Behringer Eurolive B205D Manuale di riferimento

985-40000-00454 Rev.A

2014-04-08 page 1 of 4

Preparation

The following tools and parts are required in order to perform the procedures described in this service bulletin.

IRIS Repair Code

for Warranty Claim

1511

Warning: Follow all standard safety precautions when performing this procedure. Failure to follow instructions may lead

to permanent injury or death.

Caution: Follow all standard ESD precautions when performing this procedure. Failure to follow instructions may cause

damage to the unit being repaired.

Issue No power or no output, loud buzzing sound, burning smell or complaints of smoke

Remedy Replace 15V voltage regulators IC1 and IC2, and improve their heatsinking

Replace any other components that have failed

Action Rework all units manufactured prior to date code 1402

Technician Only authorized service technicians shall perform this procedure

Tools Required

Crosshead screwdriver, soldering iron, approved thermal grease

Parts Required

Qty Description Ref Designator

1 IC 7815 voltage regulator, TO220 IC1

1 IC 7915 voltage regulator, TO220 IC2

2 Insulator F89-07019-00144, 2.03mm thick, TO220 for IC1 and IC2

1 Metal clip A65-00200-04931 for IC1 and IC2

1 Screw, M3, 8mm, at head, crosshead, silver/zinc for metal clip

1 Nut with star lock washer, M3, 3.2 mm, hex for metal clip

Ultra-Compact 150-Watt PA/Monitor

Speaker System

Loudspeaker Systems

EUROLIVE

B205D

ServiceBulletin

page 2 of 4

Loudspeaker Systems

EUROLIVE

B205D

Remove the 4 crosshead screws and pull out the

power supply/amplier assembly. Disconnect

the wiring and place the assembly on your

work bench.

Remove the 7 crosshead screws from the rear of

the cabinet as shown, and separate the front and

rear sections of the cabinet. Take care as they

are connected with cables, and be careful with

the gasket.

Remove the 4 nuts and bolts and pull out the mic

stand holder from the bottom of the rear cabinet.

Disconnect the power cord and all other

connections to the unit under repair.

Follow all steps in the order in which they

are presented.

Procedure

Risk of electrical shock due to high voltage

discharge, even when the unit is o.

Ensure that the power supply capacitors are fully

discharged before proceeding.

page 3 of 4

Loudspeaker Systems

EUROLIVE

B205D

Locate and remove IC1 and IC2. Inspect the circuit

board and components for any heat damage, and

replace as needed.

Remove the Main PCB from its metal enclosure. Carefully prepare the legs of the new voltage

regulators, to the dimensions shown in

this drawing.

Insert the new IC1 and IC2 in position, so they are

the same height as the nearby diodes D5 and D6,

then solder them in place.

4.0 mm

9.0 mm

(this is the most

important dimension)

Bend where the legs change width

3.5 mm

6.0 mm

MUSIC Group accepts no liability for any loss which may be suered by any person who relies either wholly or in part upon any description, photograph, or statement contained herein.

Technical specications, appearances and other information are subject to change without notice. All trademarks are the property of their respective owners. MIDAS, KLARK TEKNIK,

Condential, for internal use only. Not to be reproduced.

Loudspeaker Systems

EUROLIVE

B205D

Spread thermal grease on the backs of IC1, IC2, D5,

and D6. Carefully reinstall the PCB assembly back

into its metal enclosure.

Reinstall the heatsink clip to diodes D5 and D6,

and tighten the screws.

Install the new heatsink clip to cover IC1 and IC2.

Tighten the screw and nut to securely hold the ICs

against the heatsink.

Reassembly is the reverse of disassembly. Make

sure all connections and screws are secure.

Perform a functional test and safety test to verify

the unit is working correctly.

Make sure all insulators are in place,

including two new ones for IC1 and IC2.

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