Re: Samsung TV UN55KS8000 dead - bad diode



Thank you Pete. Interestingly, they are not running in parallel, so just replaced the one. Very good point though. Appears to be a bridge arrangement....

I wanted to post about my successful repair of a dead Samsung TV.
Model: UN55KS8000
Power Supply Circuit Board Number: BN44-00878A
Part required: SB5150 Schottky diode 150V 5A


Symptoms:
Powered TV on with remote control. Briefly (less than one second), saw video, then TV went dark.
- Not working at all
- No red LED
- No standby power
- Will not power on

Attempted reboot:
- Initially unplugged TV for about 20 seconds and plugged it back in (This has fixed this TV in the past when it was unresponsive.) Did not...

Re: New Members - please post your introductions here

Hello everyone, glad to find this forum.

I managed to fix a Samsung TV with a bad diode, so once I am cleared to post, I will write a short note about what I found.

Glad to see this forum - it has been very frustrating trying to do component-level repair with very little information to go on.

Brad

Re: New Members - please post your introductions here

Greetings. Managed to fix a Samsung TV (bad diode in power supply), so I am going to post what I found here.