Service Manual
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...part consists of DC offsets. LGE Internal Use Only Receiver Part Block Diagram - 16 - Only for quad band EDGE transceiver. 3.2 RF Part 3.2.1 Receiver Part The B6PLD receiver supports quad band, so the front-end incorporates four LNAs and two mixers. Direct conversion mixers, a programmable gain amplifier(PGA).... The front-end block is a highly integrated RF transceiver IC FOR Digital Interface of GSM 850,DCS1800 and PCS1900 quad-band cellular systems. The B6PLD incorporates EDGE transceiver capability, quad R low-noise amplifiers (LNAs). Inc. Copyright © 2008...
...part consists of DC offsets. LGE Internal Use Only Receiver Part Block Diagram - 16 - Only for quad band EDGE transceiver. 3.2 RF Part 3.2.1 Receiver Part The B6PLD receiver supports quad band, so the front-end incorporates four LNAs and two mixers. Direct conversion mixers, a programmable gain amplifier(PGA).... The front-end block is a highly integrated RF transceiver IC FOR Digital Interface of GSM 850,DCS1800 and PCS1900 quad-band cellular systems. The B6PLD incorporates EDGE transceiver capability, quad R low-noise amplifiers (LNAs). Inc. Copyright © 2008...
Service Manual
Page 16
... of the gain and filtering has been designed to ensure that on -chip levels to settle before applying correction in the pass-band combined with variable gain followed by a fixed gain amplifier. The filters have sufficient time to the input dynamic range of the ADC...filtering is performing an auto-calibration, the sequencer cancels the offsets locally around the PGA, then the Digital filter. Copyright © 2008 LG Electronics. For PGA the A/D converter system employs a successive approximation technique and achieves 6 bit resolution. The sequencer ensures that the receiver does...
... of the gain and filtering has been designed to ensure that on -chip levels to settle before applying correction in the pass-band combined with variable gain followed by a fixed gain amplifier. The filters have sufficient time to the input dynamic range of the ADC...filtering is performing an auto-calibration, the sequencer cancels the offsets locally around the PGA, then the Digital filter. Copyright © 2008 LG Electronics. For PGA the A/D converter system employs a successive approximation technique and achieves 6 bit resolution. The sequencer ensures that the receiver does...
Service Manual
Page 19
Quad band GSM, GPRS & Polar Loop EDGE Amplifier -. Built-in LDO circuit -. Integrated directional coupler 3.2.5.2 Circuit Diagram and peripheral components Current 8.0 mA 8.0 mA For 3.5V nominal operation -. GPRS Class 12 operation compatible -. HW Circuit Description 3.2.4.2 Logic Table for Selection GSM850_Tx GSM1800 / 1900_Tx GSM850_Rx GSM1800_Rx GSM1900_Rx Vc1 2.6V 0V 0V 0V 0V Vc2 0V 2.6V 0V 0V 0V Band SW Logic Table 3.2.5 Power Amplifier Module for Quad-band GSM/GPRS/EDGE 3.2.5.1 PAM Specification -. 3.
Quad band GSM, GPRS & Polar Loop EDGE Amplifier -. Built-in LDO circuit -. Integrated directional coupler 3.2.5.2 Circuit Diagram and peripheral components Current 8.0 mA 8.0 mA For 3.5V nominal operation -. GPRS Class 12 operation compatible -. HW Circuit Description 3.2.4.2 Logic Table for Selection GSM850_Tx GSM1800 / 1900_Tx GSM850_Rx GSM1800_Rx GSM1900_Rx Vc1 2.6V 0V 0V 0V 0V Vc2 0V 2.6V 0V 0V 0V Band SW Logic Table 3.2.5 Power Amplifier Module for Quad-band GSM/GPRS/EDGE 3.2.5.1 PAM Specification -. 3.
Service Manual
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... single serial bus with the digital interface specification DigRF standard v112. All right reserved. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. Only for system clock to configure the B6PLD for RX and TX operation, transfers of two separate interface connections;...data interface, and a system clock on . 3. The digital interface consists of control data for GSM850, GSM900, DCS1800 and PCS1900 quad band cellular system, and incorporates EDGE transceiver capability. The control interface is also switched off control signal and a precise timing signal. This ...
... single serial bus with the digital interface specification DigRF standard v112. All right reserved. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. Only for system clock to configure the B6PLD for RX and TX operation, transfers of two separate interface connections;...data interface, and a system clock on . 3. The digital interface consists of control data for GSM850, GSM900, DCS1800 and PCS1900 quad band cellular system, and incorporates EDGE transceiver capability. The control interface is also switched off control signal and a precise timing signal. This ...
Service Manual
Page 140
Calibration 10.1 What's the Rx Calibration? 10.1.1 Find proper AGC Gain to make the same Rx Power fed into the Base Band Part regardless of Antenna Input Level 10.1.2 Can make report correct RSSI level X Y BB Part G X(Input Level)+G(Gain)=Y 10.2 What's the Tx Calibration? 10.2.1 To ... information of Base Station GSM 5 Level Base Station 33 dBm Mobile Station Tx Cal = In this case, to make MS transmit 33dBm Copyright © 2008 LG Electronics. LGE Internal Use Only Inc. Calibration 10. All right reserved. 10. Only for training and service purposes - 141 -
Calibration 10.1 What's the Rx Calibration? 10.1.1 Find proper AGC Gain to make the same Rx Power fed into the Base Band Part regardless of Antenna Input Level 10.1.2 Can make report correct RSSI level X Y BB Part G X(Input Level)+G(Gain)=Y 10.2 What's the Tx Calibration? 10.2.1 To ... information of Base Station GSM 5 Level Base Station 33 dBm Mobile Station Tx Cal = In this case, to make MS transmit 33dBm Copyright © 2008 LG Electronics. LGE Internal Use Only Inc. Calibration 10. All right reserved. 10. Only for training and service purposes - 141 -
Service Manual
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Eng Mode : PS Info. 1) Cell Environ. 2) Loc ation Info 3) Layer1 Info 10.5. New Auto Test 10.8. Generate Default DB LGE Internal Use Only - 150 - All right reserved. KM500d Vers : KM500d Version Info . 10.4. GSM Band Test 1) GSM ALL BAND 2) GSM 850 3) GSM 900 4) DCS 1800 5) PCS 1900 109. Inc. Engineering Mode 10.3. Factory default : Factory Reset 10.7. Only for training and service purposes Call Timer : Call Duration Info. 10.6. Copyright © 2008 LG Electronics. 11.
Eng Mode : PS Info. 1) Cell Environ. 2) Loc ation Info 3) Layer1 Info 10.5. New Auto Test 10.8. Generate Default DB LGE Internal Use Only - 150 - All right reserved. KM500d Vers : KM500d Version Info . 10.4. GSM Band Test 1) GSM ALL BAND 2) GSM 850 3) GSM 900 4) DCS 1800 5) PCS 1900 109. Inc. Engineering Mode 10.3. Factory default : Factory Reset 10.7. Only for training and service purposes Call Timer : Call Duration Info. 10.6. Copyright © 2008 LG Electronics. 11.
Service Manual
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...SFBH0008103 1000 ohm,1005 ,chip bead, 200mA,DCR0.9ohm ,; , , ,SMD ,R/TP 850 ,1800.1900 , dB, dB, dB, dB,4532 ,GSM Triple band 6 FL400 FILTER,SEPERATOR SFAY0011302 FEM 6 FL800 FILTER,EMI/POWER SFEY0013201 SMD ,1608 ,EMI-ESD Filter, 4ch, 14V, 15pF, 100ohm 6 FL801 FILTER,EMI/POWER ..., 6 L408 INDUCTOR,CHIP ELCH0004727 100 nH,J ,1005 ,R/TP , 6 L409 INDUCTOR,CHIP ELCH0004705 8.2 nH,J ,1005 ,R/TP , Color Remark Copyright © 2008 LG Electronics. 12. Only for training and service purposes - 165 - Inc. EXPLODED VIEW & REPLACEMENT PART LIST Location Level No.
...SFBH0008103 1000 ohm,1005 ,chip bead, 200mA,DCR0.9ohm ,; , , ,SMD ,R/TP 850 ,1800.1900 , dB, dB, dB, dB,4532 ,GSM Triple band 6 FL400 FILTER,SEPERATOR SFAY0011302 FEM 6 FL800 FILTER,EMI/POWER SFEY0013201 SMD ,1608 ,EMI-ESD Filter, 4ch, 14V, 15pF, 100ohm 6 FL801 FILTER,EMI/POWER ..., 6 L408 INDUCTOR,CHIP ELCH0004727 100 nH,J ,1005 ,R/TP , 6 L409 INDUCTOR,CHIP ELCH0004705 8.2 nH,J ,1005 ,R/TP , Color Remark Copyright © 2008 LG Electronics. 12. Only for training and service purposes - 165 - Inc. EXPLODED VIEW & REPLACEMENT PART LIST Location Level No.
Service Manual
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...,STRAIGHT ,RF ADAPTER ,SMD ,R/TP ,AU , , EUSY0351601 DFN ,12 PIN,R/TP ,Dual Charger IC (Bypass) ,; ,IC,Charger EUSY0266502 PBGA ,143 PIN,R/TP ,Triton, Analog Base Band EUSY0266401 PBGA ,293 PIN,R/TP ,Neptune, E-GPRS-MPU + C54x DSP EUSY0355801 QFN ,20 PIN,R/TP ,FM Tuner(RDS), 3*3*0.55, Pb Free ,; ,IC Assembly EUSY0278501 SON5...8V 1G(128Mx8) NAND+512M(DDR/8Mx4x16) SDRAM ,; ,IC,MCP EUSY0342401 WQFN16 ,16 PIN,R/TP ,Dual DPDT Analog Switch ,; ,IC,Analog Switch Copyright © 2008 LG Electronics. All right reserved. EXPLODED VIEW & REPLACEMENT PART LIST Location Level No. Inc.
...,STRAIGHT ,RF ADAPTER ,SMD ,R/TP ,AU , , EUSY0351601 DFN ,12 PIN,R/TP ,Dual Charger IC (Bypass) ,; ,IC,Charger EUSY0266502 PBGA ,143 PIN,R/TP ,Triton, Analog Base Band EUSY0266401 PBGA ,293 PIN,R/TP ,Neptune, E-GPRS-MPU + C54x DSP EUSY0355801 QFN ,20 PIN,R/TP ,FM Tuner(RDS), 3*3*0.55, Pb Free ,; ,IC Assembly EUSY0278501 SON5...8V 1G(128Mx8) NAND+512M(DDR/8Mx4x16) SDRAM ,; ,IC,MCP EUSY0342401 WQFN16 ,16 PIN,R/TP ,Dual DPDT Analog Switch ,; ,IC,Analog Switch Copyright © 2008 LG Electronics. All right reserved. EXPLODED VIEW & REPLACEMENT PART LIST Location Level No. Inc.
