PLEASE HELP! Samsung un40h5203af


	FORUM HOME	SEARCH POSTS	WHO'S ONLINE	LOG IN	RULES F.A.Q.

TV Forums: TV Equipment: TV Repair Forum:
PLEASE HELP! Samsung un40h5203af

Print Thread

cjones636
New User

Dec 18, 2016, 8:50 PM

Post #1 of 11 (2235 views)
Shortcut

PLEASE HELP! Samsung un40h5203af	Can't Post

This is my brothers TV and it's super sad over it as he saved his money and bought it.

This is what it does.
https://www.youtube.com/watch?v=E9PyIuJ8bzY

Pics
https://s23.postimg.org/ox5kpaxx3/15595963_1319327461442138_1994913943_o.jpg
https://s23.postimg.org/906ssl5iv/15657785_1319327258108825_994316596_o.jpg

To me, that ceramic capacitor looks bad. It's brownish and sunk in.

Yesterday we had a power outage where a tree fell across the lines. When the power came back on, he was watching tv for about an hour after the power came back on and it started doing the above in the video. I think it was just a coincidence, but he swears thats what did it.

(This post was edited by cjones636 on Dec 18, 2016, 8:53 PM)

jts1957
Veteran

Dec 18, 2016, 11:36 PM

Post #2 of 11 (2220 views)
Shortcut

Re: [cjones636] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

Unplug the cable between the Power/LED Driver board and the main board. Does the panel light up AND STAY lit?

-------------------------
Location: Far, Far Away

cjones636
New User

Dec 19, 2016, 12:02 AM

Post #3 of 11 (2217 views)
Shortcut

Re: [jts1957] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

Unplugged, it's still flashing.

Put as i took the back off, is this normal?

https://s23.postimg.org/gns2412yz/15658064_1319456854762532_1613943730_o.jpg

jts1957
Veteran

Dec 19, 2016, 12:34 AM

Post #4 of 11 (2216 views)
Shortcut

Re: [cjones636] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

A13V steady? With & without CNL802 plugged in?

-------------------------
Location: Far, Far Away

cjones636
New User

Dec 19, 2016, 11:09 PM

Post #5 of 11 (2204 views)
Shortcut

Re: [jts1957] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

CNL802, the number on the multimeter was not steady and would bounce around with the "flash" of the tv, plugged in or not and it was different every flash.. 10.x, 5.x, 11.x.... Power supply?

(This post was edited by cjones636 on Dec 19, 2016, 11:09 PM)

jts1957
Veteran

Dec 19, 2016, 11:51 PM

Post #6 of 11 (2199 views)
Shortcut

Re: [cjones636] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

"A13V" steady? With & without CNM803 plugged in?

-------------------------
Location: Far, Far Away

(This post was edited by jts1957 on Dec 19, 2016, 11:51 PM)

cjones636
New User

Dec 20, 2016, 2:14 AM

Post #7 of 11 (2192 views)
Shortcut

Re: [jts1957] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

A13V Without CNM803 plugged in: 12.6 (Steady)
A13V With CNM803 plugged in: Bounces from 5.x 9.x 5.x etc...

(This post was edited by cjones636 on Dec 20, 2016, 2:17 AM)

jts1957
Veteran

Dec 20, 2016, 2:27 AM

Post #8 of 11 (2183 views)
Shortcut

Re: [cjones636] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

Since the A13V 'bounces' with the LED Backlights (CNL802) plugged in or not and stops bouncing with the Main board disconnected (CNM803), sounds like the Main board is likely at fault.

-------------------------
Location: Far, Far Away

cjones636
New User

Dec 27, 2016, 9:50 PM

Post #9 of 11 (2084 views)
Shortcut

Re: [jts1957] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

In Reply To

Since the A13V 'bounces' with the LED Backlights (CNL802) plugged in or not and stops bouncing with the Main board disconnected (CNM803), sounds like the Main board is likely at fault.

It wasn't the main board, it was the power supply. Ordered a brand new Main board and it still did the same, so i went ahead and ordered a power supply from ebay and just installed it and it worked.

(This post was edited by cjones636 on Dec 27, 2016, 9:51 PM)

jts1957
Veteran

Dec 27, 2016, 10:45 PM

Post #10 of 11 (2081 views)
Shortcut

Re: [cjones636] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

Can't be ~~wright~~ right all the time. Crazy

Were any of the electrolytic caps puffed or leaking? You only showed two in your pix.

-------------------------
Location: Far, Far Away

(This post was edited by jts1957 on Dec 27, 2016, 10:46 PM)

rolodexbob
New User

Jul 24, 2017, 8:09 PM

Post #11 of 11 (1609 views)
Shortcut

Re: [jts1957] PLEASE HELP! Samsung un40h5203af [In reply to]	Can't Post

Hi � I have this same Samsung UN40H5203AF and when I disconnect the �cable between the Power/LED Driver board and the main board� the panel lights DO come on and stay on. Can you tell from that what the problem is? Thx.

Print Thread

Search for (options)

- Page loaded in: 0.21 s on (CGI/1.1)