Marshall Amplification DSL40CR Service Manual

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2
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D D
C C
B B
A A
1 1
DSL 40/100 MK2 Rear PCB
DSL100M2-61-02
8
17/08/2018DSL100M2-61-02-V8.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.
DSL100M2-61-02
D WG. No.
DIMENSIONS IN
TOLERANCE (UNLESS OTHERWISE STATED)
MODEL
mm
DSL 40/100 MK2
MATERIAL
MATERIAL THICKNESS
DRAWN
CHECKED
APPROVED
A.C.S.
DATE
DATE
DATE
02.09.2016
ISS ECO NUMBER DATE
HOLE DIA = +/-
8 RFC 3961
DIMENSIONAL = +/-
1
2
3
4 5
S
JS211
MIDI IN
K
3
VCC
8
VO
6
GND
5
VB
7
A
2
IC202
6N138
DGND
DGND
L205
G471
L206
G471
R239
220R
R240
220R
D201
4148
C214
100n
R238
10k
16 OHM
150R
R209
150R
R203
10k
R214
47u
+
50V
C204
10k
R213
RGND
100k
R216
MP3 IN
JS204
47u
+
50V
C202
10k
R204
10k
R215
22u
+
50V
C207
100k
R217
OT
FROM FX BOARD
SEND
RETURNFOOTSWITCH
100n
C208
+VA
120k
R202
10k
R201
EMUL_OUT
10k
R218
120k
R212
10k
R205
10k
R206
+VA
EMUL_OUT
47pC201
47pC205
+VA
EMUL_OUT
RGND
22u
+
50V
C206
8 OHM
4 OHM
SPKGND
CHGND
RGND
RGND
RGND
RGND
47 0p C211
10 0n C212
47 0p C210
DGND
CHGND
CHGND
RGND
LINE_R
LINE_L
PA_IN
HP_L
HP_R
LINE OUT
HEADPHONES
PA_IN
RGND
LINE_R
LINE_L
47k
R219
47k
R220
HP_L
HP_R
JS205
1R0
0W6 1%
R221
+3V3
220R
2W FP
R222
FSW
FSW
56R
0W61%
R223
IC201:1
NE5532D
IC201:2
NE5532D
V+V-
IC201:3
TLV272
CN201
CN202
CN205
CN206
C215
10u
C216
10u
PGS
18-07-16
JS201
JS207
JS208
JS209
JS210
MT1 MT2
JS202
JS203
JS206
CHGND
CN203:1
CN203:2
CN203:3
CN203:4
CN203:5
CN203:6
CN203:7
CN204:1
CN204:2
CN204:3
CN204:4
CN204:5
CN207:1
CN207:2
C203
22u
CN204:6
D202
3V3
FSW
DGND
+V
+V
09.05.17RFC 39497
16.08.18
R224
560R
Q
R
Q - IC201 PIN1
R - IC201 PIN7
CL - Clean
OD1 - Overdrive 1
REAR PANEL PCB (CONTINUED)
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT R (CL)
IC201 PIN7 V(rms) 47.1mV and V(pp) 158mV
FREQUENCY:1kHz - “HIGH”
IC201 PIN7 V(rms) 45.6mV and V(pp) 154mV
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT R (OD1)
IC201 PIN7 V(rms) 443mV and V(pp) 1.58V
FREQUENCY:1kHz - “HIGH”
IC201 PIN7 V(rms) 333mV and V(pp) 1.26V
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT Q (OD1)
IC201 PIN1 V(rms) 443mV and V(pp) 1.58V
FREQUENCY:1kHz - “HIGH”
IC201 PIN1 V(rms) 334mV and V(pp) 1.26V
FREQUENCY:1kHz - “LOW”
RESULTS FOR TEST POINT Q (CL)
IC201 PIN1 V(rms) 47.9mV and V(pp) 164mV
FREQUENCY:1kHz - “HIGH”
IC201 PIN1 V(rms) 45.1mV and V(pp) 152mV
16DSL40CR service manual
BOOK-80015-01 | M3390.069

Marshall Amplification DSL40CR Specifications

General

Brand	Marshall Amplification
Model	DSL40CR
Category	Amplifier
Language	English