Text preview for : TUNING.PDF part of Nokia 5120 Service Manual Radiomobile GSM - Part 1/2, Tot. File 18.
Back to : NSC-1_gsm_©_.part1.rar | Home
PAMS Technical Documentation NSC/W1/3 Series Transceivers
Tuning Instructions
Original 11/99
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
CONTENTS
Tuning Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment Setup for Tuning a Phone without Removing Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flash Concept for NSC/W-1/3 . . . . . . . . . . . . . . . . . . . . . . . Light Flash Concept for NSC/W-1/3 . . . . . . . . . . . . . . . . . . . Easy Flash Concept for NSW-1/3 . . . . . . . . . . . . . . . . . . . . POS Flash Concept for NSW-1/3 . . . . . . . . . . . . . . . . . . . . . Tuning With Covers Off Using Testframe JBS19 . . . . Tuning With Covers Off using Light Jig JBT1 . . . . . . . . Warranty Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warranty Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Point of Sale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Central of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Point of Sale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tuning Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. AFC Tuning (Analog) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. VCTCXO Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. Modulator Output ... LOW BAND / HIGH BAND (only NSW-1/3) . . . . . . . . . . . 4. Tx I/Q Modulator Amplitude Balance and Phase Shift Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. TX Power... LOW BAND / HIGH BAND . . . . . . . . . . . . . 800MHz Analog TX output power . . . . . . . . . . . . . . . . . . 800MHz Digital TX output power . . . . . . . . . . . . . . . . . . . TDMA1900 TX output power . . . . . . . . . . . . . . . . . . . . . . 6. RSSI Digital (AGC) ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. RSSI Analog ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. Rx Audio... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9. Tx Audio... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10. Charging... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 4 4 5 6 7 8 9 10 11 12 12 12 13 13 14 14 14 14 15 16 17 17 18 18 19 19 19 20
Page 2
Original 11/99
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Tuning Instructions
General
All tuning operations of the NSC1/3 and NSW1/3 phones 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. Note: NSC1 and 3 do not have upper band componets. NSC1 and 3 are only 800 Mhz tranceivers. During tuning, proceed as follows: Take care not to damage sensitive measuring instruments with excessive RF power. Carry out all tuning steps in the shortest possible time to avoid excessive heating of RF units. Perform all tuning steps in the order presented. Never try to mask a fault by tuning it out!
Original 11/99
Page 3
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
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: Caution: Make sure that you have switched off the PC and the printer before making connections ! Do not connect the PKD1 key to the serial port. You may damage your PKD1 !
Attach the protection key PKD1 to parallel port one (25pin female Dconnector) of the PC. When connecting the PKD1 to the parallel port be sure that you insert the PC end of the PKD1 to the PC (male side). If you use a printer on parallel port one, place the PKD1 between the PC and your printer cable. Next connect the M2BUS service cable, DAU9P, to the serial port (RS232) of the computer. Attach one end of the service cable to the PC serial port and the other end to the service box, JBA4. 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, ADS1, as follows: EAR line to AF INPUT of test equipment MIC line to MOD GEN OUTPUT of test equipment
Page 4
Original 11/99
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Equipment Setup for Tuning a Phone without Removing Covers
5. 4.
1.
6.
2.
3. Item: 1 or 2 3 4 5 6 Service accessory: Service Battery BBD3 Dummy Battery BTD3 DC Cable SCB3 Service MBUS Cable DAU9P External Antenna Cable XRC2 Software protection key PKD1 Service SW diskette 3.5" for NSC/W1/3 WinTesla Service SW application Product code: 0775071 0670280 0730114 0730109 0730180 0750018 0774099 0774046
Original 11/99
Page 5
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
Flash Concept for NSC/W-1/3
10.
13. 12. 11. 6. 4. 9B. 5. 1. 2. 3. Item: 1 2 3 4 5 6 7 8 9A 9B 10 11 12 Service accessory: Product code: 7. 8. 9A.
13
Flash Loading Adapter FLA5 0080178 Flash Security Box TDF4 0770106 Prommer FPS4S 0085095 Service Battery BBD3 0775071 Service Cable SCH5/A 0730098 / 0730166 DC Cable PCC1B 0770050 D15 D15 Cable AXS5 0730091 (Included in FLA5 sales pack) Printer Cable (Included in FPS4 sales pack) 0730029 D9 D9 Cable AXS4 0730090 (Included in FPS4 sales pack) D9 D9 Cable AXS4 0730090 Software protection key PKD1 0750018 Service SW diskette 3.5" for NSC/W1/3 0774099 WinTesla Service SW application 0774046 Travel Charger ACH6E (Euro) 0270381 Travel Charger ACH6U (USA/Japan) 0270382 Travel Charger ACH6X (UK) 0270380 AC Charger ACL3E 0680015 (Included in FPS4 sales pack)
Page 6
Original 11/99
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Light Flash Concept for NSC/W-1/3
9. 11.
10. 7. 5. 6. 8.
3. 4. 1. 2. Item: 1 2 3 4 or 5 6 7 8 9 10 11 Service accessory: Flash Loading Adapter FLA5 Flash Security Box TDF4 Service Battery BBD3 Service Cable SCH5 Service Cable SCH 5A DC Cable PCC1 D9 D9 Cable AXS4 Light Flash Cable FLC5 XCM1 Cable Software protection key PKD1 Light Flash SW diskette 3.5" for NSB/C/W1/3 Travel Charger ACH6E (Euro) Travel Charger ACH6U (USA/Japan) Travel Charger ACH6X (UK) Product code: 0080178 0770106 0775071 0730098 0730166 0770050 0730090 0770107 4626131 0750018 0774094 0270381 0270382 0270380
Original 11/99
Page 7
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
Easy Flash Concept for NSW-1/3
3.
6. 5. 4. 2.
1.
Item: 1 2 3 4 5 6
Service accessory: Flash Security Box TDF4 Easy Flash Cable FLE5 Software protection key PKD1 Easy Flash SW diskette 3.5" for NSW-1/3 XCM1 Cable Travel Charger ACH6E (Euro) Travel Charger ACH6U (USA/Japan) Travel Charger ACH6X (UK)
Product code: 0770106 0770147 0750018 4626131 0270381 0270382 0270380
Page 8
Original 11/99
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Point of Sale Flash Concept for NSW 1/3
With this equipment setup the user can flash a new software in the phone.
4.,5.,6. Laptop PC
1. 3. 2.
Item: 1 2 or 3 4
Service accessory:
Type
Product code: 0750130 0730098 0730166 0730090 0770177 0770176 0774046 0774123 0275405 0275404 0774099
Alt. 5 6
POS Flash Adapter FLS-2D Service Cable SCH5 Service Cable SCH5A D9D9 Cable AXS4U Service SW diskette 3.5" for 16bit Dongle Drivers (Windows 3.1x) Service SW diskette 3.5" for 32bit Dongle Drivers (Windows 95/98/NT) Service SW diskette 3.5" for FLE5 drivers Service SW diskette 3.5" for FLS1 Remote Update Application Installation Pack: FLS-2D Sales Pack, Installation and User Guide FLS-2D Registration Request Form Service SW diskette 3.5" for NSC/W1/3
Original 11/99
Page 9
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
Tuning With Covers Off Using Testframe JBS19
8. 3. 4.
9. 6. 1. 7. 5. 2.
Item: 1 2 3 4 or 5 6 7 8 9 *) **) ***)
Service accessory: Module Jig JBS19 * Service Audio Box JBA4 ** DC Cable PCS1 External Antenna Cable XRC1B External Antenna Cable XRC2*** Service Cable SCH5/A ** Service MBUS Cable DAU9S ** Audio Cable ADS1 Software Protection Key PKD1 Service SW diskette 3.5" for NSC/W1/3 WinTesla Service SW application
Product code: 0770098 0770094 0730012 0730128 0730180 0730098 / 0730166 0730108 0730011 0750018 0774099 0774046
The nominal operating voltage for JBS19 is 3.6 V. The supply voltage for JBS19 must never exceed 5.0 V SCH5, JBA4, and DAU9S can be replaced with DAU9P Recommended Original 11/99
Page 10
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Tuning With Covers Off using Light Jig JBT1
8.
3. 4. 9.
1.
7. 6.
5. 2.
Item: 1 2 3 4 or 5 6 7 8 9 *) **) ***)
Service accessory: Light Module Jig JBT1 * Service Audio Box JBA4 ** DC Cable PCS1 External Antenna Cable XRC1B External Antenna Cable XRC2*** Service Cable SCH5/A ** Audio Cable ADS1 Service MBUS Cable DAU9S ** Software Protection Key PKD1 Service SW diskette 3.5" for NSC/W1/3 WinTesla Service SW application
Product code: 0770109 0770094 0730012 0730128 0730180 0730098 / 0730166 0730011 0730108 0750018 0774099 0774046
The nominal operating voltage for JBT1 is 3.6 V. The supply voltage for JBT1 must never exceed 5.0 V SCH5, JBA4, and DAU9S can be replaced with DAU9P Recommended
Original 11/99
Page 11
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
Warranty Transfer
1.
Item: 1
Service accessory: Warranty Cable SCH6
Product code: 0730099
Warranty Transfer
The Warranty cable SCH-6 is used to connect two phones and transfer the warranty data (user settings and serial numbers) from one phone to another. The warranty transfer procedure is as follows No warranty transfer between 6160 P1 and P3.
Point of Sale
S S Phone 1 is broken. Number the phones 1 and 2 to avoid mix-up.
S Plug the warranty cable SCH-6 to the phones. In this case phones 1 and 2. S Turn the phone 2 on and then on Silent Profile S Start the warranty data transfer by selecting code *#92772689# in phone 2. S Select option "Transfer user data?" and press OK ,"Confirm transfer?" Press OK. S Wait untli the transfer is completed. S Turn Phone 2 off, then back on and check welcome note and profile. Original 11/99
Page 12
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
S After the transfer check with WinTesla the original and warranty ESN of the phone 2. S Send the broken phone no.1 to the central service.
Central of Service
S S S S S Check and repair the phone . Change Warranty State from "defective" to "exchange". Win Tesla and PKD1CS are needed Menu Software > Warranty Info > Info State > select "Exchange" Send the repaired phone to the dealer.
Point of Sale
S Use the returned phone as a swap phone. S When the Warranty Info is transferred into a swap phone the Warranty State changes to USE mode. S Send the broken phone to the central service.
Original 11/99
Page 13
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
Tuning Steps
1. AFC Tuning (Analog)
This tuning adjusts reference oscillators frequency so that network's frequency criterias will be met. This adjustment loads the Analog center frequency DAC value into the EEPROM. When doing this, a spectrum analyzer must be used. Note: Do not leave tuning on. The analog transmitting takes maximium current. The tunning can damage the phone or service battery. The service battery will be heated. The Spectrum analyzer settings are shown in AFC tuning window. Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Connect the spectrum analyzer to antenna connector. Check that spectrum analyzer frequence is correct. Tune the center frequence 832.500 Mhz +/ 200 kHz. Once Center frequence (CFR) is correct, press OK button.
2. VCTCXO Tuning
This tuning is to check that the radio unit has correct adjustment to meet networks criteria for frequency stability. This adjustment loads the VCTCXO DAC value into the EEPROM. RF generator must be used in this. The Spectrum analyzer settings are shown in AFC tuning window. Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Connect the antenna connector to RF generator. Once all RF generator frequency is correct, press Meas button. Set correct RF level to signal generator ( Note: attenuation! ) Once frequency and RF level are correct press OK button.
3. Modulator Output ... LOW BAND / HIGH BAND (only NSW-1/3)
This tuning is to adjust radio unit's intermediate frequency level so that RF small signal gain have it's maximun dynamic range in use with some drift margin. Select Tuning > Modulator output > Low Band / High Band Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Original 11/99
Page 14
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
Connect pulse power meter or spectrum analyzer to antenna connector. Check that spectrum analyzer frequence is correct (RF information shows correct frequency) Tune the modulator output power to 22dBm. Once tuning level is correct, press OK button.
4. Tx I/Q Modulator Amplitude Balance and Phase Shift Tuning
This tuning is to adjust IQmodulators dcoffset and phase error so that system's requirements for modulation accuracy will be met. The purpose of this tuning operation is to adjust the I/Q modulator d.c. offsets and the I/Q modulator amplitude balance and phase shift. I/Q modulator d.c. offsets, amplitude balance and phase shift tuning: Select Tuning > TX I/Q... Connect spectrum analyzer (with attenuator if needed) to phone antenna connector. Check that TX power level is level 10, channel is 60 and TX data type is 1. Adjust spectrum analyzer centre frequency to 830.700 Mhz, and all other settings are notified by pressing . 9.1125 kHz CHF 9.1125 kHz
D.C. offset tunings: Set this value to minimum
> 32 dB
> 32 dB
Amplitude & phase difference: Set this value to minimum
Select the "TX I d.c. offset" option. Adjust the level of centre frequency (CHF signal) to minimum by varying D/A converter value with < and > buttons.
Original 11/99
Page 15
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
The amplitude difference between CHF 9.1125 kHz and CHF should be >30 dB. Select option "TX Q d.c. offset". Adjust the level of signal CHF to minimum by varying D/A converter value with < and > keys. Use the "Amplitude Difference" option. Adjust the level of signal CFR 9.1125 kHz to minimum by varying D/A converter value with < and > keys. The amplitude difference between CHF+67.7 kHz and CHF 67 kHz should be >35 dB. Select the "Phase Difference" option. Adjust the level of signal CHF+67.7 kHz to minimum by varying D/A converter value with < and > keys. When values are correct press SAVE button.
5. TX Power... LOW BAND / HIGH BAND
NOTE: Use Service Battery connected to 1.5A 8.4V power supply or use phone's own battery. This tuning is to adjust radio unit's output power level values according to system specification. This adjustment loads the power levels of the phone transmitter into the EEPROM. When doing this, a pulse power meter or spectrum analyzer must be used. The shows spectrum analyzer settings. Power levels programming: Select Tuning > TX Power... >LOW BAND / HIGH BAND All power channel have to be tuned. Repeat this test for A, B, C and D power channel. The Power channel change read old tuning values from phone's EEPORM. Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Connect pulse power meter or spectrum analyzer to antenna connector. Check that spectrum analyzer frequence is correct. Settings for spectrum analyzer in digital power tuning: S S S Set span 0 Hz. Set Ref LVL 30 dB. Set Ref LVL offset = cable loss. Original 11/99
Page 16
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
S S S
Set RBW and VBW 300 kHz. Set TRIG: SWEEP CONT, VIDEO 10dBm. Set marker at middle of slot.
Adjust the power level by clicking the + and buttons, and change levels with and keys. Tune levels which are shown by # for calculate. Press Calculate button to calculate all other levels. Once all TX levels are correct, press SAVE button.
800MHz Analog TX output power
Power level 2 RF Power at ext. RF connector (* 25.8 dBm Tuning target tolerance +/ 0.1 dB Testing Limits +0.7...1.0 . dB 26.5 24.8 dBm
800MHz Digital TX output power
Power level 2 3 4 5 6 7 8 9 10 RF Power at ext. RF connector (* 26.8 dBm 23.5 dBm 19.8 dBm 15.8 dBm 11.8 dBm 7.8 dBm 3.8 dBm 0.2 dBm 4.2 dBm Tuning target tolerance +/ 0.1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB Testing Limits +0.3/2.0 dB 27.1 24.8 dBm +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB
Check, that power level PL2 TXC DAC value is on allowed range 50...200. (* If there is a difference between power measured from panel test pad and ext RF connector, this must be taken care so that measurements from ext. RF give the correct results.
Original 11/99
Page 17
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
TDMA1900 TX output power
Power level 2 3 4 5 6 7 8 9 10 RF Power at ext. RF connector (* 25.8 dBm 22.2 dBm 18.4 dBm 14.6 dBm 10.8 dBm 7.0 dBm 3.4 dBm 0.2 dBm 4.2 dBm Tuning target tolerance +/ 0.1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB +/ 1 dB Testing Limits +0.7...1.0 dB 26.5 24.8 dBm +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB +/ 2.0 dB
Check, that power level PL2 TXC DAC value is on allowed range 10...+400. (* If there is a difference between power measured from panel test pad and ext RF connector, this must be taken care so that measurements from ext. RF give the correct results.
6. RSSI Digital (AGC) ...
This tuning is to measure the small signal gain of radio unit to meet system requirements for RSSI reporting. Select Tuning > RSSI Digital (AGC) > Low Band / High Band Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Connect the RF generator to antenna connector. Press Meas > The program shows correct frequency and signal level. . Once RF generator setting are correct, press OK button Repeat measurement with all signal levels. Once tuning is correct, press OK button.
Page 18
Original 11/99
PAMS Technical Documentation
NSC/W1/3 Tuning Instructions
7. RSSI Analog ...
This measurement is for RSSI in analog mode. The analog mode works only with 800 Mhz. Select Tuning > RSSI Analog... Set power supply voltage 8.4 V to service battery (or 3.6 V to jig). Connect the RF generator to antenna connector. Press Meas > The program shows correct frequency and signal level. Once RF generator setting are correct, press OK button Repeat measurement with all signal levels. Once tuning is correct, press OK button.
8. Rx Audio...
This measurement is for Audio output calibration for DAMPS mode. When doing this the oscilloscope or multimeter must be used. Select Tuning >RX Audio Connect the XEAR line to oscilloscope or multimeter. tune the signal to correct level Once tuning is correct, press OK button
9. Tx Audio...
This measurement is for Audio output calibration for DAMPS mode. When doing this the signal generator must be used. Select Tuning >RX Audio Connect the XMIC line to signal generator. tune the signal to correct level Once tuning is correct, press OK button
Original 11/99
Page 19
NSC/W1/3 Tuning Instructions
PAMS Technical Documentation
10. Charging...
Select Tuning > Charging... Connect service battery to phone and dc cable (SCB3) between phone and service battery Set supply voltage to 10.5 V Run calibrations all at once Run calibrations by pressing button Set supply voltage back to 8.4 V
Page 20
Original 11/99