YORKVILLE Custom Valve YCV50 Service Schematics Download Page 8

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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:

Summary of Contents for Custom Valve YCV50

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: ...IQUE 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 ÉLECTRIQUE OU BLESSURES AUX PERSONNES Veuillez Lire le Manuel Il contient des informations qui devraient êtres comprises avant l opération de votre appareil Conservez S V P ces instructions pour cons...

Page 3: ...OLY FLM 3 4847 1 4W 2K2 5 T R RES 5 6435 _22N 275V 20 CAP BLK X2 15MM AC 1 4827 1 4W 4K7 5 T R RES 2 5224 _47N 100V 10 CAP T R RAD 2 FLM 4 4828 1 4W 6K8 5 T R RES 1 5841 _47N 250V 10 CAP RAD POLYFILM BULK 1 4663 1 2W 8K2 5 T R RES 2 5227 _82N 100V 5 CAP T R RAD 2 FLM 1 4829 1 4W 10K 5 T R RES 10 5228 100N 100V 5 CAP T R RAD 2 FLM 5 4983 1 4W 10K 5 MINI T R RES 1 5314 100N 50V 10 CAP T R BEAD X7R 1...

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: ... C 16V C8 100U 1 4W 470K R19 1 4W 100K R20 MPSA06 Q2 5103 TO92 M T P12 4520 10K BIAS 100N 100V C48 K2 C 4148 D2 1 4W 82K R43 PRE AMP V3 B 12AX7A 1 4W 2K2 R30 1 4W 100R R83 3700_DRW 1 4W 820R R86 1 4W MINI 220K R41 FLMP R91 1 0W 10R V5 A OUTPUT Val DOWN UP S5 B C3 50V 22U W17 3682 100N 100V C25 1 0W FLMP 220R R90 1 4W 100K R36 3682 W15 C6 50V 22U W14 3682 S T R J4 PRE AMP OUT S T R Gold PWR AMP IN ...

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Page 7: ...790 Increased route cutaway on preamp board R53 3K9 4850 R62 270K 4879 C19 100N 5865 DEC 02 2004 GT PC 6776 MOVED TOP MULTIPLE TO ADD ZIPPER MAR 04 2005 2 10 GT PC 6836 R78 27K 4833 18K7 5021 for bias GT PC 6865 STDBY FIX ADDED 4599 x 3 AND 5299 x 1 2 20 APR 26 2005 GT PC 6889 X61 4599 1K 4823 RESISTOR 3 00 MAY 27 2005 GT PC 6886 ADD 4520 TRIMPOT 10K R78 4876 16R AH Moved some parts Autoinsert nee...

Page 8: ...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 ...

Page 9: ......

Page 10: ...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 11: ... 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...

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