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
Product
Date:
Filename:
PCB#
M1320-P2.sch2002
TB50
Tue Mar 09, 2010
M1320-CH
of
Sheet
Rev:
2
2
V1.00p2
Product
Date:
Filename:
PCB#
M1320-P2.sch2002
TB50
Tue Mar 09, 2010
M1320-CH
of
Sheet
Rev:
2
2
V1.00p2
IG
IG
22N
IG
AG
-15V
W6
IG
C35
275V
1/
4W
R18
.
100K
IG
AG
IG
1/
4W
2K2
R44
.
1/
4W
47K
R9
.
1/
4W
15K
R39
.
GRN
250V
W5
4N7
C45
275V
22N
IG
W4
W14
IG
1N5402
D4
R10
1/4W
.
680R
-33VDC
AG
-15V
AG
IG
AG
IG
AG
IEC_RECT
S
T
R
Gold
.
.
J2
INPUT
C14
W12
WHT
AC
W5
4N7
250V
C14
R4
1/4W
.
10K
50V
C3
680P
R64
1/4W
.
47K
W10
CHASSIS-GND1
GRN
IG
W3
DUMMY
YEL
W8
D3
0W5
22V0
1N5251BRL
1/
4W
1M
R5
.
C2
16V
33U
+15V
R8
1/4W
.
680R
-15V
8
V+
4
V-
U3:C
+15V
-15V
1N5402
D6
220N
250V
C47
D1
4007
D2
4007
C6
16V
10U
50V
C21
2200U
AG
4148
D8
AG
+33VDC
R15
1/4W
.
3K3
R13
1/4W
.
15K
C38
63V
2U2
25V
C23
100U
AG
AG
C13
50V
680P
R17
1/4W
.
3K3
R12
1/4W
.
15K
100V
C39
100N
100V
C40
100N
1/
4W
100K
R27
.
50V
C25
680P
50V
C24
22U
100V
C10
100P
63V
C43
100N
1/
4W
2K2
R29
.
1/
4W
2K2
R35
.
1/
4W
1K8
R1
.
1/
4W
22K
R3
.
R23
1/4W
.
22K
1/
4W
10K
R19
.
1/
4W
270R
R46
.
25V
C29
68U
1/
4W
3K3
R36
.
U1:A
MC33078P
8
V+
4
V-
U1:C
+15V
C15
100V
100P
1/
4W
47R
R47
MINI
100V
C31
15P
BD139
6774
Q2
TO126
.
TO92
BC550C
Q4
5101
1/
4W
1K
R20
.
IG
R26
1/4W
.
22K
R25
1/4W
.
22K
C16
50V
3N3
R54
1/4W
.
4K99
+15V
-15V
-33VDC
5.
0W
0R27
R48
+33VDC
R34
1/4W
MINI
4K99
R33
1/4W
MINI
4K99
W2
SPKR-
BLK
R60
1/4W
.
249R
F2
CSA-.8 A / 120 V
CE- T400mA / 230 V
SW
BLK
W12
R66
1/4W
.
47K
5
4
2
1
3
T1
T30GR
120 VAC
60 Hz
R11
1/4W
.
100R
R6
1/4W
.
2K2
1N5402
D7
1N5402
D5
R7
1/4W
.
2K2
1/
2W
4K7
R2
.
50V
C20
2200U
R22
1/4W
.
1M
63V
C19
2U2
R14
1/4W
.
3K3
25V
C22
100U
TO92
Q1
5119
2N5638
R16
1/4W
.
3K3
100V
C36
100N
100V
C37
100N
U2:B
TL072
TO92
BC560C
Q5
5102
63V
C42
100N
R45
1/4W
.
10K
R53
1/4W
.
3K3
1/
4W
680R
R37
.
R24
1/4W
.
22K
50V
C17
100N
R55
1/4W
.
10K0
R57
1/4W
.
12R
R59
1/4W
.
12R
U1:B
MC33078P
5.
0W
0R27
R49
W1
RED
SPKR+
R51
1/4W
.
249R
CHASSIS GND
S2
C1
50V
4N7
-15V
C27
100V
10P
R41
1/2W
.
1K8
+15V
C12
50V
680P
C11
50V
6N8
IG
TP2
TP1
C26
50V
33N
IG
RED
W9
275V
C35
22N
W6
CHASSIS GND
GRN
LD1
BLU
6554
POWER
XFMR
BLK
W4
AG
RED
W7
C46
50V
22U
1/
4W
10K
R21
.
C8
16V
10U
50V
C4
100N
C5
50V
330P
R30
1/4W
.
10K0
R28
1/4W
.
10K0
U3:B
TL072
U3:A
TL072
63V
C44
100N
+15V
R42
1/2W
.
1K8
1N5246B
D10
0W5
16V0
X3
R40
1/2W
.
1K8
M
4420
P4:A
50K
B LIN
TREBLE
50V
C7
6N8
C9
50V
22N
M
4420
P5:A
50K
B LIN
BASS
50V
C33
1N
1/
2W
22R
R52
.
50V
C32
100N
CUT OUT R38,R39 UNTIL
2 TO 4mV IS ACROSS
TP1 AND TP2 WITH AMP COLD
5.
0W
100R
R61
.
50V
C30
1N
R31
1/4W
.
10K0
AG
63V
C18
1U
XFMR
BLK
W14
8
V+
4
V-
U2:C
U2:A
TL072
M
4418
P1:A
10K
5C R/A
VOLUME
R43
1/2W
.
1K8
R50
1/4W
.
47K
TO92
BC560C
Q3
5102
1N5246B
D9
0W5
16V0
63V
C41
100N
63V
C28
4U7
M
4420
P3:A
50K
B LIN
MID
1/
4W
10K
R38
.
TIP142
Q6
6902
TO218
6903
Q7
TIP147
TO218
250V
C34
10N
R32
1/4W
.
10K0
U4:A
TL072
8
V+
4
V-
U4:C
WOOFER
4R 10IN
SP2
3923
J4
BAL-LINE OUT
EUROPEAN POWER SUPPLY
AG = AMP GROUND
IG = INPUT GROUND
S
T
R
.
.
Gold
J3
HEADPHONE
R
L
Wht ON TOP
PCB MT HORZ
J1
3456
RCA I/P
STACKED
U4:B
TL072
REF
KNOB
PART#
MODEL(S):-
FUNCTION
R
R
R
R
R
R
R
R
P3
P4
P5
P1
F
F
F
F
F
F
F
F
MID
TREBLE
BASS
VOLUME
K
K
K
K
K
K
K
K
K
K
K
K
P
P
P
P
P
P
P
P
4420
4420
4420
4418
M1320-P2
N
N
N
N
N
N
N
N
N
N
N
{NEW}
N
EC41
TB50
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