Hi friend I have this laptop, the image on screen are correct but no have backlight, I have changed the screen with another but I have the same problem. With an external monitor it's ok. I think it's possible a fuse ? I have see the board to search F but I havent see. Please help thanks
							
						
					Fujitsu AH532 DA0FH6MB6E0 rev e no backlight
				
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Re: Fujitsu AH532 DA0FH6MB6E0 rev e no backlight
You've already changed the screen , so the primary suspect now is the LED cable , and in my opinion , it was the only suspect ...
Try bending it gently at the point where it enter the laptop , it could be a loose tiny wire . - 
	
	
	
	
		
	
	
	
		
	
		
			
				
	
	
	
	
	
	
	
	
	
Re: Fujitsu AH532 DA0FH6MB6E0 rev e no backlight
Thanks jiroy, I have moved slowly the cable but nothing have changed. I think if is one wire fault when move the cable The display should do something. I have see in the forum one similar problem with the ah512 and.I haved have thought are the same problem. Thanks for help, now I check again the lcd cableComment
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Re: Fujitsu AH532 DA0FH6MB6E0 rev e no backlight
Mostly , a wire would be loose at the middle of the curve , but in some cases , wires could be shorted , and then , continuity wouldn't help . Try spreading the wires for better continuity measurements .Thanks jiroy, I have moved slowly the cable but nothing have changed. I think if is one wire fault when move the cable The display should do something. I have see in the forum one similar problem with the ah512 and.I haved have thought are the same problem. Thanks for help, now I check again the lcd cable
Sometimes also , wires can be loose from one side of each connector , and then , a new cable is the best solution .
A delicate and patient job .. Good luck .Comment
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Re: Fujitsu AH532 DA0FH6MB6E0 rev e no backlight
Ok, check BL_Enable and BL_PWM signal on Panel connector both pin must have 3.3vThanks jiroy, I have moved slowly the cable but nothing have changed. I think if is one wire fault when move the cable The display should do something. I have see in the forum one similar problem with the ah512 and.I haved have thought are the same problem. Thanks for help, now I check again the lcd cableComment
 
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			by CornitoHello Team,
I'm back with another backlight issue that I thought was simple, but it turned out to be more complex than expected.
Let me provide a brief history: The TV was working well, then one day, the backlight started and shut down. I thought I had an LED issue leading to this behavior, so I replaced the LEDs with brand new ones. However, the issue remains the same.
Next, I replaced the electrolytic capacitors attached to the LED power supply, but the results were the same. I then replaced the driver, a OB3365RP, and did it twice due to the same result.... - 
	
	
		
	
	
	
	
	
		
			This specification for the Fujitsu LIFEBOOK LIFEBOOK U7411 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the LIFEBOOK U7411 boardview and LIFEBOOK U7411 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet,...09-07-2024, 03:40 AM
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			Hi,
I have a Fujitsu Lifebook E547 vPro that does not boot anymore after Windows Update tried to install a new Bios version. Screen stays black no post - only the numblock light blinks.
What I've tried:
I have used my CH341A to read the bios chip (25Q128FVSQ) (Dump attached) - I think the dump is "good" because I could find the Serial number in the data and also the Winkeyfinder found a windows key.
for the lack of any other Idea I took the bios from this post (https://www.badcaps.net/forum/troubl.../troubleshooti...- 
							Channel: BIOS Requests ONLY!
 
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			This specification for the Fujitsu LIFEBOOK AH532 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the AH532 boardview and AH532 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Fujitsu LIFEBOOK...09-06-2024, 05:27 AM
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			by DanPokaI bought this p2210f dell monitor to fix. Schematic is the same as p2210.
Behaviour is that monitors comes on but then backlight switches off almost instantly. If I look with flashlight I can still find the "No signal message". So definitely a backlight issue. Trying to advance the issue I proved that the protection circuit is switching off the backlight by shorting out C3 and resistor to disable the INL chip then re enable by removing the short.
This is where it gets interesting. When I disassembled the monitor to solder leads on c3 capacitor I noticed the backlight flickered...- 
							Channel: Troubleshooting Computer Displays
 
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