See attached picture. I have a Fluke T100 Voltage Tester that the resistance and diode measurement isn't working (it's not the batteries (as I have already checked them and put decent Duracell 1.5V AAA batteries inside it).
I have looked on the web for any information and on youtube without any results for this model.
There are no screws visible or anything obvious. So I am hoping someone here has the solution to take it apart?
The only way I can see is underneath the yellow rubber handle area, however I don't wish to damage it if it isn't the case!...
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-
Yesterday, 07:21 AM
-
Hello.
I need help with a laptop Dell with LA-D801P motherboard.
The laptop completely died, no power, no leds.
The voltage of 19V is present at the output of the second mosfet.
The voltage on Pin 9 and 19 of PU102 is 0V.
Voltage on
PU100 :
pin2 =19v
pin11 =4.16v
pin12 =0.18v
pin17 =0v
pin19 =0v
I have 0 ohms on the coils PL100, PL301 and PL700.
If I remove pjp102 the short remains on the side of +3VALW.
Then I removed pjp501 and pjp801 but the short did not go to the integrated PU500 and PU800.
Then I checked...Today, 02:54 AM -
Hello,
I post this in this section for a Dell Inspiron 3477 All in one as the motherboard is more close to a laptop one.
So, the issue is that whatever adapter I use, I get this screen when it starts up. I tried aftermarket adapters and original HP adapters, both 65W and 90W. Minimum requirement is 65W.
I don't have its authentic Dell adapter as I took it for free in case I manage to repair it, but the HP ones I think are pretty much identical.
First thing I checked is if the dc jack on the board has an issue but with the MM I see all three pins, ground, 19.5V and...Yesterday, 10:52 AM -
Dell Latitude 5590 ST FH1MNQ2
DDM80 LA-F411P REV 1
pwb mp3pg rev A00
Can you help me?
Thx...05-20-2024, 04:37 AM -
-
hp z6 g4 workstation
mb no. Z6 G4 PCB REV 1.0
SN - CZC0058LMF
ORGNL BIN FILE ATTACHED...Today, 01:57 AM -
model: HP 15S-EQ2151AU
BOARD MODEL: DA0P5JMB6E0 rev e
anyone with a schematic for this unitToday, 01:50 AM -
this computer came in for no backlight after liquid spill
PPVOUT_LCDBKLT is 0v
PP5V_BKLT_A is 5v
PP5V_BKLT_D is 5v
BKLT_EN_R is 1.8v coming MPMU
BKLT_SDA 5.1v
BKLT_SCL is 5.1v
PP5V_SW_LCD is 5v
PP3V3_SW_LCD is 3.3v
FP800 Fuse is OK
BKLT_SD is 12v; something is shutting down the backlight
I took the measurement of all legs of UP800 and compared them to flexBV; everything seems ok
nevertheless I have replaced it not once but twice with known-goods still same issue..
...Today, 01:38 AM -
HI
I have a HP 15s-eq1096AU with a failed bios
I found a HP exe that allowed me to pull the bin and i entered my key in @8000-8030 & serial @00-FF
This booted to a screen saying clearing bios block 0-630 then restarted to blinking caplocks key reporting broken bios again
If anyone could make me a bios with the DMA info etc from this dump that would be greatly appreciated...06-03-2024, 11:39 PM -
I get backlights that stay on not there is no image. The tv does not automatically power on when plugged in either which I generally see happen when there is a fault. It responds as it should to the power button.
I checked the test points on the TCON and I have proper voltages except for at 1P15V. I don't know if that is supposed to be 15V or 5V, but either way I only get 1.134V on that point. I have 12V, 8V, VCC, and a small amount on the CKV point.
I tried heating up the SoC on the main board but that made no difference. Disconnecting either ribbon from the TCON also...06-01-2024, 08:55 PM
-
I have a 5W lamp on 12Volts battery, I want it to be half as bright, so I will add a resistor. What resistor should I supply?
A = W = 5 = 0.416mA
_ _
V 12
R = V = 12 = 28.84 Ohms (R) this is resistance of lamp
_ _____
I 0.416
So I will add one resistor 28.84 Ohms
I will have 28.84 + 28.84 = 57.6 Ohms
Or 28.84 + 28.84 = 14.42 Ohms
I don't know if it will work in series or in parallel
voltage would be 6V and amp current mA = 0.208mA We divide everything by two
W= V * I...Yesterday, 01:58 AM -
Hello.
I need help with a laptop Dell with LA-D801P motherboard.
The laptop completely died, no power, no leds.
The voltage of 19V is present at the output of the second mosfet.
The voltage on Pin 9 and 19 of PU102 is 0V.
Voltage on
PU100 :
pin2 =19v
pin11 =4.16v
pin12 =0.18v
pin17 =0v
pin19 =0v
I have 0 ohms on the coils PL100, PL301 and PL700.
If I remove pjp102 the short remains on the side of +3VALW.
Then I removed pjp501 and pjp801 but the short did not go to the integrated PU500 and PU800.
Then I checked...Today, 02:54 AM -
-
hp z6 g4 workstation
mb no. Z6 G4 PCB REV 1.0
SN - CZC0058LMF
ORGNL BIN FILE ATTACHED...Today, 01:57 AM -
model: HP 15S-EQ2151AU
BOARD MODEL: DA0P5JMB6E0 rev e
anyone with a schematic for this unitToday, 01:50 AM -
this computer came in for no backlight after liquid spill
PPVOUT_LCDBKLT is 0v
PP5V_BKLT_A is 5v
PP5V_BKLT_D is 5v
BKLT_EN_R is 1.8v coming MPMU
BKLT_SDA 5.1v
BKLT_SCL is 5.1v
PP5V_SW_LCD is 5v
PP3V3_SW_LCD is 3.3v
FP800 Fuse is OK
BKLT_SD is 12v; something is shutting down the backlight
I took the measurement of all legs of UP800 and compared them to flexBV; everything seems ok
nevertheless I have replaced it not once but twice with known-goods still same issue..
...Today, 01:38 AM -
Hello,
I post this in this section for a Dell Inspiron 3477 All in one as the motherboard is more close to a laptop one.
So, the issue is that whatever adapter I use, I get this screen when it starts up. I tried aftermarket adapters and original HP adapters, both 65W and 90W. Minimum requirement is 65W.
I don't have its authentic Dell adapter as I took it for free in case I manage to repair it, but the HP ones I think are pretty much identical.
First thing I checked is if the dc jack on the board has an issue but with the MM I see all three pins, ground, 19.5V and...Yesterday, 10:52 AM -
I need asus zenbook bios motherboard is UX562UG
R2.1
here is my old bios....Yesterday, 12:48 AM