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Yorkville SERVICE MANUAL 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 EP378 PROFESSIONAL BALANCED SOUND PROCESSING SYSTEM Quality and Innovation Since 1963 Printed in Canada Manual-Service-ep378 Oct20/2000 IMPORTANT SAFETY INSTRUCTIONS YS No. 5990 5991 6438 6825 6822 5106 6774 6926 6840 6882 6889 5417 5413 5425 5205 5226 5228 5229 5231 5233 5234 5267 5630 4518 3489 3602 3682 3498 3414 2435 3827 8661 8706 3461 3826 5989 8800 4599 5299 4973 4896 4637 4811 4852 4855 4873 4823 4802 4808 4847 6124 4774 4639 6128 4870 4801 4810 4762 6116 4856 4901 4830 4784 4885 4832 4902 4890 4941 4840 4895 4835 4760 4838 6120 4844 3616 9005 9020 9640 8801 EP378 Parts List 9/30/98 Description GREEN 3MM LED 1V7 20MA RAD W/STOPER RED 3MM LED 1V9 20MA RAD W/STOPER 1N4004 400V 1A0 DIODE T&R 1N4148 75V 0A45 DIODE T&R 1N4745A 16V0 1W0 ZENER 5% T&R MPSA63 TO92 PNP DARLINGTONT&R BD139 TO126 NPN TRANS BD140 TO126 PNP TRANS. MC33078P IC DUAL OP AMP TL072CP IC FET DUAL OP AMP TLO74CN IC QUAD O/A TEXASI ONLY 330P 50V 10%CAP T&R BEAD NPO 390P 50V 10%CAP T&R BEAD NPO __1N8 50V 10%CAP T&R BEAD X7R _15N 100V 10%CAP T&R RADIAL.2"FILM _68N 100V 5%CAP T&R RADIAL.2"FILM 100N 100V 5%CAP T&R RADIAL.2"FILM 150N 63V 10%CAP T&R RADIAL.2"FILM 220N 63V 10%CAP T&R RADIAL.2"FILM 330N 63V 5%CAP T&R RADIAL.2"FILM 470N 63V 10%CAP T&R RADIAL.2"FILM 100U 25V 20%CAP T&R RADIAL ELE.2" 330U 25V 20%CAP RADIAL ELECT BULK _10K STEREO/LINEAR HORIZ 12MM CLIP 250X032 18-22AWG DISCO/INSL RING TERMINAL 18AWG WIRE & #8 SCREW 250 MALE PCB TAB BULK ON CATRIGE M203-02 PLAIN PC MNT JK SKT INTERNATIONAL PC MOUNT FUSEHOLDER 0.100 AMP SLO-BLO .25X1.25 FUSE SQUARE BUMPER BUTTON BLACK BUTTON KNOB FLAT GREY ROTARY KNOB BLACK W/BLUE POINTER 8? 3/18 SVT AC LINE CORD HEYCO #1150 STRAIN RELIEF 4 CIR CABLE HOLDER .098 6-32 KEPS NUT ZINC 22AWG SOLID SC WIR T&R 24AWG SOLID SC WIR RAD 1.0W 1R 5%FLAME PROOF T&R RES 1/4W 15R 5% T&R RES 1/8W 68R 5% T&R RES 1/4W 68R 5% T&R RES 1/4W 100R 5% T&R RES 1/4W 330R 5% T&R RES 1/4W 680R 5% T&R RES 1/4W 1K 5% T&R RES 1/4W 1K21 1% T&R RES 1/4W 2K 5% T&R RES 1/4W 2K2 5% T&R RES 1/4W 3K 5%MINI T&R RES 1/4W 4K12 1% T&R RES 1/4W 4K99 1% T&R RES 1/4W 4K99 1%MINI MF T&R RES 1/4W 6K2 5% T&R RES 1/4W 6K98 1% T&R RES 1/4W 9K1 5% T&R RES 1/4W 9K760 0.1% *** T&R RES 1/4W 10K0 1%MINI MF T&R RES 1/4W 12K 5% T&R RES 1/4W 13K 5% T&R RES 1/4W 15K 5% T&R RES 1/4W 17K40 0.1% *** T&R RES 1/4W 20K 5% T&R RES 1/4W 22K 5% T&R RES 1/4W 24K 5% T&R RES 1/4W 30K 5% T&R RES 1/4W 30K 5% .2"U T&R RES 1/4W 33K 5% T&R RES 1/4W 51K 5% T&R RES 1/4W 56K 5% T&R RES 1/4W 75K 5% T&R RES 1/4W 100K 5% T&R RES 1/4W 100K 5%MINI T&R RES 1/4W 1M 5% T&R RES 13" 8C-26AWG RIBBON CABLE 2.5MM 20GA COLD ROLLED STEEL 4X8? SHEET 18GA COLD ROLLED STEEL 4X8 SHEET .025" FISHPAPER ( FLAT 48" SHEETS ) 6-32 X 3/8 PAN PH TA