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Re: Samsung PN42C430 Plasma no picture please HELP
Hmm, I'm noticing anything out of the ordinary. 2, 3, and 6: You can further test by holding black on pin 3 while quickly touching red to pin 1 then moving red to pin 2. Should get something like 0.5V.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
I wonder if the VS and VA voltages stay up without the Y-buffer connected. I'd be careful if you try that. I've found that the Y-main holds a charge, so you could possibly damage the Y-buffer if you don't wait for the charge to dissipate before reconnecting them. I had to wait at least 15 mins, and I checked voltages at the Y-main-to-Y-buffer connectors to be sure. You can force the discharge by using a resistor on the Y-main's capacitors (one resistor lead on pos and the other lead on neg) - can't remember the resistor value needed to do this.Last edited by capkid; 05-01-2013, 04:11 AM.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
The tv I worked on was a RCA 42PA30RQ with these Samsung internals. The power supply would not stay at panel voltage with the X-main disconnected.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
Well, I'm out of ideas at this point. Maybe Tom has other thoughts.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
These newer Samsung will shut down if X-main or Y-main are not detected as functioning or if they are not connected.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
Since they're so cheap, I might give another X-main a shot. However, I'd test the components on the board before installing it in the TV. If that doesn't work and the X-main blows, I'd probably replace them all at once. I still think there's a fault somewhere on the Y-main or buffer. I generally hate throwing parts at TVs, though.Last edited by capkid; 05-01-2013, 02:38 PM.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
Ok boys im going to start fresh, shop jimmy is sending me 2 other Y-Main and Y-Bufffer boards and I was able to source an X-Main here in my city from an authorized Samsung repair shop the board is brand new for $55. Ill wait till I have every board then test each one with the meter then install all at same time and fire it up and see what happens. Ill keep you all posted.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
Remember!! If you don't want your TV to fail in short order you MUST apply the firmware update!Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Samsung PN42C430 Plasma no picture please HELP
That's fine then, firmware is stored on control board and main board.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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This specification for the Samsung Galaxy Book 2 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Galaxy Book 2 boardview and Galaxy Book 2 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...09-07-2024, 05:50 AM
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Hi, I have a Samsung UE50TU with:
- sound and backlight, but no picture
- when it arrived, it had a picture for a few seconds
- it keeps rebooting
- without ribbon cable between the two panel boards, it does not reboot but I have no picture
- without cable between mainboard and lcd panel, it does not reboot (but obviously i have no picture)
- when i try a tape fix, its keeps rebooting, unless I tape off pin 1 (the innermost pin). In that case it does not reboot but I have no picture.
- without cable between mainboard and lcd panel and with a jumpered... -
Hi Guys,
This forum has been in great help to me, but I stumbled upon a strange problem with a salvaged Samsung TV that I am banging my head to troubleshoot.
PSU: L48S6 FHS BN44-00807D
T-Con: BN95-01937A
Panel: CY-GJ048HGLVLH
MB: NA (Currently as the TV is assembled and forgot to take picture)
As I said earlier I have some issues with the TV I got from a friend of mine. The TV had no picture, but sound, back light and everything else was working fine.
It was sent to an authorized service for repairs and returned with the... -
Hi friends,
a friend of mine gave me this TV to fix, with common SAMSUNG TV issue - damaged panel. Turning on, sound is present, but no picture. So I went directly to standard process, connecting two pads together with a wire ( see in the picture ), and then removing flex cables. With right flex connected, there was half screen working, but still no picture ( disappearing colors and similar weird stuff ) + working sound. With left flex connected, TV is restarting + working sound. I supposed, left side is damaged, so I then blocked all 8 CLK pins ( going from 0R resistors on the second... -
About 50% of time, on switching tv on, there is a jerky staticky picture over whole screen. After some seconds (variable, 5 to 20 seconds) picture suddenly becomes normal.
Nothing appears abnormal inside.
I'm not a service technician. Main questions: Any ideas as to problem? Worth taking to repair technician? My skills would allow replacing a board but nothing more complicated.
Photos and video attached.
Thanks for any ideas....11-01-2022, 11:55 AM
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