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Re: Samsung PN58C7000 wont power up
F5A fuse looks okComment
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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 PN58C7000 wont power up
5.25 on both endsComment
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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 PN58C7000 wont power up
I actually think one was coming on when I started this. It definitely hasn't been since I started switching out parts though. I have a replacement logic control board coming sometime this week. We'll see if that works.Comment
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Re: Samsung PN58C7000 wont power up
Umm Im out of ideas too unless you want to post pictures of the boards and I will look for fuses. With it all connected ( Make sure every lead is connected) up you could go through again and test all the voltages at the connectors - if there is time when it is on and again when it is off. Now that you have chimes has the number of flashes changed.
There is a new vid on youtube http://www.youtube.com/watch?v=iUrqhBCjCIk
I have no idea what its about - might mean something to you. Perhaps you can join and leave a comment to ask. Cant tell whether its coming on or going off?.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Samsung PN58C7000 wont power up
Blast!!! There is another fuse I think not visible in any of your pictures - its too late for me to go back and look im off to bed. Its a green one in a picture of a connector in the other thread you posted in. F5000 https://www.badcaps.net/forum/attach...5&d=1337888734.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Samsung PN58C7000 wont power up
The voltage was checked across the cap C5045 or neighbours; this read okay so the fuse is probably good but it was never explicitly checked.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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Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Samsung PN58C7000 wont power up
Ok, i'm doing it right then. There is another little green fuse on the x main that checked out ok too.Comment
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Re: Samsung PN58C7000 wont power up
There are actually 2 green fuses on the y board and 2 on the x. One where the power comes in and one where the control cable connects. All of them check out ok.Comment
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Re: Samsung PN58C7000 wont power up
I think it could be the control board - but I'm not sure how to isolate it for sure.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 PN58C7000 wont power up
Can we definitely rule out all of the other boards?Last edited by noahc72; 05-30-2012, 02:12 PM.Comment
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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 PN58C7000 wont power up
Ok, I'm waiting for the control board. I'll post what happens when I get it.Comment
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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.
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Hi All,
First time posting here ... my name is Kevin but my friends call me Journey.
I have a Samsung 75" LCD model UN75RU8000FXZA that I don't remember the original fault other than it wouldn't power up anymore.
After it sat for many month's I decide to look at it again. The motherboard seemed to have power regulation issues. After much fussing I decided to just get a new MB.
It came a few days ago and I installed it now just cycles the power relay on and off ... when on the backlights light up and then dim and then relay kicks off and the whole things starts again.... -
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... -
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 am trying to repair my Samsung Chromebook Pro. There is no boot. Upon turning on, the screen is blank and there is no backlight. Power LED is blue. I tried refresh with power and esc refresh with power with no avail.
When I measure the 1.2V rail, it is pulsing. It will jump from 0 to 1.2V then 0 again. I replaced the 2 MOSFET and even power management IC and it is the same. Resistance from midpoint between mosfet to ground is 0.5 kOhm but it will show 250 Ohm first before jumping to 0.5 kOhm. So it feels like it was charging up some capacitor. Since MOSFET and IC was replaced, I...
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