YORKVILLE Custom Valve YCV50, Service Manual

Page 1: ...USA 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 YCV50 TYPE YS1003 ...

Page 2: ...a propre ventilation Ne procédez pas à l installation près de source de chaleur tels que radiateurs registre de chaleur fours ou autres appareils incluant les amplificateurs qui produisent de la chaleur Les dispositifs marqués d une symbole d éclair sont des parties dangereuses au toucher et que les câblages extérieurs connectés à ces dispositifs de connection extérieure doivent être effectivés pa...

Page 3: ...IBRE SEND EFX LINE FOOTSWITCH RTN CH SELECT BOOST ON EXTENSION SPEAKER POWER Valve Custom Custom 50 TRAYNOR YCV50 DESIGNED MANUFACTURED BY YORKVILLE SOUND Toronto CANADA POWER EL34 V4 EL34 V5 PREAMP SPLITTER 12AX7 V3 12AX7 V2 12AX7 V1 DÉBRANCHÉ L APPAREIL AVANT DE REMPLACER LES LAMPES DISCONNECT POWER WHEN REPLACING TUBES THIS UNIT MUST BE GROUNDED CET APPAREIL DOIT ETRE MIS Á TERRE DISCONNECT POW...

Page 4: ...23 _20K 15AAUDIO 9MM P32 3 12AX7BLK 12AX7 DUAL TRIODE PREAMP TUBE 3 4424 100K 1B LIN 9MM P32 3 EL34BULK EL34 PENTODE OUTPUT TUBE 2 4425 500K 15AAUDIO 9MM P32 5 3731 TUBE RETAINER 2 4520 _10K TRIM POT 1 CH1324 XFMR YCV40 YCV50 1 6399 YEL 5MM LED 1V5 20MA HIGH EFF 3 CH1324M XFMR OPT YCV40 YCV50 1 5907 YEL 3MM LED 1V9 20MA 4SPCER T R 1 5908 GRN 3MM LED 1V9 20MA 4SPCER T R 1 6825 1N4148 75V 0A45 DIODE...

Page 5: ...5273 1N5 200V 5 CAP T R RAD CER 2inNPO P11 4424 100K 1B LIN 9MM P32 R71 4829 1 4W 10K 5 T R RES C38 5621 470U 63V 20 CAP BLK 12X25MM EL P12 4520 _10K TRIM POT R72 4844 1 4W 1M 5 T R RES C39 5959 10U 450V 20 CAP BLK EL Q1 6731 7824 TO220 P 24V0 REG R73 4844 1 4W 1M 5 T R RES C40 5959 10U 450V 20 CAP BLK EL Q2 5103 MPSA06 TO92 NPN TRAN T R TA R74 4847 1 4W 2K2 5 T R RES C41 5959 10U 450V 20 CAP BLK ...

Page 6: ...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 7: ...KT 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 available whi...

Page 8: ... R20 1 4W 100K R22 1 4W 100K C71 100V 470P RAD CER 2in RING J1 INPUT C80 400V 1N RAD 2in R2 1 4W 1M W20 TO W25 RED R3 1 4W 1K5 3700 K2 B P6 A 4423 M 15A 20K MID P7 A 4425 M 15A 500K BASS P8 A 4424 M 1B 100K TREBLE P9 A 4425 M 15A 500K CLEAN VOLUME R79 1 4W 30K P2 A 4424 M 1B 100K TREBLE P3 A 4425 M 15A 500K BASS P4 A 4423 M 15A 20K MID R53 1 4W 33K YCV40 C18 200V 1N5 RAD CER 2in C22 100V 47N RAD 2...

Page 9: ...W 47R 4148 D17 4148 D16 R97 1 4W 10K C2 50V 22U R67 1 4W 10K C64 250V 4N7 RAD 2in 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 RAD 2in C8 16V 100U R60 1 4W 620R 400V C30 2N2 R68 1 4W 120K 8 V 4 V U1 C 63V C72 100N M 1B P11 A 4424 100K REVERB R63 1 4W 3K3 C66 100V 220P RAD CER 2in R119 1 4W 18K C63 100V 47P RAD CER 2in R59 1 4W 1...

Page 10: ... MINI 220K R87 1 4W 820R R91 2 0W 2R 3392 W18 XF BRN R89 1 0W FLMP 220R 3392 W17 XF BLU X613_ 1324M YCV40 7080 12 8R 80WPGM P10 A 4423 M 15A 20K 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 RAD 2in 3392 W19 Out_XF_CT RED R48 1 4W 10K C47 63V 100N RAD 2in X41 PENTODE Body V5 A Val OUTPUT These parts are stuffed ONLY on M613 YCV50BLUE TO J5 3392 W1...

Page 11: ...0U W40 to_V2 V3_PL ORN R101 1 4W 2K2 R102 1 4W 470R R103 1 4W 470K Body C41 450V 10U R88 1 0W Mini 1K RAD 2in C69 2U2 63V 3700 K2 C R83 1 8W FLMP 100R0 R26 1 2W 2K LD5 GRN 5908 CHNL2 R31 1 4W 10K TO92 BC550C Q6 5101 LD3 YEL 5907 CHNL1 S5 B 3522 UP Alternate DOWN CHANNEL SPST Switch S7 Power P12 4520 M Lin 10K Bias R73 1 4W 1M C44 63V 10U 4007 D5 R75 1 4W 36K R113 1 4W 36K W38 DC_FIL GRY 1 0W 100R ...

Page 12: ...0 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 8430 8430 8430 8430 8430 4425 4424 4425 4423 4425 4423 4425 4424 4425 4423 4424 DRIVE TREBLE BAS...

Page 13: ...470N 15A 20K 275V 22N 470P 18K 120K 50V 22U NE5532N 10K 220K 2 0W 470K RELAY 2C 100K 27K 1 2W 2K 15A 500K 47R 10K 2K2 113K 30K 100R0 4N7 250V 220K 2 0W 4007 4007 100K 113K 47K MPSA06 RED 2R 2 0W BC550C Alternate WHT 22U 50V 47N 47N 4007 100N 4007 1M 2K2 1K5 22N 400V 50V 22U 50V 22U YEL 50V 22U 15A 500K Val YEL 15A 500K 15A 20K U 220P V U 15A 500K 22U 50V 63V 10U Val 10U 450V 1B 100K RED 22U 50V RE...

Page 14: ... 4517 TO 10K 4520 17 OCT 2014 V15 Double sided removed eyelets and added radial tabs 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 FUNCTI...

Page 15: ...OW PROFILE PT 5879 SEE 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 PCB 2 of 8741 Z352 3796 on this device only 2 of 3850 2 of 8701 2 of 8832 to hold z352 in place Z352 MTG ...

Page 16: ...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 18: ...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 19: ... 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...