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Mio336i PDA Maintenance
Mio336i PDA Maintenance
8.5 Audio Function Failure
No sound from speaker after audio function is installed.
Audio Function Failure
Test
ok?
Try another known good speaker.
Replace the faulty speaker.
Yes
No
No
Yes
Correct it.
Board-level
Troubleshooting
1. Check the internal speaker cables or external speaker
are connected properly.
2. Make sure all the drivers are installed properly.
Test
ok?
Check the following parts for cold solder or one of the
following parts on the mother-board may be defective, use
an oscilloscope to check the following signal or replace the
parts one at a time and test after each replacement.
Parts
Signals
U1
U11
U14
U15
U44
L1~L6
R55
R57
R63
R56
R67
R71
J2
VCC_AUD
AMP_5V
AC97_#RST
AC97_D_IN
CLK_BITCLK
AC97_D_OUT
AC97_SYNC
IRQ_PEN
AMP_PWR_ON_IV
HP_OUT_L
HP_OUT_R
JACK_OUT_L
JACK_OUT_R
MIC_IN
Replace mother board and into
board level troubleshooting.
Summary of Contents for Mio336i
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