SERVICE MANUAL TYPE: YS1003 YCV50 WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (905) 837-8481 Fax: (905) 837-8746 Voice: (716) 297-2920 Fax: (716) 297-3689 Quality and Innovation Since 1963 Printed in Canada Manual-Service-ycv50-00-1v8.
IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC ÉLECTRIQUE, OU BLESSURES AUX PERSONNES 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). AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE) NO USER SERVICEABLE PARTS INSIDE. NE CONTIENT AUCUNE PIECE REPARABLE PAR L’UTILISATEUR.
YCV50BLUE Parts List 2/15/2005 YS # 6397 5906 6398 6399 5907 5908 6825 6438 6461 6432 6475 6731 5101 5103 5104 6873 6730 6884 6880 6467 5203 5197 5194 5201 5206 5422 5273 5606 5208 5274 5209 6451 5204 5840 6435 5224 5841 5227 5228 5314 5865 5231 5882 5233 5234 5254 5257 5945 5959 5631 5902 5267 5879 5914 5621 TFS-2B 4423 4424 4425 713 3976 8522 8563 3478 3489 3494 3602 3682 NYS224 3498 3523 3528 3921 3890 3914 3451 2403 8451 8604 8889 Description JEWELED PILOT LAMP AMBER REG V1 RED 3MM LED 1V9 20MA .
MODEL TYPE: YS1003 Block Diagram for YCV50 12AX7 V3 12AX7 12AX7 V2 V1 DISCONNECT POWER WHEN REPLACING TUBES EQ DÉBRANCHÉ L’APPAREIL AVANT DE REMPLACER LES LAMPES Boost Treble/Bass/Mid Mono 1/4-inch PREAMP SPLITTER DESIGNED AND MANUFACTURED BY YORKVILLE SOUND POWER EL34 V5 EL34 V4 Ch. 2 Volume Preamp V1:A Preamp V2:A 0 dB Input Channel Select Pre-Amp Out Channel Select K1 EQ K1 Treble/Bass/Mid Preamp V1:B Ch.
E F G H K2:B 1 C34 4N7 RED +249Vdc W20 I J K 50V R29 1/2W 2K C56 22U R36 1/4W 100K R60 1/4W 620R 22U C6 50V MINI C51 82N 100V DOWN UP S4:B MINI 400V EBC TO-92 C 50V F 4148 VR69 1/4W 120K 10MM R104 2.0W 150K R100 2.0W 3R9 H R91 10R 1.0W FLMP 50V C14 22U - OUTPUT J5 3682 W15 3682 10 W14 4 T1 1324M 1 BLK 3 -36 to -38Vdc R90 1.
C39 C55 47P C63 1M 120K 10K X62 120K 2N2 R54 1K 1.
SEE LAYOUT DIAGRAM M613 REVISION HISTORY MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 YCV50 DATE VER# DESCRIPTION OF CHANGE SEPT-23-2004 1.00 GT:DERIVED FROM M581 V11.00 OCT-15-2004 2.00 GT: PC#6748 R101 -> 2K2 (4847), R55 -> 4K7 (4827), D24 -> . . 20V0 (6465), ADD R104: 150K/2W (4790) . . Increased route cutaway on preamp board . . R53->3K9 (4850), R62->270K (4879), C19->100N (5865) DEC-02-2004 .
YCV50BLUE m613 Service Update for V2.10 boards April 2005 boards have been reworked as described in this document.
YCV50BLUE m613 Service Update for V2.10 boards (additional) 1. First complete the Service fix PC#6865 as described in the pdf: Service_YCV50-m613_Update_for_V2.10_PC#6865.pdf To upgrade the unit from v2.10 to v2.20 PC#6889, complete the following: 2.
WC 10 BR OWN BROWN WC 13 B LU E BLUE C 53 250VAC EYE6 680N GR E E N O U T P UT -T U B E 6L6B #3638 WC 5 WC 9 GR N RED TO E YE 6 RE D RE D JB5 GR N EY2 WC 14 EY4 WC 15 F JB6 F RED 6L6B WC 12 F WC 6 F WC 3 GR N C 41 WC 1 O U T P UT -T U B E RED GRE EN GR EE N WC 2 WC 4 EY9 EYE5 BLK BLK T O OUT P UT T R A NS F O R ME R T O OUT P UT T R A NS F O R ME R GREEN B LAC K E X T E N S IO N O UTP UT TO EY5 G rn/Y el wire soldered to ground lug 1324E Y C V 5 0C E E X P
