Nokia NSB-1 Series Manuale utente

NSB–1/3 Series Transceivers

PAMS Technical Documentation

Original 06/98

Tuning Instructions

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 2 Original 06/98

CONTENTS

Tuning Instructions 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Required Equipment 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Equipment Setup 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Equipment Setup for Tuning a Phone without Removing Covers 5

Flash Concept for NSB–1/3 6. . . . . . . . . . . . . . . . . . . . . . . . . .

Light Flash Concept for NSB–1/3 7. . . . . . . . . . . . . . . . . . . . .

Tuning With Covers Off – Using Test–frame JBS–19 8. . . .

Tuning With Covers Off – using Light Jig JBT–1 9. . . . . . . .

Warranty Transfer 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tuning Steps 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1. RX Calibration (AGC + AFC) 11. . . . . . . . . . . . . . . . . . . . . .

2. I/Q Modulator Amplitude Balance and Phase Shift Tuning 12

3. Tuning of Transmitter Power Levels 14. . . . . . . . . . . . . . . .

4. Energy Management Calibration 15. . . . . . . . . . . . . . . . . . .

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 3

Original 06/98

Tuning Instructions

General

All tuning operations of the NSB–1/3 are carried out using the service

software. The service software turns the phone into the locals mode, in

which the phone can be outwardly controlled via the MBUS interface.

Tuning is based on the software communicating with the D/A and A/D

converters of the phone. In some instances the phone processor will also

calculate the required correction parameter.

The tuning values of the phone reside on the EEPROM. The contents of

the EEPROM can be read by the service software and saved as a file.

This is advisable when there is need to retain that information, e.g. in

view of replacement of the circuit. The program also enables writing the

default parameters on the EEPROM, in which case all tuning steps should

be carried out.

During tuning, proceed as follows:

– Take care not to damage sensitive measuring instruments with exces-

sive RF power.

– Carry out all tuning steps in the shortest possible time to avoid exces-

sive heating of RF units.

– Perform all tuning steps in the order presented.

– Never try to mask a fault by tuning it out!

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 4 Original 06/98

Required Equipment

– PC/AT computer 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 !

Caution: Do not connect the PKD–1 key to the serial port. You may

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.

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 PC

serial port and the other end to the service box, JBA–4. 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.

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

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 5

Original 06/98

Equipment Setup for Tuning a Phone without Removing Covers

Item: Service accessory: Product code:

1 Service Battery BBD–3 0775071

2 DC Cable SCB–3 0730114

3 Service MBUS Cable DAU–9P 0730109

4 Software protection key PKD–1 0750018

5 Service SW diskette 3.5” 0774080

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 6 Original 06/98

Flash Concept for NSB–1/3

12.

9B. 8.

10.

11.

13.

9A.

Item: Service accessory: Product code:

1 Flash Loading Adapter FLA–5 0080178

2 Flash Security Box TDF–4 0770106

3 Prommer FPS–4S 0085095

4 Service Battery BBD–3 0775071

5 Service Cable SCH–5 0730098

6 DC Cable PCC–1 0730053

7 D15 – D15 Cable AXS–5 0730091

(Included in FLA–5 sales pack)

8 Printer Cable (Included in FPS–4 sales pack) 0730029

9A D9 – D9 Cable AXS–4 0730090

(Included in FPS–4 sales pack)

9B D9 – D9 Cable AXS–4 0730090

10 Software protection key PKD–1 0750018

11 Service SW diskette 3.5” 0774080

12 Travel Charger ACH–6E (Euro) 0270381

Travel Charger ACH–6U (USA/Japan) 0270382

Travel Charger ACH–6X (UK) 0270380

13 AC Charger ACL–3E 0680015

(Included in FPS–4 sales pack)

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 7

Original 06/98

Light Flash Concept for NSB–1/3

5. 6.7. 8.

10.

11.

Item: Service accessory: Product code:

1 Flash Loading Adapter FLA–5 0080178

2 Flash Security Box TDF–4 0770106

3 Service Battery BBD–3 0775071

4 Service Cable SCH–5 0730098

5 DC Cable PCC–1 0730053

6 D9 – D9 Cable AXS–4 0730090

7 Light Flash Cable FLC–5 0770107

8 XCM–1

9 Software protection key PKD–1 0750018

10 Service SW diskette 3.5” 0774080

11 Travel Charger ACH–6E (Euro) 0270381

Travel Charger ACH–6U (USA/Japan) 0270382

Travel Charger ACH–6X (UK) 0270380

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 8 Original 06/98

Tuning With Covers Off – Using Test–frame JBS–19

Item: Service accessory: Product code:

1 Module Jig JBS–19 * 0770098

2 Service Audio Box JBA–4 ** 0770094

3 DC Cable PCS–1 0730012

4 External Antenna Cable XRC–1B 0730128

5 Service Cable SCH–5 ** 0730098

6 Service MBUS Cable DAU–9S ** 0730108

7 Audio Cable ADS–1 0730011

8 Software Protection Key PKD–1 0750018

9 Service SW diskette 3.5” 0774080

*) The nominal operating voltage for JBS–19 is 3.6 V.

The supply voltage for JBS–19 must never exceed 5.0 V

**) SCH–5, JBA–4, and DAU–9S can be replaced with DAU–9P

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 9

Original 06/98

Tuning With Covers Off – using Light Jig JBT–1

Item: Service accessory: Product code:

1 Light Module Jig JBT–1 * 0770109

2 Service Audio Box JBA–4 ** 0770094

3 DC Cable PCS–1 0730012

4 External Antenna Cable XRC–1B 0730128

5 Service Cable SCH–5 ** 0730098

6 Audio Cable ADS–1 0730011

7 Service MBUS Cable DAU–9S ** 0730108

8 Software Protection Key PKD–1 0750018

9 Service SW diskette 3.5” 0774080

*) The nominal operating voltage for JBT–1 is 3.6 V.

The supply voltage for JBT–1 must never exceed 5.0 V

**) SCH–5, JBA–4, and DAU–9S can be replaced with DAU–9P

PAMS

Technical Documentation

NSB–1/3

Tuning Instructions

Page 10 Original 06/98

Warranty Transfer

Item: Service accessory: Product code:

1 Warranty Cable SCH–6 0730099

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