LG U890 Service Manual Download

Page: 80 / 192

4. TROUBLE SHOOTING

- 81 -

4.5.4. Checking PAM Block

PAM control signal

PA_ON : WCDMA Tx Power Detect IC(HDET) Enable

TX_AGC_ADJ : WCDMA Tx Power Amp Gain Control

PA_ON must be HIGH(over 2.5V)

PA_FET_N must be LOW if the max Tx power is set (lower than 0.5V)

PAM IN/OUT Signal

PAM OUT must be over 16dBm

PAM IN must be over -5dBm

PA_ON

TX_AGC_ADJ

PAM_IN

PAM_OUT

Summary of Contents for U890

Page 1: ...Date April 2006 Issue 1 0 Service Manual Model U890 U890c Service Manual U890 U890c ...

Page 2: ... 5 Checking WCDMA Block 77 4 6 Checking GSM Block 84 4 7 Bluetooth RF Block 92 4 8 Power ON Trouble 95 4 9 USB Trouble 97 4 10 SIM Detect Trouble 98 4 11 Key Sense Trouble 99 4 12 Camera Trouble 100 4 13 Main LCD Trouble 101 4 14 EL Sheet Trouble 103 4 15 Folder ON OFF Trouble 104 4 16 Camera Direction Detection Trouble 105 4 17 Trans Flash Trouble 106 4 18 Audio Trouble Shooting 107 4 19 Charger ...

Page 3: ... 4 ...

Page 4: ...ible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not done C Changes...

Page 5: ...ipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system board they should sp...

Page 6: ...th 800mAh Over 220 min GSM Tx Max Voice Stand by Time Over 260 Hrs WCDMA DRX 1 28 with 800mAh Over 290 Hrs GSM Paging period 9 Antenna Internal type LCD Main 176 X 220 pixel TFT sub 96 X 96 pixel TFT LCD Backlight White LED Back Light 2way main sub common Camera 1 3 Mega pixel CMOS Vibrator Yes Coin Type LED Indicator No MIC Yes Receiver Yes Earphone Jack Yes 12 pin Connectivity Bluetooth USB Volu...

Page 7: ...rage Temp 20 70 C Humidity 85 Max Reference Spec Min Typ Max Unit TA Power Available power 100 220 240 Vac No Item GSM DCS PCS 100k 1GHz 39dBm 9k 1GHz 39dBm MS allocated 1G A MHz 33dBm Channel 1G 12 75GHz 33dBm A M B MHz 39dBm Conducted B M 12 75GHz 33dBm 1 Spurious 100k 880MHz 60dBm 100k 880MHz 60dBm Emission 880M 915MHz 62dBm 880M 915MHz 62dBm Idle Mode 915M 1GHz 60dBm 915M 1GHz 60dBm 1G A MHz 5...

Page 8: ...r 0 1ppm 0 1ppm 4 Phase Error 5 RMS 5 RMS 20 PEAK 20 PEAK 3dB below reference sensitivity 3dB below reference sensitivity Frequency Error RA250 200Hz RA250 250Hz 5 Under Multipath and HT100 100Hz HT100 250Hz Interference Condition TU50 100Hz TU50 150Hz TU3 150Hz TU1 5 200Hz 0 100kHz 0 5dB 0 100kHz 0 5dB 200kHz 30dB 200kHz 30dB 250kHz 33dB 250kHz 33dB Due to 400kHz 60dB 400kHz 60dB Output RF modula...

Page 9: ...al Power control Power Tolerance Power control Power Tolerance Level dBm dB Level dBm dB 5 33 3 0 30 3 6 31 3 1 28 3 7 29 3 2 26 3 8 27 3 3 24 3 9 25 3 4 22 3 10 23 3 5 20 3 8 Transmitter Output Power 11 21 3 6 18 3 12 19 3 7 16 3 13 17 3 8 14 3 14 15 3 9 12 4 15 13 3 10 10 4 16 11 5 11 8 4 17 9 5 12 6 4 18 7 5 13 4 4 19 5 5 14 2 5 15 0 5 9 Burst timing Mask IN Mask IN ...

Page 10: ...Output Power 50dBm 3 84MHz Qin Qout PCCH quality levels 6 Out of synchronization handling of output power Toff DPCCH Ior 22 28dB Ton DPCCH Ior 24 18dB 7 Transmit OFF Power 56dBm 3 84MHz 8 Transmit ON OFF Time Mask 25us PRACH CPCH uplinlk compressed mode 25us 9 Change of TFC Power varies according to the data rate DTX DPCH off minimize interference between UE 10 Power setting in uplink compressed 3...

Page 11: ...MHz Interferer 40dBc 16 Error Vector Magnitude EVM 17 5 20dBm 12 2K 1DPDCH 1DPCCH 17 Transmit OFF Power 15dB SF 4 768Kbps Multi code transmission No Item GSM DCS PCS 1 Sensitivity TCH FS Class II 105dBm 105dBm 2 Co Channel Rejection C Ic 7dB Storage 30 85 TCH FS Class II RBER TU high FH 3 Adjacent Channel 200kHz C Ia1 12dB C Ia1 12dB Rejection 400kHz C Ia2 44dB C Ia2 44dB Wanted Signal 98dBm Wante...

Page 12: ... UE 20dBm output power Class3 44dBm 3 84MHz f 2050 2095 and 2185 2230MHz UE 20dBm output power Class3 30dBm 3 84MHz f 2025 2050 and 5 Out band Blocking 2230 2255MHz UE 20dBm output power Class3 15dBm 3 84MHz f 1 2025 and 2255 12500MHz UE 20dBm output power Class3 6 Spurious Response 44dBm CW UE 20dBm output power Class3 46dBm CW 10MHz 7 Intermodulation Characteristic 46dBm 3 84MHz 20MHz UE 20dBm o...

Page 13: ...0 03V Bar 1 Empty 3 49 0 03V Low Voltage 3 49 0 03V Stand by 3 49 0 03V Talk Warning message Blinking Interval 3min Stand by 1min Talk Power Off 3 20 0 03V Stand by Voice Call VT WCDMA Under 4 0 mA Under 355 mA Under 480mA DRX 1 28 Tx 12dBm Tx 12dBm Under 3 6 mA Paging 9period Under 285 mA GSM Under 5 3 mA Tx Max Bluetooth Connected Paging 9period Level Change WCDMA GSM BAR 4 3 91 2 dBm 90 2 dBm B...

Page 14: ...Under 47 dBPA Max Under 36 dBPA 7 Sending Loudness Rating SLR 8 3 dB 8 Receiving Loudness Rating RLR Nor 1 3 dB Max 12 3 dB 9 Side Tone Masking Rating STMR Min 25 dB 10 Echo Loss EL Min 40 dB 11 Idle Noise Sending INS Max 55 dBm0p 12 Idle Noise Receiving INR Nor Under 45 dBPA Max Under 40 dBPA TDMA Noise GSM Power Level 5 DCS PCS Power Level 0 17 Cell Power 90 105 dBm Acoustic Max Vol MS Headset S...

Page 15: ...ltage Maximum Charging Voltage 4 2 V Maximum Charging Current 600 mA Normal Battery Capacity 1000 mAh Charging Time Max 3 5 hours except for trickle charging time Full charging indication current charging icon stop current 60 mA Cut off voltage 3 20 V 2 PERFORMANCE 16 ...

Page 16: ... to eliminate intermediate frequencies directly converting signals between RF and baseband The EGSM DCS1800 and PCS1900 transmitters use a baseband to IF upconversion followed by an offset phase locked loop that translates the GMSK modulated signal to RF 1 QUALCOMM s branded chipset that implements a Zero IF radio architecture 3 TECHNICAL BRIEF U890 high level RF functional block diagram ...

Page 17: ...in the RTR6250 IC PLL and distribution functions with exception of the off chip loop filter The RTR analog baseband outputs are routed to the MSM6250A IC for further processing an interface shared with the RFR UMTS receive paths The UMTS transmit path begins with analog baseband signals from the MSM device that drive the RTR6250 IC Integrated PLL and VCO circuits generate the Tx LO used in the qua...

Page 18: ...taining the handset supply voltages using low dropout programmable regulators The device s general housekeeping functions include an ADC and analog multiplexer circuit for monitoring on chip voltage sources charging status and current flow as well as user defined off chip variables such as temperature RF output power and battery ID Various oscillator clock and counter circuits support IC and highe...

Page 19: ...used to separate Rx and Tx signals in place of frequency duplexers this is accomplished in the switch module The EGSM DCS and PCS receive signals are routed to the RTR6250 through band selection filters and matching networks that transform single ended 50 Ω sources to differential impedances optimized for gain and noise figure Similar to the RFR the RTR input uses a differential configuration to i...

Page 20: ...3 TECHNICAL BRIEF 21 ...

Page 21: ...downconversion mixer are formed as follows 1 The dual Tx VCO output operating in the desired RF output frequency range is buffered within the RTR6250 IC then applied to the mixer RF port 2 The LO Generation and Distribution circuits that deliver the transmit path s LO for the baseband to IF upconversion also provides the offset LO signal that is applied to the feedback path s mixer LO port The mix...

Page 22: ...r given the VCO output level the subsequent passive devices losses and the control set point The maximum and minimum transmitter output power levels depend upon the operating band class and mobile station class per the applicable standard Transmitter timing requirements and inband and out of band emissions all dominated by the PA are also specified by the applicable standard The active dual Tx VCO...

Page 23: ...50 IC includes LO generation and distribution circuitry to reduce offchip component requirements The GPS RX LO source is created using the PLL control elements of the RTR6250 PLL2 via a discrete loop filter components in tandem with the VCO in the RFR6250 Using only this PLL signal the RFR6250 LO generation and distribution circuits create the necessary LO signals for the UMTS quadrature down conv...

Page 24: ...e filtered and applied to the PA The PA device used in U890 is Load Insensitive PA no need to use isolator and routed to the duplexer Tx port directly Transmit power is delivered from the duplexer to the antenna through the switch module The RTR6250 IC integrates LO generation and distribution circuits on chip substantially reducing off chip requirements Various modes and programmable features res...

Page 25: ...nal UHF_VCO_EN enables the VCO The RFR6250 IC accommodates single ended or differential LO inputs if singleended either pin can be active AC couple the inactive pin to ground using an appropriately valued capacitor 12 pF is used in U890 The 27 pF capacitor should be used to AC couple the active pin to the VCO signal Using only the selected VCO signal the RFR6250 IC LO generation and distribution c...

Page 26: ... error signal at the output of the charge pump This error signal is filtered by the loop filter and applied to the VCO tuning the output frequency such that the error is decreased Ultimately the loop forces the error to approach zero and the PLL is phase and frequency locked Many key PLL performance characteristics are largely determined by the loop filter design stability transitory response sett...

Page 27: ...frequency duplexer is not required The module includes lowpass filters for the GSM bands transmit paths to reduce out of band emissions PA harmonics in particular The GSM mode RF filters are located before their LNAs so their insertion losses are extremely critical 1 5 dB typical Other important parameters are Out of band rejection or attenuation levels Far out of band signals ranging from DC up t...

Page 28: ... ripple the loss of this fairly narrowband device is not flat across its passband Passband ripple increases the receive or transmit insertion loss at specific frequencies creating performance variations across the band s channels and should be controlled Return loss minimize mismatch losses with typical return losses of 10 dB or more VSWR 2 1 Power handling high power levels in the transmit path m...

Page 29: ...ccomplished by setting the voltage on the low current reference pin to zero volts No external supply side switch is needed as typical off leakage is a few microamperes with full primary voltage supplied from the battery An isolator between the Power Amplifier and the duplexer is highly recommended to provide constant load and source impedances respectively to those devices This improves PA stabili...

Page 30: ...transmitter power level The U890 uses National Semiconductor LMV225TLX power detector IC In Figure 3 5 5 1 R1 is set to 1 8kΩ resulting in an attenuation of 31 4dB The output voltage is proportional to the logarithm of the input power Figure3 5 5 2 shows the output voltage versus PA output power of the LMV225TLX setup as depicted in Figure3 5 5 1 Figure 3 5 5 1 Block diagram of LMV225TLX with high...

Page 31: ...As die the Silicon Si die and the passive components are mounted on a multi layer laminate substrate The assembly is encapsulated with plastic overmold RF input and output ports of the SKY77328 are internally matched to a 50 Ω load to reduce the number of external components for a quad band design Extremely low leakage current 2 5 µA typical of the dual PA module maximizes handset standby time The...

Page 32: ... pF AC couples the feedback signal into the RTR6250 IC 3 5 8 UMTS Rx RF filter FL100 An RF filter is located between the UMTS LNA and mixer Insertion loss is important but not as critical as losses before the LNA The most important parameters of this component include Out of band rejection or attenuation levels usually specified to meet these conditions Far out of band signals ranging from DC up t...

Page 33: ...alog control signal into the VCTCXO tuning port whose voltage is directly proportional to the density of the digital bit stream The MSM device varies the pulse density to change the analog control voltage that sets the oscillator frequency all within a feedback control loop that minimizes handset frequency drift relative to the network 3 5 10 Bluetooth U502 LBDA254AN0 TP500 ALA931C5F1 The MSM6250A...

Page 34: ...tegrated USIM Controller for direct interface to USIM card Software controlled power management feature Automatic access conversion of 32 bit data accesses to 16 bit devices Advanced 409 ball CSP packaging WCDMA Access Maximum of eight simultaneous transport channels Four coded composite transport channels CCTrCH PS data rates supporting 384kbps DL 64kbps UL GSM GPRS Access GSM GPRS network signal...

Page 35: ...and PA BLUETOOTH Receptacle Receptacle 1 3M CAMERA EAR JACK 12pin MIC RFR6250 RTR6250 ASM SP7T Trans Flash CARD USIM GSM Quad TX VCO UMTS PA WCDMA RX WCDMA TX GSM 900 1800 1900 RX FILTER GSM RX GSM TX UMTS TX FILTER D U P L E X E R UMTS RX FILTER SPEAKER RECEIVER SPEAKER Figure Simplified Block Diagram ...

Page 36: ... HK ADC PLL 19 2M Tx Rx I F Tx Rx I Q UMTS SBI for RF IC USB I F UART General Purpose I O J TAG I F CODEC Stereo Speaker Receiver MIC VOCODER USIM Controller GSM GPRS ARM Processor NAND SDRAM SBI for PM6650 Figure Simplified Block Diagram of MSM6250A ...

Page 37: ... SCH and Traffic Channel information It extracts packet data from the downlink traffic channel and prepares the packet data for processing For the up link the CDMA subsystem processes the packet data and modulates the up link traffic channel DCH 3 8 3 GSM Subsystem The GSM Subsystem performs the digital GSM signal processing 3 8 4 RF Interface The RF interface communicates with the mobile station ...

Page 38: ...ation filters The MSM6250A device s integrated ARM7TDMI processor downloads the firmware into the QDSP4000 and configures QDSP4000 to support the desired functionality 3 8 8 HKADC TheMSM6250A device has an on chip 8 bit analog to digital converter ADC which is intended to digitize DC signals corresponding to analog parameters such as battery voltage temperature and RF power levels The MSM6250A dev...

Page 39: ...s supported burst NOR burst PSRAM Synchronous DRAM memories supported Byte addressable memory supporting 8 bit 16 bit and 32 bit accesses Pseudo SRAM PSRAM memory support EBI2 Features Support for asynchronous FLASH and SRAM 16bit 8bit Interface support for byte addressable 16bit devices UB_N LB_N signals 2Mbytes of memory per chip select Support for 8 bit wide NAND flash Support for parallel LCD ...

Page 40: ... _GPIO 80 H14 TRK_LO_ADJ H15 TRST_N H16 RTCK H17 PA_RANGE 0 _GP_PDM 1 H10 TX_VCO_1_EN_N_GPIO 7 H12 GRFC 10 _TX_ON G21 BT_TX_RN_N_GPIO 21 G23 BT_CLK_GPIO 25 F15 TMS F16 TDO F18 TCXO_EN_GPIO 94 F23 BT_SBST_GPIO 24 D9 GSM_PA_BAND_GPIO 5 E25 BT_SBDT_GPIO 22 E26 BT_SBCK_GPIO 23 F10 UHF_BAND_SEL_GPIO 6 D26 BT_DATA_GPIO 20 D11 TX_VCO_0_EN_N_GPIO 8 D15 TDI D16 TCK B19 PA_ON 0 B4 ANT_SEL2_N_GPIO 11 B8 UHF_...

Page 41: ...mp TRK_LO_ADJ TCXO 19 2M Control PA_ON WCDMA TX Power Amp Enable ANT_SEL 0 2 Ant Switch Module Mode Selection WCDMA GSM Tx Rx DCS Tx Rx GSM_PA_RAMP Power Amp Gain Control of APC_IC GSM_PA_EN Power Amp Gain Control Enable of APC_IC GSM_TX_VCO_0_EN_N GSM Band Tx VCO Enable of Dual VCO GSM_TX_VCO_1_EN_N DCS Band Tx VCO Enable of Dual VCO 3 TECHNICAL BRIEF 42 ...

Page 42: ...eset USIM_Data USIM Data T Rx 3 10 2 2 UART Interface UART signals are connected to MSM GPIO through IO connector with 115 200 bps speed And used for RF calibration and Data download MSM6250A PM6650 2 USIM USIM CLK USIM Reset USIM Data USIM Data USIM Reset USIM CLK VREG_USIM 2 85V Figure SIM Interface GPIO_Map Name Note GPIO_96 RX_M Data_Rx GPIO_95 TX_M Data_Tx Table UART Interface ...

Page 43: ...B Signal Interface Figure SIM Interface PM6650 2_USB Block Figure Schematic of USB block MSM6250 Side PM6650 Side TP206 TP211 TP207 TP204 TP205 TP209 N19 USB_SE0_VMI2C_SCL N21 USB_DAT_VP_I2C_SDA N25 USB_OE_TP_N M19 UART3_DP_TX_DATA_GPIO 84 PM_SBCK L21 UART3_DP_RX_DATA_GPIO 85 PM_SBST UART3_CTS_N_GPIO 86 PM_SBDT L23 K21 SBCK L13 MMC_CMD_GPIO 30 J21 I2C_SDA_GPIO 26 J23 SBDT H26 SBST J19 I2C_SCL_GPIO...

Page 44: ... The MSM6250A device has six analog input pins which are multiplexed to the input of the internal HKADC Figure MSM6250A HKADC Block diagram Table HKADC channel table ADC Ch Signal Name Note HKADC0 AMUX_OUT RF PAM Temperature sensing HKADC1 VBATT_LEVEL Battery voltage level sensing HKADC2 HDET1 RF WCDMA PAM Power Level sensing HKADC3 MULTI_ADC Headset type Detection HKADC4 PCB REVISION MAIN PCB Rev...

Page 45: ...ltages needed to power the appropriate handset electronics It monitors and controls the power sources detecting which sources are applied verifying that they are within acceptable operational limits and coordinates battery and coin cell recharging while maintaining the handset electronics supply voltages Eight programmable output voltages are generated using low dropout voltage regulators all deri...

Page 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram ...

Page 47: ...or additional accuracy or to capture variations over time this voltage is routed internally to the housekeeping ADC via the analog multiplexer PM6650 2 circuits monitor voltages at VCHARGER and ICHARGE pins to determine which supply should be used and when to switch between the two supplies These pins are connected to the Source or emitter and Drain or collector contacts of the pass transistor res...

Page 48: ...is provided by the PM6650 IC The trickle charger is on chip programmable current source that supplies current from VDD to pin VBAT Trickle charging can be used for lithium ion and nickel based batteries with its performance specified below 3 2V The charging current is set to 80mA Parameter Min Typ Max Unit Trickle Current 60 80 100 mA ...

Page 49: ...age reaches a target voltage 4 2V The end of constant voltage charging is commonly detected 10 of the full charging current 60mA Charging Method CC CV Constant Current Constant Voltage Maximum Charging Voltage 4 2V Maximum Charging Current 600mA Nominal Battery Capacity 1000 mAh Charger Voltage 4 6V Charging time Max 3 5h Except time trickle charging Full charge indication current icon stop curren...

Page 50: ...2 ROW4 HOT4 0 HOT5 DN BACK UP RIGHT HOT5 4 KEY 2 HOT4 MENU OK 1 3 SEARCH 8 SND 9 LEFT 6 0 BACK DN 5 CLR 7 6 5 UP LEFT HOT3 0 HOT4 8 9 7 4 3 MENU BACK SEARCH SND OK RIGHT 10K R608 RA600 2 4 6 8 1 3 5 7 10K DN CLR HOT2 HOT1 HOT5 2 1 KEY_ROW 1 KEY_ROW 2 KEY_ROW 3 KEY_ROW 4 KEY_ROW 0 VREG_MSMP_2 7V KEY_COL 3 KEY_COL 4 KEY_COL 0 KEY_COL 1 KEY_COL 2 Figure Keypad Circuit 100 R602 PRSB6 8C D601 D608 PRSB...

Page 51: ... 0 1u C511 VA500 EVLC18S02015 VA504 EVLC18S02015 INSTPAR FB505 PSD05 LF D607 20 21 22 23 24 3 4 5 6 7 8 9 G1 G2 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 CN501 2 2K R500 VA501 EVLC18S02015 VREG_CAM_1 8V VREG_CAM_2 7V VREG_MSMP_2 7V I2C_SCL I2C_SDA CAM_P_DOWN CAM_DATA 7 CAM_DATA 6 CAM_MCLK CAM_DATA 4 CAM_DATA 0 CAM_DATA 5 CAM_DATA 1 CAM_DATA 3 CAM_DATA 2 CAM_VSYNC CAM_PCLK CAM_RESET_N CAM_HSYNC Figur...

Page 52: ...in Board in camera module Horizontal Sync O CAM_HSYNC 20 Camera Analog I O Power I VREG_CAM_2 6V 19 Camera reset signal I CAM_RESET_N 18 I2C Clock I I2C_SCL 17 Camera Analog I O Power I VREG_CAM_2 7V 15 GND GND GND 16 I2C command I O I2C_SDA 21 Data O CAM_DATA 6 22 Data O CAM_DATA 7 23 GND GND GND 24 Master Clock 24M I CAM_MCLK 3 Data O CAM_DATA 3 4 Data O CAM_DATA 0 5 Clock for Camera Data Out O ...

Page 53: ...close to the hall effect switch the voltage at pin1 of U600 goes to 0V Otherwise 2 7V This folder signal is delivered to MSM6250A GPIO80 3 TECHNICAL BRIEF 54 FOLDER_SENSE 100K R604 0 1u C603 U600 A3212EELLT T G1 G2 OUT VDD 62 R600 FOLDER_DETECT VREG_MSMP_2 7V Figure Schematic of Folder ON OFF detection circuit ...

Page 54: ... 3 10 7 Camera Direction Detection CAM_SENSE detects the Camera Direction front or back CAM_HALL_IC 10p C513 R503 62 R504 100K GND OUT VCC MRSS32W_L U501 0 1u C512 CAM_SENSE VREG_MSMP_2 7V Figure Camera Direction Detection ...

Page 55: ...3 10 8 Keypad Light There is EL Sheet on Top side in board backlight circuit which is driven by EL_OUT line from EL Driver IC Key Pad backlight controlled by PM6650 3 TECHNICAL BRIEF 56 Figure EL Sheet ...

Page 56: ... SPK Vibrator MAIN LCD SUB LCD Back Light LOUD SPK note one Driver IC control both Main and Sub LCD Figure LCD Module Main Sub LCD MAIN LCD MODULE 260K Color TFT 176 220 Pixel SUB LCD MODULE 65K Color TFT 260K Color support 96 96 Pixel HD66784 RENESAS Graphic Controller Driver Main Sub LCD Panel ...

Page 57: ...LCD Back light control 7 DATA 2 32 MOTOR_PWR MOTOR control 8 DATA 3 33 RCV Receiver 9 DATA 4 34 RCV Receiver 10 DATA 5 35 GND 11 DATA 6 36 DATA 15 12 DATA 7 37 DATA 14 13 LCD MAKER ID 38 DATA 13 14 GND 39 DATA 12 15 VPWR Vibrator Power 40 DATA 11 16 GND 41 DATA 10 17 KEY_COL 6 MOD KEY 42 DATA 9 18 WLED_PWR LCD Back light power 43 DATA 8 19 WLED_PWR LCD Back light power 44 OE_N Read_Enable 20 GND 4...

Page 58: ...Sound 3 10 11 1 Overview of Audio Sound path MSM6250A U201 Stereo Speaker MIC Head_set MIC Receiver Head_Set SUB b d Conn Head Set Jack LCD Conn LCD Module LCD Conn LCD Module Head Set Jack SUB b d Conn Figure Audio Sound Path Block Diagram ...

Page 59: ...th amplifies the signal from DBB chip MSM6250A and outputs it to Receiver or Speaker The receive path can be directed to either one of two earphone amplifiers or the auxiliary output The outputs earphone1 EAR1OP EAR1ON and Auxiliary out AUXOP AUXON are differential outputs Earphone2 EAR2O is a single ended output stage designed to drive a headset speaker The microphone interface consists of two di...

Page 60: ...C1P MICFBN MICFBP MICOUTN GND_RET MICBIAS DAUGHTER_HEADSET FB902 C932 47p R903 10K C931 47p V V 33p C912 C916 10p EVLC14S02050 VA900 33u C911 33u C907 10u C913 33p C914 2 2K R907 R905 2 2K VA902 EVLC14S02050 10p 10p C915 C917 6 7 8 9 1 10 11 12 13 14 15 16 17 18 2 3 4 5 CN901 C 1827541 D901 MSMF05C P VREG_MSMP_2 7V MICBIAS MULTI_ADC HP_OUT_L HOOK_SENSE_N HP_OUT_R EAR_SENSE_N MIC2N MIC2P FB901 C223...

Page 61: ...523 C531 10p C529 22n C528 22n C530 33p MICBIAS MIC1N MIC1P Audio AMP C539 0 1u 20K R516 C536 22n BYPASS B3 GND IN A1 IN C1 SD_MODE B2 C2 SD_SEL B1 VDD A3 VO1 C3 VO2 LM4898ITLX NOPB U504 A2 R517 20K 22n C537 C540 82p C538 1u 100K R512 C535 82p R521 100K R513 0 100K R520 AMP_PWR VREG_5V M_SPK SPK_AMP_EN M_SPK AMP_PWR SPK_N SPK_P Speaker ...

Page 62: ...4 D26 BT_DATA_GPIO 20 D12 MMC_CLK_GPIO 31 D20 CAMIF_DATA 9 _GPIO 61 B22 CAMIF_DATA 6 _GPIO 58 B23 CAMIF_DATA 3 _GPIO 55 C26 CAMIF_DSP_CLK_GPIO 19 AD26 GSM_PA_PWR_CTL_REF A22 CAMIF_DATA 8 _GPIO 60 A23 CAMIF_DATA 4 _GPIO 56 A24 CAMIF_VSYNC_GPIO 16 TP210 KEY_COL 6 USB_SE0 USB_OE_N I2C_SCL CAM_SENSE MMC_CMD MMC_DATA MMC_CLK CAM_VSYNC CAM_DATA 2 CAM_DATA 6 I2C_SDA GSM_PA_PWR_CTL_REF CAM_DATA 5 CAM_DATA...

Page 63: ...0K TFT Sub 65K TFT 1 3M Pixel CMOS VGA Camera 20 14 pi Stereo speaker Stereo Head_set Video telephony in WCDMA with camera Loud Speaker phone in GSM and WCDMA 64 Poly Sound MP3 AAC WMA decoder and play MPEG4 encoder decoder and play save JPEG en decoder Support Bluetooth USB 99 5 X 49 8 X 17 5 mm 800 mAh Li Poly 3 TECHNICAL BRIEF 64 ...

Page 64: ...3 TECHNICAL BRIEF 65 3 12 Main Component 3 12 1 LG U890 Main Components LCD Folder Assy MAIN Bottom Side MAIN Top Side SUB Top Side SUB Bottom Side U890 1 3M Camera Module Stereo Headset ...

Page 65: ...de key CN601 Key Sense control signal ROW Pull Up Resistor RA600 Diode for On Sw detection D600 D602 Folder close Flip detection IC U600 LCD Backlight power charge pump U601 LCD 2 8V LDO U400 Description Reference Description Reference CN600 U600 RA600 U400 U601 D600 D602 CN601 EL Sheet ...

Page 66: ...verter for buffering U402 50pin connector for LCD Module CN602 EL Driver IC U602 High freq Noise filtering EMI filter FL600 24pin camera connector CN501 Camera direction detection IC U501 Camera Dual LDO 2 7V 1 8V U500 Description Reference Description Reference U501 CN501 U500 U401 U300 U602 X400 U402 Q403 Q404 U403 Q400 CN502 FL600 CN602 CN500 U505 U201 X200 TR100 X100 J300 Q401 Q402 U503 CN503 ...

Page 67: ...ng control Q401 19 2MHz Main Crystal X100 TR for USB charging control Q400 6pin SIM connector J300 TVS for USB signal U403 48MHz Crystal for USB X200 N P MOS FET for WCDMA PAM power control Q403 Q404 Description Reference Description Reference U501 CN501 U500 U401 U300 U602 X400 U402 Q403 Q404 U403 Q400 CN502 FL600 CN602 CN500 U505 U201 X200 TR100 X100 J300 Q401 Q402 U503 CN503 U504 ...

Page 68: ...UB Top Side S900 U901 D901 CN901 BAT900 24pin connector for MAIN PCB CN902 TVS for audio signal D901 Back Up battery BAT900 TVS for Trans flash data signal U901 Headset Jack CN901 Trans Flash Socket S900 Description Reference Description Reference CN902 ...

Page 69: ...4 1 RF Component RF component Bottom 4 TROUBLE SHOOTING 70 4 TROUBLE SHOOTING U1004 U1000 U104 U103 U102 X100 U100 FL102 ANT100 SW1002 ANT500 ANT102 U105 ...

Page 70: ...4 TROUBLE SHOOTING 71 4 2 SIGNAL PATH ...

Page 71: ...4 TROUBLE SHOOTING 72 4 3 Checking VCXO Block The reference frequency 19 2MHz from X100 VCXO is used WCDMA TX part GSM part and BB part ...

Page 72: ... can skip check 1 Test Point Crystal Part Schematic of the Crystal Part TP2 TP3 TP1 TP5 TP4 100 R126 GND 2 OUT 3 4 VCC 1 VCONT TG 5001LA 19 2MHz X100 19 2MHz C163 0 1u 0 01u C172 1000p C173 1000p C157 1000p C162 C177 100p VREG_TCXO_2 85V TCXO_BT_IN TCXO_PM TRK_LO_ADJ TP3 TP1 TP2 TP5 TP4 ...

Page 73: ...NG 74 Check TP1 VCC of VCXO VCC 2 8V Check TP2 TRK_LO_ADJ 3V Voltage 0V Check TP3 4 5 With Oscilloscope 3V Voltage 0V VCXO is OK Check other part Check PMIC Yes Yes Yes No No No Check MSM Check soldering and components ...

Page 74: ...19 GND6 12 RX_DCS1 RX_DCS2 13 16 RX_EGSM1 RX_EGSM2 17 14 RX_PCS1 RX_PCS2 15 TX_DCSPCS 3 TX_EGSM 1 8 UMTS D1040 U100 7 ANT 2 CTRL1 4 CTRL2 CTRL3 11 20 CTRL4 GND1 5 6 GND2 GND3 9 10 GND4 GND5 ANT100 NA C101 SW100 KMS 512 ANT G1 G2 RF ANT102 C100 6 8p ANT_SEL2 ANT_SEL0 ANT_SEL1 ANT_SEL0 High Low Low Low Low Low Mode EGSM TX EGSM RX DCS PCS TX DCS RX PCS RX UMTS ANT_SEL1 Low Low High High Low Low ANT_...

Page 75: ...4 TROUBLE SHOOTING 76 Checking Switch Block power source Check Soldering of ANT_SEL0 1 2 High Level 2 5V Voltgae 3 0V Check VCC TP1 VREG_RFRX_0_2 85V Check the Logic in each mode YES NO ...

Page 76: ...4 TROUBLE SHOOTING 77 4 5 Checking WCDMA Block START 1 Check VCXO 19 2MHz 2 Check ANT SW Module ANT_SEL0 1 2 3 Check RF Tx Level 4 CheckPAM Block 5 Check RF Rx Level 6 Re downloadSW CAL 3 4 5 1 2 ...

Page 77: ...TP2 TP3 TP4 Test Point RF TX Level 10nH L100 C102 33p 18 19 GND6 12 RX_DCS1 RX_DCS2 13 16 RX_EGSM1 RX_EGSM2 17 14 RX_PCS1 RX_PCS2 15 TX_DCSPCS 3 TX_EGSM 1 8 UMTS D1040 U100 7 ANT 2 CTRL1 4 CTRL2 CTRL3 11 20 CTRL4 GND1 5 6 GND2 GND3 9 10 GND4 GND5 ANT100 NA C101 SW100 KMS 512 ANT G1 G2 RF ANT102 C100 6 8p ANT_SEL2 ANT_SEL0 ANT_SEL1 TP1 ...

Page 78: ...2 0 R131 R130 10K 5 6nH L129 C188 100p 1200p C190 C169 100p 5 3 1 TR100 UMC4N 2 4 C191 27p C165 2 2u 15 VCC1B 7 VCC2A 13 VCC2B 9 6 VCONT VREF 5 SKY77410 BGND 17 2 GND1 4 GND2 8 GND3 10 GND4 12 GND5 14 GND6 NC 1 RF_IN 3 RF_OUT 11 16 VBIAS VCC1A C176 U104 0 01u R129 1 8K C166 100p 0 01u C175 C167 100p 0 1u C171 VREG_W_PA TX_AGC_ADJ VPWR PA_ON VREG_RFTX_2 85V PA_ON HDET1 VREG_RFTX_2 85V TP3 TP2 TP4 ...

Page 79: ...t is needed Set the Phone Tx is ON and PDM is 450 Check TP1 Over 21dBm Change the board RF Tx Level is OK Check FEM Check PAM Block Refer to 3 5 4 NO YES Check TP2 Over 19dBm NO YES Check TP3 Over 16dBm NO YES Check TP4 Over 5dBm NO YES Check Duplexer ...

Page 80: ...WCDMA Tx Power Detect IC HDET Enable TX_AGC_ADJ WCDMA Tx Power Amp Gain Control PA_ON must be HIGH over 2 5V PA_FET_N must be LOW if the max Tx power is set lower than 0 5V PAM IN OUT Signal PAM OUT must be over 16dBm PAM IN must be over 5dBm PA_ON TX_AGC_ADJ PAM_IN PAM_OUT ...

Page 81: ... R135 27p C189 0 1u C198 C82 3 9n LMV225TLX U105 B1 GND OUT B2 RFIN_EN A1 VDD A2 R138 3 3K 0 01u C83 C81 10p 0 R131 R130 10K 100nH L130 VDDRF3 42 SBDT 43 44 SBST 33 TCXO 25 UMTS_TUNE VDDA1 7 24 VDDA2 26 VDDA3 VDDA4 27 32 VDDA5 VDDA6 34 36 VDDA7 VDDA8 45 VDDM 41 VDDRF1 3 12 VDDRF2 19 ILNA_IN ILNA_OUT 14 8 IMIXM IMIXP 9 28 LO_OUT 49 PGND 15 PLNA_BIAS PLNA_IN 16 PLNA_OUT 13 10 PMIXM PMIXP 11 RX_IM 21...

Page 82: ...N Check bias1 Over 2V Change the board Check bias block soldering Check RF s w Check Duplexer YES NO Check TP1 Signal exist YES NO Check TP2 Signal exist YES NO Check TP3 Signal exist YES NO Check FEM Check TP4 Signal exist NO Check RFR6250 YES ...

Page 83: ...4 6 Checking GSM Block 4 TROUBLE SHOOTING 84 1 Check TXVCO Block 2 Check ANT SW Module 3 Check Tx PAM Block 5 Re download SW CA L 4 Check RF Rx Level START 2 3 1 4 ...

Page 84: ...1 2 GND2 4 GND3 6 7 GND4 GND5 8 GND6 12 13 GND7 GND8 14 5 OUT_DCSPCS U103 C151 100p L121 10nH 15 R111 C127 1000p 270 R120 150 R117 VDD_M 15p C139 VDDA11 39 41 VDDA12 SBCK TX_MOD_CP 40 42 TX_VCO_FB C147 10u 0 1u C137 R106 82 10u L120 9 1nH C135 200 R119 R110 47 0 1u C144 C136 33p 1000p C125 15p C138 C126 120p VREG_RFTX_2 85V VREG_MSMP_2 7V GSM_TX_VCO_0_EN_N GSM_TX_VCO_1_EN_N VREG_RFTX_2 85V RF_ON_T...

Page 85: ...If GSM TP2 High TP3 Low If DCS PCS TP2 Low TP3 High Check TP4 2 8V TP4 3 0V TXVCO X100 isOK Check other part s Check TP5 TP6 0dBm TP5 TP6 5dBm START Check RTR6250 Check Soldering MSM 6250A Check PMIC U401 Check Soldering of TXVCO X100 YES YES YES YES NO NO NO NO ...

Page 86: ... D1040 U100 7 ANT 2 CTRL1 4 CTRL2 CTRL3 11 20 CTRL4 GND1 5 6 GND2 GND3 9 10 GND4 GND5 C123 0 01u ANT100 NA C101 C116 33p C122 0 01u SW100 KMS 512 ANT G1 G2 RF C121 10u 6 GND1 7 GND2 GND3 8 9 GND4 GND5 10 12 GND6 GND7 13 14 GND8 16 GND9 GSM_IN 4 GSM_OUT 11 PGND 21 RSVD_GND 19 20 VAPC VBATT 17 VCC1A 2 VCC1B U102 SKY77328 1 BS 3 DCS_PCS_IN DCS_PCS_OUT 15 18 ENABLE 5 C124 68p 0 01u C118 ANT102 R115 10...

Page 87: ...odule U100 Refer to chapter 3 4 Changethe Board Check Soldering of PAM U102 Block If problems stiil exist replace the PAM YES YES NO NO NO NO Check TP2 TP3 If T P2 over 29dBm If T P3 over 25dBm Check PAM Block U102 OK Refer to chapter 3 6 4 Check TXVCO X100 Refer to chapter 3 6 1 YES Problems resolved YES GSM DCS PCS Tx is OK NO ...

Page 88: ...n 2 5V TP4 VPWR PAM Supply Voltage Vcc higher than 3 28V TP1 TP2 TP3 TP4 Test Point RF Tx Level R102 0 6 8nH L119 R114 100 C117 10u L118 NA 15p C148 15p C149 C123 0 01u C116 33p C122 0 01u C121 10u 6 GND1 7 GND2 GND3 8 9 GND4 GND5 10 12 GND6 GND7 13 14 GND8 16 GND9 GSM_IN 4 GSM_OUT 11 PGND 21 RSVD_GND 19 20 VAPC VBATT 17 VCC1A 2 VCC1B U102 SKY77328 1 BS 3 DCS_PCS_IN DCS_PCS_OUT 15 18 ENABLE 5 C124...

Page 89: ... 43 36 VDDA10 VDDA11 39 41 VDDA12 48 VDDA13 VDDA6 23 26 VDDA7 32 RX_VCO_IN 33 R_BIAS 44 SBCK 45 SBDT SBST 46 TX_MOD_CP 40 42 TX_VCO_FB 49 VCONTROL FAQ2 28 GSM1800_INN 34 35 GSM1800_INP GSM1900_INN 24 25 GSM1900_INP 22 GSM850_INP GSM900_INN 38 37 GSM900_INP RF_ON_TX_ON 47 30 CP2 29 CP_HOLD2 10nH L116 R106 82 R101 0 L120 9 1nH C114 33p R110 47 7 5nH L111 0 1u C108 3 6nH L102 L105 3 6nH 1000p C125 C1...

Page 90: ...4 TROUBLE SHOOTING 91 Set the Phone Rx is ON Check soldering Change the board Resoldering YES NO Check FEM buffer YES NO Change FEM buffer ...

Page 91: ...ter 1 Set phone to bluetooth test mode Enter Test Mode 277634 Module Test Set BT DUT BT DUT ON 2 Connect phone to bluetooth tester 3 Set channel to 39 4 Measure output power 5 Check TP1 output power 6 dBm 4 TROUBLE SHOOTING 92 TP1 TP2 TP5 TP3 TP4 ...

Page 92: ...7 GND2 15 GND3 LDO1 2 3 LDO2 13 NC RX_BB_TX_BB 8 SBCK 10 11 SBDT SBST 6 5 SYNC_DET_TX_EN U502 TP501 C517 0 01u 1u C527 33p C519 C514 0 01u 1u C518 C515 1u BT_SBCK BT_SBDT BT_TX_RX_N BT_CLK BT_SBST VREG_MSMP_2 7V BT_DATA TCXO_BT VREG_BT_2 85V 1000p C435 5 TC7S04FU U402 GND 3 2 4 VCC R409 100K C430 1000p TCXO_BT_IN VREG_BT_2 85V TCXO_BT Schematic of Bluetooth RF Block TP2 TP1 TP5 TP3 TP4 ...

Page 93: ...TING 94 Set the Phone Rx is ON TP1 6dBm Check BT Antenna soldering YES NO TP2 2 5V YES NO Replace PCB TP4 19 2MHz YES TP3 2 8V Change U402 YES NO Replace PMIC NO Replace BT module U502 NO Replace PCB TP5 19 2MHz YES ...

Page 94: ...em reset assert to MSM Phone booting and PS_HOLD D400 assert High to PMIC PM6650 2 Start Battery voltg higher than 3 28V Press PWR key Keypad LED on D602 high to low when key press VREG_MSMC_1 375V VREG_MSMP_2 7V VREG_MSME_1 8V VREG_TCXO_2 85V VREG_MSMA_2 6V power up Is clock ok R413 C402 19 2M X400 32 768Khz Change the Main board Change or charging the Battery Follow the LED trouble shoot Check t...

Page 95: ...4 TROUBLE SHOOTING 96 32 768KHz VREG_TCXO_2 85V VREGC_MSMP_2 7V VREGC_MSMA_2 6V PM6650 VREG_MSME_1 8V 19 2MHz C435 VREG_MSMC_1 375V 19 2MHz R405 MSM6250 ...

Page 96: ...o 5V USB_D U403 Pin_1 go to 3 3V 48M Crystal on USB_DATA TP_210 is triggered USB work Start USB_VBUS is about to 5V USB_D is about to 3 3V 48M is run Change the Main board Check U403 USB cable Check U403 Check X200 NO YES YES YES NO NO Cable is insert YES Cable insert NO X200 48MHz USB_D USB_D USB_DATA TP200 USB_VBUS ...

Page 97: ...ed USIM IF work Schematic and place are refer to SIM technical brief Start Work well VREG_USIM_2 85V is 3 0V USIM_P_CLK is run Change the Main board End Check J300 TP206 TP207 VREG_USIM_2 85V Yes No YES NO Re insert the SIM card Change SIM card Work well End Yes No USIM_P_DATA J300 Pin 6 VREG_USIM_2 85V J300 Pin 1 USIM_P_CLK J300 Pin 3 USIM_P_RST J300 Pin 2 ...

Page 98: ...V Press the key Corresponding row x and col x go to 0V Key sensing Start Work well Check the RA600 R608 with no key press Change the Main board End Yes NO Change the side key pcb Check the RA600 R608 with key press NO ROW 0 4 is 2 7V Check RA600 R608 NO YES Side Key For Camera RA600 R603 Side Key For Volume ...

Page 99: ...M6250A Start Check VREG_CAM_2 7V VREG_CAM_1 8V Yes NO END Camera is OK Check the camera conn and reconnect the camera Change the U500 Camera is OK Check the DSP_CLK Change the camera Yes Yes NO NO NO END Yes FB500 Change the Main board Change the Main board FB500 Camera connector CAM_1 8V CAM_2 7V U501 Dual LDO for Camera ...

Page 100: ...CN602 LCD FPCB and LCD Module START Press END key to turn the power on Is the circuit powered Follow the Power ON trouble shooting LCD display OK Change LCD Module The LCD works Change Main Board No Yes Yes Yes No Yes No LCD display OK Disconnect and reconnect the LCD Connector And check the LCD connector Change LCD FPCB LCD display OK No ...

Page 101: ...4 TROUBLE SHOOTING 102 LCD Control data flow CN600 50pin LCD connector FPCB for LCD Module 40pin LCD connector LCD Module ...

Page 102: ...to High EL Sheet On Key Pad Led controlled by PM6650 2 Start Change the EL Sheet Change the Main board NO Yes Yes Key press Change U602 NO Signal EL_OUT is OK Check C608 Signal VPWR is OK Check C611 U602 EL Driver IC Change the Main board Signal KEYD_EN is OK Check R609 Change the Main board Yes NO C611 R609 C608 ...

Page 103: ... Open about 2 6V Close 0V MSM6250A Sense the Folder Flip Event Sensing signal is directly connected to MSM6250A Start Change the Main b d Insert the magnet Check the magnet in folder Assy Approach the magnet to U600 FLIP U600 pin 1 is 0V Yes NO Yes Check the U600 And check the R600 for VREG_MSMP_2 7V NO U600 Flip sense IC R600 VREG_MSMP_2 7V ...

Page 104: ... front side view 0V Cam back side view about 2 5V MSM6250A Sense the Camera direction change Event Start CAM_SENSE is 0V Check the magnet in the mechanics of camera module And Change the camera direction for front Yes Yes NO Change the Main B d NO Sense is OK Yes END Sense is OK Change the Main B d NO Yes END Check U500 and VCC of U501 U500 This pictureís direction is back side viewing ...

Page 105: ...on VREG_MMC_3 0V is 3 0V MMC_CD go to High Trans Flash Insertion detecting by MSM6250A go working Start Trans Flash insertion Detection is correct Check the B to B connector for SUB PCB NO Yes Change the Main B d Check the VREG_MMC_3 0V MMC_CD signal Or change the SUB bíd Insert the Trans Flash Card ...

Page 106: ...tor of LCD FPCB LCD module Speaker Start The sine wave appear at FB503 FB504 Check U505 NO Connect the phone to network Equipment and setup call Setup 1KHz tone out The sine wave appear at Speaker soldering point Can you hear the tone YES END Change the speaker Hear the tone to the receiver NO NO Check connector pin and Speaker soldering point Or Change the LCD FPCB YES YES The sine wave appear at...

Page 107: ...ROUBLE SHOOTING 108 R523 R525 receiver signal serial resistor Speaker CN602 50pin LCD connector FPCB for LCD Module FB503 FB504 audio signal serial bead U505 Speaker receiver switch Speaker soldering point ...

Page 108: ...B b d Start The sine wave appear at CN500 pin 17 18 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out And insert head_Set The sine wave appear at C907 C911 in SUB b d YES Check the connector pin or change the SUB b d NO Can you hear the tone NO YES YES END Headset insertion detection in the Main LCD Display OK Check CN901 pin 6 or Change the SUB b d...

Page 109: ...4 TROUBLE SHOOTING 110 CN600 50pin LCD connector CN901 C907 C911 FB901 FB902 ...

Page 110: ...ne wave appear at C536 C537 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out Set phone with speaker Phone mode The sine wave appear at R516 R517 YES Check C536 C537 R516 R517 or Change the Main board NO Check U504 U505 NO YES The sine wave appear at Speaker side in FPCB Check the connector or Change the FPCB NO YES Can you hear the tone Change the ...

Page 111: ...4 TROUBLE SHOOTING 112 C536 C537 R516 R517 Speaker CN602 50pin LCD connector FPCB for LCD Module FB503 FB504 audio signal serial bead U505 Speaker receiver switch Speaker soldering point U504 Amp ...

Page 112: ...AUXIN_AUXIR AF20 MIC1N AF22 MICINP AF24 CCOMP AE19 AUXIP_AUXIL AE20 MIC1P AE22 MICINN AE23 MICBIAS AC17 EAR1ON AC18 AUXON_AUXOR MIC2P AC19 AC20 MICFBP AC21 MICFBN AA19 MICOUTP AA17 AUXOP_AUXOL AA18 MIC2N C227 22n 22n C226 MIC2N MIC2P M_SPK M_SPK M_RCV M_RCV HPL_L HPL_R MICOUTP MICINP MIC1N MICINN MIC1P MICFBN MICFBP MICOUTN GND_RET MICBIAS Start MIC_BIAS C525 is 1 8V Change the Main B d NO Make a ...

Page 113: ...4 TROUBLE SHOOTING 114 U503 MIC for Handset MIC 3 G3 5 OUT 1 4 PWR U503 SP0102BE3 2 G1 G2 0 R509 47p C525 10u C523 C531 10p C529 22n C528 22n C530 33p MICBIAS MIC1N MIC1P ...

Page 114: ...05C P VREG_MSMP_2 7V MICBIAS MULTI_ADC HP_OUT_L HOOK_SENSE_N HP_OUT_R EAR_SENSE_N MIC2N MIC2P FB901 Start EAR_SENSE_N is 0V Yes END Make a call Change the SUB b d Change the SUB b d MIC_BIAS is 1 8V Change the Main B d Yes OK NO NO NO Try change the head set Near to MSM 0 1u C228 W15 HPH_R W17 HPH_L W18 MICOUTN AF18 EAR1OP AF19 AUXIN_AUXIR AF20 MIC1N AF22 MICINP AF24 CCOMP AE19 AUXIP_AUXIL AE20 MI...

Page 115: ...4 TROUBLE SHOOTING 116 C226 C227 for MIC serial capacitor ...

Page 116: ...le Shooting Setup Connect TA or USB Cable and battery to the phone Trouble Shooting Procedure Check the charger connector Check the charging current Path Check the battery D2 D3 D4 G S Q402 SI3493DV E3 D1 Q400 QST4 3 B 1 C1 C2 2 5 6 4 R406 0 1 B 3 C1 1 2 C2 5 6 4 QST4 Q401 5V_PWR USB_CNT_N CHG_CNT_N VBATT VPWR USB_VBUS ICHARGE BATT_FET_N ICHARGEOUT Pass control Tr ON 4 2 4 25V Main Battery TA 4 6V...

Page 117: ...he pin and battery Connect terminals of I O connector Connection OK Change I O connector Is the TA voltage 4 6V Is the USB voltage 5 0V Change TA USB cable Check the Q400 Q401 Q402 END Change the board NO Yes NO Yes NO Yes Charging OK Yes ...

Page 118: ...4 TROUBLE SHOOTING 119 Q400 Q401 Q402 VBATT GND ...

Page 119: ... phone to your desktop PC using the USB cable and run the LGMDP application Before getting started set up LGMDP preferences from the Preferences of the file menu the way you want Click on the File menu and select Preferences Play a success sound It will be played a wav file when the download has been completed Automatically run Select Port When LGMDP starts When LGMDP starts it will automatically ...

Page 120: ...button Once the desired country is selected the selected country name will be displayed at the bottom of left corner screen For instance if the selected country is Italy then LGMDP will operate based on the Italy Setting Values In this case the figure shown in the below will be displayed ...

Page 121: ...umn Make sure that the selected country is valid If the selected country is invalid select the country name again Integrity is automatically checked for the following country Italy United Kingdom Hong Kong and Austria Integrity Ciphering is checked for Australia Sweden and Denmark Then click on the Connect button The port number COM4 shall be different from that of the port number in the snapshot ...

Page 122: ...The status Ready is displayed when the application is ready for downloading While the images are transmitted from PC to the handset a progressive bar Red box indicating the degree of transmission of data is displayed ...

Page 123: ...ia and module are erased Only calibration data is kept when NV backup restore is checked The user contents and file system physically are wiped out Keep All Contents Maintain user data including WAP AD DRM Email Play lists images when downloading a new images user data stated above are maintained if this option is enable Only For U880 Model 5 Additional Options Display Information is defaulty not ...

Page 124: ...ame indicates the path where the image files are located Select the path where AMSS Modem image file is located by clicking on the Browse button The selected AMSS image will be downloaded to the handset from the path directory in the PC Make sure that you have chosen correct file In case of wrong AMSS Modem file is selected he phone may not work The file name shall be different from that of the fi...

Page 125: ...loaded to the handset from the path directory in the PC Make sure that you have chosen the right media image file After selecting an image a prompt will be displayed asking whether user want to download the selected image Confirm the information on the message box Caution Application will popup Error message if you choose improper file ...

Page 126: ...the handset from the path directory in the PC Make sure that you have chosen the right Module image file After selecting an image a prompt will be displayed asking whether user want to download the selected image Confirm the information on the message box Caution Application will popup Error message if you choose improper file ...

Page 127: ...or select the NV file from the LGMDP installation directory by clicking on the Browse button Click on the START button to start downloading A summary of the selected images and option information window will be displayed Click on the No button if this is not the setting you are downloading for Otherwise click on the Yes button to continue downloading selected image file with options No Yes ...

Page 128: ...downloading images to the handset You will see snapshots for each step in the succeeding slides NV Backup Erase MODULE directory NV Restore Erase MEDIA directory Download MEDIA Download MODULE Erase EFS Download MODEM Reset Reset Download process Download End Download Start Reset ...

Page 129: ...e created in the displayed file name in the LGMDP installation directory Backing up NV data and backed up NV data will be stored in the LGMDP installation directory Erasing the existing directories and files before the Module image is downloaded Downloading the AMSS modem image ...

Page 130: ...ion Restoring NV data which backed up in the Backing up process User can also restore NV data using NV Default image selection Rebooting the handset and re establishing the connection Erasing the existing directories and files before downloading the selected Media image ...

Page 131: ...5 DOWNLOAD 132 Downloading Media image in progress Downloading Module image in progress Downloading process has completed successfully ...

Page 132: ... store log related files in the selected root path in PC This function is very useful for debugging Select Log Extractor from the Tools of the file menu and connect the phone with LGMDP by clicking on the Connect button When clicking on the Connect button this checks if the appropriate files such as LGAPP RecMngr bin err directory Debugging_Tip txt or Hidden_info bin are placed on the handset If t...

Page 133: ...eys and then try to download all the images again including AMSS modem Media and Module image The phone supports a special mode called emergency mode In this mode minimum units for downloading is running so that users can download the images again in case of emergency situation AMSS modem Media and Module images can not be running in this mode The below dialog shows parameters of Select Port when ...

Page 134: ... on the Start button to start downloading selected images The selected image will be downloaded to the handset from the path directory in the PC After downloading images successfully it will boot to normal mode 5 3 2 Media Erasing Error Snapshot showing the MEDIA Erasing error before downloading the Media image Next slide shows the remedial procedure to adopt ...

Page 135: ...hen re try to download only the Media and Module images again Both Media and Module image have to be downloaded at the same time 5 3 3 NV Restore Error Snapshot showing the NV Restore error Next slide shows the remedial procedure to adopt ...

Page 136: ...w Enable state in the window indicates that the Phone has been detected and is ready to download Click on NV Restore A list of NV Backup files nv2 will be shown These files were saved every time NV Backup option was selected The name is determined based on the time when NV Backup was done ...

Page 137: ...t showing the error Reading the NV file and restore NV 5 4 Caution 1 Not recommended that multi downloading using the USB hub 2 Recommended that the Module and Media Image have to be downloaded at the same time 3 Erase EFS option will erase everything media module nv items and user data in the EFS area ...

Page 138: ...6 BLOCK DIAGRAM 139 6 1 GSM WCDMA RF Block Fig 6 1 1 UMTS 2100 EGSM 900 DCS 1800 PCS 1900 RF Functional Block Diagram 6 BLOCK DIAGRAM ...

Page 139: ...Table 2 1 1 RF Block Component 6 BLOCK DIAGRAM 140 ...

Page 140: ...6 BLOCK DIAGRAM 141 6 2 Interface Diagram U890 Interface Diagram ...

Page 141: ...ection WCDMA GSM Tx Rx DCS Tx Rx PCS Tx Rx GSM PA_CTL signal GSM_PA_BAND DCS or PCS GSM Mode Selection GSM_PA_EN Power Amp Gain Control Enable GSM_PA_RAMP Power Amp Gain Control GSM DCS_VCO_EN GSM_VCO_EN GSM band Tx VCO Enable DCS_VCO_EN DCS band Tx VCO Enable UMTS PA_CTL signal PA_ON WCDMA Tx Power Amp Enable PA_RANGE0 WCDMA Tx Power Amp Gain Control TRK_LO_ADJ TCXO 19 2M Control UHF_VCO_BAND_SEL...

Page 142: ...6 BLOCK DIAGRAM 143 Top Side ...

Page 143: ...6 BLOCK DIAGRAM 144 Bottom Side ...

Page 144: ... L101 2 7nH 47nH L112 C151 10 R104 100p 1000p C173 L121 10nH C131 C152 0 1u 5 6nH 100p L129 C188 100p ANT100 1 2p C194 4 7nH 0 1u L126 1200p C115 C190 L107 2 2uH 15 R111 C169 100p C195 5p 680p NA C183 C101 0 1u C85 R100 10 C127 1000p C116 270 R120 33p C134 5 3 1 0 01u TR100 UMC4N 2 4 EFCH1950TDC1 G1 2 G2 5 G3 3 IN 1 4 OUT L122 3 9nH FL101 1000p C157 150 R117 VDDA8 27 VDDA9 31 VDD_M 43 8 VTUNE_REF ...

Page 145: ...RI_GPIO 64 D21 CAMIF_DATA 7 _GPIO 59 D22 CAMIF_DATA 2 _GPIO 54 D25 CAMIF_PCLK_GPIO 14 D26 BT_DATA_GPIO 20 D5 ANT_SEL3_N_GPIO 12 D6 PM_INT_N_GPIO 40 D7 PS_HOLD_GPIO 42 D8 UART1_DTR_GPIO 44 D1 UART2_DP_TX_DATA_GPIO 88 D10 KEYPAD_15_GPIO 52 D11 TX_VCO_0_EN_N_GPIO 8 D12 MMC_CLK_GPIO 31 D15 TDI D16 TCK ETM_TRACESYNC_GPIO 65 D18 D20 CAMIF_DATA 9 _GPIO 61 B19 PA_ON 0 B22 CAMIF_DATA 6 _GPIO 58 B23 CAMIF_D...

Page 146: ... G5 NC15 A3 NC29 E11 E10 NC28 NC27 E9 E8 NC26 NC25 E7 NC24 E1 D14 NC23 NC22 NC37 F6 NC36 NC35 F5 F4 NC34 NC33 F3 F2 NC32 NC31 E13 E12 NC30 NC119 B13 NC14 B12 NC131 J12 W14 NC130 NC13 B11 NC129 W13 W12 NC128 NC127 W11 W4 D1 NC21 C14 NC20 C13 NC2 A2 NC19 C5 NC18 C2 C1 NC17 NC16 B14 NC104 Y11 Y4 NC118 NC117 Y3 Y2 NC116 NC115 Y1 V14 NC114 NC113 V13 V2 NC112 NC111 NC126 NC125 W3 W2 NC124 NC123 W1 Y14 N...

Page 147: ... 27 VSW_PA 28 VREG_PA 29 VDD_PA 3 ISNS_P 30 RUIM_M_IO MPP11 17 USB_DAT 18 USB_D_P 19 USB_SE0 2 VCHG 20 USB_D_M 21 GP1_DRV_N MPP7 22 LCD_DRV_N 23 KPD_DRV_N 1 ADC_BYP 10 VREG_USB 11 USB_ID 12 VREG_5V 13 USB_OE_N 14 VSW_5V 15 USB_CTL_N 16 USB_VBUS PM6650 2J U401 1000p SI8402DB D1 D2 G S C435 Q403 STBY VIN 3 4 VOUT C420 1u U400 BH30FB1WHFV BGND 6 GND 2 5 NC 1 C439 1000p Q400 QST4 3 B 1 C1 C2 2 5 6 4 1...

Page 148: ...MSM 12 XTAL_IN 4 EVLC14S02050 VA509 RB06A ANT 16 9 CLK_REF 1 GND1 7 GND2 15 GND3 LDO1 2 3 LDO2 13 NC RX_BB_TX_BB 8 SBCK 10 11 SBDT SBST 6 5 SYNC_DET_TX_EN U502 C528 22n C540 82p C538 1u TP501 10p C505 C507 0 1u 100K R512 C535 FB504 82p R521 100K R611 0 VA502 EVLC18S02015 FB500 HB 1M1005 600JT C517 0 01u 1u C527 R513 0 EVLC18S02015 VA505 33p C519 GND OUT VCC 80 6K R514 MRSS32W_L U501 0 01u EVLC18S0...

Page 149: ...VE21184E150R500FR 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 ICVE21184E150R500FR FL601 FL600 ICVE21184E150R500FR C600 1u D604 PRSB6 8C U600 A3212EELLT T G1 G2 OUT VDD INSTPAR ZD600 UCLAMP0501H VA608 EVLC14S02050 C602 1u CN600 1 2 3 D608 PRSB6 8C R607 VA604 EVLC14S02050 100K V...

Page 150: ... C911 33u C907 C905 0 1u R906 470K R901 100K 100K R904 GND GND VDD VSS 500873 0802 S900 CD_DAT3_CS CLK_SCLK CMD_DI DAT0_DO DAT1_RSV DAT2_RSV 10u C913 33p C914 2 2K R907 VA901 EVLC14S02050 100K R917 BAT900 R905 2 2K VA902 EVLC14S02050 ML414RH F9CE 10p 10p C915 C917 6 7 8 9 R916 100K 1 10 11 12 13 14 15 16 17 18 2 3 4 5 CN901 C 1827541 D901 MSMF05C P MMC_CLK MMC_CMD MMC_DATA MMC_CD VREG_MSMP_2 7V MU...

Page 151: ...3 14 15 16 17 18 19 2 AXT350164G CN 1 SUB_LCD_CS_N SPK SPK SPK_LN WLED_3 WLED_2 WLED_1 EBI2_DATA 6 EBI2_DATA 5 EBI2_DATA 4 EBI2_DATA 3 EBI2_DATA 2 EBI2_DATA 1 EBI2_DATA 0 EBI2_DATA 7 LCD_CS_N CAM_FLASH_PWR LCD_ADS EBI2_WE_N EBI2_OE_N LCD_ID VREG_LCD_3 0V LCD_IF_MODE EBI2_DATA 15 EBI2_DATA 14 EBI2_DATA 13 EBI2_DATA 12 EBI2_DATA 11 EBI2_DATA 10 EBI2_DATA 9 EBI2_DATA 8 LCD_CS_N SUB_LCD_CS_N LCD_ID VR...

Page 152: ... 153 8 pcb layout ...

Page 153: ... 154 8 pcb layout ...

Page 154: ... 155 8 pcb layout ...

Page 155: ... 156 8 pcb layout ...

Page 156: ... 157 8 pcb layout ...

Page 157: ... 158 8 pcb layout ...

Page 158: ..._U890_Ver0 95 xml Main_SequenceD dll Dll_SerialATD dll DLL_PwrControlD dll DLL_E5515CD DLL AT_Serial_Cmd xml PwrSupply_Cmd xml Setup_Cal_Test xml CmMqDll dll ComLMPLib_06 dll ShieldBox_DllD dll Hot_KimchiD exe Rf_AutoMain_Ver1114 dll Setup_RF_AutoTest xml Main_SequenceD dll Dll_SerialATD dll DLL_PwrControlD dll DLL_E5515CD DLL AT_Serial_Cmd xml PwrSupply_Cmd xml Jay_Ver0 8A_U890 dll Directory File...

Page 159: ...ase on off 5 You can change this as auto or cal should be in lower case on off 6 Auto model name 7 Relative path of auto model procedure spec setting file from Hot_KimchiD exe cal Default U890 cal U890 Cal_Model U890 Jay_Ver0 8A_U890 dll auto U890 RF Auto Rf_AutoMain_Ver1114 dll ezlooks off batcal off svc off standalone off tescom off process cal U890 Auto_Model U890 Procedure_U890_Ver0 99 xml Aut...

Page 160: ...off batcal Battery calibration on off svc If you use this program in svc turn it on Domestic on Oversea off standalone Oversea factory or SVC on Domestic factory off tescom If you use TESCOM shiedbox turn it on process auto process or cal process U890 procedure spec setup file name auto process only ...

Page 161: ...tcal off svc off standalone off tescom off process auto If Tescom S B is used it should be tescom on AUTO Process Ex1 Service center ezlooks off batcal off svc on standalone off tescom off process cal Ex2 Oversea factory or repair ezlooks off batcal on svc off standalone on tescom off process cal Ex3 Domestic factory ezlooks on batcal on svc off standalone off tescom off process cal CAL Process ...

Page 162: ...9 CALIBRATION 163 9 2 How to use Hot Kimchi Flow 1 Select the model name which you want 2 Click APPLY button to load the cal or auto lib file 3 Click START button to run the procedure which you want ...

Page 163: ...9 CALIBRATION 164 9 3 HOT KIMCHI Example Choose_U890 ...

Page 164: ...9 CALIBRATION 165 Click APPLY button Click START button ...

Page 165: ...9 CALIBRATION 166 Click Run button to lunch RF AUTOTEST ...

Page 166: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 50 49 48 27 28 47 46 45 29 44 30 31 32 33 34 35 36 37 43 38 42 65 39 40 41 51 75 25 52 53 54 55 56 57 58 59 60 61 62 63 64 25 10 EXPLODED VIEW REPLACEMENT PART LIST 10 1 EXPLODED VIEW ...

Page 167: ... 168 ...

Page 168: ...d Pearl 18 5 MDAF00 DECO FOLDER LOWER MDAF0008101 White Gold Pearl 20 5 MDAJ00 DECO HINGE MDAJ0009301 White Gold Pearl 16 5 MMAZ00 MAGNET MMAZ0000101 D3 1 5t 14 5 MPBN00 PAD SPEAKER MPBN0026401 White Gold Pearl 30 5 MTAA00 TAPE DECO MTAA0104901 White Gold Pearl 22 5 MTAA01 TAPE DECO MTAA0105001 White Gold Pearl 19 5 MTAA02 TAPE DECO MTAA0105101 White Gold Pearl 17 5 MTAD00 TAPE WINDOW MTAD0046801 ...

Page 169: ...White 5 5 MTAE00 TAPE WINDOW SUB MTAE0026001 White Gold Pearl 40 5 MWAH00 WINDOW FLASH MWAH0003301 White Gold Pearl 4 4 ACGK00 COVER ASSY FRONT ACGK0061801 White Gold Pearl 5 MBJL00 BUTTON SIDE MBJL0027801 White Gold Pearl 42 5 MBJP00 BUTTON SHUTTER MBJP0003901 White Gold Pearl 5 MCJK00 COVER FRONT MCJK0050601 White Gold Pearl 43 5 MDAC00 DECO SIDE MDAC0015501 White Gold Pearl 55 5 MDAC01 DECO SID...

Page 170: ...036701 Gold 4 MTAZ00 TAPE MTAZ0124701 Black 4 MWAC00 WINDOW LCD MWAC0060601 White Gold Pearl 21 4 MWAF00 WINDOW LCD SUB MWAF0030601 White Gold Pearl 1 3 ACGM00 COVER ASSY REAR ACGM0062701 White Gold Pearl 4 MBIZ00 BUSHING MBIZ0002601 Silver 50 4 MCCC00 CAP EARPHONE JACK MCCC0030501 White Gold Pearl 47 4 MCCE00 CAP RECEPTACLE MCCE0024201 White Gold Pearl 63 4 MCCG00 CAP MULTIMEDIA CARD MCCG0004401 ...

Page 171: ...AD0092201 Gold 69 4 MPBT00 PAD CAMERA MPBT0024301 White Gold Pearl 72 4 MWAE00 WINDOW CAMERA MWAE0012601 White Gold Pearl 70 3 GMEY00 SCREW MACHINE BIND GMEY0011201 1 4 mm 3 mm MSWR3 BK N NYLOK Without Color 25 3 MCCF00 CAP MOBILE SWITCH MCCF0030902 Silver 3 MCCH00 CAP SCREW MCCH0074201 White Gold Pearl 51 3 MKAZ00 KEYPAD MKAZ0026201 White Gold Pearl 56 3 MLAK00 LABEL MODEL MLAK0017701 White 5 ADC...

Page 172: ...R TP PB FREE 6 SPCY00 PCB FLEXIBLE SPCY0068501 POLYI 0 4 mm MULTI 4 F LCD SILVER COATING 4 SJMY00 VIBRATOR MOTOR SJMY0002601 3 0 V 80 mA 12 3 4 4 SUSY00 SPEAKER SUSY0020701 ASSY 8 ohm 89 dB 20 mm 14mm 4 SVLM00 LCD MODULE SVLM0017101 MAIN M_176 220 S_96 96 41 0 57 6 3 6 262k TFT TM HD66784R Dual TFT_AIO 12hr 15 4 SNGF00 ANTENNA GSM FIXED SNGF0014801 3 0 2 0 dBd internal 4 band GSM900 1800 1900 WCDM...

Page 173: ...186 33 pF 50V J NP0 TC 1005 R TP 6 C117 CAP TANTAL CHIP ECTH0002201 10 uF 6 3V M STD 1608 R TP 6 C118 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C119 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C120 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C121 CAP TANTAL CHIP ECTH0002201 10 uF 6 3V M STD 1608 R TP 6 C122 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K ...

Page 174: ... uF 10V K X5R HD 1005 R TP 6 C151 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C152 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C153 CAP CHIP MAKER ECZH0001106 4700 pF 25V K X7R HD 1005 R TP 6 C154 CAP CERAMIC CHIP ECCH0000186 33 pF 50V J NP0 TC 1005 R TP 6 C155 CAP CHIP MAKER ECZH0000846 8 2 pF 50V C NP0 TC 1005 R TP 6 C156 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V ...

Page 175: ... 10V K X5R HD 1005 R TP 6 C186 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C187 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C188 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C189 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C190 CAP CERAMIC CHIP ECCH0000144 1 2 nF 50V K X7R HD 1005 R TP 6 C191 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J N...

Page 176: ... K X7R HD 1005 R TP 6 C220 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C221 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C222 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C223 CAP CERAMIC CHIP ECCH0000157 15 nF 16V K X7R HD 1005 R TP 6 C224 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C225 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1...

Page 177: ... uF 16V Z NP0 TC 1005 R TP 6 C307 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C308 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C309 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C310 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C311 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C312 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R...

Page 178: ...H0000117 27 pF 50V J NP0 TC 1005 R TP 6 C430 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C431 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C432 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C433 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C434 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C435 CAP CERAMIC CHIP ECCH0000143 1...

Page 179: ...0V D NP0 TC 1005 R TP 6 C532 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C533 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C534 CAP CERAMIC CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP 6 C535 CAP CERAMIC CHIP ECCH0000127 82 pF 50V J NP0 TC 1005 R TP 6 C536 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C537 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R ...

Page 180: ...23 13 3 V 400 W R TP PB FREE 6 D601 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D606 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 D607 DIODE TVS EDTY0008601 SOD 323 6 V 400 W R TP PB FREE 6 D608 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 FB100 FILTER BEAD CHIP SFBH0000903 600 ohm 1005 6 FB500 FILTER BEAD CHIP SFBH0000909 60 ohm 1005 6 ...

Page 181: ...6 L109 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R TP COIL TYPE 6 L110 INDUCTOR CHIP ELCH0003814 5 1 nH S 1005 R TP 5 1nH 1005 6 L111 INDUCTOR CHIP ELCH0003817 7 5 nH J 1005 R TP 6 L112 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R TP COIL TYPE 6 L113 INDUCTOR CHIP ELCH0003817 7 5 nH J 1005 R TP 6 L114 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R TP COIL TYPE 6 L115 INDUCTOR CHIP ELCH0003814 5 1 nH S 1005 R T...

Page 182: ...W 20 V 5 A R TP P CHANNEL 20 V D S MOSFET Pb free 6 Q403 TR FET N CHANNEL EQFN0006901 BGA 2 2 0 8 PITCH 4PIN 1 47 W 20 V 5 3 A R TP Low ON Rds 0 031ohm N ch MOSFET Pb free 6 Q404 TR FET P CHANNEL EQFP0006801 MICRO FOOT 1 47 W 20 V 5 8 A R TP 6 R100 RES CHIP ERHY0000203 10 ohm 1 16W J 1005 R TP 6 R101 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R102 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6...

Page 183: ...HIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R132 RES CHIP ERHY0000151 80 6K ohm 1 16W F 1005 R TP 6 R133 RES CHIP ERHY0000169 470000 ohm 1 16W F 1005 R TP 6 R134 RES CHIP ERHY0011601 11 Kohm 1 16W F 1005 R TP 6 R135 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R136 RES CHIP ERHY0000214 51 ohm 1 16W J 1005 R TP 6 R137 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R138 RES CHIP ERHY0000250 3 3K ohm...

Page 184: ... MAKER ERHZ0004201 121000 ohm 1 16W F 1005 R TP 6 R403 RES CHIP ERHY0000292 470K ohm 1 16W J 1005 R TP 6 R404 RES CHIP ERHY0000125 10K ohm 1 16W F 1005 R TP 6 R405 RES CHIP ERHY0000214 51 ohm 1 16W J 1005 R TP 6 R406 RES CHIP ERHY0008602 0 1 ohm 1 4W J 2012 R TP 6 R407 RES CHIP ERHY0000273 47K ohm 1 16W J 1005 R TP 6 R409 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R410 RES CHIP ERHY0000401 ...

Page 185: ...ced current consumption 6 U101 IC EUSY0203802 QFN 56 PIN R TP GSM WCDMA TRANSMITTER GSM RECEIVER 6 U102 PAM SMPY0008301 35 dBm 53 0 0000025 A dBc 50 dB 6 0 6 0 1 2 SMD FOR QUAD BAND GSM AND GPRS 6 U103 VCO EXSC0009201 MHz PPM pF SMD 5 5 4 8 1 5 824MHz 915MHz 1710MHz 1910MHz 14pin 6 U104 PAM SMPY0008201 28 dBm 42 0 0 07 A 52 0 dBc 27 5 dB 4 4 1 5 SMD LOAD INSENSITIVE PAM FOR WCDMA 1850 1980M 6 U105...

Page 186: ... VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA510 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA511 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA512 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA600 VARISTOR SEVY0000702 14 V 10 SMD 6 VA602 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA603 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA604 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA605 VARISTOR SEVY0001001 1...

Page 187: ...C 1005 R TP 6 C602 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C603 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C604 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C605 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C606 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 D600 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V ...

Page 188: ...RISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA610 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA611 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA612 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA613 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA614 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA615 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA616 VARISTOR SEVY0001001 14 V SMD 50pF 1005 5 SPFY00 PCB MAIN SPFY0120...

Page 189: ...CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R903 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R904 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R905 RES CHIP MAKER ERHZ0000243 2200 ohm 1 16W F 1005 R TP 6 R906 RES CHIP ERHY0000292 470K ohm 1 16W J 1005 R TP 6 R907 RES CHIP MAKER ERHZ0000243 2200 ohm 1 16W F 1005 R TP 6 R916 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R917 RES CHIP...

Page 190: ... 1 CELL PRISMATIC U890 HITGP BATT Extended Pb Free White Gold Pearl 65 3 SGDY00 DATA CABLE SGDY0010701 DC US02K USB Datacable ground contact first 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003716 U890 12P2 0TMMI 3 SSAD00 ADAPTOR AC DC SSAD0007848 FREE 50 Hz 4 6 V 0 8 A CE 3G 10 3 Accessory Note This Chapter is used for reference Part order is ordered by SBOM standard on GCSC ...

Page 191: ...Note ...

Page 192: ...Note ...

Search results

Summary of Contents for U890

Reviews:

Related manuals for U890

Brands by name

Popular brands

LG U890, Service Manual

Search results

Summary of Contents for U890

Reviews:

Related manuals for U890

Brands by name

Popular brands