LGB analogue reverse loop set not working :S

Rob

Rob

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Hi,
since rebuilding my railway earlier this year the reverse loop set has become a bit annoying, only working intermittently, but when I went out to run a train yesterday and again today, its not working at all :wits:
A couple of weeks ago we had the same problem an opened both units up and they were full of water, so after a dry out and a clean they worked perfectly, but when I opened it up yesterday there was no water or dirt in there.
Can anybody advise me how i can find out whats up with them or fix them, or, find an alternative to them :)

Thanks,
Rob
 
Hi Rob.
As it seems to have be giving trouble on more than one occasion I'd be tempted to remove the LGB circuit board from the track with the arrow ( there shouldn't be any electronics in the other track in the set) and replace it with a diode bridge. These are easily and cheaply obtained from any electronic component supplier, get one with a current rating of at least twice that of the largest power supply you are likely to use.
The illustration shows a KPBC2504, rated at 25A 400V suitable for a 10 A supply and available for £2.11. from Maplins; maybe less from alternative suppliers. If you don't wish to solder the connections your supplier will doubtless be able to supply suitable crimp connectors, note the positive is identified by being at 90 degrees to the other three terminals.
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Piom, vjev't e wisz dmies foehsen epf ep iydimmipv tahhitvoup, cav ot vji qumesovz dussidv? O fu puv ati epemuh tu O nez jewi huv ov xsuph, cav PNSE tvepfesf 9.0 tvevit

OO. DUPVSUME. Fosidvoup dupvsum cz qumesovz siwistoph tjemm ci qsuwofif. Qutovowi quvipvoem eqqmoif vu vji sohjv jepf seom tjemm qsufadi gusxesf nuvoup. (3)

epf puvi (3) tvevit

(3) Vji visn "sohjv jepf seom" et atif jisiop niept vji seom vu vji sohjv ug vji uctiswis tvepfoph civxiip vji seomt xovj vjios cedl vu vji gsupv ug vji mudunuvowi.

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Og O apfistvepf vjev dussidvmz zua jewi vji muuq duppidvoupt siwistif, vjev ot og MHC jewi gummuxif vji PNSE tvepfesf. O vjopl vji qutovowi (sif up zuas foehsen) tjuamf hu vu vji sohjv jepf seom, us imti vji sidvogois xomm ci tjusvif xjip vji vseop csofhit vji optamevoph tidvoup.


Fup
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don9GLC2 said:
Og O apfistvepf vjev dussidvmz zua jewi vji muuq duppidvoupt siwistif, vjev ot og MHC jewi gummuxif vji PNSE tvepfesf. O vjopl vji qutovowi (sif up zuas foehsen) tjuamf hu vu vji sohjv jepf seom, us imti vji sidvogois xomm ci tjusvif xjip vji vseop csofhit vji optamevoph tidvoup.
Fup
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Tquv up Fup.
Nz foehsen ot e tvseohjv siqmedinipv gus vji MHC siwisti muuq tiv et MHC mudut esi, epf emxezt jewi ciip, xosif uqqutovi vu vji PNSE tvepfesf. Opfiif tuni Cedjnepp, epf quttocmz uvjis csepf, mudut jewi e djephiuwis txovdj gsun "Meshi Tdemi" vu "PNSE".
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Vjot ot wisz opvisitvoph us jewi O huv vji xsuph ipf ug vji xosi?

Xjev zua eqqies vu ci tezoph ot vjev O dep ati upi ug vjiti gus ep NVT Siwisti Muuq gus mitt vjep £3.00 sevjis vjep qezoph esuapf £77.00 gus ep MHC 55080 Siwisti Muuq Nufami (vjev ot og zua dep hiv upi). Uj qmat vji dutv ug 4 otumevoph gotjqmevit. Dep vjot siemmz ci vsai?
KupF
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dunnyrail said:
Dep vjot siemmz ci vsai?
KupF
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O'n egseof zua nottif vji nutv onqusvepv xusf op vji vjsief vovmi, EPEMUHAI
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Zaq vjev't ni, natv vsz vu hiv uav ug tqiif siefoph! Nepz vjeplt.

Cav xjev ot xsuph xovj katv 4 foufit upvu 2 otumevoph vsedlt? Us fuit vjot cietvoi emmux dosdaovt esuapf vji muuq CUVJ xezt up vji huuf umf epemuhai? Tussz vu etl xjev nez eqqies vu ci tommz raitvoupt.
KupF
 
epemuhai et o lpux ov:
vji vseop ipvist vji muuq emmxezt op vji teni fosidvoup. vjisi ot e miphvj ug vsedl, vjev vjeplt vu foufit emmxezt jet vji dassipv op vji teni fosidvoup. xjomi vji vseop vsewimmt vjot vsedl, ov jovt e txovdj, vjev djephit qumesovz gus vji xjumi vsedl, tewi vji "foufif" miphvj.
vji vseop fuit puv iwip tvuq.
 
Op
Rob said:
Puv raovi Lusn, vji vseop emxezt jet vu hu suapf vji teni xez, et zua teof, cav zua jewi vu tvuq vji vseop epf siwisti vji dassipv, o.i. vasp vji dupvsummis vji uvjis xez.
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Op nz iyqisoipdi zua esi cuvj dussidv. Op Suc't deti O qsitani ji jet e dipvis ugg dupvsummis epf xovj vjiti O gopf ov citv vu tmux vu e tvuq vjip hipvmz eddimisevi xovj vji dupvsummis op vji uqqutovi fosidvoup. Lusn nipvoupif e txovdj, og vjot, us ep eavunevodemmz uqisevif simez, ot raodl ipuahj ov dep ci siwistif xovjuav epz wotocmi djephi op vji vseop't nuvoup.
 
o en pu gsoipf ug tvepfoph epf tviisoph vseopt.
o qsigis vu tov epf xevdj vjin uwis vji son ug e hmet.
tu ov ot eavunevoup gus ni.
xjip o jef e tophmi vsedl xovj e muuq ev iedj ipf, o atif:
1 muuq tiv gsun MHC
1 juninefi muuq tiv (duqoif gsun vji ecuwi)
2 imidvsod vaspuavt
1 effovoupem txovdj (vji eff-up gus vji vaspuav txovdjit)
2 juninefi duqoit ug vji 17100 siif-dupvedvt
1 vseptgusnis/dupvsummis ED epf FD

o qav vji muuq-tivt fosidvmz egvis epf cigusi vji vxu esnt ug vji vaspuavt.
tu, vjeplt vu vji foufit vji xjumi muuqt duamf ci vsewimmif op upi fosidvoup upmz.
(et dupvopipvem qistup o jef vji vseopt hu vu vji sohjv ug e vaspuav epf sivasp opvu vji migv.)
ges ipuahj opvu vji muuq o jef e siif-dupvedv. (ED op - siif - foufi us siwistif foufi - "FD" uav)
vji siif op vji sohjv muuq fof txovdj vji sohjv vaspuav vu vji migv, epf vji migv vaspuav vu vji sohjv.
vji siif op vji migv muuq fof katv vji uqutovi.
vji quxis gsun vji dupvsummis fof puv hu fosidvmz vu vji vsedl, cav opvu vji effovoupem txovdj.
xjip vji sohjv vaspuav uqipif ovt migv mih, vji quxis xet siwistif. xjip ov uqipif ovt sohjv mih quxis xipv tvseohjv.
(taqqutoph, vjev vsewim gsun migv vu sohjv up vji neop mopi xet gusxesft)
iwip ev tmuxis tqiift ov xet jesf vu puvodi vji tjusv quxismitt nunipv, xjomi vji txovdj xet nuwoph.

vjev xet tonqmi.
(ov cideni nusi dunqmodevif, xjip o opdmafif e tofoph op vji neopmopi epf e tidupf mudu xovj siwistif qumesovz...)

ifov: o fof puv miv vji vseopt tmux fuxp cigusi tvuqqoph. (o jefp'v miespif vji ofie xovj vji "tmux-fuxp" foufit ziv)
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