Re: HP W2207 no screen no power buzzing!
Yes - you could say so :-)
I think on both its '103'
BR,
Matthias
mgaa80
New Member
Last Activity: 02-24-2018, 01:04 AM
Joined: 01-09-2014
Location: Viernheim
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Re: HP W2207 no screen no power buzzing!
Hi,
I used again pin 11 of the 14 pin power board connector (don't know if that is correct...but I didn't know better) and measured 0.42v at the fuse (guess that is either a little bit low or I measured incorrectly with wrong ground) . Fuse itself is 63v.
Checked all resistors etc. - on some my continuity tester made a sound - on some there was no sound - but indicated something on the display. In the end there are the following components, which were completely dead - no sound and no indication on the display:...Last edited by mgaa80; 01-28-2014, 02:43 PM.Leave a comment:
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Re: HP W2207 no screen no power buzzing!
The only fuse I found on the T-Con Board was the one in image 2 - it was ok, showed 0.4 Ohms. Attached pictures of the T-Con board.
BR...Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Hello everyone,
sorry for my unclear expressions - was a little late last night :-)
So what I did: I replaced the fuse & today I measured it again - now with my new 3A testing fuse in it has stable 5.18v on both legs. When I remove the fuse the voltages begin to fluctuate again.
When I reassemble the monitor now & connect it to power it will take 3 seconds and the backlight comes up (power button LED also on) and as soon as the backlight comes up the screen turns completely white...Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Hey :-)
First good news...exchanged that 4a fuse with a 3a fuse 12v and the Monitor is powering up!
BUT all I see is white...no OSD no picture from PC. Doublechecked the connector cable from video board several times...all ok.
Connected every cable...but only white. When I connect a DVI cable the monitor turns black (as it recignizes that) and after that it's white again...
Any ideas?
Thanks much - again!Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Thanks again for all your help, I did the following:
1st try:
FIRST I connected a USB cable to my PC, THEN I connected the power cord to the power board. The PC found a standard USB Hub and installed the drivers.
Then I measured the voltages again, ground was pin 11 of the 14-pin power board connector.
Voltages are as following (ALL STEADY NOW NO MORE FLUCTUATING AND THE STRANGE SOUND IS GONE):
U101
AIC
1084-33PM
Pin1: 0v
Pin2: 3.28v
Pin3: 4.52v
...Last edited by mgaa80; 01-26-2014, 03:49 PM.Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Hey :-)
the label above the yellow fuse says 'f802' and the Board itself is a ILPI-029 REV. A 2006.12.20
Tested my multimeter with a CR32 Battery - showed a steady 3.102 volts. Also used another multimeter on the power board -> fluctuating voltages.
Also on the yellow fuse
Left side: 6.9-7.6v
Right side: 3.6-5.9v
The big cap shows 314v (steady)
On the SMD fuses are no further voltages, only label FS101 and FS102.
BUT here it comes:...Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Hey, thanks for answering :-)
The 2 SMD fuses are ok..ich checked them and they both are ok, checked this with my continuity tester. Also they show 0.1 ohm each.
The yellow fuse above the pink resistor is also good, but shows 10.1 ohms.
I went to an electronic shop we have over here called 'Conrad' and bought the capacitors. They are 105° Low ESR (of course all matching uF numbers and voltages) from 'JackCon', 'Yageo', 'Richey' and 'JH'. Some of the capacitors on the board had 125° - but the electronic...Last edited by mgaa80; 01-25-2014, 04:50 PM.Leave a comment:
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Re: HP W2207 no screen no power buzzing!
Hello everyone :-)
greetings to the US, my name is Matthias and I'm from Germany.
I hope somebody can help me - I've recently bought the HP w2207 monitor and I'm now trying to repair it.
The issue is: It won't turn on. Only the signal LED from power button is blinking.
I disassembled it and replaced all caps from the power board (except the huge cap), but the issue reamins -> Only blinking LED.
I did some measurements with my multimeter & I get fluctuating voltages...Leave a comment:
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