YORKVILLE YCV50B - SERVICE, Service Manual

Page 1: ...SA 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 YCV50B TYPE YS1003 ...

Page 2: ... spilled 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 Instructions relatives au risque de feu choc élect...

Page 3: ... 12X25MM EL 1 8741 4 40 X 1 2 PAN PH MS JS500 2 5879 100U 16V 20 CAP T R 8X7MM 2EL 2 8832 6 32 X 1 4 PAN PH TAPTITE JS500 13 5902 _82U 450V 20 CAP BLK 22X30MM 1 8807 6 32 X 5 16 PAN PH MS JS500 1 4423 _20K 15AAUDIO 9MM P32 3 8801 6 32 X 3 8 PAN PH TAPTITE JS500 4 4424 100K 1B LIN 9MM P32 3 8829 6 32 X 3 8 FLAT PH TAPTITE BO C HEA 11 4425 500K 15AAUDIO 9MM P32 5 8722 8 X 1 PAN QUAD TYPE AB B O 4 45...

Page 4: ...nch Input Footswitch Channel Select Boost Preamp Channel Select Boost V1 A Preamp V2 B 0 dB Preamp V2 A Splitter U2 B U1 B Reverb Drive Ch 1 Volume Ch 2 Volume K1 Channel Select K1 Reverb Rtn Master Volume Power Amp Reverb Accutronics 4EBC1B V3 Preamp V1 B V4 V5 External Speaker Out External Speaker Out 12 inch Speaker YS 7081 8 ohms Pre Amp Out Amp In Treble Bass Mid EQ Treble Bass Mid EQ BLOCK D...

Page 5: ...PC MNT JK SKT 13 3698 SPST ROKR SW QUIK 180 AC PWR 14 TFS 2B TRAYNOR DUAL FOOTSWCH 10 CORD 15 3428 8 3 18 SJT AC LINE CORD REMOVABLE 16 8638 PUSH SW BUTTON GREY 17 3731 SPRING RETAINER FOR OUTPUT TUBE 18 3537 ACC 4EB3C1B LONG REVERB 19 3890 36 PREFAB CABLE RED BLACK 20 7025A OR 7025B 12AX7 DUAL TRIODE PREAMP TUBE 21 EL34 POWER OUTPUT TUBES NOTE Replacement grilles are Special Order and are only av...

Page 6: ...A 4423 M 15A 20K MID P7 A 4425 M 15A 500K BASS P9 A 4425 M 15A 500K CLEAN VOLUME R79 1 4W 30K P4 A 4423 M 15A 20K MID P2 A 4424 M 1B 100K TREBLE P3 A 4425 M 15A 500K BASS R53 1 4W 33K YCV40 C18 200V 1N5 C22 100V 47N C23 100V 47N R14 1 4W RAD 100K M581 3700 K2 A W4 TO W1 AWG BLK W3 TO W2 AWG YEL This part is stuffed ONLY on M613 YCV50BLUE This part is stuffed ONLY on M581 YCV40 S6 B 3522 UP Alterna...

Page 7: ... C75 400V 2N2 C11 63V 100N C6 50V 22U C4 50V 22U R65 1 4W 47K R66 1 4W 47R 4148 D17 4148 D16 R97 1 4W 10K C2 50V 22U C64 250V 4N7 R67 1 4W 10K C9 16V 100U R61 1 4W 620R C56 50V 22U R70 1 4W 18K C10 50V 22U R69 1 4W 120K R72 1 4W 1M C14 50V 22U R71 1 4W 10K C68 63V 100N C8 16V 100U R60 1 4W 620R 400V C30 2N2 R68 1 4W 120K 8 V 4 V U1 C C72 63V 100N M 1B P11 A 4424 100K REVERB R63 1 4W 3K3 C66 100V 2...

Page 8: ...82K W41 AWG ORN V2 V3_PL R77 1 4W 270K R86 1 4W 820R R41 1 4W MINI 220K R87 1 4W 820R R91 2 0W 2R 3682 W18 XF BRN R89 1 0W FLMP 220R 3682 W17 XF BLU X613_ 1324M YCV40 7080 12 8R 80WPGM P10 A 4423 M 15A 20K Presence Master R49 1 4W 4K7 R44 1 4W 100K R62 1 4W MINI 220K R42 1 4W MINI 220K R92 2 0W 2R C48 63V 100N 3682 W19 Out_XF_CT RED R48 1 4W 10K C47 63V 100N X41 Body V3 B Val 2X_TRIODE_HCT SPLITTE...

Page 9: ... 10U W40 ORN to_V2 V3_PL R101 1 4W 2K2 R102 1 4W 470R R103 1 4W 470K C41 450V 10U R88 1 0W Mini 1K C69 63V 2U2 3700 K2 C R26 1 2W 2K LD5 GRN 5908 CHNL2 Q6 5101 TO92 BC550C R31 1 4W 10K R83 1 8W FLMP 100R0 LD3 YEL 5907 CHNL1 S5 B 3522 UP Alternate DOWN CHANNEL SPST Switch S7 Power C25 63V 10U R73 1 4W 1M P12 4520 M Lin 10K Bias C13 63V 10U C44 63V 10U 4007 D5 R113 1 4W 36K R75 1 4W 36K W38 AWG GRY ...

Page 10: ...ANCES NEAR OUTPUT TUBES 12 01 DEC 14 2005 PC 6965 MOVE ARC TRACE AWAY FROM TUBES MAY 18 2006 13 00 PC 7125 GT J7 J8 3914 RCA JACK 6541 PC 7091 ENLARGE HOLES FOR S3 S6 3522 FOR KINK LEADS MOVE C3 FOR DEPT 59 FOR COLLISION AVOIDANCE REF KNOB PART MODEL S FUNCTION XC146 AS OF YCV40 YCV50BLUE X8004 POT LIST 11 00 11 00 11 00 11 00 11 00 11 00 11 00 11 00 11 00 11 00 11 00 8430 8430 8430 8430 8430 8430...

Page 11: ...V Alternate WHT BC550C 47N 47N 4007 100N 4007 1M 2K2 50V 22U 1K5 22N 400V 50V 22U 50V 22U YEL Val 15A 500K YEL RED 15A 500K 15A 20K 22U 50V 450V 82U 63V 10U 220P Val 15A 500K 1B 100K RED 22U 50V RELAY 2C 1B 100K Val Val 50V 15A 20K 1U 15K 470P 1K5 4N7 47K 2N2 4N7 470K 249K 33K 47K 1N 1N 330N 470N 2N2 1N5 220K 220K 270K 5 5 2 5 1 5 v14 00 3 5 4 X8004 v14 00 YCV50BLUE YCV40 M581 v14 00 YCV40 4 v14 0...

Page 12: ...R78 18K 15K 4830 PC7649 CHANGE P12 22K 4517 TO 10K 4520 NO1 NC1 NO2 NC2 COM1 COM2 3700_DRW 5 2 6 3 4 1 DATE MODEL S VER DESCRIPTION OF CHANGE D D V V N N D D D D V V V V N N N N X8004 DRILL HISTORY YCV40 YCV50BLUE 4 1 6 5 3 2 MODEL S PC PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY PENDING CHANGE X X PC PC PC PC PC PC X X X X X8004 PENDING CHANGES YCV40 YCV50BLUE FUNCTION KNOB REF MODEL S PART AS O...

Page 13: ...E LAYOUT DOCUMENTATION PRODUCTION NOTES 1 RTV MUST BE ADDED TO THE FOLLOWING CAPS C1 C16 C19 C17 C70 BETWEEN C84 C28 C60 C15 BETWEEN C49 C50 ADDED TO C15 C7 C8 C3 C9 C56 C14 C6 C10 C4 C2 AND C12 5 BIAS 350mV ACROSS R91 AND 350mV ACROSS R92 Lots of goop on the thermistor Z352 3796 on this device only 2 of 3850 2 of 8701 2 of 8832 Z352 MTG 7 PCBSA BREAK OUT BOARD BEFORE TESTING ...

Page 14: ...1 2 4 6 7 5 8 9 17 3 11 13 16 12 15 14 10 18 19 ...

Page 15: ...ice 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 ...

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Page 17: ...ards 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: ... T A L _ B A C K J B 1 I N P U T E Y E 8 Y E L L O W E Y E 7 B L A C K T O _ E Y 7 T O _ E Y 8 E Y 2 R E D F E Y 4 B L K F R E D J B 5 O U T P U T J B 6 E X T E N S I O N W C 1 4 W C 1 5 G R N B L K T O E Y 5 T O E Y E 6 T R A N S F O R M E R T R A N S F O R M E R T O O U T P U T T O O U T P U T Y C V 5 0C E E X P OR T AC W IR IN G 1324E 1324M G R A Y G R E E N G R E E N G R A Y W H IT E B L U E B...