Marshall Amplification DSL40CR Service Manual

OD1 - Overdrive 1
OD2 - Overdrive 2
MAIN PCB - FIG. A WAVEFORMS
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 0-02
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
RL 10:1 RL 1:1 RL 4:1 RL 5:1 RL 6:1
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
RL 11:1
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
D11N 400 7
D1 91N 400 7
D2 01N 400 7
D2 11N 400 7
D2 21N 400 7
D2 41N 400 7
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
RL 12:1
RL12:2
D2 61N 400 7
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 A
A
B
C
D
A - VALVE1 PIN2
B - VALVE1 PIN1
C - VALVE1 PIN7
D - VALVE1 PIN6
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT C (OD1)
V1 PIN7 V(rms) 247mV and V(pp) 716mV
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT D (OD2)
V1 PIN6 V(rms) 17.7V and V(pp) 51.2V
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT D (OD1)
V1 PIN6 V(rms) 6.16V and V(pp) 17.8V
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT C (OD2)
V1 PIN7 V(rms) 327mV and V(pp) 952mV
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT B
V1 PIN1 V(rms) 395mV and V(pp) 1.15V
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT A
V1 PIN2 V(rms) 8.35mV and V(pp) 26.2mV
22DSL40CR service manual
BOOK-80015-01 | M3390.069

Marshall Amplification DSL40CR Specifications

General

Brand	Marshall Amplification
Model	DSL40CR
Category	Amplifier
Language	English