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RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation 7RS /HYHO )ORZFKDUW TOP Yes Phone totally dead Phone is dead No Flash programming does not work Yes Flash faults No Phone does not start up or the phone is jammed no Yes Phone is jammed No Yes Charging does not work Charger No Yes Phone does not read SIM card SIM card No TOP 2 3DJH 1RNLD &RUSRUDWLRQ ,VVXH 0D\
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting TOP 2 Yes IrDA No Function IrDA Part No Yes Audio Doesn’t work Audio Part No Yes UI Doesn’t work no UI Part No Yes Hall Sensor no Function Hall Sensor no Function No END ,VVXH 0D\ 1RNLD &RUSRUDWLRQ 3DJH
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation 3KRQH LV 'HDG Phone is dead yes Check X103 solder and BATT line Phone current is zero? no yes Phone current is <50mA yes Is phone flash programing OK? Phone is jammed no no Flash faults no Phone current is ~54mA yes Is phone in LOCAL MODE? no Check BSI line: C100,R202,R206, C240 yes Change UEM yes no Change components Retest 3DJH 1RNLD &RUSRUDWLRQ ,VVXH 0D\
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting )ODVK )DXOWV Flash faults Yes The phone does not set Flashbus TXD line high after startup. No Yes Measure BSI pulse No during Flash Programming. Is it OK? Check BSI line. X103,C100,R202, C240,R206 Yes Measure FBUSTX line during flash programming. Is it No 1.8V.(testpoint J411) Yes The phone does not set the flashbus TXD line low after the startup.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation Memory faults page 2 "Secondary receive Yes fail" or "Algorithm send failed" message? Change UPP No Yes Wrong manufacturer ID and device ID Change Memory Chip according to Phoenix messages If both chips report wrong ID’s -> change UPP No Yes "Flash informs about a failure" during flashing Change Memory Chip according to Phoenix messages If both chips report wrong ID’s -> change UPP No Retest 3DJH
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting 3KRQH LV -DPPHG Phone is jammed Measure VIO, VCORE,VFlash1,VANA and VR3 voltages. Are they OK? No No No Measure SleepClk from B200. Is it OK? Check L260-L265, C260-C265,BSI line and BATT line. Check BSI/BTEMP lines,If OK, UEM regulators are not working,change UEM. Yes Yes Measure 32.768KHz sleep clock form J404. Is it OK? Check VBATT1-6,VIO, VCORE,VFlash1,VANA VR3 lines.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation Jammed page2 Phone shutdown after 30sec Measure watchdog signal CBUSDA from testpoint J407.Is it OK? (about 60ns Burst) Yes No Change UPP No no Measure DBUSClk 13MHz signal form testpoint J413. Is it OK? No Yes Read Phone Info. Is it OK? yes Yes Re-test No Measure FBUSRX No during phone info read from testpoint J412. Is it OK? Yes Measure FBUSTX during phone info read from testpoint J411.
Company Confidential RH-4 BB Description & Troubleshooting CCS Technical Documentation 3KRQH GRHV QRW &KDUJH Not charging NMP approved charger? no Connect NMP approved charger and retest yes Do EM-calibration with phoenix and JBV-1 (see EM-calibration chapter) Charging works? yes Retest no Read BSI, BTEMP, Vbatt, Vchar and Ichar by Phoenix (see ADCreading chapter) BSI value is OK? no Check BL-5C, BSI, X103, R106, R202, R206, C240 and lines yes BTEMP value is OK? (0319 @25°C) no Check R202,
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation 6,0 &DUG (UURU SIM card Yes Insert SIM card faults? No Set phone LOCAL MODE. Is it OK? No Check BSI line, X103, C100, R202, C240, R206. If ok change UEM. Yes Check X387 Measure VSIM voltage from X387. Is it 3V? No Check VSIM line, X387, C390, C203. If ok change R388. If still wrong VSIM voltage change UEM Yes Check SIM power Up sequency. Is it OK? No Check SIM lines. If OK change R388.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting $XGLR )DXOWV +3 HDUSLHFH IDLOXUH Audio Faults No Is HP earpeice working Yes Try change earpiece. Is it working now? Yes Retest No Set phone in LOCAL mode. Use Phoenix Audio Test. Set EXT IN, HP out, LOOP ON Measure DC offet voltagefrom earpiece pads. Is it ~1.38V to GND? Audio Faults 2 Measure MICB2 voltage from XMICP pads. Is it ~2.2V? Check L150, R151,C179,C180 and line. If OK change UEM.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation Earpiece 2 Connect EXT audio signal 1kHz (Sine 200m Vpp) to XMICP pads and Ground on XMICN Measure sine signal from earpiece pads. Is it ~320m Vpp? No M easure sine signal at UEM(R172) is it ~200m Vpp? Yes Change UEM Yes No Check R169, R162, C170, C166, C174, C173 and lines.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting +3 PLFURSKRQH IDLOXUH Audio Faults 2 Is HP Microphone working No Try change Microphone. Is it working now? Yes Retest No Yes Set phone in LOCAL mode. Use Phoenix Audio Test. Set HP IN, EXT out, LOOP ON Measure MICB1 DC voltage from MICP pads. Is it >1.0VDC? No Check R160, C152,C175,C183,R156,R 155,L153,C154 and line. If OK change UEM.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation ([WHUQDO HDUSLHFH IDLOXUH Audio Faults 3 Change UEM Yes No Is Ext ear working? Set Phoenix LOCAL m ode. Select Maintenace -> audio test. Set EXt in IHF/ EXT out O N. M easure DC volts on speaker pins of connector. Are they ~0.8VDC to GND? Yes No No Is Ext-m ic working Check L103, RC109, C111, R105,C157,C156,C 181,C182, X101,lines. If OK change UEM Set Phoenix LOCAL m ode. Select Maintenace -> audio test.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting ,+) VSHDNHU IDLOXUH Audio Faults 4 Is IHF speaker working Try change speaker. Is it working now? No Yes Set Phoenix LOCAL m ode. Select Maintance >audio test. Set Ext in IHF/Ext out ON. No Yes M easure DC volts on speaker pads.Are they ~0.5VBat to G ND? No Yes M easure Shutdown voltage on R168. Is it ~1.8V Yes End ,VVXH 0D\ Check C164,C165,L151, L152, C177, C178, Vbat.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation $FFHVVRU\ GHWHFWLRQ WURXEOHVKRRWLQJ Headset Not working Test Headset with another good phone, working? No Change headset No Check R102, R109, and L106 and R103.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting ,U'$ IDLOXUH IR test Check IR window and Retest yes IR check by phoenix no 2.
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CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting 8, PRGXOH GLVSOD\ Display faults Does the display start? No Try to change UI-m odule. Is the display working now? Yes Retest failing UI-m odule No Yes Check X302 (solder joints). Is it OK? No Change X302 Yes Measure VDD (2.7V) and VDDI (1.8V). Are they OK? No Check X302 and lines again. If OK, change UEM No Check X302 and lines again. If OK, change UPP No Check X302, R308,R309 and lines.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation 8, PRGXOH DQG WRXFKSDG PRGXOH /(' TouchPad_LED Are the display LEDs working? No Change UI Module. Are the LEDs working now? Yes Retest failing UI Module No Change X302 No Check X302 (solder joints). Is it OK? Yes Measure VLED+ and VLED-. VLED+ = ~7.2V and VLED- = ~0.5V when LED driver (N300) is enabled.
Company Confidential RH-4 BB Description & Troubleshooting CCS Technical Documentation 7RXFKSDG PRGXOH 7RXFKSDG Touchpad faults Is the touchpad working? No Change TP Module. Is the touchpad working now? Yes Retest failing TP Module No Change X305 No Check X305 (solder joints). Is it OK? Yes Yes Measue Voltage of X+, X-. Y+ and Y-. VX+ & VX- = ~2.8V VY+ & VY- = ~ 0 V Check N306, L320, L321, L322, L323, R330, C330, C331, C332, and C333.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation 3RZHU NH\ DQG VLGH NH\V Start Is the power key working? No Measure voltage from S302. Is it HIGH? No Check R306,C310,S30 2 and line. If OK, change UEM Yes Measure voltage from S302 when Yes pressed. Is it HIGH? Yes Check S302. Is it OK? Yes Phone is dead No No Change S302 Phone is jammed Is the volume UP key working? No Measure ROW0 line from S300. Is it ~1.8V? No Check S300 and line. If OK, change Z300.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting 7RXFKSDG PRGXOH 6RIWNH\V Continue Are the TP Module keys working? No Change TP Module. Are the keys working now? Yes Retest failing TP Module No Change X305 No Check X305 (solder joints). Is it OK? Yes Measure ROW0 and ROW1 lines from X305. Are voltage level ~ 1.8V? No Yes Measure SLEEPXsignal fom testpoint J403 when key is pressed. Is voltage level ~ 1.8V? No Check lines ROW0 and ROW1 from X305.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation $ FRYHU DVVHPEO\ NH\ERDUG Continue Are the Flip keys working? No Change A-Cover Assy. Are the keys working now? Yes Retest failing A-Cover Assy. No Change X307 No Change defect part No Check X307 (solder joints). Is it OK? Yes Check L303 - l309 (solder joints). Are they OK? Yes Measure ROW2, ROW3 and ROW4 lines from X307. Are voltage level ~ 1.
CCS Technical Documentation Company Confidential RH-4 BB Description & Troubleshooting $ FRYHU DVVHPEO\ /(' Start Are the Flip LEDs working? No Change A-Cover Assy. Are the LEDs working now? Yes Retest failing A-Cover Assy. No Change X307 No Change L301 and L302 No Check X307 (solder joints). Is it OK? Yes Yes Check L301 and L302. Is it OK? Yes Measure Voltage of LED+ LED+ = ~3.2V when LED driver (V303) is enabled. Is it OK? No Check V303, V329, R307, and R305.
RH-4 Company Confidential BB Description & Troubleshooting CCS Technical Documentation +DOO VHQVRU QR IDLOXUH Hall sensor failure Change A-Cover. Is it OK Yes Retest No Check Engine with JIG Yes Change N301 No Check N301 is properly soldered Yes Measure ~2.78V in N301 pin 1. No Check R311 and VFlash1 Yes Pin 3 should be down when magnet is not above the component. ~1.
