I have a gateway 21" lcd that I'm repairing. First it shut down right away. I replaced some caps near the voltage regulator in the video board. Now it shuts down after about 30 seconds. Checked out some of the bulbs and the ones on one plug buzz and make an ozone smell. They all light up. Any way to run just the other bulbs or no bulbs. I want to know if its something in the inverter or if its only the bulbs.
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Re: Gateway 2100 Shutdown
Swap the bulbs (top-> bottom, bottom-> top), and if the noise moves the lamps are bad.Originally posted by NxBThere are 10 kind of people in this world: those that understand binary, and those who don't.- ASUS ROG Maximus IX Code
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2 x Acer KA240H + 1 Vewsonic VP2130 21 (a cap replacement job
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Re: Gateway 2100 Shutdown
Don't run these without the bulbs, you can fry the transformer (HV) secondary.
The ozone smell is because you've recapped it and it now has a higher voltage and might be "leaking" to ground. Clean those areas well and make sure the contacts to the bulbs are nice and tight. As eguevarae said, those bulbs might be bad.
?Curious - What make & series of caps were in there? What did you replace them with?veritas odium paritComment
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Re: Gateway 2100 Shutdown
I replaced them with caps I found on a 939 motherboard. I don't have it in front of me right now but they were the same voltage and uf. They were 470 at 16v and near the voltage regulator on the video board. All were completely vented. There are a bunch of 470 at 25v in the power supply too but I don't have an ESR meter yet to test which makes this really annoying. I figured I would replace all of them on the next parts order. I'll swap around the bulbs and see what happens.Comment
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hi there,
Got this macbook after liquid damage. Nothing major, cleaned and reflowed what was suspect. Now, the laptop turns on and boots up but shuts off intermittently - sometimes after a few minutes, sometimes after a few hours.
Can be immediately started from keyboard right after. Plug stays orange during this time. No battery.
Gives shutdown cause -128.
Seem to work fine in SMC bypass.
Same shutdown happens with disconnected TP/KB/KBLED/CAM.
Observations:
- SMC_RESET_L - when pulled down - plug goes orange/green and... -
History
- Got TV free. Prior owner claims Vizio logo shows up then nothing. He found U202 EEPROM replacement info (I know NickTV says its never EEPROM haha). Lifted 5 pads removing U202 without proper tools and thought thats end of main board. Gave the TV to me.
- I repaired U202 pads and connections. Soldered on prior owner purchased aftermarket EEPROM (original EEPROM was tossed). TV boots to VIZIO logo, then goes blank, shutsdown after a min or so and power on light blinks a number of times.
- Fixed 2 circa 2015 Vizios before with classical main board... -
hp fpw50-la-h323p rev 1.0
automatic shutdown after 30 sec of display coming
do not shutdown without ramstick
someone give me idea plz08-20-2024, 03:50 AM
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