Inc Sound Module Decoder - Manual
Digitrax Mobile &
Sound Decoder Manual
Second Edition
Table of Contents
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1.0 Introduction .............................................................6
2.0 Digitrax Mobile and Sound Decoder Overview ...6
2.1 Digitrax Decoder Part Numbering System .........................7
3.0 Decoder Installation ................................................9
3.1 Decoder Installation Basic Steps ........................................9
3.2 Choosing a Locomotive .......................................................9
3.3 Choosing The “Right” Decoder ........................................10
3.3.1 The Digitrax On-Line Decoder Selector .....................10
3.3.2 What Is Your Loco’s Stall Current? ............................ 10
3.3.3 Which Decoder Will Fit? ..............................................11
3.3.4 Decoder Interfaces for Installation .............................12
3.3.4.1 Plug ‘N Play and Board Replacement Interfaces ...12
3.3.4.2 Digitrax 9 Pin HO & 8 Pin N Decoder Interfaces ....14
3.3.4.3 Installing Decoders with Wires ................................14
3.3.5 Decoder Features-LocoMotion ..................................... 16
3.3.6 Decoder Functions-Lights, Sound, Etc. .....................16
3.3.7 SoundFX Decoders ......................................................17
3.4 Read the Instructions .........................................................17
3.5 Plan the Installation ...........................................................17
3.6 Have the Proper Tools At Hand .........................................17
3.7 Testing Decoders Before Installation ................................18
3.8 Locomotive Disassembly ...................................................20
3.9 Electrically Isolating the Motor ..........................................21
3.10 Installing Lighting Effects ................................................23
3.11 Installing Power Xtenders ................................................23
3.12 Final Decoder Test ............................................................24
3.13 Avoiding Heat Problems with Installations ....................24
4.0 General Decoder Troubleshooting ..................... 25
4.1 The decoder won’t respond ...............................................25
4.2 The decoder runs for a while & then just stops ..............26
4.3 Loco operation is jerky & erratic .......................................26
4.4 “Strange” locomotive light operation ...............................26
4.5 The locomotive won’t move at all ...................................... 26
4.6 Locomotive “buzzes” .......................................................... 27
4.7 The Quarter Trick ................................................................27
4.8 Are your LocoNet Cables built correctly? ........................27
4.9 Getting Help .........................................................................27