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LGE Internal Use Only

9. BGA Pin Map

GD910 service manual

PMB 8879 Pin Configuration (Top View)

: NC Pin

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Содержание GD910

Страница 1: ...Service Manual Model GD910 Internal Use Only Service Manual GD910 Date July 2009 Issue 1 0 ...

Страница 2: ...liﬁer Module 56 4 5 WCDMA Band1 Power Ampliﬁer Module 57 4 6 WCDMA Band1 8 Low Noise Ampliﬁer 58 4 7 WCDMA Band1 Duplexer 59 4 8 Bluetooth 60 5 Trouble shooting 62 5 1 Trouble shooting test setup 62 5 2 Power on trouble 63 5 3 Charging Trouble 67 5 4 USB Trouble 70 5 5 SIM Detect Trouble 72 5 6 Side Key Trouble 75 5 7 Audio Trouble 76 5 8 Microphone Trouble 78 5 9 VGA Camera 80 5 10 Main LCD Troub...

Страница 4: ...ion service of facilities accessed through or connected to it LGE 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 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 telepho...

Страница 5: ... and Attenuation GD910 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 contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist stra...

Страница 6: ...watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory EGPRS Enhanced General Packet Radio Service EL Electroluminescence ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum Shift Keying GPIB General Purpose Interface Bus GPRS General Packet Radio Service GSM Global System for Mobile Communications IPUI International Portable U...

Страница 7: ...uare RTC Real Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory STMR Side Tone Masking Rating TA Travel Adapter TDD Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator ...

Страница 8: ...h Battery 2 Packaging Type Standard Item Feature Comment Size 61 39 13 9mm Weight 89 92g With Battery GSM 190 hours paging period 5 Stand by time WCDMA 170 hours DRX 7 GSM 110 mins Tx level 5 WCDMA 127 mins Tx 12dBm Talk time WCDMA VT 50 mins Tx 12dBm Item Feature Comment Supporting Standard WCDMA 2100 GSM EGSM DCS PCS with seamless handover Phase 2 include AMR SIM Toolkit Class 1 2 3 A E Frequenc...

Страница 9: ...00 Class1 DCS Class1 PCS TX output power EDGE EGSM900 26 dBm DCS1800 26 dBm PCS1900 26 dBm E2 EGSM900 E2 DCS E2 PCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 Display Main LCD 1 43 128 x 160 Built in Camera VGA ANT Main Sub Internal Fixed Type System connector 5 Pin Ear Phone Jack N A PC synchronization Yes Speech coding FR EFR HR AMR Vibrator Built in Vibrator Blue Tooth V2...

Страница 10: ...m 33dBm 3dB DCS PCS 0dBm 30dBm 3dB Burst Timing 3 69us Spectrum due to modulation out to less than 1800kHz offset 200kHz 36dBm 600kHz 51dBm 56dBm Spectrum due to modulation out to larger than 1800kHz offset to the edge of the transmit band GSM 1800 3000kHz 63dBc 46dBm 3000kHz 6000kHz 65dBc 46dBm 6000kHz 71dBc 46dBm DCS 1800 3000kHz 65dBc 51dBm 6000kHz 73dBc 51dBm Spectrum due to switching transien...

Страница 11: ...m 3 84 MHz Occupied Bandwidth 5 MHz at 3 84 Mcps 99 of power Adjacent Channel Leakage Power Ratio ACLR 33 dB 5 MHz 43 dB 10 MHz Spurious Emissions f fc 12 5 MHz 36 dBm 1 kHz RW 9 kHz f 150 kHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 41 dBm 300 kHz RW 1893 5 MHz f 1919 6 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm 100 kHz RW 935 MHz f ...

Страница 12: ...c 52 dBm 3 84 MHz 5 MHz Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset 20 MHz Spurious Emissions 57 d...

Страница 13: ...B 5 MHz 43 dB 10 MHz Adjacent Channel Leakage Power Ratio ACLR Sub Test 1 1 15 2 12 15 3 13 15 4 15 8 5 15 7 6 15 0 Spectrum Emission Mask HS DPCCH 1920MHz 1980 MHz Transmit Frequency Specification Item 2 3 5 End of CQI 4 0 6 0 Middle of CQI 3 0 6 1 Start of CQI 2 2 3 6 Start of Ack Nack 1 5 Transmitter power step tolerance dB Power step size P dB Power step slot boundary Power step Sub test in ta...

Страница 14: ...ng and service purposes LGE Internal Use Only 2 PERFORMANCE GD910 service manual HSDPA Tx Frequency spec Item Specification Receive Frequency 2110 MHz 2170 MHz Maximum Input Level BLER or R 16QAM Only Sub Test 1 1 15 2 12 15 3 13 15 4 15 8 5 15 7 6 15 0 BLER 10 or R 700kbps ...

Страница 15: ...ronics Inc All right reserved Only for training and service purposes 3 BB Circuit Technical brief 3 BB Circuit Technical brief GD910 service manual 3 1 Functional Block Diagram Figure 3 1 Functional Block Diagram GSM900 1800 1900 UMTS Band1 WCDMA2100 ...

Страница 16: ...nics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 BB Circuit Technical brief GD910 service manual 3 2 Baseband Processor Introduction Figure 3 2 Top level block diagram of S GOLD 3H PMB8878 ...

Страница 17: ...support multi slot operation modes HSCSD up to class 10 GPRS for high speed data application up to class 12 EGPRS up to class 12 and DTM class11 without additional external hardware 3 2 2 Block Description z Processing core ARM926EJ S 32 bit processor core for controller functions The ARM926EJ S includes an MMU and the Jazelle Java extension for Java acceleration and a MOVE co processor to acceler...

Страница 18: ...nnected to the multi layer AHB backbone by asynchronous burst capable AHB2AHB bridges which are shared between accessing masters The DMA controller is enabled to access AHB_PER1 by use of its first master interface and AHB_PER2 by its second master interface z TEAKLite Bus System 1 TEAKLite data bus for connecting the TEAKLite data memory and the TEAKLite peripherals Also the data bus is connected...

Страница 19: ...porting AES DES 3 DES Hash function RSA acceleration Secret Root Key e fuse and Key Management True Random Number Generator Sample Rate Converter SRC for audio up sampling Comprehensive static and dynamic Power Management Various frequency options during operation mode 32 kHz clock in standby mode Sleep control in standby mode RAMs and ROMs in power save mode during standby mode Additional leakage...

Страница 20: ...te Boot ROM 20kByte Communication RAM HW accelerators for Transmit Path Inner and Outer Receiver for Release5 incl HSDPA 3 2 3 RF Interface T_OUT S Gold 3H uses this interface to control RF IC and Peripherals Table 3 2 3 1 RF Interface Spec T_OUT Resource Interconnection Description T_OUT0 TXON_PA PAM Power on T_OUT1 T_OUT2 ANT_SEL1 T_OUT3 T_OUT4 FEM control T_OUT5 FEM control T_OUT6 PA_MODE PAM M...

Страница 21: ...is block operates charging process and other related process by reading battery voltage and other analog values Table 3 2 4 1 S Gold3 ADC channel usage ADC channel Resource Interconnection Description M0 BAT_ID Battery temperature measure M1 RF_TEMP RF block temperature measure M2 REMOTE_ADC M3 JACK_TYPE Accessory type detect M4 LCD_ID M5 N C M6 N C M7 H W VERSION H W version detect M8 VBAT Batter...

Страница 22: ...tion KEY MATRIX KP_IN0 BACK_UP_EN KP_IN1 KEY_IN 1 KP_IN2 KEY_IN 2 KP_IN3 DSR KP_IN4 TA_DETECT KP_IN5 N C KP_IN6 KEY_IN 6 KP_OUT0 KP_OUT 0 KP_OUT1 KEY_OUT 1 KP_OUT2 N C KP_OUT3 KEY_OUT 3 USIF1 USIF1_RXD_MRST UART_RX UART Data USIF1_TXD_MTSR UART_TX UART Data USIF1_RTS_N USB_ DAT_VP USB Data USIF1_CTS_N USB_SE0_VM USB Data USIF2 USIF2 _RXD_MRST BT_REG_ON Bluetooth UART Data USIF2 _TXD_MTSR BT_RESETB...

Страница 23: ...CIF_D5 VGA_CAM_DATA 5 CIF_D6 VGA_CAM_DATA 6 CIF_D7 VGA_CAM_DATA 7 CIF_PCLK CAM_PCK CIF_HSYNC CAM_HSYNC CIF_VSYNC CAM_VSYNC CLKOUT2 CAM_MCK CIF_PD _CHG_EN CIF_RESET VGA_RESET LCD I F DIF_D0 DIF_D0 DIF_D1 DIF_D1 DIF_D2 DIF_D2 DIF_D3 DIF_D3 DIF_D4 DIF_D4 DIF_D5 DIF_D5 DIF_D6 DIF_D6 DIF_D7 DIF_D7 DIF_D8 DIF_D8 DIF_CS1 DIF_CS1 EINT4 DIF_CD LCD_RS DIF_WR DIF_WR GPIO_98 DIF_HD DIF_VSYNC DIF_VD DIF_RESET1...

Страница 24: ...CARD DATA CC_CLK SIM_CLK SIM CARD CLOCK CC_RST SIM_RST SIM CARD RESET I2S2 GPIO_31 BT_RESET_N Bluetooth reset GPIO_102 GPIO_32 CC0CC7IO GPIO_34 GPIO_103 External Memory MMCI_CMD MMCI_DAT 0 MMCI_CLK MMC1_DAT 1 MMC1_DAT 2 MMC1_DAT 3 MMC2_CMD MMC2_DAT 0 MMC2_CLK IrDA GPIO_110 GPIO_111 I2S1 I2S1_CLK0 BT_PCM_CLK For Bluetooth I2S1_CLK1 I2S1_RX BT_PCM_OUT For Bluetooth I2S1_TX BT_PCM_IN For Bluetooth I2...

Страница 25: ...VMICP VMIC_P Power for MIC VMICN GND Ground for MIC ADC M0 Battery temperature measure M1 RF_TEMP RF block temperature measure M2 M3 Accessory type detect M4 LCD BANDER DETECT M7 H W version detect M8 VBAT M10 Reference VREF VREFN IREF GND with resistor JTAG I F JTAG0_TDO JTAG0_TDI JTAG0_TMS JTAG0_TCK JTAG0_TRST_n JTAG0_RTCK JTAG1_TDO JTAG1_TDI JTAG1_TMS JTAG1_rTCK JTAG0_TRST_n ETM I F TRIG_IN MON...

Страница 26: ... 0 NAND_IO 0 MEM _AD 1 NAND_IO 1 MEM _AD 2 NAND_IO 2 MEM _AD 3 NAND_IO 3 MEM _AD 4 NAND_IO 4 MEM _AD 5 NAND_IO 5 MEM _AD 6 NAND_IO 6 MEM _AD 7 NAND_IO 7 MEM _AD 8 NAND_IO 8 MEM _AD 9 NAND_IO 9 MEM _AD 10 NAND_IO 10 MEM _AD 11 NAND_IO 11 MEM _AD 12 NAND_IO 12 MEM _AD 13 NAND_IO 13 MEM _AD 14 NAND_IO 14 MEM _AD 15 NAND_IO 15 MEM _WR_n _WR MEM _RD_n _RD MEM _BC0_n _BC0 MEM _BC1_n _BC1 MEM _BC2_n LDQS...

Страница 27: ...A 14 SD DATA 14 MEM _A 15 SD DATA 15 MEM _A 16 SD ADD 0 SDRAM ADDRESS MEM _A 17 SD ADD 1 MEM _A 18 SD ADD 2 MEM _A 19 SD ADD 3 MEM _A 20 SD ADD 4 MEM _A 21 SD ADD 5 MEM _A 22 SD ADD 6 MEM _A 23 SD ADD 7 MEM _A 24 SD ADD 8 MEM _A 25 SD ADD 9 MEM _A 26 SD ADD 10 MEM_CSA0_N SD ADD 11 MEM_CSA1_N SD ADD 12 MEM_CSA2_N SD ADD 13 MEM_CSA3_N BA0 MEM _CS0_n _NAND_CS MEM _CS1_n _RAM_CS MEM _CS2_n MEM _CS3_n ...

Страница 28: ...terminate signal CC0CC2IO SD card detect T_OUT6 PA_MODE PAM T_OUT7 ANT_SEL2 T_OUT8 ANT_SEL3 GPIO_52 DSR CC1CC7IO JACK_DETECT Jack detect GPIO_54 GPIO_55 RF I F RF_STR0 2G_EN CC1CC5IO _PPR Charger detect RF_DATA 2G_DATA RF_CLK 2G_CLK GPIO 7 3G_LD GPIO 10 3G_MASTER_ON GPIO 15 3G_PA_MODE1 GPIO 16 ANT_SEL4 GPIO 17 ANT_SEL5 GPIO 18 ANT_SEL6 System Port AFC AFC CLKOUT0 26MHz CLK_26M Not used F26M 26MHZ ...

Страница 29: ... for a complete advanced GSM Edge smart phone minimizing external device count Block Description Highly efficient step down converter for main digital baseband supply including Core DSP and memory interface External Bus Unit Support of S GOLD standby power down concept Low drop out LDO regulators for Flash and mobile RAM memory devices Voltage independent switching of two SIM cards LDO regulators ...

Страница 30: ...fter the SDBB SM POWER supports the standby power down concept of S GOLD by temporarily switching off the linear regulator for the DSP during mobile standby whenever this subsystem is not used In this phase the ARM controller and most peripherals including parts of the on chip SRAM are kept powered up withpower being supplied by the other linear regulator SM POWER includes a fully differential aud...

Страница 31: ...and signaling with i e change of colour driver for Vibra Motor with adjustable voltages soft startup shutdown and current limitation SMPOWER offers several control functions Power on Reset Generator with logic state machine I2C bus interface I2C bus configurable mode control logic with ON push button or RTC VCXOEN and LRF3EN wake up by Bluetooth inputs Programable interrupt channels to handle peri...

Страница 32: ...VBT CN200 1 2 2V8_VMME C213 2 2u C205 33u 2 2u C479 2V62_VIO 2 2u C201 C232 2 2u C227 2 2u VBAT 1V8_SD VDD_CHARGE 100K R204 2V8_TOUCH 2V11_RTC 0 1u C212 VSS9 C7 VSS_MONO VSS_SD1 H8 H4 VSS_SD2 D9 VSS_VREF J11 VUMTS A4 VUSB VVIB F11 WDOG L3 VSS21 VSS22 G5 VSS23 G6 G7 VSS24 VSS25 G8 G9 VSS26 VSS27 H5 H6 VSS28 VSS29 H7 D5 VSS3 J6 VSS30 VSS4 D6 D7 VSS5 VSS6 D8 E4 VSS7 VSS8 E5 E6 L11 VSD2 L1 VSIM G10 C6...

Страница 33: ...4 V b Dedicated 3 54 V 3 34 V 10 Low battery alarm interval a Idle 3 min b Dedicated 1 min 11 Switch off voltage 3 34 V 12 Charging temperature adc range a 20 low charging voltage operation 3 6 V 3 9 V b 20 60 standard charging up to 4 2 V c 60 low charging voltage operation 3 6V 3 9V GD910 service manual Figure 3 3 2 1 Charging IC ISL9221 EOC Current 67mA Charging Current 379mA Charger IC VCHG R3...

Страница 34: ...ronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 BB Circuit Technical brief GD910 service manual Table 3 3 2 1 PIN description of Charging IC Figure 3 3 2 1 Block diagram of Charging IC ...

Страница 35: ... 36 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 3 BB Circuit Technical brief GD910 service manual Figure 3 3 2 2 Charging Profile ...

Страница 36: ...D_KEY button If push the END_KEY button voltage level of PWRON pin is changed from high to low ON_OFF1 is a power on input for SM POWER3 with active low edge ON_OFF2 is for power off alarm clock SEND KEY_IN 1 KEY_OUT 1 CLR KEY_IN 2 KEY_OUT 1 Remote Power Side Key R317 47K 10K R320 220K R322 VA300 ICVL0505101V150FR 2 5 6 3 1 4 EMX18 Q301 VBAT VBAT R318 100K 1 2 3 4 5 6 CN301 C308 10u 220K R321 Q300...

Страница 37: ...M_IO SIM_CLK SIM_RST ports are used to communicate with S Gold3H and the SIM power supply enabled by PMIC SIM Interface SIM_CLK SIM card reference clock SIM_RST SIM card Async sync reset SIM_IO SIM card bidirectional reset SIM C245 33p C247 1u 4 7K R212 2V9_SIM 2V9_SIM C246 DNI C248 33p CLK 3 4 GND1 GND2 7 8 GND3 GND4 9 10 GND5 IO 6 2 RST 1 VCC VPP 5 J200 SIM_IO SIM_CLK SIM_RST GD910 service manua...

Страница 38: ... NC26 G9 NC27 G10 NC28 H3 NC29 H4 A3 NC3 NC30 H5 H6 NC31 H7 NC32 H8 I_O6 I_O7 C10 I_O8 N11 I_O9 M11 K6 LDQM LDQS L6 NC1 A1 B10 NC10 B11 NC11 NC12 B12 NC13 C1 NC14 C2 C3 NC15 NC16 C11 NC17 C12 D1 NC18 D2 M6 N6 DQ7 DQ8 M7 DQ9 N7 P10 I_O0 N10 I_O1 L11 I_O10 I_O11 K11 I_O12 G11 I_O13 F11 E11 I_O14 D11 I_O15 M10 I_O2 L10 I_O3 F10 I_O4 E10 I_O5 D10 F5 CKE D7 K3 CLE CLK C7 DQ0 L4 DQ1 M4 DQ10 L8 M8 DQ11 N...

Страница 39: ... _DIF_WR C249 2 2K R216 1u 1u C263 C250 1u _DIF_CS1 LCD_RS C267 1u DIF_VSYNC 2V62_VIO C268 1u 1u C258 DIF_D0 DIF_D7 1u C261 2V62_VIO 1u C262 C266 1u 9 27 28 29 3 30 31 32 33 34 35 36 4 5 6 7 8 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 CN203 AXT536124 G1 G2 G3 G4 1 10 11 12 C252 1u _DIF_RESET 2V85_VLCD MLED2 VDD GVDD VCL C21 C22 VGH _DIF_CS1 LCD_RS C21 C11 C11 AVDD MLED1 DIF_D7 DIF_D5 DIF_D3 DIF_...

Страница 40: ... camera module or other peripheral circuits Charge pump C254 1u C255 1u 0 1u C260 2 2u C244 C256 1u C510 0 1u C239 1u 1u C478 FB1 1u C240 VBAT_LCD_BL VGA_DVDD_1V8 17 GPO3 G_SLUG 29 LDOUT1 15 13 LDOUT2 20 LMON 22 PD PGND 7 SCL 11 SDA 12 10 VIN1 14 VIN2 4 VOUT 23 VREF C1M 9 C1P 8 C2M 6 5 C2P CD 21 DIN1 3 2 DIN2 DIN3 1 28 DIN4 26 DIN5 DIN6 25 DIN7 24 GND1 27 16 GND2 GPO1 19 18 GPO2 SM8158BB G EL U201...

Страница 41: ...l brief GD910 service manual 3 9 Battery voltage monitor S Gold3H is monitor battery capacity with ADC port Figure3 9 1 Battery voltage monitor circuit diagram N6 PAOUT1 E3 M0 M1 D2 C6 M10 D3 M2 M3 C1 M4 C2 C4 M5 M6 B4 C5 M7 B5 M8 B6 M9 L5 BB_I L6 BB_IX M5 BB_Q M6 BB_QX AC20 VBAT 100K R101 390K R100 2G_QN 2G_QP 2G_IN 2G_IP RF_TEMP PA_LEVEL ...

Страница 42: ...Speaker AMP circuit diagram 3 10 2 Microphone circuit Figure 3 13 2 1 Microphone circuit diagram AUDIO AMP 100K R219 1u C253 RCLAMP0521P_TCT RCLAMP0521P_TCT ZD201 ZD200 C265 22p 22n C257 C264 22p 82K R217 L417 VDD2 D4 VO VO A4 A1 _SD 120nH GND1 A2 A3 GND2 GND3 B3 C2 GND4 GND5 C3 D2 GND6 GND7 D3 IN C1 IN D1 B1 NC B4 VDD1 C4 U202 TPA2005D1ZQYR R218 82K C251 22n 120nH L418 CN204 1 2 VBAT SPK_AMP_EN S...

Страница 43: ...G Electronics Inc All right reserved Only for training and service purposes 3 BB Circuit Technical brief GD910 service manual 3 11 5 PIN Interface connector GD910 service ma 1 VCHG 2 GND 3 Multiport1 4 Multiport2 5 VBUS Table 3 11 1 PIN assign ...

Страница 44: ...TX 1800 1900MHz PA_LEVEL I IX Q QX TXON_PA AFC RF_EN RF_DA RF_CLK PA_LEVEL PA_BAND TXON_PA MODE 3 Wire Bus interface 26MHz_MCLK BT_CLK Decoder ANT_SW2 RF Control Unit GSM Timer Unit 26MHz VBAT PA Control Hardware 900MHz 3G BAND1 Rx RF SAW 3G LNA 3G PAM Rx Tx PMB6821 SM Power RF2 85V RF1 5V VBAT SM Power RF2 85V RF1 5V VBAT PA_EN PA_MODE PA_EN PA_MODE TXI TXIX TXQ TXQX EN DATA CLK RX 850MHz 3G BAND...

Страница 45: ...d W CDMA transceiver for voice and high speed data applications SMARTi3G features a direct conversion receiver and a direct modulation transmitter Analog I Q baseband interfaces are supported A three wire bus interface is provided for control and programming A second three wire bus may optionally be used for fast control of the receiver programmable gain amplifier Fractional N PLL RF synthesizers ...

Страница 46: ...ight 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 RF Circuit Technical Brief GD910 service manual Figure 4 1 2 RF Functional Block Diagram TX1 900MHz ...

Страница 47: ...0 MMCI2_DAT0 N6 PAOUT1 AC1 LINE_RIGHT_NC3 E3 M0 M1 D2 C6 M10 D3 M2 M3 C1 M4 C2 C4 M5 M6 B4 C5 M7 B5 M8 B6 M9 A23 LINE_LEFT_NC0 A1 LINE_LEFT_NC1 AC23 LINE_RIGHT_NC2 I2RF_DATA B2 A2 I2RF_SCLK A3 I2RF_STR0 F11 F26M_1 C10 CLKOUT0 CLK26M C8 L5 BB_I L6 BB_IX M5 BB_Q M6 BB_QX AC21 ARXN_I ARXN_Q AB22 ARXP_I AC20 AB23 ARXP_Q AC18 ATXN_I ATXN_Q AC19 ATXP_I AB18 ATXP_Q AB19 ATX_PA_ADC AB17 ATX_PA_DAC AC15 AC...

Страница 48: ...formed by low high band quadrature direct down conversion mixers The baseband chain contains a LNB low noise buffer channel filter output buffer and DC offset compensation The 3rd order lowpass filter is fully integrated and provides sufficient suppression of blocking signals as well as adjacent channel interferers and avoids anti aliasing through the baseband ADC The receive path is fully differe...

Страница 49: ...ata rectangular I Q coordinates is converted to digital data stream and is subsequently transformed to polar coordinates by means of a CORDIC algorithm The resulting amplitude information is fed into a digital multiplier for power ramping and level control The ready processed amplitude signal is applied to a DAC followed by a low pass filter which reconstructs the analog amplitude information The ...

Страница 50: ...ow the transfer of the phase modulation The loop bandwidth is automatically adjusted prior to each slot OLGA2 To overcome the statistical spread of the loopfilter element values an automatic loopfilter adjustment ALFA is performed before each synthesizer startup The fully integrated quad band VCO is designed for the four GSM bands 900 1800 1900 MHz and operates at double or four times transmit or ...

Страница 51: ...GSM850_RX1 12 13 GSM850_RX2 14 GSM900_RX1 15 GSM900_RX2 UMTS1 20 UMTS2 21 22 LMSP43QL 771 FL400 ANT 2 GND1 1 10 1 2 ANT401 C440 0 1u 1 A1 A2 5 B1 2 6 B2 4 GND 8 VCC Y1 7 Y2 3 NL27WZ32USG U403 1800 FB404 1800 FB403 SW400 MM8130 2600 G1 G2 G3 G4 IN OUT 1800 FB401 1800 FB402 C439 1000 pF 1u C444 2V85_VRF C400 6 8p 100p C405 2 2nH C401 L426 NA 2V85_VRF C517 DNI ANT_SEL6 ANT_SEL2 ANT_SEL1 ANT_SEL4 ANT_...

Страница 52: ...al 4 3 1 WCDMA Receiver The direct conversion receiver for each band consists of fully differential signal path RF low noise amplifier LNA2 I Q demodulator including LO buffer and I Q divider LO including on chip VCO and synthesizer DC offset compensation without external components analog channel filter including auto calibration circuit w o external components programmable gain control PGC contr...

Страница 53: ...external components automatic carrier adjustment also featuring compensation of residual I Q DC offsets I Q modulator including LO buffer and I Q divider LO including on chip VCO and synthesizer RF voltage controlled gain amplifier VGA For each band the modulator performs a direct quadrature modulation of the baseband input signals at I and Q The internally divided RF VCO signal is split into two ...

Страница 54: ...r with fast locking The VCO s run at 4 GHz and the RX and TX frequencies are obtained through division by two bands I II III and IV or four bands V and VI The PLL loop filters are fully integrated The reference frequency has to be provided by an external clock The total VCO frequency range is divided in 256 subranges in order to limit the VCO slope Before the settling process of the PLL starts a s...

Страница 55: ...hematic Diagram of 2 5G PAM TQM7M5005 Table 4 4 1 TQM7M5005 Pin description C455 0 1u R408 1 2K C451 10n U402 BS 3 13 BY_CAP1 BY_CAP2 9 1 DCS_PCS_IN DCS_PCS_OUT 12 14 GND1 GND2 11 GND3 8 7 GSM850_900_IN 10 GSM850_900_OUT 2 MODE_SELECT 15 PGND TX_EN 6 4 VBATT 5 VRAMP TQM7M5005 C449 1 5p L405 27nH C453 33p 18p C454 VBAT L406 2 7nH C509 6 8p 39p C456 10u C448 10n C450 2G_BS PA_LEVEL PA_MODE LBAND_IN ...

Страница 56: ...GD910 service manual 4 5 WCDMA Band1 Power Amplifier Module Figure 4 5 1 Schematic Diagram of WCDMA Band1 8 PAM ACPM7383 Table 4 5 1 ACPM7383 Pin description C467 100p 100p C468 PGND 11 2 RFIN RFOUT 8 VBP 3 1 VCC1 VCC2 10 5 VEN VMODE 4 ACPM 7383 U405 GND1 6 7 GND2 9 GND3 C466 100p VBAT 1000 pF C464 C465 2 2u VBAT_PA 2 2u C508 WDCDC_EN 3G_PA_MODE1 ...

Страница 57: ...e purposes 4 RF Circuit Technical Brief GD910 service manual 4 6 WCDMA Band1 8 Low Noise Amplifier Figure 4 6 1 Schematic Diagram of WCDMA Band1 LNA BGA711L7 Table 4 6 1 BGA711L7 Pin description DNI C473 C475 10n 12pF C504 3 7 PGND RFIN 1 RFOUT 6 RREF 5 VCC 4 BGA711L7 U406 EN 2 GS 2V85_VRF 27K R411 47pF C471 ...

Страница 58: ...rposes LGE Internal Use Only 4 RF Circuit Technical Brief GD910 service manual 4 7 WCDMA Band1 Duplexer L414 2 7nH 82nH L428 1 5nH L413 4 5 GND3 GND4 7 GND5 8 GND6 9 1 RX TX 3 FL402 SAYFP1G95AA0B00 ANT 6 GND1 2 GND2 GD910 service manual Figure 4 7 1 Schematic Diagram of WCDMA Band1 Duplexer ...

Страница 59: ...zing the footprint and implementation cost of Bluetooth solutions The BCM2046 is the optimal solution for any voice and or data application that requires the Bluetooth SIG standard HCI controller interface HCI via UART USB or H5 and PCM audio interface support The BCM2046 radio transceiver provides enhanced radio performance to meet the most stringent industrial temperature applications or the tig...

Страница 60: ... B3 VREG_CTL C2 VSS1 F2 VSS10 VSS11 F4 F5 VSS12 VSS13 F6 H2 VSS14 VSS15 H3 D2 VSS2 VSS3 D5 D6 VSS4 VSS5 E2 VSS6 E4 UART_RXD B9 UART_TXD B8 VCTRIFP J2 A7 VDDC1 VDDC2 B7 A1 VDDIF J1 VDDIFP VDDLO G1 VDDO1 H9 J9 VDDO2 G8 VDDO_USB VDDPLL G2 VDDR3V A4 B2 VDDRF VDDTF B1 H1 VDDVCO PCM_SYNC_TX_PU_TDO D8 J3 RES RFION E1 C1 RFIOP D1 RFTUNE F9 RF_ACTIVE_GPIO4 RST_N B4 SCL_TX_PU_TDO_N A9 A8 SDA_TX_PU_TDO TM0 J...

Страница 61: ...e shooting 5 Trouble shooting GD910 service manual 5 1 Trouble shooting test setup Equipment setup Power on all of test equipment Connect PIF UNION JIG or dummy battery to the DUT for power up Connect mobile switch cable between Communication test set and DUT when you need to make a phone call Follow trouble shooting procedure ...

Страница 62: ...change X101 Check soldering or LDOs output C223 C207 C209 C217 C218 C221 C232 C234 C236 C237 C239 of U202 while push the end key is ok Check soldering or change U202 and relevant component NO Battery Voltage higher Than 3 2V 32 769KHz clock at X100 is ok Click TP1 PWRON pin TP3 is high Before push the end key Start END Change or Charging the Battery NO NO YES YES Power on is ok Resolder R318 320 C...

Страница 63: ... 10K R407 20 C446 1u 2V85_VRF VBIAS VCO_RC C5 TXBAND1 TXBAND2 G10 F10 TXBAND3 J4 RXBAND1 F8 E10 RXBAND2 RXBAND3 D10 H10 FSYSOUT2 FSYSOUT3 D9 CLK B3 C2 CLKPGC CLK_PM G9 A2 DA DAPGC B2 H9 DA_PM EN E3 D2 ENPGC EN_PM C7 K2 FE1 FE2 H3 B10 FSYSIN_PM FSYSOUT1 A9 C9 2 2n C505 R425 1K C442 47pF FB2 1000 pF C443 R424 1K 10n C452 100K R426 820 R409 26MHZ 2G_BS 26M_BT 3G_EN 3G_DATA 3G_CLK 2G_EN 2G_DATA 2G_CLK...

Страница 64: ... 65 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual C224 C225 C219 C226 C228 C230 C229 C232 C232 ...

Страница 65: ... 66 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 61 X400 X100 END Key ...

Страница 66: ... 67 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual 5 3 Charging Trouble Checking Flow ...

Страница 67: ... Circuit Diagram TP1 TP2 TP3 Circuit Diagram VCHG R301 100K 2 2u 2V62_VIO USB_VBUS C304 47K R302 47K R303 2 D300 KDR331V 3 1 BATTERY C301 1u 1u 11 8 GND 6 IMIN 7 IUSB 9 IVDC PGND 13 USB_BYP 10 1 VDC 12 VDC_BYP VUSB 2 4 _CHG 5 _EN _PPR 3 C303 ISL9221 U300 BAT C302 R304 18K 1u C305 2 2u VDD_CHARGE 18K R305 100K R300 R306 8 2K _CHG_EN TA_DETECT _PPR _CHG_EOC TP2 TP1 TP3 ...

Страница 68: ...for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual U300 TP1 TP2 TP3 R100 R101 D300 GD910 service manual U300 TP1 TP2 TP3 R100 R101 Checking Point D300 GD910 service manual U300 TP1 TP2 TP3 R100 R101 D300 Checking Point ...

Страница 69: ...to 4 8V Check TP3 NO YES Is USB_VBUS C447 about 5V Check TP1 Change cable NO YES Check soldering or change D201 Is USB function ok NO Change U201 or main board Cable is insert OVP_VUSB C245 is about to 5V Start END Cable insert Check soldering or change U203 NO YES YES VDD_CHARGE C202 is about to 4 8V NO YES USB_VCHG C242 is about to 5V Change cable NO YES Check soldering or change D202 USB functi...

Страница 70: ...l TP1 TP2 TP3 Checking Point C C VCHG R301 100K 2 2u 2V62_VIO USB_VBUS C304 47K R302 47K R303 2 D300 KDR331V 3 1 BATTERY C301 1u 1u 11 8 GND 6 IMIN 7 IUSB 9 IVDC PGND 13 USB_BYP 10 1 VDC 12 VDC_BYP VUSB 2 4 _CHG 5 _EN _PPR 3 C303 ISL9221 U300 BAT C302 R304 18K 1u C305 2 2u VDD_CHARGE 18K R305 100K R300 R306 8 2K _CHG_EN TA_DETECT _PPR _CHG_EOC TP3 TP2 TP1 ...

Страница 71: ...301 2V9 VSIM C236 is 3 0V Click TP1 Start Resolde J301 Check C236 or Change U202 EN YE N N N YE YE Change SIM Card Work well EN YE N Change the main board Check soldering of J200 Is 2V9_VSIM C225 3 0V Check TP1 Do SIM CLK C248 SIM_IO C245 Work well Click TP2 Start Resolde J200 Check C229 or Change U200 EN YE N N N YE YE Change SIM Card Work well END N Change the main board Checking Flow Checking F...

Страница 72: ... 1 VCC VPP 5 J200 SIM_IO SIM_CLK SIM_RST 2V85_VLCD VBAT C223 1u 2 2u C229 1V5_VRF 2V85_VRF L201 10uH 1V35_CORE 10u C218 1u C224 C225 2 2u C226 2 2u 2 2u C222 2 2u C230 D201 SDB0530 C228 2 2u 2V85_VBT 2V8_VMME 2 2u C479 C227 2 2u 1V8_SD 2V8_TOUCH 2V11_RTC J11 VUMTS VVIB F11 L11 VSIM G10 C11 VMME F10 VRF1 VRF2 D11 E10 VRF3 VRTC H10 VSD1 H11 VAFC VDDMME C10 DDRF13_AFC E11 D10 VDDRF2 VDDSD1 K11 G11 VD...

Страница 73: ...Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual C245 C246 C248 C225 U200 GD910 service manual C245 C246 C248 C225 U200 Checking Point ...

Страница 74: ...ork well END YES yes Change the Key FPCB NO Change the main board start Change the rubber cap And check again Work well YES Check Work well NO Change the Key FPCB END NO NO yes END start Change the Dome Sheet And check again Work well END YES yes Change the NO Change the main board start Change the key pcb And check again Work well YES Check soldering of CN301 Work well NO Change the Key PCB END N...

Страница 75: ...009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 7 Audio Trouble 5 7 1 Speaker path GD910 service manual Is there analog signal at R218 R217 Check TP1 Checking Flow ...

Страница 76: ...anual Checking Point AUDIO AMP 100K R219 1u C253 RCLAMP0521P_TCT RCLAMP0521P_TCT ZD201 ZD200 C265 22p 22n C257 C264 22p 82K R217 L417 VDD2 D4 VO VO A4 A1 _SD 120nH GND1 A2 A3 GND2 GND3 B3 C2 GND4 GND5 C3 D2 GND6 GND7 D3 IN C1 IN D1 B1 NC B4 VDD1 C4 U202 TPA2005D1ZQYR R218 82K C251 22n 120nH L418 CN204 1 2 VBAT SPK_AMP_EN SPK_OUT_P SPK_OUT_N TP1 TP2 TP3 ...

Страница 77: ...nly Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 8 Microphone Trouble 5 8 1 Microphone for main MIC GD910 service manual Checking Flow ...

Страница 78: ...nly 5 Trouble shooting GD910 service manual Checking Point MIC 1K R215 2700 R214 C242 39p 33p C238 33n C235 SOB 311S44 RC10W MIC200 1 2 1u C243 DNI C236 C237 33n 2700 R213 C241 39p MIC_P MIC_N VMIC_P L1 MICN1 MICN2 L3 K3 MICP1 L2 MICP2 _ F2 EPREF1 F1 EPREF2 AUXN1 M2 M1 100nH L101 L100 100nH MIC_N MIC_P TP3 TP2 TP1 ...

Страница 79: ...Check soldering or change FL404 FL405 2 Change the main board Reassemble camera module or Replacef new camera module Working properly END Change the main board YES YES YES NO NO NO Checking Flow START Voltage level is ok VGA_DVDD_1V8 TP1 VGA_AVDD_2V8 TP2 VGA_IOVDD_2V8 TP3 Check soldering or change FB1 C255 C256 C478 C314 C315 C318 Check control signal and data I2C2_SCL TP4 I2C2_SDA TP5 CAM_MCK TP6...

Страница 80: ...NOUT_A2 2 INOUT_A3 3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E150R500FR FL405 5 G1 10 RCLAMP0521P_TCT ZD303 RSB6 8CST2R ZD304 0 1u C315 CAM_IO_OFF I2C2_SCL CAM_PCK MULTI_PORT_1 MULTI_PORT_0 VGA_CAM_DATA 5 VGA_CAM_DATA 6 VGA_CAM_DATA 0 VGA_CAM_DATA 1 VGA_CAM_DATA 7 VGA_RESET I2C2_SDA CAM_HSYNC CAM_MCK CAM_VSYNC VGA_CAM_DATA 2 VGA_CAM_DATA 3 VGA_CAM_DATA 4 C255 1u C256 1u 1u ...

Страница 81: ... 82 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 10 Main LCD Trouble Checking Flow ...

Страница 82: ...250 1u _DIF_CS1 LCD_RS DIF_VSYNC 2V62_VIO DIF_D0 DIF_D7 2V62_VIO 9 27 28 29 3 30 31 32 33 34 35 36 4 5 6 7 8 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 CN203 AXT536124 G1 G2 G3 G4 1 10 11 12 _DIF_RESET 2V85_VLCD MLED2 VDD GVDD VCL C21 C22 VGH _DIF_CS1 LCD_RS C21 C11 C11 AVDD MLED1 DIF_D7 DIF_D5 DIF_D3 DIF_D2 DIF_D0 MLED_OUT DIF_D1 DIF_D4 DIF_D6 _DIF_RD MLED3 _DIF_WR _DIF_RESET DIF_VSYNC VGL C22 T...

Страница 83: ...0 service manual 5 11 Main Clock part 1000 pF C438 2 2n C507 C506 2 2u 2V85_VTCXO 2V85_VTCXO 0 1u C447 2 GND 5 NC1_GND1 6 NC2_GND2 OUT 3 1 VC 4 VCC TG 5021BA X400 26MHz R410 10K R407 20 C446 1u 2V85_VRF 2 2n C505 R425 1K C442 47pF FB2 1000 pF C443 R424 1K 10n C452 100K R426 26MHZ 2G_BS 26M_BT 3G_EN 3G_DATA 3G_CLK 2G_EN 2G_DATA 2G_CLK AFC TP ...

Страница 84: ...Trouble shooting GD910 service manual 5 12 RF Component Reference Description Reference Description U405 PAM WCDMA 2100 SW400 RF SWITCH X400 VCTCXO 26MHz FL401 403 SAW FILTER WCDMA TX RX U402 PAM GSM 900 1800 1900 U406 LNA WCDMA 2100 FL400 FEM FL402 Duplexer WCDMA 2100 U404 RF Transceiver U407 DC DC Converter For 3G PAM ...

Страница 85: ...nly Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 13 RF SIGNAL PATH 5 13 1 UMTS PATH WCDMA 2100 5 16 2 GSM PATH EGSM900 DCS1800 PCS1900 ...

Страница 86: ...yright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual 5 14 Trouble Shooting of GSM Part EGSM900 DCS1800 PCS1900 ...

Страница 87: ...X400 YES VCTCXO is Ok See the next page waveform waveform below Vcc Check 0V TP3 1 8V NO YES NO YES NO YES VCTCXO is Ok See the next page TP1 TP3 TP2 Waveform Waveform VCTCXO Circuit Diagram VCTCXO Circuit Diagram Checking Flow Checking Points GD910 service manual 5 14 1 Checking VCTCXO Circuit 2 2n C506 2V85_VTCXO 0 1u C447 2 GND 5 NC1_GND1 6 NC2_GND2 OUT 3 1 VC 4 VCC TG 5021BA X400 26MHz R410 10...

Страница 88: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual 5 14 2 Checking Front End Module Block Checking Flow ...

Страница 90: ...1900_RX1 18 19 GSM1900_RX2 11 GSM850_900TX GSM850_RX1 12 13 GSM850_RX2 14 GSM900_RX1 15 GSM900_RX2 UMTS1 20 UMTS2 21 22 LMSP43QL 771 FL400 ANT 2 GND1 1 10 C440 0 1u 1 A1 A2 5 B1 2 6 B2 4 GND 8 VCC Y1 7 Y2 3 NL27WZ32USG U403 1800 FB404 1800 FB403 SW400 MM8130 2600 G1 G2 G3 G4 IN OUT 1800 FB401 1800 FB402 C439 1000 pF 1u C444 2V85_VRF 100p C405 L426 NA 2V85_VRF C517 DNI ANT_SEL6 ANT_SEL2 ANT_SEL1 AN...

Страница 91: ...e Soldering of TPs Rx Still has problem GSM DCS PCS Rx is OK NO NO YES YES Checking Flow START Re download Calibration Check TP1 TP4 Signal exist Check Front End Module Soldering of TPs Rx Still has problem GSM DCS PCS Rx is OK NO NO YES YES Checking Flow START Re download Calibration Signal exist Check Front End Module Soldering of TPs Rx Still has problem GSM DCS PCS Rx is OK NO NO YES YES Check...

Страница 92: ...5 6 VC4 7 VDD GND2 8 GND3 23 GND4 24 GND5 GSM1800_1900TX 9 GSM1800_RX1 16 17 GSM1800_RX2 GSM1900_RX1 18 19 GSM1900_RX2 11 GSM850_900TX GSM850_RX1 12 13 GSM850_RX2 14 GSM900_RX1 15 GSM900_RX2 UMTS1 20 UMTS2 21 22 LMSP43QL 771 FL400 ANT 2 GND1 1 10 5 1nH L403 C431 2 2p 1 5p C437 2 2p C425 C432 2 2p C408 2 2p C441 1 5p 2 2p C436 18nH L402 C423 2 2p L401 18nH L404 5 1nH TP1 TP2 TP3 TP4 ...

Страница 93: ...0 PCS 0 GSMTx Path is OK Remove U402 and Check the power of pin2 pin7 on board Check TP1 EGSM 900 31dBm DCS1800 29dBm PCS1900 29dBm Over The power of pin2 pin7 is 0 3dBm YES Check U404 or Replace U404 YES Replace U402 Checking Flow Check TP2 TP3 TP3 DCS PCS 30dBm over NO YES NO YES Setup Test Equipment Cell Power 60dBm TP1 TP3 TP2 TP6 TP4 TP5 Checking Point Checking Point TP1 TP3 TP2 TP6 TP4 TP5 C...

Страница 94: ... Voltage Vcc 3V Table 1 GSM PAM Circuit Diagram C455 0 1u R408 1 2K C451 10n U402 BS 3 13 BY_CAP1 BY_CAP2 9 1 DCS_PCS_IN DCS_PCS_OUT 12 14 GND1 GND2 11 GND3 8 7 GSM850_900_IN 10 GSM850_900_OUT 2 MODE_SELECT 15 PGND TX_EN 6 4 VBATT 5 VRAMP TQM7M5005 C449 1 5p L405 27nH C453 33p 18p C454 VBAT L406 2 7nH C509 6 8p 39p C456 10u C448 10n C450 2G_BS PA_LEVEL PA_MODE LBAND_IN TXON_PA HBAND_IN SW400 MM813...

Страница 95: ...Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 15 Trouble Shooting of WCDMA Part GD910 service manual Checking Flow Checking Points ...

Страница 96: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Trouble shooting GD910 service manual 5 15 1 Checking VCTCXO Refer to GSM Part 15 14 1 5 15 2 Checking Mobile SW FEM Refer to GSM Part 15 14 2 ...

Страница 97: ... 98 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 15 3 Checking WCDMA Rx part Checking Flow ...

Страница 98: ...0_RX2 UMTS1 20 UMTS2 21 22 LMSP43QL 771 FL400 ANT 2 GND1 1 10 C440 0 1u SW400 MM8130 2600 G1 G2 G3 G4 IN OUT 1800 FB401 1800 FB402 C439 1000 pF 2V85_VRF 100p C405 L426 NA C517 DNI L414 2 7nH 82nH L428 1 5nH L413 4 5 GND3 GND4 7 GND5 8 GND6 9 1 RX TX 3 FL402 SAYFP1G95AA0B00 ANT 6 GND1 2 GND2 BC2 SAFEB1G96FL0F00 BC1 SAFEB2G14FA0F00 4 3nH L419 DNI C473 C474 100p C475 10n 12pF C504 3 7 PGND RFIN 1 RFO...

Страница 99: ... 100 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 Trouble shooting GD910 service manual 5 15 4 Checking WCDMA TX part Checking Flow ...

Страница 100: ... 1 2p C459 0 1u C457 1 8nH L409 3 9nH L410 22nH L412 L408 22nH 9 1nH L411 2 G1 G2 5 IN1 3 4 IN2 OUT 1 SAFEB1G95FL0F00 FL401 L407 3 9nH TP1 TP4 TP5 L414 2 7nH C467 100p 100p C468 PGND 11 2 RFIN RFOUT 8 VBP 3 1 VCC1 VCC2 10 5 VEN VMODE 4 ACPM 7383 U405 GND1 6 7 GND2 9 GND3 C466 100p 82nH L428 1 5nH L413 L429 NA L423 4 5 GND3 GND4 7 GND5 8 GND6 9 1 RX TX 3 1 5nH FL402 SAYFP1G95AA0B00 ANT 6 GND1 2 GND...

Страница 101: ...ht reserved Only for training and service purposes 5 Trouble shooting GD910 service manual Table 1 Table 2 Test Point Net name Description TP6 VBAT PAM Supply Voltage 3 2V Vcc 4 2V TP7 3G_PA_MODE1 High 2 2 3 1V Low 0 0V 0 5V TP8 VEN PA on 2 2 3 1V PA shut down 0 0V 0 5V ...

Страница 102: ...n a TEMCELL in case of radiation test 3 Set discover after push menu button of the tester and select the link analyzer 4 After set test mode confirm the connection state 5 Measure the power of full channel after hopping mode is selected to ON 6 You can select wanted test cases after getting an optimized power 7 Blue tooth Off Menu OK key ÆsettingÆ4 ConnectivityÆ1 BluetoothÆ1 Turn on Turn off TC 30...

Страница 103: ...oses 5 Trouble shooting GD910 service manual Check Bias Voltage C309 C316 START NO YES Check PMIC U200 Check BT_VCXO_EN NO Check PMIC U200 YES Check 26MHz at R425 YES NO BT_Reset_N YES NO Check U102 and Replace Bluetooth on is OK YES NO Re download SW and try again END Check U409 X400 U404 And Replace Checking Flow ...

Страница 104: ...T_RXD B9 UART_TXD B8 VCTRIFP J2 A7 VDDC1 VDDC2 B7 A1 VDDIF J1 VDDIFP VDDLO G1 VDDO1 H9 J9 VDDO2 G8 VDDO_USB VDDPLL G2 VDDR3V A4 B2 VDDRF VDDTF B1 H1 VDDVCO PCM_SYNC_TX_PU_TDO D8 J3 RES RFION E1 C1 RFIOP D1 RFTUNE F9 RF_ACTIVE_GPIO4 RST_N B4 SCL_TX_PU_TDO_N A9 A8 SDA_TX_PU_TDO TM0 J6 H6 TM1 TM2 H5 D4 TST1 A6 TX_CONFX_WLAN_ACTIVITY_GPIO2 UART_CTS_N C8 C9 UART_RTS_N U302 BCM2046SB1 BT_PRIORITY_STATUS...

Страница 105: ... download UART upgrade setup Figure6 1 1 S W download USB upgrade setup UART download Preparation Target terminal PIF Union RS 232 Cable and PIF UNION to Phone interface Cable Power Supply or Battery PC supporting RS 232 with Windows 2000 or newer Cradle USB download Preparation Cradle Data cable If you are going to use battery the voltage of the battery should be over 3 7V for stable power supply...

Страница 106: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 Download S W upgrade GD910 service manual 6 2 Download program user guide 1 Double Click download tool 2 click DLL file select ...

Страница 107: ...y Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 6 Download S W upgrade GD910 service manual 3 Select GD910 DLL File 4 Press bin select menu and select GD910 bin GD910 dll GD910 bin ...

Страница 108: ... 109 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 Download S W upgrade GD910 service manual 5 Click start Downloading END ...

Страница 109: ... LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 7 Block Diagram 7 Block Diagram GD910 service manual GSM900 1800 1900 UMTS Band1 WCDMA2100 ...

Страница 110: ...7 H22 A18 J19 A19 J12 A2 A20 K14 G22 A21 PMB8879 U102 0 1u C132 _RAS F3 _RE D6 _WED M3 _WEN N3 _WP VDD1 C8 VDD2 P6 VDD3 P4 VDDQ1 P8 VDDQ2 C5 VSS1 C9 VSS2 G2 VSS3 H10 VSS4 P7 VSS5 VSS6 P9 P5 VSSQ E6 _CAS G3 _CE C6 _CLK _CS D5 F6 Q10 NC63 Q11 NC64 Q12 NC65 T1 NC66 T2 NC67 T3 T10 NC68 NC69 T11 B1 NC7 NC70 T12 B2 NC8 B3 NC9 E3 R__B K7 UDQM L7 UDQS H2 VCCN1 C4 NC48 NC49 K9 A11 NC5 K10 NC50 L2 NC51 NC52...

Страница 111: ...8_SD VDD_CHARGE Q302 RUM002N02T2L 9 2700 R213 27 28 29 3 30 31 32 33 34 35 36 4 5 6 7 8 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 CN203 AXT536124 G1 G2 G3 G4 1 10 11 12 100K R204 EN 4 GND 2 PGND 5 3 VIN 1 VOUT 10u C259 MIC94062YMT Q303 1 2V8_TOUCH C241 CN304 C252 39p 1u 2V11_RTC 0 1u C212 C248 33p VSS9 C7 VSS_MONO VSS_SD1 H8 H4 VSS_SD2 D9 VSS_VREF J11 VUMTS A4 VUSB VVIB F11 WDOG L3 VSS21 VSS22 G...

Страница 112: ...H8 F8 PCM_CLK_SCK PCM_IN_SPDIF_IF_SD_IN E8 D9 PCM_OUT_SPDIF_OUT_SD_OUT 0 1u VUSB C314 100K R310 C320 470p 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 VGA_DVDD_1V8 ICVE10184E150R500FR FL404 15 R309 C318 0 1u 2 5 6 3 1 4 EMX18 Q301 FL302 LFB212G45SG8A166 GND1 GND2 IN OUT 2 2u C516 USB_VBUS VCHG BATTERY C301 1u UART_BT_TX UART_BT_RTS UART_BT_CTS ...

Страница 113: ... SAYFP1G95AA0B00 ANT 6 GND1 2 GND2 4 3nH L420 1 5nH L415 2 G1 G2 5 IN1 3 4 IN2 OUT 1 VBAT FB C3 A3 PGND PVIN A1 B3 SGND SW A2 C2 VCON VDD B1 SAFEB1G95FL0F00 FL401 10u LM3208TL U407 C1 EN C501 C408 2 2p C441 1 5p VDDRXIO2V8 VDDRXPLL1V5 B7 A10 VDDRXVCO2V8 J5 VDDTX1V5 VDDTX2V8 K6 K11 VDDTXBB2V8 H2 VDDTXCP2V8 VDDTXFE2V8 K5 G2 VDDTXPLL1V5 VDDTXVCO2V8 J2 VDDVCO2V8 B6 VBIAS VCO_RC C5 F2 VDD1V5 J3 VDDBIAS...

Страница 114: ... Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 9 BGA Pin Map 9 BGA Pin Map GD910 service manual PMB 8879 Pin Configuration Top View NC Pin ...

Страница 115: ...Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 9 BGA Pin Map GD910 service manual PMB6821 PMB6821 Pin Configuration Top View NC Pin PMB6821 Pin Configuration Top View NC Pin ...

Страница 116: ... 117 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 9 BGA Pin Map GD910 service manual PMB6952 Pin Configuration Top View NC Pin ...

Страница 118: ...01 USB switch USB U101 AFC D FF RF TX RX U103 Dual AND No power on U102 BB chip All function X100 32 768 X tal No power on U100 Memory All function U300 Charging IC Charging FL400 FEM GSM RX TX U405 3G PAM 3G TX FL402 3G Duplexer 3G TX RX U406 LNA 3G RX D201 3G SAW Filter 3G RX U200 PMIC All power block U404 RF chip All RF function U400 OR gate BT PM X400 26MHz Main clock All function U302 BT chip...

Страница 119: ... Power SW400 Mobile SW 2G 3G TX RX U409 Buﬀer Main clock 26MHz J200 SIM Socket SIM Q301 Dual TR Power on Q200 Load SW Battery Power D200 Dual diode Power U407 DC DC U409 3G TX Q300 TR Side Key Power Q303 Load Switch LCD Charge Pump Power U410 LDO Motor U408 NOR GATE Side Key SW200 Detector Switch Power CN203 Connector LCD CN301 Side key Side key CN202 Connector Touch MIC200 MIC Audio ...

Страница 120: ...quipment Setup 11 2 Calibration Step 11 2 1 Turn on the Phone Execute HK_36 exe 121 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 RF Calibration 11 RF Calibration ...

Страница 121: ...opyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 11 RF Calibration GD910 service manual GD910 service manual 11 2 2 Click SETTING Menu 11 2 3 Setup Ezlooks menu such as the following ﬁgure ...

Страница 122: ...number of times Adjust the number of times 123 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 RF Calibration 11 2 4 Setup Line System menu such as the following ﬁgure 11 2 5 Setup Logic operation such as the following ﬁgure ...

Страница 123: ...ce manual PWR Power Supply CELL Call Test Equipment Setup UART port PWR Power Supply CELL Call Test Equipment Setup UART port 11 2 6 Select MODEL 11 2 7 Click START for RF calibration GD910 service manual PWR Power Supply CELL Call Test Equipment Setup UART port PWR Power Supply CELL Call Test Equipment Setup UART port 11 2 8 RF Calibration ﬁnishes ...

Страница 124: ...ode during the CALIBRATION 2 Calibration program automatically changes either normal mode or ptest mode 3 Phone operation Mode 11 2 8 Calibration data will be saved to the following folder 125 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 RF Calibration ...

Страница 126: ...ART LIST 12 1 EXPLODED VIEW LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 22 21 23 24 37 26 25 18 19 30 20 17 12 11 10 13 16 15 29 14 28 27 34 33 32 31 9 8 5 7 6 4 3 2 1 ...

Страница 128: ...T MPCY0013203 COMPLEX empty BLUE 3 MLAC00 LABEL BARCODE MLAC0004541 PRINTING empty Without Color 3 MLAJ00 LABEL MASTER BOX MLAJ0004402 LABEL MASTER BOX for CGR TDR 2VER mbox_label Without Color 3 MLAZ00 LABEL MLAZ0050901 PRINTING empty WITHOUT COLOR 3 MPBA00 PAD BOX MPBA0010601 COMPLEX empty WITHOUT COLOR 2 APEY00 PHONE APEY0768401 BLACK 3 ABFZ00 BRACKET ASSY ABFZ0016901 WITHOUT COLOR C 27 4 MBFZ0...

Страница 129: ...B0007101 COMPLEX empty SILVER 5 AWAB00 WINDOW ASSY LCD AWAB0036201 WITHOUT COLOR 3 6 MTAB00 TAPE PROTECTION MTAB0344701 COMPLEX empty WITHOUT COLOR 6 MWAC02 WINDOW LCD MWAC0114701 CUTTING Tempered Glass WITHOUT COLOR 5 MCJK00 COVER FRONT MCJK0100401 MOLD PC LUPOY SC 2302 WITHOUT COLOR 8 6 MICE00 INSERT NUT MICE0008601 CUTTING STS WITHOUT COLOR 5 MDAG00 DECO FRONT MDAG0050601 COMPLEX empty SILVER 4...

Страница 130: ...y WITHOUT COLOR 5 MTAK00 TAPE CAMERA MTAK0029801 COMPLEX empty WITHOUT COLOR 4 GMEY00 SCREW MACHINE BIND GMEY0010402 1 4 mm 2 mm MSWR3 FN N NYLOK Black 26 4 GMEY09 SCREW MACHINE BIND GMEY0022701 1 2 mm 5 mm SUS304 N TRI empty empty STS empty empty empty WITHOUT COLOR 20 4 MCCZ CAP MCCZ0031901 COMPLEX empty WITHOUT COLOR 4 MGAF00 GASKET WATERPROOF MGAF0000501 CUTTING STS WITHOUT COLOR 15 4 MGAF01 G...

Страница 131: ...2301 COMPLEX empty WITHOUT COLOR 5 4 MTAJ00 TAPE FLEXIBLE PCB MTAJ0025401 COMPLEX empty WITHOUT COLOR 6 6 MAAA00 ABSORBER ELECTROMAG NETIC WAVE MAAA0003501 COMPLEX empty WITHOUT COLOR 6 MAAA01 ABSORBER ELECTROMAG NETIC WAVE MAAA0003401 COMPLEX empty WITHOUT COLOR 6 MCBA00 CAN SHIELD MCBA0045101 PRESS STS 0 1 WITHOUT COLOR 6 MIDZ00 INSULATOR MIDZ0214501 COMPLEX empty WITHOUT COLOR 6 MPBF00 PAD FLEX...

Страница 132: ... X5R TC 0603 R TP 7 C104 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C105 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C106 CAP CERAMIC CHIP ECCH0009106 10 nF 16V K X7R TC 0603 R TP 7 C107 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C108 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C109 CAP CERAMIC CHIP ECCH0009106 10 nF 16V K X7R...

Страница 133: ...5R TC 0603 R TP 7 C132 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C133 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C134 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C135 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C136 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C137 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K...

Страница 134: ... uF 6 3V M X5R TC 1005 R TP 7 C223 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C224 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C225 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C226 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C227 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C228 CAP CERAMIC CHIP ECCH0000198 2 2 u...

Страница 135: ...HIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C304 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C305 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C309 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C310 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C312 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C313 CAP CERAMIC C...

Страница 136: ...2 2 pF 50V C NP0 TC 1005 R TP 7 C425 CAP CERAMIC CHIP ECCH0000901 2 2 pF 50V C NP0 TC 1005 R TP 7 C426 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C427 CAP CERAMIC CHIP ECCH0009106 10 nF 16V K X7R TC 0603 R TP 7 C428 CAP CERAMIC CHIP ECCH0009103 100 pF 50V J X7R TC 0603 R TP empty empty C0G empty empty empty 0 3 mm 7 C429 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R T...

Страница 137: ...NP0 TC 1005 R TP 7 C457 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C458 CAP CHIP MAKER ECZH0025904 4 pF 25V C NP0 TC 0603 R TP 7 C459 CAP CERAMIC CHIP ECCH0000701 1 2 pF 50V C NP0 TC 1005 R TP 7 C464 CAP CHIP MAKER ECZH0025920 1000 pF 16V K X7R HD 0603 R TP 7 C465 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C466 CAP CERAMIC CHIP ECCH0009103 100 pF 50V J X7R TC ...

Страница 138: ...pty R TP 7 FL302 FILTER CERAMIC SFCY0000901 2450 MHz 2 00 1 25 0 95 SMD Bluetooth Band Pass Filter 7 FL400 FILTER SEPERATOR SFAY0011901 dB dB dB dB 4532 WCDMA Quad Triple 6280 IFX 7 FL401 FILTER SAW SFSY0032901 1950 MHz 1 4 1 1 0 6 SMD 1920M 1980M IL 2 6 5pin B U 200_27 50 WCDMA BAND I Tx 1950 1 4 1 1 0 6 SMD R TP 7 FL402 DUPLEXER IMT SDMY0001901 1950 MHz 2140 MHz 1 8 dB 2 4 dB 52 dB 43 dB 2 5 2 0...

Страница 139: ...33 4 3 nH S 1005 R TP Coil 7 L423 INDUCTOR CHIP ELCH0001404 1 5 nH S 1005 R TP 7 L425 INDUCTOR CHIP ELCH0003844 2 nH S 1005 R TP Chip coil 7 L427 INDUCTOR CHIP ELCH0004703 1 nH S 1005 R TP 7 L428 INDUCTOR CHIP ELCH0001425 82 nH J 1005 R TP PBFREE 7 R100 RES CHIP ERHY0000166 390 Kohm 1 16W F 1005 R TP 7 R101 RES CHIP ERHY0009536 100 Kohm 1 20W 0 05W F 0603 R TP 7 R102 RES CHIP MAKER ERHZ0000405 10 ...

Страница 140: ...F 0603 R TP 7 R302 RES CHIP ERHY0009550 47 Kohm 1 20W 0 05W F 0603 R TP 7 R303 RES CHIP ERHY0009550 47 Kohm 1 20W 0 05W F 0603 R TP 7 R304 RES CHIP ERHY0000129 18K ohm 1 16W F 1005 R TP 7 R305 RES CHIP ERHY0000129 18K ohm 1 16W F 1005 R TP 7 R306 RES CHIP MAKER ERHZ0000319 8200 ohm 1 16W F 1005 R TP 7 R308 RES CHIP ERHY0009524 47 ohm 1 20W 0 05W J 0603 R TP 7 R309 RES CHIP ERHY0000181 15 ohm 1 16W...

Страница 141: ... IC Sub PMIC 7 U202 IC EUSY0160001 MicroStar Junior 15 PIN R TP 1 1W Class D Mono Audio AMP 7 U203 IC EUSY0392401 PLP1010 4 R TP 150mA 2 0V Single LDO IC LDO Voltage Regulator 7 U300 IC EUSY0351601 DFN 12 PIN R TP Dual Charger IC Bypass IC Charger 7 U301 IC EUSY0338301 uMLP 10 PIN R TP High Speed USB Siwitch 2 0 3 7pF 6 5ohm 1 4X1 8 7 U302 IC EUSY0350101 WFBGA 65 PIN R TP Bluetooth V2 1 5x5x0 8 IC...

Страница 142: ...TP 7 C242 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C243 CAP CERAMIC CHIP ECCH0017301 1 uF 6 3V M X5R HD 0603 R TP 1 20 6 3V X5R 55TO 85C 0603 R TP 0 15 mm 7 C245 CAP CERAMIC CHIP ECCH0009104 33 pF 50V J X7R TC 0603 R TP 7 C247 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C248 CAP CERAMIC CHIP ECCH0009104 33 pF 50V J X7R TC 0603 R TP 7 C249 CAP CERAMIC CHIP ECCH000...

Страница 143: ...03 R TP 7 C506 CAP CERAMIC CHIP ECCH0009107 2 2 nF 16V K X7R TC 0603 R TP 7 C507 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C510 CAP CERAMIC CHIP ECCH0009101 0 1 uF 6 3V K X5R TC 0603 R TP 7 C512 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C513 CAP CERAMIC CHIP ECCH0017301 1 uF 6 3V M X5R HD 0603 R TP 1 20 6 3V X5R 55TO 85C 0603 R TP 0 15 mm 7 C514 CAP CERAMIC CH...

Страница 144: ...HIP ERHY0009593 2700 ohm 1 20W 0 05W J 0603 R TP 7 R214 RES CHIP ERHY0009593 2700 ohm 1 20W 0 05W J 0603 R TP 7 R215 RES CHIP ERHY0009302 1 Kohm 1 20W 0 05W F 0603 R TP 7 R216 RES CHIP ERHY0009516 2 2 Kohm 1 20W 0 05W J 0603 R TP 7 R317 RES CHIP ERHY0009505 10 Kohm 1 20W 0 05W J 0603 R TP 7 R318 RES CHIP ERHY0009506 100 Kohm 1 20W 0 05W J 0603 R TP 7 R319 RES CHIP ERHY0009543 120 ohm 1 20W 0 05W J...

Страница 145: ...0 W R TP 1 0 0 6 0 4 7 82V 100mW empty empty 2P 1 7 ZD305 DIODE TVS EDTY0009401 VMN2 5 V 10 W R TP 1 0 0 6 0 4 7 82V 100mW empty empty 2P 1 4 SBPP00 BATTERY PACK LI POLYMER SBPP0028401 3 7 V 480 mAh 1 CELL PRISMATIC 562933 Embedded battery Wire Type 3 7 480 240 PRISMATIC 5 6x29x33 5 6x29x33 BLACK Embedded type 22 4 SJMY00 VIBRATOR MOTOR SJMY0007907 2 2 V 90 mA 3 5 6 3 5pi cylinder motor watch 3V 4...

Страница 146: ...mpty 3 SGDY DATA CABLE SGDY0014401 empty empty 1 2M BLACK 4 18Pin Plug USB Datacable N 3 SGDY00 DATA CABLE SGDY0016801 Charge only input 18pin output 18pin 5pin empty empty empty BLACK empty 3 SSAD00 ADAPTOR AC DC SSAD0031701 100 240V 5060 Hz 5 1 V 0 7 A CE AC DC ADAPTOR 90Vac 264Vac 4 75Vdc 5 25Vdc 700mA 5060 WALL 2P I O CONNECTOR 㾌 ADAPTOR AC DC SSAD0031702 100 240V 5060 Hz 5 1 V 0 7 A CE AC DC ...

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LG GD910, Руководство по обслуживанию

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