Table of Contents
Advertisement
9-6. Speaker Part(MP3 / SPK)
Check the PWM signal at
Speaker does not work
Yes
I2S clocks at 11, 13, 14,
17 pins of UCD801 are
OK?
Yes
Check the signal at 25,
26 pins of UCD801
Yes
Check the signal at 4,
16 pins of U803
Yes
4,6,16,18 of U801
Yes
Check the Speaker
contact pins
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Check the supply voltage of U305 ,
Check 27MHz clock of OSC300
No
No
Check 10 pin of U803 is 1.8V
No
Change U801 (D-class Audio AMP)
No
Replack Speaker inside Intenna
9-13
Flow Chart of Troubleshooting
UCD801(3.3V)
Advertisement
Table of Contents
