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SERVICE MANUAL
TYPE: YS1003
YCV50B
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
4625 Witmer Industrial Estate
Pickering, Ontario
Niagara Falls, New York
L1W-3Y8 CANADA
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-ycv50b-00-1v0.pdf
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Summary of Contents for YORKVILLE YCV50B
- Page 1 SERVICE MANUAL TYPE: YS1003 YCV50B WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920 Fax: (905) 837-8746 Fax: (716) 297-3689 Quality and Innovation Since 1963...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within The exclamation point within an equilatereal triangle is an equilateral triangle, is intended to alert the user to intended to alert the user to the presence of important the presence of uninsulated “dangerous voltage” operating and maintenance (servicing) instructions in within the product’s enclosure that may be of sufficient the literature accompanying the appliance. - Page 3 2403 T2,0AL 5X20MM FUSE 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD-BULK 3682 250 MALE PCB TAB REEL 8456 10.0" STRAP HANDLE, NICKEL END CAPS 3887 ADHESIVE LINED GROMMET EDGING 8889 RUBBER GROMMET #2183-034-BLK 3731 SPRING RETAINER FOR OUTPUT TUBE 3438 IEC PWR SOC W/.205TAB &FUSE 10A250V...
- Page 4 MODEL TYPE: YS1003 Block Diagram for YCV50B SPLITTER PREAMP D E S I G N E D A N D M A N U F A C T U R E D B Y Y O R K V I L L E S O U N D 12AX7 12AX7 12AX7...
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Page 5: Power Output Tubes
3921 1/4" ALL GOLD PC MNT JK SKT 3450 & 3450NUT 3698 SPST ROKR SW QUIK 180" AC PWR TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD 3428 8' 3/18 SJT AC LINE CORD REMOVABLE 8638 PUSH SW BUTTON GREY 3731 SPRING RETAINER FOR OUTPUT TUBE... - Page 6 3700 {AWG} TO W25 1/4W 100V K2:B 1/4W 1/4W 100N 250V 400V R112 PRE-AMP 1/4W 100K 470P 100V {AWG} {AWG} V1:A 4424 1/4W 220P 100V 2X_TRIODE_HCT P8:A TO W3 TO W2 TREBLE {Body} 1/4W 1/4W RING 400V Alternate 100K 100K 100V 500K PRE-AMP...
- Page 7 470N 220P 100V 100V 470P 1/4W 100K 1/4W 1/4W R109 620R 1/4W NE5532N 1/4W R107 1/4W 620R NE5532N U2:A Gold Gold Gold 1/4W PRE-AMP-OUT U1:A PWR-AMP-IN R108 100N U2:B 100U U2:C 400V 100N 100V 1/4W NE5532N R119 1/4W 1/4W REVERB RTN 6541 1/4W 1/4W...
- Page 8 These parts are X581 stuffed ONLY on 1/4W X581_ 220K MINI M581 (YCV40) These parts are X613 400V stuffed ONLY on X613_ M613 (YCV50BLUE) 1/4W 1/4W 1/4W 470K 270K 3682 SPLITTER OUTPUT 1324M OUTPUT V3:A V4:A 1.0W 3682 OUTPUT 100N 2X_TRIODE_HCT 1/4W 220R...
- Page 9 3700 K1:C LINE_IN MPSA06 100N Gold Gold Gold 5103 MPSA06 TO92 R111 1/4W BC550C 5103 TO92 1/4W Alternate 5101 Alternate TO92 BIAS 75mV ACROSS R91 AND ACROSS R92 4007 1/4W 250V 100N Bias Alternate Alternate 4520 3700 K2:C 3682 3682 LINE 3682 XF PRI...
- Page 10 X8004 Version History M581 PCB HISTORY MODEL(S):- MODEL(S):- YCV40/YCV50BLUE YCV40 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE 23-APR-2008 14.00 Released for Production NOV/02/00 1.00 FIRST PRODUCTION PC7625,M581 R78 27K>18K#4831.M613 R78 18K>15K#4830 NOV/08/00 PC#6305 R63 2K2->3K3 R40 24K->27K PC7649, CHANGE P12 22K #4517 TO 10K #4520 DEC/14/00 2.00...
- Page 11 Into Wave YCV50BLUE M613 v14.00 BlankSize - 18600x12800 StepAndRepeat - X1@0.000Y2@6.400 BlankSize - 18600x12800 YCV40 M581 5908 5907 100R0 5906 CHNL2 YCV50BLUE M613 X613_ CHNL1 100U BOOST v14.00 1 /5 4148 3700 100U CLEAN VOLUME TREBLE 500K 500K 100K 500K 500K 100K 500K...
- Page 12 SEE LAYOUT DIAGRAM YCV50BLUE M613 v14.00 X8004 Version History X8004 DRILL HISTORY MODEL(S):- MODEL(S):- YCV40/YCV50BLUE YCV40/YCV50BLUE DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE 23-APR-2008 14.00 Released for Production PC7625,M581 R78 27K>18K#4831.M613 R78 18K>15K#4830 PC7649, CHANGE P12 22K #4517 TO 10K #4520 X8004 PENDING CHANGES MODEL(S):- YCV40/YCV50BLUE...
- Page 13 SEE LAYOUT DOCUMENTATION PRODUCTION NOTES 6. BEND C69 OVER Q7 AS FAR AS POSSIBLE BEFORE 1. RTV MUST BE ADDED TO THE FOLLOWING CAPS ADDING RTV C1,C16,C19,C17,C70 BETWEEN C84,C28,C60,C15 BETWEEN C49,C50, ADDED TO C15,C7,C8,C3,C9 7. PCBSA: BREAK OUT BOARD BEFORE TESTING C56,C14,C6,C10,C4,C2 AND C12 2.
- Page 15 YCV50BLUE m613 Service Update for V2.10 boards April 2005 boards have been reworked as described in this document. To address PC#6865 a 22AWG wire, part # 3947 jumper, needs to be soldered from P10 to S3 on the bottom side of the board as shown: SERVIC BULLET YCV50-...
- Page 17 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. Replace jumper X61 with a 1K resistor, #4823:...
- Page 18 R E D ME T A L _ B A C K T O E Y E 9 W C 1 1 GR AY G R A Y R E D WC 8 + 2 4 V B R O W N B R O W N S UPPLY E Y 9...