SERVICE MANUAL YCV40/T TYPE YS1003 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...
IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO A INSTRUCTIONS RELATIVES AU RISQUE RISK OF FIRE, ELECTRIC SHOCK, DE FEU, CHOC ÉLECTRIQUE, OU OR INJURY TO PERSONS BLESSURES AUX PERSONNES CAUTION: AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, TO REDUCE THE RISK OF ELECTRIC SHOCK, DO N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE) NOT REMOVE COVER (OR BACK).
Page 4
3733 8 PIN PC MOUNT TUBE SOCKET 5907 YEL 3MM LED 1V9 20MA .4SPCER T&R 3428 8' 3/18 SJT AC LINE CORD REMOVABLE 1324 YCV40 POWER 120VAC 60HZ XFMR 5908 GRN 3MM LED 1V9 20MA .4SPCER T&R 8264 YBA/YCV LOGO EMBOSSED ALUMINUM...
Page 5
AC RECEPTACLE / FUSE HOLDER 8456 10.0" STRAP HANDLE, NICKEL COVERS 3426 AC LINE CORD - #3474(EURO) TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD 3552 NYLON SPRING CLAMP 8770 1/4-20 X 1 5/16 TRUSS PH MS JS5 8504 CORNER, 2 LEGS NOTCED LIP NICKEL PLATED...
Page 6
Z357* 3438 AC RECEPTACLE / FUSE HOLDER 8456 10.0" STRAP HANDLE, NICKEL COVERS TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD 3537 ACC# 4EB3C1B LONG REVERB 8504 CORNER, 2 LEGS NOTCED LIP NICKEL PLATED 8770 1/4-20 X 1 5/16 TRUSS PH MS JS5...
Page 7
MODEL TYPE: YS1003 Block Diagram for YCV40 & YCV40T 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...
Page 8
1.0W 200V V5:A FLMP 100V OUTPUT Transformer U1:B SPST Switch M581 PCB HISTORY 4007 PRESENCE IRF830 U1:C MODEL(S):- 4N35 YCV40 P10:A PHONE_PLUG 4007 NE5532N DATE VER# DESCRIPTION OF CHANGE R102 + to tip NOV/02/00 1.00 FIRST PRODUCTION 4007 7824 1/4W NOV/08/00 PC#6305 R63 2K2->3K3 R40 24K->27K...
Page 10
CHANGES (SEE YCV50 V2.00 SCHEMATIC FOR DETAILS) M581 POT LIST DEC-02-2004 . GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER JUN-15-2005 12.00 AH, PC#6866, ADD CONNECTION PREAMP-STANDBY YCV40 TUBE AMP MODEL(S):- #6933, CHANGE R78 TO 27K AND ADD TRIM POT 10K FUNCTION PART# KNOB...
Page 11
R E D M E 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 T O E Y 4...
Page 12
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...
Page 13
LI NE N EUT R AL R E D ME T A L_ BA CK T O E Y E 9 W C 1 1 GRAY G R A Y + 2 4 V B R O W N B R O W N SUPPLY E Y 9 O U T P UT - T U B E...
Page 19
YCV40 m581 Service Update for V11.00 boards April 2005 boards have been reworked as described in this document. To address PC#6866 a 22AWG wire, part # 3947 jumper, needs to be soldered from P11 to S3 on the bottom side of the board as shown:...
Page 20
ALUMINUM 2MM WITH_90DEG_BEND_UP_1.25" ALIGNMENT HOLE ALIGNMENT ADD 150K / 2watt resistor HOLE IRF830 7824 change to 1Kohm FUNCTION 24V_REG 100U change to 2.7ohms change to MPSA13 and be certain to re-orient the device as shown in purple remove R103 and replace with a 51v zener and a 390k resistor with R103 polarity as shown in purple.
Need help?
Do you have a question about the YCV40 and is the answer not in the manual?
Questions and answers