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Now downloading free:LG LG 1200B


Download LG LG 1200B docs - Cell phone, GSM, Satellite phone - Nokia, Siemens, Samsung mobiles service manuals and repair information

File information:
File name:LG_B1200_SM.part1.rar
[preview LG 1200B] new window
Size:1423 kB
Extension:
MD5:aa1b846c554f16de85e488abfcf4a789
Mfg:

LG

Model:

LG 1200B

Original Chassis:
Descr:Service manual for LG 1200B
Group:Electronics > GSM >
Uploaded:2004-12-29 23:21:34
User:Greeny
Multipart: 0  1  2  3  4  5  6  7

Information about the files in archive:
Decompress result:OK
Extracted files:9
File nameText
Assembly instructions.pdf6. ASSEMBLY INSTRUCTIONS 6. ASSEMBLY INSTRUCTIONS 1. Remove battery cover - 41 - 6. ASSEMBLY INSTRUCTIONS 2. Remove battery - 42 - 6. ASSEMBLY INSTRUCTIONS 3. Remove screws 4. Turn handset up - 43 - 6. ASSEMBLY INSTRUCTIONS 5.Take off front panel 6.Take off keypad - 44 - 6. ASSEMBLY INSTRUCTIONS 7.Take off mainboard - 45 - 6. ASSEMBLY INSTRUCTIONS 8. Take off MIC and backup battery 9. Turn mainboard down - 46 - 6. ASSEMBLY INSTRUCTIONS 10. Take off Antenna - 47 - 6. ASSEMBLY INSTRUCTIONS 11. Take off Shielding cover - 48 - 6. ASSEMBLY INSTRUCTIONS 12. Take off Vibrator and BATT connector - 49 -
Block diagram.pdf7. BLOCK DIAGRAM 7. BLOCK DIAGRAM 1) BaseBand Section - 50 - 7. BLOCK DIAGRAM 2) RF Section - 51 - 7. BLOCK DIAGRAM - 52 -
Exploded view.pdf11. EXPLODED VIEW & REPLACEMENT PART LIST 11. EXPLODED VIEW & REPLACEMENT PART LIST 11-1 Exploded View - 61 - 11. EXPLODED VIEW & REPLACEMENT PART LIST < Parts List of Exploded View > No M1 M2 Location No. LG Part No. MWAC0019201 MHDA0005501 MHDA0005502 MHDA0005503 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 LS301SUSY0006501 MKAA0004601 SUMY0004301 SBCL0001101 SNGF0000901 SAFY0054401 MPBZ0014801 J103ENTB0003601 MHDB0005401 MHDB0005402 MHDB0005403 M13 M14 M15 SBPL0064501 MCJA0003401 MCJA0003402 MCJA0003403 M16 MHGD0001301 GVC Part No. R3870160R0 R2710267R0 R2710268R0 R2710266R0 HJ00118040 R3630096G0 R3920058G0 HJ110043C0 R383003180 R3930027H0 84044599 R400001580 R3010216M0 R2720177R0 R2720178R0 R2720176R0 R3220063U0 JB040094A0 R2770018R0 R2770019R0 R2770017R0 R385003400 Description LCD Lens Upper Case Upper Case Upper Case Speaker/Receiver/Buzzer 6x2.2OB-2 Sponge for LCM Keypad Rubber Metal Dome MICROPHONE & RUBBER Backup Battery 3V 1.8mAh VL621 ANTENNA EMBEDDED(IN BUILD) Main Board + Key Boar
Failure list_Trouble shooting.pdf3. FAILURE LIST 3. FAILURE LIST FAILURE ITEM NO RING TONE RING TONE DISTORTION NO KEY TONE AUDIO NOISE POOR VOICE QUALITY LOW VOICE VOLUME RECEIVER / EARPIECE MUTE POOR HANDFREE VOICE QUILITY TOTALLY DEAD/NO POWER UNEXPECTED POWER ON UNEXPECTED POWER OFF / POWER OFF BY PLUG IN A EARPIECE RANDOM TIME DISPLAY CLOCK RESET AT POMER ON / CLOCK DEAD NO SERVE FOUND/NO NET WORK REGISTER ROAMING AT POWER ON / UNEXPECTED INTERNATIONAL ROAMING WRONG IMEI CODE LCD NOT DISPLAY LCD DISPLAY MISSING ROW/LCD DISPLAY DETECT BLACK LCD FLICKING LCD DISPLAY / DISPLAY UNSTABLE BLACK LINE ON LCD DISPLAY RANDOM LCD DISPLAY LED FAIL WEAK SINGAL/ECHO IN TALKS NO TRANSMIT / RECEIVE ANTENNA DEFECT INCOME CALLS CAN'T BE PICKED UP REMOTE SIDE AUDIO MUTE SIGNAL INTERCEPT BAD CHARGER CONNECTOR CAN'T POWER ON AFTER CHARGING SHORT WAITING HOURS HIGH POWER CONSUMATION BATTERY DAMAGE BATTERY CAN'T BE CHARGED BATTERY LEVEL DON'T DISPLAY BATTERY LEVEL DISPLAY NOT CORRECT INCOMPATIBLE WITH BATTERY SIM CARD UNRECOGNIZE BAD
LG-B1200_Russia_Russian.pdf ^ ^ ... 6 , ... 9 fl ~ڸ ... 9 fl ^ ,˯ ... 10 , ,, ... 12 Ӱ ... 13 ,̰ ^ ... 15 ,~ fl ... 15 , SIM ڰ... 15 ,~ SIM ڰ ... 16 , fl... 16 ~ fl,, ,...
Performance.pdf1. PERFORMANCE 1. Performance MODEL NAME Talk time Standby RF power output B1200 140 mins 50 - 120 hours Class 4 GSM/ Class 1 DCS Transmitting Frequency Range: Receiving Frequency Range: TX - RX Duplex Spacing: Channel Spacing: Number of Channels: GSM PCN GSM PCN GSM GSM GSM PCN : 890 - 915 Mhz : 1710 - 1785 Mhz : 935 - 960 Mhz : 1805 - 1880 Mhz : 45 MHz / PCN: 95Mhz : 200 Khz / PCN: 200 Khz : 124 (Numbered 1 to 124) : 374 (Numbered 512 to 885) -2- 1. PERFORMANCE 1-1 PERFORMANCE Item 1 Description Frequency Band 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) GSM1800 band Tx: 1710 + (n-512)*0.2 Rx: 1805 + (n-512)*0.2 (n = 512 ~ 885) RMS < 5 degrees Peak < 20 degrees < 0.1ppm ~ =90 Hz (for GSM900) or 180 Hz (for GSM1800) GSM900 Control Level Power level 5 33 dBm 6 31 dBm 7 29 dBm 8 27 dBm 9 25 dBm 10 23 dBm 11 21 dBm 12 19 dBm 13 17 dBm 14 15 dBm 15 13 dBm 16 11 dBm 17
Technical brief.pdf2. TECHNICAL BRIEF 2. TECHNICAL BRIEF 2-1 The RF Chipset The A316 RF integrates the TRF6150 transceiver IC, TX/RX VCO, Power amplifier(RF3110), Front End Module 8450T(switchplexer, RF-SAW filter), for dulaband transmitting and receiving function. 32KHz QUARTZ VCOs - 11 - 2. TECHNICAL BRIEF 2-1-1 The Receiver The RF receive signal( EGSM 925Mhz 960MHz, DCS 1805Mhz 1880Mhz) is input via the antenna or coaxial connector. An antenna matching circuit is between the antenna and the connector. - 12 - 2. TECHNICAL BRIEF 2-1-2 The TX IF Modulator The TX I & Q signals from baseband IC are fed to Pin#18-21 of the TRF6150, where they are then modulated onto a TX IF by the modulator inside TRF6150. The TX IF frequency is listed as below. EGSM Band From CH 1 CH 27 CH 44 CH 92 CH 109 CH 986 CH 1003 To CH 26 CH 43 CH 91 CH 108 CH 985 CH 1002 CH 1024 AUX VCO= 2 x IF Frequency 858 MHz 852.8 MHz 858 MHz 842.4 MHz 858 MHz 842.4 MHz 858 MHz DCS Band From CH 512 CH 533 CH
Test point data.pdf5. TEST POINT DATA 5. TEST POINT DATA Component Side (1-1) 1 2 3 13 4 11 6 14 12 9 10 5 7 8 16 15 - 35 - 5. TEST POINT DATA Location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J103 Q101 U202 U201 U301 U101 Q301 Q302 J301 J104 J102 U302 Y201 R104 R105 R109 D313 D102 Component Side (1-1) Battery connector : For damage or cold soldering cause power on failure P-channel MOSFET with schottky diode : For damage or cold soldering cause charger function failure Nausica_CS : analog baseband chipset (ABB) Hercrom20 : digital baseband chipset (DBB) 16Mbit flash ROM : For damage or cold soldering cause power on failure 3V, 200mA LDO regulator : For damage or cold soldering cause accessory power failure. Isolated dual transistors : For damage or cold soldering Q301A cause vibration motor Failure, Q301B cause keypad back-light failure Isolated dual transistors : For damage or cold soldering Q302A cause pre-charger indication failure, Q302B cause the LCD back-light failure Vibration motor : For damag
Tooling list_Equipment list.pdf9. TOOLING LIST 9. TOOLING LIST Level 1 ITEM MAGANIFY(20 TIME ) DOUBLE TAPY ( 3M) TAPE CUTER MACHINE PINCES SCREW DRIVE ELIMINATOR AIR GUN LONG FIBER CLOTH DUMMY BATTERY TEST SIM CARD ANTISTATIC GLOVE ESD COMPONENT BOX ( SMALL ) ESD COMPONENT BOX ( BIG ) ESD WRIST STRIP ESD TRAY ANTISTATIC TABLE CLOTH SCREW FEEDER HAND SCREW DRIVE FUNCTION SPEC Motic 20x~80x 8*22 mm ELM 3C HIOS CL3000 3M Model 908 15*15 CM Pick up small part Screwing Clean lens Clean hand set For testing - 57 - 9. TOOLING LIST Level 2 ITEM Buzzer/Mic Replace LED Replace Murcury Battery Replace SOLDER STATION SOLDER WIRE FLUX PASTE MAGANIFY(20 TIME ) DOUBLE TAPY ( 3M) TAPE CUTER MACHINE PINCES SCREW DRIVE ELIMINATOR AIR GUN LONG FIBER CLOTH DUMMY BATTERY PRINTER SCANNER PC TEST SIM CARD ANTISTATIC CLOTH ANTISTATIC GLOVE ANTISTATIC SHOES ESD COMPONENT BOX ( SMALL ) ESD COMPONENT BOX ( BIG ) CLEANNER CLEANNER BOTTLE ESD WRIST STRIP ESD TRAY ANTISTATIC TABLE CLOTH SCREW FEEDER SOLDER IRON JIG HAND SCREW DRIVE FUNCTION

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