LG KG300 Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Cell Phone
  5. KG300
  6. Service manual
LG KG300 Service Manual

LG KG300 Service Manual

Hide thumbs Also See for KG300:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
KG300 cover(4)_1109
2006.11.10 3:19 PM
˘
` 1
Service Manual
KG300
Date: November, 2006 / Issue 1.0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the KG300 and is the answer not in the manual?

Questions and answers

Related Manuals for LG KG300

Summary of Contents for LG KG300

  • Page 1 KG300 cover(4)_1109 2006.11.10 3:19 PM ˘ Service Manual KG300 Date: November, 2006 / Issue 1.0...

  • Page 2: Table Of Contents

    Contents 1. Introduction and Specification ..........5 2. Software Download Procedure..........11 3. Assembly and Disassembly ...........18 4. Troubleshooting...............24 5. CIRCUIT DIAGRAMS..............63 6. PCB LAYOUT................77 7. EXPLODED VIEW & REPLACEMENT PART LIST....79 - 3 -...
  • Page 3 - 4 -...

  • Page 4: Introduction And Specification

    Antenna Type Internal( tri-Band) Main Display 2.0" QVGA GPRS Yes, Class 10 Yes, 1.1 Camera 2M(MT9D011) Battery 800 mAh (LG) Audio player Video recoding with playback (QCIF) and preview(QVGA) FM Receiver MPEG4/H.263 H.264 No(no support) AAC+ FM as alarm Scheduled FM recording...
  • Page 5 1. INTRODUCTION Yes, CSR BC3 ROM (6 basic profile: HS, Bluetooth HF, Dail up, SPP(OPP), FTP) Yes, slave 1.1 IrDA Yes, 2.0 Java EMAIL Status LED with one color No, OMA 1.0 Dictionary MPEG4 caller ID Finger handwriting Touch Panel AB repeat Music Equalizer Image Editing...
  • Page 6 1. INTRODUCTION 1.2 PERFORMANCE PRODUCT SPECIFICATION NAME SPECIFICATION EGSM900 Band TX: 890+n*0.2 MHz RX: 935+n*0.2 MHz (n= 0~124) TX: 890+(n-1024)*0.2 MHz RX: 935+(n-1024)*0.2 MHz (n= 975~1023) Frequency Band DCS1800 Band TX: 1710+(n-512)*0.2 MHz RX: 1805+(n-512)*0.2 MHz (n= 512~885) PCS1900 Band TX: 1850.2+(n-512)*0.2 MHz RX: 1930.2+(n-512)*0.2 MHz (n= 512~810) RMS <...
  • Page 7 1. INTRODUCTION Transmit Power EGSM900 Control Level Power Level Tolerance 5(high) 33 dBm 31 dBm 29 dBm 27 dBm 25 dBm 23 dBm 21 dBm 19 dBm 17 dBm 15 dBm 13 dBm 11 dBm 9 dBm 7 dBm 19(low) 5 dBm DCS1800/PCS1900 Control Level...
  • Page 8 1. INTRODUCTION Item Description Specification EGSM900 OFFSET from Carrier (KHz) Max. (dBm) +0.5 600~ < 1,200 1,200~ < 1,800 1,800~ < 3,000 3,000~ < 6,000 Spectrum due to modulation ≥ 6,000 DCS1800/PCS1900 OFFSET from Carrier (KHz) Max. (dBm) +0.5 600~ < 1,200 1,200~ <...
  • Page 9 1. INTRODUCTION Item Description Specification DCS1800/PCS1900 OFFSET from Carrier (KHz) Max. (dBm) Spectrum due to switching transient 1,200 1,800 EGSM900 BER (Class II) < 2% @ -105dBm Bit Error Rate DCS/PCS BER (Class II) < 2% @ -103dBm SLR(Sending Loudness Ratio) 8 +/- 3 dB Frequency (Hz) Max.(dB)

  • Page 10: Software Download Procedure

    2. Software Download Procedure 2. Software Download Procedure Tools 1. Download Cable 2. PC 3. Battery (3.8 V Li-ion Battery) How to user Leo download tool 2.1 Install Leo Download tool ➜ Choose I accept the terms in the license agreement ➜...
  • Page 11 2. Software Download Procedure ➜ Select default folder ➜ Press Install - 12 -...
  • Page 12 2. Software Download Procedure ➜ Press Finish ➜ Enable Leo Download tool - 13 -...
  • Page 13 2. Software Download Procedure 2.2 Connect Download cable with computer and mobile 2.3 Install SW ➜ Select COM port (Maybe it will show different COM because of we use different computer) - 14 -...
  • Page 14 2. Software Download Procedure ➜ Press Setting and then you will see Multiport Data folder. Change it to the folder which you store the SW. ➜ Select the. Pcs file and press open. After few seconds, you will see below screen. - 15 -...
  • Page 15 2. Software Download Procedure ➜ Press Yes ➜ After you see the pink cycle, long press power on key and then you will see below picture. - 16 -...
  • Page 16 2. Software Download Procedure ➜ After reach to 100%, SW downloads finish. 2.4 Check Software version 2.4.1 Install battery and power on phone. 2.4.2 Press 8 7 8 ( SIM card not installed ) or ✻ # 8 7 8 # ( SIM card installed ) to enter service mode. 2.4.3 Select 3.

  • Page 17: Assembly And Disassembly

    3. Assembly and Disassembly 3. Assembly and Disassembly Tools * Torque screwdriver, no.6 set * Pair of tweezers * Guitar Pick 3.1 Disassembly i. Take off battery cover - 18 -...
  • Page 18 3. Assembly and Disassembly ii. Release 4 screws from B-Cover. iii. Use the Guitar Pick to take off A-Cover iv. Remove the Receiver and Key Pad from A-Cover - 19 -...
  • Page 19 3. Assembly and Disassembly Receiver Keypad v. Take off the Main Board from B-Cover - 20 -...
  • Page 20 3. Assembly and Disassembly vi. Take off the Loud Speaker, Vibrator, side keys, BATT connect and from B-Cover. Loud SPK Side Keypad Vibrate BATT connect - 21 -...
  • Page 21 3. Assembly and Disassembly vii. Take off the LCM from Main Board 1. Release the hook of LCM cover from back side. 2. Release the LCM connect from Main Board 3. Take off LCM from LCM place. - 22 -...
  • Page 22 3. Assembly and Disassembly viii. Take off the LCM from Main Board 3.2 Assembly Please do the reverse steps of disassembly for assembly phone. - 23 -...

  • Page 23: Troubleshooting

    4. Troubleshooting 4. Troubleshooting Explanations The Go / No Go test has to be performed with a mounted phone. Service function in the software The service menu will be accessed with the following key combination. ✻ # 8 7 8 # (SIM card in side) or 8 7 8 (No SIM card in side) In the software of the phone there is a built in service functionality that allows you to test some of the functions of the phone.
  • Page 24 4. Troubleshooting Network Problems Make a general visual inspection for corrosion or oxidation from liquid damage. Check that the antenna connects is properly fitted and undamaged (Fig.1.1). Replace the antenna if necessary. Check that the antenna Flex Film (Fig 1.2) is not mechanical damaged, dirty or oxidized. Replace it if necessary.
  • Page 25 4. Troubleshooting Audio problems Receiver Turn on the phone. Go to service test menu; choose “12. Receiver” presses any key to check that the Receiver is working properly. Check Receiver and receiver cconnector (Fig 3.1) Fig.3.1 Microphone 1. Turn on the phone. Go to service test menu; choose “5. Echo Loop” (An audio loop is activated) check that the Microphone is working properly.
  • Page 26 4. Troubleshooting Display/Illumination problems Make a general visual inspection for corrosion or oxidation from liquid damage. Turn the phone on. Check the LCD and the illumination. The illumination is lightened when the phone starts and will continue for approximately 20 sec Turn the phone on.
  • Page 27 4. Troubleshooting Capacity/Charging Problems Make a general visual inspection for corrosion or oxidation from liquid damage. Charging Insert a working battery and connect a working charger to the phone. If the battery voltage is too low, you must charge the battery without turning on the phone (this will usually take less than 10 minutes) and when the battery voltage is high enough the phone will be able to turn on and show charging in the Display.
  • Page 28 4. Troubleshooting Key Function Problems Make a general visual inspection for corrosion or oxidation from liquid damage . Turn the phone on. Go to service test menu; choose “6.Keypad”. Press all the buttons. The pressed key will be shown in the Main display. Check that the mechanical response feels normal and that all the keys had been shown in the Main display.

  • Page 29: Other Problems

    4. Troubleshooting Other Problems Make a general visual inspection for corrosion or oxidation from liquid damage according to point. Turn on the phone. Go to service test menu; choose “16. RTC” press any key to check that the RTC is working properly. Check that the clock is working and that it does not start up with 00:00 when a battery is mounted.
  • Page 30 4. Troubleshooting Power On/Off & Hang Problem Start Go to step 2 Re-Download SW Replace the U400 Check the voltage of TP401, U400 pin 32=3.8V? Check the voltage of the following pins at U400 VCORE_C407=1.8V? Replace the U400 VDD_C408=2.7V? AVDD_C409=2.8V? VMEM_C411=2.7V? VBAT_C405= 3.8V? Change X100...
  • Page 31 4. Troubleshooting C405 D400 C407 U400 C409 C412 C408 C411 VBAT TP401 TP401 D400 D400 TP60MIL TP60MIL R401 R401 RB520S-30TE61 RB520S-30TE61 TP-1.5 TP-1.5 100K 100K U400 U400 SC79 SC79 R0402 R0402 KCOL6 PWRKEY BBWAKEUP PWRBB P1,6 VCXOEN SRCLKEN PWRKEY VmSEL VaSEL BATDET BATUSE...
  • Page 32 4. Troubleshooting KG300 Charging Problem Start Change other BATT or Charger Check BATT and Charger Change I/O 300 or F400 Check I/O 300 and F400 Using the Charger and Check Replace the R413 R413=3.1V? Check U401 and using the charge Pin 1,2,5,6=3.4V?
  • Page 33 4. Troubleshooting F400 F400 FUSE(1A_0603) FUSE(1A_0603) C0603 C0603 VCHG TP401 TP401 D400 D400 TP60MIL TP60MIL R401 R401 R400 R400 RB520S-30TE61 RB520S-30TE61 TP-1.5 TP-1.5 100K 100K U400 U400 100K 100K SC79 SC79 R0402 R0402 R0402 R0402 KCOL6 PWRKEY ADC3_VCHG P1 BBWAKEUP PWRBB P1,6 VCXOEN...
  • Page 34 4. Troubleshooting KG300 Clock Problem Start Check U603_26MHZ Change U603 or X100 Check X100_32.768HZ Change C642 & R615 Check C642 & R615 Change U602 Check U602 Check R637 Replace R637 Check U100 Change U100 Fixed this issue - 35 -...
  • Page 35 4. Troubleshooting U602 X100 U603 U100 U602 (MT6129) U100 (MT6226) R103 R103 26KHz System Clock R0402 R0402 GPIO8_SCL R104 R104 R0402 R0402 26Mz REFOUT GPIO9_SDA C637 C637 U100A U100A VCCVCXO C640 C640 220P 220P C0402 C0402 XTAL C0603 C0603 C655 C655 GPIO1_OP1_EN GPIO1/DICK...
  • Page 36 4. Troubleshooting Camera Problem Start change Camera and J201 Check Camera and J201 Check C222=1.8V? C223=2.8V? Replace C222 and C223 Or check U400 Check TP201, TP202, TP205 Replace R223, R224 Camera will work properly C223 C222 TP205 TP202 J201 TP201 - 37 -...
  • Page 37 4. Troubleshooting TP205 TP205 TP20MIL TP20MIL TP20MIL TP20MIL Camera CMOS TP204 TP204 connector TP20MIL TP20MIL TP20MIL TP20MIL TP206 TP206 TP20MIL TP20MIL TP20MIL TP20MIL R201 R201 TP207 TP207 TP20MIL TP20MIL TP20MIL TP20MIL R0402 R0402 TP208 TP208 CMRST J201 J201 TP20MIL TP20MIL TP20MIL TP20MIL TP209...
  • Page 38 4. Troubleshooting Audio Problem [Receiver problem] Start Check LS201 pad Clean LS201 pad Change Receiver Check the Receiver Check the C228, C229, C230 Change C228, C229, C230, if those short Receiver will work properly - 39 -...
  • Page 39 4. Troubleshooting C228, C229, C230, LS201 AAC reciver : Receiver SDRP0615FJ01-F1-G B206 B206 Receiver connector MMZ1005S102C MMZ1005S102C ReceiverN LS201 LS201 RECN0 R0402 R0402 TP35MIL TP35MIL ReceiverP C228 C228 SDRP0615F-J04-F1-G SDRP0615F-J04-F1-G 100P 100P C0402 C0402 B207 B207 MMZ1005S102C MMZ1005S102C ESD209 ESD209 ESD210 ESD210 RECP0...
  • Page 40 4. Troubleshooting Audio Problem [MIC problem] Start Check R203, R206 Change R203, R206 Check the C200, C208, C205 Change C200, C208, C205 Change MIC Check the MIC_U201 MIC will work properly - 41 -...
  • Page 41 4. Troubleshooting C200, C208, C205 R206 R203 MICBIASP MicroPhone SMT Microphone R206 R206 B200 B200 MMZ1608S102C MMZ1608S102C U201 U201 R0402 R0402 C200 100N C200 100N MICIN+ MICP0 L0603 L0603 C0402 C0402 C212 C212 IN/C C205 C205 100P 100P C0402 C0402 R202 R202 SPM0204HE5...
  • Page 42 4. Troubleshooting Audio Problem [Louder SPK problem] Start Change LS203 or SPK Check LS203 and SPK Check B213, B212 Change B212, B213 Check R212, R217 Change C228, C229, C230 Change U200 Check U200 Louder SPK will work properly - 43 -...
  • Page 43 4. Troubleshooting Louder SPK Components in metal case C239 C239 100P 100P C0402 C0402 R213 R213 R0402 R0402 U200 U200 C237 100N C237 100N R212 R212 SPK+ MP3_OUTR Vo2(+) C0402 C0402 R0402 R0402 C234 N.C_100N C234 N.C_100N R217 R217 N.C_20K N.C_20K SPK- MP3_OUTL...
  • Page 44 4. Troubleshooting Display Problem Start Change LCM or Re-solder J402 Check J402 and LCM FPC Check U403_C429, C434, C428 Change C429, C434, C428 Check RN401 Replace RN401 Display will work properly U403 C428 C429 J402 RN401 - 45 -...
  • Page 45 4. Troubleshooting C429 C429 0.22U 0.22U C0603 C0603 VOUT_BL LCM_BL-1 VBATBB LCM_BL-2 LCM_BL-3 VOUT_BL VOUT C428 C428 C434 C434 BWS0 C0603 C0603 C0603 C0603 BWS1 LRSTB /RESET U403 U403 RT9361APE RT9361APE NLD17 DB17 C421 C421 SOT26-6 SOT26-6 N.C_100N N.C_100N NLD16 BD16 GPIO0_LCM_BOOST_EN C0402...
  • Page 46 4. Troubleshooting Keypad Problem Start Change keypad Check keypad Check D306,D307,D308 Change D306,D307,D308 Check J300 Replace J300 Keypad will work properly D307 D306 D308 - 47 -...
  • Page 47 4. Troubleshooting KEYPAD Connector Components close to connector J300 J300 FH26-29S-0.3SHW(05) FH26-29S-0.3SHW(05) FH26-29S-0.3SHW FH26-29S-0.3SHW KCOL2 GND1 KCOL0 KROW5 KROW3 VBATBB D306 D306 PESD5V0L5UY PESD5V0L5UY SC88 SC88 PWRKEY PWRKEY VBATBB KROW1 KCOL0 KROW0 KCOL1 D307 D307 PESD5V0L5UY PESD5V0L5UY KCOL2 SC88 SC88 KCOL3 KROW0 KROW4...
  • Page 48 4. Troubleshooting VIB Problem Start Clean J401 Check J401 Change D411 or C423 Check D411 and C423 Check U100 and U400 Change U100 or U400 VIB will work properly J401 C423 D411 - 49 -...
  • Page 49 4. Troubleshooting VBATBB TP401 TP401 D400 D400 TP60MIL TP60MIL R401 R401 R402 R402 RB520S-30TE61 RB520S-30TE61 TP-1.5 TP-1.5 100K 100K 100K 100K U400 U400 SC79 SC79 R0402 R0402 R0402 R0402 KCOL6 PWRKEY /RESET /SYSRST BBWAKEUP PWRBB RSTCAP P1,6 VCXOEN SRCLKEN VBATSNS C401 C401 C402...
  • Page 50 4. Troubleshooting FM Problem Start Change R501 Check R501 Change C505,C504,C506 Check C505,C504,C506 Check U502 Change U502 FM will work properly C505 U502 R501 C504 C506 - 51 -...
  • Page 51 4. Troubleshooting C504 C504 C0402 C0402 TP501 TP501 U502 U502 TP-0.7 TP-0.7 C505 C505 SI4700 SI4700 100P 100P FMM24PA-A FMM24PA-A C0402 C0402 GND1 FM_ANT FMIP FM_INR RFGND ROUT FM_INL FMIN LOUT GND2 GPIO4_FMRST GPIO3 GPIO11_FMEN ENIT1_FM_INT P1 GPIO2 P1,2 GPIO8_SCL SCLK GPIO1 P1,2...
  • Page 52 4. Troubleshooting RF Problem - 53 -...
  • Page 53 4. Troubleshooting 7312 RF Placement PX Path TX Path - 54 -...
  • Page 54 4. Troubleshooting PA module (U600) Test point part Function Typical value Description U600, pin1 DPCS_IN DCS PCS RF input U600, pin2 2.8V Band select logic input U600, pin3 TXEN 2.8V TX enable logic input U600, pin4 VBAT 3.8V(3.4~4.2V) Battery supply connection U600, pin5 CEXT by pass...
  • Page 55 4. Troubleshooting T/R Switch(U601) control signal LB_TX(VC1) HB_TX(VC2) PCS_RX(VC3) EGSM TX DCS, PCS TX PCS RX EGSM, DCS RX - 56 -...
  • Page 56 4. Troubleshooting T/R Switch(U601) Test point part Function Typical value Description U601, pin1 D_RX DCS RX U601, pin2 2.8V PCS RX control signal U601, pin3 P_RX PCS RX U601, pin4 2.8V DCS, PCS TX control signal U601, pin5 D_TX DCS PCS TX U601, pin7 G_TX GSM TX...
  • Page 57 4. Troubleshooting RF transceiver (U602) - 58 -...
  • Page 58 4. Troubleshooting VCTCXO (U603) Test point part Function Typical value Description U603, pin1 VCONTROL 1.38V Automatic frequency control voltage (AFC) U603, pin3 OSCOUT 26MHz Reference frequency output U603, pin4 2.8V Power supply - 59 -...
  • Page 59 4. Troubleshooting RF TX Problem Start Change U602_Transceiver Check U602 Change U600_PA Check U600 Check U601 Change U601_T/R switch TX work properly U601 U600 U602 - 60 -...
  • Page 60 4. Troubleshooting RF RX Problem Start Change J601 Check J601 Check U601 Change U601_T/R switch Check U602 Change U602_ Transceiver RX will work properly - 61 -...
  • Page 61 4. Troubleshooting U601 U602 J601 - 62 -...

  • Page 62: Circuit Diagrams

    5. Circuit Diagrams 5. CIRCUIT DIAGRAMS SYSTEM BLOCK DIAGRAM - 63 -...
  • Page 63 5. Circuit Diagrams LCM & Keypad Interface KCOL3 GND1 KCOL2 KCOL1 KCOL0 VBATBB KROW0 SW101 SW101 SW102 SW102 PWRKEY [SOFT_R] [SOFT_L] KCOL0 KROW1 KCOL1 KCOL2 SW103 SW103 SW104 SW104 KCOL3 [SEND] KROW2 KROW0 KROW1 SW105 SW105 SW106 SW106 SW107 SW107 SW108 SW108 KROW2...
  • Page 64 5. Circuit Diagrams Microphone MICBIASP MicroPhone SMT Microphone R206 R206 B200 B200 MMZ1608S102C MMZ1608S102C U201 U201 R0402 R0402 C200 100N C200 100N MICIN+ MICP0 L0603 L0603 C0402 C0402 C212 C212 IN/C C205 C205 100P 100P C0402 C0402 R202 R202 SPM0204HE5 SPM0204HE5 N.C_0R N.C_0R...
  • Page 65 5. Circuit Diagrams Receiver AAC reciver : Receiver SDRP0615FJ01-F1-G B206 B206 Receiver connector MMZ1005S102C MMZ1005S102C ReceiverN LS201 LS201 RECN0 R0402 R0402 TP35MIL TP35MIL C228 C228 ReceiverP SDRP0615F-J04-F1-G SDRP0615F-J04-F1-G 100P 100P C0402 C0402 B207 B207 MMZ1005S102C MMZ1005S102C ESD209 ESD209 ESD210 ESD210 RECP0 R0402 R0402...

  • Page 66: Camera Module

    5. Circuit Diagrams Camera Module TP205 TP205 TP20MIL TP20MIL TP20MIL TP20MIL Camera CMOS TP204 TP204 connector TP20MIL TP20MIL TP20MIL TP20MIL TP206 TP206 TP20MIL TP20MIL TP20MIL TP20MIL R201 R201 TP207 TP207 TP20MIL TP20MIL TP20MIL TP20MIL R0402 R0402 TP208 TP208 CMRST J201 J201 TP20MIL TP20MIL...
  • Page 67 - 68 -...

  • Page 68: Circuit Diagram

    MT6227 MT6227 VSS33 AVSS_MBUF AU_VIN1_N AUXADIN6 ASS_ID MICP1 MT6227-A MT6227-A AVSS_BUF AU_VIN1_P AGND_AFE PLL_OUT AVSS_AFE AGND_RFE C110 C110 C111 C111 KG300 MT6227 MT6227 AVSS_GSMRFTX VUSB 100N 100N 100N 100N MT6227.D5:N.C MT6227-A MT6227-A VDD33_USB AVSS_RFE C0402 C0402 C0402 C0402 MT6219.D5:GND VRTC...
  • Page 69 GND1 C238 C238 GPIO1_OP1_EN /SHUTDOWN GND0 C0402 C0402 C0402 C0402 LM2890 LM2890 C0603 C0603 NCP2890-D NCP2890-D R214 R214 100K 100K R0402 R0402 On-semi NCP2890-D KG300 Audio,CMOS Audio,CMOS 7312 7312 Thursday, August 10, 2006 Thursday, August 10, 2006 - 70 -...
  • Page 70 TP-0.7 TP-0.7 TP-0.7 TP-0.7 TP-0.7 TP-0.7 TP-0.7 TP-1.5 TP-1.5 TP-1.5 TP-1.5 JTDI JTMS JTCK /JTRST JTDO KG300 JRTCK VBAT Memory, key scan, IO Memory, key scan, IO 7312 7312 Thursday, August 10, 2006 Thursday, August 10, 2006 - 71 -...
  • Page 71 RT9182EPES RT9182EPES IOVcc VCMOS_2V8 SOT26-6 SOT26-6 VCMOS_1V8 VOUT2 VOUT1 C424 C424 VBATBB C406 C406 C0603 C0603 C0603 C0603 R0402 R0402 KG300 R407 R407 C432 C432 GPIO3_CM_PW_EN 100N 100N C425 C425 C0402 C0402 FH26-35S-0.3SHW FH26-35S-0.3SHW Power,LCM,Backlight Power,LCM,Backlight C0603 C0603 Z_TYPE_35P Z_TYPE_35P...
  • Page 72 C512 C512 C0402 C0402 D508 D508 D509 D509 PESD5V0L5UY PESD5V0L5UY PESD5V0L5UY PESD5V0L5UY SC88 SC88 SC88 SC88 KG300 RGB_LED, Keypad LED, T flash RGB_LED, Keypad LED, T flash 7312 7312 Thursday, August 10, 2006 Thursday, August 10, 2006 - 73 -...
  • Page 73 L4_8MIL L4_8MIL RFTP RFTP RFTP RFTP RFTP RFTP RFTP RFTP RFTP RFTP RFTP RFTP KG300 7310 P1AMT6129 + AWT6166 7310 P1AMT6129 + AWT6166 RF test strip line 7312 7312 Thursday, August 10, 2006 Thursday, August 10, 2006 - 74 -...
  • Page 74 TP-0.7MM PCMSYNC_BT P1 TP704 TP704 TP-0.7 TP-0.7 PULL TO VDD 16MHZ TP-0.7MM TP-0.7MM EINT3_BT P1 TP-0.7 TP-0.7 KG300 PULL TO VDD PULL TO VDD 19.2MHZ Bluetooth Bluetooth 7312 7312 Thursday, August 10, 2006 Thursday, August 10, 2006 - 75 -...
  • Page 75 R0402 R0402 R0402 R0402 R0402 R0402 R0402 KROW5 LED_COM LED_COM SW117 SW117 SW118 SW118 SW119 SW119 KG300 Title Title Title KEYPAD KEYPAD KEYPAD Size Document Number Size Document Number Size Document Number 7312 7312 7312 Date: Date: Date: Monday, May 29, 2006...

  • Page 76: Pcb Layout

    6. PCB LAYOUT - 77 -...
  • Page 77 6. PCB LAYOUT - 78 -...

  • Page 78: Exploded View & Replacement Part List

    7. EXPLODED VIEW & REPLACEMENT PART LIST 7.1 EXPLODED VIEW 33 34 30 27 46 48 - 79 -...
  • Page 79 - 80 -...
  • Page 80 7. EXPLODED VIEW & REPLACEMENT PART LIST 7.2 KG200 Service Parts LG Part Maker parts ITEM Location Part name Description Color number No(ARIMA) Chip Set GP_IC BASEBAND U100 BB processor EUSY0325001 PROCESSOR_MT6227BA/BC- 311009000003LJ L_TFBGA_296BALL_MTK GP_IC POWER MANAGEMENT U400 Power IC...
  • Page 81 7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts ITEM Location Part name Description Color number No(ARIMA) GP_IC LDO_R1114Q331B-TR-F_SC- 3110190000006 U402 Regulator EUSY0325801 82AB_4PIN_RICOH GP_IC LDO_RT9182EPES_SOT- U404 Regulator EUSY0326101 3110190000024B 23_6PIN_RICHTEK GP_IC FM MODULE_Si4700-B15- U502 FM Chip EUSY0326401...
  • Page 82 7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts ITEM Location Part name Description Color number No(ARIMA) SW309,S GP_SWT TACT SIDE KEY 3150040000010 W310,SW ESCY0004801 SW_EVQ9P701E_12V/50mA_4PIN_SPST_ 311,SW32 SWITCH PANASONIC RF Switch GP_CON RF SWITCH_MM8430- J601,J700 ENWY0005101 31401000000109 Connector 2610_3.0mm_6PIN_MURATA...
  • Page 83 7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts ITEM Location Part name Description Color number No(ARIMA) GP_KEYPAD_BLACK_7312_PC+RUBBER 4040B7312003V KEYPAD AKAZ0018104 Black _ARABIC_MISUNG POLYTECH CO. GP_DOME_7312_METAL_FOR METAL DOME ADCA0057801 40800073120021 KEYPAD_PRINTEC GP_SHIELDING CASE_7312_STAINLESS 407001731200S SHIELDING MCBA0015701 STEEL_LCM_JINCHYA CASE...
  • Page 84 Note...
  • Page 85 Note...

Table of Contents