I am trying to come up with a solution for my shop to test TV panels before we start ordering boards and other parts. I have searched these forums and haven't been able to find anything worth while. What does everyone use? TIA
-
-
Re: Testing a TV panel without working boards.
you can get universal tv/monitor boards from china real cheap - but i dont know if they can drive a big panel with a tcon, they have the 2row connector like on pc monitors. -
Re: Testing a TV panel without working boards.
https://www.aliexpress.com/item/1005...db8a6438782037Last edited by vinceroger69; 12-07-2021, 11:52 AM.Comment
-
Re: Testing a TV panel without working boards.
I have one. Only got it to work on one panel. Still doesn't tell you if it is panel or t-con. I wish they made a t-con tester.I assume no responsibility for any stupid suggestions I might post.Comment
-
TV flashes backlight then reboots over and over. no image. Client said it used to have image for a bit before rebooting. Got worse over time.
tcon is built into mainboard.
Only one cable goes to panel boards.
there is a cable from one panel board to the other that links them.
cost cutting measure that results in us having harder time to diagnose.
removing the link to the second panel board allows TV to stay on with stable backlight but no image.
used cut off tape method to mask 1 maybe 2 pins on the side of the cable that goes to that second panel board.... -
Hello, i have this OLED here, as the topic says OLED65CX.
TV shows standby led, when pressed the PSU clicks, then shut down.
Disconnecting the 12V VIN from the T-Con, make the TV boot up, led flashes like normal and it stays on.
What i've tried so far:
I have a working TV, an OLED55C1. Similar TV... Took all the boards to the C1, 1 by one, and everything works. So basically, all of these boards from the defective CX (PSU, Main, TCON) works either 1 by 1, or together on the working C1.
However, none of the C1 boards work on the CX,... -
I have three identical-spec 820-01700 boards (2.6/32/512), and ALL THREE boards came to us with the same fault, from different sources: The boards don't wake from hibernation with the keyboard or lid, they ONLY wake when you press the power button. I understand this is a very minor issue, but the boards must be fixed!
We will of course begin with the obvious (checking lid signals), but I couldn't help but notice these three boards were all 32GB variants. Has anyone noticed an issue relating to these 32GB boards in particular? I of course don't think it's a RAM issue, but it's bizarre... -
- Prior owner tried a replacement main board. No difference.
- Samsung 2x red blinking standby LED = panel fault
- Jumpered FB_TRDY_1 (pin 1 CN1300 left. main tcon->left side buffer boards) and FB_TRDY_3 (pin 95 CN1301 right. main tcon->right side buffer boards) This allows testing individual T-Con (on main board) connection to panel on this Samsung. Found fault on left side (viewing from rear of TV)
- Each side has 2 buffer boards, disconnected left side flex between 2 buffer boards. Fault is on the left most board.
- Tape masking eventually isolated to CN1300 pin 15 (CKV4_GOA) Display
-
Hello,
The monitor started off showing flickering thin (1 pixel) lines horizontally every say 3mm..
They are black on the right and gradually fade to nothing on the far left.
They start either after 5 mins or up to 2 hours after so annoying for testing.
They flicker continuously very fast! With a slight pause milli-second every second.
Initially I cleaned the LVDS cable and connected to the T-Con and then it worked fine for 3 weeks but not sure if this was just co-incidence.
I tested each half by removing the first the left flex from...
Comment