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Search: Posts Made By: Diah
Forum: Troubleshooting TVs and Video Sources Today, 04:35 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

not at all... just to clear some things.. i wrote at my post (https://www.badcaps.net/forum/showpost.php?p=990743&postcount=15)

HDMI 3/4 they own their eeprom when HDMI 1/2 with out.. this is...
Forum: Troubleshooting TVs and Video Sources Today, 04:07 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

put back every things... and take out yours MB out to start working BGA station.. start with main IC.... we have the surge hits BGA pins or sandwich line on CPU or NVRAM. ... sorry.
Forum: Troubleshooting TVs and Video Sources Today, 03:55 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

screen black? play your PC hdmi
Forum: Troubleshooting TVs and Video Sources Today, 03:38 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

you can do it but only in this way... if pin 24 are drv_on trace the cable of it which it come from MB.. cut it in the middle then bridge pin 24 with stb put back socket 202.. and turn on and put...
Forum: Troubleshooting TVs and Video Sources Today, 03:34 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

can you show the pins print label of the sockets which goes from PWB to MB?
Forum: Troubleshooting TVs and Video Sources Today, 03:30 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

the main boards didn't sent signal to turn on the panel 24v rallies on PWB.
Forum: Troubleshooting TVs and Video Sources Today, 03:24 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

sure if 202 unplugged you will get 0V on t-con side but 24 on PWB
and if its plugged how much it read on T-CON side?
Forum: Troubleshooting TVs and Video Sources Today, 03:16 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

so 2305 working..
now i want you to remove the socket on the T-CON driver which it come from PWB 24V socket.. turn on and give notice on Audio optic lit red or not... give time 1 minute
Forum: Troubleshooting TVs and Video Sources Today, 03:05 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

so if you check IC4301 IC4400 pins could u find 5V ?
Forum: Troubleshooting TVs and Video Sources Today, 02:26 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

also locate IC2305 (DC to DC )on MB and shoot clear photo of it and round parts such IC4301 IC4400
Forum: Troubleshooting TVs and Video Sources Today, 02:14 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

okay... you need to check on the socket P2500 wich come from PWB pin 3 4 5 6 had 24V or less
Forum: Troubleshooting TVs and Video Sources Today, 02:06 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

yes so now we have the micon reset complete.
now turn it on and check on USB 1 2 3 do you have 5V?
Forum: Troubleshooting TVs and Video Sources Today, 01:59 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

Man... i wrote first you turn on the set.... after it turn on.. plug it out from wall socket... then press 3000 and keep press then plug it back to wall socket... dont use any key or RC
Forum: Troubleshooting TVs and Video Sources Today, 01:47 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

try this keep feeding it with HDMI signal while the set on plug it out from wall socket... press on MB SW3000 (Micon reset) keep pressing it while you plug it back to wall socket.. for at least 5...
Forum: Troubleshooting TVs and Video Sources Today, 01:18 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

let us now explain the function of DDC. before you start with IRON work.
HDMI 3/4 receive the 5V from main processor via IC3306. and you have them.
HDMI 1/2 received 5V direct from main processor...
Forum: Troubleshooting TVs and Video Sources Today, 01:02 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

ok do you have 13V on the socket at main boards which it come from power supply?
Forum: Troubleshooting TVs and Video Sources Today, 09:41 AM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

please don't use external link to upload photos.. lets make it easy.. to use the advance option and upload over here in this threat high resolution focused photo on this parts of MB HDMI3 / 4.

as...
Forum: Troubleshooting TVs and Video Sources Today, 02:34 AM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

its time to trouble shooting hardware issue on Main boards.. lets start with clear photo on the MB.. and tel chassis No. to trace the missing volts.. hope i own the service manual of yours chassis.
Forum: Troubleshooting TVs and Video Sources 09-23-2020, 02:16 PM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

so the set now at block condition.. try this
put back your original power boards if you test it before when bridge it and got 12 &24 v on it

don't use power only command any more.. when the set...
Forum: Troubleshooting TVs and Video Sources 09-23-2020, 11:59 AM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

it seem the wave didnt play correctly.. however i upload over this forum many time apk to run on any android mobile with IR sender.. its more easy and sure too the command sent out.. any way.. if the...
Forum: Troubleshooting TVs and Video Sources 09-23-2020, 01:34 AM
Replies: 42
Views: 280
Posted By Diah
Re: LG 55B6P OLED No image/sound

its early to say where the issue of this set... remember you send power_only via your Diy IR. this will make the MB didnt send DRV_ON signal to turn on the 24V.

i would start by make the TV stand...
Forum: Troubleshooting TVs and Video Sources 09-22-2020, 09:40 AM
Replies: 1
Views: 54
Posted By Diah
Re: LG 55LB5900-UV Smeary Image

after replacing MB need to inter "IN_START" service menu so you can discover if this replacement boards same label or screen size.. thought 49 55 65 all use same MB. but the setting at service menu...
Forum: Troubleshooting TVs and Video Sources 09-21-2020, 01:40 PM
Replies: 21
Views: 275
Posted By Diah
Re: LED TV doesn't want to turn on

so U11 the spi flash... try freezing it to see if the set complete boot and run.. can you read the label on U11
Forum: Troubleshooting TVs and Video Sources 09-21-2020, 01:11 PM
Replies: 21
Views: 275
Posted By Diah
Re: LED TV doesn't want to turn on

carefully remove the white silicon on the part near to the corner of the main ic let see what hidden the spi flash or not
Forum: Troubleshooting TVs and Video Sources 09-21-2020, 01:00 PM
Replies: 21
Views: 275
Posted By Diah
Re: LED TV doesn't want to turn on

i think the spi beside it .. the one covered with white silicon this is Chinese way to cool it down LOL
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