Flash Programming Failure (4) - Nokia NSE–6 Series Disassembly & Troubleshooting Instructions

NSE–6
Disassembly & Troubleshooting Instructions

Flash Programming failure (4)

Flash programming doesn't work
If the fault information is:
External RAM fault
Check control lines of SRAM (D230):
RamSelX..
There could be open joints in SRAM
Flash programming doesn't work
If the fault information is:
MCU flash Vpp error
Vpp > 2.8 V (C212)
Check components C212, R211
Faulty component D220
Page 12
Check control lines of Flash (D220):
ROM1SelX (J234)..
Fault could be open joints in Flash or
In upper data lines (15:8)
YES
YES
NO
Vpp > 2.8 V in J221
YES
Check UI connector X303
OK
Technical Documentation
Flash programming doesn't work
If the fault information is:
Algorithm file or alias ID not found,
ID is unknown etc.
NO
YES
PAMS
Check regulator N202
Original 08/98