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Parts List
1 SDXN147A0 Sound Decoder with SoundFX
and 100uF capacitor.
oval speaker
1 Instruction Sheet
Installation Information
See the Digitrax Decoder Manual for complete decoder test procedures, instal-
lation instructions, programming and technical information. Digitrax manuals
and instructions are updated periodically. Please visit www.digitrax.com for the
latest versions, technical updates and additional locomotive-specific installation
instructions. CAUTION: Programming and layout track must not exceed
18V when using this decoder.
9x18x4
mm Oval Speaker
with Kapton tape over silver
magnet disc
frame halves are at
track voltages
Figure 1: SDXN147A0: Atlas N GP38 loco with decoder
Installation Instructions:
1.
Carefully remove the Locomotive shell.
2.
Loosen the insulated frame screws at front and back of frames sufficiently so
you can spread the frame uppers apart and remove the factory light board.
If you fully undo these screws, you will have a harder task to reassemble the
drive train etc.
3.
Check the motor tabs are squarely aligned from side to side between frames,
and high enough to bear on the matching decoder motor pads without short-
ing to the frames.
© 2024 Digitrax, Inc.
Motor tab
— 2 —
v3, with 8 Ω 9x18x4 mm
®
100uF
Capacitor
double-sided mount
and frame insulating tape
www.digitrax.com
frame
screw
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