User Guide

NHM-10 Company Confidential
BB Troubleshooting CCS Technical Documentation
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Memory
faults
page2
Change Flash Chip
according to Phoenix
messages
If both chip
s report wrong
ID’s -
> change UPP_WD2
Yes
Change SDRAM
Yes
Prommer
message about
sdram failure?
Wrong
manufacturer ID
and device ID
No
No
Retest
"Flash informs
about a failure"
during flashing
No
Check flash0 bypass caps, check
Vpp connection to flasher, Check
Vpp resistor(4.7k)
Ok->Change flash0
Yes
Yes
Activity in sdram
clk J108 pad?
No
Change UPP_WD2
Yes
Voltages
VmemA and
VioA ok?
No
EM
troubles
No
"Secondary
receive fail" or
"Algorithm send
failed"
message?
Change UPP_WD2
Yes
Activity in SDRAM
Clk J314 pad?
Voltages
VmemA and
Vio OK?
Vpp resistor (R314, 4.7k)