LG HOME THEATER Power shut down, simple troubleshooting (TAGALOG)

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Technical PRO Vlogs

Technical PRO Vlogs

4 жыл бұрын

optical lens reading, but power shut off after s few second.

Пікірлер: 77
@dysan45
@dysan45 3 жыл бұрын
Might be a bit old now and may not apply to this model but FYI based on some research, I have a LG LHB336 which was shutting down after a few seconds of being turned on, just said "good bye" , some videos on KZfaq suggested there was a short in the amplifier board output ic's, however in my case for the brief period it was on the sound on all outputs were clear, speakers tested fine no shorts and all voltages on mainboard, amp board and power supply board were to spec based on my service manual. What I did notice on my model was the dvd tray would not eject but a flashing red dot on the display for every command indicated a command was being received. I discovered if I kept tapping the eject button for eg. 30 seconds, the system would no longer shutdown/good bye, as if it was now tricked or confused and not the behavior of a fault protection circuit. Well turns out the tray eject motor functions are part of the main control chip and that would explain the 'confused behavior' A lot of these unknown issues were found in many LG models and pioneer models which share the same circuit boards made by LG. The main control chip Broadcom BCM7633 is a bga chip (I can't say if all affected models shared the same chip) however it turns out due to a design flaw, the chip was fitted with a ridiculously small/thin black heat sink, to small to keep the chip cool enough in conjunction with a heat pad instead of thermal paste, thermal stresses during the heat cool cycles and for all we know poor soldering process causes the tiny solder beads connecting chip to board, to break over time creating a cold joint if you will. My best guest the type of error once you have ruled out a shortage or voltages fault, comes down to firmware and/or which solder beads have the cold joint which may determine the failure. Solution it to reflow this chip. If this solution works for your fault then the next step is to immediately upgrade to a better heatsink with cooling fan and good thermal paste. I fear heatsink alone will eventually get too warm and recreate the cold joints. Shame on those greedy manufacturers for just discontinuing the models and no information of the fix for the many owners. I'll post some links to the credit of others who discovery and fixed their faults. forum.donanimhaber.com/lg-bluray-cihazlarda-please-wait-sorunu-cozumu--74386607-5 www.commentreparer.com/37411/Home-Cinema/Home-Cinema-Pioneer-BCS-717-s-allume-et-s-eteint?page=3
@somerandomguyfromthestreet464
@somerandomguyfromthestreet464 2 жыл бұрын
I have the ht503 model. And it does the same shit. I turn it on it spins the fan 3 times then says "good bye" First I thought "dead psu" but after tricking the 32V one to start(for the amp board) it was fine then I thought "amp board is dead" and gave up for 6 months on it to find a replacement. Now I built it again(it was sitting in my room torn apart) and changed the class D amp's thermal paste with MX-4 and what do you know it works!...for like 10 minutes but I discovered that the amp is fine...not the dvd how ever. The thing could barely edject and the motor for cd barely spun. Later while in aux i was listening to music and tried the edject button and it worked and after 5 minutes the sound cuts off and the dvd spins the motor still staying on aux and guess what? "Good bye" I do not have the chip you are specifying but I think its the cd motor driver chip "IP9010L" it has a resistor for current detection Which was shorted from the previous repair shop. So my only guess is that this is the problem a shit out of luck chip for driving 3 motors and a whole 6 channel amp poof gone not being able to be used. What a shame! Thanks for your comment it helps me alot to find the problem.
@MichaelDavidOyco
@MichaelDavidOyco 4 жыл бұрын
lakas naman mka goals nito. sana oil hahahhaa ang informative. pag nagkaron kami balikan ko to haha
@melvin3421
@melvin3421 3 жыл бұрын
Thanks Sir, just what I needed.
@nuevabikesadventure8910
@nuevabikesadventure8910 3 жыл бұрын
Nice content sir.. watching bikes adventure..
@gabrielitobelangel2819
@gabrielitobelangel2819 3 жыл бұрын
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.
@adamzkietv6437
@adamzkietv6437 3 жыл бұрын
Salamat idol... Mag repair dn ako dito
@salmanhussain9042
@salmanhussain9042 Жыл бұрын
Ty so much😊😊
@stevesakanya3203
@stevesakanya3203 3 жыл бұрын
How can i get this video in English?
@zikfrector_s
@zikfrector_s 3 жыл бұрын
Boss, I have the same model and same issue. Saan po location ng shop ninyo?
@icharlicharlo_1994
@icharlicharlo_1994 Жыл бұрын
I have the same problem to my LG dvd... Its says "Hello" and after some few minutes its goes off " goodbye"! How can I solve it.. am in Kenya
@markoheir1111
@markoheir1111 4 жыл бұрын
Gandang Hapon kuya Kleng,, MarkoHeir po ito,,Subsscribed done na po
@technicalprovlogs6249
@technicalprovlogs6249 4 жыл бұрын
tnk u boss marko..
@markoheir1111
@markoheir1111 4 жыл бұрын
@@technicalprovlogs6249 Abangan ko mga videos mo po dito
@khamisalihussein8785
@khamisalihussein8785 6 ай бұрын
I kindly request to know the part number of the transistor outputting the 32v DC in the power supply.
@salmanhussain9042
@salmanhussain9042 Жыл бұрын
Super bro
@sexyreighn017
@sexyreighn017 Жыл бұрын
Location mo po? Pwede magpa gawa home theater din. Nag automatic shut off after a few seconds
@shaneeshk9001
@shaneeshk9001 2 жыл бұрын
Thanks bro. This same prbm DH6340P. Try
@iluna7775
@iluna7775 2 жыл бұрын
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.
@jusofcariaga7340
@jusofcariaga7340 3 жыл бұрын
The same model din boss ung akin. Pero ung main board sa part ng mga saksakan ng mga speakers may pumutok sa part ng 1000uf50v at inductor (right part). at natuklap po ung board upper at lower. D ko makita ung nasunog na mga resistor din po. Please po kailangan ko ung picture ng main board at ung mga details nya po. Sana mapansin itong comment ko po❤️
@carlitotacalan5218
@carlitotacalan5218 3 жыл бұрын
Sir san po ba area nio, pagawa po sa inio ung ganyan ko parehas lng po sila ng problema.
@ericjohnferrer6229
@ericjohnferrer6229 3 жыл бұрын
Boss yung sakin parang ganyan din na model. Pag pindutin stop nag oopen yung lagayan ng cd, pag pindutin yung katabi ng play nagha shutdown sya.
@yawzi
@yawzi 2 жыл бұрын
saan shop mo sir? ganyan din problema nung lg receiver namen.. baka pwede po magpa gawa..
@leslyjtumandao2059
@leslyjtumandao2059 3 жыл бұрын
Boss tanung qo lng po saan po shop nyo gnyan din po issue ng player qo
@cristinayu7021
@cristinayu7021 Жыл бұрын
saan shop nyo? may problem exact model ko... gusto ko pa-check
@JarhenAlfaroMaquiso
@JarhenAlfaroMaquiso 6 ай бұрын
Boss pwede pa service? Ganyan din po issue ng dvd ko na LG. Dinala kona sa paayusan wla parin ngyari same issue parin po
@user-bp5zr5xr4d
@user-bp5zr5xr4d 7 ай бұрын
Sir, ganyan din yung lg wireless home theater ko nagshoshotdown mag isa, pwede pa service or saan location mo sir papagawa ko sana sayo.
@richellacorte9292
@richellacorte9292 2 жыл бұрын
Gud pm boss ask ko lang same ky problem nong LG home theater ko..bigla din nawala power supply nya..ginamit ko s music using USB..then mga 3 hrs ako nag music un nga nawala power supply promo pinalitan ko ng fuse un tumunog nman but after 1 hr nawala ulit power supply .ano ky main reason non..?
@crispinmirandaDC
@crispinmirandaDC 3 жыл бұрын
Sir ganito sin po problem ng player ko. San po location nyo para dalin ko po sa inyo. Isang buwan ma po kasi di magamit yung player. Salamat in advance po.
@user-oi2ev7vi1p
@user-oi2ev7vi1p 8 ай бұрын
sir.morning po...ang home theater ko po umusok bigla ko nmn po hinugot....parang may umamoy sn kopo dpat dalin.
@user-yr9uy7mv8m
@user-yr9uy7mv8m 6 ай бұрын
Good eve sir same po nang problem yong lg home theater ko
@irk215
@irk215 2 жыл бұрын
Good sair🙏🙏🙏
@zeroblock.00
@zeroblock.00 3 жыл бұрын
Pwd b boss gnyn dn gwin ko kse auto power yung sira ng skin. Wla kse aq tester .ok lg kya gnyn dn gwin ko??slmat boss
@maryriahjoyperdido6135
@maryriahjoyperdido6135 3 жыл бұрын
I got the same problem talaga sa video. Pano po to maayos?
@user-uw2fb1yn1y
@user-uw2fb1yn1y 9 ай бұрын
I have the same problem with my LG dvd, it seems like all LG dvd have same issues
@chrislenefelix4056
@chrislenefelix4056 Жыл бұрын
Hi sir pwede po ba ako magpaayos sayo ng home theater ko same problem po sa video nyo saglit lang din po namamatay na say GOODBYE😬 yung power supply din po ang sira ng home theater ko.paano po ba ito maipapagawa sa inyo?thanks
@eusebiocayabyab8088
@eusebiocayabyab8088 3 жыл бұрын
Ganyan din sa akin idol, pero problema nawala na yung woofer wl na lumalabas na audio pero ok nmam yung subwoofer spkr ko, anu kaya posibleng sira nito? Siya pl new subscriber mo ako
@elixdeguzman1013
@elixdeguzman1013 3 жыл бұрын
Sir yan issue ng unit ko. Saan location ninyo po?
@marializabascruz2379
@marializabascruz2379 2 жыл бұрын
Ganyan din Po ung samin boss Samsung namamatay din nkalagay Po fan Ng sa screen nang home theater ano Po Kya problema dun
@marializabascruz2379
@marializabascruz2379 2 жыл бұрын
Ah dati Po nkalagay Po sa monitor display Nia DVD fm ska aux lng Po ngtaka Po kami ngka room nang FAN NG tpos mmya Po kusa Po siang mamamatay
@freddiepanes1426
@freddiepanes1426 2 жыл бұрын
SIR SAN PO SHOP NYO?
@zeroblock.00
@zeroblock.00 3 жыл бұрын
Boss location m???gnyn dn sira skin
@alfreddagsaan6436
@alfreddagsaan6436 2 жыл бұрын
boss yung sakin ayaw mag connect sa video s may tv nagpalit na aq hdmi ganun parin
@quyamanny
@quyamanny 3 жыл бұрын
Pano po pag Ang fan di gumagana
@augustineigbinovia8581
@augustineigbinovia8581 3 жыл бұрын
Can you do English version because I could not understand the language used
@interestvph2255
@interestvph2255 Жыл бұрын
Cause americans are stupid with electronics
@batangmosmostv9263
@batangmosmostv9263 3 жыл бұрын
San po location boss?
@chrislenefelix4056
@chrislenefelix4056 Жыл бұрын
Saan po ang location nyo?
@salmanhussain9042
@salmanhussain9042 Жыл бұрын
I attended same compliend same problem fuse is burn
@KRISfabian2506
@KRISfabian2506 2 жыл бұрын
same na sme lang unit natin boss,
@KRISfabian2506
@KRISfabian2506 2 жыл бұрын
boss ganon sakin biglang goodbye agad,
@siddabattunimadhubabu9296
@siddabattunimadhubabu9296 Жыл бұрын
Same problem
@jenebabe1752
@jenebabe1752 3 жыл бұрын
sir baka pwede nyo irepair yung sken same issue po please
@technicalprovlogs6249
@technicalprovlogs6249 3 жыл бұрын
saan po location nyu?
@rajeevrajan8899
@rajeevrajan8899 Жыл бұрын
Sir this board ka str number pls
@renkor4713
@renkor4713 2 жыл бұрын
Sir saan po location nyo? Meron ako LG, "please wait" lang ang display after i-open then ayaw na magtuloy. Thanks
@jericreyes2263
@jericreyes2263 2 жыл бұрын
same issue. minsan mg bubukas pero ang sound prang sinisinok 😅
@lucerobobith1452
@lucerobobith1452 3 жыл бұрын
boss.. lg receiver ht554 model home theater din.. sunog ic nya sa may amp nya.. available ka ba jan?
@technicalprovlogs6249
@technicalprovlogs6249 3 жыл бұрын
nde ba TAS 5342 number ic nya?
@lucerobobith1452
@lucerobobith1452 3 жыл бұрын
@@technicalprovlogs6249 tas 5352 boss
@lucerobobith1452
@lucerobobith1452 3 жыл бұрын
@@technicalprovlogs6249 pero dapat dito boss board siguro.
@lucerobobith1452
@lucerobobith1452 3 жыл бұрын
@@technicalprovlogs6249 naka lagay sa board is TH554/503/903
@technicalprovlogs6249
@technicalprovlogs6249 3 жыл бұрын
meron nyan sa shoppe or lazada, mura lang order u nlng, mdyu mahirap lang ikabit yan, need hot air & microscope.
@marjoriefuncion2780
@marjoriefuncion2780 2 жыл бұрын
Hi kua kpag ba magpplay ng usb sa dvd player need ba tlga na iopen ang tv ?
@technicalprovlogs6249
@technicalprovlogs6249 2 жыл бұрын
kung music lng nmn ang ipplay mo, pde khit nde na i open ung tv, pero kinh gs2 mo makita ung mga song list at caption need mo open ang tv
@marjoriefuncion2780
@marjoriefuncion2780 2 жыл бұрын
Music lang kua kc nagdounload po ako sa usb ngayon isasaksak ko sa dvd player ngsearching sia den hndi gagana zero lang nalabas.
@edselbigbig1607
@edselbigbig1607 3 жыл бұрын
galing mo sir, saludi naman ako sau yan din po problima sa lg ko
@edisonmallari4307
@edisonmallari4307 11 ай бұрын
Hi sir saan po shop nyo
@technicalprovlogs6249
@technicalprovlogs6249 11 ай бұрын
Province po sir, ilocos
@btsarmyclubbytheeditingguy5077
@btsarmyclubbytheeditingguy5077 2 жыл бұрын
my player dosent even turn on
@wilsonso5628
@wilsonso5628 Жыл бұрын
Ganyan problem ng home theater ko😪
@siddabattunimadhubabu9296
@siddabattunimadhubabu9296 Жыл бұрын
Automatic power off
@wilsonso5628
@wilsonso5628 Жыл бұрын
Ganyan saken d nagawa dto samin.
@technicalprovlogs6249
@technicalprovlogs6249 Жыл бұрын
Sayang nmn
@vascoribeiro69
@vascoribeiro69 3 жыл бұрын
Foda-se não há em inglês?
@vinzenzot
@vinzenzot 2 жыл бұрын
How can i get this video in English?
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