Duration 10:13

LG Home Theater System Repair (S-PROTECTION) Model: LHD657

by PRO TECH Electronics

94 822 watched

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956

Published 5 Aug 2019

In this video im going to show you how to repair and solve the S-PROTECTION and Goodbye message then evevtually coming turn off your LG Home Theater. Watch "LG LED TV Repair, No power troubleshooting (Tagalog)" on YouTube /watch/ojmltsA2K_F2l Watch "How to Repair Microwave Oven "Not Heating" (Hindi Umiinit)" on YouTube /watch/4sLv6e_-GDi-v

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Pano magrepair ng home theater

How to solve S-protection

Goodbye and switch off

Power shut down

Step by step home theater repair

Kusang namamatay ang home theater

Proper way of reppairing home theater

Repair home theater tutorial

S-protection

Lg home theater not working well.

Lg home theater normal voltage measurement

Nag e s-protection

Home theater mosfet defective

Home theater switch off itself

Home theater goodbye message then turn off

Comments - 363

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@jeffreyvalencia28614 years ago Thank you sir,. Ginaya ko ginawa nyo sa LG na yan naayos ko sa sony home theater at gumana nga,. Salamat ulit sir GODBLESS. 1
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@pinoytechdiy49384 years ago Sarap manuod pag kayo nag tuturo sir napaka pro. Nyo kya ang dami kong natutunan sa inyo maraming salamat sana maraming pang kaalaman ma eshare nyo. 1
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@JoseA-Divergent2 years ago Buen video. Se entiende perfectamente ...
Thnks for Sharing. 1
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@mitchelmanuel8223 years ago thanks master for sharing. bangungot ako jn eh. next time alam ko na. thanks po ulit.. 1
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@alfeodonayre18825 years ago Salamat dito sa Video nyo po Sir, kahit nasa malayo kayo, nag share po kayo dito sa amin, lalo na po sa katulad kong bago pa sa electronics. Maraming salamat po ulit Sir, ingat po kayo dyan lagi at God Bless po sa inyo. 2
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@ronaldoq.sabalza57313 years ago Good day Sir,
Thank you for sharing your video.
Meron po ako LG Home Theater DH6330.
Ang problem po .. nag-si-self Mute po sya then babalik ang sound then mag-mu-Mute po ulit sya frequently..
Hoping you can share to us the cause of this trouble..
Thank you very much Sir.
God bless... ... 1
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@shashikaliyanage44584 years ago Really appreciate youer work it true i repair this fault from your help thanks lots great work thanks again ....🤗
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@simplengrecipesnijohncel60024 years ago Mega shout out host. Congrats bongga laki viewers tambay ko to host habang gising p ko nine pm. Plang dito keep safe host 3
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@ZenZayVlogs5 years ago ayan sir lg home tulad ng sinabi ko sasamahan kita sa pag repair ng mga system mo salamat po
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@percivalsantiago79373 years ago Lupit mo boss ikaw na sakalam. Kung malapit ka lang pagawa sana ako sau 1
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@amosokomado24803 years ago Thanks for the video. Which of the transistor(s) will l take out (and replace) to repair and solve the S-PROTECTION and Goodbye message? 5
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@kingwood-um4yx5 months ago Hi I have a home theater amp ARX10 which transistor shall I change on this machine? I removed the boards and cleaned them and used a heat gun to seat components nicely, it ran for almost a month now it has started again S-protection ? ...
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@nonamebarpatong4 years ago Hi. S protection on BH9530TW model. This model has 3 boards. Electronics components not same place your model. Transistors named Q70*. LG just told me spare parts for this model are over. Do you have any solution please ? 1
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@travelightbulb70417 months ago Ngkaganyan din boss ung LG ko, pno kung balak ko pagawa bka may transistor din kyo jan n surplus 😊 1
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@eriquenyabicha54544 months ago Thanks for the video. Can i find the lhd 655B motherboard? Am in Kenya. 2
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@isrjunior3 years ago Hi sir, yung LG home theater ko po DH6530t, putok po yung ic A6053M, yun lang po ba kaya ang problema kung papalitan ko thanks po 3
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@ricardosilvaofc3 years ago Caiu um raio aqui perto de casa e o meu HOME THEATHER LG HT302SD não liga mais, o que houve e como devo medir as tensões? Eu tenho multimetro, solda, ferro, sugador, componetes usados, etc. Me ajuda ae pfv. Obg 1
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@geraldocandido62903 years ago Boa tarde, eu estou com um desse com o mesmo defeito só que o modelo é outro é o LHB625m você pode me ajudar com o problema fico muito grato obrigado 1
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@mwilawamundila498last year Thank you sir for the video.but what is the number of the replacement MOSFET? 1
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@next2010u4 years ago I have the same problem and I will try now
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@zhuli4kt2264 years ago I have same issue on my LG LHD457.. It says Sound Protection then shows Goodbye.. And i can’t See any Q407 but i can see Q406 on my board so please what do i have to do? 2
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@jozkie4 years ago Nice one Sir.. LG Techn.(specialist) pala kayo sir? 4
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@hallmarkcounty2 years ago Thank you for sharing. Ang galing mo, Sir. Kung pwede pahingi email mo, patulong naman sa s-protection problem ng unit na nabili ko. Thank you ulit
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@dianajuan8541last year sir pwd ko po ba ipagawa ung skn ung lg dvd ko kc s protection dn 1
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@shareefktp3 years ago Hello brother..
I have same problem in my LG DVD LHD 655. When i switch on then S-protection and good bye.
Give me a solution for me please.😍
And where I'll find the components? 1
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@iluna77752 years ago Sir Good am/pm pwde po ba pag-isahin yung speaker wire sa likod? Dalawa nalang po kasi yng gumagana red and blue lahat po ng speaker ok po. Salamat.
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@tejaskhatalik28403 years ago Could you please help me with BH6731 as the motherboard part is not available in LG India and asking me to scrap the device.
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@ghtrcvb3 years ago Hellow, you do not have firmware Ic103 (25q32 winbond) from this LHD657 ?
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@techmusicph.35074 years ago tnx sir sa video,,,,,,my Lg home theater din aq,,,ang problema,,nmamatay ang power,,,pwd po humingi ng idea,,slamat sir 1
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@mamaseganteng52454 years ago can it be replaced with AO4301
Thanks before 1
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@thomassichimata25964 years ago Engineer so mostly is the N- Channel MOSFET which causes S-Protection or Goodbye error in the DVD Home theater right or which other component can do that? pliz i have one DVD DH3140 doing the same ..Goodbye after some time when you swich on ... 1
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@maryannestomata98284 years ago gud nun po sir tanong kolang po kong ano pwede mareplace nitong ic sunog kasi sa power supply LG32LF520A...?salamat po....
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@antolinbruno97693 years ago Boss saan ko po kaya pwede dalhin home theatre ko no power on po advice shop na magrepair at parts ng lg makabili 1
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@bheemvino4 months ago LG - LHB675N 2-Channel 3D Blu-ray Home Theater System not ON sir 1
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@mostafakazemi31204 years ago Ok. you replace the Q704 transiator with mosfet transistor and if dvd player have protection is right or board is fire?
Because the protection is not work corectly 1
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@KaBuddyVlog302 years ago Sir paano po pag b protection lumalabas po ung unit ko po 1
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@antolinbruno97694 years ago Boss saan po ba nakakabili ng parts ng lg home theatre kasi may nag power failure po sya pagkaon ng player pumutok daw po
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@akhiljose92115 years ago Hai, DH6330p goodbye error
Where do i get the motherboard sir
What should i do this faulty product
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@hydra8919894 years ago Hello. I have an LG blu ray home cinema lhb625m, and I have it less than 2 months. I have a problem with S-PROTECTION message. Eventually is turns off. What is my problem? It is a new machine. Did I do anything wrong? It still has a guarantee..... the only way is to change the motherboard? ... 1
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@joseesteban18654 years ago anu type ng mosfet yun pinalitan mo n type or p type
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@gltech54652 years ago sir meron po ako ginagawa dto ganyan dn pero b-protect nman na labas ano po kya sira nito.lg dn home theater.
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@mostafakazemi31204 years ago Hi thanks for video , i have question, what is q704 orginal seryal of transistor? Is a p channel or n cannel?
And what is your suggestion for change ?
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@falokunemmanuel95773 years ago When i just turn on the HTS and its connected my phone Bluetooth , the sound is so loud and robust. After 5 secs the sound slowly declines and stops at a much lower and softer level.
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@martinschmidt9593 years ago I am searching for the defective component of the
LG BH9430PW. Same as
LG BH9540TW.
S-Protection error.
Does anyone know the fix for these devices? ...
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@eugenebutihinzhaigene45664 years ago Sir slamat sa video mo..tanong lang sana sir meron akong phillips no sounds home theater din san po ako mag uumpisa magcheck 1
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@johnmichaelportugues91993 years ago Sir saan location mo? Baka kaya mo gawin LG CJ88 ko s-protec din po
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@luispedutem3529last year Hi pareho tau HT LG657 kaya lang ibang board yung sa kin binili ko sa oman nung 2021. Walng Q407 iba n yung circuitry nya. Paano kaya,malaman kung alin yung transistor? thanks 2
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@marlonquismundo3 years ago Sir same din ba ang sira ng LG BH6340H Bluray Home Theater kapag s-protection. 1
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@lordievidal63413 years ago Gud pm sir yng home theater ko na lg nag goodbye po yng lumalabas nag off sabi po sa akin amplifier board po ang palitan
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@johnparkervalmonte89733 years ago sir good day may lg bh6430h po ako may s protection po sya tapos pumutok mga caps malapit sa input ng mga speaker ano po kaya ang possible na nasira? 1
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@henryroldan68153 years ago Boss morning anu sira nito s protect lgcm9760
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@ma.melaniegapate88873 years ago boss pwede po ba e test ang transistor na yan kahit hind na tanggalin sa board? baka kasi mali ang matanggal ko hirap pa naman mag solder ng maliliit na pyesa 1
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@lordievidal63413 years ago Gud pm po meron po kayo amplifier board ng lg home theater
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@mohafton9005 years ago the type of NPN or PNP transistor that you are replacing, I got the exact same case on the LG LHD657. information please 1
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@yzaycabalona57002 years ago Saan po pwede magpagawa saan po location nyo 1
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@aluthuruvictordevanand13204 years ago My friend my dvd home theater DH 6330 showing good bye display .how to repair please 2
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@joyubana445110 months ago ano po kayang sira,, pag puro "PLEASE WAIT" lang yung lumalabas..
model=BH6340 3D BLU-RAY HOME THEATER 1
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@lxg404 years ago Hi I want software upgrades devices drivers forHome Theatre Systems LG HT965TZ please.It’s updated IC FLASH.Can Help me? pliz
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@jonathandiesca92514 years ago Sir pro tech, anong part numbr ng mosfet na ikinabit nyo at ano rin numbr ng original na mosfet? Pinalitan mo ba ng replacement nearest possible spec? Thanks sa video sir. God bless and be safe. Dumarami na may covid19 sa Saudi. ... 1
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@redregala27133 years ago Hi Sir, ask ko lng kung anu pwde gawin s LG 3D home theater model BH6340H npag-on ko po b-protection at goodbye ang nag-aapear,anu po kya problem nya?thank you very much😊 1
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@kcflorida42474 years ago Sir good day here in d phils.
Sir mron po dto sa bahay Lg home theater model CM4350 lumalabas po S protection pagka 1min.matic nag ggoodbye na sya may time din na may sounds speaker bgla nwwala dn
Salamat po sa sagot..
Stay safe&godbless ... 1
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@analynsantos72144 years ago Good eve ser hir in ph.
Mrn po aq LG BH6340 nag auto off tpos s protection n nlbs,same lng po ng sira s demo nyo? Thnx po & god bless..
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@jayar66984 years ago Ano kya sir ang sira ng sony reciever na inaayos q,try q ilagay yong center speaker,hindi xa tumutunog kahit yong ibng channel,audio ic na kaya sir ang sira o need lang isettings yong speaker?
Deadset po to,pero ok na po xa,yong sa speaker lng ang problema,hindi natunog...salamat po ... 1
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@ericksonesgana61844 years ago Gud day lg home theater din po ako.problema po.bigla nlng po nawala ung sound.chineck ko po lahat ng wire sa speaker ok nman po.sound lng po tlga probs nya.bigla nwala. Salamat po 1
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@MdMozammelHossain3 years ago What is that MOSFET transistor Model number ?
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@EphraimMungcal-ig9ev8 months ago Sir ask ko lng po pag malakas po ung vollume ng akin bakit po bigla nawawala ung sound? 1
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@nikolamanza58564 years ago Nice! Galing... may schematic kayo nyan idol? pwede pahingi? 1
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@vetkin265 years ago Sir baka nag re-repair po kyo ng Panasonic Home theater? may local shop po ba kyo? Thanks 1
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@wardimpac4 years ago Tanong ko lang Sir, ung saken bang model HT554TM-A2 pero nakikita ko same problem pero di ko makita sa board ung Q407 nung gaya na nasa video, salamat kung makapagreply po kau dito 1
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@yvanpunzalan7674 years ago hows ABOUT THE B PROTECTION ERROR lg bh6340h motherboard 1
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@nixoncanedo31333 years ago Sir nasira ang power supply ko nang LG DVD HOME THEATER MODEL LHD675
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@jotors7592103 years ago Hi sir meron ako fh6 d-protection naman ang na labas then mag off na sya... ano po kaya ang possibleng sira tnx 1
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@prettypinkgamer45554 years ago Hi sir same lang ba yun pag hondi s protection nkalagay pero nag hehello then goodbye na agad sya? 1
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@cherrielynarpia50914 years ago Ganyang ganyan po ang sira ng LG ko at ganyang model. May specific code ba dapat ang ilalagay na transistor? Kung meron po ano po kaya code. Napakaliit po kxe ng sulat hindi mabasa. Salamat po. 1
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@ekechikingsleyifeakandu96854 years ago How can fix DVD Home threater System 850w no sound
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@lordievidal63413 years ago Sir yng home theater ko lg DH6330 sa akin mag open ng ilan segundo tapos goodbye na ang lalabas sa screen tapos off na sya 1
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@reynaldovaldez47673 years ago Hello sir ask ko lng po ano po yng number ng ic nyan sa power supply nya 8 pin sya peru open ang pin 6 putok po kc wla na makita na number 1
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@nielllagunoluces69634 years ago good day sir,meron po samsung home theater ht tz325,ng oon cya and ng play, then after mga 3-5 minutes ng goodbye,and d naikot ang fan,my problema po ba sa power supply nia or sa main board? 1
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@ebongais13 years ago Sir ano po kaya sira ng LG Blu-ray Home Theater ko. Paiinitin muna ng almost 15 mins bago mag read yung Lens. Kapag bago bukas nag No Disc. Pls help me 1
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@franzchiu4 years ago Hi I have same problem, mine is LG lhd657, do you have service in Metro Manila?thanks 1
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@ricardoabdao6542 years ago sir magkano po pagawa sainyo ganyan din issue
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@gowonscrunchyscalp3 years ago Sir, paano po kaya pag yung home theater nagana lahat ng functions at modes nya pero pag dating sa FM radio walang sound, kahit static wala. Nag try na po ako magpalit ng new antenna wala pa rin. Ano po kaya problema? Capacitor po ba or potentiometer? Or kulang sa linis? Thanks ... 1
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@donatomatias69554 years ago good day po sir mron po ako lg dvd home theater model 3120s ang problem po ay disc error at minsan no disc ok nman po un ribbon at motor nya un lens na glaw at na ilaw nman ano po kaya ang kailangan gwin wait ko po ang advice mo tnx and God bless po ... 1
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@nixoncanedo31333 years ago Saan ako makabili or saan ko to ipapadala for repair
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@lordievidal73244 years ago Gud pm po sir ask ko lang po nag off po yng home theater ko po mga ilang segundo po sabi po ng tumingin amplifier board daw po ang sira meron po b kayo piyesa po salamat 1
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@satriopembayun51475 years ago what's serial number of that transistor pare?
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@gabrielitobelangel28193 years ago sir good day po. mayron akong LG SH95TA-S medyo luma napo siya pero ok naman po siya except yong front L speaker niya paminsanminsan makarinig kanang parang growling sound while playing the music or e low mo volume makarinig ka parin ng growling sound. sana matolongan mo ako sir via sa yong maboting advice po..tyvm and God Bless po. ... 1
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@junmarkalicos63304 years ago Boss may LG 43inch. Ako, no picture sounds OK, back lights OK. Pinalitan ko na ng bagong tcon board ganun parin. Please advice 1