LG TU750 Service Manual Download Page 154

Page: 154 / 253

- 155 -

LGE Internal Use Only

4. TROUBLE SHOOTING

4.21.1 Checking Regulator Circuit

Refer to 4.16 Checking Power Source block
IF you already check this point while checking power source block (4.16), You can skip
this test.

4.21.2 Checking VCXO Block

Refer to 4.17 Checking VCXO block
IF you already check this point while checking VCXO block (4.17), You can skip this test.

4.21.3 Checking Front End Module

Refer to 4.18 Checking Ant. SW Module
IF you already check this point while checking Ant. SW module (4.18), You can skip this
test.

Summary of Contents for TU750

Page 1: ...Service Manual Model TU750 Internal Use Only Service Manual TU750 Date January 2009 Issue 1 0 ...

Page 2: ...D Trouble 99 4 9 Keypad Backlight Trouble 101 4 10 Folder ON OFF Trouble 103 4 11 Audio Trouble Shooting 105 4 12 Charger Trouble Shooting 125 4 13 Checking PMIC Block 127 4 14 RF Component 130 4 15 Procedure to check 131 4 16 Checking Common Power Source Block 132 4 17 Checking VCXO Block 137 4 18 Checking Front End Module Block 141 4 19 Checking Front End Module Block input logic 142 4 20 Checki...

Page 4: ...vent unauthorized use The manufacturer does not warrant that this product is immune from the above case but will prevent unauthorized use of common carrier telecommunication service of facilities accessed through or connected to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment...

Page 5: ...as the following to the end user F Pictures The pictures in this manual are for illustrative purposes only your actual hardware may look slightly different G Interference and Attenuation A phone may interfere with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which...

Page 6: ...th standard battery Power 900mAh Li Ion Over 180 Min WCDMA Tx 12 dBm Voice Over 180 Min GSM Tx Max Voice Over 250 hrs WCDMA DRX 2 56 Over 250 hrs GSM Paging period 5 Antenna Intenna type Main LCD 2 4 320x240 260K TFT Color LCD Main LCD BL White LED Backlight Vibrator Yes Coin Type Speaker Yes MIC Yes SMD Type Receiver Yes Earphone Jack Yes SIM Socket Yes SIM Block Type 3 0V 1 8V Volume Key Push Ty...

Page 7: ...0 60 C Storage Temp 30 85 C Humidity max 85 Item Spec Min Typ Max Unit Power Available power 100 220 240 Vac No 9k 1GHz 39dBm 1G 1710MHz 33dBm 1710M 1785MHz 39dBm 1785M 12 75GHz 33dBm 100k 880MHz 60dBm 100k 880MHz 60dBm 880M 915MHz 62dBm 880M 915MHz 62dBm 915M 1000Mz 60dBm 915M 1000MHz 60dBm 1G 1 71GHz 50dBm 1G 1 71GHz 50dBm 1 71G 1 785GHz 56dBm 1 71G 1 785GHz 56dBm 1 785G 12 75GHz 50dBm 1 785G 12...

Page 8: ...100kHz 0 5dB 200kHz 30dB 200kHz 30dB 250kHz 33dB 250kHz 31dB Due to 400kHz 60dB 400kHz 60dB Output RF modulation 600 1800kHz 66dB 600 1800kHz 60dB Spectrum 1800 3000kHz 69dB 1800 6000kHz 65dB 3000 6000kHz 71dB 6000kHz 73dB 6000kHz 77dB 400kHz 19dB 400kHz 22dB 600kHz 21dB 600kHz 24dB 1200kHz 21dB 1200kHz 24dB 1800kHz 24dB 1800kHz 27dB TU3 150Hz TU1 5 200Hz 5 Due to Switching transient 4 Multipath a...

Page 9: ...ce 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 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 GSM DCS PCS Frequency offset Intermodulation product should be Less than 55dB below the level of Wanted signal Mask IN Intermodulation attenuation 7 8 Tra...

Page 10: ... 1 5 4 5 group 10equal command group 1 8 12 5 Minimum Output Power 50dBm 3 84MHz 6 Out of synchronization handling of output power Qin Qout DPCCH quality levels Toff DPCCH lor 22 28dB Ton DPCCH lor 24 18dB 7 Transmit OFF Power 56dBm 3 84M 8 Transmit ON OFF Time Mask 25us PRACH CPCH uplink compressed mode 9 Change of TFC 25us power varies according to the data rate DTX DPCH off minimize interferenc...

Page 11: ...erer 40dBc 41dBc 10MHz 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 3 Receiver GSM Mode No GSM850 900 DCS PCS 1 105dBm 105dBm 2 C Ic 7dB C Ic 7dB 3 Adjacent Channel 200kHz C Ia1 12dB C Ia1 12dB Rejection 400kHz C Ia2 44dB C Ia2 44dB 4 Wanted Signal 98dBm 1 st interferer 44dBm 2 st interferer 45dBm Want...

Page 12: ...utput power class3 44dBm 3 84MHz 15MHz UE 20dBm output power class3 44dBm 3 84MHz f 2050 2095 2185 2230MHz band a UE 20dBm output power class3 30dBm 3 84MHz f 2025 2050 2230 2255MHz band a UE 20dBm output power class3 15dBm 3 84MHz f 1 2025 2255 12500MHz band a UE 20dBm output power class3 6 Spurious Response 44dBm CW UE 20dBm output power class3 7 Intermodulation Characteristic 46dBm CW 10MHz 46d...

Page 13: ...q Tolerance 9 Carrier Frequency Drift Freq Range Operating Standby 30MHz 1GHz 36dBm 57dBm Above 1GHz 12 75GHz 30dBm 47dBm 1 8 1 9GHz 47dBm 47dBm 5 15 5 3GHz 47dBm 47dBm Power density 20dBm per 100kHz EIRP Option 2dB step size 8dB fmax fmin below the level of 30dBm 100khz BW within 2 4GHz 2 4835GHz 10 1 slot 25kHz 3 slot 40kHz 5 slot 40kHz Maximum drift rate 20KHz 50usec Specification Out of Band S...

Page 14: ...z interference C I 3MHz 40dB Adjacent 3MHz interference to in band 9dB mirror frequency C I image 1MHz 20dB interfering Signal Frequency Power Level 30MHz 2000MHz 10dBm 2000MHz 2400MHz 27dBm 2500MHz 3000MHz 27dBm 3000MHz 12 75GHz 10dBm 5 Intermodluation Performance 6 Maximum Input Level BER 0 1 wanted signal 67dBm BER 0 1 wanted signal 64dBm static sinwave signal at f1 39dBm a BT modulated signal ...

Page 15: ...mA 180 Min 300 mA 125 Min 380 mA DRX 2 56 Tx 12dBm Tx 12dBm 250 Hours 3 4 mA 180 Min 300 mA paging 5period Tx Max WCDMA GSM 2 5 RSSI GSM WCDMA BAR 7 Æ 5 91 2dB 91 2dB BAR 5 Æ 4 96 2dB 104 2dB BAR 4 Æ 2 99 2dB 109 2dB BAR 2 Æ 1 102 2dB 111 2dB BAR 1 Æ 0 104 2dB 112 2dB 2 6 Battery Bar Indication Voltage BAR 3 2 3 80 0 05V BAR 2 1 3 75 0 05V BAR 1 Icon Blinking 3 65 0 05V Low voltage warning message...

Page 16: ...ess Rating RLR 4 Echo Loss EL 40dB over refer to TABLE 30 3 Receiving Distortion RD refer to TABLE 30 4 17dB over 8 3dB 64dBm0p under 8 Idle Noise Receiving INR MS 7 Idle Noise Sending INS Sending Distortion SD 40dB over Sending Distortion SD refer to TABLE 30 3 25dB over refer to TABLE 30 4 15 Idle Noise Sending INS 55dBm0p under 16 Idle Noise Receiving INR HEAD SET Receiving Distortion RD 17 TDM...

Page 17: ...te Voltage 4 2V Charging Current 500mA Await mode In case of During a Call should be kept 3 9V GSM It should be kept 3 9V in all power level WCDMA It will not be kept 3 9V in some power level Extend await mode At Charging prohibited temperature 0 C under or 45 C over GSM It should be kept 3 7V in all power level WCDMA It will not be kept 3 7V in some power level ...

Page 18: ...SP megacell is clocked at 208 MHz The DSPSUB includes an AHB master and an AHB slave interface The AHB master provides a direct access to the Internal Random Access Memory IRAM in the EGG core through the AHB The AHB slave interface allows the CPU and the DMA to access in the program and data RAM residing in the DSPSUB y Multi media Processor MMIC ZR3453X The ZR3453X is an advanced multimedia copr...

Page 19: ...x RF_CTRL_CLK RF_CTRL_DATA TIM GEN SER CON CLK CON VA DFSE GSM CRYPTO 16 32 3 32 3 32 3 32 3 32 3 16 26 MHz 16 16 32 3 16 16 TXIF RXIF RFIF 32 4 32 3 32 3 32 4 16 16 16 TX_ADC_STRB 26 MHz 100 mohm 25 mohm uP SAFETY VBAT BDATA BATTERY GND IMEAS VMEAS S D ADC CHREG CHSENSE CHSENSE FGSENSE FGSENSE DCIO VBUS UART BDATA I2C VBAT TRICKLE VBAT DCIO Battery DCIO DET USB DET USB CHRG CONTROL DCIO CHRG CONT...

Page 20: ...mory area A TU750 y 2Gb NAND flash memory 1G SDRAM Table 3 1 1 External Memory Interface Spec of TU750 Figure 3 1 2 External Memory Configuration of TU750 Device Part Name Maker Item Time Size Speed Program speed 200µs 1Page 2K 64 Bytes 10 32MByte s Erase speed 1 5ms 1Block 128K 4K Bytes 88MByte s NAND flash KAL00900BM DJ55 Samsung y Data Communication IrDA SIR UARTs ACB EDB RS232 Slave USB y Pack...

Page 21: ...Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 3 1 3 Hardware Architecture A Block Diagram Figure 3 1 3 Access system of Ericsson DB3200 26 MHz ARB 26 MHz ...

Page 22: ...OR NAND APEX RAM APEX ROM AHB3 DMA1 55 55 55 From Access system Video Encoder AHB5 V Enc Video Encoder ARB ARB EMIF Arbiter SDRAM NOR AHB Periph INTCON 32 2 MS PRO 8 32 Boot ROM 32 AHB2AHB ARB 52 MHz AAIF RAM AAIF RAM V ENC RAM0 V ENC RAM0 NOR PSRAM NAND IF ARB AHB Slave ARB AHB Slave ARB AHB Slave AHB Master AHB Slave ARB DMA CORE 40 Channels Requests AHB BUS IF AHB Master AHB Slave AHB Master 52...

Page 23: ... which provide a simple interface to support different timing and memory access arrangements D DSP Hardware Subsystem The Digital Signal Processor Subsystem DSPSUB includes a DSP megacell which contains the DSP CPU together with a tightly coupled memory The DSP is the Ceva X 1620 core with a 64 kB instruction RAM and a 64 kB data RAM It also contains debug logic and interfaces In addition to the m...

Page 24: ...rol registers 3 1 4 RF Interface A DB3200 Interface DB3200 controls GSM RF part using these signals through GSM RF chip Gimli y RF_DATA_A y RF_DATA_B y RF_DATA_C y RF_DATA_STRB Figure 3 1 5 Schematic of DB3200 RF Interface B WCDMA Radio Link Interface y RF_WCDMA_PA_0_EN y RF_WCDMA_PA_1_EN y RF_WCDMA_DCDC_EN y RF_WCDMA_PWRDET_EN Figure 3 1 6 Schematic of WCDMA RF Interface D15 TX_ADC_STRB B15 RF_DA...

Page 25: ...Interface UART signals are connected to DB3200 GPIO through IO connector Table 3 1 3 UART Interface SIM card async sync reset SIMRST0 SIM card reference clock SIMCLK0 SIM card bidirectional data line SIMDAT0 SIM Interface between DBB and ABB VDD DAT CLK CARD RST SIMVCC AB3100 SDAT SIMDAT SCLK SIMCLK SRST SIMRST DB3200 SIMDAT0 SIMCLK0 SIMRST0 VDDE 10K 10K UART1 ACC Transmit Data ACC_UART0_TX ACC_GP...

Page 26: ...C_GP_SPI_BT_CSn 26 High Input N C 25 High Input N C 24 High Input N C 23 Low Output ACC_SPI_OUT_CLK 22 Low Output ACC_SPI_DO 21 Low Input ACC_SPI_DI 20 High Input N C 19 Low Input ACC_USB_HS_DATA 3 18 Low Output ACC_GPS_START 17 Low Output ACC_GP_USB_CS 16 Low Output ACC_GP_LDO_3V1_EN 15 High Input N C 14 Low Output ACC_UART_RTS 13 Low Input ACC_UART_CTS 12 Low Output ACC_UART3_TX 11 Low Input ACC...

Page 27: ... APP_GP_USW_INT 19 High Output APP_GP_MMP_PWREN 18 Low Output APP_GP_MOTOR_EN 17 Low Output APP_GP_LCD_PWREN 16 Low Output DCON Dedicated 15 High input APP_GP_USW_SDA 14 High Output APP_GP_USW_SCL 13 Low Output APP_GP_ELDCDC_EN 12 Low Input APP_MMC_FB_CLK 11 High Output APP_GP_SUBPM_RST 10 High Input N C 09 Low Input APP_GP_3AXIS_INT 08 Low Input APP_GP_MMP_INT 07 High Output APP_GP_MMP_RST_n 06 H...

Page 28: ...e Only 3 TECHNICAL BRIEF Table 3 1 5 MMIC APP GPIO Map Table Low Output MMP_FLASH_INH Low Output MMP_FLASH_SET Low Output MMP_FLASH_EN Low Output MMP_CAM_PWDN Low Output NC Low Output MMP_CAM_RESET_N Low Output MMP_CAM_PWREN Low Output CI_VSYNC Low Output NC Low Output CI_VSYNC_WITHOUT_FF Initial State I O Name ...

Page 29: ...within the USB block and is read written from the endpoint FIFO using DMA transfers or FIFO register access High speed high throughput endpoints can use DMA while slower endpoints can use FIFO register access The USB block can request up to six DMA channels three for IN endpoints and three for OUT endpoints Table 3 1 6 USB Signal Interface of DB3200 USB data7 USB_DAT7 USB chip select USB_CS_PD USB...

Page 30: ...B_HS_DATA 7 ACC_USB_HS_DATA 6 ACC_USB_HS_DATA 5 ACC_USB_HS_DATA 4 ACC_USB_HS_NXT ACC_USB_HS_IN_CLK ACC_UART0_TX USB_DATA 0 USB_DATA 2 USB_DATA 1 10V USB Transceiver for High Speed 1 C609 smd_0603h_3_r 0 1u C607 4 7u TP672 R607 12K TP671 VBAT 4 7u C602 R601 51K C608 0 1u smd_0603h_3_r 1K R604 TP673 0 1u C601 REF1V8 E3 REG3V3 C2 RREF STP D6 TEST C4 F4 VBUS VCC F3 B5 VCC_IO1 VCC_IO2 B2 F5 XTAL1 XTAL2...

Page 31: ...is a magnet to detect the slide module status up or down If a magnet is close to the hall effect switch U101 the voltage at Pin 4 of U101 goes to 0V Otherwise 1 8V This SLIDE_DET signal is delivered to DB3200 ACC_GP_FLIPSENSE Figure 3 1 10 Slider On Off Detector REV B SLIDE DETECT U101 BU52031NVX 2 GND 3 NC OUT 1 5 PGND 4 VDD C112 0 1u VDDE_1V8 C109 0 1u ACC_GP15_FLIPSENSE ...

Page 32: ...nly in half duplex mode C PCM Interface The PCM interface is used to send audio to and from the Bluetooth module The interface is a synchronous interface using a PCM clock and a PCM sync signal for synchronization Two data signals are used for data one in each direction The PCM clock signal operates at frequencies as high as 1 MHz The word length of the audio data can be 8 or 16 bits Furthermore t...

Page 33: ...zation Two data signals are used for data one in each direction The PCM clock signal operates at frequencies as high as 1 MHz The word length of the audio data can be 8 or 16 bits Furthermore the PCM interface has a function known as MP PCM which is an addressing scheme used to have more than two devices talking on the bus To add this function the data pins have to be bi directional Additionally t...

Page 34: ...ded Inquiry Response EIR Link Supervision Time Out LSTO Secure simple pairing Sniff subrating Quality of Service QoS Packet boundary flag Erroneous data delivery Channel Quality Driven Data Rate CQDDR Power Class 2 and Power Class 1 5 above 4 dBm transmit power HCI H4 and enhanced H4 Transport Layer Implements Pitch Period Error Concealment PPEC Fully flexible support for a wide range of WLAN and ...

Page 35: ...L2 L2 to L3 Rev 1 0 Rev 1 1 on L1 L2 and L3 Rev B 0 1u C777 C717 220n 220n C729 VDDK_2V75 220n C732 VDDE_1V8 VSS_BT_RF R710 0 smd_0603h_25_r CN704 1 VSS_BT_ANA VSS_BT_ANA VSS_BT_ANA DEA212450BT 7043C1 FL702 5 BP1 4 BP2 BP_DC 2 3 G1 6 G2 1 U_BP C719 0 1u VDDE_1V8 smd_0603h_3_r C730 220n C6 VSSANA3 VSSDIG1 E3 E4 VSSDIG2 VSSRF1 A2 VSSRF2 A5 C5 WAKEUP B5 TEST1 TEST2 A6 G4 UART_CTS UART_RTS F4 F5 UART_...

Page 36: ...command VDDG_2V75 always supply power If card is removed REAL_MICROSD_DAT3 pin changes high Figure 3 1 12 MicroSD card and Schematic of MicroSD card Interface MicroSD card Interface MICROSD_CMD Command Response MICROSD_CLK Clock MICROSD_DAT Data line VDDG_2V75 Supply voltage from AB3100 internal LDO VDDG_2V85 R805 100K D2 DAT0B C5 DAT0_DIR C1 DAT123_DIR A2 DAT1A DAT1B D1 DAT2A B4 C4 DAT2B DAT3A A4...

Page 37: ... then ONSWA_n signal is changed to Low d AB3100 initiates the internal oscillator and powers on the regulators e AB3100 generates a power for DB3200 f AB3100 releases the power reset signal PWRRST_n and generates an interrupt IRQ0_n to DB3200 Figure 3 1 13 Power On Sequence DB3200 RESPOW_N IRQ0_N AB3100 PWRRST IRQ ONSWA e Power for DB3200 f PWRRST_n f IRQ0_n c ONSWA_n c Press END key d ...

Page 38: ...5 4 KEYOUT2 OK SEND MULTI 3 2 1 KEYOUT1 KEYOUT0 KEYIN5 KEYIN4 KEYIN3 KEYIN2 KEYIN1 KEYIN0 Figure 3 1 14 KEY CIRCUIT SIDE UP KEYOUT5 GND SIDE DOWN HOME 0 KEYOUT4 FOCUS 9 8 7 KEYOUT3 CLEAR CAMERA 6 5 4 KEYOUT2 OK SEND MULTI 3 2 1 KEYOUT1 KEYOUT0 KEYIN5 KEYIN4 KEYIN3 KEYIN2 KEYIN1 KEYIN0 3 5 7 1 4 8 HOT4 6 9 NUMBER_KEY 0 HOT5 2 109 108 2 4 6 8 1 3 5 7 RA101 10K 103 102 101 105 107 HOT102 104 VDDE_1V8...

Page 39: ...and service purposes 3 TECHNICAL BRIEF Figure 3 1 15 Touch button and Touch screen connector I2C interface TOUCH_CONNECTOR Rev 1 0 R906 4 7K TOUCH_3 1V 4 7K R907 13 14 2 3 4 5 6 7 8 9 15 16 17 18 CN901 1 10 11 12 ICVN0505X150FR VA907 TOUCH_SCREEN_INT TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA I2C interface ...

Page 40: ...1 D2 D3 D4 D5 G S1 S2 TP107 Q900 SIA450DJ 0 1u C904 C905 TP112 VREG_6 1V 150p TP109 R913 100K OUT905 OUT911 TOUCH_3 1V OUT908 OUT914 OUT902 R915 56K OUT903 C906 0 1u TOUCH_3 1V TP902 RF051VA2S D901 TP106 OUT904 TP108 TP111 VREG_6 1V 0 1u C907 OUT907 OUT900 EL_G2 OUT909 OUT913 TOUCH_3 1V 2 2u C902 _POL OUT912 HVOUT4 HVOUT5 8 HVOUT6 7 6 HVOUT7 5 HVOUT8 4 HVOUT9 NC1 13 NC2 16 NC3 18 23 NC4 25 NC5 33 ...

Page 41: ...ad II are location based services and the localization of emergency calls for cellular systems according to for example the E911 mandate In conjunction with the appropriate software and driver integrated on the cellular host the Hammerhead II system realizes the complete functionality for mobile assisted mobile based and or autonomous GPS operation By integrating the signal processing functionalit...

Page 42: ...nH 0 1u C710 C724 smd_0603h_3_r10p VGPS_2V8 VDDE_1V8 VGPS_2V8 2 2u C709 DNI R707 smd_0603h_3_r 0 1u C741 2 2u C735 DNI R706 4 VCONT 1 100K R705 X701 19 2MHz GND 2 3 OUT VCC VGPS_1V8 VGPS_2V8 1u C714 C723 1u C701 DNI DNI C703 R704 100K VDDE_1V8 smd_0603h_3_r 0 1u C722 1 R703 10 CN701 C712 smd_0603h_3_r C708 0 1u F7 VSS_DIG1 B1 D2 VSS_DIG2 VSS_DIG3 D5 VSS_DIG4 D7 E4 VSS_LNA VSS_RF1 E5 VSS_RF2 G4 smd...

Page 43: ...rator Module GAM subsystem provides hardware support in the creation of visual imagery and the transfer of this data to the display GAM also provides support for the camera module The visual data could be graphics still images or video The GAM subsystem consists of five modules y GRAM graphics memory 160 kB y GAMCON GAM controller y GRAPHCON graphics controller y PDI SSI programmable display inter...

Page 44: ... required to transfer a VGA 640 by 480 pixels image from the camera data interface CDI over DMA at 100 MBit s within a 50 ms timeframe The GRAM is used as a buffer but the average transfer bandwidth required is approximately 3 Mword s 32 bit word that is 12 MByte s C Graphics Controller GRAPHCON Block GRAPHCON is controlled by the application CPU and can perform operations on pixels and image area...

Page 45: ...ormat on the data bus is YUV 4 2 2 raw binary image data according to the CCIR 656 standard A function within the CDI can be programmed to reorder the YUV parameters as they pass through the CDI In addition the CDI is able to detect the end of an image and perform some truncation as well as overflow conditions There is nothing preventing the use of other data types such as JPEG or RGB as long as t...

Page 46: ...25 26 27 28 29 3 30 31 32 33 34 4 5 6 7 8 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 CN401 1 10 FB402 INOUT_A1 1 2 INOUT_A2 3 INOUT_A3 INOUT_A4 4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 C420 10p FL403 ICVE10184E070R100FR G1 5 G2 10 10 R408 10p C419 CAM_VDD_AF_2V8 10 R406 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 4 INOUT_A4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 FL401 ICVE10184E070R100FR 5 G1 10 G...

Page 47: ...CAL BRIEF Figure 3 2 4 VGA LCD FPCB Connector ENBY0019501 AXK720147G VGA_VDD_1 8V VGA_VDD_2 8V 3 4 5 6 7 8 9 G1 G2 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 20 CN104 0 1u C103 0 1u C1006 C102 0 1u CI_D5 CI_HSYNC CI_RES_n CI_VSYNC CI_D6 CI_D7 APP_I2C_SDA APP_I2C_SCL CI_D3 CI_D1 CI_D4 CI_D2 ACC_GP21_VC_IO_OFF SYSCLK0 CI_PCLK CI_D0 ...

Page 48: ...signal horizontal sync signal reset signal and 8bits YUV data from camera module The camera module is controlled by I2C port Table 3 2 2 Interface between VGA Camera Module Table 3 2 1 Interface between Main board and 5M camera Pin Symbol Symbol Pin 1 MMP_CAM_MCLK CAM_AVDD_2 8V 34 2 GND GND 33 3 MMP_CAM_PCLK CAM_VDD_1 8V 32 4 GND CAM_VDD_1 8V 31 5 5M_CAM_DATA 0 GND 30 6 5M_CAM_DATA 1 MMP_CAM_RESET...

Page 49: ...D_2V8 6 PGND 9 VIN 1 VOUT1 8 7 VOUT2 U401 RT9011 MGPQW 2 EN1 EN2 3 5 GND NC1 4 NC2 1u C425 1u C427 CAM_VDD_1V8 C424 1u VBAT 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 U402 R1114D281D TR F CAM_VDD_AF_2V8 smd_0603h_25_r 100K R429 VBAT C426 1u MMP_CAM_PWREN MMP_CAM_PWREN C503 1u SSENS F3 A1 T1 A6 T2 T3 F6 F1 T4 F4 VBAT1 VBATCP B5 VBATLDO E1 E6 VIO B4 VOUT WPWMIN D1 GC1 E4 E3 GC2 LDO1O F2 LDO2O E2 D2 LED1 C...

Page 50: ...DI Parallel Data Interface in DB3200 Figure 3 2 7 LCD module Connector pin 3 set High CF750 MAIN B pin 3 5 L L H H H L Rev 1 0 Rev 1 0 smd_0603h_3_r 0 1u C908 4 7K R902 0 1u C901 0 1u C900 ICVN0505X150FR VA905 VDD_LCD_2 6V 5 6 7 8 9 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 4 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 VDDE_1V8 CN900 ICVN0505X150FR VA906 R904 51K APP_GP12_LCD_ID LCD_RESET_N_OU...

Page 51: ...52 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 3 2 6 LCD Module Block diagram Figure 3 2 8 LCD Module Block diagram ...

Page 52: ...3 2 9 SUB PMIC Circuit LCD Backlight C503 1u SSENS F3 A1 T1 A6 T2 T3 F6 F1 T4 F4 VBAT1 VBATCP B5 VBATLDO E1 E6 VIO B4 VOUT WPWMIN D1 GC1 E4 E3 GC2 LDO1O F2 LDO2O E2 D2 LED1 C2 LED2 LED3 C1 LED4 B1 LED5 B2 A2 LEDFL B3 LEDGND RESETB C4 SBIAS F5 D5 SCL D4 SDA E5 SGND BD6095GUL U502 C1N D6 C5 C1P C6 C2N C2P B6 C3N A4 C3P A5 A3 CPGND FLASHCNT D3 10u C501 D501 RB521CS 30 0 1u C505 TP504 VBAT VDD_VGA_1V8...

Page 53: ...It allows measurements of acceleration in perpendicular axes as well as absolute temperature measurement If Motion is detected then interrupt is issued to CPU and CPU read its motion value by I2C SMB_SDA SMB_SCL interface Rev H R807 390 CSB 5 GND 3 4 INT NC1 1 1 0 NC2 11 NOT1 NOT2 12 SCK 6 8 SDI 7 SDO VDD 2 VDDIO 9 C804 U801 BMA150 22n VDDH_SMB_2V75 VDDE_1V8 0 1u C803 APP_GP_3AXIS_SDA APP_GP_3AXIS...

Page 54: ...hen transmit it to DBB Chip DB3200 This transmitted signal is reformed to fit in GSM WCDMA Frame format and delivered to RF Chip The downlink path amplifies the signal from DBB chip DB3200 and outputs it to Receiver or Speaker The audio interface consists of PCM encoding and decoding circuitry microphone amplifiers and earphone drivers The PCM encoder and decoder blocks are two channel 16 bit circ...

Page 55: ...u FB302 1u C342 47n C358 TP309 24K R316 0 1u smd_0603h_3_r C330 C2 INB2 C1 OUT D5 OUT B5 PGND C4 PVDD C5 D4 RXIN RXIN B4 C3 SCL B3 SDA VDD B1 VSS A3 U302 MAX9877AEWP_TG45 BIAS B2 A4 C1N A5 C1P GND D3 A2 HPL A1 HPR D2 INA1 D1 INA2 INB1 1u C333 22p C327 TP307 VBAT C357 47n 1u C336 C345 1u 0 1u smd_0603h_3_r C329 TP310 C351 0 015u 47n C341 0 1u 0 1u C360 smd_0603h_3_r C332 C348 0 015u 1u 3300p C346 C...

Page 56: ...ice call Midi MP3 Each states is sorted by the total 7 Modes according to external Devices Receiver Loud Speaker Headset Table 3 3 1 Audio Mode Voice call MIDI MP3 Receiver Mode Loud Speaker Mode Headset Mode Only Loud Speaker Loud Speaker Mode Headset Mode Mode In Out Port OUT IN MIC1P MIC1N BEARP BEARN SPKRP SPKRN AUXO1 AUXO2 AUXO1 AUXO2 MIC1P MIC1N MIC2P MIC2N SPKRP SPKRN SPKRP SPKRN ...

Page 57: ...the digital PGAs and the receive band pass filter the next step in the CODEC receive path Thereafter the signals pass the digital to analog converters DACs and then the signal is fed to the analog RX PGAs which precedes the output amplifiers BEARP N SPKRP N AUXO1 2 The analog RX PGAs and analog output amplifiers can be individually completely powered down The DAC RX filter digital RX PGA and digit...

Page 58: ...all Uplink Mode Receiver Speaker Headset From the audio path view point voice call has the structure as Fig 3 3 5 Each Voice Uplink Mode paths shown below Receiver Mode MEMS MIC SPU0410HR5H ÆABB chip AB3100 Input MIC1N 1P Loud Speaker Mode MEMS MIC SPU0410HR5H Æ ABB chip AB3100 Input MIC1N 1P Headset Mode Headset MIC ÆABB chip AB3100 Input MIC2N 2P When the headset is inserted USW_ID_ADC Circuit D...

Page 59: ... 6 MP3 Audio Player This section provides a detailed description of the MP3 file functions Figure 3 3 7 MP3 Scheme MP3 function supports PCM 44 48KHz sampling rate The PCM44 48 RX path is intended to be used as a audio amp and one speaker In Figure 3 3 6 External MIDI path is the same as Voice Loudspeaker downlink Mode except source in Audio System DSP and Audio Mixer MIDI DBB chip DB3200 Æ PCM De...

Page 60: ...se Only 3 TECHNICAL BRIEF 3 3 7 Audio Main Component There are 4 components in TU750 schematic Diagram Part Number marked on TU750 Schematic Diagram Table 3 3 2 Audio Component List MAXIM MAX9877 Audio AMP 3 KNOWLES ACOUSTICS SPU0410HR5H MIC 2 기린 Keyrin 1812 8T 01PP Speaker Receiver 1 MAKER PART NUMBER ITEM NO ...

Page 61: ... within the range of the GPADC Additionally the die temperature can be measured The ADC can operate in different modes and the different functions are set through I2C All operations are started on the rising edge of the internal strobe signal ADSTR which can be copied to the ADC output pin ADOUT This signal is generated by an I2C MUX write or by the AUTOADC controller running in the background The...

Page 62: ...ntial pair USB charging path Phone ground return path C352 0 1u N5 VSS_BEAR VSS_SPKR M7 D7 VSS4 VSS3 D6 VDD_REF P7 VDD_SPKR VREF A13 VSS1 D4 VSS2 D5 VBAT_D E2 VBUS VDD_AUDIO P13 VDD_AUXO P3 P6 VDD_BEAR A12 VDD_IO G1 SPARE1 B10 SPARE2 A2 TEST D12 TRICKLE F2 G2 F1 J2 DCIO_INT FGSENSEN J13 FGSENSEP J14 A14 IREF H3 CHREG CHSENSEN H2 CHSENSEP H1 C4 DAC_CLK C5 DAC_DAT DAC_STR B5 DCIO A11 BDATA 0 1u VBAT...

Page 63: ...istor R_FGSENSE is connected in series with the battery The voltage across the resistor equivalent to the current entering leaving the battery is integrated using an ADC block Name Type Unused Description FGSENSEP Analog VBAT Fuel gauge current sensing input positive FGSENSEN Analog VBAT Fuel gauge current sensing input negative Table 3 5 2 Fuel Gauge channel spec Fig 3 5 4 The Schematic of the fu...

Page 64: ...ADC This battery data is converted to the battery temperature Fig 2 5 5 shows the schematic of battery temperature measurement part Name Type Unused Description BDATA Digital Input Output Unconnected current output Table 3 5 3 BDATA channel spec Fig 3 5 5 Battery Temperature Measurement Discharging KDS221E_RTK D303 3 A1_C2 2 A2 1 C1 C334 22p R319 300K C340 22p 33u C335 BDATA VBAT_D M2 SRST_N G2 SC...

Page 65: ...ll parts of the charging block are functional and active Battery block indication as shown in Fig 2 5 7 Fig 3 5 7 Battery Block Indication 4 2000 3 864 100 63 4 2000 3 864 62 39 4 2000 3 864 38 6 4 2000 3 864 6 0 Charging Route as a differential pair Discharging USB charging path VDD_REF P7 VDD_SPKR VBAT_D E2 VBUS VDD_AUDIO P13 VDD_AUXO P3 P6 VDD_BEAR G1 TRICKLE F2 G2 F1 J2 DCIO_INT FGSENSEN J13 H...

Page 66: ...g When the VBAT voltage is within limits or the internal regulators are turned on the current source for trickle charging is turned off and all parts of the charging block are active The charging method is CCCV Constant Current Constant Voltage This charging method is used for Lithium chemistry battery packs The CCCV method regulates the charge current and the VBAT voltage This charging method pre...

Page 67: ...oltage 5 1V Charging time Max 2h 30min Full charge indication current icon stop current 80mA Low battery POP UP Idle 3 52V Dedicated 3 48V Low battery alarm interval Idle 3 min Dedicated 1 min Cut off voltage WCDMA call 3 2V ELSE 3 2V Charging of Extended Temperature When the battery temperature is outside the normal charging specification the battery voltage VBAT is maintained at 3 7V Under 0 C E...

Page 68: ...ed for its load When the analog baseband controller boots up or down internal signals activate or deactivate the LDO regulators and the BUCK converter In active mode the LDO regulators and the BUCK converter are activated and deactivated through I2C The low power regulator is on all the time and has extremely low power consumption with limited output current It provides power for the 32 kHz oscill...

Page 69: ...O PA PA GSM850 900 Input DCS PCS Input ESD 2 75 V VRAD LNA LNA LNA LNA LNA A D A D 0 90 LPF ChP PhD N M VCO LPF ChP PhD N M 0 90 DAC DAC XO DAC VCO VCO LNA LNA WCDMA LB WCDMA HB WCDMA HB WCDMA HB CLK DATA STROBE Serial Control WTxQB WTxQA WTxIB WTxIA GSM EDGE AM DAC RFCtrl1 RFCtrl2 RFCtrl1 RFCtrl2 GSM EDGE HB GSM EDGE LB WCDMA LB WCDMA HB WCDMA HB GSM EDGE LB GSM EDGE LB GSM EDGE HB GSM EDGE HB WR...

Page 70: ... CDMA transceiver uses differential analog in phase and quadrature phase interfaces that is an IQ interface both in the receiver and transmitter information path The transceiver has the following general features Power class Power class 3 24dBm in Band II V Zero IF Receiver No IF filter needed Direct IQ modulation transmitter Figure 3 7 2 WCDMA RF structure ...

Page 71: ... supply voltage and bias of the power amplifier are adapted depending on the output power to achieve high efficiency at every transmitter power level A high efficiency DC DC converter regulates the supply voltage and the bias operation point is controlled by a D A converter in the W CDMA radio circuit These DACs are controlled through the 3 wire bus GSM EDGE PA Ant Sw ANT VAPC RADCLK RADDAT RADSTR...

Page 72: ...19 NA C154 DNI DNI C146 1800 FB101 R114 4 7K R123 270 VDDA_2V8 C145 15p L116 NA 5 6nH R149 NA L109 R134 R113 DNI 0ohm_0603_case1_dni C136 VRAD_2V8 DNI 1u R143 DNI 270 R126 NA L112 VDIGRAD_1V8 2 2nH L107 L108 0 5p CE 3 2 GND PGND 5 4 VDD VOUT 1 L117 RP101K282D U106 39nH DNI C140 C148 3 3p 33p C153 VBAT 0 R146 L106 3 3nH DNI R131 GND1 2 GND2 7 3 GND3 8 GND4 5 GND5 GND6 10 IN_881_5 1 IN_942_5 4 OUT_8...

Page 73: ... process that provides for all positive voltage DC supply operation while maintaining high efficiency and good linearity Primary bias to the SKY77175 is supplied directly from a three cell Ni Cad a single cell Li Ion or other suitable batteries with outputs in the 3 1 to 4 6 volt range Power down is accomplished by setting a logic low level on the VEN pad No external supply side switch is needed a...

Page 74: ...receive interface is based on I and Q data and the transmitter interface is based on envelop and frequency data The quad band EDGE GSM GPRS transceiver has the following general features Power class GMSK low bands Class 4 33 dBm GMSK high bands Class 1 30 dBm 8PSK low bands Class E2 27 dBm 8PSK high bands Class E2 26 dBm Multi slot class 12 4 4 5 Dual Transfer Mode DTM class 9 3 2 5 Zero IF receiv...

Page 75: ... 76 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF A Transmitter Part B Receiver Part C Synthesizer ...

Page 76: ...des receive band selectivity In GSM GRPS EDGE systems transmit and receive operations are divided in time and the switch connects the proper block in accordance with the mode of operation that is transmit or receive one at a time In WCDMA the transmit outputs from the WCDMA transceiver are filtered by an external SAW filter that cleans up the spectrum The SAW filter output is connected to the powe...

Page 77: ...Block Diagram Figure 3 7 10 Front End part schematic REV 1 1 Rev F REV 1 1 Rev E GSM PAM WITH ASM 27p C122 G1 G2 C121 22nH SW101 KMS 518 A C DNI smd_0603h_25_r_na R106 22p smd_0603h_3_r C126 22p smd_0603h_3_r C124 34 PGND4 RSVD 10 RX1 16 15 RX2 RX3 14 13 RX4 4 VAPC VBATT 5 WCDMA1 18 19 WCDMA2 WCDMA3 20 _TXEN 8 29 GND12 GND13 30 11 GND2 GND3 12 21 GND4 GND5 22 23 GND6 GND7 24 25 GND8 GND9 26 1 HB_R...

Page 78: ...hree wire serial bus The digital baseband controller also manages PA band control and the antenna switch mechanism in the front end module The 26 MHz VCXO clock residing in the GSM EDGE transceiver is turned on only when required the digital baseband controller initiates this The EDGE GSM GPRS RF system requires control which is temperature dependent The temperature within the RF system is estimat...

Page 79: ...AR OK ZD1 ESD9X5 0ST5G INSTPAR D900 RB521S 30 CLR ZD2 ESD9X5 0ST5G INSTPAR END R900 10K 10K R901 KEYOUT1 KEYOUT2 KEYIN4 ONSWA_n ONSWA_n KEYIN5 KEYIN4 KEYOUT2 KEYOUT1 KEYIN5 TP01_BB END TP01_ BB END 1608 Local ground plane Close to AB BLM18PG121SN1J Parallel with VCORE REV F REV F 2 8 2 6 1 0 0 7A 240mohm 20 120ohm 1608 2A 50mohm Bead Use multiple via B1 VSS_BUCK VBUCK C1 L1 SIMLDO_OUT K13 LDOA_OUT...

Page 80: ...CC F3 B5 VCC_IO1 VCC_IO2 B2 F5 XTAL1 XTAL2 F6 smd_0603h_3_r A5 A6 DATA5 DATA6 B6 C6 DATA7 E5 DIR DM C1 D1 DP FAULT E2 GND1 C5 D2 GND2 GND3 E4 D3 ID NC1 F1 F2 NC2 D5 NXT PSW_N D4 E6 U602 CFG0 E1 B4 CFG1 CFG2 B3 CHIP_SEL C3 A4 CLOCK DATA0 B1 A1 DATA1 DATA2 A2 A3 DATA3 DATA4 C612 ISP1508AET 2 2u VDDE_1V8 C610 smd_0603h_3_r 0 1u 4 7u C611 USB_DATA 0 ACC_USB_HS_STP USB_XTAL1 VBUS USB_DM USB_DP ACC_GP_U...

Page 81: ...control path Asta generates SIM interface signals 1 8V level to AB3000 AB3000 converts SIM interface signals to 2 75V SIM work well Finish Yes Finish Yes START Yes Reconnect SIM card Resolder J201 on main PCB and check the contact between J201 and SIM card Change main board SIM work well Finish N o N o SIM work well N o Change SIM card SOCKET PCB SIM Connector J201 ...

Page 82: ...ell START Yes Re insert MicroSD card Check operation of MicroSD card using other notebook or PDA No MicroSD work well Change the MicroSD No Yes FINISH Finish VA805 EVLC18S02003 EVLC18S02003 VA802 EVLC18S02003 VA804 VA801 EVLC18S02003 J801 CLK 5 CMD 3 DAT0 7 8 DAT1 1 DAT2 2 DAT3 9 GND1 10 GND2 11 GND3 GND4 12 VDD 4 VSS 6 VA803 EVLC18S02003 EVLC18S02003 VA806 VDDG_2V85 MICROSD_CMD_2V85 MICROSD_DAT2_...

Page 83: ...ectronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 5 Keypad Touch Button and Touch Screen Trouble 4 5 1 Keypad Trouble 1 If one of the side key is short with other signal or pressed some key is not work 603 ...

Page 84: ... 3 5 7 1 4 8 HOT4 6 9 NUMBER_KEY 0 HOT5 2 109 108 2 4 6 8 1 3 5 7 RA101 10K 103 102 101 105 107 HOT102 104 VDDE_1V8 106 HOT101 110 KEYIN2 KEYIN0 KEYIN1 KEYOUT1 KEYOUT3 KEYOUT2 KEYOUT4 KEYIN3 REV C REV C REV C EVLC14S02050 VA104 VA106 EVLC14S02050 VA103 EVLC14S02050 INSTPAR ZD105 ESD9X5 0ST5G ESD9X5 0ST5G INSTPAR ZD104 ESD9X5 0ST5G INSTPAR ZD103 VA102 EVLC14S02050 VA108 EVLC14S02050 KEYIN3 KEYOUT3 ...

Page 85: ... 86 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 5 2 Touch button and Touch screen Trouble 605 U503 U501 ...

Page 86: ...UTTON SCL LCD_DATA 1 LCD_DATA 2 LCD_DATA 4 LCD_DATA 6 LCD_DATA 3 LCD_DATA 5 LCD_DATA 7 TOUCH_SCREEN_SCL TOUCH_3 1V VDDE_1V8 55 56 57 58 43 44 45 46 47 48 49 50 51 52 53 54 26 27 28 29 30 31 32 33 34 35 36 37 38 23 24 25 APP_GP12_LCD_ID TOUCH_SCREEN_INT TOUCH_SCREEN_SDA TOUCH_SCREEN_SCL LCD_DATA 7 LCD_DATA 5 LCD_DATA 3 LCD_DATA 6 LCD_DATA 4 LCD_DATA 2 LCD_DATA 1 LCD_DATA 0 38 39 4 40 41 42 43 44 5 ...

Page 87: ...fter REV F TP501 C507 smd_0603h_3_r 0 1u A3 A3 A4 A4 C1 B1 C2 B2 B3 C3 B4 C4 B4 GND B3 OE VCCA B2 B1 VCCB U501 TXS0104EZXUR A1 A1 A2 A2 R501 2K VDD_LDO_3V1 VDDE_1V8 TP503 2 2K R502 smd_0603h_3_r C510 0 1u R503 2 2K APP_GP_TOUCH_SCREEN_INT TOUCH_RST IN_TOUCH_SCREEN_SDA ACC_GP_LDO_3V1_EN IN_TOUCH_SCREEN_SCL TOUCH_SCREEN_INT APP_GP_PAD_SDA APP_GP_PAD_SCL APP_GP_TOUCH_RESET R906 TP12_BB R907 Change Mu...

Page 89: ...UCH_SCREEN_SDA TOUCH_SCREEN_INT LCD_DATA 4 LCD_DATA 6 LCD_DATA 3 LCD_DATA 5 LCD_DATA 7 TOUCH_SCREEN_SCL TOUCH BUTTON INT VDDE_1V8 VDD_LDO_3V1 52 53 54 55 44 45 46 47 48 49 50 51 26 27 28 29 30 31 32 33 34 35 36 37 APP_GP_LCD_ID TOUCH_SCREEN_SDA TOUCH_SCREEN_INT LCD_DATA 4 LCD_DATA 6 LCD_DATA 5 LCD_DATA 7 TOUCH_SCREEN_SCL 38 39 4 40 41 42 43 44 5 6 7 3 CN108 1 2 TOUCH_3 1V TOUCH_SCREEN_SCL TOUCH_BU...

Page 90: ...C_GP_LDO_3V1_EN TP14_BB U503 TOUCHSCREEN Level Shifter REV F TP501 C507 smd_0603h_3_r 0 1u A3 A3 A4 A4 C1 B1 C2 B2 B3 C3 B4 C4 B4 GND B3 OE VCCA B2 B1 VCCB U501 TXS0104EZXUR A1 A1 A2 A2 R501 2K VDD_LDO_3V1 VDDE_1V8 TP503 2 2K R502 smd_0603h_3_r C510 0 1u R503 2 2K APP_GP_TOUCH_SCREEN_INT TOUCH_RST IN_TOUCH_SCREEN_SDA ACC_GP_LDO_3V1_EN IN_TOUCH_SCREEN_SCL TOUCH_SCREEN_INT APP_GP_PAD_SDA APP_GP_PAD_...

Page 91: ...SHOOTING Multikey EL sheet operating voltage generator L900 D901 Q900 C903 R910 or R913 TP17_BB Check the output of C903 Output must be 190V AC about 800KHz Replace U900 10M R910 470pF C903 D1 D2 D3 D4 D5 G S1 S2 Q900 SIA450DJ C905 150p R913 100K TOUCH_3 1V C906 0 1u RF051VA2S D901 VREG_6 1V 2 2u C902 33 SL 100uH L900 100K R912 ...

Page 92: ...amera control signals are generated by Zoran 4 7 1 5M Camera 1 2 START Press END Key to turn on the power Is the circuit powered Reconnect the 5M 34pin B to B connector 5M Camera Operation OK Or C426 2 8V Change 5M Camera Follow the Power On Trouble Shooting Change U401 or Change U402 YES NO YES YES 5M Camera Works NO Change the Main Board NO 1 2 NO C424 1 8V ...

Page 93: ... 94 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 34pin 5M Camera Connector in Main Board CN401 1 ...

Page 94: ... 8V TP18_BB 5M Camera TP19_BB TP18_BB 1 8V U402 C426 TP19_BB 2 8V 5M Camera REV 1 1 1u C423 6 PGND 9 VIN 1 VOUT1 8 7 VOUT2 U401 RT9011 MGPQW 2 EN1 EN2 3 5 GND NC1 4 NC2 1u C425 CAM_VDD_1V8 C424 1u CAM_VDD_AF_2V8 smd_0603h_25_r 100K R429 VBAT MMP_CAM_PWREN MMP_CAM_PWREN TP18_BB CAM_AVDD_2V8 1u C427 VBAT 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 U402 R1114D281D TR F C426 1u MMP_CAM_PWREN TP19_BB ...

Page 95: ...A at TU750 There is the only VGA Connector START Press END Key to turn on the power Is the circuit powered Reconnect the 80pin BtoB connector CN605 and VGA 20 pin Camera Connector VGA Camera Operation OK VGA Camera Operation OK Follow the Power On Trouble Shooting YES NO YES NO Change the Camera LCD FPCB or Soket PCB YES VGA Camera Works Change the Main Board NO NO 1 Change U502 YES NO 2 NO Change...

Page 96: ...pyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 Main Board 80 pin BtoB Connector LCD FPCB 20 pin VGA Connector CN605 CN104 ...

Page 97: ...HCNT D3 10u C501 D501 RB521CS 30 0 1u C505 TP504 VBAT VDD_VGA_1V8 C509 1u 1u C506 VDD_VGA_2V8 VDDE_1V8 C508 1u RB521CS 30 2 2u D502 C502 C504 1u APP_GP_SUBPM_RST APP_GP_SUBPM_SCL APP_GP_SUBPM_SDA SENS WLED_PWR LCD_PWM GAIN1 GAIN2 WLED1 WLED2 WLED3 WLED4 WLED5 SBIAS 98 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTIN...

Page 98: ...Key to turn on the power Is the circuit powered Disconnect and Reconnect the 80pin Main or 44 pin LCD PCB LCD Display OK Follow the Power On Trouble Shooting Change LCD FPCB or Multikey PCB YES NO YES YES NO 1 NO Disconnect and Reconnect the LCD FPCB 44pin and 37pin LCD connector Multikey PCB LCD Display OK The LCD Works Follow the Power On Trouble Shooting Change LCD Module LCD Display OK Change ...

Page 99: ...ght 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING Main Board 80 pin BtoB Connector 1 Multikey PCB 44pin 37pin LCD Connector LCD FPCB 44 pin BtoB Connector 2 CN605 CN108 CN900 CN902 ...

Page 100: ... 4 9 Keypad Backlight Trouble START Press END Key to turn on the power Keypad Backlight Works YES NO VBAT applied Change Main Board NO Keypad Backlight Works Check V at R 101 or R 102 is confirm NO Change LD101 or LD102 No YES YES 1 2 Crack Mainkey PCB to main board YES Change Mainkey PCB YES Keypad Backlight Works NO 3 Change Main Board ...

Page 101: ...TP22_BB 3 TP22_BB TP23_BB R101 R102 TP24_BB TP23_BB TP24_BB 100ohm R102 LD102 SSC SWTS1007 A 1 C 2 R101 100ohm VBAT ZD101 RSB6 8CST2R RSB6 8CST2R ZD102 A 1 C 2 SSC SWTS1007 LD101 KEY_LED2 KEY_LED1 TP22_BB TP23_BB TP24_BB 1 TP22_BB TP22_BB TP23_BB R101 R102 TP24_BB TP23_BB TP24_BB 2 TP22_BB TP22_BB TP23_BB R101 R102 TP24_BB TP23_BB TP24_BB ...

Page 102: ...e purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 10 Folder ON OFF Trouble START Insert magnet In component No Yes Turn the power on Check magnet Pin 1 of U101 1 8V Yes No Yes Change Main board 1 2 Crack Mainkey PCB Change Mainkey PCB Yes Finish Slide OK Yes No Change Main board No 3 ...

Page 103: ...nc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING Be sure that magnet is here 1 TP25_BB 3 U101 2 TP25_BB 1 8V REV B SLIDE DETECT U101 BU52031NVX 2 GND 3 NC OUT 1 5 PGND 4 VDD C112 0 1u VDDE_1V8 C109 0 1u ACC_GP15_FLIPSENSE TP25_BB ...

Page 104: ...1 Audio Trouble Shooting Signals to the receiver Receiver signals are generated at AB3100 BEARP BEARN Receiver path 1 AB3100 BEARP BEARN 2 R321 R322 on main board 3 U302 Audio Amp Analog switch on main board 4 LCD FPCB 5 Speaker Receiver h Note It is recommended that engineer should check the soldering of R L C along the corresponding path before every step ...

Page 105: ...ne out Does the sine wave appear at R321 R322 Change the main board Does the sine wave appear at Number 65 66 pin in the main B d CN605 Does the sine wave appear at CN101 PAD in LCD FPCB Change the LCD FPCB Does the Receiver get in contact with the LCD FPCB sus Re assemble the Receiver Can you hear sine wave out of the receiver Change the Receiver END YES YES YES YES YES NO NO NO NO NO 1 2 3 4 Cha...

Page 106: ... 107 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 R321 R322 U302 LCD FPCB 3 2 Pin 65 66 CN605 A Side B Side ...

Page 107: ...V1 DNI C616 C617 DNI 9 VDD_LDO_3V1 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 CN605 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 TOUCH_RST APP_GP_VGA_SDN APP_GP_LCD_ID SPK_RCV CI_DATA 6 CI_DATA 3 CI_DATA 1 LCD_VSYNC KEYIN5 KEYIN4 KEYOUT2 KEYOUT1 APP_I2C_SCL A...

Page 108: ...09 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING Measured 1khz Sine Wave Signal 1 3 2 Measured 1khz Sine Wave Signal ...

Page 109: ...Speaker Midi MP3 Key Tone Signals to the speaker Speaker signals are generated at AB3100 SPKRP SPKRN Speaker path 1 AB3100 SPKRP SPKRN 2 C348 C351 on the main board 3 U302 audio amp Analog switch on the main board 4 LCD FPCB 5 Speaker Receiver h Note It is recommanded that engineer should check the soldering of R L C along the corresponding path before every step ...

Page 110: ... out Does the sine wave appear at C348 C351 Change the main board Does the sine wave appear at Number 65 66 pin in the main B d CN605 Does the sine wave appear at CN101 PAD in LCD FPCB Change the LCD FPCB Does the Receiver get in contact with the LCD FPCB sus Re assemble the Speaker Can you hear sine wave out of the receiver Change the Speaker END YES YES YES YES YES NO NO NO NO NO 1 2 3 4 Change ...

Page 111: ... 112 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING LCD FPCB 3 1 C348 C351 U302 2 Pin 65 66 CN605 B Side A Side ...

Page 112: ...1 DNI C616 C617 DNI 9 VDD_LDO_3V1 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 CN605 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 TOUCH_RST APP_GP_VGA_SDN APP_GP_LCD_ID SPK_RCV CI_DATA 6 CI_DATA 3 CI_DATA 1 LCD_VSYNC KEYIN5 KEYIN4 KEYOUT2 KEYOUT1 APP_I2C_SCL AP...

Page 114: ...TING 4 11 3 Microphone Voice call Voice Recorder Video Recorder Microphone Signal Flow MIC is enable by MIC Bias CCO1 MIC1P MIC1N signals to AB3100 Check Points Microphone bias Audio signal level of the microphone Soldering of components Signal from the mic MIC on mainkey FPCB R103 R104 on mainkey FPCB C357 C358 on main Board AB3100 ...

Page 115: ...O1 2 4Volt Change the MIC Check the signal level at C357 C358 at the putting Audio signal in MIC Does it work properly END Yes YES No A few hundred of mV of the signal measured Change the main Board Check the MIC bias level at the C104 Resolder C357 C358 and try again If fail again chage the main B d 4 3 1 No Yes Yes No 2 Speaker_PAD CN101 1 2 SPK_RCV SPK_RCV 3 ...

Page 116: ...training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 C104 2 1 2 MIC101 Speaker_PAD CN101 1 2 SPK_RCV SPK_RCV 3 Seperate DGND 0 15mm Line MIC REV D Move to MAIN PCB REV C MIC101 SPU0410HR5H PB G1 2 G2 3 O 4 P 1 C105 47p C104 10u MIC1N MIC1P CCO1 1 2 ...

Page 117: ...d service purposes 4 TROUBLE SHOOTING 3 3 C357 C358 C357 C358 3 3 REV E From MAINKEY M10 MIC1N MIC1P N10 MIC2N P9 N9 MIC2P P8 MIC3N MIC3P N8 MIC4N P10 MIC4P N11 47n C358 C330 22p C327 C357 47n 0 1u C329 C332 C326 22p C328 0 1u C331 MIC1P MIC1N MIC2P Speaker_PAD CN101 1 2 SPK_RCV SPK_RCV 3 3 C357 C358 ...

Page 118: ...main LCD Can you hear sine wave out of the receiver Change the main B d END YES YES YES NO NO Does the level of R626 Under 0 5Volt NO Does the level of R626 over 2 5 Volt YES Yes Change the main B d Does the sine wave appear at C345 C346 NO Resolder CN601 Pins or change the Headset 1 2 3 1 Resolder R626 R636 U603 2 change the Headset And try again from the start Does the sine wave appear At FB302 ...

Page 119: ... 120 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING R626 C345 C346 FB302 FB303 4 3 1 CN601 Bottom R636 1 2 Top U603 ...

Page 120: ... C346 C349 12p EAR_R SPK_RCV SPK_RCV AMP_I2C_SCL AMP_i2C_SDA SPKRP SPKRN BEARP BEARN EAR_L HS_EAR_R HS_EAR_L BOM replace 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 U603 R1114D261D TR F C603 BLM15HD182SN1 FB601 0 1u VBAT VDDE_1V8 VDD_MIC_2V6 R636 3 9K 1u C620 C621 1u USW_ID MIC2P Rev 1 0 0 R626 USW_ID USW_ID_ADC REV F REV F Rev 1 1 update OVP Circuit NUS3065MUTAG U601 CNTRL 3 4 DRAIN DRAIN_THERMAL 9 GATE...

Page 121: ...ain LCD END YES YES NO Does the level of R626 Under 0 5Volt NO Does the level of R626 over 2 5 Volt YES YES 1 2 3 Change the Headset And try again from the start NO Resolder R626 R636 U603 and try again If fail again Change the main B d Check the signal level at U603 at the putting Audio signal in MIC YES A few hundred of mV of the signal measured at U603 Resolder U603 and try again If fail again ...

Page 123: ...ved Only for training and service purposes 4 TROUBLE SHOOTING BOM replace 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 U603 R1114D261D TR F C603 BLM15HD182SN1 FB601 0 1u VBAT VDDE_1V8 VDD_MIC_2V6 R636 3 9K 1u C620 C621 1u USW_ID MIC2P Rev 1 0 0 R626 USW_ID USW_ID_ADC R636 U603 1 2 3 4 ...

Page 124: ...ial pair USB charging path Phone ground return path C352 0 1u N5 VSS_BEAR VSS_SPKR M7 D7 VSS4 VSS3 D6 VDD_REF P7 VDD_SPKR VREF A13 VSS1 D4 VSS2 D5 VBAT_D E2 VBUS VDD_AUDIO P13 VDD_AUXO P3 P6 VDD_BEAR A12 VDD_IO G1 SPARE1 B10 SPARE2 A2 TEST D12 TRICKLE F2 G2 F1 J2 DCIO_INT FGSENSEN J13 FGSENSEP J14 A14 IREF H3 CHREG CHSENSEN H2 CHSENSEP H1 C4 DAC_CLK C5 DAC_DAT DAC_STR B5 DCIO A11 BDATA 0 1u VBAT C...

Page 125: ...erential pair USB charging path Phone ground return path C352 0 1u N5 VSS_BEAR VSS_SPKR M7 D7 VSS4 VSS3 D6 VDD_REF P7 VDD_SPKR VREF A13 VSS1 D4 VSS2 D5 VBAT_D E2 VBUS VDD_AUDIO P13 VDD_AUXO P3 P6 VDD_BEAR A12 VDD_IO G1 SPARE1 B10 SPARE2 A2 TEST D12 TRICKLE F2 G2 F1 J2 DCIO_INT FGSENSEN J13 FGSENSEP J14 A14 IREF H3 CHREG CHSENSEN H2 CHSENSEP H1 C4 DAC_CLK C5 DAC_DAT DAC_STR B5 DCIO A11 BDATA 0 1u V...

Page 126: ...o DB3210 CORE to Bluetooth BLM18PG121SN1J to Hall Switch and AB3100 BEAR to AB3100 CODECs ADC PLL to RF3300 digital REV F REV F 2 8 2 6 1 0 0 7A 240mohm 20 to DB3100 analog 120ohm 1608 2A 50mohm Bead to SD Card and LCD to All I O Supplies and Memory VBUCK C1 K13 LDOA_OUT N12 LDOC_OUT L12 LDOD_OUT LDOE_OUT G14 LDOF_OUT G13 L13 LDOG_OUT LDOH_OUT L14 LDOK_OUT M14 D13 LDOLP_OUT EXT_LDO C12 BUCK_FB E1 ...

Page 127: ... 0 smd_0603h_25_r CN704 1 VSS_BT_ANA VSS_BT_ANA VSS_BT_ANA DEA212450BT 7043C1 FL702 5 BP1 4 BP2 BP_DC 2 3 G1 6 G2 1 U_BP C719 0 1u VDDE_1V8 smd_0603h_3_r C730 220n C6 VSSANA3 VSSDIG1 E3 E4 VSSDIG2 VSSRF1 A2 VSSRF2 A5 B5 TEST1 TEST2 A6 D7 VDD_CL VDD_CLD E7 G2 VDD_D VDD_DSM B7 C7 VDD_N VDD_RF A1 VIO_A G5 F3 VIO_B B4 VSSANA1 VSSANA2 B6 GPIO_11 B3 GPIO_16 F7 HOST_WAKEUP A7 HVA HVD G1 RFN A4 A3 RFP E5 ...

Page 128: ...T CLK R140 with Oscilloscope Check Next Stage No No Yes Check VCXO X101 block 26MHz Check PMIC Block Check Power level at BT IC Output C716 with Spectrum Analyzer Range 2 2dBm No Yes Change BT Chip U706 Yes TP06 TP06 Rev 1 0 Rev 1 1 VDDE_1V8 smd_0603h_25_r_na DNI R135 33 R140 smd_0603h_25_r 10 R139 100K R141 2 2u C151 2 A GND 3 VCC 5 4 Y _OE 1 U109 SN74LVC1G125DRLR 100K R130 VDDK_2V75 C150 0 1u BT...

Page 129: ...RF3300 External LDO U106 WCDMA Dual PA U103 WCDMA1900 Tx SAW Filter FL106 RF Test Connector SW101 WCDMA850 Tx SAW Filter FL105 GSM850 900 Rx SAW Filter FL104 WCDMA1900 Duplexer FL102 DCS PCS Dual Rx SAW Filter FL103 WCDMA850 Duplexer FL101 GSM EDGE WCDMA Transceiver RF3300 U110 WCDMA DC DC Converter U107 GSM850 900 DCS PCS PA WCDMA Ant SW U102 WCDMA Power Detector U105 26MHz Crystal X101 Descripti...

Page 130: ...UBLE SHOOTING 4 15 Procedure to check start Oscilloscope setting 1 Check Power Source Block 2 Check VCXO Block Agillent 8960 Test mode WCDMA Ch 9400 Uplink Ch 9800 Downlink 4 Check WCDMA Block Agillent 8960 Test mode GSM Ch 198 P L 7 level setting Ch 198 60dBm setting 5 Check GSM Block Redownload SW Cal 3 Check Ant SW Module ...

Page 131: ...cs Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 16 Checking Common Power Source Block Figure 4 2 Common Source Block Step 1 Power Source Block Step 2 GSM PAM Block Step 4 Checking VCC Top Bottom Step 3 WCDMA PAM Block ...

Page 132: ...gain Check Component CN301 In Power Source Block g 4 16 1 Step 1 Check Point CN301 in Power Source Block g To Check Power source Change Board Check C335 CN301 in Block g to check inner line connection From CN301 to C335 Figure 4 3 Power Source Block g TP01 CN301 TP02 C335 TP01_RF CN301 TP02 C335 Route as a differential p Discharging USB charging path d return path KDS221E_RTK D303 3 A1_C2 2 A2 1 C...

Page 133: ...C101 GSM PAM TP03 C107 TP03 C107 Solder again Check Component CN301 In Power Source Block g 3 4 4 2V OK 3 4 4 2V OK REV 1 1 Rev F REV 1 1 Rev E 27p C122 G1 G2 C121 22nH SW101 KMS 518 A C DNI smd_0603h_25_r_na R106 34 PGND4 RSVD 10 RX1 16 15 RX2 RX3 14 13 RX4 4 VAPC VBATT 5 WCDMA1 18 19 WCDMA2 WCDMA3 20 _TXEN 8 29 GND12 GND13 30 11 GND2 GND3 12 21 GND4 GND5 22 23 GND6 GND7 24 25 GND8 GND9 26 1 HB_R...

Page 134: ... Yes Solder again Check Component CN301 In Power Source Block g Check Point C335 in Power Source Block g To Check Power source Change Board Check C335 C129 C130 in Block e g to check inner line connection From C335 to C129 C130 WCDMA PAM DC DC Converter TP04 C129 C130 C129 C130 TP04 Open 3 4 4 2V OK 3 4 4 2V OK 10u C129 C132 4 7u U107 LM3208TL EN C1 C3 FB PGND A3 A1 PVIN SGND B3 A2 SW VCON C2 B1 V...

Page 135: ...6 C305 LDOE_OUT TP05 C303 LDOA_OUT AB3100 TP05 C303 LDOA_OUT VDDA_2V8 RF3300 analog VDIGRAD_1V8 RF3300 digital TP06_RF C305 LDOE_OUT 136 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING REV F K13 LDOA_OUT L12 LDOD_OUT LDOE OUT G14 EXT_LDO C12 2 2u C305 2 2u C304 2 2u C303 0 R306 EXT_LDO AB3100 TP05 C303 LDOA_OUT VD...

Page 136: ...7 Checking VCXO Block The reference frequency 26MHz from U110 GSM WCDMA Transceiver RF3300 on Main board can be measured by using Oscilloscope and performing TP command in computer Phone Oscilloscope Notebook to send TP command Figure 4 8 Connection for Checking VCXO Block X101 Crystal Figure 4 7 VCXO block GSM WCDMA Transceiver RF3300 U110 ...

Page 137: ... check this crystal part you can skip check 1 Figure 4 9 1 Test Point Crystal Part Figure 4 9 2 Schematic Crystal Part Figure 4 9 3 26MHz at X100 TP01 X101 TP01 X101 X101 Crystal GSM WCDMA Transceiver RF3300 U110 Rev F Rev 1 0 Rev 1 0 Rev 1 0 GND1 2 4 GND2 HOT1 1 3 HOT2 26MHz TN4 26562 X101 R143 DNI 18 XOP WTXIN 24 23 WTXLP 25 WTXQP XON 17 MCLK 15 MCLKSEC 20 13 TESTOUT VCCD 21 14 CLKREQ DNI R138 T...

Page 138: ...Test point 26MHz at BB part Baseband DB3200 MCLK TP02 R138 MCLK TP02 R138 Rev F Rev 1 0 Rev 1 0 Rev 1 0 GND1 2 4 GND2 HOT1 1 3 HOT2 26MHz TN4 26562 X101 R143 DNI 18 XOP WTXIN 24 23 WTXLP XON 17 MCLK 15 MCLKSEC 20 13 TESTOUT VCCD 21 14 CLKREQ DNI R138 MCLKSEC MCLK WTX I N WTX_I_P TESTOUT MCLKREQ TP02 R138 MCLK REV F 3 3K R203 A15 RTCCLKIN A18 SYSCLK0 SYSCLK1 A17 A19 SYSCLK2 SYSCLKREQN B18 MCLK E17 ...

Page 139: ...ing and service purposes 4 TROUBLE SHOOTING Check X101 No Refer to Figure 4 8 Yes Check R138 No Refer to Figure 4 10 Yes VCXO part has a problem Changing XTAL or U110 Checking 1 26MHz at VCXO Checking 2 26MHz at MCLK VCXO part is O K Check next stage VCXO part has a problem Changing XTAL or U110 ...

Page 140: ... TP01 Figure 4 11 2 Schematic Antenna Switch Module GSM EDGE PA Antenna Switch Module GSM EDGE PA Antsw0 Antsw1 Antsw2 Antsw3 22p smd_0603h_3_r C126 22p smd_0603h_3_r C124 RSVD 10 RX1 16 15 RX2 RX3 14 13 RX4 _TXEN 8 11 GND2 GND3 12 21 GND4 GND5 22 23 GND6 24 1 HB_RF_IN LB_RF_IN 3 9 MODE SKY77521 U102 17 ANT BS1 7 6 BS2 2 GND1 C125 smd_0603h_3_r 22p C127 smd_0603h_3_r 22p ANTSW2 ANTSW0 ANTSW3 ANTSW...

Page 141: ...Mode Logic by TP Command Table 4 1 Front End module SKY77521 Mode Control Logic H L L L WCDMA850 L L H H L H H Antsw2 H H L WCDMA1900 X H H PCS Rx X H H DCS Rx X L H EGSM Rx X L H G850 Rx L H L DCS PCS Tx L L L G850 EGSM Tx Antsw3 Antsw1 Antsw0 Mode 1 2 0 3 Minimum Vbatt 0 55 Maximum High V Low Input Logic Level Units Typical Parameter Table 4 2 SKY77521 Logic Control Levels TXEN BS1 BS2 MODE ...

Page 142: ...served Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING GSM850 EGSM Tx ANTSW0 2 ANTSW2 ANTSW1 WCDMA 1900 DCS PCS Tx DCS Rx PCS Rx ANTSW0 3 ANTSW1 ANTSW2 ANTSW0 ANTSW1 ANTSW2 EGSM Rx ANTSW0 ANTSW1 ANTSW2 GSM850 Rx WCDMA 850 ...

Page 143: ...er source through Veronica part TP Command MODE 0 band EGSM SWRX 64 2 SWRX Channel RxGain DC Open High OK Resolder it Check each mode By TP command Change the Board No No No Yes Yes Yes Check soldering C125 Check Soldering It is necessary to check short condition Using Tester Check 4 capacitors ANTSW0 C125 ANTSW1 C126 ANTSW2 C127 ANTSW3 C124 Check ANTSW0 C125 To check Switch input power source Rep...

Page 144: ...y 4 TROUBLE SHOOTING 4 20 Checking WCDMA Block start 1 Check VCXO Block 4 Check RF TX Level 3 Check Control Signal Re download SW Cal 2 Check Front End Module 6 Check RF RX Level 5 Check PAM Block Figure 4 12 WCDMA Block Top Bottom SW101 RF switch U110 GSM WCDMA Transceiver RF3300 U103 WCDMA PAM Duplexer Isolator DCDC ...

Page 145: ... TROUBLE SHOOTING 4 20 1 Checking VCXO Block Refer to 4 17 4 20 2 Checking Ant SW module Refer to 4 18 4 20 3 Checking Control Signal First of all control signal should be checked data clk strobe Figure 4 13 1 Test points Control Signal PIN12 CLK PIN11 DATA PIN10 STROBE Bottom View U110 GSM WCDMA Transceiver RF3300 TP01 ...

Page 146: ...rvice purposes LGE Internal Use Only 4 TROUBLE SHOOTING Phone Oscilloscope Notebook to send TP command Figure 4 14 Connection for Checking Control Signal Figure 4 13 2 Schematic Control Signal RF3300 TP10_RF R134 DNI STR 10 CLK 12 11 DATA RF_CTRL_STR_1 RF_CTRL_CLK RF_CTRL_DATA RF3300 ...

Page 147: ...ROBE PIN12 CLK PIN11 DATA Similar Control Signal is O K Check next stage Download the SW Check PIN10 PIN11 and PIN12 Check shape and pk pk level Refer to Figure 4 15 Yes No If signal is not OK even after downloading Change the U110 Figure 4 15 Control Signal PIN10 STROBE PIN12 CLK PIN11 DATA TP Command MODE 5 WTXC 9400 1 890 903 542 557 SYCT 9400 ...

Page 148: ...Output Figure 4 16 Test point RF TX Level Phone Spectrum Analyzer Notebook to send TP command Fig 4 17 Connection for Checking RF TX Level Bottom Top TP01 R149 SAW Input TP102 R146 SAW Input TP09 C116 Duplexer Output TP10 R101 Duplexer Output TP03 R150 SAW Output TP04 R147 SAW Output TP05 FL102 Duplexer Input TP07 IS102 Isolator Input TP08 IS101 Isolator Input TP06 FL101 Duplexer Input 4 20 4 Chec...

Page 149: ...0 VDDA_2V8 R103 51 33nF C123 OUT 1 4 TER LDC15836M20Q 360 U104 3 COU IN 2 1K R108 1000p C102 VBAT 1 5nH L101 TP102 R101 33p 470p C112 C108 C114 22p 15nH C118 DNI FL102 ANT GND1 GND2 GND3 GND4 GND5 GND6 RX TX CEG231G88DCB000 GND1 GND2 IN OUT B7638 IS101 C111 22p ACMD 7403 FL101 ANT G1 RX TX 8 2nH C117 DNI IS102 CEG23836MDCB000 GND1 GND2 IN OUT C109 WPOW_DET_EN WRX_BAND_2 WRX_BAND_5 BIAS_CTRL WRF_BA...

Page 150: ...blem Change the U102 Check 3 About 20dBm Check the power at The R101 band2 or C116 band5 Duplexer Output with probe No Yes The FL101 band2 or FL102 band5 has any problem Change the FL101 or FL102 Check 4 About 18dBm Check the power at the IS101 band2 or IS102 band5 Isolator Output with probe No Yes The IS101 band2 or IS102 band5 has any problem Change the IS101 or IS102 Check 5 About 16dBm Check t...

Page 151: ...ed Only for training and service purposes 4 TROUBLE SHOOTING 4 20 5 Checking PAM Block DC DC converter WCDMA PAM Figure 4 18 Test points of WCDMA TX PAM block TP03 VCC_PA C132 TP02 PAM Input R150 R147 TP01 Bias_CTRL C111 R112 TP05F Duplexer Output R101 TP04 Duplexer Output C116 ...

Page 152: ...page Level 10dBm No Download the SW Calibrate Level 10dBm Check R150 or R147 To Check PAM Input level Check the WCDMA RF Tx Chip Yes Yes 1 1 1 2V Check C111 r C112 To Check PAM control signal from AB3100 BIAS_CTRL Check the AB3100 to WCDMA PAM control Signal line 3 2 3 4V Check C132 To Check PAM VCC from DC DC converter VCC_WPA No No No Change the DC DC converter Yes Yes Change The PAM TP Command ...

Page 153: ...urposes 4 TROUBLE SHOOTING SW101 RF switch U110 GSM WCDMA Transceiver RF3300 4 21 Checking GSM Block start 2 Check VCXO Block 5 Check RF TX Path 4 Check Control Signal Re download SW Cal 3 Check FEM Module 6 Check RF RX Path 1 Check VRADA_2V8 VDIGRAD_1V8 Figure 4 19 GSM Block Top Bottom U102 GSM EDGE PAM Ant SW ...

Page 154: ...e block IF you already check this point while checking power source block 4 16 You can skip this test 4 21 2 Checking VCXO Block Refer to 4 17 Checking VCXO block IF you already check this point while checking VCXO block 4 17 You can skip this test 4 21 3 Checking Front End Module Refer to 4 18 Checking Ant SW Module IF you already check this point while checking Ant SW module 4 18 You can skip th...

Page 155: ... purposes 4 TROUBLE SHOOTING 4 21 4 Checking Control Signal Test Program Script MODE 0 SWTX 1 64 7 Figure 4 20 Test points of RF control signals TP01 PIN12 CLK PIN11 DATA PIN10 STROBE U110 GSM WCDMA Transceiver RF3300 RF3300 TP01 R134 DNI STR 10 CLK 12 11 DATA RF_CTRL_STR_1 RF_CTRL_CLK RF_CTRL_DATA RF3300 TP01 ...

Page 156: ...GE Internal Use Only 4 TROUBLE SHOOTING Similar Check PIN10 PIN11 PIN12 of RF3300 Check if there is any Major difference Refer to Figure 4 15 Yes No Re download SW Short Yes No Change the board Control signal is OK See next page to check STRB STRB CLK CLK DATA DATA Figure 4 21 GSM RF Control signal ...

Page 157: ...for training and service purposes 4 TROUBLE SHOOTING SW101 RF connector C122 FEM Output Figure 4 22 Test Points of GSM850 EGSM DCS PCS Tx Path Top Bottom U102 GSM EDGE PAM Ant SW U110 RF3300 4 21 5 Checking RF Tx Path A GSM Tx path Level R120 R124 GSM850 EGSM DCS PCS Tx U102 pin 4 Vapc ...

Page 158: ...C126 22p smd_0603h_3_r C124 34 PGND4 RSVD 10 RX1 16 15 RX2 RX3 14 13 RX4 4 VAPC VBATT 5 WCDMA1 18 19 WCDMA2 WCDMA3 20 _TXEN 8 29 GND12 GND13 30 11 GND2 GND3 12 21 GND4 GND5 22 23 GND6 GND7 24 25 GND8 GND9 26 1 HB_RF_IN LB_RF_IN 3 9 MODE 31 PGND1 32 PGND2 PGND3 33 SKY77521 U102 17 ANT BS1 7 6 BS2 2 GND1 27 GND10 GND11 28 C115 R105 22p DNI C105 22p R180 51 NA L103 R104 0 0ohm_0603_case1 C106 0 01u R...

Page 159: ...re 4 18 GSM850 32dBm EGSM 32dBm DCS 29dBm PCS 29dBm No See Next page to check Tx path Similar Yes GSM850 EGSM DCS PCS Tx path OK See Chapter 4 21 6 to check Rx path v Agilent 8960 Setting GSM BCH TCH Mode v Oscilloscope Setting Figure 4 24 GSM850 EGSM DCS PCS Tx Level at 3 DCS Tx MODE 2 SWTX 699 0 1024 1 Test Program Script 1 GSM850 Tx MODE 3 SWTX 190 64 5 1024 1 4 PCS Tx MODE 1 SWTX 661 0 1024 1 ...

Page 160: ...8 R120 27 270 R122 C149 47p DNI C146 1800 FB101 R123 270 VDDA_2V8 C145 15p C136 1u 270 R126 2 DNI C140 C148 3 3p L106 3 3nH R118 390 12p C144 R125 270 0 R121 27 R124 560 R119 10nH L105 33p C143 C139 22p R152 51 C147 DNI 33p C142 WRXHB1 38 WRXHB2 42 3 WRXIN WRXIP 4 1 WRXQN WRXQP 2 GND4 47 45 GND5 43 GND6 41 GND7 39 GND8 STR 10 13 27 VCCA1 VCCA2 51 48 ERXHB1 50 ERXHB2 ERXLB1 44 ERXLB2 46 56 ETXHB 54...

Page 161: ... GSM850 EGSM DCS PCS PAM Output C122 TP03 Vapc U102 pin 4 TP03 Vapc U102 pin 4 1 1 27p C122 DNI smd_0603h_25_r_na R106 34 PGND4 RSVD 10 RX1 16 15 RX2 RX3 14 13 RX4 4 VAPC VBATT 5 WCDMA1 18 19 WCDMA2 WCDMA3 20 _TXEN 8 29 GND12 GND13 30 11 GND2 GND3 12 21 GND4 GND5 22 23 GND6 GND7 24 25 GND8 GND9 26 1 HB_RF_IN LB_RF_IN 3 9 MODE 31 PGND1 32 PGND2 PGND3 33 SKY77521 U102 17 ANT BS1 7 6 BS2 2 GND1 27 GN...

Page 162: ...Use Only 4 TROUBLE SHOOTING GSM850 EGSM 32 5dBm DCS 29 5 0dBm Yes Changing GSM PAM U102 Check GSM850 EGSM DCS PCS PAM output power at GSM Tx path OK See Next page to check Check Vapc level at Check if there is any Major difference Refer to Figure 4 20 Yes No Redownload SW Cal GSM850 EGSM 1 5 V DCS PCS 1 3 V No ...

Page 163: ...t 1 GSM850 Rx MODE 3 SWRX 198 2 v Agilent 8960 Setting CW Mode GSM850 50dBm Ch198 883 2MHz EGSM 50dBm Ch65 948MHz DCS 50dBm Ch700 1842 8MHz PCS 50dBm Ch700 1967 8MHz v Oscilloscope Setting Top Bottom DCS PCS Rx GSM850 EGSM Rx Figure 4 27 GSM850 EGSM DCS PCS Rx path RF Input TP05 4 21 6 Checking RF Rx Path A GSM Rx path Level U102 GSM EDGE PA Ant SW GSM Transceiver U110 2 EGSM Rx MODE 0 SWRX 64 2 ...

Page 164: ...102 GSM EDGE PA Ant SW GSM Rx R129 GSM850 Rx R133 2 7nH R128 R127 2 7nH C145 15p NA L109 NA L112 2 2nH L107 L108 0 5p C148 3 3p L106 3 3nH GND1 2 GND2 7 3 GND3 8 GND4 5 GND5 GND6 10 IN_881_5 1 IN_942_5 4 OUT_881_5 9 6 OUT_942_5 FL104 SAWEN881MBA0F25 10 IN_1842_5 1 IN_1960 4 OUT_1842_5 9 6 OUT_1960 FL103 SAWEN1G84BC0F25 GND1 2 GND2 7 3 GND3 8 GND4 5 GND5 GND6 R129 0 C147 DNI L113 NA NA L111 8 2nH L...

Page 165: ...d service purposes 4 TROUBLE SHOOTING v Agilent 8960 Setting CW Mode GSM850 50dBm Ch198 883 2MHz GSM900 50dBm Ch65 948MHz DCS 50dBm Ch700 1842 8MHz PCS 50dBm ch700 1967 8MHz GSM Rx path OK Check GSM850 EGSM DCS PCS Rx signal level at Yes GSM850 EGSM 51 5dBm DCS PCS 51 7dBm Change Ant SW module U102 No ...

Page 166: ...raining and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 22 Checking A GPS Block start 2 Check CLK Signal 3 Re download SW 4 Change the LNA 1 Check VGPS_1V8 VGPS_2V8 VDDE_1V8 VGPS_CORE Figure 4 48 GPS BLOCK Change the sub board 5 Change the Module Bottom ...

Page 167: ... All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 22 1 Checking Regulator Circuit VGPS_1V8 C721 VGPS_2V8 C728 VGPS_CORE C736 CH3 VGPS_2V8 CH1 VGPS_1V8 CH4 VGPS_CORE 1 5V 200u s Figure 4 49 GPS power line Figure 4 50 GPS power signal ...

Page 168: ... reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 22 2 Checking the CLK Figure 4 51 CLK line 19 2 MHz CLK TCXO 26 MHz CLK MCLK GPS_Power on CH3 CNTIN MCLK CH2 GPS_PON CH4 CLK TCXO 250us Figure 4 52 CLK signal ...

Page 169: ..._A2_P6C_APP_Pre ldr CXC1721610_A2_P6C_ACC_Production ldr CXC1724028_1A2_P6C_APP_Large_Production ldr C DOWNLOAD Model EMP KF750 KF750_080501_MP dll Model DLL SSW File Model Binary MAP File GDFS Files 5 2 1 Frame Preference Dialog Port Selection Select download ports DLL Selection Select Model DLL Download Configuration Setup DLL configuration DLL Information Show DLL configuration information what...

Page 170: ...LL Preference Dialog This page is depend on model DLL To run press Download Configuration at Frame Preference Dialog Use USB Address If this check is unchecked Connected phone use from Port 1 dialog Unchcked use fixed USB port You should assign port number with USB Address Image Files Select Image binary files GDFS File Select GDFS files ...

Page 171: ... training and service purposes 5 Download 5 2 Download On Frame Preference Dialog select download port and select model DLL Add Binary images and GDFS files Close all preference dialog and select Start Button on main page Connect phone and wait until download finished Usage fixed USB port ...

Page 172: ...t Qualcomm USB Driver but EMP USB Driver assign port ID in order phone connected from ID 1 For use fixed port ID assign port ID before download job 5 2 2 Setting Phone should connect just one before detect USB address Connect phone first curl cord Press Set Button Check USB Address which is loaded Do 2 again After assign all ports press save dialog ...

Page 173: ... V VRAD RF_CTRL_STRB1 NC RF_CTRL_STRB0 ARB External to Platform Internal to Platform LNA LNA LNA LNA LNA A D A D 0 90 LPF ChP PhD N M VCO LPF ChP PhD N M 0 90 DAC DAC XO DAC VCO VCO LNA LNA WCDMA LB WCDMA HB WCDMA HB WCDMA HB CLK DATA STROBE Serial Control WTxQB WTxQA WTxIB WTxIA GSM EDGE AM DAC RFCtrl1 RFCtrl2 RFCtrl1 RFCtrl2 GSM EDGE HB GSM EDGE LB WCDMA LB WCDMA HB WCDMA HB GSM EDGE LB GSM EDGE...

Page 174: ...Connector KMS 518 SW101 RX A GPS PMB2525 U703 sub GSM DCS PCS Tri with FEM PAM SKY77521 U102 TRX TRx RF3300 U110 A GPS TRX Modem DB3200 U202 TX Isolator CEG23836MDCB000 IS102 TX PAM SKY77175 U103 TX DC DC LM3208TL U107 TX Tx RF Filter SAFEA1G88KB7F00 FL106 TRX TRx RF3300 U110 TRX Duplexer B7638 FL102 WCDMA Reference 13M Crystal TN4 26562 X101 Band Select FEM SKY77521 U102 Common Comment Function P...

Page 175: ...E RFWB_PWRDET_E Arbitrate Mux RF_CTRL_CLK RF_CTRL_DATA TIM GEN SER CON CLK CON VA DFSE GSM CRYPTO 16 32 3 32 3 32 3 32 3 32 3 16 26 MHz 16 16 32 3 16 16 TXIF RXIF RFIF 32 4 32 3 32 3 32 4 16 16 16 TX_ADC_STRB 26 MHz 100 mohm 25 mohm uP SAFETY VBAT BDATA BATTERY GND IMEAS VMEAS S D ADC CHREG CHSENSE CHSENSE FGSENSE FGSENSE DCIO VBUS UART BDATA I2C VBAT TRICKLE VBAT DCIO Battery DCIO DET USB DET USB...

Page 176: ...102 NA L103 SAFEA1G88KB7F00 FL106 2 G1 5 G2 3 G3 1 IN OUT 4 L102 12p R118 390 3 3p C152 C133 NA L118 1000p 12p C144 10 IN_1842_5 1 IN_1960 4 OUT_1842_5 9 6 OUT_1960 C137 smd_0603h_3_r 22p FL103 SAWEN1G84BC0F25 GND1 2 GND2 7 3 GND3 8 GND4 5 GND5 GND6 200 R110 0 R147 R104 0 0ohm_0603_case1 C106 0 01u 100K R141 R125 270 51 R153 0 R121 VDDA_2V8 R103 51 R109 DNI 33nF C123 27 R124 R129 2 2u 0 OUT 1 4 TE...

Page 177: ...NU2 A10 DNU3 DNU4 B1 B10 DNU5 DNU6 N1 N10 DNU7 DNU8 P1 P2 DNU9 DQ0 B3 DQ1 A0 A1 C8 D9 A10 H9 A11 G7 A12 C9 A2 A3 B8 M9 A4 L9 A5 K9 A6 J9 A7 H7 A8 A9 H8 D5 ALE D7 BA0 BA1 D8 G8 U201 KAL00900BM DJ55 C7 TP203 0 1u smd_0603h_3_r C208 smd_0603h_3_r C234 0 1u R226 0 0 1u C223 smd_0603h_3_r 33nF C213 smd_0603h_3_r 1u 0 1u C235 TP225 C242 VDDE_1V8 0 1u C233 smd_0603h_3_r smd_0603h_3_r C224 0 1u smd_0603h_...

Page 178: ...L13 LDOG_OUT LDOH_OUT L14 LDOK_OUT M14 D13 LDOLP_OUT LED1_N B4 LED2_N A4 LED3_N D3 LED4_N C3 LED5_N A3 LED6_N B3 LINEIN1 F1 J2 DCIO_INT EXT_LDO C12 FGSENSEN J13 FGSENSEP J14 A9 GPA0 B9 GPA1 C7 GPA12 C9 GPA2 GPA3 B8 GPA4 A8 GPA5 C8 D8 GPA6 B7 GPA7 A14 IREF E13 IRQA_N E14 BEARP_OUT D2 BOOST_ISN BOOST_ISP C2 BUCK_FB E1 N13 CCO1 P14 CCO2 H3 CHREG CHSENSEN H2 CHSENSEP H1 DACO_0 A7 B6 DACO_1 DACO_2 A6 D...

Page 179: ...2 HD0 C10 HD1 HD10 B12 HD11 A12 J6 GND13 GND14 J7 GND15 J8 J9 GND16 GND2 F7 GND3 F8 F9 GND4 G6 GND5 GND6 G7 G8 GND7 GND8 G9 GND9 H6 P2 GPIO0 GPIO1 M3 P7 GPIO2 GPIO3 N1 ADO K1 K2 AFS AGND_USBC L5 AGND_USBT K5 AGND_VDAC F12 N4 AMCLK E10 AVDD_PLL AVDD_USBC L4 K4 AVDD_USBT AVDD_VDACI H11 AVDD_VDACP G11 F11 AVSS_PLL GND1 F6 H7 GND10 H8 GND11 H9 GND12 ZR3453 U403 M2 ABCLK L3 ADI C401 MMP_VDD_CORE_1V0 0 ...

Page 180: ...u U506 R1114D261D TR F 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 VBAT TP501 R508 10 VBAT R514 5 1K VDD_LCD_2V6 1u C506 C507 smd_0603h_3_r BYPASS C1 GND B2 C2 IN IN C3 A3 VDD VO B3 VO A1 B1 _SHUTDOWN 0 1u A3 A3 A4 A4 C1 B1 C2 B2 B3 C3 B4 C4 B4 GND B3 OE VCCA B2 B1 VCCB TPA6205A1ZQVR U505 U501 TXS0104EZXUR A1 A1 A2 A2 5 1K R511 R501 2K 1u 0 01u C516 C512 C518 B C E 1u 3 1 VDD_LDO_3V1 VDD_VGA_2V8 Q503 KRC...

Page 181: ...4 AUD1 D3 AUD2 CAP D1 COM1 C5 B5 COM2 D1 C4 D2 B4 GND A4 ID A5 INT C3 B1 MIC NC B3 C1 RES SCL B2 C2 SDA A1 SPKR R636 U604 MAX14512EEWP_TG45 4 3 9K 39K CN602 1 2 3 R610 DNI C616 C617 DNI 9 VDDE_1V8 VDD_LDO_3V1 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 CN605...

Page 182: ...2 VSSRF2 A5 C5 WAKEUP VGPS_2V8 VDDE_1V8 VGPS_2V8 B5 TEST1 TEST2 A6 G4 UART_CTS UART_RTS F4 F5 UART_RXD UART_TXD F6 D7 VDD_CL VDD_CLD E7 G2 VDD_D VDD_DSM B7 C7 VDD_N VDD_RF A1 VIO_A G5 F3 VIO_B B4 VSSANA1 VSSANA2 B6 B2 GPIO_11 B3 GPIO_16 GPIO_8 C3 GPIO_9 B1 F7 HOST_WAKEUP A7 HVA HVD G1 LP_CLK G3 D2 PCM_A PCM_B E1 PCM_CLK D1 PCM_SYNC C2 REF_CLK_IN D6 D3 RESETN RFN A4 A3 RFP E5 AF_PRG E6 CLK_REQ_IN_1...

Page 183: ... 4 AGND CT 1 EN_SET 2 3 FLEN FLGND 12 10 FLINH 13 FLOUTA 11 FLOUTB 9 GND G_SLUG 15 IN C802 smd_0603h_3_r 0 1u C811 2 2u 1uH L802 VDDE_1V8 TP808 TP801 BAT301 TP805 VDDH_SMB_2V75 R810 200K SIMVCC 0 1u smd_0603h_3_r C801 VA803 EVLC18S02003 100K R804 VDDE_1V8 VDDG_2V85 CSB 5 GND 3 4 INT NC1 1 1 0 NC2 11 NOT1 NOT2 12 SCK 6 8 SDI 7 SDO VDD 2 VDDIO 9 SIMVCC VBAT C804 U801 BMA150 VBAT 22n VDDH_SMB_2V75 VB...

Page 184: ... C 2 20279 001E 01 SW101 ANT G1 G2 OUT102 2 4 6 8 1 3 5 7 RA101 10K 103 102 101 1800 R104 C104 105 10u VA103 EVLC14S02050 107 U101 BU52031NVX 2 GND 3 NC OUT 1 5 PGND 4 VDD R101 100ohm VBAT 0 75p 2 7nH R106 INSTPAR ZD105 C114 ESD9X5 0ST5G ESD9X5 0ST5G INSTPAR ZD104 ESD9X5 0ST5G INSTPAR ZD103 0 HOT102 R105 R103 1800 ZD101 RSB6 8CST2R VBAT MULTI 104 DNI C113 17 18 19 2 20 3 4 5 6 7 8 9 G1 G2 G3 G4 CN...

Page 185: ...D900 RB521S 30 ICVN0505X150FR ICVN0505X150FR VA907 VA906 OUT907 TOUCH_3 1V CLR OUT900 EL_G2 OUT909 OUT913 TOUCH_3 1V 2 2u C902 ZD2 ESD9X5 0ST5G _POL OUT912 INSTPAR HVOUT4 HVOUT5 8 HVOUT6 7 6 HVOUT7 5 HVOUT8 4 HVOUT9 NC1 13 NC2 16 NC3 18 23 NC4 25 NC5 33 SLUG VBIAS 26 VDD 20 14 VPP 22 _LE 21 28 19 CLK DIN 17 DOUT 24 GND 15 HVGND 27 HVOUT1 12 3 HVOUT10 HVOUT11 2 HVOUT12 1 32 HVOUT13 31 HVOUT14 30 HV...

Page 186: ...40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 CI_D5 CN106 1 10 APP_GP12_LCD_ID APP_GP12_LCD_ID CI_HSYNC CI_RES_n CI_VSYNC CI_D6 CI_D7 APP_I2C_SDA APP_I2C_SCL CI_D3 CI_D1 CI_D4 CI_D2 LCD_VSYNC LCD_RD_N WLED2 WLED1 LCD_RESET_N LCD_ADS_N LCD_CS_N LCD_WE_N LCD_PWM LCD_RESET_N LCD_ADS_N LCD_CS_N LCD_WE_N LCD_P...

Page 187: ...ernal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 A 3 4 LGIC 42 A 5505 10 01 D E 2 3 C D 1 4 7 8 1 2 SIDE_KEY SIDE KEY 9 1 0 5 6 B C CN1 1 2 3 4 A B VOICE_UP VOICE_DOWN TP1 ...

Page 190: ... 191 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 BGA Pin Map 3 Memory IC KAL00900BM DJ55 top view Use Don t Use ...

Page 194: ...D Power GSM WCDMA Transceiver U110 No Rx Tx RF operation WCDMA PA U103 No WCDMA Tx ampliﬁer operation GSM Rx SAW ﬁlter FL104 105 No Rx operation WCDMA Duplexer FL102 101 No WCDMA Tx Rx operation DC DC for PA U107 No WCDMA Tx operation GSM PA ASM U102 No Tx ampliﬁer and antenna switch operation X tal X401 No the freq 27MHz X tal X101 No the freq 26MHz ZORAN U403 No 5M CAM operation DC DC for Zoran ...

Page 195: ...nnector CN401 No 5M camera operation X tal X301 No RTC clock 32 768kHz SidevKey Connector CN602 No Volume up down operation Battery Connector Connector CN301 No Power supply PMIC Audio IC U301 No output of LDO audio DC DC for EL U504 No EL operation LCD LED U502 No Backlight operation Touch Level shifter U501 No Touch operation USB Transceiver U602 No USB operation Micro USB Switch U604 No Micro U...

Page 196: ... 197 9 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Backup Battery BAT301 No RTC clock operation TU750 ...

Page 197: ...U703 No AGPS operation SIM socket Connector J802 No Sim card operation Level shifter U802 No Micro SD operation Sub socket FPCB Connector Connector CN801 No SIM No BT or GPS No T Flash No Flash No 3 Axis sensor No Flash LED No RTC operation Sub LED LD801 No CAM ﬂash trickle operation Flash LED LD802 No CAM ﬂash operation LDO for ﬂash LED U803 No Flash LED operation Micro SD socket Connector J801 N...

Page 198: ...ved Only for training and service purposes MainKey Connector Connector CN1 No Number sidekey operation MainKey LED LD101 102 No MainKey backlight Touch Multi sidekey No hot key operation CAM sidekey SW101 No Camera operation Hall IC U101 No Slide detection Mic MIC101 No Mic operation TU750 ...

Page 199: ...9 PCB LAYOUT 200 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Antenna Connector Connector SW101 No Antenna connection TU750 ...

Page 201: ...ght reserved Only for training and service purposes FPCB connector Connector CN902 No LCD or Key operation EL operating IC U901 No EL operation EL driver IC U900 No EL operation LCD connector Connector CN900 No LCD operation Touch Connector No Connector CN901 Touch operation TU750 ...

Page 202: ...ics Inc All right reserved Only for training and service purposes Ambient Light Sensor No ALC operation FPCB connector LCD assembly status Connector combination Spk Receiver connector No Speaker operation FPCB Connector LCD assembly status Connector combination TU750 ...

Page 203: ...9 PCB LAYOUT 204 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Motor pad Connector CN107 No Motor operation TU750 ...

Page 204: ...le phone 10 2 Environment 10 2 1 H W Environment PC with RS 232 Interface GPIB card installed GSM GPRS EDGE WCDMA Multimedia Mobile Set Agilent 8960 Series 10 E5515C Instrument E1987A above version A 05 28 Tektronix PS2521G Power Supply or Agilent A66311B ETC GPIB cable Serial cable RF cable Power cable Dummy battery 10 2 2 S W Environment National Instrument GPIB VISA version 2 60 full driver ins...

Page 205: ...CDMA Calibration Tx Calibration Input Output Power Check Æ TX Output Power Rx Calibration RX AGC Dynamics And RSSI Table Æ RX RSSI Freq Compensation 10 4 3 CF360 Calibration Step EGSMÆPCSÆDCSÆGSM850ÆWCDMA1900ÆWCDMA850 10 4 5 Calibration Channel and Frequency 1907 6Mhz 1880 0Mhz 1852 4Mhz Frequency 23 0 23 0 23 0 Target Power 4233 4183 4132 Channel WCDMA850 22 5 22 5 22 5 Target Power 846 6Mhz 836 ...

Page 206: ...obile phone the service engineers make a configuration of calibration environment like Figure10 1 And if you finish making configuration please execute the HotKimchi program See Figure 10 2 HotKimchi supports following functions Calibration of EGSM 900 DCS 1800 PCS1900 GSM850 WCDMA 1900 and WCDMA 850 Instrument Agilent8960 Tektronix PS2521G control UART communication with mobile phone Figure 10 2 ...

Page 207: ...nics Inc All right reserved Only for training and service purposes 10 CALIBRATION 10 5 2 SETTING Click SETTING Menu Setup Ezlooks menu such as the following figure Setup Line System menu such as the following figure Adjust the number of times TU750 TU750 ...

Page 208: ...r training and service purposes LGE Internal Use Only 10 CALIBRATION Setup Logic operation such as the following figure Select MODEL Click Start for RF Calibration Operation Mode By Pass not control by GPIB Setup UART port 10 5 3 Calibration Start and End TU750 TU750 ...

Page 209: ... This test software includes EGSM DCS PCS and WCDMA IMT band test 2 X CALMON Environment H W Environment PC with RS 232 Interface GPIB card installed GSM GPRS EDGE WCDMA Mobile Set Agilent 8960 Series 10 E5515C Instrument E1987A above version A 05 28 Tektronix PS2521G Power Supply or Agilent A66311B ETC GPIB cable Serial cable USB cable RF cable Power cable Dummy battery S W Environment National I...

Page 210: ...icate between PC and the mobile phone before you execute X CALMON Configure as Figure 11 1 Connect USB cable instead of Serial cable Press the key button of the mobile phone 8 0 and power key simultaneously Check if LG logo disappear after LG logo display for a while Check if the EMP USB Modem driver is connected on the modem port of your PC Check the port of Ericsson Mobile Platform EMPG USB WMC ...

Page 211: ...m you will see X CALMON program window like below If X CALMON program would be executed it checks the connection of instruments and initializes them automatically X CALMON supports following functions Test of EGSM900 DCS1800 PCS1900 and WCDMA IMT band Instrument Agilent8960 control USB and UART Board JIG for UART communication is needed communication with mobile phone X CALMON has three windows an...

Page 212: ...one which is running in ITP mode For example if you will enter command VERS and enter the return key you should get the response of the present running ITP version information from a mobile phone Figure 11 4 X CALMON ITP Command Window B Calibration Tree Window Icon When you click the calibration window icon C then you see the calibration tree window as the left side of Figure 11 5 That will be sh...

Page 213: ...tap views in calibration window as the right side of Figure 11 5 OUTPUT Log of Calibration result STATUS Log of Test result INSTRUMENT Control and view instrument connection status PC SETTING Control and view USB UART connection status MAX TARGET Control and view TX max target output power for the GSM and WCDMA band Figure 11 5 Tap view of calibration window ...

Page 214: ...o the Test for RF performance as the following procedure Configure PORT SET that is same with USB modem port as Figure 11 6 on the PC SETTING tab view Select Test tree menu You can select the GSM or WCDMA system Push F4 button in you keyboard Test procedure is executed Figure 11 6 POT SET Configuration PC SETTING tab view of calibration window 11 4 Stand alone Test ...

Page 215: ...ht 2008 LG Electronics Inc All right reserved Only for training and service purposes 11 STAND ALONE TEST And then you can see the log on the STATUS tab view as Figure 11 7 Figure 11 7 Test log window STAUS tab view of calibration window ...

Page 217: ...ctronics Inc All right reserved Only for training and service purposes 1 2 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29 30 31 32 34 35 33 36 37 22 21 20 19 18 17 16 15 14 13 12 11 38 39 41 42 43 32 44 45 46 47 48 49 50 51 66 65 64 52 40 63 67 68 69 70 71 72 73 74 75 62 59 61 60 58 57 56 55 54 53 76 77 78 79 80 81 ...

Page 219: ...ASS Y EXPLODED VIEW 220 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes A B C D E G M N O P H I J K Q W X V U L T S R Y Z A B C D E ...

Page 222: ...1101 COMPLEX empty Without Color 4 MSCY00 SLEEVE MSCY0003601 COMPLEX empty Without Color 3 MBAD00 BAG VINYL PE MBAD0005204 COMPLEX empty Without Color 3 MLAZ00 LABEL MLAZ0047801 PRINTING empty Without Color 3 MPAB00 PACKING BLISTER UPPER MPAB0001703 COMPLEX empty Without Color 2 APEY00 PHONE APEY0627601 Black 3 ACGM00 COVER ASSY REAR ACGM0115001 BLACK B 4 ADBY00 DECO ASSY ADBY0012901 Black 5 MDAD0...

Page 223: ...ut Color 55 4 MPBT00 PAD CAMERA MPBT0060401 COMPLEX empty Without Color 77 4 MPBU00 PAD CONNECTOR MPBU0032801 COMPLEX empty Without Color 63 4 MPBU01 PAD CONNECTOR MPBU0032501 COMPLEX empty Black 53 4 MPBZ00 PAD MPBZ0207501 COMPLEX empty Without Color 73 4 MPBZ01 PAD MPBZ0207701 COMPLEX empty Without Color 64 4 MPBZ02 PAD MPBZ0212001 COMPLEX empty Without Color 68 4 MSDB SPRING COIL MSDB0005501 CO...

Page 224: ...out Color 2 5 MTAZ00 TAPE MTAZ0168901 COMPLEX empty Without Color 5 MWAC00 WINDOW LCD MWAC0102501 CUTTING Tempered Glass Black 3 4 ADBY00 DECO ASSY ADBY0012301 Lower Deco Assy Black V 5 MDAP00 DECO SLIDE UPPER MDAP0002301 MOLD POM TX 31 Black 37 5 MMAA00 MAGNET SWITCH MMAA0009601 COMPLEX empty 1 Without Color 36 4 ARDY00 RAIL ASSY SLIDE ARDY0006301 Black W 32 5 MLAB00 LABEL A S MLAB0001102 C2000 U...

Page 225: ... WITHOUT COLOR 26 4 MPBT PAD CAMERA MPBT0059902 CUTTING EPDM Black E 28 4 MRDY00 REINFORCE MRDY0000601 COMPLEX empty WHITE 4 MTAB00 TAPE PROTECTION MTAB0228401 COMPLEX empty Without Color R 38 4 MTAB01 TAPE PROTECTION MTAB0280801 COMPLEX empty Without Color 4 MTAB02 TAPE PROTECTION MTAB0297001 COMPLEX empty WITHOUT COLOR 4 MTAC00 TAPE SHIELD MTAC0067601 COMPLEX empty Without Color N 19 4 MTAC01 TA...

Page 226: ...LEX empty Without Color 5 MTAC00 TAPE SHIELD MTAC0081801 COMPLEX empty Without Color 7 ACKA00 CAN ASSY SHIELD ACKA0010601 Without Color 50 8 MCBA00 CAN SHIELD MCBA0033501 PRESS STS 2mm Without Color 8 MPBU00 PAD CONNECTOR MPBU0036801 COMPLEX empty Without Color 52 7 MFEZ00 FRAME MFEZ0016401 COMPLEX empty Without Color 49 7 MTAC00 TAPE SHIELD MTAC0082101 COMPLEX empty Without Color 5 MLAZ00 LABEL M...

Page 227: ...10V K X7R HD 1005 R TP 6 C101 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C102 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C103 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 CN104 CONNECTOR BOARD TO BOARD ENBY0016601 20 PIN 0 4 mm STRAIGHT AU 0 9 STACKING HEIGHT 6 R102 RES CHIP MAKER ERHZ0000460 30 Kohm 1 16W J 1005 R TP 5 SACD00 PCB ASSY FLEXIBLE SMT TO...

Page 228: ...013401 WHITE ETC R TP SIDEVIEW LED empty empty empty 2P 7 MIC101 MICROPHONE SUMY0010609 UNIT 42 dB 3 76 2 95 1 1 mems smd mic OMNI empty empty 7 R101 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 7 R102 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 7 R103 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 7 R104 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 7 RA101 RES ARRAY R ERNR0000403 10000 o...

Page 229: ...P CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C907 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C908 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 CN900 CONNECTOR FFC FPC ENQY0014301 37 PIN 0 3 mm STRAIGHT 0 30MM FFC FPC STRAIGHT BOTH SMD empty empty 7 CN901 CONNECTOR BOARD TO BOARD ENBY0045801 14 PIN mm STRAIGHT 0 40MM STRAIGHT FEMALE SMD empty 7 CN9...

Page 230: ...ackPad 7 VA900 VARISTOR SEVY0004201 14 V SMD 120pF 1005 7 VA901 VARISTOR SEVY0001001 14 V SMD 50pF 1005 7 VA905 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 7 VA906 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 7 VA907 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 7 ZD1 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 7 ZD2 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 7 ZD3 DIODE TVS ED...

Page 231: ... TC 0603 R TP 8 C721 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 8 C722 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 8 C723 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 8 C724 CAP CERAMIC CHIP ECCH0009514 10 pF 25V D X7R HD 0603 R TP 8 C725 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 8 C726 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 10...

Page 232: ...018801 PIN mm ETC RCS 1 35 8 CN703 CONNECTOR ETC ENZY0018801 PIN mm ETC RCS 1 35 8 CN704 CONNECTOR ETC ENZY0018801 PIN mm ETC RCS 1 35 8 CN801 CONNECTOR BOARD TO BOARD ENBY0044101 60 PIN 0 4 mm STRAIGHT 0 40MM STRAIGHT MALE SMD empty 8 FL701 FILTER SAW SFSY0033403 1575 42 MHz 1 4 1 1 0 4 SMD 1574 42M 1576 42M IL 1 2 5pin U U 50 50 GPS HIGH ATTEN 1575 42 1 4 1 1 0 4 SMD R TP 8 FL702 FILTER SAW SFSY...

Page 233: ...10 Kohm 1 16W J 1005 R TP 8 R810 RES CHIP MAKER ERHZ0000439 200 Kohm 1 16W J 1005 R TP 8 R811 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 8 R812 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 8 U701 MODULE ETC SMZY0016502 LNA Module GPS LNA B P Filter RF Module 8 U702 IC EUSY0245902 DRL 5 PIN R TP SINGLE BUFFER 3STATE 1 7X1 7 8 U703 IC EUSY0332702 49 R TP A GPS for EMP U330 IC GPS...

Page 234: ...R TP 1 0 0 6 0 4 7 82V 100mW empty empty 2P 1 7 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0063901 8 BAT301 BATTERY CELL LITHIUM SBCL0001701 2 V 0 5 mAh CYLINDER Reflow type BB Max T 1 67 phi 4 8 Pb Free 7 SPCY PCB FLEXIBLE SPCY0144101 POLYI 0 4 mm BUILD UP 4 RFPCB 4 2 4 5 SPKY00 PCB SIDEKEY SPKY0056301 POLYI 0 2 mm DOUBLE KF750 VOLUME SIDEKEY 5 SVCY00 CAMERA SVCY0017001 CMOS MEGA 5M AF Micron 1 3 2 MI5...

Page 235: ... R TP 6 C220 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 6 C221 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 6 C222 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 6 C223 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 6 C224 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 6 C225 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 06...

Page 236: ...5R TC 1005 R TP 6 C310 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C311 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C312 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C313 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C314 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C315 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005...

Page 237: ...5 R TP 6 C341 CAP CERAMIC CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP 6 C342 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C343 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C344 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C345 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C346 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C...

Page 238: ...V K X5R TC 0603 R TP 6 C501 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C502 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C503 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C504 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C505 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C...

Page 239: ...CONNECTOR ETC ENZY0016301 3 PIN 3 0 mm ETC H 2 0 6 CN401 CONNECTOR BOARD TO BOARD ENBY0040301 34 PIN 0 4 mm ETC H 1 0 Socket 6 CN601 CONNECTOR I O ENRY0008501 5 mm ANGLE 0 64MM ANGLE empty DIP R TP 6 CN603 CONNECTOR BOARD TO BOARD ENBY0043701 20 PIN 0 4 mm STRAIGHT 0 40MM STRAIGHT FEMALE SMD empty 6 CN604 CONNECTOR BOARD TO BOARD ENBY0044201 60 PIN 0 4 mm STRAIGHT 0 40MM STRAIGHT FEMALE SMD empty ...

Page 240: ...603 R TP 6 R140 RES CHIP MAKER ERHZ0000270 33 ohm 1 16W F 1005 R TP 6 R141 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 6 R203 RES CHIP MAKER ERHZ0000267 3300 ohm 1 16W F 1005 R TP 6 R205 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R206 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 6 R207 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R212 RES CHIP MAKER ERHZ00...

Page 241: ...V K X5R TC 1005 R TP 6 R313 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R314 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R315 RES CHIP MAKER ERHZ0003901 0 1 ohm 1 4W F 2012 R TP 0 1 1 1 4W 2012 R TP 6 R316 RES CHIP MAKER ERHZ0000449 24 Kohm 1 16W J 1005 R TP 6 R319 RES CHIP MAKER ERHZ0000265 300 Kohm 1 16W F 1005 R TP 6 R320 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R321 RES CHIP ERHY0000181 15 ...

Page 242: ...P 6 R513 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R514 RES CHIP MAKER ERHZ0000530 5 1 Kohm 1 16W J 1005 R TP 6 R516 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R517 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R518 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R519 RES CHIP MAKER ERHZ0000331 110 Kohm 1 16W F 1005 R TP 6 R520 RES CHIP MAKER ERHZ0000518 91...

Page 243: ...C EUSY0319001 WDFN 8L 8 PIN R TP 300mA 300mA 2 8V 1 8V Dual LDO 6 U402 IC EUSY0232812 SON1612 6 6 PIN R TP 2 8V 150mA LDO 6 U501 IC EUSY0334201 BGA 12 PIN R TP 4 BIT BIDIRECTIONAL VOLTAGE LEVEL TRANSLATOR ZXU type 6 U502 IC EUSY0230104 CSP 36 PIN R TP SUB PMIC ALC 2LDO_150mA 1 33X IC Sub PMIC 6 U503 IC EUSY0294801 SON1612 6 6 PIN R TP 3 1V 150mA LDO Pb Free 6 U504 IC EUSY0154415 6 U505 IC EUSY0349...

Page 244: ...000115 22 pF 50V J NP0 TC 1005 R TP 6 C114 INDUCTOR CHIP ELCH0001031 15 nH J 1005 R TP PBFREE 6 C115 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C116 CAP CHIP MAKER ECZH0000846 8 2 pF 50V C NP0 TC 1005 R TP 6 C117 INDUCTOR CHIP ELCH0001030 8 2 nH J 1005 R TP PB FREE 6 C119 CAP CHIP MAKER ECZH0003504 100 nF 25V K X7R HD 1608 R TP 6 C120 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 T...

Page 245: ...J NP0 TC 1005 R TP 6 C402 CAP CERAMIC CHIP ECCH0000109 8 pF 50V D NP0 TC 1005 R TP 6 C403 CAP CERAMIC CHIP ECCH0000109 8 pF 50V D NP0 TC 1005 R TP 6 C408 CAP TANTAL CHIP ECTH0003701 10 uF 6 3V M L_ESR 1608 R TP 6 C409 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C410 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C411 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R...

Page 246: ...P SFBH0008105 1800 ohm 1005 Chip bead 1800ohm empty R TP 6 FB401 FILTER BEAD CHIP SFBH0000903 600 ohm 1005 6 FB403 FILTER BEAD CHIP SFBH0000903 600 ohm 1005 6 FL101 DUPLEXER PCS SDPY0004401 1880 MHz 1960 MHz 2 7 dB 3 2 dB 54 dB 44 dB 3 0 3 0 1 2 SMD Band2 Duplexer FBAR only use UMTS 1960 1930 5 to 1989 5 1880 1850 5 to 1909 5 3 2 2 7 3 0x3 0x1 2 DUAL SMD empty 6 FL102 DUPLEXER DCN SDDY0004001 836 ...

Page 247: ...8 nH J 1005 R TP 6 L117 INDUCTOR CHIP ELCH0004716 39 nH J 1005 R TP 6 L401 INDUCTOR SMD POWER ELCP0008004 4 7 uH M 1 R TP 0 3NH NON SHIELD 2 5X2X1MM 11MM R TP 6 L402 INDUCTOR SMD POWER ELCP0008004 4 7 uH M 1 R TP 0 3NH NON SHIELD 2 5X2X1MM 11MM R TP 6 PT101 THERMISTOR SETY0007101 NTC 4700 ohm SMD 1005 J B 3500K 6 Q201 TR BJT NPN EQBN0013301 2 2H1A 1 W R TP VEBO 6V Pb free 6 R101 CAP CHIP MAKER ECZ...

Page 248: ... 16W J 1005 R TP 6 R142 RES CHIP MAKER ERHZ0000496 560 ohm 1 16W J 1005 R TP 6 R145 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R146 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R147 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R149 INDUCTOR CHIP ELCH0001036 5 6 nH S 1005 R TP PBFREE 6 R150 CAP CERAMIC CHIP ECCH0001001 6 8 pF 50V C NP0 TC 1005 R TP 6 R151 INDUCTOR CHIP EL...

Page 249: ...Tx empty 1880MHz 60MHz SMD R TP 6 U102 RF MODULE HANDSET SMRH0004901 MHz MHz Tx Module ASM PAM WCDMA TriMode 6 U103 PAM SMPY0016101 29 dBm 40 75 mA 38 dBc 27 5 dB 3x6x1 0 SMD Dual PAM BandII V for EMP U360 R TP R TP 14 6 U104 COUPLER RF DIRECTIONAL SCDY0003901 19 8 dB 0 28 dB 33 dB 1 0 0 5 0 4 SMD Pb free_Coupler_DCN Tx empty 836 5MHz 25MHz SMD R TP 6 U105 IC EUSY0299401 6 PIN R TP 0 3_2v 6 U106 I...

Page 250: ... Internal Use Only 12 EXPLODED VIEW REPLACEMENT PART LIST Level Location No Description Part Number Spec Color Remark 6 X401 X TAL EXXY0023301 27 MHz 50 PPM 9 pF 50 ohm SMD 3 2 2 5 0 7 30ppm at 20 C 70 C Pb Free 6 ZD501 DIODE TVS EDTY0009401 VMN2 5 V 10 W R TP 1 0 0 6 0 4 7 82V 100mW empty empty 2P 1 ...

Page 251: ...501 3 7 V 900 mAh 1 CELL PRISMATIC 553443 INNERPACK WW 3 7 900 180 PRISMATIC 5 5X34X43 6 1X44X37 5 BLACK INNERPACK WW LABEL Black 3 SSAD ADAPTOR AC DC SSAD0027604 100 240V 5060 Hz 5 1 V 7 A UL Micro USB B type ID 180Kohm F 5 1V 0 7A WALL 2P USB 㾌 ADAPTOR AC DC SSAD0027605 100 240V 5060 Hz 5 1 V 0 7 A UL Micro USB B type ID 180Kohm F 5 1 0 7 WALL 2P USB 㾌 ADAPTOR AC DC SSAD0027606 100 240V 5060 Hz ...

Search results

Summary of Contents for TU750

Reviews:

Related manuals for TU750

Brands by name

Popular brands

LG TU750, Service Manual

Search results

Summary of Contents for TU750

Reviews:

Related manuals for TU750

Brands by name

Popular brands