Re: L65X1Q_DHS / BN44-00627A Samsung UN65F6400AF Standby blinks twice five times
how about you post photos on the PSU and of the socket print chart which it go to main boards.... also measure and listed all voltage you have on the socket with pin name while the 5 blinking time.
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L65X1Q_DHS / BN44-00627A Samsung UN65F6400AF Standby blinks twice five times
I am a noob with some elementary knowledge trying to fix this TV that I have no history on. Any help or guidance will be much appreciated.
When I first examined it was completely dead. saw that the fuse was blown and the ICM801CS blown. I searched and found that the FSFR1800HSL might be the replacement and got one from ebay and replaced it. But when I pulled the ICM801CS I could see the last 3 letters on the blown up part was XSL. So may be I replaced it with the incorrect part. I fixed the fuse and turned it on and it now gives me a standby light blinking twice five times, then clicks and repeats. Checked the entire board and cant find any other visually defective parts. Pulled /20UA60DN and checked it as it's heat sink screw was stripped. It showed 0.469v when negative multimeter lead on middle pin and positive on either side pins and showed no connectivity in reverse therefore I think this one cheched out. Put board back on TV and disconnected the main board lead and turned it on and the backlight came on but when it is connected the blinking standby light happens.
Since I the ICM801CS part number is not legible if anyone can help me find the correct part and any other advice on this endeavor is much appreciated.Attached Files -
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Hi,
i'would like to fix my not working LG 49UB850V tv.
Symptoms:
-AC plugged in, Standby LED not working
-Switching on, Standby LED blinks 3x. LD2300 on mainbord lights up and after ~30s LD701 on PWS board starts to blink 5x repetetive
Checked already:
-Powersupply Output in Standby => 3.5V ok
-Switching On => PWR_On on P201 goes high and 3.5/12/24V are present on P201
Any suggestions what to check next?
Thanks in advance! -
My Samsung UE75TU7020k lights up fine when one of the ribbon cables are disconnected from the main board, lights stay on but not getting half a picture, I do the same with the other ribbon and put the other one in and lights stay on but not getting half a picture. The standby light flashes 2 times then reboots then it then tries to come back on again and just keeps looping until I take either one of the ribbon tables out (doesn’t matter which one I take out it stays lit when either one is out). I’ve tested the backlights but all working with none shorting out, I’ve replaced the main board... -
This is my first attempt at troubleshooting a board like this, I know I could just buy a new board but I'm curious to figure out how this works. I've been testing different components in the evenings this week and I think the problem is with the IC failing to start up for some reason. When the board is plugged in there is no standby voltage.
Then today it randomly sprung to life like a zombie but shortly died thereafter. I have no idea why it would have done that and its the first time I've seen it running. I discharged capacitors on the board last night, then it was sitting today.... -
I know for sure it has a bad cap and one cold solder joint. Just wondering before i order the Caps if anyone has any experience with this model? Just making sure there isnt a common component that goes bad besides the caps.... -
Bought this TV used not working, panel flashed briefly on power up and it was blinking 8 times, a quick look on SS board revealed a common fault on the 3uF 250V capacitors, C201 to C205 (C1620X in the service manual), the solder joints were all cracked, C201 and C205 pins were darkened and some sparking had occurred on them, C201 was split open and clearly overheated in its last hours, replaced that one and resoldered the others, 8 blinks fixed.
Also the previous owner broke the antenna connector by taking the TV out of the wall mount forgetting to unplug it, I desoldered the tuner...
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