4N35
NE5532N
SEE LAYOUT DIAGRAM
LEAD/PIN REFERENCE
5. R63 #6467: APPLY THERMAL
COMPOUND GENEROUSLY
BETWEEN PART AND HEATSINK
6. NA: BIAS 350mV ACROSS R91
AND 350mV ACROSS R92
CE: BIAS 300mV ACROSS R91
AND 300mV ACROSS R92
PRODUCTION NOTES
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
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
G
S
D
TO-220
IRF830
E
C
B
MPSA56
TO-92
MPSA06
P
1
4
G2
8
5
NC
H
H
3
K
6
G1
2
NC
7
G3
2G
2K
1
9
1K
1G
4
H
6
2
3
H
8
7
2P
5
HT
1P
C
E
B
TO-92
BC550C
E B
C
TO-126
MJE340
NO1
NC1
NO2
NC2
COM1 COM2
3700_DRW
KNOB
PART#
FUNCTION
REF
MODEL(S):-
AS OF
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
.
YCV50 TUBE AMP
M613 POT LIST
MASTER VOLUME
23/04
"STYLE_P32"
13
12
11
10
9
DESCRIPTION OF CHANGE
5
4
3
2
1
#
VER#
DATE
MODEL(S):-
8
7
6
M613 REVISION HISTORY
YCV50
SEPT-23-2004 1.00
GT:DERIVED FROM M581 V11.00
OCT-15-2004 2.00
GT: PC#6748 R101 -> 2K2 (4847), R55 -> 4K7 (4827), D24 ->
20V0 (6465), ADD R104: 150K/2W (4790)
.
.
.
Increased route cutaway on preamp board
.
.
.
R53->3K9 (4850), R62->270K (4879), C19->100N (5865)
DEC-02-2004 .
GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER
MAR-04-2005 2.10
GT:PC#6836:R78 27K #4833 --> 18K7 #5021 for bias
.
.
GT:PC#6865:STDBY FIX, ADDED #4599 x 3 AND #5299 x 1
2.20
APR-26-2005
GT:PC#6889: X61 #4599 --> 1K #4823 RESISTOR
3.00
MAY-27-2005
GT:PC#6886:ADD #4520 TRIMPOT 10K, R78->#4876 16R
.
.
AH: Moved some parts, Autoinsert needs more space
.
.
.
.
PC#6965, MOVE ARC TRACE AWAY FROM TUBES
PC#6937, MODIFY TUBE SOCKET ROUTING AND DRILLING
11
8
5
2
12
9
6
13
10
7
3
4
1
D
V
N
D
D
D
V
V
V
N
N
N
.
.
PC#6967, INCREASE CLEARANCS NEAR OUTPUT TUBES
.
.
SPACED W8 TRACE 6MM FROM SCREW HOLE
BALVINDER CORRECTED TESTNODE PADS
4.00
.
DEC-14-2005
NOV-25-2005
PC#7041:GT:UPDATED BIAS NOTE FOR R91&R92
UPDATED K1,K2 FOR CLINCH
.
.
.
PC#7053:GT:R53 4850 3K9->4864 2K7, NEW BIAS FOR CE
3.01
.
PC#7125:GT:CHANGE #3914 RCA JACK TO #6541.
.
MAY-17-2006
.
PC#7091:ENLARGE HOLE SIZE FOR #3522 KINK LEADS (S3
TO S6)
.
.
5
2
#
6
3
4
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
D
D
V
V
N
N
D
D
D
D
V
V
V
V
N
N
N
N
M581 DRILL HISTORY
YCV50
4
1
6
5
3
#
2
MODEL(S):-
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
X
X
PC
PC
PC
PC
PC
PC
M581 PENDING CHANGES
YCV50
X
X
11
8
5
2
12
9
6
13
10
7
3
4
1
D
D
D
D
V
V
V
V
N
N
N
N
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
N
PCB
2 of 3850
Lots of goop
on the thermistor.
2 of 8741
2 of 8701
Z352
3796 on this
device only.
2 of 8829
- to hold z352 in place
