Tables Baseband Components ....................WCDMA tuning alignments to be run when RF components are changed ..GSM tuning alignments to be run when RF components are changed ... Copyright 2003 Nokia Corporation Page 6-2 Issue 1 (11/2003) Company Confidential...
Flash phone before disassembling it if fault is not obvious and Phoenix connection is OK. Disassemble phone: Try to locate failed module, is it Engine, UI or camera module. Check failed module visually: Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-3 Company Confidential...
Measurements have been made with a current probe connected to an oscilloscope. Operating mode Current consumption Idle 90 mA 2w audio call (backlights off) 350 mA Viewfinder 260 mA Copyright 2003 Nokia Corporation Page 6-4 Issue 1 (11/2003) Company Confidential...
Phoenix check battery 19.2MHz? L899. OK? voltage, recalibrate if necessary. Replace Replace Possible defective G820 Is flash problem with part. programming TIKU, UEME, or working? Memories. Flash fault Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-5 Company Confidential...
Replace manufacture ID Program and device ID Flash D451 Possible short circuit under TIKU or program flash. Phone is Replace or reflow dead devices, Retest. OK? End (reset) Copyright 2003 Nokia Corporation Page 6-6 Issue 1 (11/2003) Company Confidential...
Voltage on C405. flashing. Is it Is it ~3.0V? ~1.8V? Check SIM Check SIM lines, if power-up OK replace UEME sequence. Is it OK D200. Replace TIKU D300 Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-7 Company Confidential...
D300. Check S403, R400 Measure COL0 from and R437, if it still S402, when pressed, is fails replace TIKU there a 50µs pulse? D300. Replace TIKU Continue D300 Copyright 2003 Nokia Corporation Page 6-8 Issue 1 (11/2003) Company Confidential...
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J301 lines from X400. If OK when a key is pressed. replace TIKU. Is voltage level ~1.8V? When a key is pressed, do the LED’s illuminate? Illumination Fault Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-9 Company Confidential...
VFLASH1, and Check for activity on Replace TIKU data, address, and WRX D300. lines and the RESX line on power up. OK? Are Display Illumination LEDs Fault illuminating Copyright 2003 Nokia Corporation Page 6-10 Issue 1 (11/2003) Company Confidential...
R426. Is it ~2.2V? solder joints. defective part. Measure voltage on Replace Retest V400 Cathode. Is it N402 ~10.5V? Check V400 and L400. Replace Replace Are they OK? defective part. N400 Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-11 Company Confidential...
Use Phoenix to circuit including read BTEMP. X210, R211 and ~Ambient? C227. OK? Replace defective part. Using Phoenix with the JBV-1 recalibrate battery voltage and charger current and voltage. Copyright 2003 Nokia Corporation Page 6-12 Issue 1 (11/2003) Company Confidential...
C103, C104 and L102 part replace earpiece if replace defective part. necessary. OK? Is the DC bias voltage at R405 Replace and R406 ~1.35V? UEME Copyright 2003 Nokia Corporation Page 6-14 Issue 1 (11/2003) Company Confidential...
Replace mode, check VOUT regulator N102 on N102 is ~1.8V In view finder Replace TIKU mode, check for D300 activity on signal and clock lines. Replace camera module. Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-15 Company Confidential...
N401 Vpu goes to 3.3V. Replace if defective. Is there any activity on D+ and D-? Check R423, R424, R410, R413 and X410. OK? Replace N401. Replace Replace TIKU defective part. Copyright 2003 Nokia Corporation Page 6-16 Issue 1 (11/2003) Company Confidential...
900 & 1800 PA CONTROL Check power control VPCTRL >1.5V max loop components Replace HELGO C564/C565 OK ? OK ? PA & ant. switch Replace faulty troubleshooting component Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-17 Company Confidential...
Check with meter VCO Check VCO loop Check synth serial Helgo control voltage filter components Interface on Helgo Troubleshooting Vc=0V? VCO control Replace faulty Replace voltage>4V components Replace Copyright 2003 Nokia Corporation Page 6-22 Issue 1 (11/2003) Company Confidential...
Check TXA2 Volt drop Troubleshooting Baseband across R906. Troubleshooting DAC=800 V ≈ 80mV Check DC conditions Check components On Hex. around Hex VCCTC=VPLUS= VCCOUT =VCCBIAS =2.8v Replace faulty components Replace Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-23 Company Confidential...
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Faulty (C980)1.3v? component Check VREG=2.8v Check coupler, Check detector isolator & duplexer Change voltage (C960) 0.6v<V<1.5v Replace Check components faulty around detector component circuit OK Replace faulty component Copyright 2003 Nokia Corporation Page 6-24 Issue 1 (11/2003) Company Confidential...
Check with meter VCO Check VCO loop Check synth serial control voltage R802= filter components interface on Rex Troubleshooting Replace faulty Replace VCO control components voltage >4V Replace Copyright 2003 Nokia Corporation Page 6-26 Issue 1 (11/2003) Company Confidential...
Check with meter VCO Check VCO loop Check synth serial control voltage R914= filter components interface on Tex Troubleshooting Replace faulty Replace VCO control components Voltage >4V Replace Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-27 Company Confidential...
Camera supply 2.8V CAMSWITCH 116 R110 Camera switch 1.8V FBUSRX 400 J400 Pin 3 Flash programming data 2.78V digital signal From FPS-8 / PC to phone and phone control Copyright 2003 Nokia Corporation Page 6-28 Issue 1 (11/2003) Company Confidential...
Tx Power Select Rx Cal Filter Balance Cal Tx IQ Tuning Level Tuning Filter Cal Response Cal HELG0 (N600) PA (N550) ANT SW (Z500) VCO (G650) TX SAW (Z650) Copyright 2003 Nokia Corporation Issue 1 (11/2003) Page 6-31 Company Confidential...
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NMM-3 Company Confidential 6-Troubleshooting CCS Technical Documentation This page has been deliberately left blank Copyright 2003 Nokia Corporation Page 6-32 Issue 1 (11/2003) Company Confidential...