Digitrax DN166I1B Quick Start Manual - Page 2

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Parts List

1 DN166I1B Mobile Decoder

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

16V when using this decoder.

Installation Instructions

Carefully remove the locomo-

tive's shell from the frame by

inserting two toothpicks under

the unit's ladders as shown.

Once you've positioned the

toothpicks, grasp the frame and

toothpicks with one hand and

the locomotive's shell with the

other hand and carefully sepa-

rate the two.

Once the shell is off, remove the

existing light board by removing

the two screws located on the

diagonal corners of the board.

Take the new DN166I1B de-

coder and place it on top of the

frame. Note proper orientation.

The decoder's CPU (the square

black chip) should be oriented

towards the 'slotted' end of the

unit as shown in Figure 3.

The final step is to secure

the decoder with the original

screws. Note: the locomotive's

frame halves may have to be

loosened slightly to achieve

proper alignment.

CAUTION: When attaching

headlight wires, be very careful

that the wires you attach do not come into contact with any other pads

or components on the board where they might create a short circuit.

Toothpicks

inserted

under the

steps

Figure 1: Insert toothpicks

as shown

Figure 2: Grasp toothpicks and

gently remove shell from frame.

Figure 3: Orient CPU towards

the 'slotted' end of the unit.

Figure 3: Unscrew, and remove

standard lightboard. Replace with

Digitrax decoder as shown

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1 Instruction Sheet