Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
depends on the version
depends on the version
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
Sounds like whoever fixed the fets never replaced or checked the gate drive devices. I agree replacing then should sort it.Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !
https://www.facebook.com/Telford-Tel...7894576335359/Comment
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
I'm ordering now repair kit:
http://www.ebay.co.uk/itm/BN44-00161...0AAOSwrklVEURs
I will replace all these components and will see.Comment
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
Going thru my notes, the one I fixed was version 1.0 and had 20 ohm resistors. RX802 and 833 are connected in parallel. So the equivalent value is 10 ohms (from high school physics). I drilled holes on the PCB, mounted a 10ohm ceramic/wirewound resisistor to replace the two resistors and another one to replace the other two.
I didnt touch the diodes. I recommend you test these.
The transistors QX801 and 802 were badly blown. I recommend you test these as well.Comment
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
I actually didnt buy the kit. I salvaged the parts from other boards.Comment
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
resistors are 20Rx2 and 10K x1 diodes are KDS184, when testing all fets should read 11R between outside legs when fitted to board and open when removed to all legsComment
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Re: Samsung PS42-Q97HD, power supply: BN44-00161A clicking ON and OFF
hi i have a complete PS42-Q97HD if boards are needed cant be arsed its in the way now
im in south shieldsComment
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Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.
Upon bringing it home and plugging it up, it showed a standby light.
I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.
The screen seems to blackout and stay black, but with a flashlight I can see the display.
With my Playstation 4 connected via HDMI, and running a game I can hear sound.
Assuming... -
The sub developed a constant popping every couple seconds from woofer and power LED flickering with nothing but wall AC connected. Connecting an audio cable didn't change anything. It doesn't play but a second or two of audio in between the pops.
Opened it up and discovered the power supply is making a faint clicking or ticking sound.
I measured the amp's output to the woofer and it pulses up to 50mv DC to be driver. The pulses coincide with the power supply ticking/clicking.
I measured the power supply output going to the amp board and it too has this pulsing. Voltage cycles... -
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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This Samsung combined power supply and inverter was replaced a while ago from a Samsung 37inch LE37B530P7W TV. However I would like to repair this one.
I have replaced the Mosfets Q1820 and Q1821 ( FDPF7N50U) which were both blown and the fuse FM802S. The schematic for this power supply that is attached doesn't relate to this power supply as the driving transistors and diodes are D1830, D1831, D1832, D1833, Q1811 & Q1810 are nowhere on the schematic!
Does anyone know what the components for D1830, D1831, D1832, D1833, Q1811 & Q1810 should be? I ask as I did change the Mosfets... -
I have wanting to do this project for quite sometime now and I finally found a switching power supply that will work on this desoldering gun station ZD-915 that the original switching power supply took a shit and just was not worth trying to fix it because this switching power is not quite big enough to handle the heater element and the vacuum pump
One note when I tested the switching power supply and the voltage control board I noticed that this desoldering gun heat up much faster than the original switching power supply which I was really surprised by to the point that I might buy...
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