Nokia 6110 - Flash Programming Failure (4)

PAMS
Technical Documentation
NSE–3
Disassembly & Troubleshooting Instructions
Page 11
Original, 11/97
Flash Programming failure (4)
Flash progrmming doesn’t work
YES
Faulty component D210
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 control lines and upper data lines (15:8)
of FLASH: ROM1SelX...
Check pins of FLASH (D210)
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)
Check components C212, R211
YES
NO
Vpp > 4.5 V in testpoint J221
YES
NO
Check UI connector X300
Check regulator N201
OK