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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 07-15-2017, 23:35   #16 (permalink)
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in this situation what you belive the problem maybe is?

with no current draw once the phone is turned off and 60mA once the power button pressed is this a sign for bad power ic which is the pm8917?
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Old 07-16-2017, 00:25   #17 (permalink)
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Quote:
Originally Posted by bisbaa View Post
in this situation what you belive the problem maybe is?

with no current draw once the is turned off and 60mA once the power button pressed is this a sign for bad power ic which is the pm8917?
yes i think power ic
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Old 07-16-2017, 00:28   #18 (permalink)
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i recieve 2 s4 mini with no power
when press power key it take some amp and needle stuck

i replace power ic 3 to 4 times but same

may be emmc
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Old 07-16-2017, 01:22   #19 (permalink)
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yea i have bad feelings for emmc too
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Old 07-16-2017, 01:25   #20 (permalink)
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something that i notice is when the voltage is set to 4v the current draw is 60mA and if go higher to 4.2-4.4 the current draw lowering to 40-50 mA!

how about this?
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Old 07-22-2017, 20:20   #21 (permalink)
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hello guys

i have done some voltage messurements at the pm ic....

photo on link

if someone knows or can messure on hes own gt 9195 lte to help me

Vin 4v

Imgur: The most awesome images on the Internet
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Old 07-23-2017, 00:07   #22 (permalink)
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friend i recieve 2 s4 mini in no power problem

and i work on pmic
and other ic but same

but i dont work on cpu and emmc
bcoz dont have spare to replace these

finally pcb replaced
because this the only option
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Old 07-23-2017, 02:53   #23 (permalink)
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yep understant you...just try to learn in the same time...

if you have those s4 mini and you have time to check some voltages ill be happy to trade some messurements like this on my photo

just for the record

i really be happy if someone post some voltage from a working s4 mini on my photo ....

btw thank you all guys for your time
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Old 07-23-2017, 03:05   #24 (permalink)
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Emmc problem.....
Before replace chec first on jtag tool
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Old 07-24-2017, 11:13   #25 (permalink)
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thank you guys for your help
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Old 08-17-2017, 12:56   #26 (permalink)
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hello again guys....

after some reserch i found the debrick image technic with sd card...

i try some random debrick images and now im on this stage.....

BOOT RECOVERY MODE:
CHECK BOOT PARTITIONS.
COPY FROM T-FLASH
BOOT RECOVERY
WRITE 138008 SECTORS
FLASH WRITE FAILURE
ddi: mmc_read failed
ODIN MODE
PRODUCT NAME: GT-I9195
CURRENT BINARY: SAMSUNG OFFICIAL
SYSTEM STATUS: CUSTOM
KNOX KERNEL LOCK: 0x0
KNOX WARRANTY VOID: 0x0
CSB-CONFIG.LSD: 0x30
BOOTLOADER RP SWREV: 2
WRITE PROTECTION: ENABLE

the only way to fix this phone is the jtag for sure but if someone has a proper debrick image with bootloader v2 please upload just to try
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