Nokia NSE–3 SERIES Service Manual

Contents

Nokia NSE–3 SERIES Service Manual Manual pdf 206 page image

PAMSTechnical DocumentationNSE–3Tuning InstructionsPage 4 Original 11/97Required Equipment– PC/AT computer with service software; see separate section forinstructions on installation and use.– Service accessories; see equipment setup pictures.– Multimeter or DVM.– GSM radio telephone test station or separate measuring equipment asfollows:– RF generator– pulse power meter– spectrum analyzer– attenuator and branching unitEquipment SetupCaution: Make sure that you have switched off the PC and the printerbefore making connections !Caution: Do not connect the PKD–1 key to the serial port. You maydamage your PKD–1 !Attach the protection key PKD–1 to parallel port one (25–pin femaleD–connector) of the PC. When connecting the PKD–1 to the parallel portbe sure that you insert the PC end of the PKD–1 to the PC (male side). Ifyou use a printer on parallel port one, place the PKD–1 between the PCand your printer cable.Next connect the M2BUS service cable, DAU–9P, to the serial port(RS–232) of the computer. Attach one end of the service cable to the PCserial port and the other end to the service box, JBA–4. For servicing thephone with the covers in place the service box should always be used.When the phone covers are removed the jigs should be used.For audio measurements connect the audio cable, ADS–1, as follows:– EAR line to AF INPUT of test equipment– MIC line to MOD GEN OUTPUT of test equipment