Chip Removal-LGB locos
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ntpntpntp
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How easy it is would depend on whether it's integrated onto the main board or is a plug-in / wired-in decoder.
With an integrated decoder you'd most likely be throwing out the entire board and re-wiring everything yourself.
With a plug-in it's a case of removing the decoder and using an appropriate interface cable to connect the battery stuff instead. Similarly with a wired-in decoder.
Whatever you do, you'll need to be aware of the voltage that the lights and smoke etc. are running at before you go supplying them with full battery voltage!
With an integrated decoder you'd most likely be throwing out the entire board and re-wiring everything yourself.
With a plug-in it's a case of removing the decoder and using an appropriate interface cable to connect the battery stuff instead. Similarly with a wired-in decoder.
Whatever you do, you'll need to be aware of the voltage that the lights and smoke etc. are running at before you go supplying them with full battery voltage!
PhilP
G Scale, 7/8th's, Electronics
There are no daft questions.. If you do not know the answer, then it is a valid question.. 
Yes. Dead easy.. The motor block will have either a 4-way connector, or 4 wires (I know, three if it is really old).. these pull off, and you have four pins.. Ignore the inner two (track pickup), and use the outer two (which connect to the motor)..
To get you going, you can ignore the rest of the wiring in the loco for a start.
Bulbs:
If the end of the bulb is flat, it is 5V. If it is rounded, then 18v or 24V.
Smoke unit:
If it has white and black wires, it is 5V.
But probably ignore both, just to get you going..
Yes. Dead easy.. The motor block will have either a 4-way connector, or 4 wires (I know, three if it is really old).. these pull off, and you have four pins.. Ignore the inner two (track pickup), and use the outer two (which connect to the motor)..
To get you going, you can ignore the rest of the wiring in the loco for a start.
Bulbs:
If the end of the bulb is flat, it is 5V. If it is rounded, then 18v or 24V.
Smoke unit:
If it has white and black wires, it is 5V.
But probably ignore both, just to get you going..