YORKVILLE Custom Valve YCV80 Service Manual Download Page 6

Page: 6 / 16

Block Diagram for YCV80/YCV80Q

DESIGNED AND MANUFACTURED BY YORKVILLE SOUND

Mono 1/4-inch

Input

Footswitch

Channel Select

Boost

Preamp

Channel

Select

Boost

V1:A

Preamp

V2:B

0 dB

Preamp

Expander

V2:A

Splitter

Reverb

Drive

Ch. 1

Volume

Ch. 2

Volume

Channel

Select

Reverb

Rtn

Master

Volume

Power

Amp

Reverb

Accutronics ©

4EBC1B

Preamp

V1:B

Internal

Speaker Out

External

Speaker Out

12-inch Speakers

YS#7080

8-ohms

TUBE10

10-inch Speakers

YCV80 Speaker Configuration

YCV80Q Speaker Configuration

Pre-Amp

Out / Amp In

Scoop

Treble/Bass/Mid

D.I. Out

D.IHeadphone Out

Effects Return

Speaker

Emulator

Effects Send

MODEL TYPE: YS1034

BLOCK-DIAG-ycv80-1v40.ai

DISCONNECT POWER WHEN

REPLACING TUBES

DÉBRANCHÉ L’APPAREIL AVANT

DE REMPLACER LES LAMPES

5881

POWER

5881

PREAMP

12AX7

SPLITTER

12AX7

Summary of Contents for Custom Valve YCV80

Page 1: ...x 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 YCV80 YCV80Q Q U ALITY INNOVA T I O N ESTABLISHED 1963 TYPE YS1034 ...

Page 2: ...CTRIQUE 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 c...

Page 3: ...ET BE 3 5275 __3N3 100V 5 CAP T R RAD 2 FLM 3 4816 1 4W 33R 5 T R RES 1 3733 8 PIN PC MOUNT TUBE SOCKET 4 5209 __4N7 250V 5 CAP T R RAD 2 FLM 1 4817 1 4W 47R 5 T R RES 4 5881 6L6 TETRODE OUTPUT TUBE BULK 4 6451 __4N7 250V 20 CAP BLK Y 10MM AC 1 2019 1 8W 100R0 1 FLAME PROOF T R RES 2 12AX7B 12AX7 DUAL TRIODE PREAMP TUBE 3 5272 __6N8 100V 5 CAP T R RAD 2 FLM 1 4852 1 4W 100R 5 T R RES 1 1327 YCV80 ...

Page 4: ...921 1 4 JCK PCB MT VERT STER RT SWT 16 3663 SNAP IEC PWR SOC W 250TAB FOR 060 17 3698 SPST ROKR SW QUIK 180 AC PWR 18 3450 3450NUT 1 4 ALL GOLD PC MNT JK SKT 19 3482 LOWPROFILE FUSEHOLDER 1 4 BUSSMANN 20 8638 PUSH SW BUTTON GREY 21 3923 XLR MALE PCB MT HORZ MTHOLE V SNAP 22 3552 NYLON SPRING CLAMP 23 7025A OR 7025B 12AX7 DUAL TRIODE PREAMP TUBE 24 6L6B 6L6GB OUTPUT POWER TUBE 25 3428 8 3 18 SJT AC...

Page 5: ...1 4 JCK PCB MT VERT STER RT SWT 16 3663 SNAP IEC PWR SOC W 250TAB FOR 060 17 3698 SPST ROKR SW QUIK 180 AC PWR 18 3450 3450NUT 1 4 ALL GOLD PC MNT JK SKT 19 3482 LOWPROFILE FUSEHOLDER 1 4 BUSSMANN 20 8638 PUSH SW BUTTON GREY 21 3923 XLR MALE PCB MT HORZ MTHOLE V SNAP 22 3731 SPRING RETAINER FOR OUTPUT TUBE 23 7025A OR 7025B 12AX7 DUAL TRIODE PREAMP TUBE 24 6L6B 6L6GB OUTPUT POWER TUBE 25 3428 8 3 ...

Page 6: ... B V4 V5 V6 V7 Internal Speaker Out External Speaker Out 12 inch Speakers YS 7080 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms TUBE10 10 inch Speakers YCV80 Speaker Configuration YCV80Q Speaker Configuration Pre Amp Out Amp In Scoop Treble Bass Mid EQ Treble Bass Mid EQ D I Out D IHeadphone Out Effects Return Speaker Emulator Effects Send MODEL TYPE YS1034 BLOCK DIAG ycv80 1v40 ai DISCONNECT POWER WH...

Page 7: ... 500K GAIN 8 V 4 V U1 C 11 W26 K 12 9 W26 I 12 7 W26 G 12 5 W26 E 12 3 W26 C 12 C82 250V 4N7 C22 250V 47N C6 100V 470P C11 50V 470P SCREEN A2SENS A1SENS GND B2SENS C46 100V 22N R89 1 4W 24K 12 W26 L 12 10 W26 J 12 8 W26 H 12 3682 W9 GRY LO V 6 W26 F 12 4 W26 D 12 2 W26 B 12 1 W26 A 12 Function 3682 W7 GRY LO V 3682 W19 LINE BLK 3682 W20 FROM SWCH BLK 3682 W21 BLK LINE C16 400V 2N2 R23 1 4W 220K C1...

Page 8: ...ate WHT 470K Alternate 4148 100N 10K 2K 1 2W Alternate 10K BC560C Alternate WHT 2 0W 2K2 220R 47R 33U 16V 4K7 BC560C 10K 10K 22U 50V Alternate 249K 18R 1 2W 8K2 22K 47K 82K 100R 10N 10N 220N 33K 12K 15A 500K 470P RED 470R 47N 22U 50V 22U 50V 15A 500K 15A 20K MPSA06 15A 500K HER508 BLK 15A 20K RELAY 2C 470P GRN YEL 10K Body 12AX7 1 2W 18R Body 12AX7 Val 10V00 R114 C9 C13 R81 X11 X77 R24 R63 R16 R15...

Page 9: ...s out 0 075 Added Skrn outline to BE tube sockets 2001 08 13 1 00 Value changes to tweak sound Add C166 10N across R122 2001 09 20 2 00 Move C93 47P to be across R2 Add R160 10K from wiper to top of P13 Add R159 in series with Q20 output KNOB PART FUNCTION REF MODEL S NEW YCV80 POTLIST N N N N N N N N N N N K K P P F F R R BASS 4425 P2 P7 P12 EFF RETURN 4497 P11 EFF SEND 4497 P5 GAIN 4425 MID 4423...

Page 10: ...500K GAIN 8 V 4 V U1 C 11 W26 K 12 9 W26 I 12 7 W26 G 12 5 W26 E 12 3 W26 C 12 C82 250V 4N7 C22 250V 47N C6 100V 470P C11 50V 470P SCREEN A2SENS A1SENS GND B2SENS C46 100V 22N R89 1 4W 24K 12 W26 L 12 10 W26 J 12 8 W26 H 12 3682 W9 GRY LO V 6 W26 F 12 4 W26 D 12 2 W26 B 12 1 W26 A 12 Function 3682 W7 GRY LO V 3682 W19 LINE BLK 3682 W20 FROM SWCH BLK 3682 W21 BLK LINE C16 400V 2N2 R23 1 4W 220K C17...

Page 11: ... WHT 47K 470K Alternate 4148 100N 10K 2K 1 2W Alternate 10K BC560C Alternate WHT 2 0W 2K2 220R 47R 33U 16V 4K7 BC560C 10K 10K 22U 50V Alternate 249K 18R 1 2W 8K2 22K 47K 82K 100R 10N 10N 220N 27K 15A 500K 15K RED 2N2 470R 47N 22U 50V 22U 50V 15A 500K 15A 20K MPSA06 15A 500K HER508 BLK 15A 20K RELAY 2C 470P GRN YEL 10K Body 12AX7 1 2W 18R Body 12AX7 Val 10V00 R114 C13 C9 R81 X11 X77 R24 R63 R16 R15...

Page 12: ...2 SWITCH HOLES FROM 0 031 TO 0 040 V14 MAY 23 06 MAY 17 05 V13 SEE HISTORY TABLE FOR V9 00 YCV80Q 4 1 6 5 3 2 MODEL S PC PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY PENDING CHANGE X X X PC PC PC PC PC PC M602 PENDING CHANGES X X X YCV80Q 13 12 11 10 9 DESCRIPTION OF CHANGE 5 4 3 2 1 VER DATE MODEL S 8 7 6 JAN 17 02 3 00 YCV80Q 2 20 2 30 2001 10 17 NOV 30 2001 C66 220N 250V TO 10u 450V D25 D26 51V...

Page 13: ...E 6L6B OU T P U T T U B E 6L6B GREEN BLUE RED BR OWN BLACK GR EY GR EY RED RED GREEN GREEN BLACK WHITE F O U T P U T G R N BLK F Y E LLOW B L AC K R E D YCV80 AC WIR E S OCT 2001 May 2003 G R E Y G R E E N G R E E N R E D B LAC K From Pwr Sup 8 From Input Section 26 ...

Page 14: ... OU T P U T T U B E 6L6B GREEN BLUE RED BR OWN BLACK GR EY GR EY RED RED GREEN GREEN BLACK WHITE F O U T P U T G R N BLK F Y E LLOW B L AC K R E D YCV80 AC CE WIR E S OCT 2001 May 2003 G R E Y G R E E N G R E E N R E D B LAC K 1327E 240V From Pwr Sup 8 From Inp Section 26 ...

Page 15: ......

Page 16: ...e of diodes that have a weakness which surfaces after the unit has been run several times The symptoms described by customers will be blowing fuses or will not start up In either case it is likely that you have one of these bad diodes When you experience this condition we recommend that you replace all 4 rectifiers with industry standard part 1N4007 or you can order 4007 s from us as part 6438 We ...

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YORKVILLE Custom Valve YCV80, Service Manual

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