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Question posted by floreablondu91 on December 2nd, 2015

Exist Nck Free For Lg 2050 End Writethem Imei

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Answer #1: Posted by TommyKervz on December 2nd, 2015 11:15 PM

This answer was accepted by the poster of the original question.

TommyKervz

Member since:
January 10th, 2013

Points: 17,776,813

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If you are looking to unlock your phone' Please follow the instructions on this link; http://sim-unlock.net/simlock/LG/B2050/

If not' Please repost your question with more details.

Hope that is helpful.
Kervz at www.satechhelp.co.za

Related LG B2050 Manual Pages

Service Manual - Page 3

... is required to give advanced written notice to the user, allowing the user to take appropriate steps to maintain telephone service. Incidence of the this phone or compatibility with your telecommunications services. If these changes could reasonably be performed only by the manufacturer or its communicationsfacilities or procedure. Maintenance Limitations Maintenance...

Service Manual - Page 4

... these are made to the factory, use the protective package as the following to the end user. In accordance with anti-static mat which is also grounded. •Use a ... •Keep sensitive parts in this manual are for illustrative purposes only; Interference and Attenuation Phone may interfere with rules regarding radiation and radio frequency emission as defined by using a wrist strap...

Service Manual - Page 5

... Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge Flexible Printed Circuit Board Gaussian Minimum Shift Keying General Purpose Interface Bus Global System for Mobile Communications International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode Offset Phase Locked Loop - 4- INTRODUCTION 1.3 Abbreviations For...

Service Manual - Page 14

ANTENNA SWITCH 3. The Aero I transceiver is the integrated RF front end for multi-band GSM/GPRS digital cellularhandsets and wireless data modems. The integrated solution eliminates the IF SAW filter, externallow noise amplifier (LNAs) for three ...

Service Manual - Page 15

... 3.0 V 0 V 0 V 0 V Table 3-1 THE LOGIC AND CURRENT Three differential-input LNAsare integrated in conventional super-heterodynearchitectures. The Front End Module(FL500) is used to switch either Tx or Rx path on. The GSM input supports the GSM850 (869-849 MHz) or E-GSM ...) bands. The LNA inputs are fed into the antenna or Mobile switch. The LNA gain is given below Table 3-1. The logic...

Service Manual - Page 33

B2050 uses differential configuration. 2. This section provides an audio codec with external devices like...4. AIN3P,AIN3N : External Analog Input terminal - The descriptions of audio port used in B2050 are given bellow in detail. - Receive audio signal from microphone. 3. B2050 uses differential configuration. 3. TECHNICAL BRIEF 3.6.4 Audio Section 1. AIN2P,AIN2N : Headset microphone ...

Service Manual - Page 37

...REC_P REC_N From Headset Microphone LGND DGND M2 N15 R8 C143 C144 39p 39p To Headset Speaker SGND1 SGND2 Figure 3-19 B2050 HEADSET SPEAKER/MIC CIRCUIT (AD6537B) AIN3L R13 AIN3R R14 P15 AIN2P AIN2N R15 AIN1P P16 R16 AIN1N NC_R12 R12 AOUT1P... DGND LGND SGND2 C143 C144 39p 39p To Main Receiver N15 R8 M2 Figure 3-20 B2050 MAIN SPEAKER/MIC CIRCUIT (AD6537B) SGND1 - 36 - 3.

Service Manual - Page 41

... switches (Normal Key 21EA, No sidekey), connected in a matrix of 5 rows by AD6527 to identify the pressed key. VBAT KEY POWERKEY R301 10K R309 680 END CLR SP320 KEY_ROW0 R310 680 VA311 AVLC14S02050 1 2 3 LEFT SP300 KEY_ROW1 R317 680 VA302 AVLC14S02050 4 5 6 UP SP304 SP303 SP302 SP301 KEY_ROW2 KEY_ROW3 KEY_ROW4 KEY_COL0 KEY_COL1 KEY_COL2...

Service Manual - Page 42

... section of AD6527 for the AIN2P. TECHNICAL BRIEF 3.9 Microphone The microphone is placed to the front cover and contacted to AIN2P and AIN2N pins of B2050, The main speaker is driven directly from AD6537B, and is passed to main PCB. The AIN2P and AIN2N signals are then A/D converted by the PGA...

Service Manual - Page 43

TECHNICAL BRIEF 3.11 Headset Interface This phone chooses a 5 pin type headset which has 6 electrodes such as HEADSET_SPK_OUT_P, HEADSET_MIC_P, JACK_DETECT, HEADSET_SPK_OUT_N, RADIO_ANT. Switching from Headset Jack to Receiver If jack is inserted, JACK_DETECT ...

Service Manual - Page 46

4. TROUBLE SHOOTING 4.1 RX Trouble TEST POINT 13Mhz OSCILLATOR Figure 4-1(a) 3. TECHNICAL BRIEF Mobile SW FEM TRANCEIVER LDO - 45 -

Service Manual - Page 47

4 . TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check regulator circuit Check VCTCXO Check FEM & Mobile SW Check RX IQ Redownload SW or Do calibration again - 46 -

Service Manual - Page 49

... MHz O.K? Refer to Graph 4-1 (a) No Yes VCTCXO Circuit is OK See next Page to Graph 4-1 (b) No Check Pin 4. 2.7V OK? 4 . Refer to check ANT SW & Mobile SW Yes Changing X500 Check U101, PMIC CIRCUIT Waveform 100 R514 2V75_VVCXO X500 3 OUT VCONT 1 1 4 VCC C536 22u 2 GNO 13MHz C538 1000p R516 15K AFC...

Service Manual - Page 58

... disconnected Pin17 : ~29.5dBm Pin15 : ~26.5dBm No Go to 4.3.5 Checking PAM control singnal Yes Open Yes Short Yes No Changing SW500 No Changing SW500 END ANT SW CONTROL TABLE VC1 EGSM_Tx L DCS PCS_Tx L EGSM DCS_ Rx L PCS_Rx H VC2 VC3 L H H L L L L L Table 4-2 - 57...

Service Manual - Page 98

DRAWING NAME B2050 Sheet/Sheets 1/5 Hermes 6527 ,Typhoon 6537B A9 VSSRTC P10 VSSUSB D4 GND1 V15 N16 P7 N12 M5 N5 L13 K10 K13 K8 H5 H11 H13 ... K5 G11 G12 G10 Section Designer Checked Approved Date 2004. 12.08 2004. 12.08 2004. 12.08 Sign & Name MODEL KIM H.J. LEE S.Y. Date Name LG Electronics Inc. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01...

Service Manual - Page 99

KIM B.Y. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 98 - MODEL B2050 Sheet/Sheets 2/5 E Checked Approved 2004. 12.08 2004. 12.08 LEE S.Y....IN- Date Name LG Electronics Inc. DRAWING NO. VO1 6 4 IN+ SPK_N LOW SPEAKER PHONE C233 C234 47p 47p AMP_EN VO2 10 1 SHUTDOWN SPK_P HIGH RADIO PHONE HEADSET_SPK_OUT_P RADIO_SPK_L HEADSET_SPK_OUT_N ...

Service Manual - Page 100

... G8 _CE3 K3 E4 _WP _ROM_CS2 _F_WP Designer 2004. 12.08 KIM H.J. MODEL B2050 3/5 C4 E5 VSS2 _ADV _ADV L1 F5 E C327 1u C329 1u C328 1u... M2 M8 M7 Iss. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 99 - DRAWING NAME MEMORY, MMI, I /O CONNECTOR KEY R301 10K END R309 POWERKEY 680 VBAT CLR A R304 R305 R306 100K 100K 100K R307 R308 100K 100K...

Service Manual - Page 102

DRAWING NAME B2050 Sheet/Sheets 5/5 RF Iss. Notice No. Date Name LG Electronics Inc. MODEL LEE S.Y. Ver.1.0 3 4 5 LG Electronics Inc. - 101 - DRAWING NO. 1 2 A TP502 TP501 TP500 C500 NA C502 NA C503 NA KMS-507 SW500 ANT G2 G1 RF B C543 22p L550 1.8nH 9 ...

Service Manual - Page 106

About Engineering Mode Engineering mode is 2945#*#. B. Pressing END will switch back to progress the test. D. C. ENGINEERING MODE A. Engineering Mode Menu Tree Engineering Mode BB Test RF Test MF Mode Trace option Call Timer ...

Service Manual - Page 131

... 3 WSYY00 SOFTWARE Part Number Specification SBPL0077901 3.7 V,830 mAh,1 CELL,PRISMATIC ,FG101 RUSSV423450, Innerpack SSAD0007835 FREE ,50 Hz,5.2 V,800 mA,CE,CB ,UK(IO.24P) WSAY0014101 B2050 TMU PC-Sync WSYY0239601 B2050P40FL-44-V101-234-30 APR 13 2005+1@ B2050 TMU S/W Color Remark - 130 - EXPLODED VIEW && REPLACEMENT PART LIST 12.3 Accessory Note: This Chapter...

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