Yorkville AP2020 pwr sm

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=-= Yorkwlle PROFESSIONAL SERIES
TYPE: AP2020
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA U.S.A.
Yorkville Sound Yorkville Sound Inc. _
550 Granite Court 4625 Witmer Industrial Estate M 1129 (Input board) M 1132 (pot. board)
Niagara Falls, New York ' Schematlc ' Schematlc
14305 USA ' PCB Layout - PCB Layout
M 1130 (power amp module) M 1131 (power supply board)
- Schematic - Schematic
- PCB Layout

Pickering, Ontario

L1W-3Y8 CANADA
- PCB Layout

Voice: (716) 297-2920

Voice: (905) 837-8481
Fax: (716) 297-3689

Fax: (905) 837-8746

SERVICE MANUAL

Manual»sevvlce-ap2020-I vfi.pdl

Yorkville

Quality and Innovation Since 1963

Printed in Canada

Page 2

IMPORTANT SAFETY INSTR

UTION AVIS

RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE Ps OUVRIR

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

CA U TION:

TO REDUCE THE RISK OF ELECTRIC SHOCK 0
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 understood
before operation of your unit. Please, save these
instructions for future reference.

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

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

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.
H azards:

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
manufacturers 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.

Power Cord:

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

Se rv ice:

The unit should be serviced only by qualified service personnel.

INSTRUCTIONS RELIA TIVES AU RISOUE
DE FEU, CHOC ELECTRIOUE, 0U
BLESSURES AUX PERSONNES.

A VIS:

NENLEVEZ PAS LE COUVERT (OU LE PANNEAU
ARRIERE). NE CONTIENT AUCUNE PIECE REPARABLE

PAR L'UTILISATEUR.

CONSULTEZ UN TECHNICIEN Q ALIFIE
POUR L'ENTRETIENT.

Veuillez lire le manuel:

|| contient des informations qui devraient étres comprises avant
I'opération de votre appareil. Consen/ez S.V.P. ces instructions
pour consultations ultérieures

Emballage:

Conservez la boite au cas ou l'appareil devait étre
retourner pour reparation.

Warning:

Attention: Lors de l'utilisation de produits électrique,

assurez-vous d'adhérer a des precautions de bases
incluant celle qui suivent:
Alimentation:
Lappareil ne doit étre branché qua une source d'alimentation
correspondant au voltage spéciIie dans le manuel ou tel qu'indiqué
sur l'appareil. Cet appareil est équipé d'une prise dalimentation
polarisée. Ne pas utiliser cet appareil avec un cordon de
raccordement a moins qu'il soit possible dinsérer completement les
trois lames. Des precautions doivent étres prises afin d'eviter que le
systeme de mise a la terre de l'appareil ne soit desengagé.
Hazard:
Ne pas placer cet appareil sur un chariot, un support, un tre'pied ou une
table instables. L'appareil pourrait tomber e1 blesser quelqu'un ou subir des
dommages importants. Utiliser seulement un chariot, un support, un tre'pied
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 recommandes par le fabricant.

ll convient de ne pas placer sur lappareil de sources de flammes
nues, telles que des bougies allumees.

Lappeil ne doit pas etre expose a des egouttements deau ou des
eClaboussures et qu'aucun objet rempli de liquide tel que des vases
ne dcit étre place Sur l'appareil.

Les dispositits marques d'une symbole d'eClair' sont des parties
dangereuses au toucher et que les Cablages exte'rieurs connecte's a
ces dispositiIs de connection extérieure doivent etre effective's par un
operateur forme ou en utilisant des cordons de'ja prepares.
Cordon d'alimentation:

Evitez dendommager le cordon d'alimentation. NUTILISEZ PAS
L'APPAFIEIL si le cordon dalimentation est endcmmage.
Service:

Consultez un technicien qualifie pour l'entretien de votre appareil.

SAFE,V4.doC Version 4.0 02/11/99 11:54 AM

AP2020 Parts List 5/29/00

YS It Description Qty. YS It Description Qty. YS # Description Qty.
3570 14 PIN SCKT CLOSED FRAME DIP ONLY 1 3415 RED 0N RIGHT DUAL BINDING POST TPP5 1 4752 1/4W 9K750 0.1% TAR RES 8
5905 RED 3MM LED 1V9 20MA .4SPCER TAR 3 3918 1/4" JCK PCB MT HORz SL1M W/SCREW 2 4529 1/2W 10K 5% TAR RES 4
5405 RED 3MM LED 1V7 5MA BRT 4 5955 SPKoN 4C PCB MT HORz GRY #4 2 4800 1/4W 10K0 1% TAR RES 3
5908 GRN 3MM LED 1V9 20MA 4SPCER TAR 3 3557 > 5408 GRN 3MM LED 1V9 5MA FROSTED 3 3451 EYELET SMALL 0089 0D PLATED 53 4983 MW 10K 5%MlNl TAR RES 3
5419 BRIDGE 35A 400V WIRE LEAD GI3504 2 3850 FAN 80MM x 80MM 40CFM 12VDC 1 5115 1/4W 10K0 1%M1NI MF TAR RES 8
5425 BAV21 200V 0A25 DlODE TAR 8 8434 AP SERIES PLASTIC HANDLE PAIR 1 5008 1/4W 14K7 1% TAR RES 4
5825 1N4148 75V 0A45 DIODE TAR 53 3895 HEATSlNK WAKEFIELD 274P3AI3 4 4830 1/4W 15K 5% TAR RES 4
5438 1N4004 400V 1A0 DIODE TAR 5 8433 AP SERIES PLASTIC KNOB 2 4979 MW 15K 5%MlNl TAR RES 10
5934 MR854 400V 3A0 D10DE FASREC 12 8551 BUTTON KNOB FLAT GREY 3 4875 1/4W 15K 5% TAR RES 1
5439 1N5225I3 3V0 0W5 ZENER 5% TAR 2 8437 FAN FILTER LABEL 1 4771 1/4W 17K8 1% TAR RES 5
5440 1N750ARL 4V7 0W5 ZENER 5% TAR 1 3458 8 3/15 SIT AC LlNE CDRD STRIP 17" 1 4885 1/4W 20K 5% TAR RES 3
5459 1N4732A 4V7 1W0 ZENER 5% TAR 2 3821 HEYCO #1200 STRAIN RELIEF 1 5123 MW 20K0 1%M1NI MF TAR RES 2
5435 1N753ARL 5V2 0W5 ZENER 5% TAR 2 8251 GE VELVET LE><12">< 24" 0,304 5003 1/4W 30K1 1% TAR RES 4
5451 1N52408RL 10V0 0w5 ZENER 5% TAR 2 8252 GE VELVET LE><12">< 24" 0,002 4840 1/4W 33K 5% TAR RES 5
5485 1N5244B 14V0 0W5 ZENER 5% TAR 4 3551 ,5 C1R WAFER W/LCK RA 0.1" GOLD 2 5122 1/4W 33K 5%MIN1 TAR RES 1
5822 1N4745A 15V0 1W0 ZENER 5% TAR 8 3552 ,5 CIR WAFER W/LCK VT 0 1" GOLD 1 5002 MW 42K2 1% TAR RES 2
5432 1N5248B 18V0 0W5 ZENER 5% TAR 4 3572 5 CIR CABLE HOLDER .098 3 4834 1/4W 47K 5% TAR RES 2
5450 1N5250I3 43V0 0W5 ZENER 5% TAR 3 8701 440 KEPS NUT ZINC 15 5119 1/4W 47K 5%MIN1 TAR RES 2
5101 BC5500 T092 NPN TRAN TAR TB 21 8793 4'40 HEX NUT ZINC 3 4835 1/4W 55K 5% TAR RES 4
5102 Bc5500 T092 PNP TRAN TAR TB 18 8750 5.32 KEPS NUT TlN PLATED 32 4751 MW 50K4 1% TAR RES 4
5103 MPSA05 T092 NPN TRAN TAR TA 3 8800 5732 KEPS NUT z1Nc 5 4848 1/4W 52K 5% TAR RES 1
5107 2N5551 To92 NPN TRAN TAR TA 2 8720 #8 SPRING NUT 2 4838 1/4W 100K 5% TAR RES 3
5108 2N5401 To92 PNP TRAN TAR TA 4 8712 5115724 IAM NUT IS500 1 4851 1/4W 120K 5% TAR RES 2
5113 MPSA42 T092 NPN TRAN TAR TA 4 3797 T0247 THERMO CONDUCT1VE PAD 4 5137 MW 200K 5%M1NI TAR RES 2
5105 MPSA13 T092 NPN DARL TAR TA 2 3815 T03 PREGREASED MICA 56703~2AP 15 4841 1/4W 220K 5% TAR RES 2
5814 MIF5558 T221D PNP TRAN DARL TI 1 3823 TO220 THERMD PAD SMALL HOLE 4 5125 1/4W 220K 5%MlNl TAR RES 5
5815 MIF5388 T221D NPN TRAN DARL TI 2 3845 T0220 THERMO PAD LARGE HOLE 553593 4 4843 1/4W 470K 5% TAR RES 2
5873 MIE340 T0125 NPN TRAN TG 5 4597 22AWG STRAN TC WIR IMP 29 5127 MW 470K 5%M1NI TAR RES 2
5874 MIE350 T0125 PNP TRAN TG 5 4599 22AWG SOLID SC WIR TAR IMP 79 4951 1/4W 4M7 5% 20 TAR RES 2
5752 MTP10N15L TO220 NCH MFET TN 2 5299 24ch SOLID Sc WIR RAD IMP 52 5132 1/4W 8M2 5%MlNl TAR RES 2
5933 MTP23P05 TO220 PCH MFET TN 2 4745 5.0W 0R1 5% BLK RES 8 3709 ,7" GCvZSAWG RlB 1 W/LCK HDR 098 1
5900 Y55900 (22) T03 NPN TRAN TH 8 4582 1/2W 1R 5%PHILIPS SMAL TAR RES 5 3710 17" 5025AWG RlB 1 W/LCK HDR 098 2
5989 MIL1302A TO3P PNP TRAN TK 2 4877 1/4W 1R 5%FLAME PROOF TAR RES 10 3522 14" MC~28AWG DIP HDR CABLE 05" 1
5990 MIL3281A TO3P NPN TRAN TK 2 4911 1/4W 2R2 5% TAR RES 8 3595 RELAY 1C 02AMP DC24 005MA Pch 2
5927 YS5927 (23) T03 PNP TRAN TH 8 4748 2.0W 3R9 5% TAR 4 8870 #4 x 1/4 PAN PH TYPE A ZlNC 2
5840 Mc33078P lC DUAL OP AMP 5 4733 5.0W 5R5 5% BLK RES 2 8855 4740 x 5715 PAN PH MS IS500 4
5889 TLO74CN IC OUAD O/A TI ONLY 1 4505 1/8W 10R 5% TAR RES 1 8729 #4 x 3/8 FLAT OUAD TYPE A IS500 BLK 5
5190 MBS4992 T092 8V5 DlAC 2 4510 1/4W 10R 2%FLAME PROOF TAR RES 5 8742 440 x 3/8 PAN PH TAPTITE IS500 4
5444 MA0224E4 T0220 40A TRlAC 200V 2 4875 1/4W 10R 5% TAR RES 4 8851 4740 x 3/8 PAN PH MS IS500 3
5859 NSLEZBAA 0PTO.c0UPLER 2 4930 1/4W 10R 5% .211 TAR RES 1 8741 4740 x 1/2 PAN PH MS IS500 8
5478 ASSSFNETOQZ TEMPERATURE SENSOR 2 4591 1/8W 22R1 1%FLAME PROOF TAR RES 2 8871 4740 x 5/8 PAN PH MS IS500 8
5200 ,10P 200V 5%CAP TAR RAD CERTNPO 4 4507 1/8W 39R 2%FLAME PROOF TAR RES 14 8799 #5 x114 PAN PH TYPE B I5500 2
5817 ,15P 100V 2%CAP TAR RAD CERTNPO 2 4899 1/4W 39R 5% TAR RES 2 8832 5732 x114 PAN PH TAPTITE IS500 4
5405 ,27P 200V 5%CAP TAR RAD CER.2"NPO 2 4817 1/4W 47R 5% TAR RES 2 8801 5.32 x 3/8 PAN PH TAPTITE IS500 3
5411 150P 100V10%CAP TAR BEAD NPO 2 4811 1/4W 58R 5% TAR RES 5 8829 5732 x 3/8 FLAT PH TAFTlTE BO#4 HEA 18
5412 220P 100V 10%CAP TAR BEAD NPO 12 4508 1/8W 75R 2%FLAME PROOF TAR RES 8 8751 5732 x112 PAN PHIL MS ZINC CLEAR 32
5417 330P 50V10%CAP TAR BEAD NPO 2 4852 1/4W 100R 5% TAR RES 1 8823 5732 x1 PAN PH TAPTITE IS500 1
5205 71N 400V 5%CAP TAR RAD 2"FLM 2 4859 1/4W 150R 5% TAR RES 4 8753 8732 x172 PAN PH MS IS500 BLACK 4
5422 7m 50v10%CAP TAR BEAD NPO 4 4545 1/8W 220R0 1%FLAME PROOF TAR RES 2 8859 8-18 x112 THRD CUTTING FOR PLAST1C 4
5273 71N5 200V 5%CAP TAR RAD CER 2"NPO 4 4857 1/4W 220R 5% TAR RES 2 8999 8732 x 5/8 PAN PH TAPTITE IS500 11
5274 72N2 200V 5%CAP TAR RAD CER.2"NPO 4 4977 1/4W 220R 5%MlNl TAR RES 2 8719 8732 x 3/4 FILLISTER PHIL MS IS500 2
5209 74N7 250V 5%CAP TAR RAD 2"FLM 4 4505 1/8W 249R 2%FLAME PROOF TAR RES 10 8809 1032 x114 PAN PH TAPTlTE IS500 5
5451 74N7 250V 20%CAP BLK Y 10MM Ac 1 4770 1/4W 249R 1% TAR RES 10 8731 10715 x 5/8 TYPE 8 HE>< W/SLOT IS500 12
5204 JUN 100V10%CAP TAR RAD 2"FLM 2 4821 1/4W 470R 5% TAR RES 14 8711 5/1524 x 3 GRD 5 HE>< BOLT I5500 1
5834 JUN 250V 20%CAP BLK RAD P0LY FLM 2 4980 1/4W 470R 5%MlNl TAR RES 2 8553 11/54 NYLON SPACER (MICRO PLASTIC) 32
5210 ,22N 100V10%CAP TAR RAD 2"FLM 4 4509 1/8W 1K 2%FLAME PROOF TAR RES 4 8529 1032 x114 SPACER PHENOL1C 8
5435 ,22N 275V 20%CAP BLK'X2'15MM AC 2 4523 1/2W 1K 5% TAR RES 2 3744 SNAP IN .375 SPACER RICHCO 5
5308 74m 50V10%CAP TAR BEAD x7R 2 4823 1/4W 1K 5% TAR RES 4 3739 CUSTOM 4 LED SPACER 5
5225 ,58N 100v 5%CAP TAR RAD 2"FLM 4 4981 1/4W 1K 5%MINI TAR RES 10 3858 3/4 PLAST1C HE>< SPACER #4 4
5228 100N 100V 5%CAP TAR RAD 2"FLM 14 4998 5.0W 1K2 5% BLK RES 4 8557 5732 x 3/8" HE>< SPACER ALUMlNUM 1
5314 100N 50v10%CAP TAR BEAD x7R 3 4524 1/2W 1K5 5% TAR RES 2 3429 SPDT ROKR SW QUIK 180 AC PWR BL/BL 1
5229 150M 53V10%CAP TAR RAD 2"FLM 4 4988 1/4W 1K5 5%MIN1 TAR RES 4 3435 DPDT PUSH Sw PCMT H BREAK B4 MAKE 3
5231 220N 53V10%CAP TAR RAD 2"FLM 2 4791 1/4W 1K54 1% TAT RES 4 3587 DPDT ROKR Sw QUIK 250"ACIPWR ON-OFF 1
5882 220N 250V10%CAP BLK RAD P0LY FLM 4 5005 2 0W 1K8 5% BLK RES 4 3705 4P3T SLID SW PCMT H 1
5257 72U2 53V 20%CAP TAR RAD .2"EL 2 4808 1/4W 2K 5% TAR RES 1 3417 PC SCREW TERMlNAL PC MOUNT 1
5259 74w 53V 20%CAP TAR RAD .2"EL 3 5113 1/4W 2K 5%MINI TAR RES 5 7584 SQUAREECUT 0 RlNG FOR AP AIR FlLTER 1
5281 ,10U 15V 20%CAP TAR RAD 2"NF 2 5005 1.0W 2K7 5% TAR RES 4 8432 AP SERIES AlR GRILL 1
5529 ,10U 150V 20%CAP BLK 10x13MM EL 4 5205 1/4W 3K01 1% TAR RES 2 8432P LOGO HOT STAMPED 0N AP800 GRILL 1
5250 ,22U 50v 20%CAP TAR RAD ,2EL 14 4825 1/4W 3K3 5% TAR RES 2 1198 AP2020 120VAC 50Hz TRD 1
5951 ,33U 15v 20%CAP TAR RAD 2"NP 8 5135 1/4W 3K3 5%MIN1 TAR RES 4 z122P BLACK ANODIZE APHISINK 5
5257 100U 25V 20%CAP TAR RAD TEL 5 5205 1/4W 3K40 1% TAR RES 2 M15.3>( M1131 x 3 AP2020 PCB 0 333
5897 330U 15V 20%CAP BLK 08x11MM EL 5 4850 1/4W 3K9 5% TAR RES 1 MTBXS M1130 x 2 AP2020 PWR SD 202 C 1
5518 470U 25V 20%CAP BLK10X15MM EL 1 4827 1/4W 4K7 5% TAR RES 2 M1385) M1128 x 5 AP4200 POT BOARD 0157
5517 3300U 53V 20%CAP BLK 25x31MM ELS 4 4982 1/4W 4K7 5%MIN1 TAR RES 18 M1475) M1129 x 4 AP4200 INPUT BOARD 0 25
5895 5800U 53V 20%CAP BLK 25x50MM ELS 8 5141 1/4W 5K5 5%MlNl TAR RES 4

4390 710K AUD 15MM DETENT P22 2 4852 1/4W 5K5 5% TAR RES 4

4524 74K7 TRlM P0T V 2 5001 1/4W 5K04 1% TAR RES 2

3505 12.0 AMP ClRCUlT BREAKER 1 4925 1/4W 7K5 5% .2"U TAR RES 2

3759 iAUH CO1L 14AWG ZOBEL VERT1CAL 2 4553 1/2W 8K2 5% TAR RES 2

3410 RED 0N LEFT DUAL BINDING POST TPP5 1 4990 1/4W 8K2 5%MIN1 TAR RES 1