YORKVILLE Custom Valve YCV50 User manual

U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: [phone]
Fax: [phone]
WORLD HEADQUARTERS
WEB ACCESS: http://www.yorkville.com
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: [phone]
Fax: [phone]
Quality and Innovation Since 1963
Printed in Canada
SERVICE MANUAL
YCV50
TYPE: YS1003

IMPORTANT SAFETY INSTRUCTIONS
safety-4v2.eps Aug 26/05
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
INSTRUCTIONS PERTAINING TO A
RISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS
Read Instructions
The Owner’s Manualshould be read and understood
before operation of your unit. Please, save these instruc-
tions for future reference.
Packaging
Keep the box and packaging materials, in case the unit
needs to be returned for service.
Warning
When using electric products, basic precautions should
always be followed, including the following:
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.
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.
No naked flame sources, such as lighted candles, should be
placed on the apparatus.
Power Cord
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.
Service
The 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 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 consultations ultérieures.
Emballage
Conservez 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:
Alimentation
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.
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’Alimentation
Évitez d’endommager le cordon d’alimentation. N’UTILISEZ PAS
L’APPAREIL si le cordon d’alimentation est endommagé.
Service
Consultez un technicien qualifié pour l’entretien de votre appareil.

YCV40BLUE Parts List 4/25/2008
YS No. Description Qty. YS No. Description Qty.
5906 RED 3MM LED 1V9 20MA.4SPCER T&
R
1 4736 5.0W 390R 5% BLK RES 1
5907 YEL 3MM LED 1V9 20MA.4SPCER T&
R
1 4821 1/4W 470R 5% T&R RES 2
5908 GRN 3MM LED 1V9 20MA.4SPCER T&
R
1 4891 1/4W 620R 5% T&R RES 2
6397 JEWELED PILOT LAMP AMBER REG V1 1 4822 1/4W 820R 5% T&R RES 2
6398 RED 5MM LED 1V5 20MA HIGH EFF 1 4823 1/4W 1K 5% T&R RES 1
6399 YEL 5MM LED 1V5 20MA HIGH EFF 1 4913 1.0W 1K 5% T&R RES 2
6438 1N4007 1000V 1A0 DIODE T&R 10 4824 1/4W 1K5 5% T&R RES 5
6825 1N4148 75V 0A45 DIODE T&R 6 4631 1/2W 2K 5% T&R RES 2
6461 1N5240BRL 10V0 0W5 ZENER 5% T&R 1 4847 1/4W 2K2 5% T&R RES 5
6731 7824 TO220 P 24V0 REG 1 4826 1/4W 3K3 5% T&R RES 1
5101 BC550C TO92 NPN TRAN T&R TB 3 4827 1/4W 4K7 5% T&R RES 2
5103 MPSA06 TO92 NPN TRAN T&R TA 3 4829 1/4W 10K 5% T&R RES 11
6730 IRF830 TO220 NCH MFET TN 1 6159 1.0W 15K 5% T&R RES 1
6884 NE5532N IC DUAL OP AMP 2 4831 1/4W 18K 5% T&R RES 3
5197 220P 100V 2%CAP T&R RAD CER.2"NPO 2 4632 1/2W 22K 5% T&R RES 1
5203 _47P 100V 2%CAP T&R RAD CER.2"NPO 1 4833 1/4W 27K 5% T&R RES 2
5201 470P 100V 5%CAP T&R RAD CER.2"NPO 4 4890 1/4W 30K 5% T&R RES 1
5206 __1N 400V 5%CAP T&R RAD .2"FLM 4 4840 1/4W 33K 5% T&R RES 2
5208 __2N2 400V 5%CAP T&R RAD .2"FLM 4 4868 1/4W 36K 5% T&R RES 2
5273 __1N5 200V 5%CAP T&R RAD CER.2"NPO 2 4634 1/2W 47K 5% T&R RES 1
5422 __1N 50V 10%CAP T&R BEAD NPO 1 4834 1/4W 47K 5% T&R RES 6
5209 __4N7 250V 5%CAP T&R RAD .2"FLM 3 4586 1/4W 82K 5%MINI T&R RES 1
5224 _47N 100V 10%CAP T&R RAD .2"FLM 4 4838 1/4W 100K 5% T&R RES 11
5840 _22N 400V 10%CAP BLK RAD POLY FLM 3 4942 1/4W 100K 5% .2"U T&R RES 1
6435 _22N 275V 20%CAP BLK 'X2' 15MM AC 1 4776 1/4W 113K 1% T&R RES 3
6451 __4N7 250V 20%CAP BLK 'Y' 10MM AC 1 4851 1/4W 120K 5% T&R RES 5
5212 100N 63V 5%CAP T&R RAD .2"FLM 7 4790 2.0W 150K 5%10MM BODY T&R RES 1
5227 _82N 100V 5%CAP T&R RAD .2"FLM 1 4668 2.0W 220K 5%10MM BODY T&R RES 2
5233 330N 63V 5%CAP T&R RAD .2"FLM 1 6126 1/4W 220K 5%MINI T&R RES 5
5234 470N 63V 10%CAP T&R RAD .2"FLM 2 6145 1/4W 249K 1%MINI T&R RES 1
5865 100N 250V 10%CAP BLK RAD POLY FLM 3 4879 1/4W 270K 5% T&R RES 1
5882 220N 250VDC 10%CAP BLK RAD POLY FLM 2 4842 1/4W 330K 5% T&R RES 2
5254 __1U 63V 20%CAP T&R 4X7MM .2"EL 1 4843 1/4W 470K 5% T&R RES 3
5257 __2U2 63V 20%CAP T&R RAD .2"EL 1 4844 1/4W 1M 5% T&R RES 6
5631 _22U 50V 20%CAP T&R 6X7MM .2"EL 11 3610 10.0" 9C-26AWG RIB 3/4" NOTCH 0.1" 4
5945 _10U 63V 20%CAP T&R RAD .2"EL 3 3700 RELAY 2C 01AMP DC24 015MA PC-S 2
5959 _10U 450V 20%CAP BLK EL 4 3537
A
CC# 4EB3C1B LONG REVERB 1
5267 100U 25V 20%CAP T&R RAD .2"EL 1 8865 4-40 X 5/16 PAN PH MS JS500 18
5268 220U 35V 20%CAP T&R RAD .2"EL 1 8741 4-40 X 1/2 PAN PH MS JS500 2
5621 470U 63V 20%CAP BLK 12X25MM EL 1 8832 6-32 X 1/4 PAN PH TAPTITE JS500 11
5879 100U 16V 20%CAP T&R 8X7MM .2"EL 2 8807 6-32 X 5/16 PAN PH MS JS500 1
5902 _82U 450V 20%CAP BLK 22X30MM 1 8801 6-32 X 3/8 PAN PH TAPTITE JS500 4
6541 RCA SNGL PCB MT HORZ K901 2 8829 6-32 X 3/8 FLAT PH TAPTITE BO#C HEA 11
TFS-2B TRAYNOR DUAL FOOTSWCH 10' CORD-BULK 1 8755 #6 X 5/8 PAN PH TYPE A JS500 BLAC
K
2
4423 _20K 15AAUDIO 9MM P32 3 8785 #8 X 3/4 OVAL PH TYPE A BLACK OXIDE 16
4424 100K 1B LIN 9MM P32 3 8722 #8 X 1" PAN QUAD TYPE AB B/O 4
4425 500K 15AAUDIO 9MM P32 5 8809 10-32 X 1/4 PAN PH TAPTITE JS500 25
4517 _22K TRIM POT 1 8753 #10 X 1/2 PAN PH TYPE A JS500 BLAC
K
2
713 25 X 20 X 50 2 MIL PLASTIC BAG 1 8756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE 6
3976 SNAP ON 0.843" INSULATING BUSHING 2 8727 #10 X 1" PAN PH TYPE A JS500 BLAC
K
4
8522 RUBBER BUMPER WITH WASHER -SMALL- 4 8912 10-32 X 1 FLAT PHIL MS JS500 BLK 2
8563 CORNER, 2 LEGS NOTCED BLK PLASTIC 8 8786 10-32 X 1 1/4 PAN QD MS JS500 BLACK 4
3478 CLIP 205/187X032 18-22AWG DISCO/INS 5 8770 1/4-20 X 1 5/16 TRUSS PH MS JS500 4
3487 CLIP 250X032 14-16AWG MALE BULK 1 3741 .5 SPACER ID-.171 OD-.25 #912-500 4
3489 CLIP 250X032 18-22AWG DISCO/INSL 2 3865 1/2 PLASTIC HEX SPACER #6 11
3494 CLIP 205/187X020 14-16AWG DISCO/INS 2 3858 3/4 PLASTIC HEX SPACER #4 7
3602 RING TERMINAL 18AWG WIRE & #8 SCREW 2 7081 12" 8R 60WPGM SPKR CELEST VINT30 1
3682 250 MALE PCB TAB REE
L
15 8482 3/8 1D FLAT WASHER 1
3450 1/4" JCK PCB MT ALL-GOLD SKT 2 8488 3/8 INT TOOTH LOCKWASHE ZINC 1
NYS224 280 PLUG NEUTRIK NYS224 1 8491 #10 SPLIT LOCK WASHER BO 8
3498 1/4" JCK PCB MT HORZ 3 8820 #8 FLAT WASHER JS500 4
3921 1/4" JCK PCB MT VERT STER RT SWT 1 8817 #10 FLAT WASHER FOR 3/16" BOLT 8
3890 36"RCA DUAL CABLE 0'/90' RED/WHITE 1 3522 DPDT MINI PC VERT SNP AL
T
4
3451 EYELET SMALL 0.089 OD PLATED 34 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL 1
2403 T2,0AL 5X20MM FUSE 1 3887
A
DHESIVE LINED GROMMET EDGING 1
8451 10" STRAP HANDLE,BLACK METAL ENDCA
P
1 3731 SPRING RETAINER FOR OUTPUT TUBE 2
8604 10-32 T NUT 6 3732 9 PIN PC MOUNT TUBE SOCKET BE 3
8889 RUBBER GROMMET #2183-034-BLK 4 3733 8 PIN PC MOUNT TUBE SOCKE
T
2
3438 IEC PWR SOC W/.205TAB &FUSE 10A250V 1 12AX7BL
K
12AX7 DUAL TRIODE PREAMP TUBE 3
3552 NYLON SPRING CLAMP 4 EL34EH EL34 E.H. EARLY MULLARD STYLE 2
3810 4" NYLON CABLE TIE 14 CH1324 YCV40 POWER 120-100VAC 50-60HZ XFMR 1
8430 KNOB CHICKEN-BEA
K
11 CH1324M YCV40 O/P TRAN XFMR 1
8638 KNOB APMIXER PUSHSW BUTTON GRE
Y
4
3428 8' 3/18 SJT AC LINE CORD REMOVABLE 1
8264 LOGO TRAYNOR YBA/YCV EMBOSSED ALU
M
1
3674 9 CIR CABLE HOLDER .098 4
8701 4-40 KEPS NUT ZINC 2
8800 6-32 KEPS NUT ZINC 4
8890 1/4-20 CAGE NUT C79-88142027 4
3796 ELASTOMER PAD TSIL 1.0X0.8 1
3850 TO-220 PLASTIC TRANSISTOR INSULATOR 2
4599 22AWG SOLID SC WIR T&R JMP 64
4703 2.0W 2R 5% T&R RES 3
4817 1/4W 47R 5% T&R RES 3
2019 1/8W 100R0 1%FLAME PROOF T&R RES 4
4735 1.0W 100R 5% T&R RES 2
2022 1.0W 220R 5%FLAME PROOF T&R RES 2

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
Block Diagram for YCV50
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
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-DIAG-ycv50-1v20.ai
MODEL TYPE: YS1003

# Part# Description
Labeled Components
1 8264 TRAYNOR LOGO
2 7081 12" 8R 60WPGM SPKR CELEST VINT30
3 Z357 YCV40/YCV50 GRILLE* ‡
48563 CORNER, 2 LEGS NOTCED BLK PLASTIC
5 8522 RUBBER BUMPER WITH WASHER -SMALL-
63438 IEC PWR SOC W/.205TAB &FUSE 10A250V
76397 JEWELED PILOT LAMP AMBER REG
88451 10" STRAP HANDLE,BLACK METAL ENDCAP
98770 1/4-20 X 1 5/16 TRUSS PH MS JS5
10 8430 CHICKEN-BEAK KNOB
11 3921 1/4" JCK PCB MT VERT STER RT SWT
12 3450 & 3450NUT 1/4" ALL GOLD PC MNT JK SKT
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 7025AOR 7025B 12AX7 DUAL TRIODE PREAMP TUBE
21 EL34 POWER OUTPUT TUBES
*NOTE: Replacement grilles are 'Special-Order' and are only available while the model is in production.
‡ Grilles & Support replacements are for CURRENT models only.
8
3
1
2
6
710
9
REVERB CABLE AND UNIT
18/19
PUSH BUTTON CAPS16
TUBES
20/21
4
5
11
14 15
12
13
PUSH BUTTON CAPS17
Parts-Serv-YCV50BLUE-1v0.xls ftp.yorkville.com Speaker Enclosure

17 17
16 16
15 15
14 14
13 13
12 12
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
R
R
S
S
T
T
U
U
V
V
of
Filename:
PCB# Sheet 61
Product
Date: Rev: YsType:
X8004v1400
X8004
Input/Pre
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE of
Filename:
PCB# Sheet 61
Product
Date: Rev: YsType:
X8004v1400sch.sch2002
X8004
Input/Pre
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE
YCV50BLUE
C85 400V2N2
C17 250V10N
M613
W1
TO W4
{AWG}
BLK
W2
TO W3
{AWG}
YEL
P1:A
4425
M
15A
500K
DRIVE
3700
K1:A
R4
1/4W
.
47K
R7
1/4W
.
1K5
R1
1/4W
.
113K
R10
1/4W
.
120K
R8
1/4W
.
120K R15
1/4W
.
47K
R9
1/4W
.
120K
R114
1/4W
.
100K
R12
1/4W
.
1K5
R11
1/4W
.
113K
C35 100V220P
DOWN UP
S1:A
3522
AlternateModern
C19 250V100N
R21
1/4W
.
100K
C21 100V47N
C20 100V47N
C32 100V470P
R16
1/4W
.
1M
DOWN UP
S1:B
3522
ModernAlternate
C15 50V22U
R17
1/4W
.
1K5
C24 400V22N
R24
1/4W
.
47K
R20
1/4W
.
100K
R22
1/4W
.
100K
C71 100V470P
RING
J1
INPUT
C80 400V1N
R2
1/4W
.
1M
R3
1/4W
.
1K5
W20
TO W25
{AWG}
RED
3700
K2:B
P8:A
4424
M
1B
100K
TREBLE
P6:A
4423
M
15A
20K
MID
P7:A
4425
M
15A
500K
BASS P9:A
4425
M
15A
500K
CLEAN VOLUME
R79
1/4W
.
30K
P4:A
4423
M
15A
20K
MID
P2:A
4424
M
1B
100K
TREBLE
P3:A
4425
M
15A
500K
BASS
R53
1/4W
.
33K
YCV40
C18 200V1N5
C22 100V47N
C23 100V47N
R14
1/4W
RAD
100K
M581
3700
K2:A
W4
TO W1
{AWG}
BLK
W3
TO W2
{AWG}
YEL
This part is stuffed ONLY
on M613 (YCV50BLUE)
This part is stuffed ONLY
on M581 (YCV40)
S6:B
3522
UP
Alternate
DOWN
BRIGHT
C16 250V100N C33 400V1N
R19
1/4W
.
470K
R112
1/4W
.
27K
R23
1/4W
.
100K
R18
1/4W
.
113K
R5
1/4W
MINI
220K
{Body}
V2:A
Val
2X_TRIODE_HCT
PRE-AMP
UP
Alternate
S6:A
3522
DOWN
BRIGHT
3700
K1:B
P5:A
4425
M
15A
500K
MASTER
{Body}
V2:B
Val
2X_TRIODE_HCT
PRE-AMP
RefDes Value/YSpart# Value/YSpart#
V1:B
2X_TRIODE_HCT
{Body}
Val
PRE-AMP
V1:A
2X_TRIODE_HCT
{Body}
Val
PRE-AMP
R13
1/4W
.
483447K 33KR13 4840
C31 50V
54251N8 1NC31 5422
R6
1/4W
.
4776113K 249KR6 6145
C82 400V
C82 2N2 5208 470P 5201
C27 63V
C27 330N 5233 470N 5234
C26 63V
5231220N 330NC26 5233
C81 400V
52082N2 1NC81 5206
C83 100V
C83 150P 5196 4N7 5209
C1 50V
5631C1 22U 1U 5254
R57
1/4W
.
R57 4843470K 220K 6126
R56
1/4W
.
R56 4838100K 47K 4834
C37 100V
C37 52726N8 1N5 5273
C34 100V
C34 52726N8 4N7 5209
R58
1/4W
.
R58 4843470K 220K 6126 R52
xxW
WJ
{Body}
R52 WJ 4599 47K 4834

17 17
16 16
15 15
14 14
13 13
12 12
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
R
R
S
S
T
T
U
U
V
V
of
Filename:
PCB# Sheet 62
Product
Date: Rev: YsType:
X8004v1400
X8004
Loop/Reverb
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE of
Filename:
PCB# Sheet 62
Product
Date: Rev: YsType:
X8004v1400sch.sch2002
X8004
Loop/Reverb
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE
R37
1/4W
.
100K
R36
1/4W
.
100K
R64
1/4W
47K
.
1/4W
10K
R108
.
C67 63V470N
C7 50V22U C75 400V2N2 C11
63V 100N
C6 50V22U
C4 50V22U
R65
1/4W
.
47K
R66
1/4W
.
47R
4148
D17
4148
D16
R97
1/4W
.
10K
C2
50V 22U
C64 250V4N7
R67
1/4W
.
10K
C9
16V 100U
R61
1/4W
.
620R C56
50V 22U
R70
1/4W
.
18K
C10 50V22U
R69
1/4W
.
120K
R72
1/4W
.
1M
C14 50V22U
R71
1/4W
.
10K
C68 63V100N
C8 16V100U
R60
1/4W
.
620R
400V
C302N2
R68
1/4W
.
120K
8
V+
4V-
U1:C
C72
63V
100N
M
1B
P11:A
4424
100K
REVERB
R63
1/4W
.
3K3
C66 100V220P
R119
1/4W
.
18K
C63 100V47P
C65
100V 470P
R59
1/4W
.
10K
R109
1/4W
.
100K
R107
1/4W
.
10K
C12
50V 22U
C3
50V 22U
R39
1/4W
.
100K
R40
1/4W
.
27K
8
V+
4V-
U2:C
U2:B
NE5532N
U2:A
NE5532N
6541
J7
REVERB RTN
J8
6541
REVERB SEND
STRJ4
-- -
PRE-AMP-OUT STR
J3
Gold
GoldGold
PWR-AMP-IN
U1:B
NE5532N
U1:A
NE5532N
R38
1/4W
.
100K

17 17
16 16
15 15
14 14
13 13
12 12
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
R
R
S
S
T
T
U
U
V
V
of
Filename:
PCB# Sheet 63
Product
Date: Rev: YsType:
X8004v1400
X8004
Power Amp
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE of
Filename:
PCB# Sheet 63
Product
Date: Rev: YsType:
X8004v1400sch.sch2002
X8004
Power Amp
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE
R45
1/4W
.
1M
R46
1/4W
.
1M
R90
1.0W
FLMP
220R
X613
X581_
N375
X581
X65
X66
X34
1/4W
R51
1K5
.
X24
C51
100V 82N
R47
1/4W
.
470R
C58 400V2N2
R76
1/4W
.
470K
X67
C50 400V22N
C49 400V22N
R43
1/4W
MINI
82K
W41
{AWG}
ORN
V2,V3_PL
R77
1/4W
.
270K
R86
1/4W
.
820R
R41
1/4W
MINI
220K
R87
1/4W
.
820R
R91
2.0W
.
2R
3682 W18 XF
BRN
R89
1.0W
FLMP
220R
3682 W17 XF
BLU
X613_
N376
1324M
YCV40:
7080 12" 8R
80WPGM
P10:A
4423
M
15A
20K
Presence/Master
R49
1/4W
.
4K7
R44
1/4W
.
100K
R62
1/4W
MINI
220K
R42
1/4W
MINI
220K
R92
2.0W
.
2R
C48 63V100N
3682 W19 Out_XF_CT
RED
R48
1/4W
.
10K
C47 63V100N
X41
{Body}
V3:B
Val
2X_TRIODE_HCT
SPLITTER
PENTODE
{Body}
V5:A
Val
OUTPUT
These parts are
stuffed ONLY on
M613 (YCV50BLUE)
TO J5
3682 W15 OUTPUT
GREEN
3682 W14 OUTPUT XF
BLACK
V3:A
2X_TRIODE_HCT
{Body}
Val
SPLITTER
PENTODE
V4:A
{Body}
Val
OUTPUT
These parts are
stuffed ONLY on
M581 (YCV40)
+
PHONE_PLUG
+ to tip
STRJ6
-- -
EXTENSION
STRJ5
-- -
OUTPUT
WOOFER
SP2
{Description}
1
2
3
5
4T1
1327M
BLU
BLK
GRN
BRN
{Description}
RED
YCV40WR/YCV50BLUE:
7081 12" 8R (Vintage 30)
60WPGM

17 17
16 16
15 15
14 14
13 13
12 12
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
R
R
S
S
T
T
U
U
V
V
of
Filename:
PCB# Sheet 64
Product
Date: Rev: YsType:
X8004v1400
X8004
Switching/Supply
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE of
Filename:
PCB# Sheet 64
Product
Date: Rev: YsType:
X8004v1400sch.sch2002
X8004
Switching/Supply
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE
4148
D1
R27
1/4W
.
2K2
R28
1/4W
.
10K
C54 250V4N7
R96
1/8W
FLMP
100R0
C38 63V470U
C84 250V220N C28 250V220N
4148
D23
4148
D15
C70 50V22U
R82
1/4W
.
47R
4007
D12
R55
2.0W
10MM
220K
D13
1N5240BRL 10V0
0W5
10K
M613M581
3682 W16 FIL
GRN
R34
1/4W
.
2K2
Q2
5103
TO92
MPSA06
R32
1/4W
.
10K
C46 400V1N
4148
D2
Q3
5103
TO92
MPSA06
LD4
RED
5906
BOOST
C45 63V100N
R99
1/4W
.
4K7
S4:B
3522
UP
Alternate
DOWN
BOOST
R84
1/8W
FLMP
100R0
3682 W10 NEUT
WHT
C53 275V22N
3682 W9 XF PRI
BLK
R95
1/8W
FLMP
100R0
3682 W27 FIL
GRN
3682 W13 +24V
GRY
3682 W12 +24V
GRY
R74
1/4W
.
2K2
PENTODE
V5:B
{Voltage}
4007
D6
D4
4007
D3
4007
4007
D11
C29
35V
220U
C5 25V100U
W21
{AWG}
GRY
to_DC_FIL
3682 W26 +HI
RED
C55 450V82U
LD1
YEL
6399
STANDBY
R93
5.0W
.
390R
Alternate
DOWN UP
STANDBY
3522
S3:A
C60 450V10U
W40
ORN
to_V2,V3_PL
R101
1/4W
.
2K2
R102
1/4W
.
470R
R103
1/4W
.
470K
C41 450V10U
R88
1.0W
Mini 1K
C69 63V2U2
3700
K2:C
R26
1/2W
.
2K
LD5
GRN
5908
CHNL2
Q6
5101
TO92
BC550C
R31
1/4W
.
10K
R83
1/8W
FLMP
100R0
LD3
YEL 5907
CHNL1
S5:B
3522
UP
Alternate
DOWN
CHANNEL
SPST Switch
S7
Power
C25
63V 10U
P12
4517
M
Lin
22K
Bias
R73
1/4W
.
1M
C13
63V 10U
C44
63V 10U
4007
D5
R113
1/4W
.
36K
R75
1/4W
.
36K
W38
{AWG}
GRY
DC_FIL
1.0W
100R
R33
.
3682 W28 +HI
RED
LD2
RED
6398
ON
R54
1.0W
Mini 1K
C39 450V10U
R104
2.0W
10MM
150K
3682 W11 XF PRI
BLK
4007
D10
D8
4007
D7
4007
RefDes Value/YSpart# Value/YSpart#
YCV50BLUEYCV40
Q7
5101
TO92
BC550C
S4:A
3522
UP
Alternate
DOWN
BOOST
R25
1/4W
.
10K
Q11
5103
TO92
MPSA06
R111
1/4W
.
1K
R85
1/4W
.
47R
R29
1/2W
.
2K
2X_TRIODE_HCT
V3:C
{Voltage}
IEC_RECT
FUSE
FUSE
F1
{C_Type}
3682 W8 LINE
BLK
BIAS 350mV ACROSS R91
AND ACROSS R92
C40 450V10U
2X_TRIODE_HCT
V1:C
{Voltage} 2X_TRIODE_HCT
V2:C
{Voltage}
PENTODE
V4:B
{Voltage}
C57 63V100N
R110
2.0W
10MM
220K
4007
D9
IN
REF
OUT
6731
Q1
7824
TO220
{Watts}
+24 Reg
R98
1/4W
.
330K
C52
250V 100N
DOWN UP
STANDBY
3522
Alternate
S3:B
R115
1/2W
.
22K
R100
2.0W
.
2R
R30
1/4W
.
2K2
S5:A
3522
UP
Alternate
DOWN
CHANNEL
STRJ2
Gold Gold Gold
LINE_IN
Q12
5101
TO92
BC550C
1.0W
100R
R35
.
R50
1/4W
.
330K
G
D
S
Q8
6730
IRF830
NTO220
+Hi Reg
3700
K1:C
8
72
4
3
6
5
1
1324
T2
GRN
GRN
BLK
GRY
GRY
Transformer
BLK
RED
RED
R106
1/2W
.
10K
15KR106 6159 4629
R78
1/4W
.
483327K 483118KR78

17 17
16 16
15 15
14 14
13 13
12 12
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
R
R
S
S
T
T
U
U
V
V
of
Filename:
PCB# Sheet 65
Product
Date: Rev: YsType:
X8004v1400
X8004
DRW/Tables
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE of
Filename:
PCB# Sheet 65
Product
Date: Rev: YsType:
X8004v1400sch.sch2002
X8004
DRW/Tables
Thu Apr 24, 2008 v14.00
YCV40/YCV50BLUE
"STYLE_P32" DSG
TO-220
IRF830
BE
TO-92
C
BC550C
B C
TO-92
E
MPSA06
3700_DRW
6
3
5
2
4
1
#PENDING CHANGEPC#
MODEL(S):-
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PC
PC
PC
PC
PC
PC
X
X
X
X
X
YCV40/YCV50BLUE
X8004 PENDING CHANGES
X
7
4
1
9
2
3
5
6
8
13
10
11
12 .
.
#6933, CHANGE R78 TO 27K AND ADD TRIM POT 10K
CHANGES (SEE YCV50 V2.00 SCHEMATIC FOR DETAILS)
DEC-02-2004
JUN-15-2005
OCT-15-2004
AH, PC#6866, ADD CONNECTION PREAMP-STANDBY
GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER
GT:PC#6744 & 6748: APPLIED YCV50 STANDBY
.
.
12.00
.
.
DEC/03 11.00 CONVERT TO PCAD 2002
TRACE ARTWORK FIXED MANUALLY10.01 PC#6624 UPDATE 9 PIN TUBE SOCKETS
MOVE BREAKAWAY PCB'S TO AID ASSEMBLY
MOVE AC TABS APART FOR CE COMPLIANCE
PC#6562 R106 47K->100K D15->J76
PC#6545 MOVE X57 AND C60
PC#6539 R106 100K->47K6.30
7.00
7.10
8.00
9.00
10.00
JUN/24/02
JUL/04/02
SEP/03/02
MAR/17/03
MAR/27/03
AUG/25/03
NOV/12/03
7
4
1
9
2
3
5
6
8
13
10
11
12 D
D
N
N
D
D
D
N
N
N
V
V
V
V
V
. . XC50 BREAKAWAY DOWN IN LINE WITH XC54
MOVED W8 TRACE AWAY FROM SCREW HOLE, MOVED.
PC#7053:GT:R53 4850 3K9 -> 4864 2K7
PC#6967, INCREASE CLEARANCES NEAR OUTPUT TUBES
.
.
12.01
.
.
DEC-14-2005
.
PC#6965, MOVE ARC TRACE AWAY FROM TUBES
MAY-18-2006
.
.
13.00
.
.
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 KNOBPART#
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
BASS
MID
MASTER
MID
BASS
TREBLE
CLEAN VOLUME
PRES./MASTER
REVERB
.
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
.
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE DESCRIPTION OF CHANGE
..
NOV/30/01 PC#6420 ADD R100 220K 2W ACROSS C55
PC#6407 R103 680K->1M
R100 10R 1W->1R 1/4WFP R101 10R/1W->820R 1/4W
PC#6419 ADD Q12,R103 R50 2M2->680K
PC#6311 ADD D16,D17,R97 AT U2
PC#6305 R63 2K2->3K3 R40 24K->27K
.
.
1.00
MAY/25/01
.
APR/30/01
DEC/14/00
NOV/08/00
YCV40 M581 PCB HISTORY
FIRST PRODUCTIONNOV/02/00
JUN/21/01
PC#6537 R71 2K2->3K3 P11 20KA->100K6.20MAY/27/02
MAY/03/02 6.10 ADD ROUTING BY OUTPUT TUBES
NEW SOLDERMASK FOR TABS & RCA JACKS6.00JAN/15/02 D21,D22 6X 51V ZENER C60 220N->10u 450V
PC#6475 R105,R104-Q9 REPLACED BY D15,D18,D19,D205.00
4.00
.
3.00 PC#6326 HOLE SIZE FOR C53 .070"->.047"2.10FEB/23/01 2.00
6
3
#
4
5
1
2
VER#DATE
MODEL(S):- DESCRIPTION OF CHANGE
V
V
V
V
V
V
D
D
N
N
D
D
D
D
N
N
N
YCV40/YCV50BLUE
N
X8004 DRILL HISTORY
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE DESCRIPTION OF CHANGE
V
V
V
D
14.00
V
V
V
V
V
V
D
D
D
D
D
23-APR-2008
N
N
N
D
Released for Production
YCV40/YCV50BLUE
D
D
D
D
D
D
D
D
N
N
N
N
N
N
D
D
X8004 Version History

VCD
CLINCH
ORIGIN LONG AXIS
SHORT AXIS
INSERT
ORIGIN X8004
BlankSize - 18600x12800
v14.00
StepAndRepeat - [email protected]@6.400
Pcb Mech
v14.00YCV50BLUE M613
15K
1.0W
v14.00
Top Assy X8004
BlankSize - 18600x12800
SEE LAYOUT DOCUMENTATION
V
T
R
V
T
R
V
T
R
NOL
NCL
NOR
NCR
CL CR
GUIDE
ETCH
V
T
R
G1 G2
G3
SIG
RCA
NOL
NCL
NOR
NCR
CL CR
NOL
NCL
NOR
NCR
CL CR
+
-
NOL
NCL
NOR
NCR
CL CR
V
T
R
GUIDE
ETCH
NC NOC
V
T
R
RING
TIP-SW
TIP
SLEEVE
RING-SW
NOL
NCL
NOR
NCR
CL CR
G1 G2
G3
SIG
RCA
+
-
+
-
7 7 7
77
NC NOC
Master
BOOST
REVERB RTN
STANDBY
MASTER TREBLE
Bias
+Hi Reg +24 Reg
CHNL2
BRIGHT MID
CLEAN VOLUME
INPUT
CHANNEL
REVERB SEND
STANDBY
DRIVE
PRE-AMP
OUTPUT
CHNL1
BOOST
BASS MID BASS
SPLITTER
LINE_IN PWR-AMP-IN PRE-AMP-OUT
OUTPUT
EXTENSION
ON
REVERB
TREBLE
PRE-AMP
OUTPUT
3522
5865
5959
5959
5959
6541
3522
4425
4424
4517
3522
6730
5865
6731
5908
3522
5621
6435
4423
3700
4425
6451
3674
3921
3522
5865
3674
3674
6541
6399
4425
3732
3733
5907
5906
5882
4425
4423
5959
5902
5945
4425
3732
6398
4424
3700
4424
3674
Z352
5882
3732
3733
4423
270K
220K
220K
18K
1N5
1U
2N2
470N
330N
1N
1N
47K
33K
249K
470K
4N7
2N2
47K
4N7
470P
1K5
1K5
47K
113K
470P
470K
47K
1M
1K5
1M
10K
1M
4K7 4148
82N
620R 10K
100N
50V
22U
47P
220K
1K5
220R
1.0W
100R0
47N
10K
220R
1.0W 10K
2.0W
2R 2K2
820R 820R
1K
1.0W
220K
33K 100N
2K2
4148
10K
120K
2K2
120K
4007
10V0
100R
1.0W
100K
22N
400V
100N
4N7
100K
100K
3K3 27K
18K
2N2 1M
120K
47K
100R0
47R
100K
47K
10K
4148
100K
1N5
4K7
36K
4007
4007
4007
2N2
10K
1K
1.0W
Alternate
WHT
1M
100N
470P
2R
2.0W
2U2
63V
BC550C
MPSA06
4148
330K
330K
10U
63V
MPSA06
1K
25V
100U
1N
100K
100N
10U
450V
10U
450V 10U
450V
4007
36K
50V
22U
100K
4007
470R
4148
220P
NE5532N
100N
50V
22U
16V
100U
100N
16V
100U
50V
22U
10K
620R
Alternate
WHT
1N
100K
15A
500K
100K
47N
100R0
390R
5.0W
1B
100K
47R 2K
1/2W
1N
10K
120K
220K
4148
22K
Alternate
WHT
470R
IRF830
100N
2R
2.0W
150K 2.0W
100R
1.0W
TO220
7824
22N
400V
22K
1/2W
GRN
10U
63V
82K
Alternate
WHT
470U
63V
100N
100K
470N
275V
22N
15A
20K
470P
18K
120K
50V
22U
10K
NE5532N
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
220U
35V
22U
50V
BC550C
Alternate
WHT
47N 47N
4007
100N
4007
1M
2K2
50V
22U
220P
1K5 22N
400V
50V
22U
50V
22U
YEL
15A
500K
Val
Val
YEL
RED
BC550C
220N
250V
15A
500K 15A 20K
22U
50V
10U
450V
450V
82U
63V
10U
15A
500K
Val
RED
1B
100K
22U
50V
RELAY 2C
1B
100K
220N
250V
Val
Val
15A
20K
50V
R77
X65
C58
X66
X613
X613_
R76
C85
R51
5/5
2/5
1/5
v14.00
3/5
X8004
X8004 v14.00
YCV50BLUE
M581 YCV40
v14.00
YCV40
4
v14.00
v14.00
M613
YCV50BLUE
/5(M581/M613)
(M581/M613)
M581
X8004
Into Wave
M613
(M581/M613)
X5
R3
X3
R4
X6
X48
X47 R1
X49 C32
X8
X40
X59 X9
X46
X12
R103
X18
X17
R15
R16 X20
R12
X52
X64
X60
X23
R46
X55
R48
R45
X30
R49 D16
C51
R61 R97
C11 C10
C63
R5
R7
X7
R89
R95
C21
R25
R90 R32 X11
R91
X45 R27
R87
R86
R88
X44
R42
R53
X31
C45
R30
D15
R28
R9
R101
X37
X14
R10
D12
D13
R35
X43
R114
X36
X51
C49
X56
C68
X33 X32
X28
C64
R39
R38
R63 R40
R70
C75
R72
R68
X2
X4
R24
R83
R85
X22
R37
R64
R67
D1
R14
C18
R99
R75
X63
D5
D4
D6
X57
C30
R107
R54
W17
XF BLU
S4
W4
TO W1
BLK R2
C16
W35
W39
C71
R92
C69
Q7 Q11
D2
R98
R50
C25
Q3
R111
X61
C5
X16
C33
X19
R21
C57
C60
X39
C41
C40
D11
R113
W41
V2,V3_PL
ORN
X25
X53
LOC
BEC
W28
+HI
RED
X54
C4
R109
D3
R47
D17
C66
U2
W11
XF PRI
BLK
W9
XF PRI
BLK
C47
X27
C3
C8
C72
X26
C9
W6
TO W29
BLK
W7
TO W24
GRN
C6
J7
R108
R60
S3
X62
W2
TO W3
YEL
C80
W1
TO W4
BLK
W18
XF BRN
R23
P5
W3
TO W2
YEL
R22
C20
R96
R93
P2
W38
DC_FIL
GRY
R82
X10
R26
C46
R31
X13
R8
R41
D23
P12
S1
X
W20
TO W25
RED
X15
R102
Q8
C19
R100
X35
R104
X42
R33
Q1
X38
C24
R115
W24
TO W7
GRN
LD5
C44
R43
S6
C38
C48
W26
+HI
RED R36
C67
C53
P6
X29
W8
LINE BLK
C65
R119
R69
C2
R71
U1
R55
R19
K2
R20
R112
R29
P9
X21
R66
R59
R34
R11
R79
X50
X58
R84
C54
R110
D7
D9
R44
R18
R65
J1
W37 GND
GRN
Q2
C29
W21
to_DC_FIL
GRY
C70
Q6
S5
C23C22
D8
W25
TO W20
RED
W29
TO W6
BLK
C52
D10
R73
R74
W16
FIL
GRN
C15
C35
R17
C50
C7
W14
OUTPUT XF
BLK
J8
C14 LD1
P1
V1
W19
Out_XF_CT
RED
V4
LD3
LD4
Q12
C28
P3 P4
W40
ORN
to_V2,V3_PL
C56
C39
C55
C13
P7 V3
W27
FIL
GRN
W34
W5
J2
Gold
Gold
Gold
J3
Gold
Gold
Gold
J4
-
-
-
J5
-
-
-
J6
-
-
-
LD2
P11
W15
OUTPUT
GRN
W30 W36
GND
GRN
C12
K1
P8
W10
NEUT
WHT
XC148
C84
V2
W23
V5
W12
+24V
GRY
W13
+24V
GRY
P10
R58
R57
R78
C37
C1
C27
C26
C31
C81
R52
R13
R6
C34
R56
C83
C82
R106

M613 v14.00YCV50BLUE
D
NE5532N
SEE PRODUCTION NOTES
LEAD/PIN REFERENCE
SEE LAYOUT DIAGRAM
GSD
TO-220
IRF830
CEB
TO-92
BC550C
"STYLE_P32"
ECB
TO-92
MPSA06
4
2
-V
B
5
7
3
1
A
+V
6
8
P
1
4
G2
8
5
NC
H H
3
K
6
G1
2
NC
7
G3
6L6GB
2G
2K
1 9
1K
1G
4
H6
2
3
H
8
7
2P
5
HT
1P
12AX7A
12
9
6
3
#
13
11
10
5
4
8
7
2
1DATE
MODEL(S):- VER# DESCRIPTION OF CHANGE
D
D
D
V
V
V
N
N
N
D
D
D
D
D
D
V
V
V
V
V
V
N
N
N
N
N
N
X8004 Version History
YCV40/YCV50BLUE
23-APR-2008
D
D
D
14.00 Released for Production
D
D
D
D
D
NO1
NC1
NO2
NC2
COM1 COM2
3700_DRW
5
2
#
6
3
4
1DATE
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
FUNCTION KNOBREF
MODEL(S):- PART# AS OF
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
BASS
MID
MASTER
MID
BASS
TREBLE
CLEAN VOLUME
REVERB
.
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
.
X8004 POT LIST
YCV40/YCV50BLUE
PRES./MASTER

5. BIAS 350mV ACROSS R91
AND 350mV ACROSS R92
2. C53 IS 22N FOR BOTH NORTH AMERICA AND CE
3. C3,C7,C6 MUST BE LOW PROFILE PT#5631
4. C8,C9 MUST BE LOW PROFILE PT#5879
SEE LAYOUT DOCUMENTATION
PRODUCTIONNOTES
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
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

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:

YCV50BLUE m613 Service Update for V2.10 boards (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:

W C 1
LIV E
V4
O UT P UT -T UB E
6L 6B
C 53
250V AC
680N
C 41
R E D
W C 2
W HI T E
W C 3
B LA C K
W C 4
NE UT R A L
W C 5
G R N
W C 6
G R N
W C 7
S U P P LY
G R A Y
W C 8
+24V
W C 9
WC 1 0
R E D
WC 1 1
R E D
WC 1 2
B LU E
WC 1 3
B R O WN
E Y E 6
G R E E N
F
O UT P UT -T UB E
6L 6B
#3638
E Y 9
G R A Y
F
E Y E 5
B L K
F
R E D
T O E Y E 9
T O E Y 4
ME T A L _ B A C K
J B 1
IN P U T
E Y E 8
Y E L L O W
E Y E 7
B LAC K
TO _ E Y 7
TO _ E Y 8
E Y 2
R E D
F
E Y 4
B L K
F
R E D
J B 5
O UTP UT
J B 6
E X TE N S IO N
WC 14
WC 15
G R N
B L K
TO E Y 5
TO E YE 6
TR A NS F O R ME R
TR A NS F O R ME R
T O OU TP U T
T O OU TP U T
Y C V 5 0C E
E X P OR T AC
WIR ING

1324E
1324M
G R AY
G R E E N
G R E E N
G R A Y
W H IT E
B L U E
B R O W N
B LA C K
R E D
R E D
R E D
G R E E N
B L UE
B R O W N
B L AC K
G R E EN
G rn/Y el wire
soldered to ground lug
April 14/05
By G.K