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NPL-1 6 - Troubleshooting PAMS Technical Documentation Phone is dead Yes L260 towards SIM connector, VBAT = 3.6 VDC No Failure in VBAT line, check: X101, X102 No Check: L261,L262,L263, C261,C262,C265 No Check: S300, PWB No Check: B200,C209,C210, D200,PWB No Check: D200, PWB No Check: D200,C295,PWB Yes L261 towards C261, L262 towards C262, L265 towards C265 voltage = 3.6 VDC Yes Pin 2 and 4 on S300 = 0 VDC when powerkey pressed Yes Sleep clock on J404 ~32.768 Hz, 1.8 Vpp Yes PURX = 1.
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NPL-1 6 - Troubleshooting PAMS Technical Documentation Flash programming Flash programming doesn’t work If fault information from Prommer is: Phone doesn’t set FBUS_TX line low Yes Check the connections: X100 p11 - R101 X100 p12 - R104 X100 p13 - R100 Connection ok? No Solder / replace faulty component Yes Try reading MCU ID with Phenix Reading ok? No Replace either UEM or UPP Yes Try reading Flash ID with Phenix reading ok? No Replace Flash Yes Flash again 3RZHU GRHVQ©W VWD\ RQ RU SKRQH LV MD
NPL-1 6 - Troubleshooting PAMS Technical Documentation Power doesn’t stay on or phone is jammed Yes Sleep clock on J404 ~32.768 Hz, 1.8 Vpp No Check: B200,C209,C210, D200,PWB No Check: D200,PWB No Check: D400,D450,Z300, Keymat, Lightguide,PWB Yes PURX = 1.8 VDC on J402 or (V130 Bluetooth module) pin44 ~1 sec.
NPL-1 6 - Troubleshooting PAMS Technical Documentation 6,0 , 2 &RQWURO ORRS WHVW 6,0 /RFN WHVW 300 )ODVK 9DOLGLW\ WHVW 300 )ODVK &KHFNVXP WHVW ,I DOO WKHVH VHOIWHVWV DUH SDVVHG WKH SKRQH ZLOO VWDUW XS )URP 3KRHQL[ LW LV SRVVLEOH WR UXQ DOO WKH VHOIWHVW DQG WKH DGGLWLRQDO 5XQWLPH WHVW 7KH WHVW FDVHV FDQ EH VHHQ EHORZ 3DJH 1RNLD &RUSRUDWLRQ ,VVXH $SULO
NPL-1 6 - Troubleshooting PAMS Technical Documentation 7KH SKRQH GRHVQ©W UHJLVWHU WR WKH QHWZRUN RU SKRQH GRHVQ©W PDNH D FDOO ,I WKH SKRQH GRHVQ W UHJLVWHU WR WKH QHWZRUN WKH IDXOW FDQ EH LQ HLWKHU %% RU 5) 'XH WR WKH KLJKO\ PRGXOH GHVLJQ RI WKH %% DUHD YHU\ IHZ VLJQDOV FDQ EH PHDVXUHG Phone doesn’t register to network or phone doesn’t make a call Yes C292 towards D200 (UEM) ~4.75 VDC C294 towards R308 ~2.78 VDC C295 towards UEM ~2.78 VDC C296 towards V310 ~2.78 VDC C297 towards UEM ~2.
NPL-1 6 - Troubleshooting PAMS Technical Documentation 7KH HUURU §6,0 FDUG UHMHFWHG§ PHDQV WKDW WKH $75 PHVVDJH UHFHLYHG IURP 6,0 FDUG LV FRU UXSWHG H J GDWD VLJQDO OHYHOV DUH ZURQJ 7KH ILUVW GDWD LV DOZD\V $75 DQG LW LV VHQW IURP FDUG WR SKRQH SIM Fault Measure VSIM at X386. Is it 3V? No Check SIM reader X386 Measure VSIM at C302.
NPL-1 6 - Troubleshooting PAMS Technical Documentation 'LVSOD\ )DLOXUH Display Fault Is display working No Change display module Yes Is display working No Yes Measure Vflash1 is 2,78V No Turn phone off and ohm measure between Vflash1 and ground. 0 ohm ~46k ohm Yes Check C239, C279, C304, C309, C350 R174, R202 and R352. OK UEM FAILURE Measure Vio is 1,8V No Turn phone off and ohm measure between Vio and ground. ~510k ohm Yes 0R Check C207, C218, C303, C404, C405, C450, C451 and R173.
NPL-1 6 - Troubleshooting PAMS Technical Documentation .
NPL-1 6 - Troubleshooting PAMS Technical Documentation 9ROXPH NH\ IDLOXUH Keypad fault 2 Volume UP key OK? No Yes Check S301 with Ohmmeter S301 short? No Replace S301 If still fail Yes Replace Z300 If still fail-> UPP failure Volume DOWN key OK? Yes No Check S302 with Ohmmeter S302 short? No Replace S302 If still fail Yes Replace Z300 If still fail-> UPP failure Keypad fault 3 ,VVXH $SULO 1RNLD &RUSRUDWLRQ 3DJH
NPL-1 6 - Troubleshooting PAMS Technical Documentation .H\ERDUG IDLOXUH Keypad fault 3 Keyboard OK? No Replace light guide OK now? Yes No Replace Z300 if still fail -> UPP failure Yes END END /(' )DXOWV /(' IDLO 9 9 GULYHU WUDQVLVWRUV GHIHFW
NPL-1 6 - Troubleshooting PAMS Technical Documentation Audio faults 1RWH / GRHV QRW H[LVW Earpiece doesn’t work and there isn’t any mechanical problem Microphone doesn’t work and there isn’t any mechanical problem Replace Microphone Replace Earpiece Ok Ok (bias) = 2.1V R150 towards UEM Ok Check L158, R171 (and Check R171 (and C150 and R156 for Shortcircuit) No UEM FAILURE (D200) Yes R151 towards miclines (bias) = 1.01.
NPL-1 6 - Troubleshooting PAMS Technical Documentation Headset earpiece doesn’t work and there isn’t any mechanical problem With headset connected, measure C177 and C178 towards UEM - DC level 0.8V. Press keypad tone 5 and measure with oscilloscope. An AC signal pressents. Not OK UEM FAILURE OK Measure C158 towards N150 with an oscilloscope. Same AC signal present (higher level). Not OK BOOMER FAILURE OK Measure R179 towards UPP - DC level > 1.
NPL-1 6 - Troubleshooting PAMS Technical Documentation &KDUJHU IDLOXUH Phone is off - battery is completely empty (~3.1 VDC) and no current is drawn from charger when connected Yes VCHAR > 2.1 VDC on L100 towards C107 No Check: F100, L100, V101, C107 No Check: F100, L100, V101, C107 No Check: X101, R202,R240,C240 No Check: X102,R202,R220, C220 No Check: R200, D200 No Check: D200, PWB Yes D200 UEM is faulty Phone is on or off - battery has norminal voltage 3.
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NPL-1 6 - Troubleshooting PAMS Technical Documentation No BT air connection Antenna open circuit No V130 bad soldering No Replace module V130 Yes Faulty PWB No BT audio connection J143 USARTTx = 1,8V Data No V130 bad soldering No Replace module V130 No V130 bad soldering No Replace module V130 Yes J144 USARTRx = 1,8V Data Yes Faulty PWB ,VVXH $SULO 1RNLD &RUSRUDWLRQ 3DJH
NPL-1 6 - Troubleshooting PAMS Technical Documentation RF Fail The problem is most likely RF related if the following conditions are fulfilled. • Module can be flashed and BER Test can be initiated. • BER is above limit or no connection to BT-Box Not OK Visual soldering inspection Re-solder 2. Measure SYSCLK (V130 P50) 0.3 ... 0.8Vpp Reference: 11pF probe. Note: The measured result can depend very much on the probe type. Tip: If nessesary, measure a known good prototype with the same probe.
