With reference to the thread...
Here
I'm wanting to repair multiple Samsung LA32C400 TVs. (Shares the same PSU as LE32C450)
Most have the same fault as described by the OP in the thread above.
I have not tested the actual psu boards but doning one from a fully working set does do the trick.
PSU board is again the BN440033A version (not B).
Soooooooo,
Q1) Is it safe to assume that the same brown poly cap as shown by martino is the one to attack on each of these faulty sets?
Q2) Another set comes on fine but once warmed for a minute or so has horizontal "interference" lines along the top third of the screen. What should I be looking at to fault find this?
Many thanks.
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Hello everyone,
I got a Samsung The Frame 55 inch TV for free from uncle cause it is not turning on anymore. I am in the second year of training as an electrician so I have knowledge already but I am far away from to be a pro.
The TV has Standby but ist not turning on. A Friend of mine owns a 50 inch Frame TV so I checked the One Connect Box and the One Connect Cable there. Both are good and working normally. I have opened the TV case and measured some voltages on the Board.
What I already found is that the 12.8V are not an the connector to the main board connector to the power... -
TV: Samsung QLED QE65Q7FNAT
PSU: BN4400940A
MB: BN94-12832K
I got the tv in spring 2024. At that time it started, then ran 60 sec and poweroff. Seemed like reboot issue. I didn't have time and room to check it in summer so I plugged it in and now the standby light is on. I press button on remote, standby light goes off and tries to start?. No picture or backlight on LCD. I thought about removing diodes like in this thread: https://www.badcaps.net/forum/troubl...sung-qled-q60r... -
Hey Everyone,
So I've got this Samsung and the reported issue is that when powered on the backlight comes on, but no picture, no sound, it will flicker, the standby light will flash red twice and repeat the whole process...each loop lasts about 15 seconds.
I've googled the issue and understand it is likely a panel/driver board issue, but was hoping the "tape method" could be successful. Before I did that though, I disconnected the left LVDS cable and powered the TV on. This time I got sound, no picture and the two blink standby light stopped. Did the same...03-27-2023, 07:01 PM -
Hello,
I've got a problem with a Samsung UE60KS7000 that was given to me and said that there was a problem with the One Connect box but as I understand the TV should turn on even with the One Connect box disconnected (which it doesn't). There is no stand by light.
I've disconnected the Main Board from the PSU and when connecting to mains the backlight turns on which suggests the PSU might be ok. I've measured the voltages out of the PSU and they seem reasonable (like the labels say). The main board has no obvious burns, there are no shorts on the power rails anywhere.... -
I have Samsung UN65MU6300FXZA with Mainboard BN41-02662A, dead , No Standby Light. I suspect result of main power jumping. Checked all voltages on main board ok,..
My main suspect is bad flash memory, ...
Any suggestions or can someone please check dump file, in the attachment
Thank you...