Samsung GT S7562 Galaxy S Duos Audio Not Working Solution

Samsung GT-S7562 Galaxy S Duos Audio Not Working

Solution Schematic, Diagram,Circuit 

Samsung GT-S7562 Galaxy S Duos Audio Not Working

Solution Step By Step

Step 1

Operate speaker

Step 2

Check Speaker

Connector
HDC501

Reconnect connector

Step 3

Signal on in
SPK_OUT_P
& SPK_OUT_N?

Resolder
C527,C508
VR503,VR502
SPK ASSY

Step 4

Signal on in
C406,C407 ?

Resolder
C406,C407
Replace PM400

Resolder or
Replace UCP300

Step 5

Speaker break
down?

Change Speaker

Step 6 

Change main PBA

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