Instructions

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Littfinski DatenTechnik (LDT)

Assembly Instruction

4-fold decoder for motor

driven turnouts

with possible external power supply

from the Digital-Professional-Series !

M-DEC-DC-B Part-No.: 410411

>> kit <<

Suitable for the DCC-Format:

e.g. Lenz-, Arnold-, Roco-, LGB-Digital, Intellibox, TWIN-

CENTER, Digitrax, Zimo, Märklin-Digital=, EasyControl,

KeyCom-DC, ECoS, DiCoStation and others.

Turnouts can be switched as well via loc-addresses (e.g.

Lokmaus 2® and R3®)

For the digital control of :

⇒ Up to four turnout motor drives.

(e.g. drives from Fulgurex, Pilz or Hoffmann/Conrad)

⇒ Motor current per output up to 1A.

This product is not a toy! Not suitable for children under 14 years of age!

The kit contains small parts, which should be kept away from children under 3!

Improper use will imply danger of injuring due to sharp edges and tips! Please

store this instruction carefully.

CE Part-No.:

21 04 82

blue point

Introduction:

You have purchased the 4-fold decoder M-DEC-DC for motor

driven turnouts as a kit for your model railway supplied within

the assortment of Littfinski DatenTechnik (LDT).

• These kits are easy to assemble and they are a product of

high quality.

• Model railway kits are not only well come handicraft jobs but

they can be purchased with a considerable price reduction.

This will justify to spend about an hour because you do not

need more time to assemble those kits.

We are wishing you having a good time for assembling and

application of this product.

General:

Tools required for the assembly

Please assure that the following tools are available:

• a small side cutter

• a mini soldering iron with a small tip

• solder tin (if possible 0,5mm diameter)

Safety Instructions

• All electrical and electronic components included in this kit

shall be used on low voltage only by using a tested and

approved voltage transducer (transformer). All components

are sensitive to heat. During soldering the heat shall be

applied for a very short period only.

• The soldering iron develops a heat up to 400°C. Please keep

continual attention to this tool. Keep sufficient distance to

combustible material. Use a heat resistant pad for this work.

• This kit consist of small parts which can possibly be

swallowed from children. Children (especially under 3 years)

shall not participate on the assembly without supervision.

Set-Up:

For the board assembly please follow exact the sequence of the

below assembly list. Cross each line off as done after

completing the insertion and the soldering of the respective

part.

For the diodes please keep special attention the correct polarity

(marked line for the cathode).

With reason to different makes of electrolytic capacitors you

will find different markings of the polarity. Some are marked with

"+" and some are marked with "-". Each capacitor has to be

assembled to the board that the marking of the capacitor is in

correspondence with the marking on the pc-board.

Integrated circuits (IC`s) are either marked with a half round

notch on one end or a printed point for the correct mounting

position. Push the IC`s into the socket assuring that the notch or

the point is corresponding with the triangular marking on the pc-

board.

Please attend to the sensitivity of the IC`s to electrostatic

discharge which will cause immediate damage of the IC.

Before touching those components please discharge yourself

by contacting an earthed metal (for example an earthed

radiator) or work with an electrostatic safety pad.

Please attend to the mark "+" of the rectifiers. Some

manufacturers mark the "+" connections additionally with a

longer connection wire. If the rectifier shows as marking a

flattened side this side has to correspond with the marking on

the pc-board.

For sufficient heat transfer the diodes D20 and D21 should not

be assembled directly to the pc-board but shall be soldered with

a distance of 5mm to the board.

Assembly List:

Pos.

Qty.

Component

Remarks

Ref.

Done

1 1 Printed circuit board

2 1 Diode BZX83 5V1 atttend to the polarity! D1

3 18 Diodes 1N4003 atttend to the polarity! D2..D19

4 2 Diodes BZX85 5V1 polarity and distance! D20,D21

5 4 Resistors 1,5kOhm brown-green-black-brown R1..R4

6 1 Resistor 18kOhm brown-gray-black-red R5

7 1 Resistor 220kOhm red-red-black-orange R6

8 1 Resistor 1MOhm brown-black-black-yellow R7

9 3 Capacitors 100nF 100nF = 104 C3..C5

10 2 Capacitors 100nF 100nF = 104 C10,C11

11 1 IC-socket 18poles IC1

12 2 IC-sockets 16poles IC2, IC3

13 1 IC-socket 8poles IC4

14 1 IC-socket 6poles IC5

15 1 Resonator 8MHz CR1

16 1 Electrolytic capasitor 100uF/25V atttend to the polarity! C6

17 3 Electrolytic capacitors 220uF/35V atttend to the polarity! C7..C9

18 1 Rectifier atttend to the polarity! GL1

19 1 Multi Fuse R090 MF1

20 1 Push button S1

21 6 Clamp 2 poles KL1, KL2

KL6..KL9

22 1 IC: Z86E0..PSC atttend to the polarity! IC1

23 2 IC: L293 atttend to the polarity! IC2, IC3

24 1 IC: 93C46 atttend to the polarity! IC4

25 1 IC: CNY17 atttend to the polarity! IC5

26 Final control

Made in Europe by

Littfinski DatenTechnik (LDT)

Kleiner Ring 9

D-25492 Heist/Germany

Phone: 0049 4122 / 977 381

Fax: 0049 4122 / 977 382

Internet: http://www.ldt-infocenter.com

Subject to technical changes and errors.  12/2013 by LDT

Märklin and Motorola are registered trade marks.

Summary of content (4 pages)

PAGE 1
Littfinski DatenTechnik (LDT) Set-Up: Assembly Instruction For the board assembly please follow exact the sequence of the below assembly list. Cross each line off as done after completing the insertion and the soldering of the respective part. 4-fold decoder for motor driven turnouts with possible external power supply from the Digital-Professional-Series ! M-DEC-DC-B Part-No.: 410411 >> kit << Suitable for the DCC-Format: e.g.
PAGE 2
Soldering instruction Provided you have no special experience in soldering electronic components please read first this soldering instruction before starting the job. Soldering has to be trained! 1. Never use additional fluxes for soldering electronic circuits which contain acids (e.g. zinc chloride or ammonium chloride). Those can destroy components and printed circuits when not washed off completely. 2. As soldering material only lead free soldering tin with a rosin core for fluxing should be used. 3.
PAGE 3
Littfinski DatenTechnik (LDT) Operating Instruction 4-fold decoder for motor driven turnouts with external power supply possibility from the Digital-Professional-Series ! M-DEC-DC-F Part-No.: 410412 >> finished module << Suitable for the DCC-Format: The DCC-Digital-Systems uses different color codes respectively indications for the two digital cables. Those markings are indicated next to the clamp KL2.
PAGE 4
Switching turnouts via loc-addresses (e.g. Lokmaus 2® or R3®): The decoder M-DEC-DC makes it possible to switch motor driven turnouts via loc-addresses. For example switching with the functional keys F1 to F4 of the Lokmaus 2® or R3®. The function key F1 will shift the drive at the output 1 and the key F2 will shift the turnout at the output 2 etc. Sample Connections: Pilz/Tillig Conrad M-DEC Each stroke on a function key will shift the respective turnout from round to straight or vice versa.