Flash Programming Failure (4) - Nokia NSE–3 SERIES Service Manual

PAMS
Technical Documentation

Flash Programming failure (4)

Flash progrmming doesn't work
YES
If the fault information from the prommer is:
MCU flash Vpp error
YES
Vpp > 4.5 V in D210 pin 13 (or C212)
YES
Check components C212, R211
OK
Faulty component D210
Original, 11/97
Disassembly & Troubleshooting Instructions
Flash progrmming doesn't work
YES
If the fault information from the prommer is:
External RAM fault
YES
Check pins of SRAM (D220)
Check control lines of SRAM:
RAMSelX ...
Flash progrmming doesn't work
YES
If the fault information from the prommer is:
Algorithm file or alias ID don't find, ID is un-
known etc.
YES
Check pins of FLASH (D210)
Check control lines and upper data lines (15:8)
of FLASH: ROM1SelX...
NO
Vpp > 4.5 V in testpoint J221
Check UI connector X300
NO
Check regulator N201
YES
NSE–3
Page 11