Bought Feb 18 2006 & after 15 months, finally went tech. Suspect PSU which after testing in situe for power, realised it was completely dead. I removed the PSU & no signs of overheating were present. 5 capacitors appeared suspect, 4 had popped tops, but not burst (2x2200mfd & 2x1000mfd all rated at 10volts) & 47mfd 400volt appeared to have had a slight leak. As the internal fuse was not damaged, would these capacitors have caused the 1600 DVR to have failed?
Would like to know if it is possible to repair it.
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When that happens you have usually blown the PSU. The power supply is the board connected to the power cord. If there had been a pop sound, power went off, and now TV is completely off, then the PSU has blown.
There is a 6 Amp 125 VAC fuse in the AC section of the PSU, that is the first part to check.After that test the PSU. Sometimes it is even possible to spot a blown capacitor in the PSU board. They look bulged, sometimes burnt and in some case you can even see a leak. Sometimes is instead possible to see a burnt area that is revealing a short, often in the AC section of the PSU. The PSU is located at the back of the TV. Power must be disconnected before removing back panel. Do not touch PSU. Capacitors can store and release heavy discharge even with power cord not connected. There are also 3 small brown fuses located next to the flyback. Those can be tested using a multimeter. Testing must be done by a trained person.
The PSU cannot be easily replaced with a new one. The part is not in stock anymore (part number was 264102), and it is not even easy to find on Ebay. The PSU must be repaired.
I know sounds stupid but, I had this problem with my laptop. For months I could not get it charged. My husband finally tested our outlet plug and realized it was no longer getting electrical power or not enough to charge since the light turned on to show charging I didn't think anything of it. Happened to be the outlet. Try another and see. Couldn't hurt right... Best of luck !
Motherboard is tested using a tester like this one:PCI Test Card, PC Analyzer, Motherboard Test Card Ram and CPU (CPU sometimes get damaged) are usually not damaged by this kind of problems, they can be tested mounting them on a working motherboard. For the RAM we also use a RAM tester that costs about $200.
Ensure also that the switch contacts to new motherboard are installed properly. A technician can test cabinet power switch using a multimeter, or carefully bridging with a screwdriver the switch on contacts on motherboard (do not do this unless you are sure about what you are doing)
Test the new PSU on a different socket, when a PSU blows , it may damage the main socket.
Also remember that new power supply units have two connectors. The big rectangular main one (24 pin) and a smaller 4 pins squared one.
As an home user you may not have access to testing equipment, therefore my suggestion is.
Ensure you are using the right PSU.
Ensure that the motherboard is connected to power switch.
Test the new PSU with a multimeter.
Examine the motherboard for blown or leaking components and burnt areas.
If you do not find anything, but the mainboard is still not working, then buy a motherboard-cpu bundle compatible with the PSU that you bought and assemble a new system inside the old cabinet.
I bought this tv March of 2008, and Feb 2009 light engine went out, confirmed by TV repairman. Went through samsung directly.. WORST COMPANY EVER!!! No longer make this part, took 6 months to tell me that, after order went to 4 different repair companies. Finally, they offered $1770 to replace tv.. and weeks later, received a call that it was not approved so they offerred $1200. Still waiting for this check.. paid $2399 for this tv, still owe $1100!!! Samsung has worst customer service ever and do not stand behind their products. If you find replacement part for this tv, please post.. the part is expected to cost $850 and has to be professionally installed at $300.
be careful with fosgate amps. They are more powerful then what is stated on them. I found this out when I blew a 15 with a punch 260ix. These amps are made for competion use. The 600.1 does not push 600 watts as stated. I had one tested and it actually pushes close to 800 watts. Turn ur bass level and ur gain to about 3/4 power and this should solve your problem