Re: Alienware 17 R3 seven beeps
Yep..
That CPU will make a great keychain after i`ll take it off. ...
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Re: Alienware 17 R3 seven beeps
With the coils removed, i have 0.37 ohms on VCCSA and 0.12 ohms on +VCC_CORE (both readings on CPU side).
Measured with a Mastech MS8040, in relative (to probes shorting) mode. So i`m pretty sure the readings are correct....
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Re: Alienware 17 R3 seven beeps
I know.. but a new CPU from Aliexpress is 140 - 190EUR. Not to mention the need of specialized equipment (bottom heater, board holder, bottom pushers, maybe top pushers as well...)
Might as well get a "new" board.. for less than 400EUR and play with this one......
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Re: Alienware 17 R3 seven beeps
All shorts on the CPU side.. Will remove the CPU and see if the short will dissapear.
I`m well aware i can`t solder a new one onto the board, but since it`s f*cked, i might as well have some fun (with hot air only, no bottom heater and no board holder with no pushers).
Thanks for the help!...
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Re: Alienware 17 R3 seven beeps
Pl508 to gnd is 370mOhm.. is that a short?
No shorts on pu511 except gnd…
Oh by the way, cpu vcore to gnd is 120mOhm. Short also?...
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Re: Alienware 17 R3 seven beeps
Hi.
+VCCIO is present after power button is pressed (1.0V),
+VCCSA not present, nothing on PWM_SA (pin 12, U511), not even continuous.
VR_SVID_CLK present after power button (1V)
VR_SVID_DATA present after power button, also 1V
VR_SVID_ALERT 150mV after power button
LE.:
3.3V on PLT_RST
600mV on DRAMRST. but it is cut right after each boot retry...Last edited by Olixman; 04-21-2023, 05:05 AM.
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Alienware 17 R3 seven beeps
Hi,
I recently received an Alienware 17 R3. It beeps seven times.
Attached are the schematics and the board view.
I`m stuck at the CPU not getting any voltage. Not getting any PWM at the mosfets.
PU500 outputs a 2.3V (constant, not PWM) on the PWM1_VCORE (and 2 and 3 also).
Replaced it with a new one, same issue.
Any help would be greatly appreciated.
PS.: +3VALW and +5VALW are present.
LE.: Board is an AAP21 LA-C912P Rev:1.0
Schematic ---> [url]https://www.badcaps.net/forum/showthread.php?p=953132#post953132[/url]...Last edited by Vesko356; 04-21-2023, 03:00 AM. Reason: Attached schematic removed and replaced with the link.
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