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how to changethe voice IC

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How to change the voice IC

1. Pls see the main board as belows:

 
2. Use the tools to change the IC, as belows:
this is the tin. this is soldering iron.
 
3. Use the tools to take down the IC, as belows:
 
See the picture, the old IC is taken down:
 
4. Put the IC on the main board, the position must be right, as belows:
all the foot stools must be one to one correspondence.please note the right position of the IC as the photo.
 
5. Also use the tools to solder the IC on the main board. First  fix one foot stool. See photo:
 
6. Now the New IC is ok on the main board as the pictures:

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