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12048231 Rev. 00 (Draft)
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6.5. Audio (Internal Pin-header) J36 Shared Sources
The Audio line out and Microphone Input of the J36 Internal Pin-header can be shared between following sources:
-
HP Out and Microphone of the I2S Audio Codec WM8904
-
Line Out and Microphone of the HD-Audio Codec ALC888S
Note: It is not possible to use both sources at the same time.
Audio line out Switch Modification Instruction
To switch the audio lines of the J36 between I2S or HD-Audio Codec see the
“Audio Internal Pin-header J37
Shared Components Modification Table”
below. Use
“D001_AssemblyDrawing_eDM-CB-SM-IPCS.pdf”
to
locate components on the PCB.
RefDes
I2S Codec
HD-Audio Codec
Component Parameters
C325
Add
Remove
10uF capacitor MLCC / X5R / 0603 package
C326
Add
Remove
10uF capacitor MLCC / X5R / 0603 package
C327
Add
Remove
10uF capacitor MLCC / X5R / 0603 package
C328
Add
Remove
10uF capacitor MLCC / X5R / 0603 package
R510
Add
Remove
0 Ohm resistor / 0603 package
R1069
Add
Remove
0 Ohm resistor / 0603 package
R502
Remove
Add
4.75 kOhm resistor / 0201 package
R503
Remove
Add
4.75 kOhm resistor / 0201 package
R504
Remove
Add
4.75 kOhm resistor / 0201 package
R505
Remove
Add
4.75 kOhm resistor / 0201 package
R497
Remove
Add
75 Ohm resistor / 0402 package
R498
Remove
Add
75 Ohm resistor / 0402 package
R499
Remove
Add
75 Ohm resistor / 0402 package
R500
Remove
Add
0 Ohm resistor / 0201 package
R501
Remove
Add
75 Ohm resistor / 0402 package
R509
Remove
Add
0 Ohm resistor / 0603 package
R1068
Remove
Add
0 Ohm resistor / 0603 package