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SERVICE MANUAL
WEB ACCESS: http://www.yorkville.com
Traynor Custom Valve 20
YCV20 - Series 2
TYPE: YS1006
WORLD HEADQUARTERS CANADA Yorkville Sound
550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746
U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-ycv20-Series-II-00-1v9.pdf
IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE.
INSTRUCTIONS RELATIVES AU RISQUE DE FEU, CHOC ÉLECTRIQUE, OU BLESSURES AUX PERSONNES
AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, N'ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE)
CAUTION:
AVIS:
NE CONTIENT AUCUNE PIECE REPARABLE PAR L'UTILISATEUR.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
Read Instructions
The Owner's Manualshould be read and understood before operation of your unit. Please, save these instructions for future reference.
CONSULTEZ UN TECHNICIEN QUALIFIE POUR L'ENTRETIENT
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 consultations ultérieures.
Packaging Warning
Keep the box and packaging materials, in case the unit needs to be returned for service. When using electric products, basic precautions should always be followed, including the following:
Emballage Attention:
Conservez la boite au cas ou l'appareil devait être retourner pour réparation. Lors de l'utilisation de produits électrique, assurezvous d'adhérer à des précautions de bases incluant celle qui suivent:
Power Sources
Your unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated.
Alimentation
Hazards
Do not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturer's instructions when installing the product and use mounting accessories recommended by the manufacturer. The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus. Terminals marked with the "lightning bolt" are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made leads or cords. Ensure that proper ventilation is provided around the appliance. No naked flame sources, such as lighted candles, should be placed on the apparatus.
L'appareil ne doit être branché qu'à une source d'alimentation correspondant au voltage spécifié dans le manuel ou tel qu'indiqué sur l'appareil. Cet appareil est équipé d'une prise d'alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu'il soit possible d'insérer complètement les trois lames. Des précautions doivent êtres prises afin d'eviter que le système de mise à la terre de l'appareil ne soit désengagé.
Risque
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. L'appareil pourrait tomber et blesser quelqu'un ou subir des dommages importants. Utiliser seulement un chariot, un support, un trépied ou une table recommandés par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer l'appareil et utiliser les accessoires recommandés par le fabricant. Il convient de ne pas placer sur l'appareil de sources de flammes nues, telles que des bougies allumées. L'appeil ne doit pas être exposé à des égouttements d'eau ou des éclaboussures et qu'aucun objet rempli de liquide tel que des vases ne doit être placé sur l'appareil. Assurez que lappareil est fourni de la propre ventilation. 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 par un opérateur formé ou en utilisant des cordons déjà préparés.
Power Cord Service
The AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT. The unit should be serviced only by qualified service personnel.
Cordon d'Alimentation Service
safety-4v3.eps · Oct. 26/05
Évitez d'endommager le cordon d'alimentation. N'UTILISEZ PAS L'APPAREIL si le cordon d'alimentation est endommagé. Consultez un technicien qualifié pour l'entretien de votre appareil.
#
1 2
Part#
8260 7079 8461 Z354 8456 TFS-2B 3428 3537 3890 8770 8504 8521 6397 8430 8633 3921 3438 3698 3450 & 3450NUT 3436/8661 3923 7025A OR 7025B 6BQ5 7078 3552
Description
TRAYNOR LOGO 12" 8R 50WPGM SPEAKER CELESTIO TRIM CLIP (PLATED BLK ZINC) YCV20 GRILLE* ( cuurent model only) 10.0" STRAP HANDLE, NICKEL COVERS TRAYNOR DUAL FOOTSWCH 10' CORD AC LINE CORD - #3474(EURO) ACC# 4EB3C1B LONG REVERB 36" PREFAB. CABLE (RED/BLACK) 1/4-20 X 1 5/16 TRUSS PH MS JS5 CORNER, 2 LEGS NOTCED LIP NICKEL PLATED RUBBER BUMPER WITH WASHER VERYS JEWELED PILOT LAMP AMBER REG CHICKEN-BEAK KNOB ROUND PUSH BUTTON 1/4" BLACK 1/4" JCK PCB MT VERT STER RT SWT 230 AC RECEPTACLE FUSE & 250 T SPST ROKR SW QUIK 180" AC PWR B 1/4" ALL GOLD PC MNT JK SKT DPDT PUSH SW B4 MAKE/BUTTON KNOB GREY XLR MALE PCB MT HORZ MTHOLE-V SNAP 12AX7 DUAL TRIODE PREAMP TUBE 6BQ5 PENTODE OUTPUT TUBE (WINE) 12" 8R 25WPGM SPEAKER CELESTION NYLON SPRING CLAMP
Labeled Components
Series 2 (incl. WR version) 1 2
3 4 5 6 7 8 9 10 11 12
3 4
13 14 15
5
16 17 18 19 20
6 7 8/9
21 22 23 24 25
10
11
22/23
TUBES
24
Wine Red Version Speaker
12
13
14
15
16
17
18
19
20
21
*NOTE: Replacement grilles are 'Special-Order' and are only available while the model is in production. Grilles & support replacements are for CURRENT models only
Parts-Serv-YCV20-Series2-1v0.xls
ftp.yorkville.com
Speaker Enclosure
B l o c k D i a g r a m f o r YCV20 II
DESIGNED AND MANUFACTURED BY YORKVILLE SOUND
TYPE: YS1006
Bright Mono 1/4-inch Ch 2 Gain Preamp V1:A Channel Select Preamp V2:B
EQ Treble/Bass/Mid
Ch 2 Volume
Channel Select
Pre-Amp Out
0 dB
Input
Ch 1 Volume
Boost Preamp V1:B Preamp V2:A Amp In
Ch 1 Gain
D.I. Out
+
Accutronics © Send 4EBC1B Rtn
Reverb Splitter V3:A
Power Amp V4:A V5:A
Grn
+ Blk
Headphones
PREAMP 12AX7 12AX7 SPLITTER 12AX7
12-inch Speaker YS#7079 8-ohms
V2
POWER
V1
POWER
100R 5W
External Speaker Out
V3
Internal Spkr Defeat
6BQ5
Channel Select Boost
V4
6BQ5
V5
DISCONNECT POWER WHEN REPLACING TUBES DÉBRANCHÉ L'APPAREIL AVANT DE REMPLACER LES LAMPES
+
Footswitch
BLOCK-DIAG-ycv20-Series-II-1v30.ai
YCV20 - Series 2
YS No. 6397 5906 6398 6399 5907 5908 6825 6438 6461 6475 6871 6872 5102 5103 5104 6730 6882 5199 5197 5201 5206 5208 5275 5209 6451 5272 5204 5834 5210 5840 6435 5306 5224 5226 5212 5314 5865 5882 5233 5629 5631 5958 5618 TFS-2B 4423 4424 4425 713 3976 8461 8521 3478 3489 3494 3601 3682 3498 3528 3921 3890 3914 3923 3451 2471 8456 8604 8889 3438 3552 3810 8430 8504 8633 8661 3428 8260 8910 8900 3674 8800 8890 3796 3850 4597 4599 2037 4896 Description JEWELED PILOT LAMP AMBER REG V1 RED 3MM LED 1V9 20MA .4SPCER T&R RED 5MM LED 1V5 20MA HIGH EFF YEL 5MM LED 1V5 20MA HIGH EFF YEL 3MM LED 1V9 20MA .4SPCER T&R GRN 3MM LED 1V9 20MA .4SPCER T&R 1N4148 75V 0A45 DIODE T&R 1N4007 400V 1A0 DIODE T&R 1N5240BRL 10V0 0W5 ZENER 5% T&R 1N5262B 51V0 0W5 ZENER 5% T&R MC7915CT TO220 N 15V0 REG V2 MC7815CT TO220 P 15V0 REG V1 BC560C TO92 PNP TRANSISTOR T&R TB MPSA06 TO92 NPN TRANSISTOR T&R TA MPSA56 TO92 PNP TRAN T&R TA IRF830 TO220 NCH MFET TN TL072CP IC FET DUAL OP AMP 100P 100V 2%CAP T&R RAD CER.2"NPO 220P 100V 2%CAP T&R RAD CER.2"NPO 470P 100V 5%CAP T&R RAD CER.2"NPO __1N 400V 5%CAP T&R RAD .2"FLM __2N2 400V 5%CAP T&R RAD .2"FLM __3N3 100V 5%CAP T&R RAD .2"FLM __4N7 250V 5%CAP T&R RAD .2"FLM __4N7 250V 20%CAP BLK 'Y' 10MM AC __6N8 100V 5%CAP T&R RAD .2"FLM _10N 100V 10%CAP T&R RAD .2"FLM _10N 250V 20%CAP BLK RAD POLY FLM _22N 100V 10%CAP T&R RAD .2"FLM _22N 400V 10%CAP BLK RAD POLY FLM _22N 275V 20%CAP BLK 'X2' 15MM AC _33N 50V 10%CAP T&R BEAD X7R _47N 100V 10%CAP T&R RAD .2"FLM _68N 100V 5%CAP T&R RAD .2"FLM 100N 63V 5%CAP T&R RAD .2"FLM 100N 50V 10%CAP T&R BEAD X7R 100N 250V 10%CAP BLK RAD POLY FLM 220N 250V 10%CAP BLK RAD POLY FLM 330N 63V 5%CAP T&R RAD .2"FLM _10U 160V 20%CAP BLK 10X13MM EL _22U 50V 20%CAP T&R 6X7MM .2"EL _22U 350V 20%CAP BLK 13X25 EL 470U 25V 20%CAP BLK 10X15MM EL TRAYNOR DUAL FOOTSWCH 10' CORD-BULK _20K 15AAUDIO 9MM P32 100K 1B LIN 9MM P32 500K 15AAUDIO 9MM P32 25 X 20 X 50 2 MIL PLASTIC BAG SNAP ON 0.843" INSULATING BUSHING TRIM CLIP (PLATED BLK ZINC) RUBBER BUMPER WITH WASHER VERYSMALL CLIP 205/187X032 18-22AWG DISCO/INS CLIP 250X032 18-22AWG DISCO/INSL CLIP 205/187X020 14-16AWG DISCO/INS RING TERMINAL 16AWG WIRE & #8 SCREW 250 MALE PCB TAB REEL 1/4" JCK PCB MT HORZ 1/4" JCK PCB MT HORZ GOLD TR_ 1/4" JCK PCB MT VERT STER RT SWT 36"90'RCA DUAL RED-WHITE PREFAB CBL RCA SNGL PCB MT HORZ XLR MALE PCB MT HORZ MTHOLE-V SNAP EYELET SMALL 0.089 OD PLATED T1A 5X20MM FUSE 10.0" STRAP HANDLE, NICKEL COVERS 10-32 T NUT RUBBER GROMMET #2183-034-BLK IEC PWR SOC W/.205TAB &FUSE 10A250V NYLON SPRING CLAMP 4" NYLON CABLE TIE YCV40 CHICKEN-BEAK KNOB CORNER, 2 LEGS NOTCED LIP NICKEL ROUND PUSH BUTTON 1/4" BLACK BUTTON KNOB FLAT GREY 8' 3/18 SJT AC LINE CORD REMOVABLE YCV40 LOGO EMBOSSED ALUMINUM YORKVILLE PRODUCT MANUAL YORKVILLE WARRANTY CARD 2-YR UNLTD. 9 CIR CABLE HOLDER .098 6-32 KEPS NUT ZINC 1/4-20 CAGE NUT C79-88142027 ELASTOMER PAD TSIL 1.0X0.8 TO-220 PLASTIC TRANSISTOR INSULATOR 22AWG STRAN TC WIR JMP 22AWG SOLID SC WIR T&R JMP 1/4W 10R FUSIBLE T&R RES 1/4W 15R 5% T&R RES Qty. 1 1 1 1 1 1 6 9 1 3 1 1 2 3 1 1 2 1 3 3 2 4 1 2 1 1 1 1 1 2 1 1 2 1 10 3 1 1 2 1 9 6 4 1 1 2 5 1 2 4 4 5 2 2 2 16 2 3 1 1 2 1 13 1 1 6 7 1 2 6 8 8 4 1 1 1 1 1 4 5 4 3 3 2 55 2 1 Description 1/2W 18R 5% T&R RES 1/4W 47R 5% T&R RES 1/4W 75R 5% T&R RES 1/4W 101R0 FUSIBLE T&R RES 5.0W 100R 5% BLK RES 1/4W 100R 5% T&R RES 1.0W 220R 5%FLAME PROOF T&R RES 1/4W 220R 5% T&R RES 1.0W 470R 5% T&R RES 1/4W 470R 5% T&R RES 1/4W 470R 5%MINI T&R RES 1/4W 562R 1% T&R RES 1/4W 620R 5% T&R RES 1/2W 680R 5% T&R RES 1/4W 820R 5% T&R RES 1/2W 1K 5% T&R RES 1.0W 1K 5% T&R RES 1/4W 1K54 1% T&T RES 1/2W 2K2 5% T&R RES 1/4W 2K2 5% T&R RES 1/4W 2K21 1%FLAME PROOF T&R RES 1/4W 4K7 5% T&R RES 1/4W 4K7 5%MINI T&R RES 1/4W 6K8 5% T&R RES 1/4W 10K0 1% T&R RES 1/4W 10K 5% T&R RES 1.0W 10K0 5% T&R 1/4W 18K 5% T&R RES 1/4W 33K 5% T&R RES 1/4W 47K 5% T&R RES 1/4W 62K 5% T&R RES 1/4W 82K 5% T&R RES 1/4W 100K 5% T&R RES 1/4W 113K 1% T&R RES 1/4W 220K 5% T&R RES 1/4W 470K 5% T&R RES 1/4W 680K 5% T&R RES 1/4W 1M 5% T&R RES 10" 9C-26AWG RIB 3/4" NOTCH 0.1" RELAY 1C 02AMP DC24 006MA PC-S RELAY 2C 01AMP DC24 015MA PC-S ACC# 4EB3C1B LONG REVERB 4-40 X 5/16 PAN PH MS JS500 6-32 X 1/4 PAN PH TAPTITE JS500 6-32 X 3/8 PAN PH TAPTITE JS500 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 6-32 X 1/2 ROUND PH MS JS500 #6 X 5/8 PAN PHIL TYPE A ZINC CLEAR 8-32 X 5/16 PAN QUAD TAPTITE JS500 #8 X 1" PAN QUAD TYPE AB B/O 10-32 X 1/4 PAN PH TAPTITE JS500 #10 X 1/2 PAN PH TYPE A ZINC #10 X 3/4 PAN PH TYPE A BLACK OXIDE 10-32 X 1 1/8 FLAT PH MS JS500 10-32 X 1 1/4 PAN QD MS JS500 BLACK #10 X 1 1/2 PAN PH TYPE A JS500 1/4-20 X 1 5/16 TRUSS PH MS JS500 YORKVILLE PRODUCT SCHEMATIC .5 SPACER ID-.171 OD-.25 #912-500 1/2 PLASTIC HEX SPACER #6 3/4 PLASTIC HEX SPACER #4 12" 8R 50WPGM SPEAKER CELESTION 3/8 1D FLAT WASHER 3/8 INT TOOTH LOCKWASHE ZINC #10 SPLIT LOCK WASHER BO #8 FLAT WASHER JS500 #10 FLAT WASHER FOR 3/16" BOLT DPDT PUSH SW PCMT H BREAK B4 MAKE DPDT MINI PC VERT SNP ALT SPST ROKR SW QUIK 180" AC PWR BL/BL 9 PIN PC MOUNT TUBE SOCKET BE 9 PIN PC MOUNT TUBE SOCKET 12AX7 DUAL TRIODE PREAMP TUBE 6BQ5 PENTODE OUTPUT TUBE 1330 YCV20 POWER 120VAC 60HZ XFMR 1330M YCV20 OUTPUT XFMR YS No. 4612 4817 4912 2044 4692 4852 2022 4857 4713 4821 4980 4799 4891 4673 4822 4623 4913 4791 4647 4847 2035 4827 4982 4828 4800 4829 5031 4831 4840 4834 4848 4837 4838 4776 4841 4843 4880 4844 3610 3696 3700 3537 8865 8832 8801 8829 8837 8757 8824 8722 8809 8750 8756 8843 8786 8862 8770 8905 3741 3865 3858 7079 8482 8488 8491 8820 8817 3436 3522 3698 3732 3983 Qty. 3 4 1 2 2 2 3 1 1 3 1 2 2 2 2 2 1 4 1 1 1 2 1 1 2 13 2 1 1 3 1 1 7 4 7 5 1 7 2 2 1 1 14 9 2 11 3 2 2 4 25 16 10 2 4 4 4 1 4 9 7 1 1 1 6 4 8 1 4 1 2 3 3 2 1 1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
+15V
O
P
Q
C17 1N
1
400V 100K 1B 4424
K1:C 50V
1
FUNCTION J1 1/4W
+150V
1/4W
1/4W
R5 113K C2 10N 12AX7 V1:A R13 1/4W 220K 470P C18 100V
RING
470P C58 100V
R7 113K C3 100N 250V
1/2W
BRIGHT S1:A 3522
BRIGHT S1:B 3522
+150V_RAW
C65 22U
R8 33K
P1:A M TREBLE
K3:B
R96 1/2W 2K2
R35 1K T R S .
2
GND
C15 100N
100V 500K 15A 4425 P2:A M BASS
1/4W
1/4W
93Vdc
. . YEL W31 YEL W32 IN C61 100N 50V . BLK W34 INGND 1/4W . BLK W33 IN R12 1/4W 2K21
FLMP
2
12AX7 V2:B
Mini
R95 1/4W 470R
1.0W
250V
MINI
89Vdc
500K 15A R27 4425 1/4W P6:A 100K CLN VOL M
K3:A R31 1K 4148 D3
D2
4148 R36 47R R37 100R
FT SW J3
Gold Gold
3696 1/4W
0.7Vdc
1/4W R3 1M 22U C1 50V R4 1K54
1/4W
1/4W
1/4W
P4:A M CLN DRV
R18 1M
R6 1K54
3
22U C9 50V
20K 15A 4423 P3:A M MID
1/4W
TO92
1/4W
R14 220K
500K 15A 4425
33N C39 50V
0.7Vdc
C16 47N
4148 D1 22U 22U R19 100R
100V 500K 15A 4425 P7:A OD VOL M
C63 50V C64 50V
R28 1/4W 100K
6K8 1/4W R40 CLN LD1 GRN 5908
MPSA06 Q6 5103
C21 100N 100V 100N BC560C C19 Q5 100V 5102 R38 1/4W TO92 10K R39 10K
R41 4K7
MINI
OD LD2 YEL 5907 CH SEL S2:B 3522
CH SEL S2:A 3522
3
. GRN W22 CHGND
INGND
GND
K2:B
NET00037 +150V
K1:A 2N2 C7 400V
K1:B 3N3 C10 100V R23 113K
1/4W
R2 1M C23 220P R48 1/4W 100K
R30 1/4W 470K 22N C24 100V 100V 4148 D4 C22 100N R49 1/4W 620R 50V C26 22U MPSA06 Q7 5103 TO92 100N C20 100V
1/2W
R47 1K
1/4W
93Vdc
C4 6N8 100V R10 1/4W 220K R11 1/4W 220K 4N7 C5 250V 1/4W 1/4W R15 1M
1/4W
R16 113K C8 2N2 12AX7 V1:B 1/4W R89 220K K2:A 500K 15A 4425 1/4W R20 100K 3696 2N2 C14 400V 1/4W
400V
83Vdc
R26 1/4W 47K
C11 2N2 12AX7 V2:A
400V C12 1N
TL072CP
100V
BC560C
1/4W
4
1/4W
R46 75R
R42 220R
4
5
0.7Vdc
R17 1K54 330N C6 63V
0.8Vdc
1/4W R21 1M R22 1K54 330N C13 63V
R24 1/4W 220K R25 220K
GND
R29 1/4W 47R
1/4W
R45 10K
1/4W
R9 1/4W 100K
400V
U1:A
Q8 R44 5102 1/4W TO92 10K
R43 4K7
BOOST LD3 RED 5906 BOOST S3:A 3522
BOOST S3:B 3522 R50 1/4W 620R 22U C25 50V
5
1/4W
P5:A M OD DRV
-15V
+15V GND
6
NET00050
J9
R100 10K0 . 1/4W
GND
R34 1/4W 10K 470P C59 100V 100K 1B 4424 P8:A REVERB M C29 220P
6
R101 10K0 . 1/4W
100N C54 100V
100N C57 100V
100V
1/4W
1/4W
NODE VOLTAGE TEST CONDITIONS
J2
7
3923
-15V
R53 1/4W 4K7
+15V
T -
R -
S -
PRE OUT J4
V+
S
R
T 1/2W
3436 S6:B 1/2W R98 680R R97 680R 5.0W
R103 562R
R102 562R
TL072CP
GND
LINE VOLTAGE: 120Vac OUTPUT LOAD: 8 OHMS NO INPUT SIGNAL APPLIED
U1:C U1:B V-
R52 1/4W 10K R51 1/4W 10K
C27 22U C28 22U
NET00057
8
50V
R33 1/4W 47K R32 1/4W 47K
7
R99 100R . S6:A 3436 W30 BLU JACKS+ W16 . BLU SPKR+ W20 . BLK W15 . BLK W29 . BLK
50V
W14 BLU JACKS+
-15V
.
SPKR- JACKS-JACKS3682 BLK SPKRW18 R66 220K 100N C33 100V 1/4W R62 4K7 REV RTN
GND
R54 1/4W 4K7 C30 220P 100V
4
8
3682 GRN
SPKR+ W17
100N C31 100V MPSA06 Q9 5103
T
R
S .
AMP IN J5
Gold Gold
. GRN W24 CHGND
8
J8
S
R
T
1/4W
GND +15V
9
250V 1/4W R79 82K X46
22N C44 400V R76 1/4W 820R R74 470K R73 5.0W 100R R75 470K R77 1/4W 820R 22N C45 400V
V4:A 6BQ5
1/4W
PL2
J6 5 BLU 1330M TL072CP 1/4W 2 R63 1/4W 220K C34 100P 100V R88 100K 6541
J7 6541
R56 47R MPSA56
TL072CP
V-
BC550C
MPSA06 MPSA56
V+
103Vdc
C46 4N7 12AX7 V3:A
3682 BLU
PLATE W1
REV DRV
1/4W
IRF830
270Vdc
U2:B
TO92 R55 47R R57 1/4W 470R
U2:A U2:C
8
D6 4148
4148 D5
9
1.0W
1/4W
1/4W
R81 1M R80 1/4W 470R
+150V_RAW
R84 220R
FLMP
1/4W
C B E TO-92
10
EBC TO-92
SCRN
G D S TO-220
3682 RED
W3 HI V RED 4 PLATE T2
GRN
Q10 5104 TO92
-15V
R59 1/4W 10K C32 10N 100V
4
R60 1/4W 10K
1.0W
R83 1/4W 10K 1/4W
GND
8.0Vdc
X39 V5:A 6BQ5 R85 220R
FLMP
1/4W
1/4W
BLK 3 BRN 3682 BRN PLATE W2
PL1
1/4W
R78 100K
1
R64 18K 1/4W R65 2K2
.
GND
C47 100N
100V
V3:B 12AX7
Product Sheet1
270Vdc
YCV20
PCB# M647 Sheet 1 of 3
11 O P Q
11
3700_DRW
A B
3696_DRW
C
TL072C
D
"STYLE_P32"
E F G
103Vdc
Rev: 7V00 Date: Mon Sep 11, 2006 Filename: M647-7V00sch.sch2002
H I J K L M N
1/4W
R82 1M
150N C35 63V
R58 4R7
R61 100K
10
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
1
1
+15V
STANDBY S4:A 3522 R91 470R 3682 RED HI V W4 3682 RED
STANDBY S4:B 3522 D7 4007 D8 HI V4007 W5 D9 4007 D10 4007
HI2
100V
47N C62
272Vdc
PLATE SCRN
1.0W
2
283Vdc
D 22U C36 350V 22U C37 350V 22U C38 350V 4007 D15 C40 220N 250V U4 MC7815CT IN OUT Function
GND
IRF830 S Q11 6730 TO220 .
R69 1/4W 10R
FLMP
R70 1/4W 10R
FLMP
R71 1.0W 220R
FLMP
212Vdc
R90 1.0W 10K0
R72 1.0W 10K0
+150V_RAW
154Vdc
1N5262B D19 51V0 0W5 1N5262B D18 51V0 0W5 1N5262B D17 51V0 0W5
R94 1/4W 10K
+150V
160V
C60 10U
GND
2
G
3
HI1
STBY LD4 YEL 6399 OPERATE LD5 RED 6398
D16 10V0 1/4W 1/4W R67 680K R68 470R
0W5 1N5240BRL 22U C41 350V 22U C42 350V
22U C43 350V
3
+15V
GND
3682 GRY
LO V W6 D11 4007 D12 4007 D13 4007 D14 4007
LV1
470U C48 25V
470U 6872 C49 25V
R86 1/2W +15Vdc18R 100N C52 50V
GND
NET00077
TO220
V1:C
4
LV2
FUSE F1 T1AL For Euro - T400mAL IEC_RECT
5
SCH_SPDT
7 3682 LINE W12
PR1
470U C50 25V
470U C51 25V 6871
GND IN
TO220
100N C53 50V R87 1/2W 18R
-15V
NET00065
4
3682 120V BLK 8 W13 BLK
RED
S5
Function OUT MC7915CT U3
V2:C
NET00048
RED 6 22N C55 275V T1 . 1330 5 3682 GRY GRY 4 YEL 3682 WHT LINE W10 GRY 3682 120V W11 BLK
PR2
-15Vdc
R1 1/2W 18R 1/8W
FLMP
5
1/8W
LO V W7 3682 YEL
V3:C
C.T. W19
R92 100R0
R93 100R0
FLMP
3
3682 GRN
FIL W8
3.2Vac
6
6
9
4N7 C56 250V
GND
2 HTR2 GRN 3682 FIL GRN W9 GRN 1 V4:B V5:B
. GRN W23 CHGND
3.2Vac
7
MODEL(S):FUSE F1 8 T400mAL SCH_DPDT IEC_RECT BLK RED 6 T1 1330E S5 5 GRY 4 YEL GRY BLK 9 3 2 GRN GRN 1 7 RED
8
9
CE AC Ribbon cables
10
11
W25:A W25:B W25:C W25:D W25:E W25:F W25:H W25:G W25:I
+150V_RAW GND -15V NET00095 GND +15V NET00092 NET00066 GND
W26:A W26:B W26:C W26:D W26:E W26:F W26:H W26:G W26:I
W38:A W38:B W38:C W38:D W38:E W38:F W38:G W38:H W38:I
GND NET00082 NET00103 NET00099 NET00080 NET00098 GND NET00093 NET00087
W39:A W39:B W39:C W39:D W39:E W39:F W39:G W39:H W39:I
# 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13
E
DATE FEB, 2003 19 Feb, 2003 21 Feb, 2003 . Apr 07, 2003 . May, 12, 2003 16-DEC-2003 16-DEC-2003 5-JAN-2004 06-OCT-2004 . . 12-OCT-2005 23-MAY-2006 . D D D D D D D D D D D D D D D D D D D D D D D
F
M647 M647 POT LIST YCV20 YCV20 MODEL(S):REF FUNCTION PART# KNOB VER# DESCRIPTION OF CHANGE #8430 #4424 TREBLE P1 V1.00 FIRST PRODUCTION #8430 #4425 BASS P2 V1.03 Force updated r70,r72 to fix hole size. #8430 #4423 MID P3 V2.00 Fixed hole size on tube socket - added clinch hole #8430 GAIN 2 (CLN) #4425 P4 . Updated targets #8430 #4425 GAIN 1 (OD DRV) V3.00 PC#6597 R31 2k2 1/2W to 1K 1W. Add C64,C65,R95,R96, P5 #8430 #4425 VOL 2 (CLN) P6 . D2 #8430 #4425 VOL (OD) P7 4.00 Fix shorts in Ver 3.00 #8430 #4424 REVERB 5.00 Added headphones, DI out, ext. spkr jack and spkr defeat P8 K P F R Connected jacks -ve to speaker -ve, reduced headphone gain 5.00 K P F R 5.00 Shifted footswitch jack by 200mil K P F 5.10 PC#6716 CHANGE R66&R63 TO 220K (4841), R58 TO 4R7 R K P F . (4866), R54&R53 TO 4K7 (4827), C35 TO 150N (5229), R88 R . TO 100K (4838) [GT] AH, PC#6937, CHANGE TUBE SOCKET DRILLING 6.00 PC#7125:GT:#3914 RCA JACK ->#6541, PC#7091: ENLARGE 7.00 HOLES FOR #3522 DPDT SWITCH, UPDATED RELAYS . N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V
G H I J K
7
{NEW}
MAR 2003 "" "" "" "" "" "" "" N N N N
8
9
10
Product
YCV20
PCB# M647 Sheet 2 of 3
11 O P Q
PowerSupply
Rev: 7V00 Date: Mon Sep 11, 2006 Filename: M647-7V00sch.sch2002
L M N
A
B
C
D
SHEAR
SHEAR
Shear after auto-insert - 10"
D2 X55 Q5 MPSA06 100N 100N 10K 10K BC560C Q8 RED LD3
+
ETCH GUIDE
TJH4
R96 1K 1/2W 220R 4K7 X11 75R
2K2 1/2W R47 R42 D3 4148 R43 R46
100N C21
X13 BC560C
4148
X14
X12 MPSA06
X50
-
100N
X54
C20 C22
TJH3
R44
Q7
100K R48 R2 220P C23
X22
D4
22U 50V
K1
R45
4148 100R
R91 470R 1.0W
R86
INGND . BLK
TL072CP
4148
500K 4425
500K 4425 C2 C1
X8
500K 4425 C63 X32
NC
C64 P6
100K 4424 4K7 C17 X58
1B
R8
500K 4425
X43
RELAY 2C C
K3
NO
NC
NO
P8 100K 4424 X53 X47
20K
4423
STBY OPERATE
NCR CR NOR 7 TJH5
50V 22U
BOOST 5906 K2
OD
+
470R R95
5907
-
X52
C65 22U 50V YEL LD2
R41 4K7 R37 100R 1K 1/2W R35
R36 47R Q6 10K 10K C19 1.0W 1K
R39
LD1
+
R40 6K8 GRN R53 4K7
M647 1/5 YCV20 7V00
W39 R34 10K 3610 3674 W28
ETCH GUIDE
RED 6398 LD5
+ -
R38 R31
C24 22N 500K 4425
CLN 5908 U1
C29 220P
33K
C2 C1
X24
220K
1N
2N2
X33
470K
18R 1/2W X2
R22 X7 C18 470P
R30
NCL
NCR
NCL
NCR
X15
1K54
CL
CR
R89 R13 R14
X16 100K X3
R16
100N
X36
X42
R3
X9
R56
C3 470P C58
10N 5834 C2
33N C39
1N
2N2 R20 C7 C8 2N2
6N8 C4
12AX7
47R
470R
2K21
R88 R18 R6 C34 100P
100K 100N
1M R21
J1
IN
CHGND
R94
113K
C11 2N2
10K X34 MPSA06
GRN
INGND CHGND 100N C61
TIP TIP-SW
R26 X17
47K
12AX7
1M 1K54
C35 150N C33 220K
C57 100N 100N C54 TL072CP
100N
113K
. W31
47R
. W34
. W22
220K
C9 50V 22U
113K R7
3732
1K54
YEL BLK GRN
3732
C31
Q10 MPSA56
REV DRV
R24 220K
R25 220K
330N
R55
X41
R57
V1
C12
R4
X5
C1
X45
5865
IN W32
50V 22U
CL
CR
CL
CR
CL
WHT BOOST
NOL NOR
WHT CH SEL S2
NOL NOR
WHT C13 BRIGHT X6
NOL NOR
STANDBY
WHT
NOL
6541 RCA
4148 4148
D6 D5
SL EE VE
J4
. W24
R12
113K R23
10K 10N
2K2
1K54
220K
220K
18K
Q9
C6 330N
100K
1M
X51
4N7
C10 3N3
10K
4K7
6541 RCA
R32 R33
7
R50
-
Gold Gold
J5
J3
7
RING-SW
3921
47K
R64 R63
10U 160V
C60
R17
R15
R11
R61
R59
R9
SEE PRODUCTION NOTE #2
M6477V00
R62
M647 5/5 PLATE BLU PLATE BRN RED
R10
C5
W36 3674
X44
R60
X40
REV RTN
RING
X10
C32
X56
U2
620R
47K
W25
3610
R65
V2
R58 4R7
R5
100K
PRE OUT 22U 50V 10K 10K
Gold AMP IN
C26 22U 50V C28 50V 22U C25 W38 R51 R52 3610 22U 50V 620R R49 3674 W27 FT SW
X19
TJH2
W1
X21
R73
R76
3983
V5
6BQ5 R75 470K 820R R77 22N 400V C45
X39
5.0W 100R 18R 1/2W 3983 R1
3983
V4
SEE PRODUCTION NOTE #1
FIL
M6477V00 2/5
X29
C36 22U 350V
GRN
W8 FIL W9
GRN
C56 4N7 RT V 6451 250V
R93 100R0 R92
6BQ5
LINE W10 WHT
C27
W2
W5 RED 120V
100R0 4007
M6477V00
.
3/5
BLK W20 W15 JACKSBLK
XC93
820R
6730 IRF830 R69 . 470K
6871 MC7915CT TO220 R67 680K 470R 4007 C40 U3 250V 220N X30 X26 X25 U4
6872 MC7815CT TO220 C37 22U 350V C52
HI V HI V
W3
D9 D10 D8
W4
R81
C55 22N 275V 6435
W18
ETCH GUIDE
10R
X20
X37 220R 1.0W
X60
BLK 120V
R78 100K
X57
X38
22U 350V
R79 82K
51V0 D17 470U C51 25V
22U 350V
R70 10R
R84
W17
ORIGIN
INSERT
VCD ORIGIN
LONG AXIS
Top Assy M647 7V00
SEE LAYOUT DOCUMENTATION
OUT
CLINCH
Pcb MechM647 7V00 Top Assy M647 7V00
BUTTON
SPKR+
SHORT AXIS
220R 1.0W
10K0 1.0W
R72
3674 W37 51V0 D19
W19
470U 25V
25V 470U
25V 470U
GRN
R71
R90 10K0 1.0W
TJH1
LINE W12
51V0 D18
R101
D13
YEL C.T.
-
J2
IN CLICK
XC51
7
7
C47
4007
470R R80
C41
100N
10V0 D16
JACKS+ W30
R83
C43 22U 350V
3610 W26
CHGND C50
C38 C49
R82
C48
D11
GRY
W13
3923
HEADPHONES
4007
V3
X59
C42
X27
1
D14
10K0
R74
2
4007
-
Gold #3450
EXTERNAL SPKR J8
XC96
. BLK BLU
BLK JACKSW29
X46
C44 400V 22N 10K
Q11
R68
5882
100N C53
W6 W7 LO V LO V
1M
1M
D15
.
1.0W 220R
C46 4N7
100N
R85
D7 22U 350V D12
W23 . GRN
4007
4007
HI V SPKR-
12AX7
4007
5.0W R100 R103 R102 D.I. OUT 680R 1/2W 680R 1/2W R97 R98
SPKR-
RED
RT V
10K0 562R J9 562R
BLU W16 SPKR+
X28
4007
W11
M647 4/5 R99
100R
INT. SPKR. DEFEAT S6 3436
BLU JACKS+ W14
47N Gold Gold Gold
R28 100K
X1
R29 47R X18
P5 . YEL
R54
1M
X31
S3
P7
P4
S1
NCL NCR
1M
100K R27 R87 18R 1/2W
P1
X35
OD DRV
OD VOL
220K
CLN DRV
CLN VOL
TREBLE
X48
W33
47N
15A
15A
15A
15A
15A BASS
100N
220P C30
C14
RELAY 1C
X49
RELAY 1C
D1
NC NO
15A MID
1B REVERB
R19
+
P2
C15 C16
P3 220K R66
470P C59 S4
NCL
YEL LD4 6399 C62
G1 SIG J7 SIG J6 G2 G2 G1 G3 G3
M647 MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 DATE FEB, 2003 19 Feb, 2003 21 Feb, 2003 . Apr 07, 2003 . May, 12, 2003 16-DEC-2003 16-DEC-2003 5-JAN-2004 06-OCT-2004 . . 12-OCT-2005 23-MAY-2006 . D D D D D D D D D D D D D D D D D D D D D D D YCV20 VER# DESCRIPTION OF CHANGE V1.00 FIRST PRODUCTION V1.03 Force updated r70,r72 to fix hole size. V2.00 Fixed hole size on tube socket - added clinch hole . Updated targets V3.00 PC#6597 R31 2k2 1/2W to 1K 1W. Add C64,C65,R95,R96, D2 . Fix shorts in Ver 3.00 4.00 5.00 Added headphones, DI out, ext. spkr jack and spkr defeat 5.00 Connected jacks -ve to speaker -ve, reduced headphone gain 5.00 Shifted footswitch jack by 200mil 5.10 PC#6716 CHANGE R66&R63 TO 220K (4841), R58 TO 4R7 . (4866), R54&R53 TO 4K7 (4827), C35 TO 150N (5229), R88 . TO 100K (4838) [GT] 6.00 AH, PC#6937, CHANGE TUBE SOCKET DRILLING 7.00 PC#7125:GT:#3914 RCA JACK ->#6541, PC#7091: ENLARGE . HOLES FOR #3522 DPDT SWITCH, UPDATED RELAYS V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N V N
SEE LAYOUT DIAGRAM
M647 DRILL HISTORY MODEL(S):# 1 2 3 4 5 6 DATE MAY-23-2006 D D D D D YCV20 VER# DESCRIPTION OF CHANGE V07 PC#7125 AND #7091, SEE HISTORY TABLE V N V N V N V N V N M647 PENDING CHANGES YCV20 PENDING CHANGE X X X X X X
PRODUCTION NOTES
1. MOUNTING DETAILS FOR Q11, U3 AND U4
#8800 Z437 #3850 Devices #3796 #8837
MODEL(S):# 1 2 3 4 5 6 PC# PC PC PC PC PC PC
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY M647 POT LIST YCV20 MODEL(S):REF
P1 P2 P3 P4 P5 P6 P7 P8 R R R R
2.
LEADS FOR W25 RIBBON CABLE MUST BE BENT AWAY FROM PCB HOLE AND TRIMMED
RIBBON CABLE HOLE LEAD BENT AND TRIMMED
FUNCTION PART# KNOB
TREBLE BASS MID GAIN 2 (CLN) GAIN 1 (OD DRV) VOL 2 (CLN) VOL (OD) REVERB F F F F #4424 #4425 #4423 #4425 #4425 #4425 #4425 #4424 P P P P #8430 #8430 #8430 #8430 #8430 #8430 #8430 #8430 K K K K
{NEW}
MAR 2003 "" "" "" "" "" "" "" N N N N
"STYLE_P32"
LEAD/PIN REFERENCE IRF830 MPSA06 MPSA56 BC550C
H
4
H
5 6
1P
7
H 1G K 3 G3
4
H
5 6
NC
7
COM1 COM2
2K 3 2G 2
P
NC
NO
NC1 NO1
NC2 NO2
8 1K G1 2 1 9
8 NC 1 9 C2 C1
G D S TO-220
EBC TO-92
C B E TO-92
2P
HT
NC
G2
12AX7A
EL84
3696_DRW 3700_DRW
TL072C
THIS DIAGRAM APPLIES TO BOARDS THAT ARE VERSION 5.00 OR HIGHER
M647 YCV20 VER X.XX
YCV20 - JAN. 15, 2004
PREAMP BOARD
12AX7 PREAMP V1:A V1:B
CLEAN INPUT LEAD INPUT
12AX7 PREAMP V2:A V2:B
LEAD OUTPUT CLEAN OUTPUT
INPUT POWER SUPPLY & OUTPUT BOARD
FX LOOP & FOOTSW. BOARD
V5
6BQ5 OUTPUT -VE
V4 V3
12AX7 PHASE- SPLITTER 6BQ5 OUTPUT +VE
SPKR./HEADPHONE BOARD
*ALL BOARDS SHOWN FROM COMPONENT SIDE