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Mio336i PDA Maintenance
Mio336i PDA Maintenance
8.4 Memory Test Error
An error message of memory failure is shown.
Memory Test Error
Test
ok?
Re_-flash the image and test again.
Correct the image setting.
Yes
No
Yes
No
Replace the faulty
external I/O device.
Board-level
Troubleshooting
Remove all external I/O device.
Is the
memory fail error message
still occur?
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
U3
U4
U36
U37
U38
U39
J5
R126
R127
R129~R134
R183~R186
VCC_MEM
SA_D[0:31]
DQM[0:3]
SA_A[10:25]
SA_SDCS0#
SA_WE#
SA_SDCAS#
SA_SDRAS#
SA_SDCLKE
CLK_SD1
SA_RD/WR#
SACS2#
SDDATA3
SDCMD
SDDATA0
SD_IRQ#
SD_WP
SD_DETECT#
SDCLK
Replace mother board and into
board level troubleshooting.
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