HELP!!!: LG - 21SB4AD model display problem

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HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Sun Jan 20, 2013 1:31 pm

Problem po ng TV na to ung video display (both tuner & dvd) nya taas-baba.... parang pal secam..., pag walang video signal, snowy ung display... may whining sound...

Jungle: LV76211 3C
V Ic: A78141
HOT: C6092
Reg: W6554A

Voltages:
B+ --- 120V
G2 --- 175V
Video --- 185V

Mga ginawa... nagpalit ng opto coupler nawala ung whining sound... try replace Vert... wala pong nangyari... Check ko sana system settings sa remocon kaso wala.. Ano po kaya problema nito mga master?? Tnx in advance!!

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by ultrasonic™ on Mon Jan 21, 2013 12:52 pm

out of vertical holding... ?

ano exact chassis nito sis.. ?
eto ba ung mc or cw ?
pki silip nmn sa board nka imprinta kasi iyan

npasok mo ba ang svc mode?
press menu on tv at press menu in remocon?
pki post ng data parameter lalo na sa vert at color system

my eeprom programmer ka ba sis?

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by DJFEL on Wed Jan 23, 2013 12:05 pm

sub...nan dyan na ang master ng LG..

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Thu Jan 24, 2013 3:07 pm

Master CW81C ata to... Try ko mamaya master pag uwi ko... Wala po akong programmer master... sinubukan ko rin po ung monitor out nya sa ibang TV ang resulta ok naman po ung display sa ibang TV...

Master ung display nya black and white... minsan may nalabas na color... pero taas baba ung display na mabilis... wala po ring OSD kaya baka ung jungle na ang may tama... sinubukan ko rin na palitan ung xtal pero wala pa ring OSD...

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Thu Jan 24, 2013 3:23 pm

Master pwede bang replacement ang LV762133C sa LV762113C? Ang kaibahan lang kasi nilang dalawa ay ung LV762133C merong tone/surround ung LV762113C wala.... Tnx

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by ultrasonic™ on Thu Jan 24, 2013 6:28 pm

nko sis... bat wla ka pa nyan..? gawa ka sis.. it can help u a lot.. di lng sa unit nato kundi pati na rin sa iba bang mga units na darating sau..

eto ang link - DIY Serial EEPROM Programmer

Lenaren wrote:sinubukan ko rin po ung monitor out nya sa ibang TV ang resulta ok naman po ung display sa ibang TV...

mlaki ang chance na ok pa ang UOC mo nyan sis.. try mung pasukin ang svc mode nyan.. at dun ka sa kbilang tv mag monitor ng display.. para mkita mo ang actual settings...

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by DJFEL on Fri Jan 25, 2013 1:10 pm

basa lang ako neto..pa abang sa ebang triks..Smile

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Sat Jan 26, 2013 11:31 am

Master di me makapasok sa service mode kasi ayaw gumana ng menu sa tv.. check ko ok naman ung mga tact switch switch nya.. kung sakali na makapasok me sa service mode baka di ko rin makita mga values kasi wala ring OSD sa kabilang tv master... pero ok ung display...

Ok lang po ba master na subukan ko palitan ung UOC nya? ung LV762113C with LV762133C?

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by ultrasonic™ on Sat Jan 26, 2013 3:49 pm

di ko pla nasagot yan sori (^_^

yapz pwde yan... at saka nasa svc mode nman kng papano eturn off ang surround.. btw ano ang exact chassis nito sis.. para ma-DL ko sana sa silent


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Re: HELP!!!: LG - 21SB4AD model display problem

Post by DJFEL on Sun Jan 27, 2013 8:56 am

abang nalang...

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by ultrasonic™ on Mon Jan 28, 2013 7:16 pm

Lenaren wrote:Master di me makapasok sa service mode kasi ayaw gumana ng menu sa tv.. check ko ok naman ung mga tact switch switch nya.. kung sakali na makapasok me sa service mode baka di ko rin makita mga values kasi wala ring OSD sa kabilang tv master... pero ok ung display...

ai sori di ko npansin... scratch sori my mistake
di nga pala lalabas ang mga OSD kasi in Component Video ang Process... wlng Vert at Hor. sync na mgpoproduce at itatalon sa kabilang monitor... worship sori sori

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Hertz on Tue Jan 29, 2013 10:47 am

tama kaya Video1 ng monitor ang lalabas

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Hertz on Tue Jan 29, 2013 10:50 am

pag wala sa eeprom ito. tiyak sira ang uoc

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Tue Jan 29, 2013 5:13 pm

Master Ultra CW81C ang naka-print sa board....

Master Hertz try ko rin ang sinabi nyo...

Salamat po!!!

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by ultrasonic™ on Thu Jan 31, 2013 1:47 pm

ok copy,, DL ko muna

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Lenaren on Sun Feb 10, 2013 1:52 pm

Update lang master... Wala po akong mabilhan na UOC dito sa amin!!

Try kong inquire sa LG service center dito sa amin about this part... problem hindi sila nagbebenta pyesa...

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Re: HELP!!!: LG - 21SB4AD model display problem

Post by Electro on Thu Feb 21, 2013 4:02 pm


makikiabang master

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Re: HELP!!!: LG - 21SB4AD model display problem

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