Nokia 3210 Cell Phone User Manual


 
CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 05.11.1999 Page 8 of 37
D301 Flash faulty
If the handset switches it self off, change the switch of the service frame to local mode
Check the 32,768KHz Sleep clock signal on C149
Check the 13MHz main clock oscillator on C301 800mVpp
Check the VBB voltage on C117
If power consumption is approximately 20mA try to flash the phone
If you get a error message during the flashing process, change the flash and try it again
D302 RAM faulty/ poor soldering
Check if the handset current consumption is approx. 20mA
Check the 32,768KHz Sleep clock signal on C149
Check the 13MHz main clock oscillator on C301 800mVpp
Check the VBB voltage on C117
Resolder RAM
Try to flash the handset
Change the RAM if you get a error message during the flash procedure "external RAM error"
Intermittent doesn't switch on
D301 FLASH faulty
Check if the handset switches on after reflashing the memory
D301 Flash internal fail or poor soldering balls
Not charging
Not charging
(1)
confirmation or error massage/ beep is not coming from phone if charger is pluged in
Check
V_CHARGE_IN
on
C100
Change N101
(PSCC)
check system
connector X503,
clean contacts &
PCB or change if
necessary
oK
not oK
Check resistance
0f fuse (F100) and
L100 (0Ohm)
change if
necessary
oK