"S-Pen" Function Does Not Work - Samsung GT-N8000 Servise Manual

8-3-7. S-Pen

"S-Pen" function does not work

connector on Main PBA
Check C935, C942 is
R909 = HIGH, R930 = open
R907, R908 = HIGH
Check the PDCT, IRQ line
Replace the LCD ass'y
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Yes
Check the S-Pen
Abnorma
Check the voltage
C907 = 3.3V
Yes
20MHz
Yes
Check I2C mode
Yes
PDCT R926 = High
IRQ R923 = LOW
Yes
Yes
END
No
Reconnect the CN900
Resolder R913, U902, C907, L900, L901
No
Replace the PBA
Resolder C935, C942, OSC900
No
Replace the PBA.
Resolder R909, R930, R907, R908, U901
No
Replace the PBA
Resolder R926, R923, U900
No
Replace the PBA.
8-17
Level 3 Repair