Marshall Amplification DSL40CR Service Manual

DSL40CR
VALVES
4 x ECC83, 2 x EL34
CHANNELS
2, ultra gain and classic gain
POWER CONTROL
40W or 20W
EQUALISATION
Tone shi switch, treble, middle, bass,
deep EQ shi, resonance and presence
EFFECTS
Reverb (per channel)
SPEAKER
1 x 12” Celeson V-Type
SPEAKER OUTPUTS
5 x 1/4” jack sockets
(16Ω load/8Ω load/4Ω load)
OUTPUTS
1 x 1/4” jack emulated line out
Eects loop send/return
3DSL40CR service manual
BOOK-80015-01 | M3390.069
THE DSL40CR HAS BEEN DESIGNED WITH A 12” G-12 V-TYPE SPEAKER
FOR THOSE WHO NEED EXCEPTIONAL TONE AND FLEXIBILITY. WITH RICH
FUNCTIONALITY INCLUDING THE ABILITY TO MOVE BETWEEN TWO SOUNDS
WITHIN EACH GAIN CHANNEL, PLAYERS CAN EXPERIMENT AND RELEASE
THEIR PERSONALITY THROUGH SOUND.
Warning! Safety instrucons 4
Country idencaon codes 5
DSL40CR exterior 6
Amp assembly 7
Amp assembly tables 9
Voltage and waveform tesng 10
Front panel funcons 12
Rear panel funcons 14
Rear panel PCB 15
Main PCB 18
Main PCB - g. A voltages 21
Main PCB - g. A waveforms 22
Main PCB - g. B voltages 23
Main PCB - g. B waveforms 24
Main PCB - g. C 26
Main PCB - g. D voltages 27
Main PCB - g. D waveforms DFX1 28
Main PCB - g. E voltages 29
Main PCB - g. E waveforms 30
Main PCB - g. F voltages 33
DFX1 module PCB 35
DFX1 PCBPs 36
Component idencaon PCBP 37
Component side track PCBP 38
Solder side track PCBP 39
Spares list DSL40CR 40
Revisions 41
CONTENTS

Marshall Amplification DSL40CR Specifications

General

Brand	Marshall Amplification
Model	DSL40CR
Category	Amplifier
Language	English