Sony Ericsson K850 Troubleshooting Manual
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Also See for K850:
- Working instruction, mechanical (41 pages) ,
- Troubleshooting manual (28 pages) ,
- Test instructions (12 pages)
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Summary of Contents for Sony Ericsson K850
- Page 1 SEMC Troubleshooting Manual K850 Troubleshooting Manual K850 1203-2528 rev. 1 (101)
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Page 2: Table Of Contents
Memory Stick Problems Back Side L - Z Audio Internal Problems This document is Sony Ericsson confi dential and should be treated as confi dential in accordance Audio External Problems FUNCTIONAL OVERVIEW with the agreement with Sony Ericsson. This document is intended for use by authorized service... -
Page 3: Troubleshooting
Note: More additional information about the equipment used for TRS can be found in Repair Tools Catalogue on CSPN or on the following location: CSPN – Repair Instructions – Electrical – K850 – Equipment List. Spectrum Analyzer HP 8595E or similar... - Page 4 SEMC Troubleshooting Manual TROUBLESHOOTING Equipment List K850 Urquell Fault Trace SW with project file RF Test Cable Flexible Location: CSPN-Repair Instructions-Electrical-Trouble Shooting Application Location: CSPN-Repair Instructions-Level: Mechanical-Tool Catalogue Project File: K850Project_R1A Part number: RPM 119 885 Se Picture 4. Drivers...
- Page 5 SEMC Troubleshooting Manual TROUBLESHOOTING Equipment List K850 STEP 1: STEP 4: Take the CST-75 battery charger and cut of the charger according to Picture 6. Connect DCIO and SEPI Interface Cable – A1 cables according to Picture 9. Picture 6 Picture 9 Note: Cable length must be exact 1.3m.
- Page 6 SEMC Troubleshooting Manual TROUBLESHOOTING Equipment List K850 STEP 2: Correct DCIO/SEPI Cable setup without the TRS Fixture. Cut the Red lab plug according to Picture 15 Picture 12 Picture 15 STEP 3: Picture 13 Use any Hands free (PHF) Cable and cut according to Picture 16 Picture 16 Note: Minimum Cable length 40 cm.
- Page 7 SEMC Troubleshooting Manual TROUBLESHOOTING Equipment List K850 STEP 5: Test SIM GSM/UMTS Connect by soldering cable from Picture 15 and cable from Picture 17 according to Picture 18. One Test SIM GSM/UMTS is needed to perform Current Consumption Test, se Picture 21.
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Page 8: On/Off Problems
SEMC Troubleshooting Manual TROUBLESHOOTING On/Off Problems / Flash Problems K850 On/Off problems Flash problems START Step 1: Perform System START Connector Protection Test. Is the phone Go to Flash process Step 2: consuming more than Start-up Phone with Normal SW... -
Page 9: Dead Phone Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Dead Phone Problems K850 Dead Phone problems part 1 Dead Phone problems part 2 START SL 4 Replace S2400 Dead Phone VBT27 Keep S2400 Step 1: Replace N1400, C1409 N1400 not pressed problems Voltage pressed or... -
Page 10: Display Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Display Problems / Display Illumination Problems K850 Display problems Display illumination problems START Step 1: Use TRS Fixture and connect the display and the keypad. Connect VBATT. Use Fault Trace SW If the display is working properly at the... -
Page 11: Led Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Key Problems / LED Problems K850 Key problems LED problems On Red LED START START problems: Replace Replace Step 1: SL 5 Replace More than Use Fault Trace SW Load ITP SW into the phone. V2402... -
Page 12: Vga Camera Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Main Camera Problems / VGA Camera Problems K850 START Main Camera problems VGA Camera problems Load ITP SW into the phone. Use TRS Fixture and Fault Trace SW Connect: Display and Main Camera Module Connect: VBATT and DCIO/SEPI... -
Page 13: Vibrator Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Camera Door Problems / Vibrator Problems K850 Camera Door problems Vibrator problems START START Load ITP SW into the phone Use TRS Fixture. Load ITP SW Fault trace SW Connect: VBATT and DCIO/SEPI into the phone. -
Page 14: Charging Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Charging Problems / USB/VBUS Charging Problems K850 Charging problems USB/VBUS Charging problems START Perform System Connector Protection Test Use TRS Fixture and Load ITP SW into the phone Fault Trace SW Connect: Dummy Battery START Connect: Battery Calibration. -
Page 15: Sim Problems Memory Stick Problems
SEMC Troubleshooting Manual TROUBLESHOOTING SIM Problems / Memory Stick Problems K850 SIM problems Memory Stick problems Load ITP SW START into the phone. Fault trace SW Use TRS Fixture Load ITP SW into the phone. Logic Replace combo Fault trace SW... -
Page 16: With The Agreement With Sony Ericsson. This Document Is Intended For Use By Authorized Service Audio External Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Audio Internal Problems / Audio External Problems K850 Audio Internal problems Audio External problems START START Go to SL 5 Replace Step 1: Perform Fault trace SW L3103,L3104, Audio External Step 1: Perform System Connector Protection... -
Page 17: Bluetooth Problems
SEMC Troubleshooting Manual TROUBLESHOOTING FM Radio Problems / Bluetooth Problems K850 FM Radio problems Bluetooth problems Replace START Load ITP SW START N1400 Into the phone Go to Flash the phone with the Speaker and Use TRS Fixture Change the... -
Page 18: Gsm Network Problems
SEMC Troubleshooting Manual TROUBLESHOOTING GSM Network Problems / WCDMA Network Problems K850 GSM Network problems WCDMA Network problems Connect Mobile Phone Fault Trace SW Load ITP SW Tester TX and RX WCDMA Load the ITP SW into the phone. Instrument Settings:... -
Page 19: Xenon Flash Problems
SEMC Troubleshooting Manual TROUBLESHOOTING Xenon Flash Problems K850 Xenon Flash problems START Disassemble the Fault trace SW Load ITP SW phone Xenon Flash Test into the phone. Use TRS Fixture Led and Backlight Insert Dummy Battery Connect Display and Activate:... -
Page 20: System Connector Protection Test
SEMC Troubleshooting Manual TROUBLESHOOTING System Connector Protection Test / Current Comsumption Test K850 System Connector Protection Test Current Consumption Test Step 1: Perform Diode and Ohm measurements with DMM Connect the black probe at ground (Pin 9 system connector) Insert Local SIM Card and use the phone with the Normal SW (SSW) and dummy battery connected to Power Supply Channel 1 VBATT according to Picture 1. - Page 21 SEMC Troubleshooting Manual TROUBLESHOOTING Current Comsumption Test K850 Transmitter current 850 MHz at Ch: 128 power level 5. Typical 400mA Max TX Power GSM 1800 MHz Transmitter current 900 MHz at Ch: 1 power level 5. Typical 400mA Transmitter current 1800 MHz at Ch: 512 power level 0. Typical 400mA Fault Trace SW settings: Transmitter current 1900 MHz at Ch: 512 power level 0.
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Page 22: Battery & Current Calibration Test
Limiter: 2A. This test should be preformed in 3 steps: If test is performed at the Core Level then use dummy battery according to the K850 Step1: Equipment List for this test. If using TRS Fixture no dummy battery is needed. -
Page 23: Test Charging
SEMC Troubleshooting Manual TROUBLESHOOTING Test Charging / ASIC Revision Test K850 ASIC Revision Test Test Charging To perform this test use: Purpose with this test is to check following items: Phone with the Normal SW (SSW) Dummy Battery connected to Power Supply Channel 1 VBATT... -
Page 24: Reference Measurement Points
SEMC Troubleshooting Manual TROUBLESHOOTING Reference Measurement Points K850 Voltages to N2000 Clocks to N2000 MP PBA GND MP 79 (X2200 Pin 3) MP 31 (TP2200) MP 29 (TP2202) MP 48 (C2242) Power sup 3.80 V MP 85 (C2116) MP 6 (B2101_Pin7) -
Page 25: Test Points
SEMC Troubleshooting Manual MEASUREMENT POINTS Front Side K850 MP 1 Mp 2 MP 3 MP 4 MP 5 MP 6 MP 7 MP 8 MP 9 MP 10 MP 11 MP 12 MP 13 MP 14 MP 15 MP 16... -
Page 26: Back Side
SEMC Troubleshooting Manual MEASUREMENT POINTS Back Side K850 MP 72 MP 73 MP 74 MP 75 MP 76 MP 77 MP 78 MP 79 MP 80 MP 81 MP 82 MP 83 MP 84 MP 85 MP 86 MP 88... -
Page 27: Sim & Memory Card Holder
SEMC Troubleshooting Manual MEASUREMENT POINTS SIM & Memory Card Holder K850 R1000 C1008 R1003 C1007 R1004 C1006 R1002 C1005 C1009 C1115 R1001 C1010 C1001 C1011 C1013 C1012 X1002 X1001 MEMORY CARD SIM CARD MPSIM3 MPSIM2 MPSIM1 MPSIM7 MPSIM5 1203-2528 rev. 1... -
Page 28: Sofi A Top Schematic
SEMC Troubleshooting Manual MEASUREMENT POINTS Sofi a Top Schematic K850 VBATI VDIG VCC_WPA VAUDIO26 VOPTO30 VCAMSA STEPUP50 Access side GPIO mapping VCAMAF VAUDIO26 VCAMSA VDIG VDDE18 STEPUP50 VDDE18 VccA VBT27 VBEAR26 VCAML VCAMIO Port Usage VCAML VCAMIO VCAMAF VOPTO30 VBATI... -
Page 29: Application & System Performance Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Application & System Performance Top K850 APP_LOG DCON VDDE18 VCORE18 VCORE18 SYSCLK2 VDDE18 DCON BT_CLKREQ BT_CLKREQ BT_CLKREQ APP_LOG MCLK MCLK MCLK SYSCLK2 RTCCLK RTCCLK RTCCLK VDD_LP BT_CLK BT_CLK BT_CLK CAMSYSCLK STEPUP50 VAUDIO26 VMC28 VDDE18 VDIG... -
Page 30: System Top
SEMC Troubleshooting Manual MEASUREMENT POINTS System Top K850 VDDE18 BT_CLK BT_CLK VDDE18 BT_CLK CAMSYSCLK CAMSYSCLK CAMSYSCLK RTCCLK RTCCLK RTCCLK VDD_LP MCLKREQ VDD_LP MCLKREQ MCLKREQ VDD_LP BT_CLKREQ DCON BT_CLKREQ BT_CLKREQ DCON DCON BTRESn MCLK BTRESn MCLK MCLK BTRESn FMRESn SERVICEn SERVICEn... -
Page 31: System Control - Clocks & Resets
SEMC Troubleshooting Manual MEASUREMENT POINTS Syste m Control - Clocks & Resets K850 RTCCLK VDDE18 VDDE18 R2121 R2120 R2119 10ohms D2105 0ohms 100Kohms <NM> R2118 0ohms BT_CLK BT_CLK MP 148 R2101 Page 26 100Kohms SN74LVC1G125YZPR 1200-0425 C2121 4.7uF D2000 SP2101... -
Page 32: System Memories
SEMC Troubleshooting Manual MEASUREMENT POINTS System Memories K850 APEMIF_DATA[0:15] SHEMIF_DATA[0:15] SP2127 SP2128 SP2129 SP2130 D2000 APEMIF_ADDRESS[1:26] D2010 D2000 ASTA/ANJA_APP_EMIF MEMORY_NOR_IO_COR D2010 ASTA/ANJA_SH_EMIF Asta/Anja_SYSTEM_LEVEL NOR_flash_IO SHEMIF_ADDRESS[1:15] MEMORY_SDRAM_IO_COR Asta/Anja_SYSTEM_LEVEL APEMIF_DATA[0] APEMIF_ADDRESS[1] APEMIF_ADDRESS[1] APEMIF_DATA[0] AP_D00 AP_A01 F_A0 F_DQ0 NOR_flash_IO SHEMIF_DATA[0] SHEMIF_ADDRESS[1] SH_D00 SH_A01... -
Page 33: Power Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Power Top K850 VCORE18 VBATI Power Memories Power Memories VBATI CAM_LDO_EN VBATI CAM_LDO_EN CAM_LDO_EN VCAMAF VCAMAF VCAMAF VCAMSA VCAMSA VCAMSA VCAMIO VCAMIO VCAMIO VCAML VCAML VCAML VCAMSD VCAMSD VCAMSD Power Camera Power Camera VDDE18 VDDE18... -
Page 34: Power Regulators & Charging
SEMC Troubleshooting Manual MEASUREMENT POINTS Power Regulators & Charging K850 SP2137 VDDE18 Vref for JTAG. Placed close to the rest of the JTAG signals. ST2202 MP 16 Page 25 VMC28 ST2204 VMC28 MP 17 Page 25 VAUDIO26 VAUDIO26 ST2203 MP 11 Page 25... -
Page 35: Power Camera
SEMC Troubleshooting Manual MEASUREMENT POINTS Power Camera K850 VCAMAF MP 32 Page 25 N2206 TP2204 VBATI VCAMSD TP2208 ST2280 VOUT1 VDD1 VOUT2 VDD2 VCAMSA C2281 VBATI 10uF R1170D281B-TR C2293 1000-0367 MP 82 C2280 N2208 33pF 10uF Page 26 <NM> ST2275... -
Page 36: Rev. Date Changes / Comments Power Asics
SEMC Troubleshooting Manual MEASUREMENT POINTS Power ASICs K850 D2000 ASTA/ANJA_GND GND_logic_IO GND_00 GND_01 GND_02 VCORE12 GND_03 GND_04 GND_05 GND_06 GND_07 D2000 GND_08 ASTA/ANJA_1_2_POWER VANA25 D2000 VDD_CORE_logic GND_09 ASTA/ANJA_2_5V_POWER VDDCO_1v2_00 GND_10 VDD_IO_analog VDDCO_1v2_01 GND_11 VDDIO_2V5_1 VDDCO_1v2_02 GND_12 VDDIO_2V5_2 VDDCO_1v2_03 GND_13 VDD_ANALOG... -
Page 37: Power Memories
SEMC Troubleshooting Manual MEASUREMENT POINTS Power Memories K850 VCORE18 VCORE18 D2010 VBATI MEMORY_POWER_COR MEMORY_power F1_VCC1 VSS1 V2231 V2206 1000-0391 F1_VCC2 VSS2 1000-0287 R2231 F2_VCC1 VSS3 1Kohms F2_VCC2 VSS4 VSS5 D_VCC1 VSS6 D_VCC2 VSS7 D_VCC3 VSS8 VSS9 VCCQ1 VSS10 VCCQ2 VSS11... -
Page 38: Connectivity Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity Top K850 VDDE18 VDIG STEPUP50 ONSWAn STEPUP50 ONSWAn ONSWAn VDIG VDDE18 LED_ROW1 LED_ROW1 LED_ROW1 LED_ROW2 LED_ROW2 LED_ROW2 LED_ROW3 LED_ROW3 LED_ROW3 LED_CAMERA LED_CAMERA LED_CAMERA LED_VIDEO LED_VIDEO LED_VIDEO LED_PLAY LED_PLAY LED_PLAY REDLED REDLED REDLED LED_BACK LED_BACK... -
Page 39: Connectivity Adc & I2C
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity ADC & I2C K850 N2000 R2421 R2422 Ericsson AB 3100 4.7Kohms 4.7Kohms OP AND SERVICES GPADC AND AUTOADC TX_ADSTR TXON TX_ADSTR LDOD LD_AD GPA0 LD_AD AID_AD AID_AD GPA1 GPA2 GPA3 TESTOUT TESTOUT GPA4 10bit... -
Page 40: Connectivity Cards
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity Cards VMC28 VDDE18 K850 VDIG R24101 0ohms VDDE18 VDDE18 VDDE18 VDDE18 VDDE18 D2405 R2495 0ohms R2444 R2445 VCCA VCCB R2446 R2447 R2448 C2471 100Kohms 100Kohms 100Kohms 100Kohms 100Kohms 100nF <NM> D2420 MP 103 R2499... -
Page 41: Connectivity Connectivity
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity Connectivity K850 R2473 APP_LOG VAUDIO26 0ohms SERVICEn ACCESS_GPIO03 V2406 VDDE18 VAUDIO26 UNR32A7 V2405 ACCESS_GPIO03 1000-0271 MP 23 VDDE18 Page 25 R2436 R2440 is used as a 560ohms R2437 reference for RID ACCESS_GPIO16 N2400 R2440 4.7Kohms... -
Page 42: Connectivity Keypad
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity Keypad K850 MP 127 1000-0087 ONSWAn Page 26 ONSWAn VDDE18 VDDE18 VDDE18 VDDE18 VDDE18 VDDE18 V2402 Leadfree S2400 C2426 33pF <NM> EVQ058Z5037 KEYFLEX- 1001-0060 CONNECTOR MP 126 X2410 D2000 1200-1735 Page 26 MP 132... -
Page 43: Connectivity Camera Door & Flash
SEMC Troubleshooting Manual MEASUREMENT POINTS Connectivity Camera Door & Flash K850 VMOTOR ( CLOSE=1 ) R2522 18Kohms D2420 GPIO_P3_BIDIR VBATI R2523 1Kohms MAX7327 V2513 1200-1951 VMOTOR BC847BV MP 59 1000-0392 VMOTOR Page 25 High Current Path 300mA R2520 D2420 18Kohms C2500 2.2uF... -
Page 44: Access Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Access Top K850 WPAVCC WPAVCC VCC_WPA VccA VDDE18 VBATI VBATI VDDE18 VccA N2000 VCC_WPA Ericsson AB 3100 OP AND SERVICES TX_VGA TX_VGA DAC_CLK DACO_0 DAC_STR DACO_1 BIAS_CTRL BIAS_CTRL DAC_DAT DACO_2 MCLKREQ DACO_3 D2000 AB3100 ASTA/ANJA_ACCESS... -
Page 45: Access - Gsm & Umts
SEMC Troubleshooting Manual MEASUREMENT POINTS Access - GSM & UMTS K850 MP 73 MP 72 N1200 Page 26 Page 26 X1200 R1201 L1200 THOR/THOR2_MODULE 2.4nH 0ohms ANTSW0 ANTSW0 ANTSTRIP C_TERM R_TERM ANTSW0 ANTSW1 ANTSW1 WCDMA1900 ANTSW1 ANTSW2 ANTSW2 WCDMA2100 ANTSW2... -
Page 46: Access - Bluetooth
SEMC Troubleshooting Manual MEASUREMENT POINTS Access - Bluetooth K850 N1400 BLUETOOTH-FM_IO BT_SYSCON BT_RSTn BT_REG_CTRL BTRESn BT_REF_CLK_IN BT_CLK BT_RTCCLK RTCCLK BT_CLKREQ BT_CLKREQ_IN1 BT_CLKREQ_OUT1 BT_CLKREQ BT_CLKREQ_IN2 BT_CLKREQ_OUT2 D2000 ACCESS_GPIO12 ACCESS_GPIO12 D2000 ST1406 BT_WAKEUP HOST_WAKEUP/SPI_INT BT_SPI_INT ACCESS_GPIO12 ACCESS_GPIO21 ACCESS_GPIO21 ST1400 BT_SPI_DO ACCESS_GPIO21 UART_&_SPI-INTERFACE... -
Page 47: Imaging Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Imaging Top K850 VCAMSD VCAML VDDE18 VDIG VCAMIO VCAMSA VCAMAF VCAMAF VCAMSA VCAMIO VDIG VDDE18 VCAML VCAMSD CAM_LDO_EN CAM_LDO_EN CAM_LDO_EN I2CCLK1 I2CCLK1 I2CCLK1 I2CDAT1 I2CDAT1 I2CDAT1 CAMSYSCLK CAMSYSCLK FLASH_STROBE CAMSYSCLK FLASH_STROBE Camera Camera VAUDIO26 VOPTO30... -
Page 48: Imaging Display
SEMC Troubleshooting Manual MEASUREMENT POINTS Imaging Display K850 MP 4 VDDE18 VAUDIO26 Page 25 ST4201 X4200 0402 Size LCD- ST4200 LIGHT SENSOR CONNECTOR VOPTO30 0402 Size VDD(2.65V) MP 52 MP 5 C4213 C4214 N4200 OPTOSENSE VDD(2.65V) Page 25 OPTOSENSE Page 25... -
Page 49: Imaging Camera
SEMC Troubleshooting Manual MEASUREMENT POINTS Imaging Camera K850 SP4300 QCIFRESn VCAMIO VCAMSA D2000 X4300 1200-2111 ASTA/ANJA_CAMERA Asta/Anja_IMAGING CI_PCLK CI_PCLK CI_RESn CI_HSYNC CI_HSYNC HSYNC C4328 C4329 CI_VSYNC VSYNC CI_VSYNC D2420 100nF 100nF CI_D0 CI_D0 CIF_STANDBY CI_D1 GPIO_O0_OUTPUT CI_D1 PWDN CI_D2 CI_D2... -
Page 50: Imaging Lmu
SEMC Troubleshooting Manual MEASUREMENT POINTS Imaging LMU K850 VBATI MP 18 Ground directly to main C4101 ground plane in one point. Page 25 10uF STEPUP50 TP4112 22uF = 2*10uF C4103 10uF ST4101 ST4102 Strap Strap ST4103 STEPUP50_out C4102 Strap L4105... -
Page 51: Audio Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Audio Top K850 VBEAR26 VAUDIO26 VBATI VBATI VAUDIO26 VBEAR26 MICN/AUXinR MICN/AUXinR MICP/AUXinL MICP/AUXinL VDDE18 VBATI VBATI VDDE18 Audio Analog Audio Analog FM_ANTENNA FM_ANTENNA FMRESn FMRESn RTCCLK RTCCLK I2CDAT1 I2CDAT1 I2CCLK1 I2CCLK1 FM Radio FM Radio... -
Page 52: Audio Analog
SEMC Troubleshooting Manual MEASUREMENT POINTS Audio Analog K850 VBATI Should be able to access VBATI between C3106 and N3100 C3106 10uF MP 138 MP 139 Speaker Page 26 Page 26 R3106 R3102 MP 74 10Kohms SPEAKER_P 4.7Kohms N3100 MP 19... -
Page 53: Audio Digital
SEMC Troubleshooting Manual MEASUREMENT POINTS Audio Digital K850 N2000 SP3204 SP3205 SP3208 SP3209 Ericsson AB 3100 CODEC IF App_I2S1_CLK SCK1 D2000 App_I2S1_WS SDO1 ASTA/ANJA_APP_I2S_PCM App_I2S1_DATA_A SDI1 Asta/Anja_AUDIO App_I2S0_CLK I2S0CLK_PCM0CLK SCK2 App_I2S0_WS I2S0WS_PCM0SYN SDO2 R3200 0ohms App_I2S0_DATA_A I2S0DLD_PCM0DLD SDI2 I2S0ULD_PCM0ULD AB3100... -
Page 54: Fm Radio
SEMC Troubleshooting Manual MEASUREMENT POINTS FM Radio K850 VDDE18 N1400 BLUETOOTH-FM_FM C3306 100pF FM_ANTENNA FM_RADIO_IO Signal routed in outer layer FM_FMIP L3300 and no groundplane underneath 270nH FM_ROUT FM_RFGND FM_LOUT FMRESn FM_RST FMRESn FM_SENB FM_SCL I2CCLK1 FM_SDA I2CDAT1 FM_RTCCLK RTCCLK... -
Page 55: Test
SEMC Troubleshooting Manual MEASUREMENT POINTS Test K850 SP5106 SP5107 SP5101 SP5102 SP5103 SP5104 SP5105 D2000 ASTA/ANJA_JTAG Asta/Anja_TEST JTAG_EMULATION_IF RTCK TRSTn TEMU0n TEMU1n R5101 100Kohms ASTA/ANJA 1200-0795 D2000 R5100 10Kohms ASTA/ANJA_UNUSED Asta/Anja_NOT_USED EFUSE_HV4 UNUSED TEMU1n low enables JTAG. D2000 ASTA/ANJA ASTA/ANJA_ETM... -
Page 56: Thor Rf Module Top
SEMC Troubleshooting Manual MEASUREMENT POINTS Thor RF Module Top K850 MCLKREQ RADSTR1 ANTSTRIP RADDAT WCDMA2100 RADCLK WCDMA1900 AMP_LSB_FREQ_LSB WCDMA850 AMP_LSB_FREQ_LSB WCDMA850 RADCLK WCDMA1900 RADDAT WBCLK WBCLK WCDMA2100 RADSTR1 ANTSW0 ANTSTRIP MCLKREQ TESTOUT ANTSW0 GSMRX1900_1 TESTOUT GSMRX1900_1 GSMRX1900_1 GSMRX1900_2 QDATA_AMP_MSB ANTSW1... -
Page 57: Thor Rf Module Gsm/Edge Tx + Fem
SEMC Troubleshooting Manual MEASUREMENT POINTS Thor RF Module GSM/EDGE Tx + FEM K850 600MHz GSMRX900_1 L1000 ANTSW0 Z1000 ANTSW0 SAWQuadBAND GSMRX900_2 C1000 EGSM-RX 22pF EGSM-RX WCDMA850 GSM850/EGSM-TX L1002 600MHz WCDMA850 ANTSW2 ANTSW2 WCDMA1900 WCDMA1900 C1003 CTRL-1 WCDMA2100 WCDMA2100 22pF CTRL-3... -
Page 58: Thor Rf Module Gsm/Edge Rx + Synth
SEMC Troubleshooting Manual MEASUREMENT POINTS Thor RF Module GSM/EDGE Rx + Synth K850 GSMRX1900_1 VRADA_2V75 R1100 0ohms C1101 22pF GSMRX1900_2 C1116 QDATA_AMP_MSB C1117 L1100 N1001 3.9nH 22pF 10nF Ericsson C1102 22pF IDATA_FREQ_MSB Rx1900p VccA GSMRX1800_1 C1105 22pF Rx1900n DataA L1101... -
Page 59: Component Overview
SEMC Troubleshooting Manual COMPONENT OVERVIEW Front Side B - X K850 X4200 X2410 TP4112 TP2203 C4343 ST4204 C4342 C2224 C2107 TP4106 C4341 ST2407 N2201 C4340 ST2203 ST2215 ST2204 C2400 C4339 TP3100 C2209 C4325 L3105 SP5110 SP5119 C3154 C4330 SP5114 SP5120... -
Page 60: Back Side C - E
SEMC Troubleshooting Manual COMPONENT OVERVIEW Back Side C - E K850 ST2280 E1000 C2281 N2503 R2513 C2505 N2208 C2509 N2500 C2504 R2511 R2500 R2290 R2512 N2206 N2203 D2460 R4304 X4301 R2510 R2524 N2525 R3109 D4300 V2500 C2502 SP2410 C3117 X1203... -
Page 61: Back Side L - Z
SEMC Troubleshooting Manual COMPONENT OVERVIEW Back Side L - Z K850 ST2280 E1000 C2281 N2503 R2513 C2505 N2208 C2509 N2500 C2504 R2511 R2500 R2290 R2512 N2206 N2203 D2460 R4304 X4301 R2510 R2524 N2525 R3109 D4300 V2500 C2502 SP2410 C3117 X1203... -
Page 62: Functional Overview
The analog baseband controller is controlled by an I2C™ interface. It also comprises the main power management circuits, equipped with a number of converters and regulators for Hardware Overview generating the required supply voltages. The K850 is using the U360 platform provided by Ericsson Mobile Platform (EMP) 1203-2528 rev. 1 (101) - Page 63 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 Functional Blocks of the Analog Baseband Controller. Connection Diagram 1203-2528 rev. 1 (101)
- Page 64 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 Charger Control Resistance Identification and Temperature Measurement The resistance identification mode utilizes the constant current source to feed the battery data A programmable charger is used for battery charging. output while monitoring the voltage at the battery data node with general purpose ADC. The Limits can be set for the output voltage at CHSENSE- and the output current from DCIO conversion is started through I2C.
- Page 65 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 CODEC Block Schematic CODEC CCO Voltage Source There is an internal voltage source CCO that provides the necessary drive current for electret microphones. The voltage source is I²C programmable to 2.2 V or 2.4 V. The source can be disabled during standby.
- Page 66 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 Digital Baseband Controller (CPU) Functional blocks of the Digital Baseband Controller D2000 (Anja) This component is not replaceable on SL 4 because Baseband calibration is required. The Digital Baseband Controller is divided in two subsystems:...
- Page 67 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 Radio Modules RF System Control The access subsystem of the digital baseband controller controls the overall radio system. In GSM/GPRS/EDGE Radio Module both EDGE/GSM/GPRS and WCDMA air interface mode, the digital baseband controller controls N1200 (Thor) the radio system through a 3-wire serial bus.
- Page 68 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 Block diagram of the GSM/EDGE Transceiver TX Frequency, Channel and Power Level Range: GSM 850: Frequency Range: 824,2 MHZ – 848,8 MHZ Channel Range: 128 – 251 Power Level: Min: 19 – Max 5 GSM 900: Frequency Range: 890,2 MHZ –...
- Page 69 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 WCDMA Radio Module WCDMA Transceiver Block Diagram N1210 (Mammoth) In WCDMA the differential transmit outputs from the WCDMA transceiver are filtered by an external SAW filter. The SAW filter cleans up the spectrum and also provides a single ended drive signal to the power amplifier.
- Page 70 SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Technical Description K850 The front-end zero IF I and Q outputs are applied to the integrated low-pass channel filter. The filter is self-calibrated with a cut-off frequency around 2.15 MHz. The filter may be configured in...
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Page 71: Block Diagram Access
SEMC Troubleshooting Manual SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Block Diagram Access K850 K850 N1210 MAMMOTH MODULE WCDMA BAND I, II, V VccA VCC1 VCC2 Lock Detect VDDE18 FLASH_VPP Bias 1Gbit NOR + SDRAM VBATi RX PGC D2000 ANJA DIGITAL BASEBAND CONTROLLER... -
Page 72: Block Diagram Application
SEMC Troubleshooting Manual SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Block Diagram Application K850 K850 VDDE18 D2420 D2010 GPIO EXPANDER NOR Flash 1Gbit-< CAMSYSCLK SDRAM 256 Mbit VDIG VDDE18 I2C2 DISPLAY LED_LCD VCORE18 LCD_VDDE VGA CAMERA LCD_VDIG GPIO_RST VBOOST Sensor Array STDBY... -
Page 73: Power Distribution & Clocking Concept
SEMC Troubleshooting Manual FUNCTIONAL OVERVIEW Power Distribution & Clocking Concept K850 Power Distribution Clocking Concept 32 kHz SYSCLKREQ WCDMA GSM PA DC/DC Flash WCDMA PA xxRAM xxRAM NAND card AB 3100 WCDMA PA SERCON UART WCDMA PA EMIF EMIF NAND... -
Page 74: Appendix
SEMC Troubleshooting Manual APPENDIX Replaceable Parts K850 Part List Main Board Contains only components that are possible to replace on the main board. Pos. number refers to the components position number on the board. Some components are noted as MSL X. These components are moisture-sensitive and are rated at... -
Page 75: Components B2101 - D2000
SEMC Troubleshooting Manual APPENDIX Components B2101 - D2000 K850 B2101 Oscillator XO 32.768 kHz LC 1200-3231 D2000 ASIC Baseband Anja 1200-0795 EMU_MODE_ EMIF1_SDCK EMIF2_SDCA EMIF2_SDBS EMIF2_SDBS EMU_MODE_ VDDCO_1V2 EMIF1_BE1n ETM_PSTAT1 ETM_TPKT7 VDDCO_1V2 ETM_TPKT0 VDDCO_1V2 VDDIO_1V8 EMIF2_A02 EMIF2_A03 EMIF2_A04 EMIF2_A07 VDDCO_1V2... -
Page 76: Components D2010 - D2105 - D2404
SEMC Troubleshooting Manual SEMC Electrical Repair Manual APPENDIX Components D2010 - D2105 - D2404 K850 K850 D2010 Memory MCP 1 Gbit+0 kbit 0, Hz 0, V 1200-1356 D2105 IC Single Bus Buffer Gate 1200-0425 Signal names Logic diagram y l l... -
Page 77: Components D2420 - D2460
SEMC Troubleshooting Manual APPENDIX Components D2420 - D2460 K850 D2420 IC IF 3.5x3.5x0.8 Thin QFN 1200-1951 D2460 Leveltranslator RYT109932/3 (TOP VIEW) TERMINAL ASSIGNMENTS TOP VIEW DAT2A CMD-dir DAT0-dir DAT2B DAT3A DAT3B INPUT CONTROL PORTS CLKA CLKB FILTER DAT0A CMDA CMDB... -
Page 78: Components L2200 - L2401-04 - N1200
SEMC Troubleshooting Manual APPENDIX Components L2200 - L2401-04 - N1200 K850 L2200 Inductor WW 4.7uH +/-20% 1201-2245 N1200 GSM/GPRS/EDGE Radio Module Thor Pins / Signal cross-reference: 0.116 ±0.003 2,95 ±0,076 Pin_name Signal name AMP_LSB_FREQ_LSB ANTSTRIP Winding 0.116 ±0.003 ANTSW0 2,95 ±0,076... -
Page 79: Components N1210 - N1400
SEMC Troubleshooting Manual APPENDIX Components N1210 - N1400 K850 N1210 WCDMA Module Radio Mammoth N1400 Combo Module Bluetooth, FM Radio STLC2592 1200-6182 BLOCK DIAGRAM AND ELECTRICAL SCHEMATIC BT_GPIO [5:0] ARM7TDMI CPU Wrapper BT_LP_CLK JTAG RECEIVER DEMOD BT_HOST_WAKEUP/ BT_RFP BT_SPI _INT... -
Page 80: Components N2000 - N2201
SEMC Troubleshooting Manual APPENDIX Components N2000 - N2201 K850 N2000 ASIC Vera ROP1013106/1 N2201 IC Voltage Regulator 150mA LDO RYT113955/7 Block Diagram Pin Configuration Diagram LED2_N DACO DACO IREF LED5_N TXON GPA4 GPA0 XTAL1 BDATA VDD_ VREF VBAT_M SPARE2 VSS_... -
Page 81: Components N2202 - N2203
SEMC Troubleshooting Manual APPENDIX Components N2202 - N2203 K850 N2202 IC Voltage Regulator MAX8640, 1.8V 1200-6420 N2203 IC Voltage Regulator 1200-0110 Pin assignment in TFBGA 3x3 mm - 16 bumps 0.5 mm pitch Pin Configurations PGND VLX1 VLX2 VOUT1 VOUT1... -
Page 82: Components N2205 - N2208
SEMC Troubleshooting Manual APPENDIX Components N2205 - N2208 K850 N2205 IC Voltage Regulator 1200-0107 N2208 IC Voltage Regulator RYT113997/4 Connection Diagrams Pin Descriptions Power Supply Voltage Input to the internal PFET switch. Analog Supply Input. Enable Input. Set this digital input high for normal operation. For shutdown, set this pin low. -
Page 83: Components N2400 - N2402 - N2500
SEMC Troubleshooting Manual APPENDIX Components N2400 - N2402 - N2500 K850 N2400 1-Bit Level Translator RYT109914/1 N2402 IC ESD Protection UDFN 6 2x2mm 1200-6309 INPUT OUTPUT PIN CONNECTIONS (2 out pins in UDFN packag FLAG Thermal Shutdown FLAGV Soft Start... -
Page 84: Components N2525 - N3100 - N3101
SEMC Troubleshooting Manual APPENDIX Components N2525 - N3100 - N3101 K850 N2525 ASIC 3-axis Accelerometer 1200-1223 N3100 OPAMP 1W Pb-Free RYT101947/2 Block Diagram PIN CONNECTIONS Microbump-9 CHARGE MARKING AMPLIFIER SCL/SPC DIAGRAMS OUTA SDA/SDO/SDI CONTROL LOGIC CONVERTER Microbump-9 FC SUFFIX YYWW... -
Page 85: Components N4101 - N4200
SEMC Troubleshooting Manual APPENDIX Components N4101 - N4200 K850 N4101 IC Dri MAX8830 ES3 4x4 UCSP 1200-1922 N4200 Light Sensor RKZ433938/1 Simplified block diagram Pin configuration (Top View, Bump Side down) OUTPUT INPUT 2.2μH to 3.8V to 5.2V 10 μH 2.7V to 5.5V... -
Page 86: Components S2400 - S2402 - S2403
SEMC Troubleshooting Manual APPENDIX Components S2400 - S2402 - S2403 - V2202 - V2402 - V2405 K850 S2400, S2402, S2403 Side Push Switch 1200-2079 V2202 Transistor P-channel FET RYN122910/1 G1 D2 MicroFET V2402 Diode Schottky 0,0 RKZ3236025/2 V2405 MOSFET Complementary N P 20 V (D S) RYN901918/2 SC−88 (SOT−363) -
Page 87: Components V2420-21 - V2425 - V2428
SEMC Troubleshooting Manual APPENDIX Components V2420-21 - V2425 - V2428 - V2477-78 - V2500 K850 V2420, V2421 Zener Diode Voltage Regulator 15V 5% RKZ223905/2 V2477, V2478 Diode Protection 5.0V SOD-523 1201-0304 MARKING DIAGRAM PINNING DESCRIPTION B5 M cathode Top view... -
Page 88: Components X1200 - X1201-03 - X2200
SEMC Troubleshooting Manual APPENDIX Components X1200 - X1201-03 - X2200 K850 X1200 Connector, RF Test RPT79947 X2200 Battery Connector SND10622 X1201, X1202, X1203 Antenna Connector SND90161 1203-2528 rev. 1 (101) -
Page 89: Components X2409 - X4300 - X2410
SEMC Troubleshooting Manual APPENDIX Components X2409 - X4300 - X2410 - X2511 - X3105 K850 X2409, X4300, X2410, X2511 Connector BtB 22, 22, 40, 30 pin X3105 Microphone Connector 1200-2112 Part numbers X2409 22-pin RNV799045/22 X4300 22-pin RNV799045/22 X2410 40-pin 1200-1735 X2511 30-pin 1200-1733 1203-2528 rev. -
Page 90: Components X4301
SEMC Troubleshooting Manual APPENDIX Components X4301 - Camera Module 5 MPixel - VGA Camera K850 X4301 30 Pin BtB, male (Camera) RNV79992 Camera Module 5 MPixel 1200-1425 VGA Camera 1200-2184 1203-2528 rev. 1 (101) -
Page 91: Xenon Flash Assembly
SEMC Troubleshooting Manual APPENDIX Xenon Flash Assembly - Display K850 Xenon Flash Assembly 1200-1426 Display 1200-1603 1203-2528 rev. 1 (101) -
Page 92: Keyboard Schematics
SEMC Troubleshooting Manual APPENDIX Keyboard Schematics K850 Keyboard matrix S1000 S1001 S1002 S1004 Green Floor plan KEYBOARD- button CONNECTOR Keypad Keypad Keypad Keypad X1000 KEYOUT0 Soft Soft Left Right S1010 S1012 S1013 S1014 X1000 Back button Keypad Keypad Keypad Keypad Int./... -
Page 93: Troubleshooting Software Documentation
ITP SW. Using this software you can control most parts and functions of all Sony Ericsson mobile phones. It is a Note: There are some differences in the user interface depending on the phone project file loaded. - Page 94 SEMC Troubleshooting Manual APPENDIX Troubleshooting Software Documentation K850 Equipment Setup Power Supply Channel 2 DCIO/SEPI Cable Connection Setup Note: The Power Supply Channel 1 (VBATT) must allow reverse current. Note: During calibration the accurate voltage from VBATT must be within ±0.015 V. If this is not Note: The maximal cable length between the Power Supply Channel 1 VBATT and the dummy battery fulfilled it will cause a faulty calibration.
- Page 95 SEMC Troubleshooting Manual APPENDIX Troubleshooting Software Documentation K850 GSM Radio Settings System Requirements Note: Before start using the Troubleshooting Software, the phone must be flashed with ITP SW. Used for Channel and Power Level control of the selected GSM Band. The TX and RX frequency value for selected band and channel will be presented in the TX and RX frequency box.
- Page 96 SEMC Troubleshooting Manual APPENDIX Troubleshooting Software Documentation K850 Fast select channels VCXO Control Set High Channel: The High Channel for selected WCDMA Band will be set by the Troubleshooting SW. Used to fine tune the VCXO to MCLK frequency by calibrating the DAC that sets the VCXO control voltage.
- Page 97 OFF is used to switch off the currently used Audio Loop. Examples of different Audio Loop Test setups in Fault Trace SW. Picture 9 Picture 10 K850 Project FM Radio Setup K800 Project FM Radio Setup Logic – Tab K800 Project Setup...
- Page 98 SEMC Troubleshooting Manual APPENDIX Troubleshooting Software Documentation K850 Current Calibration Memory stick test checks the communication with the Memory stick card. The test result (Passed or Failed) will be displayed in the info box. The Current Calibration test is similar to the Current Test for the charging algorithm in the factory Note: A Memory stick card must be inserted and a Memory card reader connected to run this test.
- Page 99 SEMC Troubleshooting Manual APPENDIX Troubleshooting Software Documentation K850 Camera Door Test Fault Trace SW Error Messages Vibrator Test Keyboard Scan Test ...timeout when reading Etc. Check the following items: Note: When one test has been deactivated the phone will be restarted.
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Page 100: Troubleshooting Fixture Setup Guide
SEMC Troubleshooting Manual APPENDIX Troubleshooting Fixture Setup Instructions K850 Troubleshooting Fixture Setup Instructions Insert Memory Card if needed according to picture 10. Front side overview of the TRS Fixture, see Connect Power Supply Channel 1 VBATT picture 1. (Black and Red plugs) according to picture 4. - Page 101 SEMC Troubleshooting Manual APPENDIX Troubleshooting Fixture Setup Instructions K850 Connect FM Radio Cable if needed according to The GND pin on the front side of the TRS picture 13. Fixture can be used as MP TRS Fixture GND or as grounding for the oscilloscope probe, Picture 13 see picture 16.