 F2

2A/SB

D80 6A2 D81 6A2 6A2 C6 80V 6800u

TP8 TP3
+70V R20 10K R21 10K R22 10K R23 10K

BBAT-

M1093.SCH_DATABASE_HISTORY
MODEL(S):MP-8DX # DATE DESCRIPTION OF CHANGE VER#
1 2 3 4 5 6 7 8 9 10 NOV/29/95 . . DEC/04/95 DEC/11/95 JAN/08/96 FEB/05/96 JUN/02/97 JUN/24/97 FEB/04/98 1.30 . . 1.40 1.50 1.60 1.70 1.80 1.90 2.00 PC#4971_ADD_R243,R244,R245,R246,C35 TO_SUPPLY_CIRCUIT_FOR_U5B PC#4972_U3A,U3B_TL072->NJM3404AD PC#4973_R153_2K05->4K12 PC#5286_SECONDARY_FUSES_DELETED CORRECT_SW_ON_NA_PWR_SUPPLY ADD_1M+22N_AT_PIN_5_OF_U2 PC#5397_CHANGE_BIAS_SETTING CORRECTIONS_IN_PWR_SUPPLY PC#5588_R11_150K->180K

MJII21194 MJII21193

MJII3281A MJII1302A

10K0 R152 BIAS - ADJUST R201 FOR 5mV +/-0.5 BETWEEN TP9 AND TP12 WHEN COLD. IF HOT, ADJUST TO 6mV +/-0.5

BOG 1N5402 D73

120 VAC

PSGND D82 6A2 D83 T6.3A
13A/85C

PSGND

R209 R142 6K98 Q16 BC550 R148 274R R149 33R2 100V C87 220P 33R R208 100V C88 220P

2 120R R151

PSGND C2 80V 6800u

M1093.SCH_DATABASE_HISTORY
-70V

AC.BROWN

DUMMY 245V.BRN/BLK BRN RED/YEL GRY RED YEL RED BLUE

GRY

TP4
CSA CSA 680n PART#1250E 230/245V 50Hz

MODEL(S):MP-8DX # DATE DESCRIPTION OF CHANGE VER#
1 2 3 4 5 6 7 8 9 10 JUN/02/98 AUG/12/98 FEB/10/99 APR/21/99 . . OCT/20/99 . NOV/29/99 APR/18/00 2.10 2.20 2.30 2.40 . . 2.50 . 2.60 2.70 TRANSFORMER_WIRE_COLOURS_UPDATED PC#5190_NA_FUSE_10A-SB->12A-SB PART-ID_ADDED_R235,R104,R234,R233 PC#5890_THERMISTOR_R185,R186_100K-> 10K_ADD_R249,R250,R251,R252,Q53,Q54 D91,D92 PC#6148_ADD_R249,R250,D91,D92 PC#6146_12A_FUSE->8A_BREAKER PC#_____SECONDARY_FUSES_ADDED PC#6106_Q46,Q47_BDV65B->TIP142

B CE TIP147 TIP142

B CE

D89 D27 WC12 TP12 4K12_1% HS5 R153 REFERENCE DESIGNATIONS LAST USED / UNASSIGNED R241 R78 C93 C26,C27,28,35,55,65,72,73,74 Q52 J77

TIP147

5mV,COLD C25 R201 10K 10V 1U

A
CW

C85 100V 100n

33078
1/2

3

U5B

2W

33R

Q49

R205 2K2

Q48

D56 4148

R143 17K8

2W

2W

C39 50V WC9 10000u

R84 10K

+37V BYPASS CAPS

PIN 11

IABC

4 U2

33U 16v C51 BOG

220P R239 27K

C37 50V 100n

6

1

4148

10K0 R138

33K R250

R186

5uH
1 1

L2

1N750A 4.7V

B_OUT

D54 4148

5W

U:\M1093V3.PRN

R102 15K TL072
1/2

R107 AOG 7K5 R95 68K R109 2 3

R98 33K 1 U3A
1/2

FET TURN ON/OFF CIRCUIT
1N4004 D79 1N4004 D5 R19 4K7 R78 4K7 PSGND TLO72
1/2

AREF Q7 BC560 2M2 R15
0.5W

R92 10K0 6

R93 10K0 7

C43 16V 68N

C41 16V 68N R103 120K

400 WATT AMP
A_IN R101 1K0 A_IN 33U 16V C82 R215 3K3 R115 37K90 AOG R116 3K160 AOG AOG 4K590 R118 C49 16V 33U D44 33078
1/2

D25 1N4004 BATTERY BYPASS R235 R104 C31 50V 10n 10R 33R BAT+ R188 1K8
5W

1N750ARL 4V7 D68 D78 4148 D77 4148

30V/2% 1N5256C D62 BAV21 D13R 21K5 R184

+70V C29 100V 100n AOG

5 6

U3A

C42 7 16V 10N

TL072 R108 75K

ABAT+ TO PIN 8 OF U5A AND U6A

0.5W

0.5W

R14 D15 4148 4u7 25V C16 500mW 22V D11 4u7 25V C17

R24 180K

5 ASIG

U1
1/2

TLO72

AOG AOG R248 1M C95 100V 22N AOG 9 1 0 12

1M

C32 TO PIN 4 OF U5A AND U6A 100V ABAT4N7 R234 R233 10R 33R BAT-

6V2 1N753ARL D63 D42 4148 1K0 R231 R216 10R R222 1K

6 R128 2K21 MR854 D72 Q41 MJL3281A 5 Q42 R114 590R R220 590R R221 R126 33R R193 0R1 R192 0R1 R189 0R1 MJL21194
TP11

4

2 AMPA_OUT

T R S JB1

4K7

TP6

R100 10K0

R99 10K0

680R R80

5 6

3 4

1 2

D40 4148

BAT+ R112 Q24 BAT85 BC560 D9R 4148 9K1 R122 68K 16V/1W 1N4745A D66 Q11 A13 C70 25V 470u

C83 100V 2N2

T R S JB2

3

1

AMPA_OUT

D87 4148 180K 7 R81 3 2

LVGND 680K R89 TLO72
1/2 PIN 11

14 1/2 LM13600 (6=V-,11=V+) U2 4148 500mW 16V
D IABC

BC550 Q26

Q40 MJL21194

Q39 MJL21194 R195
5W

15 13

R106

5 6

33U 16v 150R C47 -16V AOG

AOG R96 120K C71 50V 100n Q33 2N5638 1K R121

3 2

R119 1 1K

U6A C58 47P 33078

U7

D24 1

D21

VBE-RED

U7

16

THESE TWO PARTS NOT STUFFED

D31 4148

1R8

4uH A_OUT AOG

R77 10R

C33 100V 10N

R129 27K R135 100R

R11 180K C21 4N763v

R232

Q4 BC560 Q3
MC1 1 2 3 4 5 6 7

3 OUT 1

R181 1K

R182 1K

27K R86 10K MJF6388 Q32 C24 25V 22u PSGND

SW1 BOG #6426 27V 500mW D20 LVGND

100R R200 5mV R132 9K1

VBE LIN

D76 4148 D41 4148

D84 Q27 BC550

1K R223

R125 2K21 AOG

Q43 MT2 BT139 G MT1

R87

R124 442R R187 1K8 D26 1N4004

D69 1N750ARL

21K5 R183 30V/2% 1N5256C D67

DIAC

Q45 MBS4992 8V

R131 43K BIAS - ADJUST R200 FOR 5mV +/-0.5 BETWEEN TP10 AND TP11 AFTER AC POWER APPLIED FOR MINIMUM OF 40 SEC

100n 100V C30

16v C50 10u AOG -70V

THERM ON_HS

O

T
100K

TP1
RED 6

BOG PSGND D3 1N5402

+/- 16 VOLT POWER SUPPLY
D2 4148 6K8 R2 18V 500mW D7 1K R4 MJF6388 Q1

TO_FRONT_PANEL Q31 MUST BE A MOTOROLA, NATIONAL OR T.I. PART IN ORDER TO WITHSTAND MAX. 40 V.D.C. AT 125VAC IN. +28V R150 Q31 7805 1 IN OUT 3 5W REF 22R +5V 2 C81 50V 100N DIGND
21 X3

NOTES: ALL UNMARKED DIODES ARE IN4148 BIAS:ADJUST R200 FOR 5-6mV BETWEEN TP10 AND TP11, AFTER AC POWER IS APPLIED FOR A MINIMUM OF 40 SECONDS

U4A . 4N35

1K5

C35 10n

10R R246

33R

BBAT+

R243 TO U5B PIN 8 TO U5B PIN 4 33R BBATR244 BAV21 D86 TIP142 R147 274R R146 33R2 D57 4148 Q19 BC560 470P C77 200R 33R 100R R211 33R R203 2K2 BBAT+ Q46 1N5402 D74 6 4 2 JB3 AMPB_OUT +37V

C34 10n

10R R245 BYPASS CAPS

R172 LVGND

TP5

+16V

10R

+5V_SUPPLY

BREF R162 R163 C46 16V 68N

21K5 C44 16V 68N

TL072
1/2

BOG R177 7K5 6

R168 27K 33U 16v C75 R171

B_IN 14K0

C86 10P

(4=BBAT-,8=BBAT+) 33078
1/2

T R S

7

5 6

3 4

1 2

LVNGND LVGND C7 50V 2200U C9 35V 100u 18V 500mW D8 6K8 C11 25V 22u 1K R5

TLO72 R170 10K0 BSIG R169 10K0 8

TL072 R166 120K R178 75K

R247 1M 7 5 C94 100V 22N 3

Q18 BC560 100K R207 D46 4148 D48 4148

Q47 16V/1W 1N4745A D22 TP9VBE-YEL 0R27 R197 0R27 R198 C22 25V 330U 5

T R S

3

1

JB4 AMPB_OUT

PSGND

BBATBBAT+ C60

TP2

-16V

Q14 MPSA06 R214 2K05 270K R249 Q53 BC550

475R R155 R144 4148 D92. 4K12 475R R213 R250. 11K

1N4004

D1 4148

R3

100K R206 Q15 BC550

R204
1W

TP7

+16V

1/2 LM13600 (6=V-,11=V+)

D

2

+16V D61

10R B_OUT BOUT BOG

D55 4148

0R27 R196

0R27 R199

16V/1W 1N4745A D23

2R R202

C36 63V 330N

-37V (TIP147)

MJF6668 MJF6388

BDX53C

7805

BT139

.
AC.BLUE CSA CSA AC.GRN/YEL 4N7 VIO T2A VIO

MBS4992

2N5638

MPSA63

MPSA06 MPSA56

BC550C BC560C

MODEL(S):. # DATE DESCRIPTION OF CHANGE VER#
1 2 3 4 5 6 7 8 9 10 APR/18/00 MAY/30/01 . NOV/26.01 . . DEC/10/01 . D D . 2.80 . 2.90 . . 3.00 . V V PC#6106_Q48,Q49_BDV65B->TIP147 PC#6383_REPLACE_R16,R17_WITH_JUMPER RELACE_J16_WITH_10R-1/8WFP(R29J) PC#6202_R102_43K->15K_C42_68n->10n R172_43K->22K_R173_100K->47K_C45_ 22n->10n PC#6491_R172_22K->21K5_R173_47K-> 56K_R168_33K->27K N N

200 WATT AMP
DATE: DEC/10/2001 MODELS: MP-8DX . M1093 SHEET 1OF 1 SCH ISSUE: TITLE: POWER_AMPS 3.00 NAME: M1093V3 PCB#&VER:

MT1 NC MT2

DSG

EBC

EBC

BCE B C E

BCE

CBE

OUT REF IN

MT1 MT2 G

230/245 VAC

YORKVILLE

C91

R110

R241 Q52 A56 A06 Q6

100R

BC560 Q30

R160

Q51

BC550 3K3

R176 U2

R10

D10

33U 16v

150R

R106

150R

VBE

TP12

43K R227 J67 J66 J44

LM13600

#4729 BDX53C FAN_CTRL #6912 B E

MJL21194

TIP147

#4745 J18

#4745

R1 96

TP1

68N

J19

590R 590R

C44

1N4004

5W 0R1

C37

D25

J60 J59

U3B

68N
C46

SHEAR

U1 TLO72

100N

R163 10K0 10K0 R169

R209

R170

J58 J57 J56

C43 68N R99 10K0 10K0 R166 J74
+24V +5V DIGND

MPSA63 Q20
16V

#4729 33R2 220P C88 475R R156

J14

10K0 MC1 J70 10K0

R184

J15

MJL21194

R2 05 R1 99

MJL3281A

R92 R162
AREF BREF ACLP

100N

R128

30V/2%
BAV21 4148 4148

D62

C75 TIP147 16v 33U Q48

D87

D9

0R27 5W

#6827

D21
16V TP6

100K R185

D7 3

1

15K 120K

5W 0R1

R102 R103

5W

1N5402

C38

J106R

R216 R189

R172 R173

21K5 56K

C85

J40 100N 100N

J37

1

10N C42

#6903

220P C87

J41

J22R

R193

J16

TL072

C94

TL072 C41 68N

#6988

J17

J61

1

J21 J20

22N

REPPOC.zo2

0R1

10N

Q49

J69

22N

C95

U3A

J24R

J1R

J3R J2R

Q40

R100

2WATTS

180K

1K

5W

#6903
R174

TP2

EY3

1K21 953R

C86

4148

R2 R230 C36 330N C14 6K8

R188

10K0 R158 4K12 C35 J34 10N 10R 10N 10R

C34

10K

VBE

25V 25V 100u 100u

MJL21193

TIP142

.

6K98

REPPOC.zo2

J36

5W

J68 D4
1N4004

J18R J17R J16R J7

442R
4148 D84

R124

J8R J9R

TP10

R113

MJL1302A

R210 R142 R203

33R2

R1 98

J50 100K J49

#6827
2WATTS 2K2 #4705

10K0 #4729

R85
R82 10K0 J45

1N4004

1N5402

RT V

50V C7 #5887

J11 J10

D74

RT V 2200U

VBE
#4745

R200

J93R J94R Q36 BC550

LINE_IN

0R27

100R

#3498

5mV

VBE

MPSA56 10V Q17 D56 1U #4520 C13 U5B C53 47N C80 4K12 RT R225 R208 V 1 MPSA06 R151 120R 33078 4N35 J64 D2 R143 1 17K8 Q14 R204 4148 R154 BAV21 D85 100R L2 JR16 C63 33P D46 C78 J63 470P #5914 D47 1K R244 100U 33R J35 35V R149 4K7 25V C10 100u BC550 C23 R25 33R 33R2 D23 Q16 D7 4148 R243 16V/1W 274R R148 18V Q19 D91 D22 16V/1W RTV R146 33R2 C12 BC560D92 560 R159 4148 4148 11K 200R 4K7 R249 R250 35V D52 R26 J65 11K R147 D54 100u C77 R224 470P 4148 274R Q18 100R 550 Q15 R207 R155 4K12 #5630 R5 C11 475R R144 560 18V J53 D1 D8 4148 C22 #4729 R3 6K8 WC17 Q46 D86 J52 4148 #6902 D57 J51
R157

680R 0.5W

4148

D40 D44

1M

16v 33U R115 R121 C49 R118 C57 DNS DNS 37K90 3K3 3K160 R215 R116 R130 1K5

#6738
+5V_SUPPLY

A13
R122

BAT85 4148

16v 33U

100R 33R

2N5638
U4B

BC560

R201

-16V LVGND

27K 680K 4N7

5mV

390K
R237 100N R88 C81 C92 7805
R24

R112 R222 9K1 D42 4148

Q34

D31 R126D9R R104 33R R233 33R

J19R

4148

1

#4738

C83

J54

#3580 TO_M1092-MIXER_PCB BSIG BCLP TP5 10R R29J +16V J42

1 TLO72

1K8 R231

C90 100N

4V7

R171

J21R

6V2

1K0 2N2 1K
16V/1W
Q11 D66

Q26 550

D77 Q24

J5R

BC560

R101 D33 R117 47R 33078 1 R75R
U5A

R74R 47R 1K R119

4148 4148

5uH

2R 2W 2W 2R

14K0 10P

C25

Q31

#3819

C93

R14

R152

10N

R245

D53 4148

4148 22V

D11

33R

#6815 B
+16VREG MJF6388

25V 4u7

D51 D50 D49

R246

L1 C70

25V 470u
R123

R80

C17

2K32 6K8 27K

D15

J2 J1

R242

1W 10R

4148

R153

10R 1W

10u 16v

D58

Q7

D30

C33

R77
#5618

68K J5 J4 Q10 A63
J31 J3

33078 1

p1 33U PAC 16v C82

C58
D37

Q1

47R

2K87 C60 2K05 681R 220P 10K 200R

D48

25V 4u7

4148 4148

4148 4148

16V/1W

4148

3V0

D39 D69

4148

MPSA06

J6 68K

E

R15

Q8

D65

2K43

-16VREG

MJF6668

16AWG #4694

R187

D76 D41

25V 22u

#5914 C9

5W 22R
#4709

R214 R141

25V 330U

#4738

6V2
R125 D64

Q25 D75 D43 R183

4148 4148 4148

R236

10R R217

Q9

1K

5W 1R8

R79 R223 1K 2N2 C84 1K0 560
4148

D38

Q28

560 43K 324R0 100P 4K590

R206 100K 100K

B

R111

4V7

R76

R138 R139

4K7 0.5W

R131

#5123

R132

2V5 NJM431

C32 4N7 BC550 10N Q29 C31 J7R #6989

R140

E

C59

D32

230V.DUMMY

BAV21

R150

5W 1K8

2K21 21K5 590R BLK

D67

BAV21 30V/2%

YEL_9" B_OUT 16AWG

WHT_12" B_GND 16AWG

4148 4148

25V 22u

Q2

D34

#6814

EYE4 R195

R235 R234

25V 470U

9K1

RED A_OUT

#3759
4uH

0.5W 4K7

C16

R4

C69 #5618

R127 R133 R134

JR17

47P U6A
4148 4148
D36

680R 0.5W

9K1

10R 10R

4N35 1

R136

R120

U4A

2N5638

D63

120K ASIG

4148

J55

#4705 2K2 R212 475R D55 R145 B_OUT 4148 R202 YEL 4K12 16AWG 47N C79

D68

180K 680K

D78

J28

#6988

D13R

J6R

Q33

10K0 10K0

4148 R93 D24 R89 R81 U7

Q42

J105R J20R

MJL21194

#4745

Q3

J62

5W 0R27

R165 C45

68K

R220 R221

27K R161 C51 33U R177 C52 16v 7K5 R168 R178 75K 1M 27K R179 R247 68K 1M

R239 27K D61

D88

1

27K R91

R107 7K5

J43 J32
R98 R95

D72

EY1

16v 33U

#3692

R90

C47

27K R238

4K7 R8

27K R18 GRN

43K R226

R96 120K

J22

6V2

4K7 R12

150R 43K

Q23

10N C89

10N

BLK RED

2K7

3K3

Q5

14V 12V
D89 D6 R229

4K7
D60 4148

4148

16AWG

25V 100U

560

4V7

A06

150R 43K J75

6V2

R228

33U 16v

RED

VBE
#6934
MR854
J23R

TP11 #6988

75K
1M

R248 1M

R108 R109 33K

R192

Q39 Q41
J4R C71 #6990

590R 21K5 2K21

R114

10R

EGAG ETUOR

Q4

C48

4148 D28

4V7

Q50

BC550

BC560

R105

ELOH/"10.0

R13

680K EY2

R9 C15

680K

R232

4K7

R180 R1 56K

4N7 C21

R186 #6902 TIP142
X.BLK

J9

J48 33R R211

LINE_IN

0R1

#3498

MJL21193

5W

J8

9

Q47

R191 J38

#6991 10000u 50V #5900

J46

97 R1

RT V
TP8 TP7

J14R J13R TP4

R190 R218 R194 R219

5W

RT V

0R1

.

WC5

RT V
4700U 50V #5859

5W 0R1

C3

J47

J11R J12R

AC.BLK

WC7
#6815

YEL

RT V

Q38
Q43 +#3501 +#8790 . #6448 BT139 DC_PROT TRIAC

MJL21193

475R R213 TP9

C8

J15R

590R 590R

.

SHEAR

D71 #6934

FOR VALUE_C18

E

B

10K0 1W 1K 25V 22u

6A2

6

6A2
WN DO

D3 WC9 WC11 BLK YELLOW F2 RED/YEL . 2A-SB/120V
1N5402

10K0

Q32

R87

1W 1K

MR854

D1

WN

SEE NOTE_6

#3498

WC18
GRY

LINE_IN

BA

R

DO

R

BA

7

RED

27V

J39 J12 J13

C18

#3692

D18
8A-SB/120V #3414 CE-T8A/230V
BAR DOWN

RT V
6800u 80V #5892

#6434

BEC

D8 D8
4004
BAR DOWN

3
BAR DOWN

10u 16v

.
X.BLK

#3414

WC3

.

.

WC19

YEL

PHANTOM_SW. BLU_15" BLU EYE5 16AWG .

F5
RED

F6

6A2
#6434

1N4004

#3414 CE-T8A/230V
BAR DOWN

RT V

AC.WHT

VIO WC10 VIO
.
.

4N7 RT V 250VAC

#6451

WC8

D19

PHANTOM_POWER

#3436

WC6

C19

RT V

#6434

6A2

GRY

8A-SB/120V

D5 D79 TP3

BA

R

DO

WN

MBS4992

#6434

6A2

#6434

Q45

6A2

D82

BLU WC2 16AWG .

D81

PHANTOM

27K

6A2

JB1 +#8661 SW1

.

VCD

KAERB OT DIOV TEEHS REDLOS

SHEAR

SHEAR
3

LINE_IN

#3498

RT V

0

.

100R

10000u 50V #5900

CE-T2A/230V

RT V

.

.

C24 D20

WC1

WC12

+#3501 +#8861 +#8701

PHANTOM MJF6388

10K0 R84 10K0 R83 .

#6434

#6434

WHT B_GND EYE1

R22

D1

.

.

P:\1093V54.PRN

REPPOC.zo2

"052.01X"057.21=EZIS KNALB3901M EDISREDLOS 04.5BLANK SIZE=12.750"X10.250" SHEAR 04.5-3901M LTED LLIRD
R175 68K R11 180K
R240

SHEAR
"500.

D59

D29

68K

"80 ETCH0. "210 GUIDE. "020.

PCB MECH ASSEMBLY

M1093-5.40 M1093-5.40

M1093.PCB_DATABASE_HISTORY
MODEL(S):- MP8-DX # 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 21 22 23 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 NOV/24/95 . NOV/28/95 DEC/11/95 DEC/13/95 . . FEB/06/96 . JAN/21/97 . 97/01/29 JUN/02/97 MAY/97 FEB/04/98 MAR/05/98 . OCT/20/99 . . . JAN/18/00 APR/18/00 . MAY/30/01 . NOV/26/01 . . DEC/10/01 . D D D D D D D D D D D D D D D D D D D 2.01 . 2.10 2.20 2.30 . . 2.40 . 2.41 . 3.00 . . 3.01 4.00 . 5.00 . . . . 5.10 . 5.20 . 5.30 . . 5.40 . V V V V V V V V V V V V V V V V V V V U3A&B_CHG_TL072-->NJM3404.LIMITER __LATCH-UP_FIX. PC_#4964_C18'S'_#5243_-->#5266 ADDED_BRK_HOLES_FOR_REG_XTR'S PC#4966_ADD_#8607_SPACERS_TO Q46,Q47,Q48,Q49 PC#4973_R153_2K05-->4K12_1%_#4774 PC#5019_1M+22N_ADDED_TO_U2.-U3A/B FROM_NJM3404_TO_TL072 PC#5265_RESISTORS_TO_FLAMEPROOF SEE_NOTE_BELOW CHG_VBE_MTG&ROUT_FOR_NEW_H.S. PC#5398_ADD_EXTRA_PAD_FOR_COIL PC#5397_VBE_ADJUST_5MV PC#5588_R11_150K->180K PC#5598_GRND_CHANGED_ADD_EYELET FOR_COIL PC#6147_REDO_JUMPERS_FOR_Q46,Q47 Q48_BREAKAWAY_BOARDS._MOVE_TRACES FOR_Q20,Q27 PC#6148_ADD_R249,R250,D91,D92 PC#6190_ADD_FUSES_F5_F6 PC#6106_Q48,Q49_BDV64B->TIP147 Q47,Q46_BDV65B->TIP142 PC#6383_REPLACE_R16,R17_WITH_JR16, JR17_J29->10R-1/8WFP(R29J) PC#6202_R102_43K->15K_C42_68N->10N R172_43K->22K_R173_100K->47K_C45_ 68N->10N PC#6491_R172_22K->21K5_R173_47K-> 56K_R168_33K->27K N N N N N N N N N N N N N N N N N N N

M1093 MP-8DX VER 5.40 04.5SERIAL#1M -390

#6991

PRODUCTION NOTES
1.PUT IN WHT WIRE (EYE1) BEFORE C39 AND C40. 2.THESE EYELETS ARE PUT IN FROM THE BOTTOM. 3.THESE EYELETS ARE PUT IN FROM THE TOP.

Q37 Q35

J95R J10R #4745

Q27

5W 0R27

D26

4. 5. 6. 7. 8. 9. 10. 11.

PUT #8613 CAP ON THERMISTOR R185, R186 THEN FOLD DOWN C18 NORTH AMERICAN PT#6435 22N 275VAC C18 EXPORT CE PT#5266 680N 250VAC ADD #8607 SPACER TO Q46,Q47,Q48,Q49 INDICATES FLAMEPROOF D22 D23 16V 1W #8607

VBE
R182 27K R86 R181

JB4 JB2

R19 4K7 R78 4K7 C29 100N 100N R20 C30 10K0 10K0 BLK R21 16AWG B_GND

10K0 R23 6800u 80V #5892

RT V
#6434

J26 J27 6A2

SPACER Q46,Q47,Q48,Q49

16AWG

C40

C6 C2

RT V

R BA

DO

WN

16AWG BLK_15" RED_15" EY6 A_GND EY7 A_OUT 16AWG C50

R135

PC#5265 TO FLAMEPROOF R74R,R75R,R117,R126,R211,R210,R209 R208,R159,R224,R155,R213,R156,R212,R154,R225,R128 R125,R114,R220,R221,R219,R218,R113

RING

R267A

R272A
L-BDY

R273A
L-BDY

CW

L-BDY

4K7 BASS 1 R107A 470R MID

SG 1/4"VERTICAL LINE_IN R114G 1K C56G 35V 100u R102G 4K7 R103G 4K7 +24V 50V C76G 1N0 IG R271G
L-BDY

2

82K

10K
CW

18K R108A 470R C27A 100V 22N R223A MONBUSS+ 7 5 U16A SG

R23

2 3 U4

1K R110 LED_COM

1
1/4

R83 620R R RCA D11 4148 D12 4148 33K R80 33K R81 R71 7 SG 10K R98 R5M 470K GE2_OUT 10K SG 9 10 R69 10K 8 U7
1/4

3 U18A
1/4

1B P10A

4741 TAPE_OUT MONITOR_LVL 10K C8 22u R22 6K8 6 SG 5 U4
1/4 CW

4741 SG R224A 47R 47R PIN 5 U15G R222A 10N 100V C29A SG 6 7 PIN 6 U15G 5 U18A
1/4

JB1G 2 MIC 3 INPUT 1

GAIN 20K
CW

(4=V-,8V+)

C9 47p

RING 1K R112 620R TIP

82K R105A

4M7 6

L

1B P8

JB9

MONBUSS+ 35V

R74 10R

1K C66 47P C65 47P R75 1K R85 R109 620R JB8 MON_AMP_IN 1/4"VERTICAL

C55G 50V 22U

C54G 50V 22U

05C P13A C52A 16V 100U R118A 82K R101A 1K2

R269G
L-BDY

1N5 C71A 50V SG 1B P11A
CW

1/2

TLO72

249R

562R C28G 50V 1N0 C26G 50V 1N0 R268G
L-BDY

4741 R123A 1K2 P15A 10K B
CW

MC4741CP R99 10K R61 2 3 R62 20K0

R56 18K 33K R121A EFX 3 SG R29 R120 10K0 2 R121 10K0 14 12 U7
1/4

10K TREBLE

TIP

249R

562R

4K99

4K7 1B P12A R106A

R117A

1B P7 6K8

4148 C7 47p

R77

LEDCOM2

Q2 MPSA13

R27

RING

249R

562R

1/4

RING

TIP

JB2G

RCA

INPUTS
MODEL(S):# REF
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P15A P11A P10A P12A P14A P13A P7 P8 P9 P10 P11 P12 P13-P21 P22-P26 D D D D D D

33K C24 47p EFXBUSS35V C23 22u 13 R97 10K0

18K EXF-SND R204 620R TLO72
1/2

MAIN_EFX

CW

MC3 2 MC3 3 MC3 4

SG U9 5 6
CW

M1112.SCH_DATABASE_HISTORY
MODEL(S):# DATE
1 2 3 4 5 6 7 8 9 10 96/03/30 JAN/25/00 OCT/24/00 FEB/15/01 . MAY/30/01 D D D D

M1112.PCB_POT_LIST
MP-8DX FUNCTION
EFFECTS_SND CHAN_TREBLE CHAN_MID CHAN_BASS MONITOR_SND CHAN_GAIN MAIN MONITOR EFX-MAIN EFX-MONITOR EFFECTS MODIFY MAIN_EQ MONITOR_EQ F F F F F F SG

MC4741CP SG 10K0 10K0 R65 R64 +15V LD2
GRN

P11

P12

SG

7

10K0 R118

1B

MP-8DX VER# DESCRIPTION OF CHANGE
1.00 1.20 1.30 1.40 . 1.50 V V V V NEW ADD_POT_LIST PC#6337_C70A_330u-25V->330u-16V PC#6309_C76A/G,C26A/G,C28A/G_ 1N5/200V->1N0/50V PC#6383_ADD_R16J,R43J,R56J,R66J N N N N

EFFECT ENCODER
4 3 2 1 5

MODIFY ENCODER
4 3 2 1 5

10K0 R119 ONE PAIR OF BYPASS CAPS ARE LOCATED WITH EACH I.C. SG

P10 50K MON_EFX 1N0 50V C204

PART#
#4566 #4566 #4566 #4568 #4567 #4567 #4566 #4566 #4568 #4568 #4581 #4581 #3999 #3999 N N N N N N

KNOB
#8395 #8393 #8393 #8393 #8394 #8392 #8392 #8394 #8395 #8395 #8397 #8397 K K K K K K

AS_OF
JAN/2000 . . . . . . . . . . . . . D D D D D D C37 100n C64 100n C41 100n

R56J
1/8W

+24V R108 4K7

10R-FP 5 POWER LD5
ORANGE

U7

10K0

1/8W

C38 100n

C63 100n

C42 100n

PHANTOM IG R43J
1/8W

1/4

10R-FP

R73 1K5

7

R63

R66J

10K0 MC4741CP

R66

6

AREF ASIG +15V SG -15V +24V +5V DIGND

MC3 5 MC3 6 MC3 9 MC3 8 MC3 7 MC3 10 MC3 11 MC3 12

ART_OUT ART_GNDO

ART_GNDI

ART_IN

DIGND

DIGND

BIT7 BIT6 BIT5 BIT4

BIT3 BIT2 BIT1 BIT0

10R-FP C93A 100n C98A 100n C96A 100n R16J
1/8W

+16V C26 100n C39 100n C35 35V 22u C34 100n 22u 35V C36 -16V

TO DIGITAL EFFECTS
ALL UNMARKED DIODES ARE IN4148 SG

STYLE "P25"

STYLE "P23"

PT# 3999

DATE: MAY/30/2001 YORKVILLE NAME: M1112.SCH

MODELS: PCB#&VER:

MP-8DX(NEW) . M1112

SHEET 1 OF

2

SCH ISSUE:

1.50

C94A 100n

C97A 100n

C95A 10R-FP 100n IG

TITLE: MIXER/EQ/MASTER

C40 100n

TO M1093 SHEET5

U:\M1112V15.PRN

R84M 620R C46M 68N 56K R58M SG 2 1 3 U8
1/2

R96M 470R C50M 33N 47K R68M SG 2 1 3 U5M
1/4

R89M 390R C49M 10N 180N C61M 56K R67M SG 6 7 5 U5M
1/4

R86M 390R C47M 4N7 C48M 68N 47K R70M SG 9 8 10 U5M
1/4

R94M 620R C19M 1N C18M 22N SG R19M 100R 13 14 12 U5M
1/4

R84 820R C46 100N 82K R58 SG R203 4K7 C101 7 5 U8
1/2

R96 9 8 10 U4
1/4

R89 6 7 5 U5
1/4

R86 9 8 10 U5
1/4

R94 13 14 12 U5
1/4

750R C50 68N 47K R68 SG

620R C49 18N 47K R67 SG

390R C47 4N7 82K C48 R70 47N SG

390R C19 1N R87 C18 10N SG

2 1 3 U5
1/4

TLO72 470N C59M

4741

4741

4741

R87M

1U C62M

4741 56K

4741 680N C59

4741 180N C61

4741

4741

R205 10K0 R20M 8K2 C22M 100p C202 47N

1U C62

4741 100K

R202 10K0 R20 8K2 C102 47N

R19 100R P13 20K 1B P14 20K 1B P15 20K 1B P16 20K 1B P17 20K 1B P18 20K 1B P19 20K 1B P20 20K 1B P21 20K 1B 13

C22 100p 14 12 U4
1/4

P22 20K

1B

P23 20K

1B

P24 20K

1B

P25 20K

1B

P26 20K

1B

6

100N R24 4K7

100Hz

250Hz . MPSA13

800Hz

2KHz

6KHz R206 4K7 R24M 4K7 C203 100N

TLO72

63Hz

125Hz

250Hz SG C60 330N 33N C53 R92 680R

500Hz

1KHz SG R57 56K 10N 12 C44 13 R82 470R LED+15 16V C45 100N

2KHz

4KHz SG R91 33N C52 3N3 C51 R72

8KHz SG

16KHz 4N7 R90

4741

MONITOR EQ 5 BANDS
CLIP
LD1A

MAIN EQ 9 BANDS
1 +15V

R95

56K 4741
1/4

4741
1/4

47K 4741
1/4

100K 4741
1/4

C21 680P C58 R88 390R

CHANNELS 1 TO 6

STYLE "P20" R114A 1K C56A 35V 100u R102A 4K7 R103A 4K7 50V C76A 1N0 IG R271A
L-BDY

STYLE "P23" +24V

CBE LED+15

U6

3 2

14

U6

8

U6

10 9

7

U6

5 6

220R R113A Q3A MPSA13

LED+15

390R LED+15

RED

JB1A 2 MIC 3 INPUT 1

C57 49V 22u D13 IG 1N753A 6V2 4148 D2A 50K MON_CLP

MON_CLP

TIP

C55A 50V 22U

C54A 50V 22U R274A
L-BDY

MAIN_CLIP
RED

R93 +15V 49V 22u IG 1N753A 6V2 LD4 CLIP R78 220R

R269A
L-BDY

R270A
L-BDY

SG MONITOR 20K
CW

33K R104A 4148 D1A 16V R112A

JB5 1/4"VERTICAL MAIN_OUT R111 620R 1/4"VERTICAL MAIN_AMP_IN JB6

LED_COM

33K R110A 18K R120A 18K

D10 R5 470K MAIN_LVL 10K C6 35V 22u MAINBSS4148

249R

562R C28A 50V 1N0 C26A 50V 1N0 R268A

4K99 6
(4=V-,8V+)

33K R79

LD3 CLIP

MON_CLIP
RED

620R R26 10R C68 47P C67 47P

RING

7 5 U15A
1/2

JB2A TIP

4K99 4K99
L-BDY

16V

C70A 330U

R115A 100R

33078

05C P14A 10U C101A 15V R116A

100U C53A

R76 220R

D1

33K

R111A

MAINBSS-

CW

Q1 MPSA13

IG RING

R122 10K0 TLO74 U7 1

R31 620R R30 620R

1/4"VERTICAL JB3 R60 6K98 SG

R274G
L-BDY

R267G
L-BDY

1 U9
1/2

IG

4K99 4K99 CD_INPUT L R

R272G
L-BDY

6K98 R59 20K0 R55

SG

4741 NOTE - REFERENCE DESIGNATORS MOST PARTS IN CHANNEL 1 WITH SUFFIX A WILL EXIST IN CHANNELS 2-8 WITH SUFFIXES B-H. ANY PARTS WHICH ARE SHARED BY ADJACENT CHANNELS WILL HAVE THE SUFFIX BELONGING TO THE LOWER NUMBERED CHANNEL. i.e. IF U12A IS SHARED BY CHANNELS 1 AND 2, THERE WILL NOT BE A U12B.

TLO72 TIP 1B P9 50K TO_POWER_AMP BSIG BREF
MC3 1

JB7 MON_OUT 1/4"VERTICAL

CHANNELS 7 AND 8 RCA INPUTS REPLACE 1/4" VERTICAL

EFX
33K 10K 18K
B

EFX
33K 33K 10K 33K
B

EFX
10K 18K
B

EFX
33K 33K 10K 33K
B

EFX
10K 18K
B

EFX
33K 33K 10K 33K
B

EFX
10K 18K
B

EFX
33K 10K 33K
B 125Hz 250Hz 500Hz 16KHz

470N C61M C59M
250Hz 800Hz 2KHz 6KHz

R67M

R121A R121B 18K 33K

R121C R121D 18K 33K

R121E R121F 18K 33K

R121G R121H 18K 33K

680N C61 180N 18N

68N

33N 10N

18K 18K

18K 18K

18K 18K

18K 18K

R96

100Hz

620R

750R

63Hz

1KHz

2KHz

4KHz

8KHz

180N

R89M 390R

R110A

R120A

R117B R120B

R110B

R110C

R120C

R117D R120D

R110D

R110E

R120E

R117F R120F

R110F

R110G

R120G

R117H R120H

R110H

#4566

20K

20K

20K

20K

20K

20K

20K

20K

20K

R67 R68

20K

20K

20K

20K

R117A

R117C

R117E

U16A TLO72 D2B P11B 10K

U16C TLO72 D2D P11D 10K

U16E TLO72 D2F P11F 10K

R117G

U16G TLO72 D2H P11H 10K

20K

EFX

#4566

#4566

EFX

#4566

#4566

EFX

#4566

#4566

EFX

R89
#4566

47K 47K

R70M

10K

1B

P11A

1B

10K

1B

P11C

1B

10K

1B

P11E

1B

10K

1B

P11G

1B

1B

1B

1B

1B

1B

1B

1B

1B

1B

4741

4148

D2A

4148

4148

D2C

4148

4148

D2E

4148

4148

D2G

4148

U5M 1B 1B 1B 1B 1B 4741

SHEAR

C49M 470R R96M C19M

C49

56K

C50M

TREBLE
#4566 TREBLE

TREBLE
#4566 TREBLE #4566 TREBLE

TREBLE
#4566 TREBLE #4566 TREBLE

TREBLE
#3999 #3999 #3999 #3999 #3999 #3999 #3999 #3999 #3999 #4566 TREBLE #4566 TREBLE

4N7 R87 R94 C47 J61 C22M 100p C202 #3999 J62 47N 100R R19M 4K7

#3999

#3999

#3999

R223A C97A

R223C C97C

R223E C97E

R223G C97G 100n

J64

4M7

4M7

4M7

4M7

R101A 1K2 R123A 1K2 10K P10A
#4566 MID 1B

4M7

100n

100n

100R C62

10K P10B P10C
#4566 MID

1B

10K P10D P10E
#4566 MID

1B

10K P10F P10G
#4566 MID

1B

33N

R107A 470R

R107C 470R

R107E 470R

100n

R123B 1K2 1N5 C71B 1B 10K R223B

R101C 1K2 R123C 1K2

4M7

R123D 1K2 1N5 C71D 1B 10K R223D

R101E 1K2 R123E 1K2

4M7

R123F 1K2 1N5 C71F 1B 10K R223F

R101G 1K2 R123G 1K2 470R

4M7

R107G

R123H 1K2 1N5 C71H 1B 10K R223H

R19

C71A 1N5

C71C 1N5

C71E 1N5

C71G 1N5

TREBLE

82K C48 47N R86
390R

R70

1K2 R101B

1K2 R101D

1K2 R101F

1K2 R101H

C52

47K

#4566

#3999

J1A

J1C

J1E

J1G

U5

4N7

C47M

R20

3N3

100n

47K

82K J58

100n

R88 390R C58 680P R90 100K

100n

33N

8K2 10K C46 100N

C98A 100n

C98C 100n

C98E 100n

C98G 100n

22N C27B

22N C27D

22N C27F

C27A 22N

C27C 22N

C27E 22N

R91

R107B R105B P12B J2A 4K7 R111B

R112A 4K7 J3A

R112C 4K7 J3C

R112E 4K7 J3E

HC30

BASS
#4568 BASS

BASS
J2C 4K7 R111D
#4568 BASS

BASS
J2E 4K7 R111F
#4568 BASS

R112G 4K7 J3G

BASS
J2G 4K7 R111H
#4568 BASS

4741 C7 RED 47p C9 J53 LD3 47p J52 220R R76 10K P7
#4566 MAIN

#4568

#4568

#4568

#4568

100n C63 U4 RED

R106A 18K

R106C 18K

R106E 18K

18K R106B

18K R106D

18K R106F

R106G 18K

18K R106H

100n C64 R5M 470K
4148

R66J 10R 10R R56J

R24M

U5FX

4148

10K R107 R104 10K

50K

1B

1B

50K

1B

R105D P12D

1B

50K

1B

R105F P12F

1B

50K

1B

R105H P12H

1B

100N C203 P11

10K 10K R106 D1FX

R108A

R108C

R108E

R108G

R24 R203 4K7 4K7 470K

470R 82K 50K

R107D

470R 82K 50K

R107F

470R 82K 50K

R107H

470R 82K 50K

C51

82K 470R

82K 470R

82K 470R

C27G 22N

82K 470R

22N C27H

C101 100N

820R

4K7

R105A

R105C

R105E

R105G

4741

TLO72

C62M

MID

MID

MID

MID

R95 56K R92 680R 10N R82 470R R57 56K

470R R108B

#4566

470R R108D

#4566

470R R108F

#4566

470R R108H

#4566

C102

47N

1U

4N7

1N0

C46M 68N

MID

MID

MID

MID

330N

100N

1U

R72 390R

10K 8K2

R205 R20M

R84M 620R R58M 56K J63 C48M 100n

R58

P10H

C60

C45

C21

C18 10N

390R 100K

R86M C18M 390R R94M 620R 22N 1N0 68N
56K

C19

C22 100p

R87M

R5 R202

R84

C53

C44

U6

C41 C42

U8

R206 R105

C37 C38

R79 R78

R81

1B

Q1 R77
33K 33K

10K

1B

R98 10K0 10K0

P12A R111A D1A

BASS

4K7
4148

4K7
4148

R112B D1B
05C

P12C R111C D1C

BASS

4K7
4148

4K7
4148

R112D D1D
05C

P12E R111E D1E

BASS

4K7
4148

4K7
4148

R112F D1F
05C

P12G R111G D1G

LD4 R80
220R 33K 33K
4148

BASS

4K7
4148

4K7
4148

R112H D1H
05C

MPSA13

J60 D11 D12

P8

20K

05C P14A

P14B 20K R116B C53B 16V 100U

20K

05C P14C

P14D 20K R116D C53D 16V 100U

20K

05C P14E

P14F 20K R116F C53F 16V 100U

20K

05C P14G

P14H 20K R116H C53H 16V 100U

R69 R99 U7 J59

82K R116A

82K R116C

82K R116E

82K R116G

Q2

33K R104A

33K R104C

33K R104E

33K R104G

82K

82K

82K

82K

R120

MONITOR

MONITOR

MONITOR

MONITOR

MONITOR

MONITOR

MONITOR

MONITOR

J51

10K0

15V 10U

10U 15V

15V 10U

10U 15V

15V 10U

10U 15V

15V 10U

J50

R31 6K98

R115A 100R

U18A 100R R115B

R115C 100R

U18C 100R R115D

R115E 100R

U18E 100R R115F

R115G 100R

R104B

R104D

R104F

R104H

Q3A

Q3C

Q3E

Q3G

C29B

C29D

C29F

R56 18K

4741

4741

4741

4741

20K

05C

05C

20K

05C

05C

20K

05C

05C

20K

05C

05C

C29H

P13B 20K

P13D 20K

P13F 20K

U18G 100R R115H

MPSA13

MPSA13

MPSA13

MPSA13

GAIN
P13A

GAIN

GAIN
P13C

GAIN

GAIN
P13E

GAIN

GAIN
P13G

P13H 20K

GAIN

R23
J49 J48 J47 J46

6K8

R55

R121

C101A

C101B

C101C

C101D

C101E

C101F

C101G

10U 15V

C101H

D10

49V 22u C40 100n

49V 22u 50K

1U

MONITOR

MONITOR

MONITOR

MONITOR

D1

4148 4148

C6

49V 22u C8

4741 R122 10K0 620R 20K0 R64 C13FX 20K0 R65 15V 10U

C1FX

6K8 C23

R63

MPSA13 C28FX

#4567

16V 100U

#4567

#4567

16V 100U

#4567

#4567

16V 100U

#4567

#4567

16V 100U

#4567

#4566 MONITOR

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

R100 R101 R102 R103

C53A

C53C

C53E

C53G

33K R29

LED1FX 4-BIT_GREY RED EFFECT R10FX 470K 15V 10U Q2FX Q1FX C10FX MPSA13 R15FX 8X330R_RES
1

100N

47p

C24

10K 10K 10K 10K

R71 10K0 10K0

M1112 MP-8DX
VER-5.00

P12 #4581 100N

#4581

C29FX

MPSA13 R22

4-BIT_GRAY 470R R7FX MODIFY 74HC374 J36

P9
50K
1B

10K0 10K0
R97

U4FX R12FX
1K

10N

10N

10N

10N

18K

1B

620R R30

220R R113A

220R R113C

220R R113E

220R R113G

33K

33K

33K

33K

100n

100n

R11FX U3FX

R118

#4567 GAIN

#4567 GAIN

#4567 GAIN

#4567 GAIN

#4567 GAIN

#4567 GAIN

#4567 GAIN

#4567 GAIN

10N C29A

10N C29C

10N C29E

MPSA13

MPSA13

MPSA13

MPSA13

J44

82K

82K

82K

82K

82K

82K

82K

750R R28FX

750R R29FX

J68

RED LD1A

R119 10K0

R270A 4K99 R269A R273A R224A R268A 4K99

R270C 4K99 R269C R273C R224C R268C 4K99

R270E 4K99 R269E R273E R224E R268E 4K99

R270G 4K99 R269G R273G R224G R268G 4K99

J4A J5A

J4C J5C

J4E J5E

J4G J5G

C96A R273B 4K99 100n C95A

C96C R273D 4K99 100n C95C

C96E R273F 4K99 100n C95E

C96G R273H 4K99 100n C95G

R268B R269B 4K99 R270B

R270D

J6C

R268F R269F 4K99 R270F

C70B C70C 16V 330u 16V 330u

J6A

J6E

J6G

16V 330u

16V 330u

4K99 R270H D13

28 26 24 22 20 18

R268D 562R 562R 4K99 R269D

C15FX

27 25 23 21 32 16

2N2

6V2

JB1A

JB1E

14

12

10 5

6

R61

#6994_IN_#3550
3

19

100n 33078

8

JB1B

100n 33078

JB1D

100n 33078

100n 33078

JB1H

15V 10U 22N 22U 49V C6FX

2N2

16V 330u

17

15

13

45K3 MON_OUT R112 PART# R85
620R 620R

11

9

7

JB1G

562R R268H 562R R269H 16V 330u

16V 330u

16V 330u

R62

54

C8FX

C9FX

56 58 60 62 64 66 68 70 72 74

52 50 48 46 44 42 40 38 36 57 31 59 61 63 65 67 69 71 73 78 80 82 84 2 4 3 6 5 29 27 25 23 21 19 17 15 8 10 13 7 9 11

32 30 28 26 24 20 18 16 14 12 22

470R

C70A

C70D

C70F

R60

U9

6K98 6K98 J14 J13 JB9
RED WHT

C12FX

55

#6992_IN_#3557

34

1N0 C76AR102C C54C JB1C 4K7 C55C 4K7 49V 22U R103C R274C 6 5 4K99 JB 2C 4K99

2N2

SHEAR

33 34 EFX_SEND C16FX 35 36 4148 10N D2FX 37 38 43 1 J166 39 10K R6FX 41 40 42 44 J25 R295FX C2FX J34 #3818 J33 49V C54 2N2 22U #3818 J32 R294FX J26 C26FX 100N

C55A

1N0 C76CR102E C54E 4K7 C55E 4K7 49V 22U R103E 6 5 R274E 4K99 JB 2E 4K99

JB1F C28F C54G C55G 49V 22U 4K99

6 5 JB5

562R 562R

562R 562R

562R 562R

562R 562R

LO-Z_IN
2 3 1

LO-Z_IN
2 1 3

LO-Z_IN
2 3 1

LO-Z_IN
2 1 3

LO-Z_IN
2 3 1

LO-Z_IN
2 1 3

LO-Z_IN
2 3 1

LO-Z_IN
2 1 3

#3466 10R

C54A

R26 10R J22

R267A 4K99 249R 249R

R267B 4K99 4K99 249R 249R

R267C 249R 249R

R267D 4K99 4K99 249R 249R

R267E 249R 249R

R267F 4K99 4K99

C28G 1N0 C26G

6 5 R274A 4K99

PART#

4K99

4K99

3

PART#

PART#

PART#

PART#

PART#

R274G
RED

R274H

R267H

C28H 1N0 1N0

4K7 R108

22u 49V

22U 49V

R272A C54B 22U R271A 49V C26A R274B 1N0 1N0 C28A R102B 63V 100U

1N0

R271B

R272B C28B 1N0

22U 49V

R272C C54D 22U R271C 49V C26C R274D 1N0 1N0 C28C R102D 63V 100U

R271D

R272D C28D 1N0

22U 49V

R272E C54F 22U R271E 49V C26E R274F 1N0 1N0 C28E R102F 63V 100U

5 6

4

4

C76E 1N0 R102G 4K7 4K7

3

3

3

3

3

3

R102H 4K7 4K7

WHT

RED

WHT

5 6

6 5

6 5

6 5

1N0 C26H C76G

1N0 C26B
2B

1N0 C26D
2D

+24VPS +5V

47P

47P

#3740
MH3

4

R271F 249R 249R R272F 1N0 PART# C26F

4K99

22U 49V

249R 249R R271G 1N0 R267G

249R 249R R272H

WC1

4K7 4K7 R103A

+16V SG

JB

R114A R103B

R114C R103D

R114E R103F

2A

R102A

C56A LINE_IN

1K LINE_IN

C56C LINE_IN

1K LINE_IN

C56E LINE_IN

1K LINE_IN

C56G R103G

JB

JB

1K R103H

6

35V 100U

#3466 JB2G

R114G

PART# AMP_A_IN

2F

MC3

1

1

1

1

1

1

1K 1K

JB

8

TO_AMPS

JB

JB

1N0

6

1

JB2H #3466

R75 1K 1K

4K7 4K7

4K7 4K7

4K7 4K7

R109 PART# R110 R27 AMP_B_IN

C204

R395

#3818

JB3

100U C14FX 16V

U1FX

VCD
M1112.PCB_DATABASE_HISTORY
MODEL(S):- MP-8DX # DATE VER# DESCRIPTION OF CHANGE
1 2 3 4 5 6 7 8 9 10 11 97/01/21 97/01/24 MAR/04/97 MAR/18/97 . APR/22/97 . JUN/05/97 AUG/26/99 OCT/16/00 OCT/31/00 1.0P0 1.0P1 1.00 1.10 . 2.00 . 3.10 3.20 3.30 4.00 FIRST_PROTOTYPE CHG_R120,117,A-H-R55,R56->18K PC#5310_C1FX_680N->1u SHORT_AT_C9FX_REPAIRED_R7FX_MOVED AWAY_FROM_POT_SUPPORT PC#5366_ADD_BYPASS_CAPS_AT_U1FX U3FX,U4FX,U5FX CHG_ALL_POT_LEG_MASKING_TO_ADD_EDGE PC#5988_XLR_#3454->#3925 PC#6292_R16FX_680R->470R_DEL_C5FX PC#6337_C70A-H_330u-25V->330u-16V

ASSEMBLY PCB MECH
1 FEB/15/01 2 . 3 MAR/26/01 4 MAY/30/01 5 . 6 JUL/16/01 7 JUL/15/02 8 . 9 D 10 D 11 D 12 D 13 D 14 D 15 D 16 D

M1112-5.00 M1112-5.00
4.10 . . 4.20 . . 5.00 . V V V V V V V V

SHEAR
MODEL(S):- MP8DX
REF
P15A-H P11A-H P10A-H P12A-H P14A-H P13A-H P7 P8 P9 P10 P11/P12 P13-P26

00.5-2111M LTED LLIRD 00.5-2111M EDISREDLOS

PRODUCTION NOTES

SHEAR

"052.9X"573.81=EZIS KNALB

ROTARY_ENCODERS BLANK SIZE=18.375"X9.250"

PC#6309_C26A/H,C28A/H,C76A/G,C204 1N5/200V->1N0/50V_PT#5603 PC#_6370_C19,C19M_1N->1N0 PC#6383_REPLACE_J43,J16,J66,J56_WITH 10R_1/8WFP_R43J.R16J,R66J,R56J SLIDE_POT_HOLE_.042->.047 PC#6446_ROTATE_CFX14_MOVE_C54_ R295FC-R294FX N N N N N N N N

M1112.PCB_POT_LIST
FUNCTION PART# KNOB
EFX TREBLE MID BASS MONITOR GAIN MAIN MONITOR EFX-MAIN EFX-MONITOR EFX/MODIFY EQ #4566 #4566 #4566 #4568 #4567 #4567 #4566 #4566 #4568 #4568 #4581 #3999 #8395 #8393 #8393 #8393 #8394 #8392 #8392 #8394 #8395 #8395 #8397 -

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

BOARD-ASSEMBLY 2.INSTALL U1FX,U2FX,U4FX,U6FX IN SOCKETS AFTER PT#3740 WAVE SOLDERING. USE A GROUND STRAP!!! 3.IF THE 'X1FX' CRYSTAL IS THE TALL (1/2") PACKAGE LEAN IT OVER TOWARD THE ART CHIP. 4.BEND THE LEADS OF THE XLR JACKS (AND ONE 1/4"-SEE #6). 5.BEND THE LEADS OF 1/4" JACK JB2F ONLY. 6.SOLDER WITH THE JIG FOR 9MM POTS AND THE JACKS. 7.PUT A NUT ON JB2F TO HOLD THE JIG DOWN FOR SOLDERING 8.SHEAR LEFT AND RIGHT SIDES BEFORE THE TOP AND BOTTOM SO THE BOARD WILL FIT INTO THE SHEAR.

STYLE "P23" PART#3999 STYLE STYLE "P25"

J28

5

J12 22u R74 C35 49V C65 C68 47P C34 47P 100n C66 #3638 C67

J21

1

1

R272G

C54H 22U 49V

R271H

J27 J15 C36

R17FX R204
620R

U6FX 10R 100N C20FX

76 75 77 79 81 83 1

1

1

JB

GND

U2FX R5FX 1K

7

XFV5+

4

4

4

4

4

4

#6993_IN_#3571 32KX8_SRAM 28-PIN_SOCKET

3

3

C25FX

49V 22U

49V 22U

49V 22U

49V 22U

49V 22U

6 5

29

31

4

4

C3FX

U15A C55B

U15C C55D

U15E C55F

U15G C55H

3

3

R111

C7FX

620R

CS4218

ART-1365

SHEAR

PART#3925

PART#3925

PART#3925

PART#3925

PART#3925

PART#3925

PART#3925

PART#3925

27P C4FX 27P 100K R8FX

562R 562R

562R 562R

620R

30

2N2

MAIN_OUT R93 620R PART#

2

R83

RT V

4

22U 49V

#6940

R16FX

C70G

C70H

C11FX

R9FX 1K

53 51 49 47 45 43 41 39 37 35 33

J29

R113B

R113D

R113F

R113H

C57 16V 100u

1K R13FX

C52A R118A

220R

Q3B

C52C R118C

220R

Q3D

C52E R118E C70E

220R

Q3F

C52G R118G

220R

Q3H

1K5 R43J 10R 10R R16J

R59

LD1C

LD1E

LD1G

GRN

45K3

CLIP

R224B

CLIP

R224D

CLIP

R224F

CLIP

R224H

TLO72

22U 49V

C17FX 10N

10K

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

47R

RED

16V 100U

82K

R222B

R222D

R222F

R222H
47R

R27FX 220R 6K98 R66

CLIP

R222A

CLIP

R222C

CLIP

R222E

CLIP

10N C29G

47R

47R

47R

47R

47R

47R

47R

47R

LD5

C39
LD2 #6402

J67

LD1B C52B R118B

LD1D C52D R118D

LD1F C52F R118F

LD1H C52H R118H

#4568 EFX->MAIN

#4568 EFX->MON

C26 J65

R222G

10K0

P10

RED
#5609 R73

C19FX

J31

J30

2N2 C24FX

#6981_IN_#3507 YS_EPROM_27C512 28-PIN_SOCKET

J35

100N C27FX

X1FX

SHEAR

P:\1112CMP.PRN

P15A

P15B

P15C

P15D

P15E

P15F

P15G

P15H

P13

P14

P15

P16

P17

P18

P19

P20

P21

C59

C50

P23 P22

P24

P25

P26

R68M

47K

2111M 00.5

MP-8DXC E AC WIR ING FEB. 12, 1999

BLACK 12" WH IT E 5" BLAC K 5"

L

N

DUMMY WC1 7

GRN/YELL 5"
BLAC K 4"

WC 5

WC 8

1250E

SH OWN WIRE D F OR 23 0V AC

WC10

WC 6

WC19

WHITE 6 1/2"

WC 7

BLAC K 7"
WC 9
WC 1 WC 11 WC 12

WC 3

MP-8DXC E AC WIR ING FEB. 12, 1999

BLACK 12" WH IT E 5" BLAC K 5"

L

N

DUMMY WC1 7

GRN/YELL 5"
BLAC K 4"

WC 5

WC 8

1250E

SH OWN WIRE D F OR 24 5V AC

WC10

WC 6

WC19

WHITE 6 1/2"

WC 7

BLAC K 7"
WC 9
WC 1 WC 11 WC 12

WC 3

DATE: OCT/16/00 YORKVILLE NAME: M1112-FX

MODELS: PCB#&VER:

MP-8DX M1112-1.00

FX
220
1 R27FX 2 2 C15FX

SCH ISSUE:

1.20

VA
2

OCT/16/00 V1.20 PC#6292 R16FX 680R->470R C5FX DELETED
C12FX

TITLE: DIGITAL_EFFECTS

C11FX
22N
1

10u 16V
750
2 C17FX 1 R28FX 2

ART_IN ART_GNDI

16V

C13FX 10u

22U 49V

28 27 26 25 24 23 22 21 20 19 18

.022uF
LIN2 LIN1 RIN2 RIN1 VA AGND REFGND REFBYP REFBUF NC NC 1 29 30 31 32 33 34 35 36 37 38 39 17 16 15 14 13 12 11 10 9 8 7

C19FX

ART_OUTL

10 2 +5VFX

R17FX 1 2 C7FX
2

VA

1

22uF 25V

22N

SMODE1 SFS2 SFS1 SMODE2 DI1 DI2 DI3/F3 D14/MA DO1 DO2 DO3/F2

U6FX CS4218 CRYSTAL ADC/DAC

NC LOUT ROUT NC PDN NC NC NC NC NC NC

1 R29FX

2

+5VFX

C6FX 1

DO4/F1 GND SDIN SDOUT SCLK SSYNC RESET CLKIN VD DGND NC

1

750

10N

ART_GNDO

+5V C22FX
2

#3818 R295FX

+5VFX C24FX C20FX C25FX D2FX
2 1 2 2

+5VFX 2 C8FX
2

40 41 42 43 44 1 2 3 4 5 6

+5VFX R10FX 1 MCLK 470K 2 MPSA13

+5V

1 2 2 2

Q2FX
2 C1FX 1

3

C129FX

#3818 R294FX P

DIGND

DGND

C9FX

+

R9FX 1

1K2

3

MPSA13

Q1FX
680N
2

74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54

U2FX
53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

R11FX

10u
+ 10K
1

1

1 R6FX

10K
2

PINOUT FOR 32K X 8 RESET
10 9 8 7 6 5 4 3 25 24 21 23 2 26 1 U1FX 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16

22U

49V

32 28 VDD 1 NC

+5V NC

75 76 77 78 79 80 81 82 83 84 1 2 3 4 5 6 7 8 9 10 11

LM311 Q_REQ FSYNCA TEST FSYNCO SDOUT SDIN SCLKO FSYNCI VDD GND CLRBR SAPSO HSTA8 IRA8 HSTOE HSTREQ HSTACK MUTO MUTEAD HSTWE

+5V

16V C10FX

AA16 AA15 AA14 AWRE AA12 AA13 AAO7 AA08 AA06 AA09 VDD GND AA05 AA11 AA04 AROE AA03 AA10 AA02 AD7 AA01

ART FX DSP2
100-1355-101

ASIC 2

MUTE EA6 EA7 EA4 EA5 EA2 EA3 EA1 ED7 GND VDD ED6 EA0 ED5 ED0 ED4 ED1 ED3 ED2 MCEQ0 PPSEL

R13FX 1
10 9 8 7 6 5 4 3 25 24 21 23 2

2

1

1

1

1

1

100U 10N 25V

100N

1N4148

2N2

2N2

22uF 25V

2N2

RESET

1

1K

U3FX
EPROM 8192x8 0 A0 A1 A2 AO0 A3 AO1 A4 AO2 A5 0 AO3 A6 A 8191 AO4 A7 AO5 A8 AO6 A9 AO7 A10 A11 A13 12 A12 PGM/A14 VPP/A15 [PGM] 20 [PWR CS DWN] & EN 22 OE 2 27C512 11 12 13 15 16 17 18 19 26 27 1

1

C2FX

2

R5FX 1

1K2 +

22 20 27

2

+5VFX

R100FX R100FX MW1FX R100FX R100FX R100FX R100FX R100FX

R7FX 1

I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 128K x 8

13 14 15 17 18 19 20 21

11 12 13 15 16 17 18 19

X1FX
1 2

+5V 470R

R8FX 1 C3FX
2

16MHz 100K 2 C4FX
2

R16FX 1

470R

2

R12FX 1

24 22 OE 30 CS1 29 CS2 R/W

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

AA00 AD6 AD0 AD5 AD1 AD4 AD2 AD3 RESET BBROWN GND VDD XTALO XTALI OVFL ENC1A ENC1B ENC2A ENC2B EDCLK MCLK

MCLK 1K

+5VFX +5V
2 1 11 3 4 7 8 13 14 17 18 EN OC CP C1 1D 2D 3D 4D 5D 6D 7D 8D HC374
APPROVALS DATE

MW1FX
1 1

BIT0

1

1

1

1

1

1

1

1

LD8FX
27pF
1

1

1

1

1

1

1

R15FX
330

SELECT EFFECT MODIFY EFFECT

BIT1 BIT2 BIT3 7 6 3 9 8 5 4 3 2

10K

RESET
1

27pF
1

U4FX
6 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 2 5 6 9 12 15 16 19 EA8 EA9 EA10 EA11 EA12 EA13 EA14 EA15 7 2 9 8 4 5 3 2

CLIP/OVERFLOW

BIT4 BIT5 BIT6 BIT7 2 12 12 11 5 66 5 11 44 33 21 1 HC30

U5FX
&

8 8

1

CR1FX 1N4148 2

DRAWN

R.NEATROUR
ENGINEERING REVISED

2-16-94

APPLIED RESEARCH & TECHNOLOGY 215 TREMONT STREET ROCHESTER, NY 14608

A. CHILCO
CHECKED ISSUED

1995/06/05

ART OEM REVERB BOARD
SIZE DWG NO. REV

+5V

A
PLOT DATE

400-4001-100
FILENAME

12-1-94

M1092-FX

SHEET

4 OF 4