Hello, I came here after finding some similar questions asked on other monitors and hope someone here can help me get an ancient Viewsonic VP230mp (23" 4:3 LCD) back to working condition.
First a little background, I have a background in computer and electrical engineering, and I'm smart enough to know I know nothing about LCD displays and how they work. For this topic I'm as green as they come.
When the display is turned on the viewsonic logo displays in the uppper left for 2 seconds then the screen goes black, the power LED is green (on) and when a computer is connected...
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-
-
-
Dell Latitude 5590 ST FH1MNQ2
DDM80 LA-F411P REV 1
pwb mp3pg rev A00
Can you help me?
Thx...Today, 04:37 AM -
hello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia...Today, 03:37 AM -
Hi all, did you solved? I have same identical problem but I have PP5V_G3S 5V
PP1V_PRIM 0V
PP1V2_PRIM 0V
led of Mac Mini is blinking...Yesterday, 01:53 AM -
Hello, please could someone help me find or share the EC firmware for the MSI Katana GF76-11UC laptop?
The firmware can also be extracted from the BIOS image, but I can't find any information on how to do that.
Thank youToday, 01:28 AM -
I bought a T12-958 recently with an M8 handle and until now it has worked very well. The tip wasn't earthed but that was easily resolved.
Now, whenever it is switched on, it heats up to about 70*C then shows an [INVER] error on the screen and stops. In order to fix it I have to either unplug and re-plug the handle, or unplug and re-insert the tip from the handle. While doing that it changes to [ERROR], then it finishes heating up and works perfectly. Until it's turned off, after which it will show [INVER] again next time it is turned on.
Any idea what the problem is?05-06-2024, 01:36 PM -
Hi everyone.
I need BIOS for my Sony Vaio VJPG11C11N
S/N: 4377769
Thanks!Today, 03:48 AM -
Hi,
I'm troubleshooting a power supply board and one opto coupler seems shorted. It's a through-hole, marked with 3 lines:
1223
816A4
W
I'm not sure what replacement to buy for it. It resembles LTV-816 ([url]https://www.tme.eu/sk/en/details/ltv-816/optocouplers-analog-output/liteon/[/url]), but I'm not sure it's 100% that. The data sheet shows multiple sub-types like 816M, 816S, but 816A is not there.
I do have other functional pieces on the same board, so I could do some measurements on those, but I'm not sure what to check.
Any idea appreciated.Hi,...Today, 03:30 AM -
Anyone has software to convert allegro to Board view CadToday, 03:08 AM
-
-
hello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia N17S-G3-A1 (GeForce MX330)[/B]
note idon't have a backup
I tried many files to no availhello please help i have dell inspiron
model p130g
screen size 14
cpu core SRG0N I7-1065G7
gpu [B]Nvidia...Today, 03:37 AM -
Hello, please could someone help me find or share the EC firmware for the MSI Katana GF76-11UC laptop?
The firmware can also be extracted from the BIOS image, but I can't find any information on how to do that.
Thank youToday, 01:28 AM -
Hello people. I trying to repair my welding machine oerlikon citomig 180mp hpf and there is a little board with blown stuff.The problem is i cant identify the value of the blown resistor and diode. Any suggestion?05-18-2024, 01:22 PM
-
Dell Latitude 5590 ST FH1MNQ2
DDM80 LA-F411P REV 1
pwb mp3pg rev A00
Can you help me?
Thx...Today, 04:37 AM -
Hi everyone.
I need BIOS for my Sony Vaio VJPG11C11N
S/N: 4377769
Thanks!Today, 03:48 AM -
Hi,
I'm troubleshooting a power supply board and one opto coupler seems shorted. It's a through-hole, marked with 3 lines:
1223
816A4
W
I'm not sure what replacement to buy for it. It resembles LTV-816 ([url]https://www.tme.eu/sk/en/details/ltv-816/optocouplers-analog-output/liteon/[/url]), but I'm not sure it's 100% that. The data sheet shows multiple sub-types like 816M, 816S, but 816A is not there.
I do have other functional pieces on the same board, so I could do some measurements on those, but I'm not sure what to check.
Any idea appreciated.Hi,...Today, 03:30 AM -
Anyone has software to convert allegro to Board view CadToday, 03:08 AM
-
Hi all, did you solved? I have same identical problem but I have PP5V_G3S 5V
PP1V_PRIM 0V
PP1V2_PRIM 0V
led of Mac Mini is blinking...Yesterday, 01:53 AM -
Hi,
Does anyone have schematic for Dell Latitude 3420 (Cyborg L14)
i need part number for the circled component
[ATTACH=JSON]{"alt":"Click image for larger version Name:\tDell Latitude 3420_LI.jpg Views:\t0 Size:\t1.90 MB ID:\t3274232","data-align":"none","data-attachmentid":"3274232","data-size":"custom","height":"973","title":"Dell Latitude 3420_LI.jpg","width":"730"}[/ATTACH]...Today, 02:03 AM