INSTRUCTIONS PERTAINING TO A

RISK OF FIRE, ELECTRIC SHOCK, OR

INJURY TO PERSONS.

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

REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.

Read Instructions:

The Owner's Manual should be read and understoodbefore operation of your unit. Please, save these
instructions for future reference.

Packaging:

Keep the box and packaging materials, in case the unitneeds to be returned for service.

Warning:

When using electric products, basic precautions shouldalways be followed, including the following:
Power Sources:
Your unit should be connected to a power source only of thevoltage specified in the owners manual or as marked on the unit.This unit has a polarized plug. Do not use with an extension cord orreceptacle unless all three blades can be fully inserted to preventblade exposure. Precautions should be taken so that the groundingscheme on the unit is not defeated.
Power Cord:
The AC supply cord should be routed so that it is unlikely that it willbe damaged. If the AC supply cord is damaged DO NOTOPERATE THE UNIT.
Service:
The unit should be serviced only by qualified service personnel.

INSTRUCTIONS RELATIVES AU

RISQUE DE FEU, CHOC ÉLECTRIQUE,

OU BLESSURES AUX PERSONNES.

AVIS:
AFIN DE RÉDUIRE LES RISQUE DE CHOC
ÉLECTRIQUE, N'ENLEVEZ PAS LE COUVERT (OU
LE PANNEAU ARRIÈRE). NE CONTIENT AUCUNE
PIÈCE RÉPARABLE PAR L'UTILISATEUR.

CONSULTEZ UN TECHNICIEN

QUALIFIÉ POUR L'ENTRETIENT.

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

Emballage:

Conservez la boite au cas ou l'appareil devait êtreretourner pour réparation.

Warning:

Attention: Lors de l'utilisation de produits électrique,
assurez-vous d'adhérer à des précautions de bases
incluant celle qui suivent:
Alimentation:
L'appareil ne doit être branché qu'à une source d'alimentationcorrespondant au voltage spécifié dans le manuel ou tel qu'indiquésur l'appareil. Cet appareil est équipé d'une prise d'alimentationpolarisée. Ne pas utiliser cet appareil avec un cordon deraccordement à moins qu'il soit possible d'insérer complètementles trois lames. Des précautions doivent êtres prises afin d'eviterque le système de mise à la terre de l'appareil ne soit désengagé.
Cordon d'alimentation:
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PASL'APPAREIL si le cordon d'alimentation est endommagé.
Service:
Consultez un technicien qualifié pour l'entretien de votre appareil.

IMPORTANT SAFETY INSTRUCTIONS

safe_v3.doc Version 3.5 Mar 98
BM400 Parts List 9/28/98
YS # Description Qty. YS # Description Qty. YS # Description Qty.
6405 RED 3MM LED 1V7 5MA BRIGHT PACE 1 38195UH COIL 18AWG R000 AIR CORE 1 48271/4W 4K7 5% T&R RES 6
6407 YELLOW3MM LED 1V8 5MA EVRLITE204YD 1 8547PLASTIC FOOT BLACK 4 46281/2W 6K8 5% T&R RES 2
6408 GREEN 3MM LED 1V9 5MA FROSTED 1 3463CLIP 110X020 18-22AWG DISCO/INSL 4 4828 1/4W 6K8 5% T&R RES 11
6421 MR752 200V 6A0 DIODE 8 3489 CLIP 250X032 18-22AWG DISCO/INSL 5 4800 1/4W 10K0 1% T&R RES 4
6425 BAV21 200V 0A25 DIODE T&R 6 3491CLIP 205/187X020 18-22AWG DISCO/INS 2 4829 1/4W 10K 5% T&R RES 3
6438 1N4004 400V 1A0 DIODE T&R 6 3494 CLIP 205/187X020 14-16AWG DISCO/INS 1 4856 1/4W 12K 5% T&R RES 1
6825 1N4148 75V 0A45 DIODE T&R 18 3682 250 MALE PCB TAB BULK ON CATRIGE 10 4901 1/4W 13K 5% T&R RES 1
6934 MR854 400V 3A0 DIODE FAST RECOV 4 3498 M203-02 PLAIN PC MNT JK SKT 5 4876 1/4W 16K 5% T&R RES 3
6471 MBR160 60V 1A0 DIODE SCHTKY 2 3523 M203-02A GOLD TIP PC MNT JK SKT 3 4771 1/4W 17K8 1% T&R RES 2
6733 BAT85/11330V 0A2 DIODE SCHTKY T&R 6 3528 M203-02C GOLD TIP/RING PC MNT JK 2 4885 1/4W 20K 5% T&R RES 2
6439 1N5225B 3V0 0W5 ZENER 5% T&R 2 3912 1/4" RIGHT ANGLE PHONEPLUG 228 1 6123 1/4W 20K0 1%MINI MF T&R RES 2
6822 1N4745A 16V0 1W0 ZENER 5% T&R 6 3451 0.089 OD SMALL EYELET ELECTROPLATED 51 4902 1/4W 24K 5% T&R RES 4
6463 1N5251BRL 22V0 0W5 ZENER 5% T&R 2 3414 INTERNATIONAL PC MOUNT FUSEHOLDER 2 4633 1/2W 27K 5% T&R RES 4
6871 MC7915CT TO220 NEG 15V0 REG 1 2427 5.0 AMP SLO-BLO .25X1.25 FUSE 1 48401/4W 33K 5% T&R RES 2
6872 MC7815CT TO220 POS 15V0 REG 1 8434 AP SERIES PLASTIC HANDLE PAIR 2 4853 1/4W 39K 5% T&R RES 1
5101 BC550C TO92 NPN TRANS. T&R 4 8542 HANDLE,RECESSED,PULL,BLACK PLASTIC 2 4834 1/4W 47K 5% T&R RES 13
5102 BC560C TO92 PNP TRANS. T&R 16 8604 10-32 T NUT 4 4835 1/4W 56K 5% T&R RES 2
5103 MPSA06 TO92 NPN TRANS. T&R 2 7417 8R 30W TWEETER PIEZO TLC 1 1 4838 1/4W 100K 5% T&R RES 4
5119 2N5638 TO92 N CHAN J FETT&R 1 3692 HEATSINK THERMALOY 6079-PB 1 4849 1/4W 180K 5% T&R RES 2
5122 J102-J109 TO92 N CHAN J FETT&R 1 3894 AAVID 5972-B H/S W/TAB B.O. 2 4874 1/4W 560K 5% T&R RES 2
6810 MJF15030 221D NPN TRANS 1 3501 B52200F006 COMP WASH #4 SMALL 4 4844 1/4W 1M 5% T&R RES 5
6811 MJF15031 221D- PNP TRANS 1 8609 VINYL CAP 0.025" X 1/2" BLK. 2 4888 1/4W 4M7 5% T&R RES 2
6777 MTA2955 TO220 P CHAN MOSFET 1 8682 #4 TEFLON WASHER .125ID .281OD .031 4 3681 13" 8C-28AWG RIBBON CABLE .100" 1
6778 MTA3055E TO220 N CHAN MOSFET 1 8493 6-32 X 1 1/4 PEM STUD 1 9896 CABINET COVER, MIDNIGHT BLUE, 54" W 18.017
6900 YS6900 (22) TO3 NPN TRANS. 2 3449 REAN JACK NUT RED 2 9005 20GA COLD ROLLED STEEL 4X8? SHEET 2.26
6927 YS6927 (23) TO3 PNP TRANS. 2 3795 #8 GROUND LUG ZIERICK 505-169 1 9012 12GA COLD ROLLED STEEL 4? X 8? 1.28
6878 TL071CP IC FET OP AMP 2 3803 NYLON SECUR-A-TACH MINI PLASTIC TIE 1 9020 18GA COLD ROLLED STEEL 4X8 SHEET 5.37
6882 TL072CP IC FET DUAL OP AMP 3 3810 4" NYLON CABLE TIE 11 9048 .187 HOLE @ .250 STAG 18GA PYRAMID 2.532
TL072CP IC DUAL O/A TEXASI ONLY 1 3827 SQUARE BUMPER BUTTON BLACK 5 9060 14GA COLD ROLLED STEEL 4X8 SHEET 1.5
6936 4007 IC COMPLIMENTARY PAIRS 1 8433 AP SERIES PLASTIC KNOB 2 9065 14GA SATINCOAT STEEL 4X8 SHEET 0.08
5190 MBS4992 TO92 8V5 DIAC T&R 1 8655 BUTTON KNOB BLACK REAN P120-05 3 9548 .187" 48X96 UTILITY ALUM W/PLASTIC 0.384
6444 MAC224-4 TO220 40A TRIAC 200V 1 3481 8? 3/18 SJT AC LINE CORD 250 CLIPS 1 9561 SP8/BETA150/BLOC250 HEATSINK 1.08
6860 VTL5C8 OPTO-COUPLER 1 3834 HEYCO #1214 STRAIN RELIEF 1 9811 3/4"X4?X8? SPRUCE STAN. SHEATING 15.89
5410 100P 100V 10%CAP T&R BEAD NPO 5 8261 GE VELVET LEXAN .007" X 12" X 24" 0.272 98151/2" POPLAR SELECT 1 4X4 ONLY 0.5
5412 220P 100V 10%CAP T&R BEAD NPO 1 "Y" LOGO PULSE SERIES LARGE DOMED 1 8741 4-40 X 1/2 PAN PH MS JS500 6
5417 330P 50V 10%CAP T&R BEAD NPO 1 8910 YORKVILLE PRODUCT MANUAL 1 88084-40 X 3/4 FL AT PH MS SJ500 1
5420 680P 50V 10%CAP T&R BEAD NPO 2 8900 YORKVILLE WARRANTY CARD 2-YR UNLTD. 1 8832 6-32 X 1/4 PAN PH TAPTITE SJ500 6
5274 __2N2 200V 5%CAP T&R RAD CER.2"NPO 1 3600 8 CIR RIGHT ANGLE SQUARE PIN HEADER 1 8801 6-32 X 3/8 PAN PH TAPTITE SJ500 3
5426 __2N2 50V 10%CAP T&R TUBULAR Y5R 2 3676 8 CIR CABLE HOLDER .098 1 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 28
5275 __3N3 100V 5%CAP T&R RADIAL.2"FILM 2 8701 4-40 KEPS NUT ZINC 7 8747 6-32 X 1/2 HEX ND MS ZINC 9
5428 __3N3 50V 10%CAP T&R TUBULAR Y5R 3 8800 6-32 KEPS NUT ZINC 23 8835 6-32 X 1/2 PAN QUAD MS TIN PLATED 8
5432 __4N7 50V 10%CAP T&R TUBULAR Y5R 4 8845 10-32 PEMNUT SS-032-2-Z1 16 8823 6-32 X 1 PAN PH TAPTITE SJ500 3
6451 __4N7 250V 20%CAP AC Y ONLY RAD10MM 1 8797 5/16-18 KEPS NUT SJ500 1 8878 #6 X 2" PAN PHIL TYPE A JS500 BLACK 4
5204 _10N 100V 10%CAP T&R RADIAL.2"FILM 1 3815 TO3 PREGREASED MICA 56-03-2AP 4 8869 8-18 X 1/2 THRD CUTTING FOR PLASTIC 4
5301 _12N 50V 10%CAP T&R BEAD X7R 3 4597 22AWG STRAN TC WIR 23 8767 #8 X 3/4 PAN PHIL TYPE A JS500 BLK 6
5205 _15N 100V 10%CAP T&R RADIAL.2"FILM 1 4599 22AWG SOLID SC WIR T&R 84 8809 10-32 X 1/4 PAN PH TAPTITE SJ500 2
5302 _15N 50V 10%CAP T&R BEAD X7R 2 4719 5.0W 0R18 5% BLK RES 4 8756 #10 X 3/4 PAN PH TYPE A JS500 BLACK 8
5210 _22N 100V 10%CAP T&R RADIAL.2"FILM 2 4677 1/2W 1R 5% T&R RES 2 8727#10 X 1" PAN PH MS TYPE AB JS500 4
5304 _22N 50V 10%CAP T&R BEAD X7R 1 4748 2.0W 3R9 5% BLK RES 1 8843 10-32 X 1 1/8 FLAT PH MS SJ500 4
5306 _33N 50V 10%CAP T&R BEAD X7R 2 4750 5.0W 10R 5% BLK RES 1 8786 10-32 X 1 1/4 PAN QD MS JS500 BLACK 8
5223 _39N 100V 10%CAP T&R RADIAL.2"FILM 1 4875 1/4W 10R 5% T&R RES 4 8736 5/16-18X2-3/4 GRD 5 HEX BOLT JS500 1
5224 _47N 100V 10%CAP T&R RADIAL.2"FILM 2 4612 1/2W 18R 5% T&R RES 2 8905 YORKVILLE PRODUCT SCHEMATIC 1
5312 _82N 50V 10%CAP T&R BEAD X7R 1 4618 1/2W 22R 5% T&R RES 2 8663 11/64 NYLON SPACER (MICRO PLASTIC) 8
5228 100N 100V 5%CAP T&R RADIAL.2"FILM 9 4818 1/4W 22R 5% T&R RES 1 3739CUSTOM .4 LED SPACER 3
5242 100N 250V 20%CAP AC X2 SEMKO 15MM 1 4882 1/4W 27R 5% T&R RES 1 3865 1/2 PLASTIC HEX SPACER #6 4
5314 100N 50V 10%CAP T&R BEAD X7R 10 4995 1/4W 33R2 1%FLAME PROOF T&R RES 2 8665 6X1/2 METAL SPACER FOR GUITABEC PLT 1
5229 150N 63V 10%CAP T&R RADIAL.2"FILM 1 4817 1/4W 47R 5% T&R RES 1 8668#6 X 5/8 PLASTIC SPACER #SP65 3
5317 180N 50V 10%CAP T&R BEAD X7R 1 4811 1/4W 68R 5% T&R RES 1 7333 15" 8R 200W SPEAKER BASS 1
5318 220N 50V 10%CAP T&R BEAD X7R 3 4852 1/4W 100R 5% T&R RES 12 8818 3/4 OD X 5/16 ID X .08 THICK WASHER 2
5600 220N 100V 10%CAP RAD POLYFILM BULK 2 4819 1/4W 180R 5% T&R RES 2 8473 #10 BLACK CUPWASHER SWF-10BK 4
5233 330N 63V 5%CAP T&R RADIAL.2"FILM 1 4857 1/4W 220R 5% T&R RES 2 8817 #10 FLAT WASHER BLACK OXIDE 4
5320 330N 50V 10%CAP T&R BEAD X7R 3 4667 1/2W 270R 5% T&R RES 10 8850 #10 INT TOOTH LOCKWASHER BO 4
5234 470N 63V 10%CAP T&R RADIAL.2"FILM 1 4867 1/4W 270R 5% T&R RES 3 3421 DPDT PUSH SW PCMT MAKE B4 BREAK 3
5322 470N 50V 10%CAP T&R BEAD Z5U 1 4736 5.0W 390R 5% BLK RES 4 3587 DPDT ROKR SW QUIK 250" AC/PWR SEMKO 1
5255 __1U 63V 20%CAP T&R RADIAL ELE.2" 2 4713 1.0W 470R 5% T&R RES 5 3399 THERMO/BRKR:N/CLOSED OPEN@96C 1
5256 __1U 63V 5%CAP T&R RADIAL.2"FILM 3 4821 1/4W 470R 5% T&R RES 9 3900 2/18 RUBBER SPEAKER WIRE 2.5
5518 __1U 35V 10%CAP TANTALUM RADIAL.2 4 4871 1/4W 560R 5% T&R RES 4 3937 YELLOW 18 AWG TR-64 PREFUSED 1
5257 __2U2 63V 20%CAP T&R RADIAL ELE.2" 1 4873 1/4W 680R 5% T&R RES 2 3939 BLUE 18 AWG TR-64 PREFUSED 3.417
5942 __3U3 100V 20%CAP RAD POLYFILM BULK 1 4822 1/4W 820R 5% T&R RES 5 3940 RED 18 AWG TR-64 PREFUSED 4.25
5259 __4U7 63V 20%CAP T&R RADIAL ELE.2" 1 4892 1/4W 910R 5% T&R RES 1 3941 BLACK 18 AWG TR-64 PREFUSED 6.083
5281 _10U 16V 20%CAP NONPOLAR T&R .2" 4 4623 1/2W 1K 5% T&R RES 2 3948ORANGE 18 AWG TR-64 PREFUSED 2.083
5267 100U 25V 20%CAP T&R RADIAL ELE.2" 2 4823 1/4W 1K 5% T&R RES 9 3950GREEN 18 AWG TR-64 PREFUSED 7.833
5621 470U 63V 20%CAP RADIAL ELECT BULK 2 4824 1/4W 1K5 5% T&R RES 6 1207 BM400/H T?RD 1
5859 4700U 50V 20%CAP RADIAL ELECT BULK 2 4683 1.0W 1K8 5% T&R RES 2
5890 5600U 100V 20%CAP RAD ELECT 35X50MM 2 4825 1/4W 1K8 5% T&R RES 4
4522 4K7 TRIM POT 1 4847 1/4W 2K2 5% T&R RES 2
4395 __2K 5C-REV/AUDIO STYLE"P22"16MM 1 4883 1/4W 2K49 1% T&R RES 1
4390 _10K AUDIO DETENT STYLE"P22"16MM 1 4764 1/4W 2K740 0.1% *** T&R RES 1
3996 20K SLD MON WHT KB V 30M DT 11 4805 1/4W 2K87 1% T&R RES 2
713 25 X 20 X 50 2 MIL PLASTIC BAG 1 4627 1/2W 4K7 5% T&R RES 1