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YORKVILLE YCV50 Service Schematics
YORKVILLE YCV50 Service Schematics

YORKVILLE YCV50 Service Schematics

Yorkville stereo amplifier service manual
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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
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-ycv50-00-1v8.pdf

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Summary of Contents for YORKVILLE YCV50

  • Page 1: Service Manual

    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 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920...
  • Page 2: Important Safety Instructions

    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 Manualshould be read and understood before operation of your unit.
  • Page 3 YS # Description 6397 JEWELED PILOT LAMP AMBER REG 5906 RED 3MM LED 1V9 20MA .4SPCER T&R 6398 RED 5MM LED 1V5 20MA HIGH EFF 6399 YEL 5MM LED 1V5 20MA HIGH EFF 5907 YEL 3MM LED 1V9 20MA .4SPCER T&R 5908 GRN 3MM LED 1V9 20MA .4SPCER T&R 6825 1N4148 75V 0A45 DIODE T&R...
  • Page 4 Block Diagram for YCV50 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...
  • Page 5 3682 1324M EXTENSION 1.0W 220R FLMP OUTPUT 3682 M613 REVISION HISTORY 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)
  • Page 6 MJE340 330K 6880 250V 220N 51V0 5882 250V 220N 5882 BC550C METAL BACK ETCH Pcb Mech GUIDE SEE LAYOUT DOCUMENTATION M613 YCV50 100U 4V00 TREBLE MASTER VOLUME 100K 500K 4424 4425 4423 100U BRIGHT BASS PRE-AMP 220P SPLITTER 12AX7A 113K...
  • Page 7 M581 PENDING CHANGES MODEL(S):- YCV50 3. C3,C7,C6 MUST BE LOW PROFILE PT#5631 PENDING CHANGE 4. C8,C9 MUST BE LOW PROFILE PT#5879 *PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY M613 POT LIST YCV50 TUBE AMP MODEL(S):- FUNCTION PART# KNOB AS OF DRIVE #4425...
  • Page 8 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:...
  • Page 10 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 11 T R A N S F O R M E R B L K B L K T O E Y 5 wiring-YCV50-CE-AC R E D W C 1 1 B R O W N B R O W N...

This manual is also suitable for:

Ys1003