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LG no power problem... 14cc4rb-lz

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DJFEL
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Post by Ahmadiloz Sat Aug 10, 2013 3:22 am

model: 14cc4rb-lz
ser. number: 008syzz57829

FBT: BSC25-0883
HOriz. : 2SC6093
Vert : LA 78040
FBT  switching regulator: w6753
jungle: LG531
EEPROM: 02Q08 ? (im not sure)





anu po kaya ang posible na sira nito??
wlang B+
wla rin nka tambay na +5V...
no power talaga sya..
pero may raw B+ sya..
wla nga lng volage sa secondary

napalitan ko na ung
switching regulator: w6753, 2SC6093..


wala parin syang pwer...
posible po bang salarin ang FBT ????


pls reply mga masters!!!!
tnx...
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Post by kchrysz15 Sat Aug 10, 2013 7:16 am

hang u h-out, test ulit kng my b+ pnta FBT, kng wla check all resistor baka my open s primary.
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Post by arkin Sat Aug 10, 2013 9:07 am

agree,f shorted yong h-out zero b+ nyan.@ahmadiloz:bakit my b+ pro wlang secondary.bka main or sa primary mo nsukat yan snabi mong b+Very Happy 
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Post by Ahmadiloz Sat Aug 10, 2013 10:25 pm

kchrysz15 wrote: hang u h-out, test ulit kng my b+ pnta FBT, kng wla check all resistor baka my open s primary.


ung colector ba ng horiz trany sir???

salamat sa idea mo sir..
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Post by Ahmadiloz Sat Aug 10, 2013 10:33 pm

arkin wrote: agree,f shorted yong h-out zero b+ nyan.@ahmadiloz:bakit my b+ pro wlang secondary.bka main or sa primary mo nsukat yan snabi mong b+Very Happy  
sa prim. nga sir arkin.
un ba ung tinatawag na raw B+???
sa main capcitor ko kasi nasukat un....
hehehe...


salamat sau sir...
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Post by Ahmadiloz Sat Aug 10, 2013 10:59 pm

LG no power problem... 14cc4rb-lz Q9vy

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Post by Ahmadiloz Sat Aug 10, 2013 11:01 pm

Ahmadiloz wrote: LG no power problem... 14cc4rb-lz Q9vy


saan po kaya dito????
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Post by kchrysz15 Sun Aug 11, 2013 12:06 am

mula s power outlet gang dumating u s chopper x-4mer yan ung primary, check u lahat, pati opto-coupler
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Post by DJFEL Mon Aug 12, 2013 9:44 pm

hinde to na kita kay sis ultra...piro try ko baka ma sapol naten to..
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Post by DJFEL Mon Aug 12, 2013 9:48 pm

ok ba primary supply neto...chik big ecap dyan..normal ba yan..paki soyod lahat nang risistor,diode baka my lick dyan...pang ok sa primary..paki chik B+ baka my open risistor dyan...
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Post by Ahmadiloz Mon Aug 12, 2013 11:32 pm



DJFEL wrote: ok ba primary supply neto...chik big ecap dyan..normal ba yan..paki soyod lahat nang risistor,diode baka my lick dyan...pang ok sa primary..paki chik B+ baka my open risistor dyan...

ok nman lahat sa prim. sir FEL...
b+ lng at 5vsb ang wla.... silent 
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Post by arkin Tue Aug 13, 2013 2:19 pm

na hang mo nba b+ mo,prang dpa yata.Very Happy hang muna yan pra malaman mo kng wla nga ba b+.bka shorted h out mo.
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Post by kchrysz15 Wed Aug 14, 2013 12:57 am

sub? ask q lng @Ahmadilos ung bng filter cap. s primary may n estock n voltage F meron my open u s circuit u
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Post by Ahmadiloz Wed Aug 14, 2013 2:49 am

kchrysz15 wrote: sub? ask q lng @Ahmadilos ung bng filter cap. s primary may n estock n voltage F meron my open u s circuit u


ahehehe,,,
ayy ,,
di ko lubos maintindihan sina sabi mo sis ehhh???? bounce 
pki linaw nman?? waiting 


kunting tyaga nlng to.....
makukuha ko rin ....
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Post by Ahmadiloz Wed Aug 14, 2013 3:15 am

arkin wrote: na hang mo nba b+ mo,prang dpa yata.Very Happy hang muna yan pra malaman mo kng wla nga ba b+.bka shorted h out mo.

sir arkin....
id ma hang ko na ung B+ ng FBT, dun rin ba ako susukat para sa B+ nya?
if meron man voltahe dito..
di po ba FBT ung salarin???
ksi pinalitan ko na tong horiz tranny ehh...
ksi shorted to..
pag test ko ulit ganun parin...

anu po ba kya ang posibleng salarin dito???
help nman po....
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Post by arkin Wed Aug 14, 2013 1:29 pm

tama!don ka nga magtest ng b+.malamang my poblema nga sa fbt,pro hwag rin klimutang i-chek ulit ang h.out mo,kc f shorted ulit yan,my problema ang HV cicuit mo.sama mo na rin ibang parts dyan.
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Post by kchrysz15 Thu Aug 15, 2013 1:11 am

aq din yan din suspect q ung FBT ! test u n rin ung ibang parts like mylar cap. nk shunt s Horiz tranny, o kaya ung yock! agree 
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Post by Ahmadiloz Thu Aug 15, 2013 3:29 am

arkin wrote: tama!don ka nga magtest ng b+.malamang my poblema nga sa fbt,pro hwag rin klimutang i-chek ulit ang h.out mo,kc f shorted ulit yan,my problema ang HV cicuit mo.sama mo na rin ibang parts dyan.


FBT unsa sira sir aRkin....
kc nung na desolder ko ung FBT at tinanggal ko pa...
nag present ung B+ at Col....
as in stanby mode ulit sya....
kya lng parang ayw bilhan ng my ari :bounce 
namahalan cguro ng FBT bsc25-0883... Sad
anu po kya ung replacement value nito???? Question 



tnxs sa tulong mo sir...
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Post by Ahmadiloz Thu Aug 15, 2013 3:32 am

kchrysz15 wrote: aq din yan din suspect q ung FBT ! test u n rin ung ibang parts like mylar cap. nk shunt s Horiz tranny, o kaya ung yock! agree 

mukhang ayaw nga bilhan ng FBT ng may ari ehhh/...
sayang lng nman...
maging dag'2 XP sana to sa akin....
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Post by Hertz Thu Aug 15, 2013 4:39 pm

Ahmadiloz wrote:


FBT unsa sira sir aRkin....
kc nung na desolder ko ung FBT at tinanggal ko pa...
nag present ung B+ at Col....
as in stanby mode ulit sya....
kya lng parang ayw bilhan ng my ari  :bounce 
namahalan cguro ng FBT bsc25-0883... Sad
anu po kya ung replacement value nito???? Question 

tnxs sa tulong mo sir...
flyback nga yan. dahil lumabas ang B+ mo.shorted na ang b+ at ground pin niya.
pm mo si sir ultra para sa replacement

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Post by arkin Thu Aug 15, 2013 4:55 pm

chek mo b+ to ground,kng my reading dyan 100% sira tlaga fbt mo.kng wla patest mo to confirm pra my reference kna next time.sakaling ok ang fbt mo,chek mo ulit h.out.visual check nga rin pla yoke mo...
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Post by kchrysz15 Fri Aug 16, 2013 12:12 am

congratulations grouping hug cool onion happy 
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Post by Ahmadiloz Fri Aug 16, 2013 12:41 am

Hertz wrote:
Ahmadiloz wrote:


FBT unsa sira sir aRkin....
kc nung na desolder ko ung FBT at tinanggal ko pa...
nag present ung B+ at Col....
as in stanby mode ulit sya....
kya lng parang ayw bilhan ng my ari  :bounce 
namahalan cguro ng FBT bsc25-0883... Sad
anu po kya ung replacement value nito???? Question 

tnxs sa tulong mo sir...
flyback nga yan. dahil lumabas ang B+ mo.shorted na ang b+ at ground pin niya.
pm mo si sir ultra para sa replacement



ok salamat po sIr hertz....
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Post by Ahmadiloz Fri Aug 16, 2013 12:45 am

arkin wrote: chek mo b+ to ground,kng my reading dyan 100% sira tlaga fbt mo.kng wla patest mo to confirm pra my reference kna next time.sakaling ok ang fbt mo,chek mo ulit h.out.visual check nga rin pla yoke mo...

meron na syang B+ sir nung tinanggal ko ung FBT.....
mukhang ok pa nman ung yoke sir...
ilang voltahe ba kadalasan ung h-out sir???


salamat po sir...
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Post by Hertz Fri Aug 16, 2013 1:13 am

sa pin ng collector singkatulad lang iyan ng b+ mo
sa pin ng emitter ay zero dahil naka ground ito
sa pin naman ng base nasa 1-3vac iyan

kong nakatanggal ngayon ang flyback. normal na wala kang supply sa collector pin dahil naka series ang flyback coil dyan. sa madaling salita. pwede sanhi ng pagkakawala ng b+ ang shorted na h-out. kaya check mong maiigi kong ok pa ba ang h-out mo

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