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
3
1
Product
Date:
V2.00
M1321-2v00.sch2002
M1321
Sheet1
Fri May 05, 2006
Rev:
YCV15BLUE
of
Filename:
PCB#
Sheet
3
1
Product
Date:
V2.00
M1321-2v00.sch2002
M1321
Sheet1
Fri May 05, 2006
Rev:
YCV15BLUE
+150V
GND
GND
PL1
1330M
-15V
-15V
+15V
+150V
R8
1/
4W 22K
.
GND
R67
1/
4W 47K
.
SCRN
+15V
GND
R65
1/
4W 2K2
.
R62
1/
4W 4K7
.
GND
C65
50V
22U
+15V
R55
1/
4W 47R
.
R3
1/
4W 1M
.
R56
1/
4W 47R
.
C61
100N
50V
0.7Vdc
93Vdc
TL072C
C46
4N7
250V
83Vdc
103Vdc
103Vdc
C12
1N
400V
C40
63V
100U
GND
270Vdc
X39
PL2
GND
-15V
-15V
+15V
1N5240BRL
10V0
D16
0W5
GND
GND
R9
1/4W
.
100K
C4
6N8
100V
GND
W22
GRN
CHGND
.
93Vdc
C8
1N
400V
V1:B
2X_TRIODE_HCT
{Body}
12AX7
PREAMP
W31
YEL
IN
.
W32
YEL
IN
.
R12
1/4W
FLMP
2K21
R20
1/
4W 2M2
.
0.7Vdc
R14
1/
4W 100K
.
C47
100N
100V
R81
1/
4W 1M
.
R83
1/4W
.
10K
R98
1/
2W 680R
.
R97
1/
2W 680R
.
0.7Vdc
+150V_RAW
+150V_RAW
R79
1/
4W 82K
.
W14
BLU
JACKS+
.
R24
1/4W
.
220K
C16
47N
100V
C17
1N
400V
C15
100N
100V
R77
1/4W
.
820R
R75
1/
4W 470K
.
R76
1/4W
.
820R
R74
1/
4W 470K
.
R73
2.0W
.
220R
R104
2.0W
.
220R
W16
BLU
SPKR+
.
1/4W
.
10K0
R100
R29
1/4W
.
47R
R2
1/
4W 1M
.
3682
W2
BRN
PLATE
R84
1.
0W 220R
FLMP
3682
W1
BLU
PLATE
W15
BLK
JACKS-
.
W20
BLK
SPKR-
.
W29
BLK
JACKS-
.
1/4W
.
10K0
R101
U1:A
TL072
C23
220P
100V
R30
1/4W
.
470K
DOWN
UP
S4:A
3522
STANDBY
Alternate
50V
C26
22U
R49
1/4W
.
620R
C63
50V
22U
C64
50V
22U
GND
X46
C62
47N
100V
C34
100P
100V
R63
1/4W
.
220K
C54
100V
100N
C57
100V
100N
Q7
5103
TO92
MPSA06
Q6
5103
TO92
MPSA06
D3
4148
LD1
CLN
GRN
5908
1/4W
6K8 R40
.
3700
K1:C
R88
1/
4W 100K
.
R34
1/4W
.
10K
Q8
5102
TO92
BC560C
C22
100N
100V
R45
1/
4W 10K
.
R44
1/4W
.
10K
R47
1/
2W 1K
.
Q5
5102
TO92
BC560C
C21
100N
100V
R38
1/4W
.
10K
4148
D2
1/
2W
.
2K2
R96
Q10
5104
TO92
MPSA56
4148
D6
Q9
5103
TO92
MPSA06
D5
4148
R57
1/4W
.
470R
C30
220P
100V
R54
1/4W
.
4K7
LD3
BOOST
RED
5906
LD2
OD
YEL
5907
R35
1/
2W 1K
.
C32
10N
100V
R60
1/4W
.
10K
R59
1/4W
.
10K
C28
50V
22U
C27
50V
22U
N
E
T
00050
R33
1/4W
.
47K
R32
1/4W
.
47K
BC550C
C B E
C5
400V
2N2
TO92
E B C
C6
63V
330N
R16
1/
4W 113K
.
R17
1/
4W 1K54
.
R15
1/
4W 1M
.
C2
22N
100V
R4
1/
4W 1K
.
3700
K1:B
C18
100V
470P
C14
400V
1N
P4:A
4425
M
15A
500K
CLN DRV
R82
1/
4W 1M
.
C58
100V
470P
C9
50V
22U
C3
100N
250V
C10
400V
1N
R7
1/
4W 113K
.
R6
1/
4W 1K54
.
R21
1/
4W 1M
.
W30
BLU
JACKS+
.
R78
1/
4W 100K
.
C13
63V
330N
1/
4W
562R
R103
.
1/
4W
562R
R102
.
C24
100V
22N
C39
100V
6N8
1/4W
.
100K
R28
1/4W
.
100K
R27
M
15A
P7:A
4425
500K
OD VOL
R85
1.
0W 220R
FLMP
K3:A
3696
R48
1/4W
.
100K
3682
W18
BLK
SPKR-
1/
4W
MIN
I
470R
R95
C35
63V
150N
D4
4148
R36
1/
4W 47R
.
R39
1/
4W 10K
.
R46
1/
4W 75R
.
8
V+
4
V-
U1:C
R37
1/
4W 100R
.
R42
1/
4W 220R
.
C31
100V
100N
8
V+
4
V-
U2:C
R58
1/
4W 15R
.
DOWN
UP
S2:A
3522
CH SEL
Alternate
W24
GRN
CHGND
.
R61
1/
4W 100K
.
R50
1/4W
.
620R
C25
50V
22U
RING
J1
INPUT
"STYLE_P32"
3696
K3:B
C45
22N
400V
PLATE
8.0Vdc
270Vdc
0.8Vdc
C11
2N2
400V
NET00037
D15
1N5240BRL 10V0
0W5
NET00057
R68
1/4W
.
4K7
R11
1/4W
.
220K
R10
1/4W
.
220K
R89
1/
4W 100K
.
89Vdc
W34
BLK
INGND
.
V1:A
2X_TRIODE_HCT
{Body}
12AX7
PREAMP
DOWN
UP
S1:B
3522
BRIGHT
Alternate
S1:A
3522
DOWN
UP
BRIGHT
Alternate
{Body}
V3:B
12AX7
R80
1/4W
.
470R
3682
RED
HI V
W3
3682
W17
GRN
SPKR+
22N
400V
C44
S6:A
3436
INT. SPKR. DEFEAT
R99
5.
0W 100R
.
3923
J9
D.I. OUT
V2:A
2X_TRIODE_HCT
{Body}
12AX7
PREAMP
P1:A
4424
M
1B
100K
TREBLE
C33
100V
100N
R66
1/
4W 220K
.
U1:B
TL072
R52
1/4W
.
10K
R51
1/4W
.
10K
C29
220P
100V
C59
100V
470P
R53
1/4W
.
4K7
C20
100V
100N
S3:A
3522
DOWN
UP
BOOST
Alternate
R43
1/
4W 4K7
.
C19
100V
100N
D1
4148
S
T
R
J8
Gold
Gold
.
EXTERNAL SPKR
D S
G
TO-220
IRF830
S
T
R
J2
-
-
-
HEADPHONES
K2:A
3696
3700
K1:A
W33
BLK
INGND
.
C1
63V
1U
C7
400V
1N
R5
1/
4W 113K
.
R18
1/
4W 1M
.
R13
1/4W
.
100K
P5:A
4425
M
15A
500K
OD DRV
S6:B
3436
INT. SPKR. DEFEAT
V3:A
{Body}
12AX7
PENTODE_S_9BE
{Body}
V5:A
6BQ5
OUTPUT
PENTODE_S_9BE
V4:A
{Body}
6BQ5
OUTPUT
R23
1/
4W 113K
.
R22
1/
4W 1K54
.
R25
1/
4W 220K
.
R26
1/
4W 100K
.
P2:A
4425
M
15A
500K
BASS
P3:A
4423
M
15A
20K
MID
M
15A
P6:A
4425
500K
CLN VOL
U2:B
TL072
R64
1/
4W 18K
.
M
1B
P8:A
4424
100K
REVERB
6541
J6
RCA SNGL PCB MT HORZ K901
REV RTN
6541
J7
RCA SNGL PCB MT HORZ K901
REV DRV
3696
K2:B
S2:B
3522
DOWN
UP
CH SEL
Alternate
R19
1/
4W 100R
.
R31
1.
0W 1K
Mini
R41
1/
4W 4K7
MINI
S
T
R
Gold Gold
.
AMP IN
J5
3696_DRW
S
T
R
Gold Gold
.
FT SW
J3
S
T
R
-
-
-
PRE OUT
J4
NODE VOLTAGE TEST CONDITIONS
LINE VOLTAGE: 120Vac
OUTPUT LOAD: 8 OHMS
NO INPUT SIGNAL APPLIED
DOWN
UP
S3:B
3522
BOOST
Alternate
V2:B
2X_TRIODE_HCT
{Body}
12AX7
PREAMP
U2:A
TL072
1
2
3
5
4
T2
BLU
BLK
GRN
BRN
RED
3700_DRW
