Good morning I have a problem with my [B]Samsung UE49MU6120KXZT (Version 01)[/B] TV with Motherboard[B] BN94-12644A[/B].
After disconnection from 220V the TV remains switched off with status led off. I need information on how to proceed with reprogramming the flash memory and the BIN file to reprogram it.
I have purchased this programmer on Ebay: [B]CH341A EEPROM PROGRAMMER FLASH BIOS 24 25 SERIES + CLIP TEST[/B]. I include photos of the motherboard. I am not very experienced but I would like to learn so the more detailed the information, the better it will be for me...
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-
05-17-2024, 04:55 AM
-
hello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia...Yesterday, 03:37 AM -
Hi, I have a power supply that now is working but generating a lot of heat (200ºC) in the resistors circled by green (see photos) with a minimal load (60W). Output voltage is correct with that minimal load. What cai I look now?
Thanks a lot05-17-2024, 05:43 AM -
Hi,
I've been searching for a schematic for a Denon UCD77 without any luck, can anyone help?
Thank youYesterday, 10:25 AM -
Hi masters, anyone can help me with BIOS? Long story short, spilled unit, did not start at all. Found two burned resistors in 3.3/5V step down controler. Now unit start, but it takes 30-40 second to get a picture and than FANs start run at full speed and turn off after 20 seconds, so could be ME corrupted...
Lenovo Legion PRO 5 16IRX8
S/N: PF4MN0RM
Board: NM-F091
i9-13th + RTX 4070
Both dumps attached. I tried to clean, but I am not getting picture at all, even after minute.
There is no boardview and schematic, so would like to try...Today, 03:03 AM -
Hello
I'am a beginner in electronics repair and i got some trouble to find what's goning on a computer. It is a lenovo yoga C940-15IRH laptop and the screen doesn't work anymore, but that work on an external one
the screen seams to be hard to unbuild properly so i want to test it by other way
how can i be sure if the signal is really send to the screen ? i did some check on screen connector on LCD1 got 19v and on MiC1 connector on the other side of the screen (dunno if it's for the screen itself or other thing) got a lot of 3.2v pin
did u got...05-04-2024, 10:00 AM -
Hi guys , i hope this is the right place , i got Plasma Samsung PS-50Q91H and i need to repair Ymain LJ41-05120A , but those component are burn and i can not identify to replace those part , and the part are blue capacitor and the location are C5105 and C5106 and here i attach the part that need to identify , and one more thing , i also need to replace Zener Diode on location ZD5502 and the part are BZV55C because mine is short but i don't know the voltage because those parts are release with many type of voltage. Looking forward for your kindly reply
Today, 02:32 AM -
Hi guys,
I have a Gigabyte GTX 1080 G1 Gaming 8GB gpu. The earlier life of this gpu is unknown.
Fans are spinning on full speed.
All main voltages presents but gpu not detected by motherboard.
The voltage on pin 1 of the bios is constantly 1.8V
During visual inspection i noticed a brown spot on the top of the chip.
Maybe burned this GPU?
Does anyone have an idea where I should go next?
How do I check if the GPU is still alive?
[URL=filedata/fetch?filedataid=336585][ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3267995}[/ATTACH][/URL]...05-09-2024, 01:24 PM -
hi everyone i need working bios pls gigabyte b450m s2h v2.Today, 02:12 AM
-
Model : ZAUR - DAZAURMB8D1
Rev : D
Acer Aspire A515-45 --- A515-45-R8ND
S/N : NXA80OEM005219107007600
SNID : 21906732876
Big Thanks in advance....Today, 02:04 AM
-
Hi,
I have an HP 255 G8 that runs for as long as its battery holds charge but won't accept AC power.
I have partially diagnosed the problem and the issue seems to be that there is no ACDRV output from the BQ24735 to turn on the two input MOSFETs. The 24735 has a VCC of 19.57 V, the ACDET input is at 2.93 V and the REGN 6V LDO is outputting 5.98 V, so everything looks good - but ACDRV is stuck at 28 mV.
I've already replaced the 24735 and both input MOSFETs and nothing has changed.
I'd appreciate some suiggestions as to what to try next.Yesterday, 08:45 AM -
Hi masters, anyone can help me with BIOS? Long story short, spilled unit, did not start at all. Found two burned resistors in 3.3/5V step down controler. Now unit start, but it takes 30-40 second to get a picture and than FANs start run at full speed and turn off after 20 seconds, so could be ME corrupted...
Lenovo Legion PRO 5 16IRX8
S/N: PF4MN0RM
Board: NM-F091
i9-13th + RTX 4070
Both dumps attached. I tried to clean, but I am not getting picture at all, even after minute.
There is no boardview and schematic, so would like to try...Today, 03:03 AM -
Hi guys , i hope this is the right place , i got Plasma Samsung PS-50Q91H and i need to repair Ymain LJ41-05120A , but those component are burn and i can not identify to replace those part , and the part are blue capacitor and the location are C5105 and C5106 and here i attach the part that need to identify , and one more thing , i also need to replace Zener Diode on location ZD5502 and the part are BZV55C because mine is short but i don't know the voltage because those parts are release with many type of voltage. Looking forward for your kindly reply
Today, 02:32 AM
-
hi everyone i need working bios pls gigabyte b450m s2h v2.Today, 02:12 AM
-
Model : ZAUR - DAZAURMB8D1
Rev : D
Acer Aspire A515-45 --- A515-45-R8ND
S/N : NXA80OEM005219107007600
SNID : 21906732876
Big Thanks in advance....Today, 02:04 AM -
Dell Latitude 5590 ST FH1MNQ2
DDM80 LA-F411P REV 1
pwb mp3pg rev A00
Can you help me?
Thx...Yesterday, 04:37 AM -
-
Hello people. I trying to repair my welding machine oerlikon citomig 180mp hpf and there is a little board with blown stuff.The problem is i cant identify the value of the blown resistor and diode. Any suggestion?05-18-2024, 01:22 PM
-
Hi,
Does anyone have schematic for Dell Latitude 3420 (Cyborg L14)
i need part number for the circled component
[ATTACH=JSON]{"alt":"Click image for larger version Name:\tDell Latitude 3420_LI.jpg Views:\t0 Size:\t1.90 MB ID:\t3274232","data-align":"none","data-attachmentid":"3274232","data-size":"custom","height":"973","title":"Dell Latitude 3420_LI.jpg","width":"730"}[/ATTACH]...Yesterday, 02:03 AM -
Hi, I have this laptop , battery charge ok, also when powered ON and insert charger battery charge ok, but problem is IF charger is inserted and no matter if removed after that when switch off laptop or going hibernate when lid closed, in that case cannot start again when pressing power button, unless I reinsert battery.
When operate on battery only no problem at all.
Also, if remove battery and use charger only no way to start laptop ( I have second same model and it works on charger only fine).
There is sensor touch button (see image) when pressed on good laptop ,laptop...Yesterday, 11:45 PM