Re: iMac 24 PSU LITEON PA-3241-02A1 250W
if it can be useful , after replacing GPU with another one now imac works good....
twingolover
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Last Activity: 02-18-2020, 11:42 AM
Joined: 10-10-2017
Location: ancona
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Re: iMac 24 PSU LITEON PA-3241-02A1 250W
hi ,
after a lot of time i have an update.
before buy a new graphica card , i try to reflow the old one.
Now i have this situation.
Imac starts , i hear chime sound on startup and hard disk appear working (i dont' have thuderbolt display to connect a 2nd display) and fans works also.
but totally black screen i don't see nothing!!!!!
Looking for led i have :
Led 1 , green state
Led 2 , green state
Led 3 , off (green for a while when poweron)
Led...Last edited by twingolover; 11-21-2017, 03:29 AM.Leave a comment:
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Re: iMac 24 PSU LITEON PA-3241-02A1 250W
initially imac have issue with artefacts.
No GPU wasn't replaced
Power make smoke on startup.....so i try to replace it assuming was a power issue.
so only 1 led can be the issue on GPU?...Leave a comment:
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Re: iMac 24 PSU LITEON PA-3241-02A1 250W
Thanks for helping me....
here are photos
[url]https://ibb.co/fia87b[/url]
[url]https://ibb.co/dohc0w[/url]
[url]https://ibb.co/f1BsYG[/url]
[url]https://ibb.co/cEWsYG[/url]
[url]https://ibb.co/fetvnb[/url]
[url]https://ibb.co/hop1Sb[/url]
[url]https://ibb.co/nzmRtG[/url]
may help reflowing components?Re: iMac 24 PSU LITEON PA-3241-02A1 ...o/fia87b[/url]...Leave a comment:
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Re: iMac 24 PSU LITEON PA-3241-02A1 250W
i have replaced power supply with a new one.
try to power up and nothing again.....just 1 green led, 2 led power on for a while , 3 and 4 off.
Can be an issue on logical board?what i have to check on it? some fuse , or other components?
initially this imac has an issue on graphic card (some artefacts when too hot for dust , bad thermoconduttive on cpu, never power down) .
No power can be dued i'm trying to turn on without frontal cover?
Please help.
Thanks in advance
ByeLast edited by twingolover; 11-08-2017, 10:03 AM.Leave a comment:
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Re: iMac 24 PSU LITEON PA-3241-02A1 250W
Hi,
i have a PA-3241-02a1 liteon power supply from a Imac opened by another tecnician.
i see first led green with AC, and when i press power button 2 led become green for a while then turn off....fan move a bit and see a very little smoke from power.
I'm not particulary expert what i can check ?
1 time power on with all fan moving but no video and no Apple chime sound so i think post doesn't work.Leave a comment:
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