Samsung Syncmaster 245B - Screen freeze -> screen flash 4 diff colours
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by warsztatHi, trademil Horizon freeze after start like video, i try reset (3sek push stop), remove and I put new ones capaticors 3,3V line digital and analog line.
The device in service mode passes all tests, except for the display test, where it hangs. The display in service mode during engine testing, etc. seems to behave correctly, it shows values, the engine is working, I can adjust its speed but only in service mode, in normal operation after pressing start the machine freezes
All the multiplexers that support the display seem to be working. It's like the processor... -
by MandorHello people.
I have the samo problem as described in this thread:
https://www.badcaps.net/forum/showth...highlight=245b
The monitor was on standby and one day the screen (or just the backlight) would not turn on. Computer still recognized the monitor and was acting like it was there (5 screen setup). I switched the monitor off with the big switch by the cable, waited 5ish seconds and switched it back on. I heard a loud bang.
Both fuses blown, resistor blown, bad mosfets.
I checked most electrolitic caps in circuit and...-
Channel: Troubleshooting Computer Displays
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by maleksaMy Yamaha MOX8 synthesizer recently developed two issues.
Firstly, after booting up, it operates as normal. However, after about 5 minutes, the sound starts to get distorted (broken up screeching sound) almost like putting it through a guitar distortion pedal. After a while, the distorted sounds will go away for a while and comes back. At times, the synthesizer will also freeze I need to power off and on again.
Secondly, when powering off and on again, there will be times where the synthesizer will freeze during the boot sequence (freezes at the MOX8 Opening Screen),...-
Channel: Troubleshooting Audio Equipment
11-07-2024, 03:28 AM -
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by soopacrucialHi folks,
I'm new here and was wondering whether you might be kind enough to give me some advice on troubleshooting the following problem:
Quite a few years ago now, a couple of years from new, my Samsung Syncmaster 740BF LCD monitor starting playing up by making a buzzing noise and then the display would go blank. I seem to remember the blue power led would also go off when this happened but that I'm not 100% sure of. By pressing the power button I do remember I could at first get it working again but eventually the problem would come back. At the time I had read about...3 Photos-
Channel: Troubleshooting Computer Displays
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by EsIstSimonHi there,
i have a Lenovo Ideapad 5 15ARE05 that will freeze randomly.
Sometimes it wont even post, sometimes i can use it for a couple seconds or minutes before it completely freezes.
Sometimes the screen freezes, but still displays the last frame, sometimes (pretty rare) the screen goes black
It does not matter what i do. Installing windows, starting Fedora or just sitting in the bios. After some time it will freeze.
When the freeze occurs, the laptop draws a pretty constant wattage (it will just stay on the value that it draws, when it locks... - Loading...
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