YORKVILLE YCV40/T Service Manual page 15

A B C D
1
X8004 Version History
MODEL(S):-
YCV40/YCV50BLUE
# DATE VER# DESCRIPTION OF CHANGE
2
1 23-APR-2008 14.00 Released for Production
2 . PC7625,M581 R78 27K>18K#4831.M613 R78 18K>15K#4830
3 . . PC7649, CHANGE P12 22K #4517 TO 10K #4520
4 17-OCT-2014 V15 Double sided. removed eyelets, and added radial tabs
5 D V N
6 D V N
3
7 D V N
8 D V N
9 D V N
10 D V N
11 D V N
12 D V N
13 D V N
4
XC146
X8004 POT LIST
5 YCV40/YCV50BLUE
MODEL(S):-
REF FUNCTION PART# KNOB AS OF
P1 DRIVE #4425 #8430 11/00
P2 TREBLE #4424 #8430 11/00
P3 BASS #4425 #8430 11/00
P4 MID #4423 #8430 11/00
6
P5 MASTER #4425 #8430
11/00
P6 MID #4423 #8430 11/00
P7 BASS #4425 #8430 11/00
P8 TREBLE #4424 #8430 11/00
P9 CLEAN VOLUME #4425 #8430 11/00
P10 PRES./MASTER #4423 #8430 11/00
7 P11 REVERB #4424 #8430 11/00
. . . . .
X8004 DRILL HISTORY
MODEL(S):-
YCV40/YCV50BLUE
# DATE VER# DESCRIPTION OF CHANGE
8
1 D V N
2 D V N
3 D V N
4 D V N
5 D V N
6 D V N
9
X8004 PENDING CHANGES
MODEL(S):-
YCV40/YCV50BLUE
# PC# PENDING CHANGE
1 PC X
10
2 PC X
3 PC X
4 PC X
5 PC X
6 PC X
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
11
12
13
14
IRF830
MPSA06 BC550C
15
16
C B E
E B C
G D S
TO-92 TO-92
TO-220
"STYLE_P32"
17
A B C D
E F G H I
E F G H I
J K L M
3700_DRW
J K L M
N O P Q R
MODEL(S):-
YCV40
# DATE VER#
1 NOV/02/00 1.00
2 NOV/08/00 .
3 DEC/14/00 2.00
4 FEB/23/01 2.10
5 APR/30/01 3.00
6 . .
7 MAY/25/01 .
8 JUN/21/01 4.00
9 NOV/30/01 5.00
10 . .
11 JAN/15/02 6.00
12 MAY/03/02 6.10
13 MAY/27/02 6.20
1 JUN/24/02 6.30
2 JUL/04/02 7.00
3 SEP/03/02 7.10
4 MAR/17/03 8.00
5 MAR/27/03 9.00
6 AUG/25/03 10.00
7 NOV/12/03 10.01
8 DEC/03 11.00
9 OCT-15-2004 .
10 . .
11 DEC-02-2004 .
12 JUN-15-2005 12.00
13 . .
1 . .
2 . .
3 DEC-14-2005 12.01
4 MAY-18-2006 13.00
. .
5
6 . .
7 . .
8 . .
9 D V
10 D V
11 D V
12 D V
13 D V
N O P Q R
S T U V
1
M581 PCB HISTORY
DESCRIPTION OF CHANGE
2
FIRST PRODUCTION
PC#6305 R63 2K2->3K3 R40 24K->27K
PC#6311 ADD D16,D17,R97 AT U2
PC#6326 HOLE SIZE FOR C53 .070"->.047"
PC#6419 ADD Q12,R103 R50 2M2->680K
R100 10R 1W->1R 1/4WFP R101 10R/1W->820R 1/4W
3
PC#6407 R103 680K->1M
PC#6420 ADD R100 220K 2W ACROSS C55
PC#6475 R105,R104-Q9 REPLACED BY D15,D18,D19,D20
D21,D22 6X 51V ZENER C60 220N->10u 450V
NEW SOLDERMASK FOR TABS & RCA JACKS
ADD ROUTING BY OUTPUT TUBES
PC#6537 R71 2K2->3K3 P11 20KA->100K
4
PC#6539 R106 100K->47K
PC#6545 MOVE X57 AND C60
PC#6562 R106 47K->100K D15->J76
MOVE AC TABS APART FOR CE COMPLIANCE
MOVE BREAKAWAY PCB'S TO AID ASSEMBLY
PC#6624 UPDATE 9 PIN TUBE SOCKETS 5
TRACE ARTWORK FIXED MANUALLY
CONVERT TO PCAD 2002
GT:PC#6744 & 6748: APPLIED YCV50 STANDBY
CHANGES (SEE YCV50 V2.00 SCHEMATIC FOR DETAILS)
GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER
AH, PC#6866, ADD CONNECTION PREAMP-STANDBY
6
#6933, CHANGE R78 TO 27K AND ADD TRIM POT 10K
PC#6965, MOVE ARC TRACE AWAY FROM TUBES
PC#6967, INCREASE CLEARANCES NEAR OUTPUT TUBES
PC#7053:GT:R53 4850 3K9 -> 4864 2K7
PC#7125:GT:J7&J8 #3914 RCA JACK->#6541. PC#7091
ENLARGE HOLES FOR S3-S6 #3522 FOR KINK LEADS
7
MOVE C3 FOR DEPT -59 FOR COLLISION AVOIDANCE
MOVED W8 TRACE AWAY FROM SCREW HOLE, MOVED
XC50 BREAKAWAY DOWN IN LINE WITH XC54
N
N
N
N 8
N
9
10
11
12
13
14
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Product
YCV40/YCV50BLUE
DRW/Tables
PCB# X8004 Sheet 5 of 5
Date: Mon Oct 20, 2014 Rev: V15 YsType:
17
Filename: X8004V15sch.sch2006
S T U V