Nokia 3360, 3361 服务手册

NPW-1

Troubleshooting Instructions

PAMS Technical Documentation

Page 2

 

ãNokia Corporation

Issue 1 10/01

Troubleshooting Instructions ..........................................................................................1
Transceiver Troubleshooting ......................................................................................... 4

General about testing................................................................................................. 4
Troubleshooting ........................................................................................................ 4
Power up faults.......................................................................................................... 5
Flash Programming does not work.......................................................................... 10
Charging .................................................................................................................. 12
Audio failures .......................................................................................................... 13
Accessory detection................................................................................................. 15
Sleep Clock ............................................................................................................. 16
Display/Keyboard lights do not work ..................................................................... 18
Display does not work............................................................................................. 19
Buzzer does not work .............................................................................................. 20
Vibra does not work ................................................................................................ 20
Keyboard does not work ......................................................................................... 20
Infrared does not work ............................................................................................ 21

General instructions for TX troubleshooting .......................................................... 28
Path of the transmitted signall ................................................................................. 28
Fault finding charts for the transmitter.................................................................... 29

19.44 MHz reference oscillator ............................................................................... 35
RX VHF VCO ......................................................................................................... 36
TX VHF VCO ......................................................................................................... 37
UHF SYNTHESIZER ............................................................................................. 38