Marshall Amplification DSL40CR Service Manual

MAIN PCB - FIG. B VOLTAGES
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
1 3
DSL40/100 MK2 Main PCB
DSL100M2-60-02
9
07/06/2018DSL100M2-60-02-v9 Page1.SchDoc
TITLE
DWG. No.
Date:File:
ISS Sheet
of
C MARSHALL AMPLIFICATION PLC
TEL (01908) 375411 FAX (01908) 376118
DENBIGH ROAD, BLETCHLEY, MILTON KEYNES, MK1 1DQ.
DSL100M2-6 0-0 2
DWG. No.
DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)
MODEL
mm
DSL40/100 MK2
MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED
PGS/AC
?
DATE
DATE
DATE
20-11-2015
?
ISS ECO NUMBER DATE
HOLE DIA = +/-
3
7
8
9
Level adjustment for PP
RFC3854
C138 Changed to 160V
RFC3921
09.05.17
06-09-17
27-02-18
06.06.18
DIMENSIONAL = +/-
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1
2
3
V1:1
ECC83
6
7
8
V1:2
ECC83
1
2
3
V2:1
ECC83
6
7
8
V2:2
ECC83
1
2
3
V3:1
ECC83
6
7
8
V3:2
ECC83
JS1
0W6 1%
R119
1M0
0W6 1%
R118
1k0
100V
C81
47n
50V
C80
100p
0W61%
R117
1M0
0W6 1%
R116
68k
0W6 1%
R114
1k8
1W
R115
220k
500V
C78
100p
AGND
HT2
400V
C77
22n
0W61%
R113
1M0
RL1:2
RL1:3
AGND
0W61%
R103
10M
0W6 1%
R101
680k
R100
100k
100V
C76
4n7
100V
C75
1n5
AGND
CW
VR3:1
A500k
VR12:2
A1M
VR3:2
A500k
0W61%
R102
150k
0W6 1%
R99
10M
C74
NF
500V
C73
470p
100V
C72
47n
0W6 1%
R98
1M0
0W6 1%
R96
1k8
0W6 1%
R95
47k
0W61%
R93
1k0
0W6 1%
R94
1M0
1W
R97
100k
500V
C71
470p
AGND
HT3
500V
C68
470p
0W6 1%
R92
470k
0W61%
R106
470k
0W6 1%
R112
10M
0W6 1%
R104
10M
0W6 1%
R110
100k
0W6 1%
R7
100k
0W6 1%
R107
10k
0W61%
R111
82k
0W61%
R109
150k
0W61%
R108
1M0
50V
C66
220p
50V
C61
100p
50V
C63
330p
100V
C67
4n7
100V
C65
47n
100V
C64
47n
100V
C62
1n
AGND
0W6 1%
R105
470k
AGND
100V
C60
47n
0W6 1%
R91
470k
0W6 1%
R90
1M0
0W6 1%
R38
4k7
0W61%
R88
470k
0W6 1%
R87
470k
0W61%
R85
2k2
0W6 1%
R83
18k
0W6 1%
R81
1k0
0W61%
R84
330k
1W
R89
100k
1W
R86
100k
0W6 1%
R80
100k
1W
R82
100k
0W61%
R78
10k
0W6 1%
R79
1M0
0W6 1%
R77
33k
0W61%
R17
68k
HT4
400V
C59
22n
400V
C58
22n
HT4 HT5 HT5
400V
C56
220n
500V
C55
470p
500V
C53
470p
100V
C51
22n
100V
C52
22n
CW
VR5:1
B200k
VR5:2
B200k
CW
VR7:1
A1M
VR7:2
A1M
CW
VR6:1
B20k
VR6:2
B20k
100V
C54
22n
R74
270k
R73
18k
AGND
REV1
REV2
SCK
MOSI
MISO
AGND
DGND
+3V3
0W61 %
R23
10k
0W61%
R44
1M0
250V
C45
220n
400V
C42
100n
AGND
AGND
VR11:2
B10k
VR10:2
B10k
CLASSIC CH
GAIN
CLASSIC
ULTRA CH
GAIN
ULTRA
LEAD 1
LEAD 2
LEAD1
LEAD2
TREBLE
BASS
MIDDLE
MASTER 1
MASTER 2
LOOP IN
LOOP IN
CLEAN / CRUNCH
INPUT
63V
C150
100n
63V
C151
100n
AGND
0W6 1%
R140
180k
CLASSIC VOLUME
ULTRA VOLUME
RL10:2
A1M
CW
VR12:1
SW_LATCH
DGNDFX LOOP
SCK
DGND
+3V3
C1
100n
MISO
MASTER
R25
33k
R45
33k
R27
33k
+3V3
R29
33k
SW2 SW3 SW4 SW1
SW1
SW2
SW3
SW4
CLEAN
CRUNCH
LEAD1
LEAD2
RL4:2 RL4:3
RL6:2
RL5:3
RL5:2
0W6 1%
R76
10M
AGND
0W6 1%
R20
10M
VR15:2
B50k
VR14:2
B50k
PS_IN
DGND
+3V3
DGND
LT1
C2
100n
SCK
MOSI
LATCH
FX LOOP
MASTER 1
MASTER 2
CLEAN
CRUNCH
LEAD 1
LEAD 2
R64 470k
R65 68k
R66 470k
R56 68k
R59 470k
R122 68k
R126 470k
G
8
RCK
10
SER IN
2
CLR
7
SRCLK
15
D0
3
D1
4
D2
5
D3
6
D4
11
D5
12
D6
13
D7
14
S OUT
9
VCC
1
GND
16
IC1
TLC6C598QDRQ1
G
8
RCK
10
SER IN
2
CLR
7
SRCLK
15
D0
3
D1
4
D2
5
D3
6
D4
11
D5
12
D6
13
D7
14
S OUT
9
VCC
1
GND
16
IC2
TLC6C598QDRQ1
+3V3 C34
100n
DGND
+3V3
LT1
RL10:1 RL1:1 RL4:1 RL5:1 RL6:1
MASTERCLN/ULTRA
LEAD1
CLEAN/CRUNCH
DGND
SW_LATCH
LATCH
R69
2k7
R68
6k8
C92
680n
SW5:1
SW5:2
SW5:3
SW3:1
SW3:2
SW1:3
SW1:1
SW1:2
SW2:3
SW2:1
SW2:2
SW3:3
CW
VR13:1
A1M
VR13:2
A1M
VR8:2
C5k
BK1
RL11:1
RL11:2
S/L
1
CLK INH
15
CLK
2
SI
10
A
11
B
12
C
13
D
14
E
3
F
4
G
5
H
6
QH
9
QH
7
VCC
16
GND
8
IC3
74HC165D
63V
C83
100n
63V
C3
100n
63V
C4
100n
63V
C6
100n
22u
50V
+
C46
TR3
MPSA44
0W61%
R53
220k
0W61%
R52
22k
0W61%
R62
100k
HT1
47n
100V
C39
TR2
MPSA44
0W61%
R54
33k
0W61%
R63
470k
0W61 %
R61
470k
450V
+
C44
1u
AGND
47k
0W6 1%
R124
1W
R60
100k
500V22p
C43
270k
0W61 %
R13
400V
C27
47n
HT1
B10k
CW
VR10:1
+3V3
DGND
REV1
100R
R71
100n
16V
C49
CW
VR11:1
B10k
R72
100R
16V
C50
100n
+3V3
DGND
CLASSIC REVERB
ULTRA REVERB
REV2
D11N4007
D191N4007
D201N4007
D211N4007
D221N4007
D241N4007
LEAD2
C47
NF
63V
C69
680n
+
C57
NF
1W
R28
22R
LOOP IN
1
LOOP OUT
7
DSPL OUT
8
LEFT IN
3
AGND
4
+V
11
+V
12
GPIO0
13
GPIO1
14
GPIO2
15
GPIO3
16
GPIO4
17
GPIO5
18
GPIO6
19
GPIO7
20
12V IN
21
3V3 OUT
22
DGND
23
DGND
24
AGND
6
RIGHT IN
5
DSPR OUT
9
AGND
10
AGND
2
DFX1
12Vin
F/S DET
12Vin
TO REAR PCB
0W61%
R26
100R
0W6 1%
R121
560R
0W61%
R138
560R
35V
+
C94
100u
TR5 MPSA06
D23
BZX55-10V
PGND
LT2
0W61%
R139
68k
RL2:2
0W61%
R24
68k
CW
VR2:1
B1M
VR2:2
B1M
CW
VR4:1
B1M
VR4:2
B1M
CW
VR1:1
B1M
VR1:2
B1M
35V
+
C48
100u
LT2
PGND
2W FP
R43
33R
D2
1N5927B
*
SW4:1
SW4:2
SW4:3
SW4:4
SW4:5 VR9:2
C5k
RL12:1
RL12:2
D261N4007
0W6 1%
R145
1k0
MUTE
CN24:1
CN24:2
CN23:1
CN23:2
CN17:1
CN17:2
CN17:3
CN17:4
CN17:5
Rd
Gn
LED1
Rd
Gn
LED2
Rd
Gn
LED3
Rd
Gn
LED4
+
50V
C79
2u2
500V
C5
220p
400V
C70
4n7
R70
10k
0W6 1%
R55
10k
*
C47 220pF combo only
CN17:6
J.E.M 06-06-18
Andy
Golding
2018.06.07
11:21:27
+01'00'
FIG B
17
18
19
20 22 24
21 23
PREAMP VOLTAGES - OUTPUT SET TO STANDBY
No. TYPE PCB No. FEED V1 (DC) V2 (DC)
17 100k R89 V2 P1 360V 289V
18 4k7 R38 V2 P3 3.25V AGND
19 100k R86 V2 P6 360V 253V
20 2k2 R85 V2 P8 2.39V AGND
21 100k R82 V3 P1 370V 220V
22 1k R81 V3 P3 1.53V AGND
23 ECC83 V3 P6 N/A 370V N/A
24 100k R80 V3 P8 224V AGND
PREAMP VOLTAGES - OUTPUT SET TO LOW
No. TYPE PCB No. FEED V1 (DC) V2 (DC)
17 100k R89 V2 P1 341V 274V
18 4k7 R38 V2 P3 3.09V AGND
19 100k R86 V2 P6 341V 239V
20 2k2 R85 V2 P8 2.26V AGND
21 100k R82 V3 P1 350V 210V
22 1k R81 V3 P3 1.43V AGND
23 ECC83 V3 P6 N/A 350V N/A
24 100k R80 V3 P8 212V AGND
PREAMP VOLTAGES - OUTPUT SET TO HIGH
No. TYPE PCB No. FEED V1 (DC) V2 (DC)
17 100k R89 V2 P1 333V 267V
18 4k7 R38 V2 P3 3.02V AGND
19 100k R86 V2 P6 333V 234V
20 2k2 R85 V2 P8 2.20V AGND
21 100k R82 V3 P1 343V 205V
22 1k R81 V3 P3 1.39V AGND
23 ECC83 V3 P6 N/A 343V N/A
24 100k R80 V3 P8 207V AGND
23DSL40CR service manual
BOOK-80015-01 | M3390.069

Marshall Amplification DSL40CR Specifications

General

Brand	Marshall Amplification
Model	DSL40CR
Category	Amplifier
Language	English