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
4
4
Product
Date:
Rev:
YsType:Yorkville
M1500V02sch.sch2006
M1500/A
Wed Jun 20, 2012
POWER SUPPLY
V02
AG
AG
-15V
AG
AG
+15V
AG
D9
4148
D8
4148
R93
1/
4W
.
10K0
-15V
+15V
-15V
1/
4W 3K3
R94
.
+15V
C20
160V
10U
AG
AG
+15V
6A2
D44
D40
6A2
1N4732A
4V7
D21
1W0
AG
-38VDC
+38VDC
FET-CTRL
SG
IG
4148
D11
R100
6619
NTC
10K
R101
6619
NTC
10K
BLK
SW
W11
R92
1/
4W
.
470K
AG
R97
1/4W
MINI
1K0
BLK
W1:B
2
RED
W1:A
2
R98
1/4W
FLMP
11R3
R99
1/4W
FLMP
11R3
1/
4W 470K
R104
.
1/
4W 47K
R103
.
4148
D12
1/
4W 2K49
R105
.
R114
6619
NTC
10K
D59
6A2
D43
6A2
D50
6A2
D41
6A2
6A2
D42
D45
6A2
1/
4W 4K7
R130
.
4148
D36
R128
1/4W
.
1M
1/
4W 1K3
R111
.
1/
4W 78K7
R110
.
1/
4W 10K0
R109
.
4V7
D20
1W0
1N4732A
F3
T6.3 AMP
F4
T6.3 AMP
1/
4W 22K
R108
.
Q8
5104
TO92
MPSA56
IN
REF
OUT
6872
U9
MC7815CT
TO220
1/
2W 15K
R165
.
R90
1/
4W
MINI
20K0
R91
1/
4W 20K0
MINI
IEC_RECT
63V
C28
2U2
250V
C65
4N7
275V
C61
22N
8
V+
4
V-
U13:C
6
4
3
5
2
1
4097
63V
C64
1U
1N5254B
D33
0W5
27V0
TO92
Q7
5113
MPSA42
6884_PC
4007
D39
1/
4W 14K0
R126
.
63V
C49
1U
Q9
5113
MPSA42
TO92
6880_PC
63V
C48
2U2
4148
D13
IN
REF
OUT
MC7915CT
TO220
6871
U11
1/
2W 15K
R166
.
C
TO-221D
MJF6388
B
E
MJF6668
GRY
RED
YEL
RED_
GRY_
CH1413U
B E
TO-92
BC560C
C
BC550C
S G
TO-92
2N5638
D
J109
6804_PC
+38VDC
DNBH
1N5225B
3V0
D14
0W5
-79VDC
+79VDC
W10
AC
WHT
F1
CE-T 2.5AMP-230V
CSA-5 AMP- 120V
2
1
SPST Switch
S1
POWER
4148
D10
C21
100V
47P
R95
1/4W
MINI
20K0
R96
1/4W
.
390K
2
W3:B
2
1
W3:A
2
230V
2
3
W4:B
1
3
W4:A
2
W2:B
2
63V
C72
100N
T221D
Q5
MJF6388
6882_PC
50V
C56
33P
3V0
D15
0W5
1N5225B
R188
1.0W
FLMP
1R
1/
2W 15K
R164
.
3
6
W6:C
6
6
W6:F
4
6
W6:D
5
6
W6:E
1/
2W 15K
R163
.
80V
C68
4700U
R112
1/4W
.
82K5
R107
1/4W
.
100K
63V
C57
1U
100V
C59
5600U
7
6
-
5
+
U13:B
NE5532N
W30
GRN
CHASSIS-GND
63V
C27
100N
1
2
-
3
+
U13:A
NE5532N
1
2
FAN1
3
3
W4:C
1
W2:A
2
120V
2 1
3575_2
3 2
1
3575
WHT
YEL/BLK
BRN
50V
C50
33P
R189
1.0W
FLMP
1R
2
6
W6:B
1
6
W6:A
4007
D38
R106
1/4W
.
1M
Q6
5102
BC560C
TO92
80V
C70
4700U
63V
C51
1U
6745_PC
Copper
Tie Here
Tie-net Name
100V
C62
5600U
D S
MTP10N15
MTP12P10
IRL2910
MTP2P50E
IRF830
IRF4905
IRF720
G
TO-220
MTP8P20
IRF5210
MTP23P06
IRF822
B C
TO-92
MPSA63
MPSA43
2N5551
E
MPSA56
MPSA06
MPSA13
2N5401
BLU
BLK
XF1:A
DNB112/DNB115/DNB208/DNB210
INPUTS[I6]
AMP[B1]
AG = AMP GROUND
IG = INPUT GROUND
SG = SIGNAL GROUND
6840_PC
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE
DESCRIPTION OF CHANGE
V
V
V
V
V1.00
V
V
V
V
V
V
V
D
D
D
D
SEPT-2011
N
N
N
Dynabloc
D
D
D
D
D
D
D
N
N
N
N
M1500-.PCB_DATABASE_HISTORY
SEVERAL CHANGES SEE PC-#8378,#8429,#8432.
C84 220P TO 2N2 #5208; R150 20K TO 14K #4775
J7 TO #3498
N
N
15-MAY-2012 V02
ADD C82 10U, R78 470R, P2A CONNECTION CHG
REF
KNOB
PART#
MODEL(S):-
FUNCTION
EC179
R
R
R
R
R
P5
P6
P8
P2
P3
P4
P1
F
F
F
F
F
BASS
HI-MID
MASTER
LOW-MID
TREBLE
K
K
K
K
K
9923
9923
9923
9923
9923
9923
9923
P
P
P
P
P
4453
4453
4417
4453
4453
4452
M1500-.PCB_DATABASE_HISTORY
N
N
N
N
N
N
N
N
N
N
N
{NEW}
N
Dynabloc
4455
LOW EXPANDER
GAIN
