Nokia 8850 Service Manual
NSM–2
Service Software Instructions
Service Software Instructions
PAMS Technical Documentation
Page 82
Issue 1 12/1999
Nokia Mobile Phones Ltd.
Required Equipment
– PC with service software; see separate section for instructions on
installation and use.
– Service accessories; see equipment setup pictures.
– Multimeter or DVM.
– GSM radio telephone test station or separate measuring equipment as
follows:
– RF generator
– pulse power meter
– spectrum analyzer
– attenuator and branching unit
Equipment Setup
Caution:
Make sure that you have switched off the PC and the printer
before making connections !
before making connections !
Caution:
Do not connect the PKD–1 key to the serial port. You may
damage your PKD–1 !
damage your PKD–1 !
Attach the protection key PKD–1 to parallel port one (25–pin female
D–connector) of the PC. When connecting the PKD–1 to the parallel port
be sure that you insert the PC end of the PKD–1 to the PC (male side). If
you use a printer on parallel port one, place the PKD–1 between the PC
and your printer cable.
D–connector) of the PC. When connecting the PKD–1 to the parallel port
be sure that you insert the PC end of the PKD–1 to the PC (male side). If
you use a printer on parallel port one, place the PKD–1 between the PC
and your printer cable.
Next connect the M2BUS service cable, DAU–9S, to the serial port
(RS–232) of the computer. Attach one end of the service cable to the PC
serial port and the other end to the service box, JBU–6. For servicing the
phone with the covers in place the service box should always be used.
(RS–232) of the computer. Attach one end of the service cable to the PC
serial port and the other end to the service box, JBU–6. For servicing the
phone with the covers in place the service box should always be used.
When the phone covers are removed the jigs should be used.