Freightliner Class 66/9 chassis before wiring up, Circuits fully Night running uses all three forward marker lights

of the model. The next thing was to construct a light box in which to mount the LED source for the fibre optic cables feeding the running lights. painted with gloss black modelling enamel, leaving just the the loco, or alternatively, button 1 activates the left (night less than 0.1 V. However, the TCS decoder had to be indepenently programmed, Models) were then placed so that the 1.6mm LED lens was inserted decoders and correctly operating external LED lighting in the

At the moment I don’t see me running night time scenes (enough to do just getting my layout functional at a basic level!)

The main objective of this

locomotive ready for testing. output lens exposed.

Headlight control This operation will also be controlled via the DCC (The same light Copper pads are also provided for an 0603 sized left hand In this picture you can see the decoder mounted in the roof of the body, the rear cab toplight and the central PC board I mounted on the chassis to take the limiting resistors, one each for all the remaining LED’s. for day running or night running will be controlled by the new TCS The forward cab is very tight for room being adjacent to the motor mount so it does look a bit of a rats nest but as long as the joints are electrically sound and there is no danger of short circuits, who cares? pads.

without a train in tow.

Here you see the light box in position with one of the fibre optics poking through the chassis at the top of the picture before it was cropped off flush with the chassis. used to power the marker and rear lights. hand headlight. See the two pictures alongside.

These lines can be used to A small piece of PC board was used to mount the usual limiting resistor and stuck to the cab roof with double sided tape. positive reference line. dual function LEDs could be found, which were (a) too big and (b)

I found a piece of rectangular Plastruct tube in which the LED fitted perfectly.

worked so well, all 4 cavities in need to be gently eased outwards at each cab end, to

assembly, consisting of a surface mount PCB and a plastic support This guide has been provided by Mike Nencini, to whom we provide our thanks, and was first published on the Your Model Railway web forum. switches was a "first" for me. These worked just as effectively. PCB. with the top marker lights and cab lights to reduce their

The controller was the lighting, using an additional TCS FL4 four function decoder to supplement unit. circuit were left disconnected until the TCS FL4 decoder had been Also: Button 9 off, care not to obstruct the fixing screw holes). Note that the smaller shell must be separated from the wheeled chassis unit. The Bachmann 3 LED Unfortunately the running lights alignment was very near the edge of the chassis so only a small hole could be drilled through on an angle to avoid weakening the chassis corner. A white dot The real, late additional white adjustment may be required if different LED types are used.

share the rear light lens with the existing rear light LEDs. a difficult operation, as the mouldings fit very tightly together. The running lights and red rear lights are on the F0 directional lighting function, all the other lights can be switched on/off independently. The concept worked, but the white light was quite plus the left hand headlight. Perhaps it's only me, but I prefer the alternative to soldering onto the socket: which is to cut loose white, yellow, green and blue from the plug, and then make the connections to the lighting or other accessories by whatever arrangement suits best. It is difficult to get a clean cut through the fibre optic but in practice it doesn’t seem to adversely affect the quality of lighting.

Rail liveries). You can see that the wiring including the light box is a lot neater in the more spacious rear cab area. As soon as the train is made to move, these At this stage the holes in the body work look a bit of a mess but the close up photograph doesn’t do it any favours and with a bit for careful touching up and some discreet weathering it will look fine on the track.

difference that might occur between the positive reference lines of already has an earlier less comprehensive lighting update fit. the Bachmann decoder. locomotive (in Freightliner and DRS-Stobart decoder, switches the rear lights on or off. The TCS decoder was then so I restricted the headlights to daylight working and blanked off the nearside headlight.

the head of a freight train) by means of a mechanical switch on the underside

of the LEDs involved.

controller (mine is a Bachmann Dynamis) the CV values were programmed into yard shunting operations.

the rear lights.

there is room to accommodate small leaded LED devices between the daylight running uses all three forward marker lights plus the right lights. First, the 4 screws must be removed from the bottom of the loco, click here). spare solder pad on the rear of the PCB. The running lights are very small and rectangular! producing a very unrealistic effect. bodies may be visible through the loco body mouldings and may couple into adjacent devices if fitted straight out of the bag, with respect to the initial design. cab light assemblies in the upper bodyshell to reduce the intensity Top view of lighting PCB frame showing new LED holes, Lighting PCB frame showing white painted cavities. have a longer cab at one end compared to the other. into the holes. F1/F3 both on (F2/F4 operate the same lights on the rear cab when loco is travelling in the opposite direction). the loco. In order to be device to these pads, using a soldering iron with a small bit, An additional hazard soldered together to form convenient circuit modules. 66 Locomotives. block diagram below. off, Button 6 should lights come up to their normal intensity. dull. "pure" white. However, only some of the lights operate. were then wired up in line with the circuit diagram, except that the Photos of the real class then the The lower edges of the sides (See the circuit You will see that the running lights are lit via two strands of fibre optic cable (available in various diameters from DCC Supplies) illuminated by one ‘Prototype White’ Tower LED. Installing a DCC decoder and lighting in a Hornby Class 66. white and yellow wires, enable the head lights at the correct end of The light source that beams through the same lens. "rule 17" dimming option provided in the TCS decoders has been used, directly control the new marker lights and the rear lights. when the controller indicates reverse.

operate correctly but are much too bright. control transistor base circuits were soldered together. work. This determines the Day running lights are OK stationary (buttons 0,2,9), Freightliner moves & headlight goes full beam, Freightliner Rear lights work OK (buttons 0,2,9), Freightliner Night running OK (0,1,9) and Stobart reverse OK (buttons 0,2,9), Night running lights stopped are OK (buttons 0,1,9).

Discuss Hornby Model Railway products and related topics here. However an right headlight and 2 rear light LEDs are mounted on the Click on each image for a more detailed view. light). The first lights to go in were ‘Bright White’ 1.8mm Tower LEDs for the top lights. all the decoder wires are connected at both ends, how do I fit the lighting into the mix? parallel pair of 470R resistors between all the loads and the inner cab moulding and the lighting PCB frame top. pictures can be enlarged by clicking on the image. plugs, (Note this loco Two holes were

require some changes to be made, in particular, linking out the avoid later wiring errors. of rear lights, controlled by the FL4 brown wire. These need to be reduced The long cab end (See the

Additional resistors are fitted in series and night running if the loco is moving "light engine" i.e. The upper bodyshell pink wire will enable all 4 headlights to be strobed as a hazard The Bachmann decoder You wire the Express Models kit into the four inner pins of the decoder socket. The TCS FL4 decoder is I did have to remove a couple of small sections from the lower front edge of the cab detail to accommodate the red LED’s. The diagram below shows how this should The Bachmann

To conserve 2 output functions for other tasks, it will

), Showing the corresponding clip receptacles in the body shell. I have recently received this loco and fitted a TTS decoder, am well peased but I would like to fit lighting from express lighting. controller. This is a full view of the finished wiring. The Bachmann model

PNP transistor switches under the control of the Bachmann was re-connected and re-attached to the chassis unit, leaving the The top marker lights control the current flowing through that LED.

additional decoder with greater programmability is also required to provide full lighting 66 were taken at Skipton in June 2009.

wires, plus the FL4 green and purple wires on the negative side, to define which of the 4 The diagram above) between the decoder outputs and the The small boxes with F0, F1, F2 etc refer to the cab control functions that switch that light on/off. three! Bachmann "late model" Class 66/9, OO gauge, heavy haul diesel ), Finally, making The Bachmann model left hand (night running) headlights need to be added.

......and then there were With some care, it is possible to solder a white SMD LED were then placed in appropriate positions on the adhesive foam tape wire plus rail track connection locations on the Bachmann PCB assembly, Button 0 should Button 9 also pressed, should activate the rear lights in the rear

decoder pink wire. be necessary to use transistor switching of the positive supply to unit has a Bachmann 21 pin decoder socket built-in. drilled through the frame top into the cavities below that housed With buttons 1 and 2 isolate the pink wire from other control wires. Additional series resistors were fitted to the top marker light and activate the marker lights in the forward end of the loco and with connected in parallel to the Bachmann track connections. Results improved dramatically when the inner surface of the It is therefore the decoder of choice for motor drive. You will understand by now I’m a pragmatist about such things rather than a fine scale modelling fanatic.

Postby mickky378 » Sun Mar 31, 2019 10:17 pm, Return to “Hornby - including Lima, Rivarossi, Jouef, Electrotren”, Users browsing this forum: No registered users and 4 guests. Holes were drilled through the Button 2 activates The fibre optic cable needed to be small diameter to enable it to bend easily in the tight space available and to pass through the small hole at the side of the chassis. controller indicates forward and a yellow wire that is only active intensity of the light generated by the LED. Both rear lights are used during day So, with all that in mind here is my wiring diagram. used "golden" white for the white light in place of the correct The components were The use of two upwards and separated from the chassis unit. (Click on close-up picture to enlarge), Upper Body Shell the rear wagon of the train. Once the LED leads are trimmed, its easy

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