LG KP105 Service Manual Download Page 55

Page: 55 / 127

LGE Internal Use Only

Only for training and service purposes

4. TROUBLE SHOOTING

- 56 -

4.4. SIM Card Trouble

R129,R130,C133

C134,C135

TP1

J101

TEST POINT

CIRCUIT DIAGRAM

SIM_CONNECTOR

0.1u

C134

22p

C133

2V85_VSIM

4.7K

R129

R130

2V85_VSIM

J101

CLK

GND

GND1

GND2

I_O

RST

VCC

VPP

C135

22p

2V85_VSIM

SIM_DATA

SIM_CLK

SIM_RST

TP1

Summary of Contents for KP105

Page 1: ...Service Manual Model KP105 106b Service Manual KP105 106b Date March 2008 Issue 1 0 Internal Use Only ...

Page 2: ...Keypad Trouble 60 4 7 RTC Trouble 62 4 8 Key backlight Trouble 64 4 9 LCD Trouble 66 4 10 Microphone Trouble 69 4 11 Receiver Trouble 71 4 12 Speaker Trouble 73 4 13 Headphone Trouble 75 4 14 Charging Trouble 77 4 15 FM Radio Trouble 79 5 DOWNLOAD 82 5 1 Download Setup 82 5 2 Download Process 83 6 BLOCK DIAGRAM 88 7 Circuit Diagram 89 8 BGA IC PIN Check 93 9 PCB LAYOUT 95 10 ENGINEERING MODE 97 10...

Page 4: ...rized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not done C Changes in Service A local telephone company may make cha...

Page 5: ...d engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system board they should spread the floor with anti static mat whic...

Page 6: ... Battery performance may vary depending on network and phone usage Stand by Time Up to 630 hrs Paging period 9 Battery performance may vary depending on network and phone usage RTC Under 1 minute when removed battery Antenna Internal Type Dual band LCD Main 1 52 128x128 pixels 65K Color STN LCD KEY Back Light Yes KEY Back Light color Blue Vibrator Yes Speaker Receiver Yes 18x10 Dual Mode C MIC Yes...

Page 7: ...uetooth X USB X USB Mass storage X RS232 O Voice Function Voice Recording X Voice Command X Answering machine X Memory User Memory O TBD Under 300KB X MMS X Pictures Still Image Moving Image X MP3 Music Contents X Java Contents O Wallpaper 3 bitmap images O Ringtone 10 MIDI Ringtones X external memory microSD Camera Camera Module X Audio Voice Codec O FR HR EFR AMR NB AMR O FM Radio O Integrated h...

Page 8: ... of etc Quick Access Mode X PLMN Service Indicator O Dimming Clock X Dual Clock X Local Time Selected Area Time Normal Features Last Dialed Number O 20 Last Received Number O 20 Last Missed Number O 20 Scratch Pad Memory X Call Call Waiting O Manage ment Call Swap O Call Retrieve O Auto Answer X Automatic Redial O Calling Line identification O Full Call divert O Speed Dialing O Last Number Redial ...

Page 9: ...te Ring Tone Pattern O 10Type fixed Ring Type Silent O Vibrator Ring Indicator Earpiece Volume O 6 Level Include Mute Mute O Cell Broadcast Read Cell Broadcast O Cell Broadcast Categories O Cell Broadcast Message O Language Phone Book Entry O 300 Field O Office Mobile Home Numeric Store and Recall O Alphabetic Store O Alphabetic Recall O Scroll by alphabetic or O numeric order Last Number Dialed O...

Page 10: ...ug In Type O 1 8V 3 V SIM Lock O Service Provider Network Lock SIM Toolkit O Class 1 2 3 Prepaid SIM Operation O Mega SIM X Short Messaging Read Message O Manage ment Write and Edit Message O Not Support EMS Send and Receive Message O Reply to Message O Forward Message O Extract Number from Message O Message Status O Message Unread Indicator O Settable Message Center Number O Reply Path and Validi...

Page 11: ...o O 20 input 40 character D day counter X Send via Bluetooth X Schedule Memo To Do list Messaging World Time Setting Local Time O Display Two Number of Cities Time X Dual clock Daylight saving X Summer time calibration function NITS X Automatic setting as country code in SIM Unit converter O Currency Surface Length Weight Temperature Volume Velocity Stop watch O Calculator Calculation O PC Sync Ph...

Page 12: ...anager O Once Daily Mon Fri Mon Sat Dimming Clock X Power off Alarm O On Alarm Event O Display Accessory Hand strap X Embedded microSD Card X microSD Adapter X Stereo earmic O EarMic Type Provides optionally only for supporting FM radio function earmic w music remote controller X Neck strap X LCD Cleaner X Holster X Data cable O RS232 cable Option CD X Holster charger X Standard battery Back up an...

Page 13: ... BRIEF 3 1 Digital Main Processor PMB7880 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 1 PMB7880 FUNCTIONAL BLOCK DIAGRAM ...

Page 14: ...nsceiver consists of Constant gain direct conversion receiver with an analog I Q baseband interface Fully integrated Sigma Delta synthesizer capability Fully integrated two band RF oscillator Two band digital GMSK modulator with digital TX interface Digitally controlled crystal oscillator generating system clocks The E GOLDvoice supports a direct battery connection hence eliminating the need for a...

Page 15: ...olor displays are supported PWM source to drive vibrator Keypad and display backlight supported Receiver Constant gain direct conversion receiver with fully integrated blocking filter Two integrated LNAs No need of interstage and IF filter Highly linear RF quadrature demodulator Programmable DC output level Very low power budget Transmitter Digital Sigma Delta modulator for GMSK modulation typical...

Page 16: ...Ohm headset driver 4 measurement interfaces PA temperature battery voltage battery temperature and ambient temperature Differential microphone input System start up circuitry Charger circuitry for NiCd NiMh and LiIon cells Integrated regulators for direct connection to battery LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 17: ...y a multi bit oversampling converter postfiltered and then amplified by a programmable gain stage The output buffer can drive a handset ear piece or an external audio amplifier an additional output driver for external loud speaker is implemented In the transmit direction the differential microphone signal is fed into a programmable gain amplifier The prefiltered and A to D converted voice signal f...

Page 18: ...as two cores a microcontroller and a DSP each with its own bus There is an interconnection between the TEAKlite bus and the C166S X Bus 3 1 6 C166S Buses The C166S is connected to three buses 1 Local Memory LM bus 2 X Bus 3 PD Bus 3 1 7 TEAKLite Bus The TEAKlite is connected to the TEAKlite bus 3 1 8 Bus Interconnections The interconnection between the X Bus and the TEAKlite Bus uses Multicore Syn...

Page 19: ...charging with cheap transformers possible White blue backlight generation is supported with a special driver for very a low external parts count Power consumption during operation phases is minimized due to flexible clock switching In the Standby Mode most parts of the device are switched off only a small part is running at 32kHz and the controller RAM is switched to a power saving mode The TEAKLi...

Page 20: ...fused ID Further details on the E GOLDvoice security concept are not publicly documented 3 1 16 Asynchronous Operation Mode Concept The E GOLDvoice can operate in either The traditional synchronous mode with the 26MHz system clock synchronized on the base station A special asynchronous mode XO concept In the asynchronous mode the 26MHz clock input is not synchronized with the base station the resi...

Page 21: ...Antenna to Receive SAW filter solution The module consists of a GSM900 PA block and a DCS1800 PA block impedancematching circuitry for 50ohm input and output impedances Tx harmonics filtering high linearity and low insertion loss PHEMT RF switches diplexer and a Power Amplifier Control PAC block with internal current sense resistor A custom BiCMOS integrated circuit provides the internal PAC funct...

Page 22: ... plastic overmold Band Selection and control of transmit and receive modes are performed using two external control pads Refer to the functional block diagram in Figure 3 2 The Band select pad BS selects between GSM and DCS modes of peration The transmit enable TX_EN pad controls receive or transmit mode of the respective RF switch TX logic 1 Proper timing between transmit enable TX_EN and Analog ...

Page 23: ...ift and aging These static and dynamic frequency variations have to be compensated otherwise the mobile would be in danger of losing connection to the network The technique used to perform the frequency compensation is generally termed Automatic Frequency Control AFC To summarize the operation of DCXO GSM Baseband processor will calculate the AFC compensation which is continuously updated required...

Page 24: ...n be fed from either an external clock source or use the on chip 32 KHz oscillator module The low clock frequency and the optimized low power design give the possibility to run the chip with a minimum of power dissipation For example for this specific application the 26 MHz reference oscillator can be switched off during system standby and a lowpower time reference can be kept when the 32k clock i...

Page 25: ...C126 NA R111 47 R110 47 C125 27p C124 NA EVL5M02200 VA102 NA R113 R112 47 2 3 4 5 6 7 8 9 CN101 14 15 1 10 11 12 13 C121 NA 2V8_VIO C123 27p VA101 EVLC5S0250 _LCD_CS SSC0_MTSR MLED1 MLED2 LCD_ID MLED LCD_RESET SSC0_CLK Figure 3 5 2 Charge pump interface CHARGE PUMP 1u C106 U101 C1 10 9 C1 7 C2 6 C2 CP 8 1 D1 D2 2 3 D3 EN_SET 11 GND 4 5 IN NC 12 AAT3157ITP T1 C101 1u 100K R104 C103 NA 1u C102 C109 ...

Page 26: ...battery powered applications AnalogicTech s S2Cwire Simple Serial Control serial digital input is used to enable disable and set current for each LED with 16 settings down to 50µA The low current mode supply current can be as low as 50µA to save power 3 TECHNICAL BRIEF 27 Figure 3 5 3 Charge pump Output Current Signals Description _LCD_CS This signal enable to access to the driver IC of LCD SSC0_M...

Page 27: ... doesn t check during deep sleep mode In order to communicate with SIM card 3 signals SIM_DATA SIM_CLK SIM_RST 3 TECHNICAL BRIEF 28 Figure 3 6 SIM CARD Interface SIM_CONNECTOR 0 1u C134 22p C133 2V85_VSIM 4 7K R129 R130 0 2V85_VSIM J101 3 CLK GND 4 7 GND1 GND2 8 6 I_O RST 2 VCC 1 5 VPP C135 22p 2V85_VSIM SIM_DATA SIM_CLK SIM_RST Signals Description SIM_RST This signal makes SIM card to HW default ...

Page 28: ...x 4 input and 6 output pins To set the keypad to a 5x5 scan matrix 5 input and 5 output pins The scan mode should be determined at the very beginning of the system start because changes are not allowed later 3 TECHNICAL BRIEF 29 Figure 3 7 KEY MAXTRIX Interface 5 RIGHT 2 LEFT 8 SEL MENU KEY MATRIX END 9 4 0 UP 3 DOWN 6 SEND 7 1 SW305 2V0_VRTC SW304 SW317 SW307 SW302 SW306 SW308 SW318 SW316 SW303 S...

Page 29: ...mable charge currents 85mA to 1A programmable battery full threshold thermal protection battery temperature monitoring reverse current blocking and trickle charge The device also provides AC adapter power good and Charge status indications to the system MP26021 is available in a 10 pin 3mm x 3mm QFN package 3 TECHNICAL BRIEF 30 Figure 3 8 Charging IC Interface 1 85mA 25V K Y5V 2012 1 400mA 1608 CH...

Page 30: ...nterference conditions and avoids aliasing by baseband sampling An automatic DC offset compensation is implemented and can be switched depending on the gain setting 3 TECHNICAL BRIEF 31 Figure 3 9 2 RF Module SAW Filter interface 7 GSM_RX NC 18 21 PGND TX_EN 4 1 VBATT VLOGIC 2 3 VRAMP PCS_IN 19 6 PCS_RX 17 11 ANT 5 BS GND1 8 9 GND2 10 GND3 GND4 12 13 GND5 GND6 14 15 GND7 GND8 16 GND9 20 GSM_IN IN ...

Page 31: ...The following Gaussian filter shapes the digital data stream for the GMSK modulation Additionally a pre distortion filter compensates the attenuation of the PLL transfer function resulting in a very low distortion at the transmit output The filtered digital data stream is scaled appropriately and added to the channel word This sum is fed into the MASH modulator The output of the MASH modulator is ...

Page 32: ...y voltage generation for microphones low noise amplifier and analog to digital conversion are integrated on the E GOLDvoice For E GOLDvoice the EPp1 EPn1 driver are used as differntial Earpiece Driver EPPa1 is used as single ended Headset Driver The audio front end itself can be considered to be organized in three sub blocks Interface to processor cores TEAKlite and indirectly C166S Digital filter...

Page 33: ...th a sampling rate of 4 MHz is performed digitally D to A conversion postfiltering and final amplification are performed on the analog part The amplifier buffer for voiceband receive does also support ringer functionality The ringer functionality is activated by Setting bits RINGSELPN or RINGSELPA in the voiceband part of the analog control register In transmit direction amplification prefiltering...

Page 34: ...4 120K R228 R229 4 7 L201 22nH 15p C217 C223 15p NA C224 R220 10K 470n IN A3 VDD VO B3 VO A1 B1 _SHUTDOWN C210 TPA6205A1ZQVR U204 BYPASS C1 GND B2 C2 IN C3 R_S_P 22nH L202 220n VBAT C225 R_S_N 10K R222 NA C222 C212 470n 120K R219 C211 2 2u R221 4 7 15p C221 470n C215 100K R226 SPK_P REC_N RADIO_SPK_L SPK_AMP_EN REC_P SPK_N Figure 3 10 2 Main Speaker Receiver interface ...

Page 35: ...OR 1608 7 RXD 12 13 CHG 8 JACK_D 2 AUDIO FOR RADIO 6 TXD 25V X5R 1608 11 R ON EAR_MIC 1608 FOR RADIO C307 39p 10p 1800 FB302 10u C305 C308 18p C321 3p C317 C320 39p 0 1u C301 FB301 1800 DNI R316 100K R306 3 CN302 1 2 1800 FB303 R305 100K C324 39p C302 NA R304 100K 2V8_VIO 2V8_VIO C316 18p L301 270nH VBAT C314 1u C313 56p C318 10p R301 1 5K 2V8_VIO 2V8_VIO R302 2 2K VCHARGE C309 10u FB304 NA R303 F...

Page 36: ...FF and Dimming LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 11 Key LED interface KEY BACKLIGHT 56 R313 10K R315 Q301 KTC4075E R311 15 1u C322 LD302 LEBB S14E R314 1K VBAT C323 1u R308 10 LEBB S14E LD304 91 R309 LEBB S14E LD303 LD306 LEBB S14E LD301 LEBB S14E 39 R312 R310 91 LD305 LEBB S14E KEY_BACKLIGHT ...

Page 37: ...d by EGold voice with PWM LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 12 Vibrator interface 1608 50V J NP0 VIBRATOR 100K R136 10 R134 R135 1K C136 27p Q101 2SC5585 KDS221E_RTK D101 A1_C2 3 A2 2 1 C1 VBAT 0 1u C137 1 2 CN103 VIBRATOR ...

Page 38: ...es Figure 3 13 Memory interface MEMORY F_CS DNI R139 G4 VCCF VCCS G5 G8 VSS1 E2 VSS2 A4 WP_ACC _CE1F F1 _CE1S G1 _LB A3 _OE F2 _RSTF B4 B3 _UB _WE A5 H7 DQ14 DQ15 F7 DQ2 H3 DQ3 F4 F5 DQ4 H6 DQ5 E6 DQ6 DQ7 G7 H2 DQ8 F3 DQ9 RFU0 C8 D8 RFU1 RFU2 E7 F8 RFU3 RFU4 H5 C4 RY__BY C1 A2 A20 C5 A3 B1 D2 A4 C2 A5 B2 A6 A7 A2 A6 A8 C6 A9 B5 CE2S DQ0 G2 DQ1 E3 G3 DQ10 H4 DQ11 DQ12 G6 F6 DQ13 A0 E1 A1 D1 D6 A10 ...

Page 39: ...everal methods are implemented for active and idle power saving LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 1 1608 1608 C112 1u 2V0_VRTC W_LED_FBP J14 XO A8 A9 XOX C114 1u W_LED_FBN J12 G15 VREFP VSS1 B8 VSS2 B9 VSS4 J8 K8 VSS5 VSS6 K7 F10 VSS8 M8 VSS9 B11 VDD_LRF1V5 VDD_LRF2V5 F15 VDD_LRTC K12 VDD_LSIM M11 VDD_MAIN1 G9 VDD_MAIN...

Page 40: ...management including emergency under voltage and programmed shutdown functions Internal reset of the baseband including silent reset Tri state function of the baseband module Standby mode controlled by VCXO_EN provided by SCCU module LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 14 2 EGold Voice PMU Name Output Voltage V ...

Page 41: ...8 R214 10K 47 R217 C206 FM_RST 0 1u C205 0 1u TP201 R212 100K 2V8_VBUF 2V8_VBUF 2V8_VBUF 20K R207 39K R201 4 7K R216 100p C204 2V8_VBUF 0 R204 RADIO_AMP_SHDN R206 20K FM_INT R215 4 7K 0 R208 1u C202 1u C203 _SEN 19 18 GPIO2 GPIO3 17 14 LOUT NC1 1 20 NC2 PGND 21 9 RCLK 3 RFGND 13 ROUT SCLK 7 SDIO 8 16 VA 11 VD VIO 10 5 _RST 6 U202 SI4702 B16 2 FMIP 4 GND1 GND2 12 GND3 15 GPIO1 R211 39K FM_32K FM_SD...

Page 42: ...ister 00h and proceeds from there until continuous writes cease Data transfer ceases with the STOP command After every STOP Command The internal address counter is reset For read operations the device acknowledge is followed by an eight bit data word shifted out on falling SCLK edges An internal address counter automatically increments to allow continuous data byte reads starting with the upper by...

Page 43: ...c All right reserved Only for training and service purposes 4 1 RF Trouble 4 TROUBLE SHOOTING 44 4 TROUBLE SHOOTING U401 SW401 U103 X101 FL401 REFERENCE PART Description U401 PAM Power Amp Module ASM X101 DCXO 26MHz SW401 Mobile Switch FL401 RX SAW Filter ...

Page 44: ...rposes 4 TROUBLE SHOOTING 45 U401 SW401 U103 FL401 Antenna Contact Point Antenna Matching PAM Matching component component TEST POINT CIRCUIT ANT402 C407 2p 3 3nH L401 ANT401 L402 2 2nH C402 1 8p NA 39nH L403 C412 ANT G1 G2 RF SW401 RF500 Antenna Matching component PAM Matching component Antenna Contact Point Mobile SW ...

Page 45: ...nd service purposes 4 TROUBLE SHOOTING 46 CHECKING FLOW START Change PCB Check Mobile SW Download And Calibration Check Antenna PAD Intenna Contact Change Antenna OK NG OK Change SW401 NG NG Check Antenna Matching component Resolder component NG Check PAM Matching component Resolder component NG ...

Page 46: ...Only for training and service purposes 4 TROUBLE SHOOTING 47 RX Trouble START Check point DCXO X101 Setup Test Equipment Cell Power 74dBm GSM900 CH62 DCS CH690 Check point mobile SW SAW Filter SW410 FL401 Re Download S W CAL U401 SW401 U103 X101 FL401 TEST POINT CHECKING FLOW ...

Page 47: ... reserved Only for training and service purposes U401 SW401 U103 X101 FL401 TP1 TP1 Is the waveform of Pin3 similar to DCXO X101 Waveform Replace X101 Yes No DCXO Circuit is OK See next page to check PLL Circuit 2 GND1 GND2 4 1 HOT1 HOT2 3 NX3225SA X101 26MHz TEST POINT CIRCUIT Waveform TP1 TP2 Waveform CHECKING FLOW TP1 TP2 ...

Page 48: ...ining and service purposes U401 SW401 U103 FL401 TP1 TP2 TP3 TP4 TP5 TP6 Check TP1 TP2 of SW401 with RF Cable Signal is OK Replace Mobile SW SW40 Yes No Mobile SW ASM is OK See next page Yes Replace SAW Filter FL401 No Check TP3 4 and 5 6 of FL401 TEST POINT CHECKING FLOW X101 TP 3 4 and 5 6 outputs of FL401 are balanced ...

Page 49: ...for training and service purposes Check point DCXO X101 Setup Test Equipment Cell Power 74dBm GSM950 CH62 DCS CH690 Re Download S W RF CAL Check point ULC2 U103 Outp ut Signal Check point PAM U401 Control Signal TP1 2 3 Check ASM Mobile S W SAW SW400 FL401 U401 SW401 U103 X101 FL401 TP3 TP1 TP2 TEST POINT CHECKING FLOW ...

Page 50: ... 14 15 GND7 GND8 16 GND9 20 GSM_IN 50V J NP0 50V J NP0 50V J NP0 2012 16V K X7R 10V Z Y5V C405 33p 1K R405 39p C409 39p C406 C411 18p SKY77517 U401 C404 0 01u VBAT C408 39p 12p C403 C401 10u C410 39p VLOGIC DCS_PCS_OUT GSM_OUT BS TXON_PA TX_RAMP CIRCUIT H 2 7V H 2 7V VLOGIC TP1 H 2 7V L BS TP3 H 2 7V H 2 7V TXON_PA TP2 DCS1800 TX GSM900 TX Mode Signal configuration Check Control Signals TP1 2 3 Si...

Page 51: ...RX NC 18 21 PGND TX_EN 4 1 VBATT VLOGIC 2 3 VRAMP PCS_IN 19 6 PCS_RX 17 11 ANT 5 BS GND1 8 9 GND2 10 GND3 GND4 12 13 GND5 GND6 14 15 GND7 GND8 16 GND9 20 GSM_IN 1K R405 39p C409 39p C411 SKY77517 U401 C408 39p C410 39p VLOGIC BS TXON_PA TX_RAMP CIRCUIT Mode GSM900 TX DCS1800 TX GSM900 RX DCS1800 RX VLOGIC TP1 H 2 7V H 2 7V H 2 7V H 2 7V TXON_PA TP2 H 2 7V H 2 7V L L BS TP3 L H 2 7V L H 2 7V TP2 TP...

Page 52: ... is OK Replace Mobile SW SW401 Yes No Yes Mobile SW SAW filter is OK Check Antenna Check ULC2 U102 Control Signal is OK No Yes Check TP3 4 5 Yes SW401 TXON_PA Check FL401 FL401 Signal is OK Replace FL401 Yes No H 2 7V L BS TP5 L L TXON_PA TP4 H 2 7V H 2 7V VLOGIC TP3 DCS1800 RX GSM900 RX Mode Change the PCB Signal is OK Replace FL401 Yes No Yes TP5 TP3 TP4 TP1 TP2 TEST POINT CHECKING FLOW ...

Page 53: ...5 F15 VDD_LRTC K12 VDD_LSIM M11 VDD_MAIN1 G9 VDD_MAIN2 J7 G10 VDD_PLL VDD_RTC R6 R7 VDD_SIM H13 VBAT_1 VBAT_2 F12 H15 VBAT_3 VBAT_4 H14 F6 VDDP_IO L4 VDDP_MEM VDD_LANA K15 VDD_LBUF J13 G12 VDD_LD1 VDD_LIO J10 K10 VDD_LMEM D12 REXT IREF G13 AGND G14 2V8_VIO 2V8_VMEM 1u C118 C115 1u GND102 R106 22K 1V5_VRF0 220n C119 2V85_VSIM 2V85_VSIM 2 2u C105 2V8_VBUF 2V0_VRTC VBAT VD1 FB101 VD1 2V8_VIO 1u C111 ...

Page 54: ... START Check Battery Voltage 3 35V Push power on key And check the level change of PWRKEY Check the voltage of The LDO outputs at U103 THE PHONE WILL POWER ON Charge or Change Battery Check the contact of power key Or dome switch Replace U103 YES YES YES NO NO NO LDO VOLTAGE PART V_IO 2 8V TP3 V_BUF 2 8V TP1 V_MEM 2 8V TP2 V_ANA 2 5V TP6 V_SIM 2 85V TP4 VRF0 1 5V TP5 ...

Page 55: ...nd service purposes 4 TROUBLE SHOOTING 56 4 4 SIM Card Trouble R129 R130 C133 C134 C135 TP1 J101 TEST POINT CIRCUIT DIAGRAM SIM_CONNECTOR 0 1u C134 22p C133 2V85_VSIM 4 7K R129 R130 0 2V85_VSIM J101 3 CLK GND 4 7 GND1 GND2 8 6 I_O RST 2 VCC 1 5 VPP C135 22p 2V85_VSIM SIM_DATA SIM_CLK SIM_RST TP1 ...

Page 56: ...NG 57 START Does the SIM cards supports 2V or 3V NO Change the SIM Card Our phone supports only 2V or 3V SIM card YES Check TP1 NG OK TP1 2 85V Change board Check soldering status of J101 and Other component OK NG Resolder J101 or other component R129 R130 C133 C134 C135 OK Check Operation Change board Re download SW Checking Flow ...

Page 57: ...nly for training and service purposes 4 TROUBLE SHOOTING 58 4 5 Vibrator Trouble Q101 TP1 TP2 TP3 TEST POINT CIRCUIT DIAGRAM 1608 50V J NP0 VIBRATOR 100K R136 10 R134 R135 1K C136 27p Q101 2SC5585 KDS221E_RTK D101 A1_C2 3 A2 2 1 C1 VBAT 0 1u C137 1 2 CN103 VIBRATOR TP3 TP1 TP2 ...

Page 58: ...served Only for training and service purposes 4 TROUBLE SHOOTING 59 Check Voltage Level of TP1 TP2 OK NG OK Change PCB Enter the engineering mode and set vibrator on TP1 2 8V TP2 0 7V Check Voltage Level of TP3 TP3 0V Change Q101 NG Replace Vibrator START Checking Flow ...

Page 59: ...NG 60 4 6 Keypad Trouble TEST POINT CIRCUIT DIAGRAM 5 RIGHT 2 LEFT 8 SEL MENU KEY MATRIX END 9 4 0 UP 3 DOWN 6 SEND 7 1 SW305 2V0_VRTC SW304 SW317 SW307 SW302 SW306 SW308 SW318 SW316 SW303 SW315 SW312 SW319 SW320 SW313 SW301 SW309 SW311 SW310 SW314 KEY_IN3 KEY_OUT1 KEY_IN4 END_KEY KEY_IN0 KEY_IN1 KEY_IN2 KEY_OUT4 KEY_OUT3 KEY_OUT2 ...

Page 60: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 61 Change PCB Check Metal Doom NG Change Metal Doom START OK Checking Flow ...

Page 61: ...IO 0603 C131 18p B6 T_OUT2 A6 T_OUT3 T_OUT4 A5 B7 T_OUT8 SWITCH_ON N7 T_OUT0 A7 OSC32K P6 P5 RESET_N A3 RSTOUT_N SAFE_RES M7 F32K R5 CC00IO A4 B4 CLKOUT X102 MC 146_12_5PF 1 2 3 4 32 768KHz TP102 R124 0 C132 18p _RESET TP101 PWRON TXON_PA VLOGIC FM_32K BS FM_RST 1 W_LED_FBP J14 W_LED_FBN J12 G15 VREFP VDD_LRTC K12 H13 VBAT_1 VBAT_2 F12 H15 VBAT_3 VBAT_4 H14 IREF G13 AGND G14 R106 22K 220n C119 2V0...

Page 62: ... All right reserved Only for training and service purposes CHECKING FLOW RTC will work properly Is the frequency about 32Khz START Replace X102 and try again YES Check Voltage Level of TP1 2V YES Replace C116 C117 NO NO Check soldering status of C131 C132 Replace C131 C132 YES NO ...

Page 63: ...acklight Trouble 4 TROUBLE SHOOTING 64 Q301 TP1 TP2 LD301 LD306 R308 R313 TEST POINT CIRCUIT DIAGRAM KEY BACKLIGHT 56 R313 10K R315 Q301 KTC4075E R311 15 1u C322 LD302 LEBB S14E R314 1K VBAT C323 1u R308 10 LEBB S14E LD304 91 R309 LEBB S14E LD303 LD306 LEBB S14E LD301 LEBB S14E 39 R312 R310 91 LD305 LEBB S14E KEY_BACKLIGHT ...

Page 64: ...e purposes 4 TROUBLE SHOOTING 65 START Check Voltage Level Of TP1 NO Change PCB YES YES Check Voltage Level Of TP2 Check component R315 and Q301 Replace component NO NG Check LED component LD301 LD306 R308 R313 NO Replace component Change PCB YES 0V 2 8V step waveform 0V 0 7V step waveform Checking Flow ...

Page 65: ...OOTING 66 CN101 TP1 TP2 TP3 TP4 TP5 TEST POINT CIRCUIT DIAGRAM ENQY0013801 IMSA 9671S 13Y902 27p C122 47 R107 C126 NA R111 47 R110 47 C125 27p C124 NA EVL5M02200 VA102 NA R113 R112 47 2 3 4 5 6 7 8 9 CN101 14 15 1 10 11 12 13 C121 NA 2V8_VIO C123 27p VA101 EVLC5S0250 _LCD_CS SSC0_MTSR MLED1 MLED2 LCD_ID MLED LCD_RESET SSC0_CLK TP5 TP2 TP4 TP3 ...

Page 66: ...BLE SHOOTING 67 START Backlight is OK Change PCB YES NG Check Operation After LCD changes NO Check Control Signal and Power Including soldering status TP1 2 8V Control Signal Refer to next page NG Replace component Or change PCB Change PCB OK Check soldering status of CN101 OK Change LCD OK NG Replace CN101 Checking Flow ...

Page 67: ...ll right reserved Only for training and service purposes SSC0_MTSR pattern is out randomly when clock fluctuates clock frequency is 13MHz and LCD_RESET TP5 is High 2 8V Also LCD_CS is LOW 0V 4 TROUBLE SHOOTING 68 WAVEFORM SSC0_SLK TP3 LCD_CS TP2 SSC0_MTSR TP4 ...

Page 68: ...s 4 TROUBLE SHOOTING 69 4 10 Microphone Trouble TP2 Microphone component TP1 TEST POINT CIRCUIT DIAGRAM MAIN_MIC 2 2K R230 MIC201 OB4 15L42 C33L 1 2 1K R218 R227 100ohm 33nF C216 EVL5M02200 VA202 EVL5M02200 VA201 C226 C213 39p 100ohm R225 10u 2 2K R223 VMIC 39p C214 33nF C220 C219 39p C227 39p MIC_P MIC_N TP1 TP2 ...

Page 69: ...ng and service purposes 4 TROUBLE SHOOTING 70 Check U103 Check voltage level of TP1 Check component status around MIC Re solder or replace the Component Check status of MIC Re solder or replace Microphone YES NO OK OK NG NG Replace U103 or Replace PCB TP1 VMIC 2 5V Make a call Checking Flow ...

Page 70: ...ght reserved Only for training and service purposes 4 TROUBLE SHOOTING 71 4 11 Receiver Trouble R221 R229 L202 L201 TP1 TP2 TEST POINT CIRCUIT DIAGRAM R229 4 7 L201 22nH 15p C217 C223 15p NA C224 R_S_P 22nH L202 R_S_N NA C222 R221 4 7 15p C221 REC_N REC_P TP1 TP2 ...

Page 71: ...OTING 72 Check TP1 TP2 Check component status Re solder or replace the Component Check the Contact Of Receiver Re Assemble or Re place Receiver YES NG OK OK NG NG L201 L202 bias will Fluctiate signal above 1 2V Check L201 L202 R221 R229 Re solder or replace the Component YES Make a call Replace U103 or Replace PCB Checking Flow ...

Page 72: ...1608 10V SPEAKER RECEIVER 10K R224 120K R228 R229 4 7 L201 22nH 15p C217 C223 15p NA C224 R220 10K 470n IN A3 VDD VO B3 VO A1 B1 _SHUTDOWN C210 TPA6205A1ZQVR U204 BYPASS C1 GND B2 C2 IN C3 R_S_P 22nH L202 220n VBAT C225 R_S_N 10K R222 NA C222 C212 470n 120K R219 C211 2 2u R221 4 7 15p C221 470n C215 100K R226 SPK_P REC_N RADIO_SPK_L SPK_AMP_EN REC_P SPK_N AUDIO AMP U204 TP1 TP2 TP3 TP4 TP5 TP6 L20...

Page 73: ...ses Checking Flow Turn on the sound Check the voltage level of TP1 Vbat No Check The battery Yes Check the Signal TP2 TP3 Yes No Check U103 Check the Level of TP4 High No Check U103 Check the Contact Of Speaker Yes No Re Assemble or Re place Speaker Try again or Change the Board Yes Re solder L201 L202 Check the Signal TP5 TP6 Yes No ...

Page 74: ...304 100K 2V8_VIO 2V8_VIO C316 18p L301 270nH VBAT C314 1u C313 56p R301 1 5K 2V8_VIO 2V8_VIO R302 2 2K VCHARGE C309 10u FB304 NA R303 FB307 FB309 FB308 39p C310 FB306 C315 4 7u C311 39p VBAT C304 0 1u VMIC 21 22 3 4 5 6 7 8 9 GU041 18P E1000 1 10 11 12 13 14 15 16 17 18 19 2 20 CN301 10u FM_ANT DSR C303 AUXOP_FML RXD TXD AUXOP_FMR RPWRON HS_MIC_P HS_DET HS_MIC_N FB302 FB301 C308 C309 CN301 FB303 U...

Page 75: ... CN301 Check the signal Level at HS_MIC Is it about 1 2 1 5V DC with a few tens mV AC Replace U103 or Change another Ear Mic set and Try again Acoustic Does waveform at TP6 and TP7 CN301 4 5 fluctuate Re solder causal component CN301 C308 etc Change another Ear Mic set and Try again Yes Yes Yes Yes No No No No Does waveform at TP4 and TP5 fluctuate No Check voltage level of TP2 Check U103 No Check...

Page 76: ...urrent Path component voltage drop Battery voltage Charging IC TEST POINT CIRCUIT 1 85mA 25V K Y5V 2012 1 400mA 1608 C129 2 2u 620 R123 47 R121 R119 470K VCHARGE 3 9K R128 4 7u C128 VBAT U102 MP26021 10 BATT 6 GND IBF 8 1 IN 9 ISET 5 NTC PGND 11 SS 7 3 _ACOK _CHG 2 _EN 4 1 8K R120 R125 100K 20K R127 R126 100K 0 1u C130 CHG_EN CHARGE_DETECT Charger IC U102 CN301 VCHARGE 4 8 6 4V VBAT TP1 TP2 TP3 TP...

Page 77: ...s The Voltage of TP1 AND TP2 Between 4 8 and 6 4V The Voltage of TP3 AND TP4 Is over 2 5V YES YES YES Check the voltage of TP5 High or Low YES Battery is charged YES Charging is properly operating NO NO LOW NO NO Resolder the CN301 Pin 12 13 VCHARGE The TA is out of order Change the TA Replace the U102 Check the U103 The battery may have problems Change the battery Checking Flow ...

Page 78: ...Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 79 4 15 FM Radio Trouble FM Radio Block FM Radio Block FM Radio Antenna Matching TP2 TP1 TP3 TP4 TP5 TP6 TP7 CN301 TP8 U202 TP9 TP10 U203 TEST POINT ...

Page 79: ..._VBUF 0 R204 RADIO_AMP_SHDN R206 20K 100K R210 FM_INT R215 4 7K 0 R208 1u C202 1u C203 _SEN R213 27K 19 18 GPIO2 GPIO3 17 14 LOUT NC1 1 20 NC2 PGND 21 9 RCLK 3 RFGND 13 ROUT SCLK 7 SDIO 8 16 VA 11 VD VIO 10 5 _RST 6 U202 SI4702 B16 2 FMIP 4 GND1 GND2 12 GND3 15 GPIO1 0 1u C201 R211 39K RADIO_DETECT HS_REC HEADSET_RADIO_SEL AUXOP_FMR AUXOP_FML HS_REC RADIO_SPK_R RADIO_SPK_L FM_32K FM_SDA FM_SCL RAD...

Page 80: ...n is good A condition is good Replace Board Replace U202 Yes No FM_Radio Working is good No Yes A condition is good No Yes Check a condition of CLK TP8 32k Check a condition of Power supply points TP1 2 3 Reasonable range 3 1V TP1 2 3 9 2 7V Check a condition of FM tuner Matching components TP4 5 6 7 Check a condition of Ear_jack_connector soldering CN301 Finish Check a condition of TP10 U203 sold...

Page 81: ...ernal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 82 5 DOWNLOAD 5 1 Download Setup Configure system like figure 5 1 Figure 5 1 Download Setup ...

Page 82: ...DOWNLOAD 83 5 2 Download Process 5 2 1 Download step 1 Start or Stop download Selected configuration DLL file File name donwloading File F Exit X End program Setting S Configuration configuration download condition DLL SW files and etc About H MultiGSM Provide version information First select Setting Menu KP105 Ⓐ Ⓑ Ⓒ ...

Page 83: ...AD 5 2 2 Download step 2 Select a appropriated DLL file You must select KP105_xxxxxx DLL file Select configuration file You must select cmd m0 file Select download speed You must 460800 System supports maximum 460800bps Select port select start and end port be operated C GSMULTI Models INFINEON KP105 KP105_07xxxx dll Ⓐ Ⓑ Ⓓ Ⓒ ...

Page 84: ...ics Inc All right reserved Only for training and service purposes 85 5 DOWNLOAD 5 2 3 Download step 3 Select files downloaded KP105 have 4 files eep fls dffs and cust But You must not select eep file C GSMULTI Models INFINEON KP105 KP105_07xxxx dll Ⓐ ...

Page 85: ...es 86 5 DOWNLOAD 5 2 4 Download step 4 Start download and stop download next step If configuration is finished then push start button and then button is changed to STOP Turn on power of multi download and connector phones If download is started then push start button else program will download repeatedly Ⓐ KP105 ...

Page 86: ...opyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 87 5 DOWNLOAD 5 2 5 Download step 5 This region appears donwload status If download is finished PASS or FAIL message is showed Ⓐ KP105 ...

Page 87: ...rvice purposes 1 0 9 8 7 6 5 4 3 2 E GOLDvoice µC C166 26MHz TEAKlite 78MHz Internal SRAM 1 75Mbit Integr PMU Direct to Battery 10LDO Charging White LED B W Display SIM Card 6x4 and 5x5 Speaker Receiver I2C SSC Direct SIM Interface RTC Flash Connectors Earphone TX module PA ASM Charger Battery LiIon NiMH Vibrator Backlight RAM SAW Mic ...

Page 88: ... B4 CLKOUT CS J9 CS0_N P4 K3 CS1_N M5 CS3_N G8 CTS_N D0 R4 D1 P1 F3 A18 A19 D1 A2 F4 A20 H1 A21 E1 A22 G1 A3 E4 A4 D4 G4 A5 D2 A6 H4 A7 A8 C1 A9 F1 M6 ADV_N AGND G14 BACK_LIGHT B3 C2 A0 D5 A1 F2 A10 G2 A11 H2 A12 J3 A13 A14 H3 A15 J4 K4 A16 A17 L3 R135 1K U103 PMB7880 C136 27p _WR R111 47 BHE_N 3 9K R128 2V8_VIO 1V5_VRF0 R110 47 Q101 2SC5585 2V8_VMEM 1u C118 X102 MC 146_12_5PF 1 2 3 4 VRF1 32 768K...

Page 89: ...0ohm R225 2V8_VIO 10u 220n VBAT 2V8_VBUF C225 R_S_N 2V8_VBUF 10K R222 2V8_VBUF DNI 2 2K R223 20K R207 R205 VMIC 39K R201 39p C214 330K R203 4 7K R216 33nF C220 100p C204 NA C222 2V8_VBUF 0 R204 RADIO_AMP_SHDN C219 39p C212 470n R206 20K 120K R219 C211 2 2u R221 4 7 100K R210 15p C227 C221 FM_INT 39p R215 4 7K 0 R208 1u C202 1u C203 _SEN R213 27K 19 18 GPIO2 GPIO3 17 14 LOUT NC1 1 20 NC2 PGND 21 9 ...

Page 90: ...BB S14E R314 1K VBAT SW316 C314 1u C313 56p C318 10p C323 1u R308 10 R301 1 5K 2V8_VIO LEBB S14E LD304 91 R309 2V8_VIO LEBB S14E LD303 R302 2 2K VCHARGE SW303 C309 10u FB304 NA R303 LD306 LEBB S14E SW315 LD301 LEBB S14E FB305 1800 FB307 FB309 FB308 39p C310 FB306 39 R312 C315 4 7u C311 39p R310 91 SW312 SW319 SW320 SW313 VBAT SW301 SW309 SW311 C304 0 1u VMIC LD305 LEBB S14E 21 22 3 4 5 6 7 8 9 GU0...

Page 91: ...1_1 I2 4 I1 1 10 G4 5 G3 3 G2 2 G1 18p B9308 FL401 O2_2 2012 27K 16V K X7R 6 A 5 A 850 BAND_DETECT 3 4 10V Z Y5V C CHANGE THIS DUAL SAW FILTER D 6 2 E 8 10 1 C405 33p ANT402 5 1nH L405 C407 1K 1p R405 39p C409 4 7nH L401 39p C406 C411 C414 3p 3p C416 ANT401 3 3nH C404 0 01u L404 18nH VBAT C408 39p C402 1p 12p C403 R406 NA 3p C413 1p 39nH L403 C412 C401 ANT G1 G2 RF 10u C415 SW401 RF500 3p C410 39p...

Page 92: ...tom View 8 BGA IC PIN Check LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R P N M L K J H G F E D C B A Use Not Use U103 Main chip PMB7880 EUSY0317401 ...

Page 93: ...right 2008 LG Electronics Inc All right reserved Only for training and service purposes 94 8 BGA IC PIN Check 1 2 3 4 5 6 7 8 A B C D E F G H Use Not Use U104 Memory S71GL032N40BFW0P EUSY0328002 BGA pin Check of Memory Top View ...

Page 95: ...ce etc U101 Charge Pump NO Display CN101 LCD Connector NO Display Q301 KEY LED Tr NO KEYPAD LED J101 SIM Connector NO SIM CN103 Vibrator PAD NO Vibrator U204 Speaker AMP NO Sound speaker U201 Headset A S NO FM Sound Headset or Speaker U104 Memory NO Booting X102 32 768KHz Crystal NO Booting U202 FM tuner NO FM radio U203 FM Speaker AMP NO Sound Headset or Speaker Q101 Vibrator Tr No Vibrator U102 ...

Page 96: ...gineer to view and test the basic functions provided by a handset 10 2 Access Codes The key sequence for switching the engineering mode on is 2945 Pressing END will switch back to non engineering mode operation 10 3 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 10 4 Engineering Mode Menu Tre...

Page 97: ...8 10 ENGINEERING MODE FM Radio function is not supported BB TEST 1 Backlight 2 LCD 3 Battery Info 4 Vibrator 5 Audio 6 FM Radio 1 Backlight On 2 Backlight Off 3 Backlight Value 1 LCD Color 2 Contrast 1 Red 2 Green 3 Blue 4 Black 5 White 6 Auto LCD 1 Vibrator On 2 Vibrator Off 1 Audio Test 2 Close 7 CS user tendency ...

Page 98: ...tomatic color change 5 color menu is Red Green Blue Black and White LCD contrast This menu displays a contrast value and LCD maker 10 4 1 3 Battery Info This menu displays the information of battery as example battery voltage level and temperature In line 2 battery voltage level is displayed with average and instant value In line 3 battery temperature value is displayed but this value is ADC value...

Page 99: ... Electronics Inc All right reserved Only for training and service purposes 100 10 ENGINEERING MODE 10 4 2 Model Version This menu displays the Model software version Eng Mode 1 Serving Cell 2 Neighbour Cells 3 Reset Information Model Version ...

Page 100: ... Cell RxQs Sub RX qual of Serving Cell DSC Downlink Signal Counter RLL Radio Link Loss Counter Chtyp Channel type of Serving Cell Chmod Channel Mode of Serving Cell DTX Discontinuous Transmission mode of Serving Cell MCC Mobile Country Code of Serving Cell MNC Mobile Country Code of Serving Cell LAC Location Area Code of Serving Cell CID Cell ID of Serving Cell BSIC Base Tranceiver Station Identit...

Page 101: ...Value of Neighbour Cell This value will be used to decide cell reselection MCC Mobile Country Code of Neighbour Cell MNC Mobile Network Code of Neighbour Cell LAC Location Area Code of Neighbour Cell CID Cell ID of Neighbour Cell BSIC Base Tranceiver Station Identity Code of Neighbour Cell 10 4 3 3 Reset Information This menu displays the information of reset point in source code call stack LGE In...

Page 102: ...ng the received calls 10 4 5 Factory Reset This menu is to format data block in the flash memory and this procedure set up the default value in data block LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Call Timer Factory Reset ...

Page 103: ...tion is not supported LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes MF TEST 1 All auto Test 2 Backlight 3 Audio 4 Vibrator 5 LCD 6 Key Pad 7 Mic Speaker 8 FM radio ...

Page 104: ...s menu is to test the volume of Melody It rings in the following sequence Volume 1 Volume 2 Volume 3 Volume 0 mute Volume 4 Volume 5 10 4 6 4 Vibrator Vibrator is on for about 1 5 seconds 10 4 6 5 LCD Main LCD screen resolution tests horizontally and vertically one by one and fills the screen 10 4 6 6 Key Pad When a pop up message shows Press Any Key you may press any keys If the key is working pr...

Page 105: ...t 2008 LG Electronics Inc All right reserved Only for training and service purposes 106 11 CALIBRATION 11 1 Test Equipment Setup 11 2 Calibration Steps 11 2 1 Tune on the phone 11 2 2 Execute HK_28 exe 11 CALIBRATION 4 000V 0 0000A ...

Page 106: ... Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 107 11 CALIBRATION 11 2 3 Click SETTING Memu 11 2 4 Setup Ezlooks menu such as the following fugure KP105 KP105 ...

Page 107: ...rposes 11 CALIBRATION 108 11 2 5 Setup Line System menu such as the following fugure 11 2 6 Setup Logic operation such as the following figure Adjust the number of times KP105 PWR Power Supply CELL Call Test Equipment Operation Mode 1 By Pass not control by GPIB 2 Normal control by GPIB Setup UART Port KP105 ...

Page 108: ...BRATION 11 2 7 Select MODEL 11 2 8 Click START for RF calibration 11 2 9 RF Calibration finish LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes KP105 ...

Page 109: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 11 CALIBRATION 110 11 2 10 Calibration data will be saved to the following folder KP105 KP105 ...

Page 110: ...ing and service purposes 111 12 STAND ALONE TEST 12 1 Test Program Setting 12 1 1 Set COM Port 12 1 2 Check PC Baud rate 115200 12 1 3 Confirm EEPROM Delta file prefix name 12 1 4 Click V24AT ON and then Update Info for communicating Phone and Test Program 12 STAND ALONE TEST Not Connected ...

Page 111: ... for training and service purposes 112 12 STAND ALONE TEST 12 1 5 For the purpose of the Standalone Test Change the Phone to ptest mode and then Click the Reset bar 12 1 6 Select Non signaling in the Quick Bar menu Then Standalone Test setup is finished Connected Change ptest mode ...

Page 112: ...poses 113 12 STAND ALONE TEST 12 2 Tx Test 12 2 1 Click Non signaling mode bar and then confirm OK test in the command line 12 2 2 Put the number of TX Channel in the ARFCN 12 2 3 Select TX in the RF mode menu and PCL in the PA Level menu 12 2 4 Finally Click Write All bar and try the efficiency test of Phone ...

Page 113: ...umber of RX Channel in the ARFCN 12 3 2 Select RX in the RF mode menu 12 3 3 Finally Click Write All bar and try the efficiency test of Phone LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 114: ...19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24 23 21 20 15 19 18 16 17 22 MCJK0077301 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 116: ...00 PAD MPBZ0200701 SINTERING empty Without Color 6 4 MTAB00 TAPE PROTECTION MTAB0193501 SINTERING empty Without Color 1 4 MTAD00 TAPE WINDOW MTAD0075001 SINTERING empty Without Color 3 4 MWAC00 WINDOW LCD MWAC0085101 CUTTING PMMA MR 200 Without Color A 2 3 ACGM00 COVER ASSY REAR ACGM0101601 Black Blue E 4 ENZY00 CONNECTOR ETC ENZY0019901 3 PIN 3 mm STRAIGHT 16 4 MCCC00 CAP EARPHONE JACK MCCC004860...

Page 117: ...T PART LIST 118 Level Location No Description Part Number Spec Color Remark 5 ADCA00 DOME ASSY METAL ADCA0071801 Without Color 13 5 MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color 6 SC101 CAN ASSY SHIELD ACKA0004001 Silver 7 MCBA00 CAN SHIELD MCBA0025001 PRESS Ni Without Color 7 MFEA00 FRAME SHIELD MFEA0018101 PRESS Ni Without Color ...

Page 118: ...158612 5 SAFC00 PCB ASSY MAIN SMT BOTTOM SAFC0101601 6 C101 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C102 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C104 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C105 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C106 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C110 CAP CERAMIC CHIP ...

Page 119: ...R TP 6 C135 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C136 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C137 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C138 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C139 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C141 CAP CHIP MAKER ECZH0001106 4700 pF 25V K X7R HD 1005 R TP 6 C142 CA...

Page 120: ...6 220 nF 10V K X5R TC 1005 R TP 6 C226 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C227 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C301 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C303 CAP CERAMIC CHIP ECCH0006501 10000000 pF 6 3V K X5R TC 2012 R TP empty empty empty empty empty empty 1 25 mm 6 C304 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005...

Page 121: ...0V J NP0 TC 1005 R TP 6 C410 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C411 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C413 CAP CERAMIC CHIP ECCH0000104 3 pF 50V C NP0 TC 1005 R TP 6 C414 CAP CERAMIC CHIP ECCH0000104 3 pF 50V C NP0 TC 1005 R TP 6 C415 CAP CERAMIC CHIP ECCH0000104 3 pF 50V C NP0 TC 1005 R TP 6 C416 CAP CERAMIC CHIP ECCH0000104 3 pF 50V C NP0 TC 10...

Page 122: ...CH0001032 18 nH J 1005 R TP PBFREE 6 L405 INDUCTOR CHIP ELCH0003814 5 1 nH S 1005 R TP 5 1nH 1005 6 Q101 TR BJT NPN EQBN0007101 EMT3 0 15 W R TP LOW FREQUENCY 6 Q301 TR BJT NPN EQBN0007601 SOT 23 0 15 W R TP EMT3 6 R101 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R104 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R106 RES CHIP MAKER ERHZ0000244 22 Kohm 1 16W F 1005 R TP 6 R10...

Page 123: ...6 R203 RES CHIP MAKER ERHZ0000467 330 Kohm 1 16W J 1005 R TP 6 R206 RES CHIP MAKER ERHZ0000438 20 Kohm 1 16W J 1005 R TP 6 R207 RES CHIP MAKER ERHZ0000438 20 Kohm 1 16W J 1005 R TP 6 R209 RES CHIP MAKER ERHZ0000450 240 Kohm 1 16W J 1005 R TP 6 R210 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R211 RES CHIP MAKER ERHZ0000476 39 Kohm 1 16W J 1005 R TP 6 R212 RES CHIP MAKER ERHZ0000406 100...

Page 124: ...DLH0004501 BLUE 1608 R TP 6 LD304 DIODE LED CHIP EDLH0004501 BLUE 1608 R TP 6 LD305 DIODE LED CHIP EDLH0004501 BLUE 1608 R TP 6 LD306 DIODE LED CHIP EDLH0004501 BLUE 1608 R TP 6 R308 RES CHIP MAKER ERHZ0000402 10 ohm 1 16W J 1005 R TP 6 R309 RES CHIP MAKER ERHZ0000517 91 ohm 1 16W J 1005 R TP 6 R310 RES CHIP MAKER ERHZ0000517 91 ohm 1 16W J 1005 R TP 6 R311 RES CHIP MAKER ERHZ0000419 15 ohm 1 16W ...

Page 125: ...B 10KHZ 450HZ empty BLACK EARPHONE HOUSING SILVER 18P MMI CONNECTOR LOW COST STEREO 18P 5P 3 SSAD00 ADAPTOR AC DC SSAD0028201 100 240V 5060 Hz 5 6 V 4 A CE AC DC Adaptor 85Vac 264Vac 5 6V 0 8V 400mA 5060 WALL 2P I O CONNECTOR ADAPTOR AC DC SSAD0028202 100 240V 5060 Hz 5 6 V 0 4 A CE AC DC Adaptor 85Vac 264Vac 5 6V 0 8V 400mA 5060 WALL 2P I O CONNECTOR ADAPTOR AC DC SSAD0028203 100 240V 5060 Hz 5 6...

Page 126: ...Note ...

Page 127: ...Note ...

Search results

Summary of Contents for KP105

Reviews:

Related manuals for KP105

Brands by name

Popular brands

LG KP105, Service Manual

Search results

Summary of Contents for KP105

Reviews:

Related manuals for KP105

Brands by name

Popular brands