SoundCraft DPS-4 User manual

DPS-4 Power Supply 1
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User Manual

DPS-4 Power Supply2
© Harman International Industries Ltd. 2005
All rights reserved
Parts of the design of this product may be protected by worldwide patents.
Part No. ZM0331-01
Soundcraft is a trading division of Harman International Industries Ltd. Information in this manual
is subject to change without notice and does not represent a commitment on the part of the
vendor. Soundcraft shall not be liable for any loss or damage whatsoever arising from the use of
information or any error contained in this manual.
No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any
form or by any means, electronic, electrical, mechanical, optical, chemical, including photocopying
and recording, for any purpose without the express written permission of Soundcraft.
Harman International Industries Limited
Cranborne House
Cranborne Road
POTTERS BAR
Hertfordshire
EN6 3JN
UK
Tel: [phone]
Fax: [phone]
http://www.soundcraft.com
IMPORTANT
Please read this manual carefully before using
this power supply for the first time.

DPS-4 Power Supply 3
ContentsContents
ContentsContents
Contents
IMPORTANT SAFETY INSTRUCTIONS 4
SAFETY SYMBOL GUIDE 6
Warranty 7
Connecting Up 8
Front Panel 8
Rear Panel 8
Pin-outs Of DC Output Connector 9
Linking DPS-4s 9
Routine Maintenance 9
Circuit Diagrams 10
PCB Layout 12
Dimensions Overall 12

DPS-4 Power Supply4
IMPORTANT SAFETY INSTRUCTIONS
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with a dry cloth.
Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
Do not defeat the safety purpose of a polarised or grounding type plug. A polarised plug has two blades
with one wider than the other. A grounding type plug has two blades and a third grounding prong. The
wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet,
consult an electrician for replacement of the obsolete outlet
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles
and the point where they exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Use only with the cart, stand, tripod, bracket or table specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury
from tip-over.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects
fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally,
or has been dropped.

DPS-4 Power Supply 5
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
This Class A digital apparatus meets the requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la Classe A respecte toutes les exigences du Règlement sur le matériel brouilleur
du Canada.
Note: It is recommended that all maintenance and service on the product should be carried out by Soundcraft
or its authorised agents. Soundcraft cannot accept any liability whatsoever for any loss or damage caused
by service, maintenance or repair by unauthorised personnel.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
Do not expose the apparatus to dripping or splashing and do not place objects filled with liquids, such as
vases, on the apparatus.
No naked flame sources, such as lighted candles, should be placed on the apparatus.
Ventilation should not be impeded by covering the ventilation openings with items such as newspapers, table
cloths, curtains etc.
THIS APPARATUS MUST BE EARTHED. Under no circumstances should the safety earth be disconnected
from the mains lead.
The mains supply disconnect device is the mains plug. It must remain accessible so as to be readily operable
when the apparatus is in use.
If any part of the mains cord set is damaged, the complete cord set should be replaced. The following
information is for reference only.
The wires in the mains lead are coloured in accordance with the following code:
Earth (Ground): Green and Yellow (US - Green/Yellow)
Neutral: Blue (US - White)
Live (Hot): Brown (US - Black)
As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
The wire which is coloured Green and Yellow must be connected to the terminal in the plug which
is marked with the letter E or by the earth symbol.
The wire which is coloured Blue must be connected to the terminal in the plug which is marked
with the letter N
The wire which is coloured Brown must be connected to the terminal in the plug which is marked
with the letter L
Ensure that these colour codes are followed carefully in the event of the plug being changed
This unit is capable of operating over a range of mains voltages as marked on the rear panel.

DPS-4 Power Supply6
For your own safety and to avoid invalidation of the
warranty please read this section carefully.
SAFETY SYMBOL GUIDE
For your own safety and to avoid invalidation of the warranty all text marked with these symbols
should be read carefully.
WARNINGS
The lightning flash with arrThe lightning flash with arr
The lightning flash with arrThe lightning flash with arr
The lightning flash with arrowhead symbol, isowhead symbol, is
owhead symbol, isowhead symbol, is
owhead symbol, is
intended to alerintended to aler
intended to alerintended to aler
intended to alert the user to the prt the user to the pr
t the user to the prt the user to the pr
t the user to the presence of un-esence of un-
esence of un-esence of un-
esence of un-
insulated “dangerinsulated “danger
insulated “dangerinsulated “danger
insulated “dangerous voltage” within the prous voltage” within the pr
ous voltage” within the prous voltage” within the pr
ous voltage” within the product’soduct’s
oduct’soduct’s
oduct’s
enclosurenclosur
enclosurenclosur
enclosure that may be of sufe that may be of suf
e that may be of sufe that may be of suf
e that may be of sufficient magnitude toficient magnitude to
ficient magnitude toficient magnitude to
ficient magnitude to
constitute a risk of electric shock to persons.constitute a risk of electric shock to persons.
constitute a risk of electric shock to persons.constitute a risk of electric shock to persons.
constitute a risk of electric shock to persons.
CAUTIONS
The exclamation point within an equilateral triangleThe exclamation point within an equilateral triangle
The exclamation point within an equilateral triangleThe exclamation point within an equilateral triangle
The exclamation point within an equilateral triangle
is intended to aleris intended to aler
is intended to aleris intended to aler
is intended to alert the user to the prt the user to the pr
t the user to the prt the user to the pr
t the user to the presence ofesence of
esence ofesence of
esence of
imporimpor
imporimpor
important operating and maintenance (servicing)tant operating and maintenance (servicing)
tant operating and maintenance (servicing)tant operating and maintenance (servicing)
tant operating and maintenance (servicing)
instructions in the literaturinstructions in the literatur
instructions in the literaturinstructions in the literatur
instructions in the literature accompanying thee accompanying the
e accompanying thee accompanying the
e accompanying the
appliance.appliance.
appliance.appliance.
appliance.
NOTES
Contain imporContain impor
Contain imporContain impor
Contain important infortant infor
tant infortant infor
tant information and useful tips on themation and useful tips on the
mation and useful tips on themation and useful tips on the
mation and useful tips on the
operation of your equipment.operation of your equipment.
operation of your equipment.operation of your equipment.
operation of your equipment.

DPS-4 Power Supply 7
Warranty
1 Soundcraft is a trading division of Harman International Industries Ltd.
End User means the person who first puts the equipment into regular
operation.
Dealer means the person other than Soundcraft (if any) from whom the
End User purchased the Equipment, provided such a person is author-
ised for this purpose by Soundcraft or its accredited Distributor.
Equipment means the equipment supplied with this manual.
2 If within the period of twelve months from the date of delivery of the
Equipment to the End User it shall prove defective by reason only of
faulty materials and/or workmanship to such an extent that the effec-
tiveness and/or usability thereof is materially affected the Equipment or
the defective component should be returned to the Dealer or to
Soundcraft and subject to the following conditions the Dealer or
Soundcraft will repair or replace the defective components. Any compo-
nents replaced will become the property of Soundcraft.
3 Any Equipment or component returned will be at the risk of the End
User whilst in transit (both to and from the Dealer or Soundcraft) and
postage must be prepaid.
4 This warranty shall only be available if:
a) the Equipment has been properly installed in accordance with
instructions contained in Soundcraft's manual; and
b) the End User has notified Soundcraft or the Dealer within 14 days of
the defect appearing; and
c) no persons other than authorised representatives of Soundcraft or
the Dealer have effected any replacement of parts maintenance adjust-
ments or repairs to the Equipment; and
d) the End User has used the Equipment only for such purposes as
Soundcraft recommends, with only such operating supplies as meet
Soundcraft's specifications and otherwise in all respects in accordance
Soundcraft's recommendations.
5 Defects arising as a result of the following are not covered by this
Warranty: faulty or negligent handling, chemical or electro-chemical or
electrical influences, accidental damage, Acts of God, neglect, defi-
ciency in electrical power, air-conditioning or humidity control.
6. The benefit of this Warranty may not be assigned by the End User.
7. End Users who are consumers should note their rights under this
Warranty are in addition to and do not affect any other rights to which
they may be entitled against the seller of the Equipment.

DPS-4 Power Supply8
Connecting Up
Before You Start
Ensure the DPS-4 power supply is NOT connected to the Mains and is turned OFF.
The Power supply can be positioned anywhere within reach of the console and an available power socket, but is best rackmounted
in a position where airflow through the vents is not obstructed and where the power switch or cables cannot be accidentally
knocked. Connect the multi-way power cable between the DPS-4 External Power Supply and the console’s connector.
Screw the connector locking ring clockwise on both units to secure the cable. The locking ring should be firm, but not tight. Connect
an IEC type mains cable with the plug fused at 13 AMPS, to the mains input socket on the DPS-4. Connect the other end to the
nearest plug socket and switch on the power to the DPS-4.
Rear Panel
Mains Input
Front Panel
Mains Switch and Status LEDs

DPS-4 Power Supply 9
Pin-outs Of DC Output Connector
Routine Maintenance
Routine maintenance is limited to cleaning the cooling fan’s air filter which is located on the front panel. Ensure that the DPS-4 is
switched off and unplugged before starting this procedure otherwise personal injury or damage to the fan blades may occur.
Linking DPS-4s
Two DPS-4 power supplies may be linked to provide continuing availability of power in the event that one of the supplies fails.
One of the supplies will feed the console via its “console” output socket. The two supplies can be connected to each other via their
“link” sockets.

DPS-4 Power Supply10
Circuit Diagrams

DPS-4 Power Supply 11

DPS-4 Power Supply12
Dimensions Overall
Height 88.0mm (3.46”)
Width 482.60mm (19”)
Depth 245mm (9.65”)
PCB Layout