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YORKVILLE DH40H, Service Manual

The YORKVILLE DH40H Service Manual is an essential resource for owners of this high-performance amplifier. Users can access this comprehensive manual for free download on our website. With detailed instructions and troubleshooting guidance, it ensures utmost convenience for optimizing product performance. Get your copy today at 88.208.23.73:8080.

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U.S.A. 

Yorkville Sound Inc. 

4625 Witmer Industrial Estate 

Niagara Falls, New York 

14305 USA 

Voice: (716) 297-2920 

Fax: (716) 297-3689 

WORLD HEADQUARTERS 

WEB ACCESS: http://www.yorkville.com 

CANADA 

Yorkville Sound 

550 Granite Court 
Pickering, Ontario 

L1W-3Y8 CANADA 

Voice: (905) 837-8481 

Fax: (905) 837-8746 

Quality and Innovation Since 1963

Printed in Canada 

SERVICE MANUAL 

DH40H

MODEL TYPE: YS1092

•IRONHORSE•

Manual-Service-DH40H-00-1v0

Summary of Contents for DH40H

Page 1: ... Fax 716 297 3689 WORLD HEADQUARTERS WEB ACCESS http www yorkville com CANADA Yorkville Sound 550 Granite Court Pickering Ontario L1W 3Y8 CANADA Voice 905 837 8481 Fax 905 837 8746 Quality and Innovation Since 1963 Printed in Canada SERVICE MANUAL DH40H MODEL TYPE YS1092 IRONHORSE Manual Service DH40H 00 1v0 ...

Page 2: ...ed or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped AVIS AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE N ENLEVEZ PAS LE COUVERT OU LE PANNEAU ARRIERE NE CONTIENT AUCUNE PIECE REPARABLE PAR L UTILISATEUR CONSULTEZ UN TECHNICIEN QUALIFIE POUR L ENTRETIENT CE PRODUIT EST POUR L USAGE À L INTÉREUR SEULEMENT Instr...

Page 3: ...R SW QUIK 180 AC PWR BL BL 1 5631 _22U 50V 20 CAP T R 6X7MM 2EL 2 6549 SPDT TOGGLE SW MINI LRG BAT 1 5945 _10U 63V 20 CAP T R RAD 2EL 4 3392 250 MALE TAB 2IN T R 2 5959 _10U 450V 20 CAP BLK EL 1 3384 12AU7 JJ DUAL TRIODE PREAMP TUBE 1 5973 _22U 450V 20 CAP BLK EL 3 12AX7 12AX7 DUAL TRIODE PREAMP TUBE 2 5268 220U 35V 20 CAP T R RAD 2EL 1 EL34 EL34 PENTODE OUTPUT TUBE 2 5621 470U 63V 20 CAP BLK 12X2...

Page 4: ...2W 1R R1 WIREWND R25 2 0W 1K 2W 1R R2 WIREWND R59 1 4W 1M R46 1 4W 680R TO92 MPSA13 Q2 5105 4148 D17 R61 1 4W 100K R60 1 4W 680R R58 1 4W 1M GRN 18AWG W34 CHASSIS S3 B PURE R67 1 4W 47R R74 1 4W 56K YEL 18AWG W21 Q4 5103 TO92 MPSA06 K4 B 3696 C17 100V 47P R70 1 4W 2K2 R68 1 4W 47R R79 1 4W 56K R20 1 4W 1K54 P1 A 4425 M 15A 500K Gain Q6 5103 TO92 MPSA06 K6 B 3696 R80 1 4W 2K2 R14 1 4W 10K K6 A 3696...

Page 5: ...07 D12 R53 1 4W 2K2 C34 63V 470U P5 4520 M Lin 10K BIAS Voltage C35 35V 220U R26 1 0W 10K0 R27 1 0W 15K R28 1 0W 15K IN REF OUT 6731 U1 7824 TO220 Watts 24 Reg 28Vac S1 POWER C24 250V 100N NA YS CH1343 CE YS CH1343E R51 1 4W 36K 35Vdc 30 3Vdc C15 450V 22U 411Vdc 352Vdc 279Vdc R54 1 4W 1M R43 1 4W 22K In FIXED BIAS mode with no signal adjust BIAS trim P until voltage measures 45mV each across R1 an...

Page 6: ...3N3 680P 100K 2K2 15A 500K 68K 2K2 2K 1 2W 56K 275V 22N 1M 113K 1U 2N2 4007 10N 22N 400V 1R 2W 100K 4007 22K 47R 1 0W 7824 TO220 Watts 1M 22N 400V 4007 4148 RELAY 1C 1B 100K WHT 1M 330K 1B 500K MPSA06 1N 1R 2W 82K 680R 1M 1M 15K BC550C 56K 1M 680P 10K 470N 470N RED 4148 MPSA13 WHT 100N 100N 10U 63V RELAY 1C 10U 450V WHT WHT 1K 2 0W 2 2 N 4 0 0 V 47P 15K 1 0W 56K 1 0W 15K 22U 450V 220U 35V 15K 2K2 ...

Page 7: ...00K 2K2 15A 500K 68K 2K2 2K 1 2W 56K 275V 22N 113K 1U 1M 2N2 4007 10N 22N 400V 100K 2W 1R 4007 22K 47R 1 0W 7824 TO220 Watts 1M 22N 400V 4007 4148 RELAY 1C 1B 100K WHT 1M 330K 1B 500K MPSA06 1N 82K 680R 1M 1M 15K BC550C 56K 1M 680P 10K 470N 470N RED 4148 MPSA13 4N7 250V WHT 100N 100N 10U 63V RELAY 1C WHT WHT 1K 2 0W 10U 450V 1R 2W 2 2 N 4 0 0 V 47P 15K 1 0W 56K 1 0W 15K 220U 35V 22U 450V 15K 2K2 1...

Page 8: ...D TABS NUT WITH ONE SIDE CHAMFER ASSEMBLY OF 6549 SPDT AND 6559 DPDT WITH Z1295 AND NUTS AND WASHERS SEE LAYOUT DIAGRAM M1423 PRODUCTION NOTES 1 Screw U1 directly to PCB using 1x YS 8799 2 Apply RTV to C13 C14 C15 C16 C26 C34 C36 C41 3 KEYWAY OF S1 AND S5 MUST FACE ARROW ON SILKSCREEN 4 HARDWARE FOR 6549 6559 MUST BE ASSEMBLED IN ORDER INDICATED IN ASSEMBLY DRAWING 5 R4 100K 6588 IS HAND INSERTED ...

Page 9: ...ING CHANGE X X X X X X PC PC PC PC PC PC MODEL M1423 PENDING CHANGES 12 9 6 3 13 11 10 5 4 8 7 2 1 DATE MODEL S VER DESCRIPTION OF CHANGE D D D D V V V V N N N D D D D D D D V V V V V V V N N N N N N N N MODEL M1423 11 JAN 2011 V01 V02 12 APR 2011 PC8221 4160 new AC pattern 4646 update GG PC8264 Change R4 4776 with 6588 hand insert GG 11 8 5 2 12 9 6 13 10 7 3 4 1 D D D D V V V V N N N N D D D D D...

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