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HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Tue Mar 01, 2016 5:49 pm
by Dhirendra Gaur
Make/Model- HP 15-e038tx
Motherboard Part No- DA0R62MB6E1 REV-E
Processor Type- I5 3RD GEN
Ram Type – DDR3
Problem – DEAD POWER LED 7 TIMES BLINK
Diagnosis- VCC CAP Open and QM3016D N-Ch 30V Fast Switching MOSFETs Faulty
Process-
Found Laptop HP 15-e038tx Dead and 7 times AC LED Open Laptop Found Motherboard Part No- DA0R62MB6E1 REV-E and check out voltage PQ30 sometime missing Output Voltage (19V) After Change PQ30 Voltage is stable and motherboard on but no display . Checkout voltage (Charging Voltage Ok, DC/DC Voltage 3.3V Ok and 5.1V Drop 2.5V) and Found 5.1V (PL24) Dropped after Replace 5.1V Regulator IC PU10 (NB669) Voltage Dropped Then Checkout Complete Motherboard and Found PC228 (1U/6.3V Multilayer Ceramic Capacitors) Damaged (Internal Open) After Replace PC228 Check Out Voltage DC/DC 5.1V Ok then Motherboard Work Proper .

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Fri Mar 04, 2016 6:27 am
by javed
thanks sir..

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Fri Mar 04, 2016 8:52 am
by shijeesh
Thank you for sharing.

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Fri Mar 04, 2016 1:07 pm
by lappatelsrt1
Great job

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Fri Mar 04, 2016 5:51 pm
by ChetanSethi
nice

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Wed Mar 09, 2016 3:01 am
by bblumail3
Nice job

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Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Fri Mar 11, 2016 5:39 am
by sai
TNX SIR

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Sat Mar 12, 2016 1:16 pm
by chandra
Thnq for sharing

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Tue Mar 15, 2016 7:31 pm
by Dhirendra Gaur
Again found Other case Dead motherboard found PCH Over heat , after replace pch overheating off but not power on motherboard then check out PC228
found damaged , then change its after replacing PC228 motherboard proper work fine

Re: HP 15-e038tx DEAD POWER LED 7 TIMES BLINK

Posted: Sat Mar 26, 2016 8:08 pm
by naylinaung
thanks