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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair


Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 09-17-2017, 00:36   #1 (permalink)
HUM
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g900t no power and now charging problem


s5 g900t

problem : no power

when connected to power supply : it takes auto amp without press power key

action taken : replace max77804k but same

finally remove l7011

and phone is on but charging problem

on charging it show reverse charging % consuming

when i put back l7011 phone again off

without l7011 phone ok but charging problem


any idea
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Old 09-17-2017, 07:31   #2 (permalink)
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Try to Replace U7000
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Old 09-17-2017, 23:53   #3 (permalink)
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Quote:
Originally Posted by GSM-SERVERS View Post
Try to Replace U7000
if u chk schematics

u7000 is max77804k

and i already replaced
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Old 09-18-2017, 01:47   #4 (permalink)
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Quote:
Originally Posted by HUM View Post
s5 g900t

problem : no power

when connected to power supply : it takes auto amp without press power key

action taken : replace max77804k but same

finally remove l7011

and phone is on but charging problem

on charging it show reverse charging % consuming

when i put back l7011 phone again off

without l7011 phone ok but charging problem


any idea


your current consumption is not showing right
whether HH hit the water or fell
check or replace C7016 and C7030 what if both of these items shorted
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Old 09-18-2017, 20:34   #5 (permalink)
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Quote:
Originally Posted by d-Artigo View Post
your current consumption is not showing right
whether HH hit the water or fell
check or replace C7016 and C7030 what if both of these items shorted
i remove and replace but same

but when i remove l7011
set is working fine but charging consuming

like i insert charger when battery is 5%

after few minutes charging consumes and it show 0%
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Old 09-19-2017, 03:20   #6 (permalink)
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Quote:
Originally Posted by HUM View Post
i remove and replace but same

but when i remove l7011
set is working fine but charging consuming

like i insert charger when battery is 5%

after few minutes charging consumes and it show 0%

rehot or replace ic U905 ( ic vol detector )
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Old 09-19-2017, 03:48   #7 (permalink)
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the problem is when I remove l7011
set power on
if I put back l7011 set is not powering and take auto amp without pressing power key
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Old 09-21-2017, 00:33   #8 (permalink)
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any idea mates.........?
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Old 09-23-2017, 04:54   #9 (permalink)
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i think no solution
anyway
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Old 09-26-2017, 00:26   #10 (permalink)
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how to solve this issue ?


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Old 09-26-2017, 06:09   #11 (permalink)
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how to find faulty cap in vph_pwr line ?
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Old 09-26-2017, 08:00   #12 (permalink)
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Samsung S5 SM-G900 Series NO POWER
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File Type: jpg sm-G900T power problem.jpg (98.7 KB, 32 views)
File Type: jpg sm-G900T power problem-2.jpg (115.2 KB, 35 views)
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File Type: rar sm-G900 Series No Power.rar (162.8 KB, 25 views)
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Old 09-26-2017, 09:14   #13 (permalink)
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sir kindly give attention
how to find faulty cap in vph_pwr line
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Old 09-30-2017, 20:51   #14 (permalink)
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I remove vph pwr caps around power ic but still same
when remove l7011
set is on but after put again set dead
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Old 10-02-2017, 01:29   #15 (permalink)
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I remove vph pwr caps around power ic but still same
when remove l7011
set is on but after put again set dead
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