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Guides

0.0
Introduction

1.0
Foreword

2.0
Basic

3.0
Base Board

4.0
Conductors

5.0
Plated Holes

6.0
Wires/Components

7.0
Soldering

8.0
Component Removal

9.0
BGA Rework

Products

Circuit Board Repair and Rework
Guide

Outline
The
information within these guides should be helpful to anyone
who works with bare circuit boards and circuit board
assemblies. These guides are packed with illustrations and
videos and follow popular IPC standards. These guides will
help you through the maze of challenges you face when working
on modern, high density circuit boards. If your company
complies with ISO-9000 or any demanding quality standard, you
can refer to these guides as your on-line reference.

Guides in sections 1 through 6 detail the proper step-by-step
techniques, tools and materials, and cautions needed to
reliably repair and modify bare and assembled circuit
boards.

Guides in sections 7 and 8 detail the proper
step-by-step techniques, tools and materials, and cautions
needed to reliably rework assembled circuit boards.

Each procedure includes a "Conformance Level" indicated as
high, medium or low. This Conformance Level indicates how
closely the repaired or reworked product will be to the
original specifications. The Conformance Level listed for each
procedure should be used as a guide only.

Each
procedure also includes a "Skill Level" providing a gauge for
the requisite experience and skill needed by the operator to
obtain a reliable outcome. Skill Levels are listed as
intermediate, advanced, or expert. The Skill Level recommended
should be used as a guide only.

Hundreds of detailed
illustrations, as shown on the right, are included throughout
this guidebook. Visit the Foreword for more information on
this guidebook and how it can be used at your company to
reduce waste.

Images and Figures

Section 2 covers procedures for coating
removal and
replacement.

Section 3 covers procedures for base
board repair.

Section 4 covers procedures for conductor
repair.

Section 6 covers jumper wire
procedures.

Section 7 and 8 cover soldering and
desoldering
procedures.

Visit these sections more specific
information.

1.0 Foreword
This
section provides substantial background information about this
guide and how it can be used at you company.

2.0 Basic Procedures

This section covers handling, cleaning, coatings, legend, and
use of epoxies.

3.0 Base Board
Procedures
This section covers repair of
delamination, warp, key slots, non plated holes, surface
defects, and various defects to base board material.

4.0 Conductor
Procedures
This section covers repair and rework
of conductors including circuits, lands, gold contacts,
surface mount pads, and BGA pads.

5.0 Plated Hole
Procedures
This section covers various methods
for plated hole repair.

6.0 Jumper Wires and Component
Modification Procedures
This section includes
excellent procedures for adding jumper wires and performing
various component modifications.

7.0 Soldering
Procedures
This section includes procedures for
soldering a variety of component types including chip
components, J lead components and gull wing components.

8.0 Rework
Procedures
This section includes procedures for
removing a variety of component types including chip
components, J lead components, and gull wing components.

9.0 BGA Rework
Procedures
This section includes procedures for
removing and replacing BGA components.

Procedure for reference
only.

Related Information
Base Board Repair and
Rework
BGA Component Rework and
Modification
Circuitry and Plated Hole
Repair
Coating and Marking
Rework
Engineering Changes and Jumper
Wires
Gold Edge Contact Repair and
Replating
SMT and BGA Pad Repair
SMT/Through Hole Component
Rework

Customer Comments

"We're operating on a tight production schedule, with no
time to waste. Circuit Technology Center has
consistently delivered our boards back to us on time,
and sometimes even ahead of schedule. This has helped us
stick to deadlines. Thanks to their fast turnaround."

S.L. Fremont, CA USA

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us your comments

Circuit
Technology Center, Inc.
22 Parkridge Road

Haverhill, MA 01835 USA
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Since 1986

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