Traynor YCS90 - Page 6

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: Rev: YsType:YS1067,4
M1294V200sch.sch2002
M1294
Switching
Thu Feb 14, 2008 2.00
YCS50/90 Preamp
of
Filename:
PCB# Sheet 32
Product
Date: Rev: YsType:YS1067,4
M1294V200sch.sch2002
M1294
Switching
Thu Feb 14, 2008 2.00
YCS50/90 Preamp
-15V
+15V
LVGND
A
+15V
B
+15V
D
-15V
R23
1/4W
22K
.
-15V -15V
R60
1/4W
2K2
MINI
R44
1/4W
2K2
MINI
R22
1/4W
22K
.
1/4W
10K
R63
.
LVGND
LVGND
+15V
LVGND
C
R30
2.0W
2K2
.
-15V
TO92
MPSA06
Q5
5103
D2
4148
C28
63V
2U2
D1
4148
TO92
BC550C
Q7
5101
1/4W
10K
R32
.
R45
1/4W
.
1K
TO92
BC550C
Q6
5101
1/4W
10K
R31
.
LD4
GRN
5908
CH2
TO92
BC560C
Q16
5102
4148
D19
R46
1/4W
4K7
.
1/4W
10K
R48
.
R36
1/2W
2K
.
R38
1/4W
47R
.
LVGND
S2:A
3522
DOWN UP
AlternateCH-SELECT
S2:B
3522
DOWN UP
AlternateCH-SELECT
LVGND
R25
1/4W
100K
.
Q19
5102
TO92
BC560C
R53
1/4W
2K2
MINI
R65
1/4W
.
470K
R66
1/4W
.
470K
Q20
5102
TO92
BC560C
R67
1/4W
.
470K
BC
TO-92
MPSA63
MPSA43
2N5551
E
MPSA56
MPSA06
MPSA13
2N5401
SG
TO-92
2N5638
D
J109
3700
K1:C
TO92
MPSA06
Q4
5103
R47
1/4W
4K7
.
1/4W
10K
R42
.
R39
1/4W
47R
.
R35
1/4W
4K7
.
TO92
BC560C
Q15
5102
S3:A
3522
DOWN UP
AlternateBOOST
D10
1N5240BRL
0W5
10V0
R21
1/4W
22K
.
C20
63V
100N
1/4W
10K
R62
.
C21
63V
100N
6882_PC
R37
1/4W
220R
.
C27
400V1N
LD1
RED
5906
BOOST
R33
1/4W
.
10K
3700
K2:C
C25
50V
22U
R34
1/4W
.
10K
LD2
YEL
5907
CH1
R61
1/4W
.
1K
R40
1/4W
100R
.
C26
63V100N
S TR
J6
Gold
GoldGold
RVB/EFX DFT
Q12
5101
TO92
BC550C
BE
TO-92
BC560C
C
BC550C
"STYLE_P32"
TO92
MPSA06
Q3
5103
DOWN UP
S3:B
3522
Alternate BOOST
"STYLE_P28"
R64
1/4W
.
470K
4148
D21
C22
63V
100N
ST R
Gold
Gold Gold
J2
FT.SWITCH
4148
D23
4148
D22
4148
D24
REF KNOBPART#
MODEL(S):-
FUNCTION
TREBLE
BASS
MID
CL GAIN
OD GAIN
TREBLE
BASS
MID
OD VOLUME
Resonance
MASTER VOLUME
Send Level
8431
8431
8431
8431
8431
8431
8431
8431
8431
8431
8431
8431
N
N
N
N
N
N
N
N
N
N
N
N
{NEW}
4424
4425
4423
4425
4425
4424
4425
4423
4425
4425
4423
4417
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
YCS50/90
Potlist
FX Ret 1
Presence
REVERB1
CL VOLUME
REVERB2
FX Ret 2
BOOST LEVEL
F
F
F
F
F
K
K
K
K
K
N
N
N
N
N
N
N
N
N
N
N
N
4423
4423
4423
4425
4423
4423
4425
P
P
P
P
P
P13
P14
P15
P16
P17
P18
P19
R
R
R
R
R
8431
8431
8431
8431
8431
8431
8431
12
9
6
3
13
10
11
7
4
1
2
5
8
V
V
V
V
V
V
V
V
V
V
V
V
V
D
D
D
D
N
N
N
N
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE DESCRIPTION OF CHANGE
V
V
V
V
2.00
1.01
.
D
D
.
N
N
CUT R91 CONNECTION AND RECONNECT IT TO W30 P4
PC#7336, CHANGE R74 FROM 47K,#4834 TO 120K, #4851
MODEL
D
2007/12/10
.
N
N
PC#7446, ONLY FOR YCS90, REMOVE R256 AND R257
REVISED BOARD PER PC#7333
CHANGE R100 FROM 27K, #4833 TO 33K, #4840
CHANGE R98 FROM 2K2, #4847 TO 4K7,#4827
Change R91 from 47R to 33R, #4816
. . PC#7298, Change R94 from 180k to 82k, #4837 and
2007/02/08 1.00
D
M1294 PCB_DATABASE_HISTORY
PC#7287, replace input eyelets with RCA jacks #6541
.
.
.
..
.
.
.