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U.S.A.
Yorkville Sound Inc.4625 Witmer Industrial Estate
Niagara Falls, New York14305 USA
Voice: (716) 297-2920Fax: (716) 297-3689
WORLD HEADQUARTERS
WEB ACCESS: http://www.yorkville.com
CANADA
Yorkville Sound550 Granite CourtPickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481Fax: (905) 837-8746
Quality and Innovation Since 1963Printed in Canada
SERVICE MANUALYCV20 - Series 2
Traynor Custom Valve 20
TYPE: YS1006
IMPORTANT SAFETY INSTRUCTIONS
safety-4v3.eps • Oct. 26/05
CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.
INSTRUCTIONS PERTAINING TO ARISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS
Read InstructionsThe Owner’s Manualshould be read and understood before operation of your unit. Please, save these instruc-tions for future reference.PackagingKeep the box and packaging materials, in case the unit needs to be returned for service.WarningWhen using electric products, basic precautions should always be followed, including the following:
Power SourcesYour 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.
HazardsDo 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.
Power CordThe 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.
ServiceThe unit should be serviced only by qualified service personnel.
AVIS:AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE,
N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE)
NE CONTIENT AUCUNE PIECEREPARABLE PAR L’UTILISATEUR.
CONSULTEZ UN TECHNICIEN QUALIFIEPOUR L’ENTRETIENT
INSTRUCTIONS RELATIVES AU RISQUEDE FEU, CHOC ÉLECTRIQUE, OUBLESSURES AUX PERSONNES
Veuillez Lire le ManuelIl contient des informations qui devraient êtres comprises avant l’opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures.EmballageConservez la boite au cas ou l’appareil devait être retourner pour réparation.Attention:Lors de l’utilisation de produits électrique, assurez-vous d’adhérer à des précautions de bases incluant celle qui suivent:
AlimentationL’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.
RisqueNe 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.
Cordon d’AlimentationÉvitez d’endommager le cordon d’alimentation. N’UTILISEZ PAS L’APPAREIL si le cordon d’alimentation est endommagé.
ServiceConsultez un technicien qualifié pour l’entretien de votre appareil.
# Part# DescriptionLabeled Components
1 8260 TRAYNOR LOGO
2 7079 12" 8R 50WPGM SPEAKER CELESTIO
Series 2 (incl. WR version) 3 8461 TRIM CLIP (PLATED BLK ZINC)
4 Z354 YCV20 GRILLE* (‡ cuurent model only)
5 8456 10.0" STRAP HANDLE, NICKEL COVERS
6 TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD
7 3428 AC LINE CORD - #3474(EURO)
8 3537 ACC# 4EB3C1B LONG REVERB
9 3890 36" PREFAB. CABLE (RED/BLACK)
10 8770 1/4-20 X 1 5/16 TRUSS PH MS JS5
11 8504 CORNER, 2 LEGS NOTCED LIP NICKEL PLATED
12 8521 RUBBER BUMPER WITH WASHER VERYS
13 6397 JEWELED PILOT LAMP AMBER REG
14 8430 CHICKEN-BEAK KNOB
15 8633 ROUND PUSH BUTTON 1/4" BLACK
16 3921 1/4" JCK PCB MT VERT STER RT SWT
17 3438 230 AC RECEPTACLE FUSE & 250 T
18 3698 SPST ROKR SW QUIK 180" AC PWR B
19 3450 & 3450NUT 1/4" ALL GOLD PC MNT JK SKT
20 3436/8661 DPDT PUSH SW B4 MAKE/BUTTON KNOB GREY
21 3923 XLR MALE PCB MT HORZ MTHOLE-V SNAP
22 7025A OR 7025B 12AX7 DUAL TRIODE PREAMP TUBE
23 6BQ5 6BQ5 PENTODE OUTPUT TUBE
24 7078 (WINE) 12" 8R 25WPGM SPEAKER CELESTION
25 3552 NYLON SPRING CLAMP
*NOTE: Replacement grilles are 'Special-Order' and are only available while the model is in production.
‡ Grilles & support replacements are for CURRENT models only
TUBES
43
1
2
13
12
22/23
17
5
16
10
76
8/9
11
1415
18 19
Wine Red Version Speaker24
20 21
Parts-Serv-YCV20-Series2-1v0.xls ftp.yorkville.com Speaker Enclosure
DISCONNECT POWER WHEN REPLACING TUBES
DÉBRANCHÉ L’APPAREIL AVANT DE REMPLACER LES LAMPES
POWER
6BQ5 V4
POWER
6BQ5 V5
PREAMP 12AX7
V1
12AX7
V2 SPLITTER
12AX7
V3
B l o c k D i a g r a m f o r YCV20 II D E S I G N E D A N D M A N U F A C T U R E D B Y Y O R K V I L L E S O U N D
+
-
+
-
Mono1/4-inch
Input
Footswitch
Channel Select
Boost
D.I. Out
Preamp
Ch 2Gain
Ch 1Gain
Ch 2Volume
Bright
Boost
ChannelSelect
ChannelSelectV1:A
PreampV2:B
PreampV2:A
PreampV1:B
0 dB
Splitter
Send RtnReverbAccutronics ©
4EBC1BV3:A
V4:AV5:A
PowerAmp
ExternalSpeaker Out
Headphones
YS#70798-ohms
12-inchSpeaker
InternalSpkr Defeat
100R5W
Blk
Grn
Treble/Bass/Mid
EQ
Ch 1Volume
Pre-AmpOut
Amp In
BLOCK-DIAG-ycv20-Series-II-1v30.ai
TYPE: YS1006
+
YCV20 - Series 2YS No. Description Qty. YS No. Description Qty.
6397 JEWELED PILOT LAMP AMBER REG V1 1 4612 1/2W 18R 5% T&R RES 35906 RED 3MM LED 1V9 20MA .4SPCER T&R 1 4817 1/4W 47R 5% T&R RES 46398 RED 5MM LED 1V5 20MA HIGH EFF 1 4912 1/4W 75R 5% T&R RES 16399 YEL 5MM LED 1V5 20MA HIGH EFF 1 2044 1/4W 101R0 FUSIBLE T&R RES 25907 YEL 3MM LED 1V9 20MA .4SPCER T&R 1 4692 5.0W 100R 5% BLK RES 25908 GRN 3MM LED 1V9 20MA .4SPCER T&R 1 4852 1/4W 100R 5% T&R RES 26825 1N4148 75V 0A45 DIODE T&R 6 2022 1.0W 220R 5%FLAME PROOF T&R RES 36438 1N4007 400V 1A0 DIODE T&R 9 4857 1/4W 220R 5% T&R RES 16461 1N5240BRL 10V0 0W5 ZENER 5% T&R 1 4713 1.0W 470R 5% T&R RES 16475 1N5262B 51V0 0W5 ZENER 5% T&R 3 4821 1/4W 470R 5% T&R RES 36871 MC7915CT TO220 N 15V0 REG V2 1 4980 1/4W 470R 5%MINI T&R RES 16872 MC7815CT TO220 P 15V0 REG V1 1 4799 1/4W 562R 1% T&R RES 25102 BC560C TO92 PNP TRANSISTOR T&R TB 2 4891 1/4W 620R 5% T&R RES 25103 MPSA06 TO92 NPN TRANSISTOR T&R TA 3 4673 1/2W 680R 5% T&R RES 25104 MPSA56 TO92 PNP TRAN T&R TA 1 4822 1/4W 820R 5% T&R RES 26730 IRF830 TO220 NCH MFET TN 1 4623 1/2W 1K 5% T&R RES 26882 TL072CP IC FET DUAL OP AMP 2 4913 1.0W 1K 5% T&R RES 15199 100P 100V 2%CAP T&R RAD CER.2"NPO 1 4791 1/4W 1K54 1% T&T RES 45197 220P 100V 2%CAP T&R RAD CER.2"NPO 3 4647 1/2W 2K2 5% T&R RES 15201 470P 100V 5%CAP T&R RAD CER.2"NPO 3 4847 1/4W 2K2 5% T&R RES 15206 __1N 400V 5%CAP T&R RAD .2"FLM 2 2035 1/4W 2K21 1%FLAME PROOF T&R RES 15208 __2N2 400V 5%CAP T&R RAD .2"FLM 4 4827 1/4W 4K7 5% T&R RES 25275 __3N3 100V 5%CAP T&R RAD .2"FLM 1 4982 1/4W 4K7 5%MINI T&R RES 15209 __4N7 250V 5%CAP T&R RAD .2"FLM 2 4828 1/4W 6K8 5% T&R RES 16451 __4N7 250V 20%CAP BLK 'Y' 10MM AC 1 4800 1/4W 10K0 1% T&R RES 25272 __6N8 100V 5%CAP T&R RAD .2"FLM 1 4829 1/4W 10K 5% T&R RES 135204 _10N 100V 10%CAP T&R RAD .2"FLM 1 5031 1.0W 10K0 5% T&R 25834 _10N 250V 20%CAP BLK RAD POLY FLM 1 4831 1/4W 18K 5% T&R RES 15210 _22N 100V 10%CAP T&R RAD .2"FLM 1 4840 1/4W 33K 5% T&R RES 15840 _22N 400V 10%CAP BLK RAD POLY FLM 2 4834 1/4W 47K 5% T&R RES 36435 _22N 275V 20%CAP BLK 'X2' 15MM AC 1 4848 1/4W 62K 5% T&R RES 15306 _33N 50V 10%CAP T&R BEAD X7R 1 4837 1/4W 82K 5% T&R RES 15224 _47N 100V 10%CAP T&R RAD .2"FLM 2 4838 1/4W 100K 5% T&R RES 75226 _68N 100V 5%CAP T&R RAD .2"FLM 1 4776 1/4W 113K 1% T&R RES 45212 100N 63V 5%CAP T&R RAD .2"FLM 10 4841 1/4W 220K 5% T&R RES 75314 100N 50V 10%CAP T&R BEAD X7R 3 4843 1/4W 470K 5% T&R RES 55865 100N 250V 10%CAP BLK RAD POLY FLM 1 4880 1/4W 680K 5% T&R RES 15882 220N 250V 10%CAP BLK RAD POLY FLM 1 4844 1/4W 1M 5% T&R RES 75233 330N 63V 5%CAP T&R RAD .2"FLM 2 3610 10" 9C-26AWG RIB 3/4" NOTCH 0.1" 25629 _10U 160V 20%CAP BLK 10X13MM EL 1 3696 RELAY 1C 02AMP DC24 006MA PC-S 25631 _22U 50V 20%CAP T&R 6X7MM .2"EL 9 3700 RELAY 2C 01AMP DC24 015MA PC-S 15958 _22U 350V 20%CAP BLK 13X25 EL 6 3537 ACC# 4EB3C1B LONG REVERB 15618 470U 25V 20%CAP BLK 10X15MM EL 4 8865 4-40 X 5/16 PAN PH MS JS500 14
TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD-BULK 1 8832 6-32 X 1/4 PAN PH TAPTITE JS500 94423 _20K 15AAUDIO 9MM P32 1 8801 6-32 X 3/8 PAN PH TAPTITE JS500 24424 100K 1B LIN 9MM P32 2 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 114425 500K 15AAUDIO 9MM P32 5 8837 6-32 X 1/2 ROUND PH MS JS500 3
713 25 X 20 X 50 2 MIL PLASTIC BAG 1 8757 #6 X 5/8 PAN PHIL TYPE A ZINC CLEAR 23976 SNAP ON 0.843" INSULATING BUSHING 2 8824 8-32 X 5/16 PAN QUAD TAPTITE JS500 28461 TRIM CLIP (PLATED BLK ZINC) 4 8722 #8 X 1" PAN QUAD TYPE AB B/O 48521 RUBBER BUMPER WITH WASHER VERYSMALL 4 8809 10-32 X 1/4 PAN PH TAPTITE JS500 253478 CLIP 205/187X032 18-22AWG DISCO/INS 5 8750 #10 X 1/2 PAN PH TYPE A ZINC 163489 CLIP 250X032 18-22AWG DISCO/INSL 2 8756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE 103494 CLIP 205/187X020 14-16AWG DISCO/INS 2 8843 10-32 X 1 1/8 FLAT PH MS JS500 23601 RING TERMINAL 16AWG WIRE & #8 SCREW 2 8786 10-32 X 1 1/4 PAN QD MS JS500 BLACK 43682 250 MALE PCB TAB REEL 16 8862 #10 X 1 1/2 PAN PH TYPE A JS500 43498 1/4" JCK PCB MT HORZ 2 8770 1/4-20 X 1 5/16 TRUSS PH MS JS500 43528 1/4" JCK PCB MT HORZ GOLD TR_ 3 8905 YORKVILLE PRODUCT SCHEMATIC 13921 1/4" JCK PCB MT VERT STER RT SWT 1 3741 .5 SPACER ID-.171 OD-.25 #912-500 43890 36"90'RCA DUAL RED-WHITE PREFAB CBL 1 3865 1/2 PLASTIC HEX SPACER #6 93914 RCA SNGL PCB MT HORZ 2 3858 3/4 PLASTIC HEX SPACER #4 73923 XLR MALE PCB MT HORZ MTHOLE-V SNAP 1 7079 12" 8R 50WPGM SPEAKER CELESTION 13451 EYELET SMALL 0.089 OD PLATED 13 8482 3/8 1D FLAT WASHER 12471 T1A 5X20MM FUSE 1 8488 3/8 INT TOOTH LOCKWASHE ZINC 18456 10.0" STRAP HANDLE, NICKEL COVERS 1 8491 #10 SPLIT LOCK WASHER BO 68604 10-32 T NUT 6 8820 #8 FLAT WASHER JS500 48889 RUBBER GROMMET #2183-034-BLK 7 8817 #10 FLAT WASHER FOR 3/16" BOLT 83438 IEC PWR SOC W/.205TAB &FUSE 10A250V 1 3436 DPDT PUSH SW PCMT H BREAK B4 MAKE 13552 NYLON SPRING CLAMP 2 3522 DPDT MINI PC VERT SNP ALT 43810 4" NYLON CABLE TIE 6 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL 18430 YCV40 CHICKEN-BEAK KNOB 8 3732 9 PIN PC MOUNT TUBE SOCKET BE 28504 CORNER, 2 LEGS NOTCED LIP NICKEL 8 3983 9 PIN PC MOUNT TUBE SOCKET 38633 ROUND PUSH BUTTON 1/4" BLACK 4 12AX7 DUAL TRIODE PREAMP TUBE 38661 BUTTON KNOB FLAT GREY 1 6BQ5 PENTODE OUTPUT TUBE 23428 8' 3/18 SJT AC LINE CORD REMOVABLE 1 1330 YCV20 POWER 120VAC 60HZ XFMR 18260 YCV40 LOGO EMBOSSED ALUMINUM 1 1330M YCV20 OUTPUT XFMR 18910 YORKVILLE PRODUCT MANUAL 18900 YORKVILLE WARRANTY CARD 2-YR UNLTD. 13674 9 CIR CABLE HOLDER .098 48800 6-32 KEPS NUT ZINC 58890 1/4-20 CAGE NUT C79-88142027 43796 ELASTOMER PAD TSIL 1.0X0.8 33850 TO-220 PLASTIC TRANSISTOR INSULATOR 34597 22AWG STRAN TC WIR JMP 24599 22AWG SOLID SC WIR T&R JMP 552037 1/4W 10R FUSIBLE T&R RES 24896 1/4W 15R 5% T&R RES 1
11 11
10 10
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
of
Filename:
PCB# Sheet 31
Product
Date: 7V00M647-7V00sch.sch2002
M647Sheet1Mon Sep 11, 2006 Rev:
YCV20of
Filename:
PCB# Sheet 31
Product
Date: 7V00M647-7V00sch.sch2002
M647Sheet1Mon Sep 11, 2006 Rev:
YCV20
+150V
GND
GND
GND
PL1
-15V
-15V
+15V
+150V
R8
1/4W 33K
X46
.W16
SPKR+
BLU
SCRN
.W20
SPKR-
BLK
+15VGND
R65
1/4W 2K2
R62
1/4W 4K7
GND
C65
50V
22U
+15V
R55
1/4W 47R
4148D6
R3
1/4W 1M
R56
1/4W 47R
C6150V100N
0.7Vdc
93Vdc
TL072C
83VdcC12
400V1N
GND
270Vdc
X39
PL21330M
GND
-15V
-15V
+15V
GND
GND
C4100V6N8
R91/4W
100K
GND
W22GRN
CHGND
.
93VdcC8
400V2N2
V1:B12AX7
R121/4WFLMP
2K21
W31YEL
IN
.W32YEL
IN
.
0.7VdcR14
1/4W 220K
1/2W 680R
R98
1/2W 680R
R97
R261/4W
47K
0.7Vdc
V2:B12AX7
+150V_RAW
V3:B12AX7
+150V_RAWR801/4W
470R
R81
1/4W 1M
S6:A3436
JACKS+
W14 .BLU
R241/4W
220K
C16100V47N
C17400V1N
C15100V100N
R75
1/4W 470K
1/4W
R74470K
R761/4W
820R
R735.0W
100R
.
1/4W
R10010K0
R291/4W
47R
R2
1/4W 1M
3682W2BRNPLATE
R84
1.0W 220R
FLMP
3682W1BLUPLATE
.W15
JACKS-
BLK BLK.W29
JACKS-
.
1/4W
R10110K0
U1:A
TL072CP
R301/4W
470K
C23100V220P
R491/4W
620R
50VC26
22U
22U
50VC6450V
22U
C63
C34100V100P
R631/4W
220K
C57100V
100NC54
100V
100N
Q75103
TO92
MPSA06
1/4W
6K8
R40
D34148
LD1CLN
GRN 5908
Q65103
TO92
MPSA06
K1:C
R88
1/4W 100K
R341/4W
10K
R441/4W
10K
R45
1/4W 10K
C22100V100N
Q85102
TO92
BC560C
R47
1/2W 1K
R381/4W
10K
C21100V100N
Q55102
TO92
BC560C
D2 4148
R96
1/2W
2K2
Q105104
TO92
MPSA56
R571/4W
470R
Q95103
TO92
MPSA06
R541/4W
4K7
C30100V220P
LD3BOOST
RED 5906
LD2OD
YEL 5907
R35
1/2W 1K
R591/4W
10K
C32100V10N
R601/4W
10K
C2750V22U
C2850V22U
NET00050
BOOSTS3:B3522
R331/4W
47K
R321/4W
47K
B ETO-92
BC550C
C
C5250V
4N7
B CTO-92E
MPSA56MPSA06
C663V
330NR17
1/4W 1K54
R16
1/4W 113K
R15
1/4W 1M
C2250V10N
R4
1/4W 1K54
C18100V
470P
P4:A
4425
M
15A500K
CLN DRV
K1:B
C3250V100N
C950V
22U
C10100V
3N3
C58100V
470P
R21
1/4W 1M
R6
1/4W 1K54
R7
1/4W 113K
R82
1/4W 1M
.
JACKS+BLUW30
V3:A12AX7
C1363V
330N
C45400V
22N
C44400V
22N
R771/4W
820R
1/4W562R
R103
1/4W562R
R102
P7:A
4425
M
15A500K
OD VOL
C24100V
22N
R271/4W
100K
R281/4W
100K
R851.
0W 220RFLMP
R481/4W
100K
K3:A
3696
3682W18BLKSPKR-
R95
1/4W MIN
I47
0R
K2:B
C3563V
150N
6541J6
REV RTN
R36
1/4W 47R
R39
1/4W 10K
R46
1/4W 75R
D44148
8V+
4V-
U1:C
R37
1/4W 100R
R42
1/4W 220R
R58
1/4W 4R7
.
8V+
4V-
U2:C
C31100V
100N
CH SELS2:A3522
W24GRN
CHGND
.
R61
1/4W 100K
C2550V
22U
R501/4W
620R
RIN
GJ1
FUNCTION
"STYLE_P32"
K3:B
103Vdc
PLATE8.0Vdc
C46250V4N7
103Vdc 270Vdc
0.8Vdc
C11400V2N2
NET00037
NET00057
R101/4W
220K
R111/4W
220K R89
1/4W 220K
89Vdc
V1:A12AX7
50VC39
33NW34BLK
INGND
.
BRIGHTS1:B3522
S1:A3522
BRIGHT
C47100V100N
R79
1/4W 82K
R831/4W
10K
3682RED
HI VW3
3682W17GRNSPKR+
S6:B3436
5.0W 100R
R99
3923
J9
V2:A12AX7
P1:A
4424
M
1B100K
TREBLE
C33100V
100N
R66
1/4W 220K
R521/4W
10K
R511/4W
10K
U1:B
TL072CP
C59100V
470PC29
100V220P
R531/4W
4K7
S3:A3522
BOOSTR43
1/4W 4K7
C20100V
100N
C19100V
100N4148D1
D54148
S TRJ2
S TRJ8
D SGTO-220
IRF830
C150V
22U
C7400V
2N2
C14400V
2N2
P5:A
4425
M
15A500K
OD DRV
R131/4W
220K
R18
1/4W 1M
R20
1/4W 100K
W33BLK
INGND
.
R5
1/4W 113K
K2:A
3696
K1:A
R78
1/4W 100K
6BQ5V4:A
6BQ5V5:A
P2:A
4425
M
15A500K
BASS
P3:A
4423
M
15A20K
MID
P6:A
4425
M
15A500K
CLN VOL
R22
1/4W 1K54
R23
1/4W 113K
R25
1/4W 220K
M
1B
P8:A
4424
100K
REVERB
U2:B
TL072CP
R64
1/4W 18K
6541J7
REV DRV
R31
1.0W 1K
Mini
S2:B3522
CH SELR41
1/4W 4K7
MINI1/4W 100R
R19
SRT J5
Gold Gold .
AMP IN
3696_DRW
SRT J3
Gold Gold .
FT SW
SRT J4
- - -
PRE OUT
NODE VOLTAGE TEST CONDITIONSLINE VOLTAGE: 120VacOUTPUT LOAD: 8 OHMSNO INPUT SIGNAL APPLIED
U2:A
TL072CP
1
2
3
5
4T2
BLU
BLK
GRN
BRN
RED
3700_DRW
11 11
10 10
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
of
Filename:
PCB# Sheet 32
Product
Date: 7V00M647-7V00sch.sch2002
M647PowerSupplyMon Sep 11, 2006 Rev:
YCV20of
Filename:
PCB# Sheet 32
Product
Date: 7V00M647-7V00sch.sch2002
M647PowerSupplyMon Sep 11, 2006 Rev:
YCV20
S5
+15V
GND
GND
GND
T1
1330
PLATE SCRN
HI1
W25:GW25:H
GNDW25:EW25:D
GNDW25:AW25:B
W26:GW26:H
W26:DW26:E
W26:BW26:A
T400mAL
F1FUSE
NET00093 W39:HW39:G
NET00080
NET00099 W39:DW39:E
NET00082W39:AW39:B
BLK
8
PR2
GRN
3GRY
4YEL
5
GRY
RED
7
HTR2
4007
D94007
D8
3.2Vac
-15Vdc
+15V
NET00048
NET00065
NET00077
R711.0WFLMP
220R
R701/4WFLMP10R
R721.0W
10K0
R941/4W
10K
GND
GND
+15V
-15V
W25:F
W25:C
W25:I
IEC
_REC
T
IEC
_REC
T
W26:F
W26:C
W26:I
CE AC
SCH_SPDT
S5
NET00087
NET00098
NET00103
W39:I
W39:C
W39:F
9
1330E
BLK
3682W11120V
PR1
3682W13BLK120V
1GRN
2
6
RED
3682W9GRNFIL
3682W8GRNFIL
LV1
4007
D14
LV2
HI2
3682W6GRYLO V
4007
D11
4007
D12
C36350V
22U4007
D7
3.2VacV4:B
C4925V
470UC48
25V
470U
C38350V
22U
V5:B
-15V
R871/2W
18R
GND
GND
+15Vdc
C5250V
100N
R861/2W
18R
D S
G
IRF830
Q116730TO220.
R67
1/4W 680K
R68
1/4W 470R
C62100V 47N
272Vdc
+150V
C56250V
4N7
W23GRN
CHGND
.
S4:A3522
STANDBY
C55275V
22N 3682W7GRYLO V
4007
D13
4007
D10 C40250V220N
C5025V
470UC51
25V
470U
R92
1/8W 100R0
FLMP
C5350V
100N
R11/2W
18R
C41350V
22UC43
350V
22U
NET00066
NET00092
W38:HW38:G
NET00095
W38:EW38:D
+150V_RAW W38:AW38:B
SCH_DPDT
3682W19YELC.T.
154VdcR901.0W
10K0
R691/4WFLMP10R
C60160V 10U
W38:I
W38:C
W38:F
Ribbon cables
3682W10WHTLINE
T1AL
FUSEF1
For Euro - T400mAL
3682W12LINE
LD5OPERATE
RED6398
3682W5REDHI V
3682W4REDHI V
R91
1.0W 470R
LD4STBY
YEL6399
C37350V
22U
OUTIN
GND
MC7915CT
6871
Function
U3
TO220
V3:C
V1:C
OUTIN
GND
6872
U4MC7815CT
Function
TO220
212Vdc
283Vdc +150V_RAW
D161N5240BRL 10V00W5
D191N5262B
0W551V0
D181N5262B
0W551V0
4007D15
STANDBYS4:B3522
C42350V
22U
D171N5262B
0W551V0
R93
1/8W 100R0FLMP
V2:C8
3
4
56
7
92
1
T1
GRN
GRN
YEL
GRY
RED
GRY
RED
BLK
BLK
.
910111213
MODEL(S):-DATE VER# DESCRIPTION OF CHANGE#
12345678
TO 100K (4838) [GT](4866), R54&R53 TO 4K7 (4827), C35 TO 150N (5229), R88PC#6716 CHANGE R66&R63 TO 220K (4841), R58 TO 4R7Shifted footswitch jack by 200mil
.
.5.105.005.00
06-OCT-2004
.
.
5-JAN-200416-DEC-2003
Added headphones, DI out, ext. spkr jack and spkr defeatFix shorts in Ver 3.00D2PC#6597 R31 2k2 1/2W to 1K 1W. Add C64,C65,R95,R96,Updated targetsFixed hole size on tube socket - added clinch holeForce updated r70,r72 to fix hole size.
5.004.00.V3.00.V2.00V1.03 V1.00
May, 12, 2003.Apr 07, 2003.21 Feb, 200319 Feb, 2003
YCV20 M647
FIRST PRODUCTION FEB, 2003
16-DEC-2003Connected jacks -ve to speaker -ve, reduced headphone gain
12
9
6
3
13
1011
7
4
12
5
8
V
V
V
.
V
VV
V
V
6.00
V
V
7.00
D
D
D
.
N
N
N
HOLES FOR #3522 DPDT SWITCH, UPDATED RELAYS
D
DD
D
D
12-OCT-2005
D
23-MAY-2006
D
N
NN
N
N
AH, PC#6937, CHANGE TUBE SOCKET DRILLING
N
N
PC#7125:GT:#3914 RCA JACK ->#6541, PC#7091: ENLARGE
KNOBPART#FUNCTIONREFMODEL(S):-
{NEW}YCV20
M647 POT LIST
MAR 2003" "" "" "" "" "" "" "NNNN
#8430#8430#8430#8430#8430#8430#8430#8430KKKK
#4424#4425#4423#4425#4425#4425#4425#4424PPPP
TREBLEBASSMIDGAIN 2 (CLN)GAIN 1 (OD DRV)VOL 2 (CLN)VOL (OD)REVERBFFFF
P1P2P3P4P5P6P7P8RRRR
12
9
6
3
13
1011
7
4
12
5
8
V
V
V
V
V
VV
V
V
V
V
V
V
D
D
D
D
N
N
N
N
D
DD
D
D
D
D
D
D
N
NN
N
N
N
N
N
N
SHEAR SHEAR
VCDCLINCH
ORIGIN LONG AXIS
SHO
RT
AXIS
INSERT
ORIGIN
7V00Pcb MechM647
CLICKIN
OUT
7V00Top Assy7V00
M647Top Assy M647
SEE PRODUCTION NOTE #1
SEE PRODUCTION NOTE #2
SEE LAYOUT DOCUMENTATION
VTR
VTR
C2
NC
C1
NO
NOL
NCL
NOR
NCR
CL CR
NC
NO
C
+
-
GUIDEETCH
+
-
NOL
NCL
NOR
NCR
CL CR
+
-
+
-
GUIDEETCH
+
-
NOL
NCL
NOR
NCR
CL CR
C2
NC
C1
NO
G1
G3
G2
SIG
RC
A
GU
IDE
ETC
H
NOL
NCL
NOR
NCR
CL CR
7
21
G1
G3
G2
SIG
RC
ARING
TIP-SW
TIPSLE
EVE
RIN
G-S
W
7 7
7
7
CH SEL
CLN VOL
OP
ER
ATE
OD DRV
BOOST
BOOST
ODCLN
MID
STB
Y
STANDBY
RE
V R
TN
REVERBOD VOL
.
CLN DRV TREBLE
BRIGHT
INT. SPKR. DEFEAT
HE
AD
PH
ON
ES
D.I. OUT
BASS
RE
V D
RV
PRE OUT AMP IN
EX
TER
NA
L S
PK
R
FT SW
5834
4425
6398
4425
5906
5907
5882
6871
5908
6435
4423
6399
3674
3674
3674
3983 3983
6872
3674
5865
6451
6541
44244425
6730
4425 4424
3436
3923
4425
65413732
3921
3732
3983
4148
1K54
113K
4N7
2N2
100K
220K
4148
1N 1K54
820R
10V
0
100K
470P
51V
0
100P
18K
4K7
10N
47K
620R
47N
1M
113K
10K
2N2
22N
400V
1M
220K
220K
1M41
48
113K
10R
100N
4K7
33K
100N
47R
10K
10K
0
10K
470K
100N
220K22U50V
10N
1K54
22U
350V
100K
820R
330N
160V
10U
1M
RELAY 1C
82K
220K
100K
6N822
0K
470R
RELAY 2C
22U350V
3N3
220K
330N
470P
4148
100R
50V
22U
10R
51V0
18R1/2W
33N
220P22N
500K
15A
22U
50V
25V
470U
113K
220P
220P
25V
470U
25V
470U
22U350V
22U350V
TL07
2CP
2K2
100K
100N
100N
100R0
MP
SA
06
10K
4R7
MPSA56
47K
22U50V
RED
100N
100N
500K
15A
2K21
10K
MPSA06
18R
1/2W
RED YEL 50V22U
1.0W
220R
470K
2N2
MP
SA
06
100N
1M
BC
560C
1M100K470K
250V220N
MC7915CT
TO220
GRN
47R
22U350V
100N
1N
100N
47N
470R47
R
10K
22U50V
275V
22N
20K
15A
22U50V
1.0W
470R
YEL
10K
220K
100N
4K7
1K1/2W
10K
4N7100N
4007
1M
100K
10K
4K7
562R1/2W680R
4007
4007
100R0
4148
470P
470R
1.0W10K0
1.0W220R
22U
350V
6BQ5
2N2
75R
220R
1/2W2K2
470R
51V0 25V
470U
100N
22N400V
680K
6BQ5
MC7815CT
TO220
1K54
22U50V
150N47K
220K
100K
100N
TL07
2CP
4K710K
1.0W1K
RELAY 1C
47R100R
562R4007
4007
4007
5.0W
100R
10K0 680R1/2W
250V
4N7
4007
4007
4148
10K
100K
1B
5.0W
100R
1.0W220R
BC
560C
500K
15A
IRF830
500K
15A
100K
1B
6K81K
1/2W
620R
22U50V
4007
500K
15A
12AX7
12AX7
1.0W10K0
18R1/2W
BU
TTO
N
12AX7
2/5
3/5
7V00
1/5M647
M647
7V00
M647 5/5
M6477V00
M647
4/5
M647
7V00
Shear after auto-insert - 10"
.
IN
W31
YEL
D4
R17
R16
C5
X3
C8
R20
R10
D3
X5
X51
C12
R22
R76
D16
R48
C58
D17
C34
X57
R64
R62
X41
X22
X42
C32
X45
X34
R33
X27
X27
X60
X60
R50
XC51
X28
X28
C62
R3
R5
X19
R45
C14
X24
X21
C45
X2
R82
R13
R14
R81
D2
X15
X7
X12
R23
X20
X31
R69
C21
X13
X33
X18 R
54
X54
X58
X50
X49
X52
R8
C15
R55
R51
R10
1
X47X53
XC96
R60
R75
X17
X8
X40
C54
R66
SPKR+
GRN
W17
W30
.
JACKS+
BLU
HI V
RED
W3
PLATE
BRN
W2
.
INW32
YEL
C1
C2 R
4
TJH3
.INGND
W33
BLK
C42 R78
R77
C6
C60
R15
X16
X11K2
R79
X39
X10
R11
R9
X9
C4
R89
WHT
S2
R95
K1
C43
C10
R25
C13
C18
D1
R19
C63
R70
D19
R87
C39
C23
C24
P6
C64
C51
X59
R7
C30
C29
X38
C48C49
C36
C37
U2R65
R61
C31
X36
C57
GRY
W7
LO V
R93
RED
W4
HI V
W5HI V
RED
Q9
R59
R58
Q10
W12
LINE
X43
R32
W15
BLKJACKS-
W15.
W20
SPKR-
BLK
C26
LD5
XC
93
.
JACKS-W29
BLK
PLATEBLU
W1
SPKR-
BLK
W18
C20 C22
P5
R12
R44Q7
R86
X1
LD3
WHT
S3
X32
LD2
C65
X29
X37
R84
R74
C11
Q6
C19
R21
Q5
R2
R27
R30
C40 U3
X14 LD1
R29
C38
C52
C17
X48
X55
X35
C33
GRY
W6
LO V
FIL GRN
W9
C16
R57R
56
R52
C27
C55
P3
C25 TJH5
SPKR+
W16BLU
R91
LD4
WHT
S4
R94
R63
C61
R43
R47
W37
R83
X30X26
C46
C53
D15
X44X56
R18
R88
X6
R39
R41
R103R103 R98
D8
D9
R92 W27
D5
C59
W28
R80
X46
R90R71
C41
V5
.
CHGND
W22
GRN
.
INGND
W34
BLK
C7
R46
R42
R96
.
CHGND
W23GRNR68
D18
C50W263610
C47
C44
X25
R67
V4
U4
W36
3610W25
R6
C9
C35R26
R24
R28
C3
U1
R53
R38R31
K3
R36R37
TJH1 BLK
W13120V
C.T.YEL W19
R102R102
D14
D11
D13
3610W38
120V
W11 R99
R100 R97
WHT
W10LINE
C56
D10
D7
J6
D6
3610W39
R34
P8
TJH2 R73
R85
Q8
P7
Q11
P4 P1
R40
R35
WHT
S1
R49
S6
FIL
GRN
W8 C28
D12
-
-
-J2
J9
TJH4
YCV20
P2
.
CH
GN
DW24
GR
N
J7
W14
BLUJACKS+
W14
V1
J1
V2-
-
-J4
Gold
Gold
GoldJ5
R72
R1
V3 Gold
#3450
J8
Gold
Gold
GoldJ3
2.
1.
TL072C
HOLE
RIBBON CABLE
LEAD/PIN REFERENCE
LEAD BENT AND TRIMMED
LEADS FOR W25 RIBBON CABLE MUST BE BENT AWAYFROM PCB HOLE AND TRIMMED
SEE LAYOUT DIAGRAM PRODUCTION NOTESMOUNTING DETAILS FOR Q11, U3 AND U4
#8837
#3850
#8800Z437
#3796
Devices
C2
NC
C1
NO
3696_DRWG SDTO-220
IRF830
E CBTO-92
MPSA06MPSA56
C EBTO-92
BC550C
G1
G3K
1 9
NC
P4
H6
EL84
2
3
H
8
7
NC
5
G2
NC
"STYLE_P32"
NO1
NC1
NO2
NC2
COM1 COM2
3700_DRW
2G
2K
1 9
1K
1G4
H6
2
3
H
8
7
2P
5
HT
1P
12AX7A
11
8
5
2
12
9
6
13
10
7
34
1
D
D
D
V
V
V
N
N
N
D
D
D
D
D
D
D
V
V
V
V
V
V
V
N
N
N
N
N
N
N
12-OCT-2005 6.00 AH, PC#6937, CHANGE TUBE SOCKET DRILLING23-MAY-2006 7.00 PC#7125:GT:#3914 RCA JACK ->#6541, PC#7091: ENLARGE
.. HOLES FOR #3522 DPDT SWITCH, UPDATED RELAYS
KNOBPART#FUNCTIONREFMODEL(S):-
{NEW}YCV20
M647 POT LIST
MAR 2003" "" "" "" "" "" "" "NNNN
#8430#8430#8430#8430#8430#8430#8430#8430KKKK
#4424#4425#4423#4425#4425#4425#4425#4424PPPP
TREBLEBASSMIDGAIN 2 (CLN)GAIN 1 (OD DRV)VOL 2 (CLN)VOL (OD)REVERBFFFF
P1P2P3P4P5P6P7P8RRRR
4
1
65
3
#
2
MODEL(S):-PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
XX
XX
PC
PC
PCPC
PCPC
M647 PENDING CHANGESYCV20
5
2
#
6
34
1DATE
MODEL(S):-VER# DESCRIPTION OF CHANGE
D
D
V
V
N
N
D
DD
V
VV
N
NN
M647 DRILL HISTORYYCV20
V07 PC#7125 AND #7091, SEE HISTORY TABLEMAY-23-2006
11
8
5
2
12
9
6
13
10
7
34
1
D
D
D
D
V
V
V
V
N
N
N
N
D
D
D
D
D
D
DD
D
V
V
V
V
V
V
VV
V
N
N
N
N
N
N
NN
N
131211109
DESCRIPTION OF CHANGE
54321# VER#DATEMODEL(S):-
876
May, 12, 2003. .
4.00
V3.00Apr 07, 2003 PC#6597 R31 2k2 1/2W to 1K 1W. Add C64,C65,R95,R96,D2Fix shorts in Ver 3.00
FEB, 200319 Feb, 2003
V1.00 V1.03
FIRST PRODUCTION Force updated r70,r72 to fix hole size.
YCV20 M647
21 Feb, 2003 V2.00 Fixed hole size on tube socket - added clinch holeUpdated targets..
16-DEC-2003 5.00 Added headphones, DI out, ext. spkr jack and spkr defeat16-DEC-2003 Connected jacks -ve to speaker -ve, reduced headphone gain5-JAN-2004 Shifted footswitch jack by 200mil
5.005.00
06-OCT-2004 5.10 PC#6716 CHANGE R66&R63 TO 220K (4841), R58 TO 4R7(4866), R54&R53 TO 4K7 (4827), C35 TO 150N (5229), R88TO 100K (4838) [GT]
.
...
M647YCV20
VER X.XX
*ALL BOARDS SHOWN FROM COMPONENT SIDE
12AX7PREAMP
V3
V4 V5
CLEAN INPUT
LEAD INPUT
CLEANOUTPUT
LEADOUTPUT
V1:A V1:B V2:A V2:B
6BQ5OUTPUT -VE
6BQ5OUTPUT +VE
12AX7PHASE- SPLITTER
12AX7PREAMP
PREAMP BOARD
YCV20 - JAN. 15, 2004THIS DIAGRAM APPLIES TO BOARDS THAT ARE VERSION 5.00 OR HIGHER
INPUT FX LOOP & FOOTSW. BOARD
SPKR./HEADPHONE BOARD
POWER SUPPLY& OUTPUT BOARD