LG B2100 Service Manual Download Page 125

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12.EXPLODED VIEW & REPLACEMENT PART LIST

C302

CAP,CERAMIC,CHIP

ECCH0000155

10 nF,16V,K,X7R,HD,1005,R/TP

C303

CAP,CERAMIC,CHIP

ECCH0004903

1 uF,6.3V ,Z ,Y5V ,TC ,1005 ,R/TP

C304

CAP,CERAMIC,CHIP

ECCH0000117

27 pF,50V,J,NP0,TC,1005,R/TP

C305

CAP,CERAMIC,CHIP

ECCH0000120

39 pF,50V,J,NP0,TC,1005,R/TP

C306

CAP,CERAMIC,CHIP

ECCH0000110

10 pF,50V,D,NP0,TC,1005,R/TP

C307

CAP,CERAMIC,CHIP

ECCH0000104

3 pF,50V,C,NP0,TC,1005,R/TP

C308

CAP,CERAMIC,CHIP

ECCH0000182

0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP

C309

CAP,CERAMIC,CHIP

ECCH0000117

27 pF,50V,J,NP0,TC,1005,R/TP

C310

CAP,CERAMIC,CHIP

ECCH0004904

1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP

C311

CAP,CERAMIC,CHIP

ECCH0000117

27 pF,50V,J,NP0,TC,1005,R/TP

C312

CAP,CERAMIC,CHIP

ECCH0000120

39 pF,50V,J,NP0,TC,1005,R/TP

C313

CAP,TANTAL,CHIP,MAKER

ECTZ0002602

22 uF,6.3V ,M ,STD ,2012 ,R/TP

C322

CAP,CERAMIC,CHIP

ECCH0001811

220000 pF,10V ,Z ,Y5V ,HD ,1005 ,R/TP

C323

CAP,CERAMIC,CHIP

ECCH0000143

1 nF,50V,K,X7R,HD,1005,R/TP

C325

CAP,CERAMIC,CHIP

ECCH0000182

0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP

C327

CAP,CERAMIC,CHIP

ECCH0007901

10 uF,4V ,M ,X5R ,TC ,1608 ,R/TP

C328

CAP,CERAMIC,CHIP

ECCH0007901

10 uF,4V ,M ,X5R ,TC ,1608 ,R/TP

C405

CAP,CERAMIC,CHIP

ECCH0000276

1 uF,10V,Z,Y5V,HD,1608,R/TP

C406

CAP,CERAMIC,CHIP

ECCH0000122

47 pF,50V,J,NP0,TC,1005,R/TP

C407

CAP,TANTAL,CHIP,MAKER

ECTZ0002602

22 uF,6.3V ,M ,STD ,2012 ,R/TP

C408

CAP,CERAMIC,CHIP

ECCH0001811

220000 pF,10V ,Z ,Y5V ,HD ,1005 ,R/TP

C409

CAP,CERAMIC,CHIP

ECCH0001811

220000 pF,10V ,Z ,Y5V ,HD ,1005 ,R/TP

C498

CAP,CERAMIC,CHIP

ECCH0004904

1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP

C500

CAP,CERAMIC,CHIP

ECCH0000120

39 pF,50V,J,NP0,TC,1005,R/TP

C501

CAP,CERAMIC,CHIP

ECCH0000117

27 pF,50V,J,NP0,TC,1005,R/TP

C502

CAP,CERAMIC,CHIP

ECCH0000113

18 pF,50V,J,NP0,TC,1005,R/TP

C503

CAP,CERAMIC,CHIP

ECCH0000155

10 nF,16V,K,X7R,HD,1005,R/TP

C504

CAP,CERAMIC,CHIP

ECCH0000155

10 nF,16V,K,X7R,HD,1005,R/TP

C505

CAP,CERAMIC,CHIP

ECCH0000104

3 pF,50V,C,NP0,TC,1005,R/TP

C506

CAP,CERAMIC,CHIP

ECCH0000110

10 pF,50V,D,NP0,TC,1005,R/TP

C507

CAP,TANTAL,CHIP,MAKER

ECTZ0003101

33 uF,10V ,M ,STD ,ETC ,R/TP

C508

CAP,CERAMIC,CHIP

ECCH0000117

27 pF,50V,J,NP0,TC,1005,R/TP

C509

CAP,CERAMIC,CHIP

ECCH0000143

1 nF,50V,K,X7R,HD,1005,R/TP

C510

CAP,CERAMIC,CHIP

ECCH0000901

2.2 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP

C511

CAP,CERAMIC,CHIP

ECCH0000178

1.8 pF,50V ,D ,NP0 ,TC ,1005 ,R/TP

C513

CAP,CERAMIC,CHIP

ECCH0000120

39 pF,50V,J,NP0,TC,1005,R/TP

C514

CAP,CERAMIC,CHIP

ECCH0000181

4.7 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP

C515

CAP,CERAMIC,CHIP

ECCH0000120

39 pF,50V,J,NP0,TC,1005,R/TP

C516

CAP,CERAMIC,CHIP

ECCH0000102

1 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP

C517

CAP,CERAMIC,CHIP

ECCH0000104

3 pF,50V,C,NP0,TC,1005,R/TP

C518

CAP,CERAMIC,CHIP

ECCH0000159

22 nF,16V,K,X7R,HD,1005,R/TP

Level

Location

Description

Part Number

Specification

Color

Remark

No.

Summary of Contents for B2100

Page 1: ...Service Manual Model B2100 Service Manual B2100 P N MMBD0047901 Date April 2005 Issue 1 0 ...

Page 2: ...3 3 9 Microphone 44 3 10 Main Speaker 44 3 11 Headset Interface 45 3 12 Key Back light Illumination 46 3 13 Vibrator 47 4 TROUBLE SHOOTING 48 4 1 RX Troble 48 4 2 Tx Trouble 56 4 3 Power On Trouble 64 4 4 Charging Trouble 66 4 5 Vibrator Trouble 68 4 6 LCD Trouble 70 4 7 CameraTrouble 72 4 8 Speaker Trouble 74 4 9 Sim Card Trouble 76 4 10 Earphone Trouble 78 4 11 Key Backlight Trouble 80 4 12 Rece...

Page 3: ...MENU 7 115 10 STAND ALONE TEST 116 10 1 Introduction 116 10 2 Setting Method 116 10 3 Means of Test 117 11 AUTO CALIBRATION 119 11 1 Overview 119 11 2 Requirements 119 11 3 Menu and Settings 119 11 4 AGC 121 11 5 APC 121 11 6 ADC 121 11 7 Setting 121 11 8 How to do calibration 121 12 EXPLODED VIEW REPLACEMENT PART LIST 123 12 1 Exploded View 123 12 2 Replacement Parts Mechanic component 124 12 2 R...

Page 4: ...e 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 provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as lo...

Page 5: ...ipment 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 U Service personnel should ground themselves by using a wrist strap when exchange system boards U When repairs are made to a syste...

Page 6: ... Shift Keying GPIB General Purpose Interface Bus GSM Global System for Mobile Communications IPUI International Portable User Identity IF Intermediate Frequency LCD Liquid Crystal Display LDO Low Drop Output LED Light Emitting Diode OPLL Offset Phase Locked Loop PAM Power Amplifier Module PCB Printed Circuit Board PGA Programmable Gain Amplifier PLL Phase Locked Loop PSTN Public Switched Telephone...

Page 7: ...ime Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator WAP Wireless Application Protocol ...

Page 8: ...ime Approx Under 3 75 hours RX Sensitivity GSM EGSM 104dBm DCS 104dBm TX output power GSM EGSM 33dBm Level 5 DCS PCS 30dBm Level 0 GPRS compatibility Class 10 SIM card type 3V Small Only Display Main LCD CSTN 128 128 pixel 65K Color Hard icons Key Pad 0 9 Status Indicator Menu Key Clear Key Camera Key Send Key END PWR Key Soft Key Left Right ANT Internal EAR Phone Jack Yes Mono PC Synchronization ...

Page 9: ...0 degrees 3 Frequency Error 0 1 ppm GSM EGSM Level Power Toler Level Power Toler 5 33dBm 2dB 13 17dBm 3dB 6 31dBm 3dB 14 15dBm 3dB 7 29dBm 3dB 15 13dBm 3dB 8 27dBm 3dB 16 11dBm 5dB 9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 12 19dBm 3dB 4 Power Level DCS PCS Level Power Toler Level Power Toler 0 30dBm 2dB 8 14dBm 3dB 1 28dBm 3dB 9 12dBm 4dB 2 26dBm 3dB 10 10dBm 4dB 3...

Page 10: ... 3 000 6 000 65 5 Output RF Spectrum 6 000 71 due to modulation GSM EGSM Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 GSM EGSM Offset from Carrier kHz Max dBc 400 19 600 21 Output RF Spectrum 1 200 21 6 due to switching 1 800 24 transient GSM EGSM Offset from Carrier kHz Max dBc 400 19 600 21 ...

Page 11: ...S BER Class II 2 439 100 dBm 9 RXLevelReportAccuracy Conduction Emission Status 10 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 11 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3 400 2 10 4 000 2 Mean that Adopt a straight line in between 300 Hz and 1 000 Hz...

Page 12: ...ge distortion 10 18 System frequency 2 5 ppm 13 MHz tolerance 19 32 768KHz tolerance 30 ppm At least 65 dBspl under below conditions 20 Ringer Volume 1 Ringer set as ringer 2 Test distance set as 50 cm 21 Charge Current Fast Charge 430 mA Slow Charge 160 mA Antenna Bar Number Power 5 85 dBm 4 95 dBm 91 dBm 3 30 7 22 Antenna Display 2 33 3 1 33 7 0 31 7 10 25 5 Battery Bar Number Voltage 0 3 50 3 5...

Page 13: ...3 3 76 3 89 V 4 3 90 V 24 Low Voltage Warning 3 59 0 03V Call 3 50 0 03V Standby 25 Forced shut down 3 35 0 03V Voltage 1 Li ion Battery 26 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 780mAh Switching mode charger 27 Travel Charger Input 100 240 V 50 60 Hz Output 5 2 V 800 mA ...

Page 14: ... I transceiver is the integrated RF front end for multi band GSM GPRS digital cellular and a VCTCXO part handsets and wireless data modems The integrated solution eliminates the IF SAW filter external low noise amplifier LNAs for three bands transmit and RF voltage controlled oscillator VCO modules and other discrete components found in conventional designs Figure 3 1 RECEIVER FUNCTIONAL BLOCK DIA...

Page 15: ...o control the Rx and Tx paths And the input signals VC1 VC2 VC3 of a FL500 are directly connected to baseband controller to switch either Tx or Rx path on The logic and current is given below Table 3 1 Three differential input LNAs are integrated in SI4205 The GSM input supports the GSM 850 864 894 MHz or E GSM 900 925 960MHz bands The DCS input supports the DCS 1800 1805 1880 MHz band The PCS inp...

Page 16: ...on to remove blocking and reference interference signals The selectivity setting CSEL 0 or a low selectivity setting CSEL 1 The low selectivity filter has a flatter group channelization filter is in the baseband chip After channel selection the digital output is scaled with a digital PGA which is controlled with the DGAIN 5 0 bits in register 05h The amplified digital output signal go through with...

Page 17: ...ated signal The baseband software is able to cancel out differential DC offsets in the I Q baseband signals caused by imperfections in the D A converters The Tx Modulator implements a quadrature modulator A quadrature mixer upconverts the differential in phase TXIP TXIN and quadrature TXQP TXQN signals with the IFLO to generate a SSB IF signal that is filtered and used as the reference input to th...

Page 18: ...ion is used for the GSM 850 and E GSM 900 bands and low side injection is used for the DCS 1800 and PCS 1900 bands The I and Q signals are automatically swapped when switching bands Additionally the SWAP bit in register 03h can be used to manually exchange the I and Q signals Low pass filters before the OPLL phase detector reduce the harmonic content of the quadrature modulator and feedback mixer ...

Page 19: ...ies are set by programming the N Divider registers NRF1 NRF2 and NIF Programming the N Divider register for either RF1 or RF2 automatically selects the proper VCO The output frequency of each PLL is as follows fout N x fø The DIV2 bit in register 31h controls a programmable divider at the XIN pin to allow either a 13 or 26 MHz reference frequency For receive mode the RF1 PLL phase detector update ...

Page 20: ...DCS and PCS handheld digital cellular equipment and other applications in the 824MHz to 849MHz 880MHz to 915MHz 1710MHz to 1785MHz and 1850MHz to 1910MHz bands The RF3166 incorporates RFMD s latest VBATT tracking circuit which monitors battery voltage and prevents the power control loop From reaching saturation The VBATT tracking circuit eliminates the need to monitor battery voltage thereby minim...

Page 21: ...p U601 CL761s 3 4 Power Supplies for RF Circuits RF LDO U502 Two regulators are used for RF circuits One is MIC5255 U502 and the other is one port of AD6537 U101 MIC5255 U502 supplies power to transceiver SI4205 U500 One port of AD6537 supplies power to VCTCXO X500 Main power VBAT from battery is used for PAM RF3166 U501 because PAM requires high power Table 3 2 RF POWER SUPPLIERS Figure 3 6 VCTCX...

Page 22: ...24 ServiceManual 3 TECHNICAL BRIEF Figure 3 7 RF LDO CIRCUIT DIAGRAM ...

Page 23: ...ServiceManual 25 3 TECHNICAL BRIEF 3 5 Digital Main Processor AD6527B U100 Figure 3 8 SYSTEM INTERCONECTION OF AD6527B EXTERNAL INTERFACE ...

Page 24: ...for Burst and Page Mode Flash Support for Pseudo SRAM Ciphering module for GPRS supporting GAE1 and GAE2 encryption algorithms Parallel and Serial Display Interface 8 x 8 Keypad Interface Four independent programmable backlight plus One Service Light 1 8V and 3 0V 64 kbps SIM interface Universal System Connector Interface Slow Medium and Fast IrDA transceiver interface Enhanced Generic Serial Port...

Page 25: ... LCD module through L_MAIN_LCD_CS L_SUB_LCD_CS LCD_RESET LCD_RS LCD_WR LCD_RD L_DATA 15 00 2V8_VEXT IF_MODE LCD_ID 0 2 Signals Description _LCD_CS MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin LCD_DIM_CTRL It controls dimming mode of LCD module GPIO_5 LCD_RESET This pin resets LCD module This signal comes from DBB directly GPIO 15 _WR Enable writing to LCD Driver 2V8_VMEM 2 8V volt...

Page 26: ...23 LCD DIM CTL Control LCD backlight level in 16 steps GPIO 5 LCD LED CTR Voltage source for LCD Backlight LED Table 3 4 DESCRIPTION OF LCD BACKLIGHT LED CONTROL Table 3 5 RF CONTRON SIGNALS DISCRIPTION Signals Description PA BAND GPO 17 PAM Band Select ANT SW1 GPO 9 Antenna switch Band Select ANT SW2 GPO 11 Antenna switch Band Select ANT SW3 GPO 10 Antenna switch Band Select CLKON RF LDO Enable D...

Page 27: ...6527 detects whether key is pressed or not by using interrupt method F AD6537B Interrupt AD6537B provides an active high interrupt output signal Interrupt signals are generated by the Auxiliary ADC audio and charger modules Table 3 6 SIM CONTRON SIGNALS DISCRIPTION Figure 3 9 SIM Interface of AD6527 Signals Description SIM DATA This pin receives and sends data to SIM card This model can support 1 ...

Page 28: ...ications software such as data services test and maintenance It is tightly associated with on chip system SRAM and also includes boot ROM memory with a small dedicated routine to facilitate the initialization of the external Flash Memory via code download using the on chip serial interface to the external Flash Memory interface The peripheral subsystem is composed of system peripherals such as int...

Page 29: ...ServiceManual 31 3 TECHNICAL BRIEF 3 6 Analog Main Power Management Processor AD6537B U101 Figure 3 11 AD6537B FUNCTIONAL BLOCK DIAGRAM ...

Page 30: ...channel Transmit DACs and Filters Power Ramping DAC 2 BB Receive section I channel Q channel Receive ADCs and Filters 3 Auxiliary section Voltage Reference Automatic Frequency Control DAC Auxiliary ADC Light Controllers 4 Audio Section 8 kHz 16 kHz Voiceband Codec 48 kHz Monophonic DAC Power Amplifiers 5 Power Management section Voltage Regulators Battery Charger Battery Protection 6 Digital Proce...

Page 31: ... slot application 2 The transmit channel consists of a digital GMSK modulator a matched pair of 10 bit DACs and a matched pair of reconstruction filter 3 6 2 Baseband Transmit Section 1 This section consists of two identical ADC channels that process baseband in phase I and quadrature Q input signals Figure 3 13 AD6537B BASEBAND RECEIVER SECTION Figure 3 12 AD6537B BASEBAND TRANSMIT SECTION ...

Page 32: ...oltage reference buffers an Auxiliary ADC and light controllers AFC DAC 13 bits 2 This section also contains AUX ADC and Voltage Reference IDAC 10 bits The Auxiliary ADC provides Two differential inputs for temperature sensing A differential input for the battery charger current sensor Figure 3 14 AD6537B AUXILIARY SECTION ...

Page 33: ...ntroller a microphone interface and multiple analog input and output channels 4 It interconnects with external devices like main microphone main receiver and headset The descriptions of audio port used in B2100 are given bellow in detail Up Link AIN1P AIN1N Main microphone positive negative terminal AIN2P AIN2N Headset microphone positive negative terminal AIN3P AIN3N External Analog Input termina...

Page 34: ...gic 1 The AD6537B controls power on sequence 2 Power on sequence If a battery is inserted the battery powers the 8 LDOs Then if PWRONKEY is detected the LDOs output turn on REFOUT is also enabled Reset is generated and send to the AD6527 Figure 3 16 AD6537B POWER MANAGEMENT SECTION ...

Page 35: ...V or 2 8V 150mA V E X T supplies Radio digital interface and high voltage interface 2 8V 170mA V S I M supplies the SIM interface circuitry on the digital processor and SIM card 1 8V or 2 85V 20mA V R T C supplies the Real Time Clock module 1 8 V 20 A V A B B supplies the analog portions of the AD6537B V M I C supplies the microphone interface circuitry 2 5 V 1 mA VVCXO supplies the voltage contro...

Page 36: ...is lower than 3 2V the precharge low current charge mode starts firstly And the battery voltage reach to 3 2V the CC CV charging starts 3 Pins used for charging VCHG charger supply GATEDRIVE charge DAC output ISENSE charge current sense input VBATSENSE battery voltage sense input BATTYPE battery type identification input REFCHG voltage reference output 4 TA Travel Adaptor Input voltage AC 85V 260V...

Page 37: ...ServiceManual 39 3 TECHNICAL BRIEF Figure 3 19 B2100 HEADSET SPEAKER CIRCUIT AD6537B Figure 3 20 B2100 HEADSET SPEAKER CIRCUIT AD6537B ...

Page 38: ...ckle charging additional circuit Pre charge circuit was included This circuit has supplied Max 160mA current into the battery additionally So call it it reduce trickle charging time Figure 3 21 CIRCUIT FOR BATTERY CHARGING AT AD6537B NORMAL CHARGING Pre Charge Circuit ...

Page 39: ...s LCD module This signal comes from DBB directly _WR Write control Signal _DATA 00 15 Parallel data lines LCD_ID 1 2 LCD type selection signals LCD_ID1 LCD maker 2 4V is SII 0V is HyeLCD LCD_ID 2 3 for the future using For using 65K color data buses should be 16 bits Properties Spec Unit Active Screen Size 28 022 H X 28 022 V mm Color Depth 65 000 colors Resolution 128 X RGB X 128 dots Pixel Size ...

Page 40: ...42 ServiceManual 3 TECHNICAL BRIEF Figure 3 23 LCD INTERFACE CIRCUIT ...

Page 41: ...or KEY_ROW5 as shown in Figure 3 24 except for the power switch KB1 which is connected independently Functions the row and column lines of the keypad are connected to ports of AD6527 The columns are outputs while the rows are inputs and have pull up resistors built in When a key is pressed the corresponding row and column are connected together causing the row input to go low and generate an inter...

Page 42: ...ted by the voiceband ADC part of AD6537B The digitized speech PCM 8KHz 16KHz is then passed to the DSP section of AD6527 for processing coding interleaving etc 3 10 Main Speaker In the case of B2100 there are 2 different speakers One is main speaker for the received voice key tone and other MIDI sounds and the other is headset speaker The main speaker is driven directly from AD6537B AOUT1P and AOU...

Page 43: ... from Receiver to Headset Jack If jack is inserted JACK_DETECT goes from low to high Audio path is switched from receiver to earphone by JACK_DETECT interrupt Switching from Headset Jack to Receiver If jack is removed JACK_DETECT goes from high to low Audio path is switched from earphone to receiver by JACK_DETECT interrupt Hook detection If hook button is pressed HOOK_DETECT is changed from high ...

Page 44: ...ECHNICAL BRIEF 3 12 Key Back light Illumination In key back light illumination there are 6 Blue LEDs in Main Board which are driven by MIDI KEY BL1 and MIDI KEY BL2 signal from ML2871 Figure 3 30 KEY BACK LIGHT ILLUMINTION ...

Page 45: ...ServiceManual 47 3 TECHNICAL BRIEF 3 13 VIBRATOR The vibrator is placed in the Bar Rear and contacted to LCD MODULE The vibrator is driven from MIDI_VIBRATOR from ML2871 Figure 3 32 MOTOR ...

Page 46: ...48 ServiceManual 4 TROUBLE SHOOTING Figure 4 1 a 4 TROUBLE SHOOTING 4 1 RX Trouble TEST POINT ...

Page 47: ...ServiceManual 49 4 TROUBLE SHOOTING Checking Flow Figure 4 1 a ...

Page 48: ...50 ServiceManual 4 TROUBLE SHOOTING 1 Checking Regulator Circuit TEST POINT CIRCUIT Checking Flow Figure 4 2 ...

Page 49: ...ServiceManual 51 4 TROUBLE SHOOTING 2 Checking VCTCXO Circuit TEST POINT CIRCUIT Waveform Checking Flow Graph 4 1 a Graph 4 1 b ...

Page 50: ...52 ServiceManual 4 TROUBLE SHOOTING 3 Checking Ant SW Mobile SW TEST POINT CIRCUIT Waveform Figure 4 5 ANT SW Control GSM DCS RX Mode Graph 4 3 Table 4 2 ...

Page 51: ...ServiceManual 53 4 TROUBLE SHOOTING Checking Flow Table 4 2 ...

Page 52: ...54 ServiceManual 4 TROUBLE SHOOTING 4 Checking RX path Circuit TEST POINT Checking Flow CIRCUIT ...

Page 53: ...ServiceManual 55 4 TROUBLE SHOOTING 5 Checking RX IQ TEST POINT CIRCUIT Waveform Checking Flow Graph 4 4 ...

Page 54: ...56 ServiceManual 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT ...

Page 55: ...ServiceManual 57 4 TROUBLE SHOOTING Checking Flow ...

Page 56: ...58 ServiceManual 4 TROUBLE SHOOTING 1 Checking Regulator Circuit TEST POINT CIRCUIT Checking Flow ...

Page 57: ...ServiceManual 59 4 TROUBLE SHOOTING 2 Checking VCTCXO Circuit TEST POINT CIRCUIT Waveform Checking Flow Graph 4 1 a Graph 4 1 b ...

Page 58: ...60 ServiceManual 4 TROUBLE SHOOTING 3 Checking Ant SW Mobile SW TEST POINT CIRCUIT Waveform Graph 4 6 a Figure 4 5 Graph 4 6 b ...

Page 59: ...ServiceManual 61 4 TROUBLE SHOOTING Checking Flow Table 4 3 ...

Page 60: ...ual 4 TROUBLE SHOOTING 4 Checking PAM Control Signal TEST POINT Waveform Checking Flow Checking Flow Check TX RAMP and PA EN Check if there is Any Major Difference or not Refer to Graph 4 7 Graph 4 7 TX_RAMP PAM_EN ...

Page 61: ...ServiceManual 63 4 TROUBLE SHOOTING 6 Checking TX IQ TEST POINT CIRCUIT Checking Flow Waveform Check if there is Any Major Difference Refer to Graph 4 8 Graph 4 8 ...

Page 62: ...64 ServiceManual 4 TROUBLE SHOOTING 4 3 Power On Trouble TEST POINT CIRCUIT ...

Page 63: ...ServiceManual 65 4 TROUBLE SHOOTING Checking Flow ...

Page 64: ...66 ServiceManual 4 TROUBLE SHOOTING 4 4 Charging Trouble TEST POINT CIRCUIT ...

Page 65: ...ServiceManual 67 4 TROUBLE SHOOTING Checking Flow ...

Page 66: ...68 ServiceManual 4 TROUBLE SHOOTING 4 5 Vibrator Trouble TEST POINT CIRCUIT ...

Page 67: ...ServiceManual 69 4 TROUBLE SHOOTING Checking Flow SETTING Enter the engineering mode and set vibrator on at vibration of BB test menu ...

Page 68: ...70 ServiceManual 4 TROUBLE SHOOTING 4 6 LCD Trouble TEST POINT ...

Page 69: ...ServiceManual 71 4 TROUBLE SHOOTING Checking Flow ...

Page 70: ...72 ServiceManual 4 TROUBLE SHOOTING 4 7 Camera Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 71: ...ServiceManual 73 4 TROUBLE SHOOTING Checking Flow ...

Page 72: ...74 ServiceManual 4 TROUBLE SHOOTING 4 8 Speaker Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 73: ...ServiceManual 75 4 TROUBLE SHOOTING Checking Flow ...

Page 74: ...76 ServiceManual 4 TROUBLE SHOOTING 4 9 SIM Card Interface Trouble TEST POINT CIRCUIT DIAGRAM SIM CONNECTOR ...

Page 75: ...ServiceManual 77 4 TROUBLE SHOOTING Checking Flow ...

Page 76: ...78 ServiceManual 4 TROUBLE SHOOTING 4 10 Earphone Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 77: ...ServiceManual 79 4 TROUBLE SHOOTING Checking Flow ...

Page 78: ...80 ServiceManual 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...

Page 79: ...ServiceManual 81 4 TROUBLE SHOOTING CIRCUIT DIAGRAM Checking Flow ...

Page 80: ...82 ServiceManual 4 TROUBLE SHOOTING 4 12 Receiver Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 81: ...ServiceManual 83 4 TROUBLE SHOOTING Checking Flow SETTING After initialize Agilent 8960 Test EGSM DCS mode Set the property of audio as PRBS or continuous wave Set the receiving volume of mobile as Max ...

Page 82: ...84 ServiceManual 4 TROUBLE SHOOTING 4 13 Microphone Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 83: ...ServiceManual 85 4 TROUBLE SHOOTING Checking Flow SETTING After initialize Agilent 8960 Test EGSM DCS mode ...

Page 84: ...86 ServiceManual 4 TROUBLE SHOOTING 4 14 RTC Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 85: ...ServiceManual 87 4 TROUBLE SHOOTING Checking Flow ...

Page 86: ...88 ServiceManual 4 TROUBLE SHOOTING 4 15 Indication LED Trouble TEST POINT CIRCUIT DIAGRAM ...

Page 87: ...ServiceManual 89 4 TROUBLE SHOOTING Checking Flow Indication LED only operates in trickle charging mode ...

Page 88: ...90 ServiceManual 5 DOWNLOAD AND CALIBRATION 5 DOWNLOAD AND CALIBRATION 5 1 Download A Download Setup Figure 5 1 describes Download setup Figure 5 1 Download setup ...

Page 89: ...ServiceManual 91 5 DOWNLOAD AND CALIBRATION B Download Procedure 1 Access Flash loader program in PC and select Erase Don t check OWCD 2 Press Start and Wait until Erase is completed ...

Page 90: ... DOWNLOAD AND CALIBRATION 3 Change Address and Size Address 18000000 Size 0x800000 and Press Start and Wait until Erase is completed again 4 Press Write to start Download and press Key to choose software AlchemyData mot ...

Page 91: ... DOWNLOAD AND CALIBRATION 3 Change Address and Size Address 18000000 Size 0x800000 and Press Start and Wait until Erase is completed again 4 Press Write to start Download and press Key to choose software AlchemyData mot ...

Page 92: ...94 ServiceManual 5 DOWNLOAD AND CALIBRATION 7 Press Start and Power on the phone using JIG remote Power on Switch 1 8 Wait until Sending Block is completed ...

Page 93: ...ServiceManual 95 5 DOWNLOAD AND CALIBRATION 9 Press Write to start Download and press Key to choose software CodeData mot 10 Choose software ...

Page 94: ...96 ServiceManual 5 DOWNLOAD AND CALIBRATION 11 Wait until Sending Block is completed ...

Page 95: ...nt for Calibration Type Model Band Wireless Communication Test Set HP 8960 Agilent RS 232 Cable and Test JIG LG RF Cable LG Power Supply HP 66311B Agilent GPIO interface card HP GPIB Agilent Calibration Final test software LG Test SIM Card PC for Software Installation Pentium class above 300MHz Figure 5 2 Equipment Setup ...

Page 96: ...DI REMOTE In ON state phone is awaked It is used ADI chipset Switch2 TI REMOTE In ON state phone is awaked It is used TI chipset Switch3 VBAT Power is provided for phone from battery Switch4 PS Power is provided for phone from Power supply LED Number Name Description LED1 POWER Power is provided for Test Jig LED2 TA Indicate charging state of the phone battery LED3 VART Indicate data transfer stat...

Page 97: ...3 Set the 3rd 4th of DIP SW ON state always 4 Press the Phone power key if the Remote ON is used 1st ON state D Procedure 1 Connect as Fig 6 2 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Power ON PC then enter into Windows 98 Remark Windows 2000 system could be feasible 3 Run AUTOCAL exe the AUTOCAL application window will be appeared ...

Page 98: ... 100 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM Base Band ...

Page 99: ... 101 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM RF ...

Page 100: ... 102 7 CIRCUIT DIAGRAM 7 1 MANI ...

Page 101: ... 103 7 CIRCUIT DIAGRAM 7 2 AUDIO MIDI ...

Page 102: ... 104 7 CIRCUIT DIAGRAM 7 3 MEMORY MMI IO ...

Page 103: ... 105 7 CIRCUIT DIAGRAM 7 4 LCD CONN ...

Page 104: ... 106 7 CIRCUIT DIAGRAM 7 5 RF Circuit ...

Page 105: ... 107 7 CIRCUIT DIAGRAM 7 6 CAMERA ...

Page 106: ... 108 8 PCB LAYOUT ...

Page 107: ... 109 8 PCB LAYOUT ...

Page 108: ...basic functions provided by a handset B Access Codes The key sequence for switching the engineering mode on is 2945 Pressing END will switch back to non engineering mode operation C Key Operation Use Up and Down key to select a menu and press select key to progress the test Pressing back key will switch back to the original test menu D Engineering Mode Menu Tree ...

Page 109: ... Keypad Backlight light on at the same time 2 Backlight off LCD Backlight and Keypad Backlight light off at the same time 3 Backlight value This controls brightness of Backlight When entering into the menu the present backlight value in the phone is displayed Use Left Right key to adjust the level of brightness The value of the brightness set at last will be saved in the NVRAM 9 1 4 Buzzer This me...

Page 110: ...attery ADC 2 AUX ADC Auxiliary ADC 3 TEMPER ADC Temperature ADC 9 1 6 BATTERY 1 Bat Cal This displays the value of Battery Calibration The following menus are displayed in order BAT LEV 4V BAT LEV 3 LIMIT BAT LEV 2 LIMIT BAT LEV 1 LIMIT BAT IDLE LI MIT BAT INCALL LIMIT SHUT DOWN VOLTAGE BAT RECHARGE LMT 2 TEMP Cal This displays the value of Temperature Calibration The following menus are displayed...

Page 111: ...VbControl4 VbControl4 bit Register Value Setting 5 VbControl5 VbControl5 bit Register Value Setting 6 VbControl6 VbControl6 bit Register Value Setting 9 1 8 DAI Digital Audio Interface This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing 1 DAI AUDIO DAI audio mode 2 DAI UPLINK Speech encoder test 3 DAI DOWNLINK Speech decoder test 4 DAI OFF DAI mode off 9...

Page 112: ...quence Volume 1 Volume 2 Volume 3 Volume 0 mute Volume 4 Volume 5 9 3 4 Vibratort Vibrator is on for about 1 5 seconds 9 3 5 LCD 1 LCD Main LCD screen resolution tests horizontally and vertically one by one and fills the screen 2 SubLCD Sub LCD screen resolution tests horizontally and vertically one by one and fills the screen 9 3 6 Key pad When a pop up message shows Press Any Key you may press a...

Page 113: ...ets total conversation time to this 00 00 00 3 DAI DOWNLINK Speech decoder test 4 DAI OFF DAI mode off 9 6 Fact Reset MENU 6 This Factory Reset menu is to format data block in the flash memory and this procedure set up the default value in data block Attention 1 Fact Reset i e Factory Reset should be only used during the Manufacturing process Servicemen should NOT progress this menu otherwise some...

Page 114: ...elow Port select a correct COM port Baud rate 38400 Leave the rest as default values B Tx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM between 5 19 or DCS between 0 15 c Scaling Factor A Ramp Factor appears on the screen You may adjust the shape of the Ramp or ...

Page 115: ...TAND ALONE TEST 10 3 Means of Test a Select a COM port b Set the values in Tx or Rx c Select band and channel d After setting them all above press connect button e Press the start button Figure 3 2 SI4205 RECEIVER PARTIAGRAM ...

Page 116: ...118 ServiceManual 10 STAND ALONE TEST Figure 11 2 HW test setting Figure 11 3 Ramping profile ...

Page 117: ...s File F Save Setting Save Current Calibration settings to setting file cal File F Load Setting Load saved Calibration setting File F Make BIN ALL Make binary file after calibration finished File F Make BIN BAT Cal only Make binary file of battery cal data only after calibration finished File F Make Write BIN Make binary file after calibration finished then download it to the Flash Memory View V T...

Page 118: ...s GSM and DCS Screen GPIB Primary address Enter the SS Ag8960 and PS Tektronix PS2521G GPIB address Screen ADC Channel Default ADC Calibration Channel Screen Auto Calibration Item Default Calibration Settings about Tx Rx ADC and write BIN file Figure 11 1 Auto Calibration Program ...

Page 119: ...attery Config Table and temperature Config Table 11 7 Setting check com port and cable loss Select automatic calibration item If you uncheck one item calibration will stop from the unchecked item This is useful when you want to process only one item 11 8 How to do calibration A Connect cable between phone and serial port of PC B Connect Ag8960 equipment and Power Supply and phone C Set correct por...

Page 120: ... 123 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 Exploded View 1 2 4 5 9 7 10 33 12 17 37 16 15 14 13 6 3 38 35 8 11 31 30 28 25 23 22 21 18 19 20 34 36 39 32 29 27 24 26 ...

Page 121: ...CGM0046601 Black 4 AWAZ00 WINDOW ASSY AWAZ0006501 Black 28 5 BFAA FILM INMOLD BFAA0024701 RUSSIA 5 MWAE WINDOW CAMERA MWAE0006401 4 MCCC00 CAP EARPHONE JACK MCCC0021101 Silver 19 4 MCJN00 COVER REAR MCJN0031401 Black 21 4 MLCD00 LENS CAMERA MLCD0003801 25 4 MPBT00 PAD CAMERA MPBT0012601 Black 20 4 MTAB00 TAPE PROTECTION MTAB0065101 31 4 MTAC00 TAPE SHIELD MTAC0023501 36 4 MTAD00 TAPE WINDOW MTAD00...

Page 122: ...C00 TAPE SHIELD MTAC0022101 Gold 3 MTAC01 TAPE SHIELD MTAC0022201 Gold 3 MTAZ00 TAPE MTAZ0065101 33 5 ADCA00 DOME ASSY METAL ADCA0028801 11 5 AMCY00 MIKE ASSY AMCY0002401 Black 6 MPBZ00 PAD MPBZ0080901 Black 5 MLAB00 LABEL A S MLAB0000601 HUMIDITY STICKER 5 MLAC00 LABEL BARCODE MLAC0003301 EZ LOOKS use for PCB ASSY MAIN hardware Level Location Description Part Number Specification Color Remark No ...

Page 123: ...163 47 nF 10V K X5R HD 1005 R TP 6 C108 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C109 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C110 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C111 CAP TANTAL CHIP MAKER ECTZ0002602 22 uF 6 3V M STD 2012 R TP 6 C112 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C113 CAP CERAMIC CHIP ECCH0004904 1 u...

Page 124: ... CHIP MAKER ECTZ0002602 22 uF 6 3V M STD 2012 R TP 6 C207 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C208 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C212 CAP CERAMIC CHIP ECCH0007901 10 uF 4V M X5R TC 1608 R TP 6 C215 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C216 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C217 CAP CERA...

Page 125: ... CAP TANTAL CHIP MAKER ECTZ0002602 22 uF 6 3V M STD 2012 R TP 6 C408 CAP CERAMIC CHIP ECCH0001811 220000 pF 10V Z Y5V HD 1005 R TP 6 C409 CAP CERAMIC CHIP ECCH0001811 220000 pF 10V Z Y5V HD 1005 R TP 6 C498 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C500 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C501 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C50...

Page 126: ...55 10 nF 16V K X7R HD 1005 R TP 6 C538 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C539 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C540 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C541 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C542 CAP CERAMIC CHIP ECCH0000135 270 pF 50V K X7R HD 1005 R TP 6 C600 CAP CERAMIC CHIP ECCH0004903 1 uF 6...

Page 127: ... SMT6 0 2 W R TP 6 Q400 TR BJT NPN EQBN0007101 EMT3 0 15 W R TP LOW FREQUENCY 6 R101 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R102 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R105 RES CHIP ERHY0001102 0 2 ohm 1 4W F 2012 R TP 6 R106 RES CHIP ERHY0000230 330 ohm 1 16W J 1005 R TP 6 R107 RES CHIP ERHY0000512 10M ohm 1 16W J 1608 R TP 6 R108 RES CHIP ERHY0000273 47K ohm 1 16W J 1005 R TP...

Page 128: ...W J 1005 R TP 6 R304 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R305 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R306 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R307 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 R310 RES CHIP ERHY0000244 1 5K ohm 1 16W J 1005 R TP 6 R311 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R313 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R31...

Page 129: ...J 1005 R TP 6 R406 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R407 RES CHIP ERHY0000287 220K ohm 1 16W J 1005 R TP 6 R498 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R500 RES CHIP ERHY0000263 15K ohm 1 16W J 1005 R TP 6 R501 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R502 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R503 RES CHIP ERHY0006603 36 ohm 1 16W J 1005 R TP 6 R504 RES...

Page 130: ... 5 PIN R TP 2 85V 150mA Low Noise uCap LDO Regulator 6 U400 IC EUSY0238201 QFN 16 PIN R TP 3 LEDs WHITE LED CHARGE PUMP 6 U500 IC EUSY0161301 8x8 LGA 28 PIN R TP 6 U501 PAM SMPY0008901 35 dBm 55 2 A 50 dBc 25 dB 6 0 6 0 1 4 SMD GSM QUAD PAM 6 U502 IC EUSY0118602 SOT23 5 PIN R TP 2 85V 150mA Low Noise uCap LDO Regulator 6 U600 IC EUSY0118602 SOT23 5 PIN R TP 2 85V 150mA Low Noise uCap LDO Regulator...

Page 131: ...15 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C316 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C317 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C318 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C319 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C320 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C400 CAP CE...

Page 132: ...0233 470 ohm 1 16W J 1005 R TP 6 R401 RES CHIP ERHY0000233 470 ohm 1 16W J 1005 R TP 6 R402 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R403 RES CHIP ERHY0000274 51K ohm 1 16W J 1005 R TP 6 R404 RES CHIP ERHY0000274 51K ohm 1 16W J 1005 R TP 6 VA200 RES VARIABLE ETC ERVZ0000101 ohm PIN SMD R TP 1005 SIZE CHIP VARISTOR 6 VA201 RES VARIABLE ETC ERVZ0000101 ohm PIN SMD R TP 1005 SIZE CHIP VARIST...

Page 133: ... for reference Part order by SBOM standard on GCSC Level Location Description Part Number Specification Color Remark No 3 WSAY00 SOFTWARE APPLICATION WSAY0016801 B2100 SOFTWARE APPLICATION for Australia Optus 3 WSYY00 SOFTWARE WSYY0222601 B2100P40FL 61 V100 505 02 MAR 29 2005 B2100 Austailia Optus ...

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