Hi everyone!
I have this board that suddenly stopped supplying power to an output that drives an interchanger cleaner motor.
I checked while the board was in place with all wires attached and there's no AC voltage on the corresponding plug X5
This X5 is driven by fuse F8 (tested OK) which comes from the second orange relay
To make sure there are no charcoaled contacts inside the relay, I got a 24VDC power supply and got it ready to manually power up the coil side of these relays.
I respected the polarity, positive to cathode of protecting diode
So provided all...
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-
04-18-2024, 01:15 PM
-
Hi,
I have password in BIOS and i forgot it, if anybody can remove it, thx very much
Laptop Acer Aspire 3 A315-23-R1V3
Model: N18Q13
SN: NXHVUEX01$1010564D7600
i have tried Bios from forum search but dont work on my laptop
thx for help...Today, 11:09 AM -
I have tried different ways to do it myself but failing
Its a Elite DragonFly
SN: 5CG1120KDW
Product number
6FW22AV
Any help would be appreciated...Today, 09:22 AM -
Hi All
Been a while since I have been here, and a bit rusty.
I have the above laptop motherboard that was working and now the charging circuit is faulty.
Have 19v in fine until it hits PU4403 - not shorts I can see and thermal cam reveals nothing.
I have swapped out the ISL9538 and also the two mosfets (PU4403 and PU4405). Have 2.8v at the power switch, which pulls low when pressed - charging light comes on and goes straight off
Below are measurements (pin names are per the datasheet for the ISL95338 (couldn't find one for ISL9538,...Today, 03:25 AM -
Dear friends of the community, I hope you can help me in this case, this notebook came to me with the fault that does not turn on, when the source is connected it indicates that it is charging, when you press Power 2 or 3 seconds pass, when it only steps once on the Power LED, that's all the fans do not turn on it does nothing more than charge the battery.
I've already tried a BIOS from another post on the same forum and unfortunately it keeps doing the exact same thing here's the data:
avell A62 LIV
RTX2060 (6Gb)
SN: AVNB2051108
MoBoSn: GK7MR0R11T02203710291...Today, 10:48 AM -
Samsung UE55JU6800K with no image on screen.
I have had this TV many years without fault, however aprox 6 months ago I fitted a new set of backlights as some of the lens caps had fallen off.
Was working fine, until 3 days ago, when watching TV the screen just went blank (still illuminated)
I turned the TV off and left it around 12 hours, and when turned it on again it seemed to work perfectly again. After around 45 mins the screen went blank again.
Left it off overnight and turned it on, and the Smart TV logo came on as normal, then screen went blank.
...Today, 10:42 AM -
Sorry for the inconvenience, I have a problem with an Asus, it turns on, it tries to start or the image freezes or it restarts, it doesn't let me put a system on it or put a disk with a system on it, it restarts them all, by chance I would have the Bios for this model
Asus Vivobook 16
Model x1605v
Model motherboard x1505va r2...Yesterday, 04:53 PM -
I've had this [URL="https://www.panasonic.com/global/energy/products/eneloop/en/lineup/charger-bq-cc63.html"]Eneloop charger [/URL]from new, and it works fine but has always made a really irritating ticking sound roughly once per second when more than one battery was inserted. I found the noise to be coming from the OB5222AG PWM DIP-8 IC. I tried replacing it with an identical part - the problem persists but rather than a ticking, it now sounds like a squeal. The problem is there are no spec sheets for this IC [I]anywhere[/I] and no information besides it being a PWM IC, so I have no...Today, 10:08 AM
-
Dell 3446 laptop power on but no hdd or dvd/rw show helpToday, 04:58 AM
-
Hello.
I have 29inch LG CRT TV,And Yesterday,Whenever I connect AC power cord to power outlet without switch on, I heard a sound like white noise, And When I switched on this CRT TV, It sometime displayed correctly But usually It won't last more than 20 minute and The screen begin to dark and It finally did not display at all for hours..
Today,I dismantled its plastic case and discharged the biggest capacitor(400wv 470uf) which still holds 250 voltage,and I finally detached PCB from cathode-ray tube.
I measured ESR value of most of caps in PCB with MESR-100 and I found that KME(25v...04-17-2024, 07:11 AM
-
Hi All
Been a while since I have been here, and a bit rusty.
I have the above laptop motherboard that was working and now the charging circuit is faulty.
Have 19v in fine until it hits PU4403 - not shorts I can see and thermal cam reveals nothing.
I have swapped out the ISL9538 and also the two mosfets (PU4403 and PU4405). Have 2.8v at the power switch, which pulls low when pressed - charging light comes on and goes straight off
Below are measurements (pin names are per the datasheet for the ISL95338 (couldn't find one for ISL9538,...Today, 03:25 AM -
I have tried different ways to do it myself but failing
Its a Elite DragonFly
SN: 5CG1120KDW
Product number
6FW22AV
Any help would be appreciated...Today, 09:22 AM -
Good morning
I am encountering a problem on an Asus X421EA card which no longer starts; I checked the voltages, the 5v and 3vd are missing, has anyone encountered this problem, I have been looking for several hours without finding the source of the problem. Thank you!Today, 02:27 AM -
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16"Today, 07:16 AM -
Hello everyone. I am looking for MSI Raider GE78HX 13VH-051UK board schematics. Does abybody have it?
Many ThanksToday, 08:18 AM -
Hi all,
I've got a Lenovo ideapad gaming 3 15IMH05 with a black screen issue. I've tried a BIOS file which i saw in another post and changed some things in a Hex editor.
So i transfered the DMI info from my original BIOS to the one i got from the post. Flashed it to the chip and the laptop was booting again but very slow post.
After a couple of boots it went back to black screen again. Tried to flash the same BIN file on it which i used before but its staying at the black screen now unfortunately.
I hope someone can help me out. Attached is my [B]ORIGINAL...Yesterday, 12:18 PM -
Dear forum,
I'm stuck with this old TV unit.
PSU: 17PW04-1
MB: 17MB62-1
Symptoms:
- Blue LED constantly blinking when connected to AC.
- Only sigh of life is beeping when touching the capactive buttons on the front.
Diagnostics so far:
Checked the PSU output voltages:
12V present
5V present altought its only around 4.2V
3V is present measured 3.4V.
I check TP 202 which is for the short circuit protection: 0.606V on diode mode
Since I met with some vestel models before with similiar symptoms...Today, 03:18 AM -
Hi,
I have password in BIOS and i forgot it, if anybody can remove it, thx very much
Laptop Acer Aspire 3 A315-23-R1V3
Model: N18Q13
SN: NXHVUEX01$1010564D7600
i have tried Bios from forum search but dont work on my laptop
thx for help...Today, 11:09 AM -
Dear friends of the community, I hope you can help me in this case, this notebook came to me with the fault that does not turn on, when the source is connected it indicates that it is charging, when you press Power 2 or 3 seconds pass, when it only steps once on the Power LED, that's all the fans do not turn on it does nothing more than charge the battery.
I've already tried a BIOS from another post on the same forum and unfortunately it keeps doing the exact same thing here's the data:
avell A62 LIV
RTX2060 (6Gb)
SN: AVNB2051108
MoBoSn: GK7MR0R11T02203710291...Today, 10:48 AM -
Samsung UE55JU6800K with no image on screen.
I have had this TV many years without fault, however aprox 6 months ago I fitted a new set of backlights as some of the lens caps had fallen off.
Was working fine, until 3 days ago, when watching TV the screen just went blank (still illuminated)
I turned the TV off and left it around 12 hours, and when turned it on again it seemed to work perfectly again. After around 45 mins the screen went blank again.
Left it off overnight and turned it on, and the Smart TV logo came on as normal, then screen went blank.
...Today, 10:42 AM