Samsung galaxy S4 I9500 Mic Not Working Solution

Samsung galaxy S4 I9500 Mic Not Working Solution Schematic,Diagram,Circuit

Samsung galaxy S4 I9500 Microphone Part Not Working Solution Step By Step

Step 1

Check microphone function

in voice call receiver mode

or in Voice Recording mode

Step 2

Check the main MIC(in Sub

PBA[GH59-13075A]) is placed

for any damage

Resolder the main MIC.

Step 3

Check the offset voltage

at below test

point(40;Main_MIC_P)

> 0.4V

Resolder main MIC or replace Sub PBA.

If the voltage level is not fixed, then

you have to change U902.

Step 4

Check Sub PBA 'Open/Short'

status between below each two

point(38)&(40)

Step 5

replace Sub PBA.

Step 6

END

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Nokia 106 Lcd Light Ways Jumper Display Problem Ways Solution

Nokia 106 Lcd Light Ways Jumper Display Problem Ways Solution

Nokia 106 Lcd Light Ways Jumper Display Problem Ways Solution 

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Samsung galaxy S4 I9500 Charging Part Not Working Solution

Samsung  galaxy S4 I9500 Charging Part Not Working Solution Schematic,Diagram,Circuit

Samsung  galaxy S4 I9500 Charging Part Not Working Solution Step By Step

 Step 1

TA / USB Insert

Step 2

Charging Sequence Start

C1030 = 5V

Reconnect TA or USB

Step 3

C668 = 5V ?

Change U1003

Step 4

Check L617 / C674

L617/C674 (Crack, Short)

Change U601

Step 5

END

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Samsung Galaxy S4 I9500 Charging Part Not Working Solution 

Samsung Galaxy S4 I9500 Charging Part Force Solution

Samsung Galaxy S4 I9500 Charging Part No Process Solution

Samsung Galaxy S4 I9500 Charging Part No Current Solution

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Samsung galaxy Grand i9082 WIFI Problem solution

Samsung galaxy Grand i9082 WIFI Problem solution Schematic ,Diagram , Circuit 

Samsung galaxy Grand i9082 WIFI Problem solution  Step by Step

Step 1

BT/WiFi is not working

Step 2

Check BT or WiFi function

ON

Enable BT or WiFi Function

Step 3

Check the Voltage on C229 =

1.8V

Check the U400(crack, open, damaged, etc.)

Step 4

Check 26MHz Clock at C251

Check the OSC100(crack, open, etc.)

Step 5

Check the Voltage on L210 =

1.5V

Resolder or change the L210

Step 6

Check the Status of

L218, C210, C211, ANT200

Resolder or Replace

L218, C210, C211, ANT200

Step 7

Resolder or Replace U204

END

WIFI Solution supported by Welcome zone 

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Samsung galaxy Grand i9082 Ear Speaker, Receiver problem Solution

Samsung galaxy Grand i9082 Ear Speaker Receiver problem Solution Schematic , Diagram , Circuit

Samsung galaxy Grand i9082 Receiver problem Solution step by step

Step 1 

Check receiver function

in voice call receiver mode.

Step 2

Check the connection of

HDC501

Reconnect HDC501

Step 3

Check RCV module

where RCV's placed

for any damage (Tear in

FPC, etc)

Replace the RCV module

Step 4

Check the signals on

L508, L509, VR503, VR504,

C504, C505

Resolder or replace UCP300

END

Receiver solution supported by welcome zone 

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Samsung Galaxy Grand i9082 Receiver not working solution 
Samsung Galaxy Grand i9082 Ear speaker problem  Solution
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Samsung galaxy S4 I9500 insert Sim Card Solution And Jumper

Samsung galaxy S4 I9500  insert Sim Card Solution Solution Schematic , Diagram , Circuit

Samsung galaxy S4 I9500  insert Sim Card Solution Solution Step By Step 

Step 1

Insert SIM card

Step 2

Is SIM/SD assy well

connected to main board?

Reassemble SIM/SD assy and still SIM

does not work, replace SIM/SD assy

Step 3

Check the SIM Voltage.

(C6 of SIM FPCB) >= 1.8

or 3.0?

Change to the new SIM card.

If it doesn`t still work SIM card after changing

the SIM card, Check the U300 (Crack etc)

Step 4

END

Samsung gaLaxy S4 I9500 Insert Sim Card

Samsung galaxy S4 I9500 insert Sim Card Jumper

Third Party Solution

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Samsung Galaxy S4 I9500 Sim Card Not Working Solution 

Samsung Galaxy S4 I9500 Insert Sim Card Solution

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Samsung Galaxy S4 I9500 Insert Sim Card Jumper Solution

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Samsung galaxy Grand i9082 Ringer Speaker Part not working solution

Samsung galaxy Grand i9082 Speaker Part not working solution Schematic , Diagram , Circuit

Samsung galaxy Grand i9082 Ringer not working Step by step 

Step 1

Check speaker function.

Play MP3 with maximum volume level.

Step 2

Check the connection of

HDC500

Reconnect HDC50

Step 3

Check the signals on

ZD501, ZD502

Resolder or replace U400

Step 4

Replace the speaker

module

Step 5

END

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Samsung Galaxy Grand i9082 speaker not working solution 
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