Re: Scala3-14crv part
It should be Q559. See diagram....
Announcement
Collapse
No announcement yet.
User Profile
Collapse
-
Re: sony vaio power problem help urgent
Likely short on pins 5-6-7-87 of PQ25 or PU1 failure.
Measure the resistance to ground on pins 5-6-7-87 of PQ25.
Leave a comment:
-
-
Re: hp g6 r13. 3v not found
original power supply?
correct value 3V...
Leave a comment:
-
Re: hp g6 r13. 3v not found
u8 pin 64, 65, 86 volt ?
pu9 pin 10, 11 volt ?
Leave a comment:
-
-
-
-
Re: Need shematic HP G6 DA0R53MB6E0
Ver. 1A
[url]https://cdn.badcaps-static.com/pdfs/5461f7dd7f7f86cefaaa01aa9b03e234.pdf[/url]Re: Need shematic HP G6 DA0R53MB6E0<...e234.pdf[/url]
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Fix your measurements with the design
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
On pin 5-6-7-8?
With voltage values as my design
Check PC12, PC7, PR17, PR27
Others can not be broken....Last edited by multiplexer; 09-16-2014, 06:48 AM.
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Correct values to detect:...
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Confirm these measures?
If confirmed replace PQ14 (already recommended)
Another test to confirm PQ14 failure:
Unsolder PQ10 and measure the voltage on pin 4 of PQ7 is 8V...
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Voltages do not match.
What are the correct values ?...
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Measure the voltages on all the pins of Q8, Q10, Q14
If you confirm these measures failure PQ14. Replace it...
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
My schematic is rev 0.1
I confirm check PR38 = 47K ohm
Thanks for the schematic
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Please attach your schema compare if it is equal to my
Leave a comment:
-
-
Re: Acer Aspire 5750 no B+ voltage
Measure the voltage on ACOFF PQ17
Desolders PQ17 if your laptop is running (no short on 1-8 FP7) program bios U36, U38
Leave a comment:
-
Re: Acer Aspire 5750 no B+ voltage
Possible faults:
ACOFF incorrect value
PQ17 short between the collector and emitter
PQ14 short between pins 1-2 and 4-5...
Leave a comment:
No activity results to display
Show More
Leave a comment: