i have one of these boards and it goes to the vga indicator LED (white) and then it stops there. i've taken the bios chip off and written directly to it. i'm sure where else to go with it
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Hello.
I have T12-952 soldering station which is not able to display any screen But When I power on it, iron become hot.
I desolder some components to check whether it have been faulty or not, But When I tried to desolder an IC Which is written "601Km" on the surface,I broke leftmost pin like attached photos.
I use Mini Drill in order to peel off plastic suface but I cannot found copper sheet which is supposed to be pin3.
What is name of IC which is written "601Km" on the surface?
and Is there any... -
Greetings
I got an Asus X453SA for repair
Symptom : no display, with charging indicator blinking, with or without battery. Power indicator is steady. When battery plugged in, the current consumption jumps, but the charging indicator is still blinking.
Here is the measured power sequence :
+3VA_EC +3.3V
EC_RST# +3.025V
+5VSUS_ON +3.307V
PWR_SW# +2.982V
3VSUS_ON +3.307V
SUS_PWRGD +3.386V
+1.05VSUS_PWRGD +1.061V
1.8VSUS_EN +1.873V
VSUS_PWRGD +3.383V
PM_PWRBTN# +1.830V
PM_RSMRST#... -
HP 15-e98se No power and The charging indicator LED is dim and flickering in white when i checked pl9,pl10 i found 2.8 volt when i checked pq35 i found that Drain = 19 v source = 2.8 and the gate = 2.6...10-12-2025, 09:18 AM -
Hi everyone,
A H235P-00 power supply unit from a Dell Optiplex 760 PC is faulty.
After removing it from the computer, I placed a paper clip between the green and black wires, then connected it unloaded to the mains through a series lamp.
➡️ First test:
The PSU partially works: the green indicator LED lights up, and the fan starts for one second, then stops.
A click can be heard at the moment it stops. The series lamp lights up when the power supply starts, then turns off when it shuts down.
I then followed the advice from the forum and replaced...10-22-2025, 01:52 PM -
Hello team,
I've got a new issue with a Denon Avr-2700H.
After several minutes working, receiver stops playing sound with a poc eared in the speakers.
Receiver still work and display video with error message on display.
Seems to me that is the main output relay.
I'm looking for the service manual that I can't find for the moment.
Does somebody have it?
Regards...