LG KG320 Service Manual Download Page 83

Page: 83 / 148

4. TROUBLE SHOOTING

- 84 -

START

Does the audio

profile of the phone

change to the

earphone mode?

YES

Resolder CN301

YES

Earphone will work properly

Level at

JACK_DETECT signal

is low

Can you hear your

voice from

the earphone?

Set the audio part of the test

Equipment to echo mode

Change the earphone

and try again

Can you hear your

voice from

the earphone?

YES

Can you hear

the sound from

the earphone?

Set the audio part of

the test equipment to

PRBS or continuous

wave mode

YES

Voltage level check

Of AUX_SPK_L

& AUX_SPK_R

signal.

Replace CN301

YES

Voltage level check

Of AUX_MIC_P &

AUX_MIC_N

signal.

Check

U305

works properly

YES

Resoler components

Change main board

YES

Resoler U305

Checking Flow

Summary of Contents for KG320

Page 1: ...Date May 2006 Issue 1 0 Service Manual Model KG320 Service Manual KG320 ...

Page 2: ...UBLE SHOOTING 54 4 1 RX Trouble 54 4 2 TX Trouble 60 4 3 Power On Trouble 67 4 4 Charging Trouble 69 4 5 Vibrator Trouble 71 4 6 LCD Trouble 73 4 7 BT Trouble 76 4 8 Speaker Trouble 79 4 9 SIM Card Interface Trouble 81 4 10 Earphone Trouble 83 4 11 Receiver Trouble 85 4 12 Microphone Trouble 87 4 13 RTC Trouble 89 4 14 Camera and Flash Trouble 91 5 DOWNLOAD AND CALIBRATION 94 5 1 Download 94 6 BLO...

Page 3: ... 4 ...

Page 4: ...t 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 long as repair is not do...

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

Page 6: ...Bm dB relative to 1 milli watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum 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 D...

Page 7: ...al Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM STMR Side Tone Masking Rating TA Travel Adapter TDD Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Osci...

Page 8: ...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 LCD TFT 176 220 pixel 260K Color Hard icons Key Pad 0 9 Status Indicator Menu Key Confirm Key Shot Key Send Key END PWR Key Left Right Up Down Key Soft Key Left Right Hot Key Left Right ANT Internal EAR Phone Jack Yes stereo PC Synchron...

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

Page 10: ...800 60 1 800 3 000 63 3 000 6 000 65 5 Output RF Spectrum 6 000 71 due to modulation DCS PCS 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 dBm Output RF Spectrum 400 19 6 due to switching transient 600 21 1 200 21 1 800 24 ...

Page 11: ...BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 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 7 500 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...

Page 12: ...68KHz tolerance 30ppm 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 440 mA Slow Charge 66 mA Antenna Bar Number Power 5 85 dBm 4 90 dBm 86 dBm 22 Antenna Display 3 95 dBm 91 dBm 2 100 dBm 96 dBm 1 105 dBm 101 dBm 0 105 dBm Battery Bar Number Voltage 0 3 36 3 54 V 23 Battery Indicator 1 3 55 3 66 V 2 3 67 ...

Page 13: ...fication 25 Forced shut down Voltage 3 35 0 03 V 1 Li Poly Battery 26 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 800mAh Switching mode charger 27 Travel Charger Input 100 240 V 50 60 Hz Output 5 2 V 800 mA ...

Page 14: ...erface without the need for complex dc offset compensation The transmit section of Aero II provides a complete upconversion path from the baseband subsystem to the power amplifier PA using an offset phase locked loop OPLL integrated with Silicon Laboratories patented synthesizer technology All sensitive components such as TX RF VCOs loop filters tuning inductors and varactors are completely integr...

Page 15: ...address the complex dc offset issues However since the Aero II transceiver has no requirement for BBIC support of complex dc offset compensation it is able to interface to all of the industry leading baseband ICs The receive RX section integrates four differential input low noise amplifiers LNAs supporting the GSM 850 869 894 MHz E GSM 900 925 960 MHz DCS 1800 1805 1880 MHz and PCS 1900 1930 1990 ...

Page 16: ...The OPLL requires no external filtering to attenuate transmitter noise and spurious signals in the receive band saving both cost and power The output of the transmit VCO TXVCO is a constant envelope signal that reduces the problem of spectral spreading caused by non linearity in the PA Additionally the TXVCO benefits from isolation provided by the transmit output buffers This significantly minimiz...

Page 17: ... are typically set to center the oscillator frequency during production A second capacitor array CAFC allows for fine and continuous dynamic adjustment of the reference frequency by an external control voltage AFC This control voltage is supplied by the AFC DAC of the baseband and should be connected to the transceiver AFC pin pin 27 The baseband determines the appropriate frequency adjustment bas...

Page 18: ...erence clock output from the XOUT pin to the baseband input The XOUT buffer is enabled when the XEN pin is set high independent of the PDN pin To achieve complete powerdown during sleep the XEN pin should be set low to disable the XOUT buffer The XOUT buffer is specified to drive a maximum load of 10 pF The reference clock should be set to 13 MHz or 26 MHz by the XDIV pin When XDIV is tied low XOU...

Page 19: ...ther supports the DCS1800 and PCS1900 bands Both PA blocks share common power supply pins to distribute current The GaAs die the Silicon Si die and the passive components are mounted on a multi layer laminate substrate The assembly is encapsulated with plastic overmold RF input and output ports of the SKY77328 are internally matched to a 50 Ω load to reduce the number of external components for a ...

Page 20: ...3 TECHNICAL BRIEF 21 Figure 3 5 SKY77328 FUNCTIONAL BLOCK DIAGRAM ...

Page 21: ...e SI4210 analog base band chipset U101 AD6535ABCZ digital base band chipset U102 AD6527BABCZ 3 4 FEM for Triband FL400 1608 X400 2 GND 3 OUT VCC 4 VCONT 1 26MHz C443 2 2u C442 NA 1000p C441 2V75_VVCXO 15K R415 100 R414 AFC Figure 3 6 VCTCXO CIRCUIT DIAGRAM Select Mode Vc EGSM Vc DCS PCS EGSM Rx Low Low EGSM Tx High Low DCS Rx Low Low PCS Rx Low Low DCS PCS Tx Low High Table 3 1 FEM CONTROL LOGIC ...

Page 22: ...5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 FL400 HWXQ511 270p C440 270p C439 ANT_SW1 ANT_SW2 Figure 3 7 FEM CIRCUIT DIAGRAM ...

Page 23: ...3 TECHNICAL BRIEF 24 3 5 Digital Main Processor AD6527B U102 Figure 3 5 SYSTEM INTERCONECTION OF AD6527 EXTERNAL INTERFACE ...

Page 24: ...st 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 Dedica...

Page 25: ...ANT_SW2 ANT_SW3 CLKON PA_EN S_EN S_DATA S_CLK RF_PWR_DWN 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 CLKON RF LDO Enable Disable PA_EN GPO 16 PAM Enable Disable S_EN GPO 19 PLL Enable Disable S_DATA GPO 20 Serial Data to PLL S_CLK GPO 21 Clock to PLL RF_PWR_DWN GPO 4 Power down Input Table 3 4 RF CONTROL SIGN...

Page 26: ...cts whether key is pressed or not by using interrupt method E AD6535 Interrupt AD6535 provides an active high interrupt output signal Interrupt signals are generated by the Auxiliary ADC audio and charger modules Signals Description SIM_DATA This pin receives and sends data to SIM card This model can support only 3 0 volt interface SIM card SIM_CLK Clock 3 25MHz frequency SIM_RST GPIO_23 Reset SIM...

Page 27: ...s 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 interrupt ...

Page 28: ...3 TECHNICAL BRIEF 29 3 5 Analog Main Power Management Processor AD6535 U101 Figure 3 8 AD6535 FUNCTIONAL BLOCK DIAGRAM ...

Page 29: ...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 Processor sec...

Page 30: ...s used for GSM application The GMSK modulator uses a ROM lookup table to modulate the serial data stream ffrom the BSPORT The GMSK modulator is based on 3GPP TS 45 004 ver 5 1 0 Release 5 3 5 2 Baseband Receive Section 1 This section consists of two identical ADC channels that process baseband in phase I and quadrature Q input signals Figure 3 9 AD6535 BASEBAND TRANSMIT SECTION Figure 3 10 AD6535 ...

Page 31: ... 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 11 AD6535 AUXILIARY SECTION ...

Page 32: ...tion supports communications and personal audio applications 2 The Audio Section provides an audio codec with two digital to analog converter a ring tone volume controller a microphone interface and analog input and output channels Figure 3 12 AD6535 AUDIO SECTION ...

Page 33: ...he AD6535 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 AD6527B Figure 3 13 AD6535 POWER MANAGEMENT SECTION ...

Page 34: ... supplies the SIM interface circuitry on the digital processor and SIM card 2 85V 20mA VRTC supplies the Real Time Clock module 1 8 V 20 µA VABB supplies the analog portions of the AD6537B VMIC supplies the microphone interface circuitry 2 5 V 1 mA VVCXO supplies the voltage controlled crystal oscillator 2 75 V 10 mA VBACK charges the backup battery and supplies the RTC regulator 2 8V 1 8V VAPP su...

Page 35: ...ent 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 50 60Hz Output voltage DC 5 2V 0 2 V Out...

Page 36: ...ut at the USBON pin When the USBON is driven to logic LOW the charger is disabled When the USBON is driven to logic HIGH the charge current is fixed at a typical value of 380mA Thus for the USB input the USBON pin has a similar function as the EN pin The following table describes the USB charge control by both the USBON pin and EN pin The USBON pin is equivalent to a logic LOW when left floating T...

Page 37: ...esponds to a different range of currents The typical rDS ON of the P channel MOSFET for the CRDL input is 600mΩ at room temperature When the head room between the input and output voltages is small the actual charge current similar to the USB case could be limited by the rDS ON On the other hand if the head room between the input and output voltages is large the charge current may be limited by th...

Page 38: ...de threshold Regardless of the CHG pin status however the charger does not turn off as long as an input power source is attached Power Presence Indication When either the USB or the cradle input voltage is above the POR threshold the PPR pin internal open drain MOSFET turns on indicating the presence of input power Power Good Range Even if there is a power present the charger will not deliver any ...

Page 39: ...3 TECHNICAL BRIEF 40 3 7 CAMERA IC AIT811T U103 Figure 3 18 AIT811T APPLICATION BLOCKDIAGRAM ...

Page 40: ...E4 PHD15 PHD16 F1 F2 PHD17 C2 PHD2 PHD3 C3 PHD4 D1 A12 PGPIO19 H10 PGPIO2 PGPIO20 A11 C10 PGPIO21 PGPIO22 D9 B10 PGPIO23 PGPIO24 C9 D8 PGPIO25 A10 PGPIO26 PGPIO27 B9 C8 PGPIO28 PGPIO29 D7 PGPIO3 F11 B8 PGPIO30 G10 PGPIO4 PGPIO5 H9 J4 PD7 K2 PD8 PD9 K1 J6 PDCLK PDH13 E3 PGPIO0 J9 E12 PGPIO1 C12 PGPIO10 PGPIO11 D11 E10 PGPIO12 B12 PGPIO13 D10 PGPIO14 PGPIO15 F9 PGPIO16 E9 PGPIO17 C11 PGPIO18 B11 H6 ...

Page 41: ...3 TECHNICAL BRIEF 42 3 8 MIDI IC YMU787 U202 Figure 3 20 YMU787 BLOCKDIAGRAM ...

Page 42: ...ons NAUXCS1 MIDI GPIO12 GPIO37 1u C222 0 C209 82K 27K R210 R211 R212 3 3K _MIDI_CS SPOUT1L SPOUT1R J8 B8 SPOUT2L H8 SPOUT2R SPVDDL A6 J6 SPVDDR A7 SPVSSL SPVSSR1 H7 J7 SPVSSR2 E8 TXOUT VREF F7 _CS H3 D4 _IRQ H4 _RD _RST B4 _WR J2 HPOUTL HPOUTR C7 HPVSS D8 IOVDD1 H1 B3 IOVDD2 C2 LDE1_GPIO4 C3 LED0 LED2_GPIO5 B1 LRCK D3 B2 MTR NC1 A1 A8 NC2 J1 NC3 PLLC H5 RXIN C6 SDI D1 B7 A3 DVSS3 E1 EQ1L B5 J5 EQ1...

Page 43: ...e Delayed write path Generally Music data is written into the Delayed write path It interprets the contents of music data and controls the synthesizer after sequencer and then plays the music Hybrid synthesizer This device contains a built in polyphonic synthesizer that adopts a stereophonic hybrid system that generate up to 64tones FM synthesizer WT synthesizer stream playback HV synthesizer and ...

Page 44: ...TIN against each analog output SPOUT HPOUT EXTOUT TXOUT and mixing are performed EQ AMPLIFIER SECTION The change of filter characteristic and gain is possible by adjusting the resistors and external parts SPEAKER AMPLIFIER SECTION The two digital speakers amplifier which has a maximum output power of 500mW at SPVDDL R 3 6V and RL 8ohm is integrated in this device There is a volume to adjust output...

Page 45: ... R118 0 KEY_ROW1 KEY_ROW2 KEY_ROW3 KEY_ROW4 PWRKEY KEY_COL4 KEY_COL0 KEY_COL3 KEY_COL2 KEY_COL1 3 TECHNICAL BRIEF 46 KEY PCB CONN 7 8 9 10 11 12 13 14 15 16 17 18 19 2 20 3 4 5 6 CN100 1 1u VBAT C101 RPWRON 2V5_VMIC DE_RX DE_TX KEY_COL4 KEY_LIGHT MIC_N MIC_P PWRKEY KEY_ROW1 KEY_ROW2 KEY_ROW3 KEY_ROW4 KEY_COL0 KEY_COL1 KEY_COL3 KEY_COL2 Figure 3 22 KEYPAD SWITCHES AND SCANNING ...

Page 46: ... 3 11 Main Speaker GPIO40 TP102 2V5_VMIC C3 COM1 A3 COM2 B1 GND C2 IN1 A2 IN2 C1 NC1 A1 NC2 C4 NO1 A4 NO2 B4 V U100 MAX4684EBC_T 1u C130 MULTI_MIC_P MULTI_MIC_N MIC_PATH_SEL MIC_P MIC_N CLOSE TO MIC R117 2 2K R103 1K 0 1u 2V5_VMIC OSF213 42D MIC100 1 2 C106 C103 C102 22u 39p C104 39p 2 2K R104 C105 39p 39p C118 C117 39p 100 100 R116 R105 VA100 EVLC14S02050 EVLC14S02050 VA101 MIC_P MIC_N SPOUT1L SP...

Page 47: ...XT D301 PG05DBTFC GND B1 IN1 C2 IN2 A2 NC1 C1 NC2 A1 NO1 C4 NO2 A4 V B4 MAX4717EBC T U304 COM1 C3 A3 COM2 VBAT VUSBIN C322 33u R304 30K R309 VCHARGE A1 C3 VIN C1 VOUT 100K LP3985IBLX 2 8 U300 A3 BYPASS B2 GND VEN C314 39p VUSBIN FL301 CM1204 03CP ESD_1 A1 A3 ESD_2 C1 ESD_3 C3 ESD_4 GND B2 1u C306 33u C307 0 1u C377 R322 100K 30K R308 18 19 2 20 21 22 3 4 5 6 7 8 9 CN301 HSEJ 18S04 25R 1 10 11 12 1...

Page 48: ...4 L6 IO1 L7 IO2 IO3 L8 L9 IO4 K9 IO5 K10 IO6 J10 IO7 H10 IO8 A1 NC1 B7 NC10 NC11 B8 B9 NC12 B10 NC13 ALE J1 CE2PS D6 CLE H1 J3 DQ0 G4 DQ1 DQ10 J4 DQ11 K5 J7 DQ12 DQ13 H7 DQ14 K8 H8 DQ15 K4 DQ2 H5 DQ3 DQ4 H6 DQ5 K7 DQ6 G7 D9 A15 A16 G9 F4 A17 A18 E4 D7 A19 A2 E2 A20 E6 A21 E9 A22 F9 D2 A3 A4 F3 A5 E3 A6 D3 C3 A7 A8 C7 E7 A9 U204 TV00578003AABD G2 A0 F2 A1 A10 F7 A11 C8 D8 A12 A13 E8 F8 A14 2V8_VMEM...

Page 49: ...NC 28 PCM_CLK 20 19 PCM_IN 17 PCM_OUT PCM_SYNC 18 1 PIO0 PIO1 2 7 PIO2 PIO3 U202 LBMA 2C67B2 C210 2 2u 3 4 VCC 5 U201 GND 2 1 A3 BYPASS GND B2 A1 VEN VIN C3 C1 VOUT TC7SH08FS U200 LP3985IBLX 2 8 22nH L200 GND2 IN OUT LFB212G45SG8A166 FL201 GND1 COM1 C3 COM2 A3 GND B1 IN1 C2 IN2 A2 NC1 C1 NC2 A1 NO1 C4 NO2 A4 B4 V 0 1u 2V8_VBT MAX4717EBC T U203 C211 15p 2V8_VBT C208 C200 0 01u C207 NA C205 1u C204 ...

Page 50: ... 16 17 18 ENBY0019101 CN202 2V8_CAM_DVDD C229 0 1u C_SCK C_CD06 C_SDA C_CD04 C_VS C_RST C_CD02 C_MCLK C_CD03 C_HS C_CD01 C_CD05 C_PCLK C_CD00 C_CD07 Figure 3 28 CAMERA CONNECTOR VCORE C216 1u C215 0 01u GND 5 NC1 NC2 7 8 NC3 1 VIN 10 VOUT1 VOUT2 9 MIC2211 GMYML BGND 11 4 BYP EN1 2 EN2 3 6 U201 VBAT 1V8_CAM 1u C214 2V8_CAM_AVDD FB201 0 R219 1u C217 2V8_CAM_DVDD CAM_PWR_EN Figure 3 29 CAMERA LDO ...

Page 51: ...AT C125 1u C128 1u 1u C124 7 5K R113 1u C126 R112 100K C129 1u 2 2u C127 9 5 ISINK1 6 ISINK2 ISINK3 7 NC 8 PGND 17 VIN 4 13 VOUT_BL 3 VOUT_FL AAT2807AIXN 4 5 11 C1 C1 12 14 C2 C2 15 C3 2 1 C3 EN_FLSH 16 10 EN_SET GND U104 MLED3 LCD_DIM_CTRL MLED1 MLED2 MLED FLASH_LED C_FLASH 2010 CAMERA FLASH LED R213 10 2 4 6 8 1 3 5 7 LD201 FLASH_LED Figure 3 30 MAIN KEY BACKLIGHT Figure 3 32 WHITE FLASH LED LDO...

Page 52: ...RATOR from AD6527B FLIP SWITCH 0 01u C130 GND1 3 4 GND2 NC1 2 NC2 5 OUTPUT 1 PGND 7 VDD 6 A3212EEH T U105 R114 100K 2V8_VEXT 1u C131 CAM_COV_DET Figure 3 34 FLIP SWITCH GPIO 3 VIBRATOR R202 0 VBAT R208 10K R203 47K CN201 1 2 VBAT 1SS352 TPH3_F D201 R206 100 R207 1 5K Q201 2 3 6 4 1 5 EMZ2 C206 4 7u VIBRATOR Figure 3 35 MOTOR ...

Page 53: ...4 TROUBLE SHOOTING 54 4 1 RX Trouble 4 TROUBLE SHOOTING SKY7477328 FEM 26Mhz OSCILLATOR SI4210 Figure 4 1 TEST POINT ...

Page 54: ... 55 START Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM Mobile SW Check RX IQ Checking Flow ...

Page 55: ...o check ANT SW Mobile SW VCTCXO Circuit is OK See next Page to check ANT SW Mobile SW Yes Check Pin 4 Refer to Graph 4 1 a 2 75V OK No Yes Changing X400 Check U101 1608 X400 2 GND 3 OUT VCC 4 VCONT 1 26MHz C443 2 2u C442 NA 1000p C441 2V75_VVCXO 15K R415 100 R414 AFC TEST POINT CIRCUIT Waveform Graph 4 1 a Graph 4 1 b Checking Flow ...

Page 56: ...6 GND5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 FL400 HWXQ511 270p C440 270p C439 ANT_SW1 ANT_SW2 FEM Control GSM DCS EGSM Graph 4 2 a TEST POINT CIRCUIT Waveform ...

Page 57: ...rt Yes Changing SW400 For these 2 test case No Call connection is needed No No Changing the Board Check RF Level of FL400 FEM Mobile SW is OK See next Page to check Rx IQ Signal Pin10 11 62dBm Pin 12 13 63dBm No Changing FL400 Yes No For this RF Level test case RX Stand alone Mode is needed Pin 14 15 63dBm Checking Flow Table 4 2 Select Mode Vc EGSM Vc DCS PCS EGSM Rx Low Low EGSM Tx High Low DCS ...

Page 58: ...oad software and calibration again Similar Replace U401 Yes No Check C423 C426 Check if there is any Major difference Refer to graph 4 4 8 OUT BIN 7 BIP 4 BQN 5 BQP 6 C426 39p 39p C423 IN IP QN QP TEST POINT Checking Flow Waveform CIRCUIT Graph 4 4 ...

Page 59: ...4 2 TX Trouble 4 TROUBLE SHOOTING 60 SKY7477328 FEM 26Mhz OSCILLATOR SI4210 TEST POINT Figure 4 2 ...

Page 60: ...ing Flow START Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check TX IQ Check FEM Mobile SW Check PAM SIGNAL ...

Page 61: ...o check ANT SW Mobile SW VCTCXO Circuit is OK See next Page to check ANT SW Mobile SW Yes Check Pin 4 Refer to Graph4 6 a 2 75V OK No Yes Changing X400 Check U101 1608 X400 2 GND 3 OUT VCC 4 VCONT 1 26MHz C443 2 2u C442 NA 1000p C441 2V75_VVCXO 15K R415 100 R414 AFC TEST POINT CIRCUIT Waveform Checking Flow Graph 4 6 a Graph 4 6 b ...

Page 62: ... EGSM Graph 4 7 a TEST POINT CIRCUIT Waveform GPO_9 GPO_11 GND13 4 GND2 6 GND3 GND4 7 16 GND5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 FL400 HWXQ511 270p C440 270p C439 ANT_SW1 ANT_SW2 ...

Page 63: ...er to Graph4 6 a 4 6 b Rrefer to Table 4 3 Yes Check VC1 VC2 VC3 Check RF Level of FL400 PIN 8 for GSM Pin 5 for DCS Pin10 32 5dBm Pin 8 29 5dBm No Yes No Changing board Go to 4 3 5 Checking PAM control signal END For the test TX Stand alone Mode is needed PL 5 for GSM PL 0 for DCS Checking Flow Table 4 2 Select Mode Vc EGSM Vc DCS PCS EGSM Rx Low Low EGSM Tx High Low DCS Rx Low Low PCS Rx Low Low...

Page 64: ...RAMP PA_EN Go to Next Step Similar Download S W Check TX_RAMP and PA_EN Check if there is Any Major Difference or not Refer to Graph 4 8 Go to Next Step Similar Download S W Go to Next Step Similar Yes No Download S W Check if there is Any Major Difference or not Refer to Graph 4 TEST POINT Waveform Checking Flow CIRCUIT Graph 4 8 ...

Page 65: ...66 8 XOUT BIN 7 BIP 4 BQN 5 BQP 6 C426 39p 39p C423 IN IP QN QP Redownload the Software And calibrate Check if there is Any Major Difference Refer to Graph 4 9 Similar Yes No Replace U401 TEST POINT CIRCUIT Checking Flow Waveform Graph 4 9 ...

Page 66: ...C116 1u C113 2V75_VVCXO 1V8_VRTC VBAT 1u C122 1u C119 1u C114 10K R100 2V85_VSIM C115 0 1u A4 B4 VEXT2 T3 VMEM1 VMEM2 T2 VMIC N16 T7 VRTC VSIM T6 E15 VUSB VVCXO D16 VAPPGATE T4 VBACK VCORE1 P1 N1 VCORE2 VEXT1 H16 VABB VAPP F16 E16 VUSB 2V5_VMIC 2V8_VMEM 2 2u C117 1V8_VCORE 2V75_VABB BACK_BATT TEST POINT CIRCUIT Figure 4 3 ...

Page 67: ...perly THE PHONE WILL POWER ON Charge or Change Battery Check the contact of power key Or dome switch Replace U101 VCORE 1 8V VVCXO 2 75V VMEM 2 8V VRTC 1 8V VEXT 2 8V VSIM 2 85V when sim card is inserted VABB 2 75V VMIC 2 5V Re download software The power on procedure is Completed The problem may be elsewhere Does it work properly Replace the main board YES YES YES YES YES NO NO NO NO NO NO Checki...

Page 68: ...0000268 GPIO 1 Charging IC R209 30K VCHARGE 4 5 _EN 3 _PPR VUSBIN ISL6299 U205 BAT 10 1 CRDL GND 8 9 ICDL IMIN 6 11 PGND USB 2 7 USBON _CHG R208 100K VBAT EVLC14S02050 VA201 10K R207 1u C219 100K R210 TP103 1u C217 10K R211 1u C218 CHG_EN CHG_STAT TEST POINT CIRCUIT ...

Page 69: ... soldered YES YES Voltage across R209 is about 1 2V YES Battery is charged YES Charging is properly operating NO NO NO NO Resolder the CN301 Pin 12 13 VCHARGE Pin1 18 19 20 21 22 GND Resolder the U205 Replace theU205 The battery may have problems Change the battery Checking Flow ...

Page 70: ...UBLE SHOOTING 71 4 5 Vibrator Trouble GPIO 3 VIBRATOR R202 0 VBAT R208 10K R203 47K CN201 1 2 VBAT 1SS352 TPH3_F D201 R206 100 R207 1 5K Q201 2 3 6 4 1 5 EMZ2 C206 4 7u VIBRATOR TEST POINT CIRCUIT Figure 4 5 ...

Page 71: ...tion of BB test menu Is the voltage at pin 6 of Q201 near 0V Yes Check soldering D201 Resolder D201 Vibrator will work properly Replace Vibrator Check the soldering of R202 Resolder R202 Replace Q201 No No Yes No Yes START Check connection vibrator Connect vibrator No Yes Checking Flow ...

Page 72: ...4 TROUBLE SHOOTING 73 4 6 LCD Trouble AIT811T EMI FILTER CN102 TEST POINT Figure 4 6 ...

Page 73: ...3 R106 47K 3V3_MULTI_USB 2V8_AMV 2V8_MV 0 1u C110 L_MAIN_LCD_CS C118 1000p VSYNCOUT C_RST I2S_SCK I2S_SDO MULTI_MIC_P LCD_IFMODE MULTI_USB MULTI_USB _WAIT 13MHz MULTI_MIC_N I2S_WS _N_WP N_IO 0 N_IO 1 N_IO 2 N_IO 3 N_IO 4 N_IO 5 N_IO 6 N_IO 7 MULTI_BYPASS R_B _N_RE _NAND_CS N_CLE N_ALE _N_WE C_CD06 C_CD07 C_VS CAM_PWR_EN C_SCK C_MCLK C_SDA C_PCLK C_HS DATA13 DATA14 DATA15 ADD01 _LCD_CS _RD _WR _MUL...

Page 74: ...Yes CN102 is soldered well No Re solder the CN102 Yes Paths of LCD control signals are OK AIT811T No Change the AIT811T Yes Paths of LCD control signals are OK EMI FILTER No Re solder the EMI FILTER Yes After changing the board LCD Display is OK No The board is broken Change the board Yes LCD Module is out of order Change the LCD Module Checking Flow ...

Page 75: ...GND4 NC 28 PCM_CLK 20 19 PCM_IN 17 PCM_OUT PCM_SYNC 18 1 PIO0 PIO1 2 7 PIO2 PIO3 U202 LBMA 2C67B2 C210 2 2u 3 4 VCC 5 U201 GND 2 1 A3 BYPASS GND B2 A1 VEN VIN C3 C1 VOUT TC7SH08FS U200 LP3985IBLX 2 8 22nH L200 GND2 IN OUT LFB212G45SG8A166 FL201 GND1 COM1 C3 COM2 A3 GND B1 IN1 C2 IN2 A2 NC1 C1 NC2 A1 NO1 C4 NO2 A4 B4 V 0 1u 2V8_VBT MAX4717EBC T U203 C211 15p 2V8_VBT C208 C200 0 01u C207 NA C205 1u ...

Page 76: ... Bluetooth No Replace U201 Is DEBUG_RX signal similar to Fig 2 during Powering on Bluetooth No Replace Headset Connect BT headset No Is RF Power level at Antenna Feeding about 0dBm Is RF Power level at Antenna Feeding about 0dBm Replace U202 Replace U202 Establish a call Is DEBUG_RX signal similar to Fig 4 10 b during Powering on Bluetooth No Replace U202 Are PCM_SYC8 PCM_TX USC3 signal similar to...

Page 77: ...4 TROUBLE SHOOTING 78 Graph 4 10 a BLUE RST Graph 4 10 b DEBUG_TX RX Graph 4 10 c PCM_SYNCS TX RX USC0 ...

Page 78: ...ouble 4 TROUBLE SHOOTING 79 TEST POINT CIRCUIT DIAGRAM Figure 4 8 C210 C211 SPOUT1L SPOUT1R J8 B8 SPOUT2L H8 SPOUT2R E8 TXOUT B7 EQ1L B5 J5 EQ1R A4 EQ2L EQ2R G6 EQ3L A5 H6 EQ3R B6 EXTIN C211 47p 47p C210 SPK_P SPK_N ...

Page 79: ...the state of contact of dual speaker Yes Check U202 works properly Reassemble speaker No No Yes C210 C211 are Well soldered Re solder C210 C211 No Re solder U202 Speaker working Yes Speaker Works properly No Change main board Checking Flow ...

Page 80: ... Card Interface Trouble TEST POINT CIRCUIT DIAGRAM SIM CONNECTOR GPIO 23 1000p C204 20K R201 5 VPP 3 CLK 4 GND 7 GND1 GND2 8 I_O 6 RST 2 VCC 1 J201 220n C201 C203 22p 2V85_VSIM C202 NA 2V85_VSIM SIM_CLK SIM_RST SIM_DATA Figure 4 9 ...

Page 81: ...card YES Voltage at pin1 of J201 is 2 85V NO YES NO Replace J201 or check soldering of components YES Voltage at VSIM of U101 Is 2 85V Change the SIM Card And try again Does it work Properly YES Change SIM Card Redownload SW Does it work Properly NO Change the main board NO YES SIM Card will be detected Checking Flow ...

Page 82: ...1 PG05DBTFC GND B1 IN1 C2 IN2 A2 NC1 C1 NC2 A1 NO1 C4 NO2 A4 V B4 MAX4717EBC T U304 COM1 C3 A3 COM2 VBAT VUSBIN C322 33u R304 30K R309 VCHARGE A1 C3 VIN C1 VOUT 100K LP3985IBLX 2 8 U300 A3 BYPASS B2 GND VEN C314 39p VUSBIN FL301 CM1204 03CP ESD_1 A1 A3 ESD_2 C1 ESD_3 C3 ESD_4 GND B2 1u C306 33u C307 0 1u C377 R322 100K 30K R308 18 19 2 20 21 22 3 4 5 6 7 8 9 CN301 HSEJ 18S04 25R 1 10 11 12 13 14 1...

Page 83: ...Equipment to echo mode Change the earphone and try again NO Can you hear your voice from the earphone YES Can you hear the sound from the earphone No Set the audio part of the test equipment to PRBS or continuous wave mode YES Voltage level check Of AUX_SPK_L AUX_SPK_R signal Replace CN301 YES NO Voltage level check Of AUX_MIC_P AUX_MIC_N signal Check U305 works properly YES Resoler components No ...

Page 84: ... 39p 39p 39p C140 C144 C146 39p EVLC14S02050 VA100 OUT100 39p VA101 EVLC14S02050 R195 0 0 R196 47p C139 39p 39p R110 4 7 C147 C141 27p SGND1 SGND2 R8 LGND DGND M2 GPI C2 N15 AOUT2P2 J16 AOUT3L K16 AOUT3R K15 AOUT1N J15 AOUT1P T9 AOUT2N1 R9 AOUT2N2 R11 AOUT2P1 T11 C142 47p C143 AUX_SPK_R AUX_SPK_L Figure 4 13 ...

Page 85: ...t the receiving volume of mobile as Max Replace the Main board ABB is out of order START Check the signal level of RCV_P RCV_N at R108 R110 Are these levels about 1 2V No Yes The receiver will work properly Check the soldering R108 R110 No Yes Re soldering R108 R110 Check the soldering receiver No Re solder the receiver Yes Checking Flow ...

Page 86: ...SE A5 VCHG VCORE1 P1 N1 VCORE2 VEXT1 H16 VABB VAPP F16 E16 NC_G16_VPLL_TE G16 R12 NC_R12 R1 A6 GATEDRIVE IBIAS T15 ISENSE A7 B7 CHGDACREF B5 CHGOSC CRST AIN1N R16 AIN1P P16 R15 AIN2N P15 AIN2P R13 AIN3L AIN3R R14 VUSB C3 COM1 A3 COM2 B1 GND C2 IN1 A2 IN2 C1 NC1 A1 NC2 C4 NO1 A4 NO2 B4 V 2V5_VMIC U100 MAX4684EBC_T 2V8_VMEM 1u C130 2 2u C117 1V8_VCORE VCHARGE 2V75_VABB VBAT MULTI_MIC_P MULTI_MIC_N M...

Page 87: ...t the receiving volume of mobile as Max Replace the Main board ABB is out of order START Check the signal level of RCV_P RCV_N at R108 R110 Are these levels about 1 2V No Yes The receiver will work properly Check the soldering R108 R110 No Yes Re soldering R108 R110 Check the soldering receiver No Re solder the receiver Yes Checking Flow ...

Page 88: ..._7pF C128 1000p D100 10M NA R105 C129 V3 NRESET OSCIN E9 C9 OSCOUT PWRON F9 NAUXCS1 V6 NGPCS1 T5 GPIO_42_NMAIN_LCD_CS N9 GPIO_43_NSUB_LCD_CS V7 GPIO_1_IRDA_RX L14 K16 GPIO_2_NIRDA_EN GPIO_0_IRDA_TX L18 N10 CLKON P13 CLKIN NA C131 DBB_CLKON BT_EN CHG_STAT CHG_EN _LCD_CS _MIDI_CS 13MHz Figure 4 15 BAT201 BACK_BATT ...

Page 89: ...4 TROUBLE SHOOTING 90 Is the voltage level of BAT201 1 2V START Change main board Charge or change BAT201 NO YES Check the voltage at 1 4 of X100 Resolder R105 or Replace X100 NO YES Checking Flow ...

Page 90: ...4 TROUBLE SHOOTING 91 4 14 Camera and Flash Trouble Camera Module U201 CN202 Figure 4 17 ...

Page 91: ...PHLCD_A0 PHLCD_BY C7 PHSYNC F5 PI2S_SCK H11 J10 PI2S_SDO G12 PI2S_WS PLCD0 M1 L2 PLCD1 M4 PLCD10 PLCD11 L5 D12 PGPIO6 PGPIO7 E11 PGPIO8 G9 F10 PGPIO9 B6 PHD0 PHD1 C1 PHD10 D5 E2 PHD11 PHD12 A7 PHD14 B7 E4 PHD15 PHD16 F1 F2 PHD17 C2 PHD2 PHD3 C3 PHD4 D1 A12 PGPIO19 H10 PGPIO2 PGPIO20 A11 C10 PGPIO21 PGPIO22 D9 B10 PGPIO23 PGPIO24 C9 D8 PGPIO25 A10 PGPIO26 PGPIO27 B9 C8 PGPIO28 PGPIO29 D7 PGPIO3 F11...

Page 92: ...s Go to the LCD Trouble Check power 1 8V No Yes Change U201 Check the 13MHz waveform No Yes Set the Camera button ON Check the C_PCLK Check the C_HS Check the C_VS No Resolder CN202 Yes Yes Check power U201 1V8_CAM No Change U103 Check U103 No Check CN202 soldering Yes Checking Flow ...

Page 93: ...5 DOWNLOAD AND CALIBRATION 94 5 DOWNLOAD AND CALIBRATION 5 1 Download A Download Setup Figure 5 1 describes Download setup Figure 5 1 Download Setup ...

Page 94: ...5 DOWNLOAD AND CALIBRATION 95 B Download Procedure 1 Run GSM Multi Download program and select Setting 2 Select Configuration from the menu and you may see this window ...

Page 95: ...5 DOWNLOAD AND CALIBRATION 96 3 Press key to select DLL file and press Open 4 Press key to select the mot files 5 Select AlchemyData mot and press open 6 Repeat step 4 5 to select CodeData mot KG320 dll ...

Page 96: ...5 DOWNLOAD AND CALIBRATION 97 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration Select Rate ...

Page 97: ...5 DOWNLOAD AND CALIBRATION 98 9 Press START to execute download 10 Once downloading is started press STOP button to keep from re downloading after downloading is completed ...

Page 98: ..._TX USC3 PCM_EN IO CONN DEBUG_TX DEBUG_RS Analog SW USB_PATH _SEL USB USB MULTI_USB MULTI_USB USC 0 6 VCHARGE USB PROTECTOR CHARGING IC ISL6299 VBUS_USB VBAT CUR_MON CHG_STAT CHG_EN SIM_CLK SIM_RST SIM_DATA KEYBACKLIGHT CHARGE PUMP AAT2806 C_FLASH LCD_DIMM _CTRL CAM_FLASH MLED 1 4 N_IO 0 7 NAND_CS _WE _RE _ALE _CLE _RB I2S_SDO I2SSCK I2S_WS D 0 15 A 1 _MULTI_CS _MULTI_RST _WR _RD MULTI_BYPASS MAIN...

Page 99: ... 100 ...

Page 100: ... VMEM5 N11 VSIM VSSRTC A9 VSSUSB P10 USC5 M13 USC6 VCC1 C12 F8 VCC2 VCC3 H6 J11 VCC4 VCC5 L9 VCC6 M6 VCC7 M14 VCC8 P14 A8 VDDRTC VDDUSB V8 VEXT1 1 D16 F12 VEXT1 2 F14 VEXT1 3 VEXT1 4 K11 VEXT1 5 P8 P5 NRD V3 NRESET NROMCS1 N8 V2 NWAIT NWE R4 OSCIN E9 C9 OSCOUT PWRON F9 T10 SIMCLK SIMDATAIO V10 USC0 N18 USC1 N14 USC2 M16 N13 USC3 USC4 M18 L16 F13 A14 KEYPADCOL1 KEYPADCOL2 C14 C13 KEYPADCOL3 KEYPADC...

Page 101: ...C8 B5 B6 NC9 RY__BYF E5 RY__BYN C1 H9 VCCF1 NC14 C2 C9 NC15 C10 NC16 D10 NC17 E10 NC18 NC19 F5 A2 NC2 F6 NC20 NC21 G5 G6 NC22 NC23 G8 K6 NC24 NC25 L1 NC26 L2 L3 NC27 NC28 L4 J8 DQ7 DQ8 K3 DQ9 H4 L6 IO1 L7 IO2 IO3 L8 L9 IO4 K9 IO5 K10 IO6 J10 IO7 H10 IO8 A1 NC1 B7 NC10 NC11 B8 B9 NC12 B10 NC13 ALE J1 CE2PS D6 CLE H1 J3 DQ0 G4 DQ1 DQ10 J4 DQ11 K5 J7 DQ12 DQ13 H7 DQ14 K8 H8 DQ15 K4 DQ2 H5 DQ3 DQ4 H6 ...

Page 102: ...0 G2 INOUT_A1 1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 R305 100 2V5_VMIC 0 1u C377 R322 100K D304 PG05DBTFC 30K R308 2V6_JACK C301 10u R319 12K 18 19 2 20 21 22 3 4 5 6 7 8 9 CN301 HSEJ 18S04 25R 1 10 11 12 13 14 15 16 17 VA302 EVLC14S02050 VUSBIN 2V8_VEXT 2V6_JACK 0 1u C305 U307 DG3000DB COM A2 B3 GND B1 IN A3 NC NO A1 V B2 G1 G2 1 2 3 G2 10 1 INOUT_A1 2 INOU...

Page 103: ...D4 7 16 GND5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 RF2V8 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 1 8p FL400 HWXQ511 C433 270p C440 0 R418 2V75_VVCXO C411 10p SCLK SDIO 3 12 VDD1 VDD2 13 28 VDD3 VDD4 29 VIO 11 XDIV 26 XEN 32 25 XMODE 8 XOUT 31 XTAL1 30 XTAL2 9 _PDN _RESET 10 _SEN 2 BIN 7 BIP...

Page 104: ... 39p R115 130 LD101 SSC TWH104 HL LD102 SSC TWH104 HL 8 2 2K 5 R104 0 1 C105 39p SEND SEL UP VBAT 9 6 130 R114 R106 130 C112 1000p 1000p C113 1u 2 VBAT C101 SHARP R111 130 130 R110 3 RPWRON OK C107 R101 10K 1000p 1000p 680 C110 R102 1000p C109 39p C118 R107 130 R113 130 1000p C114 C117 39p R122 0 0 R121 SSC TWH104 HL LD100 SSC TWH104 HL SSC TWH104 HL LD109 SSC TWH104 HL LD105 SSC TWH104 HL LD106 L...

Page 105: ...O0 GND_IO1 H5 F8 GND_IO2 GND_IO3 B3 PCONFIG0 K9 F12 PCONFIG1 PCONFIG2 G11 G4 PD0 PD1 H1 H2 PD2 PD3 G5 PD4 H4 PD5 J1 J2 PD6 STBY 1 3 VIN VOUT 4 U103 AIT811T K12 AVDD AVSS K11 BH33FB1WHFV U102 6 BGND 2 GND NC 5 C113 2V8_MV 1u 1u C116 R114 C119 1u 100K C120 5 6 7 8 9 1u 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 4 1 10 11 12 13 14 15 16 17 18 19 2 20 ENBY0025701 CN102 G1 5 G2 10 INOUT_A1 1 2 INOUT_A...

Page 106: ... EQ2R G6 EQ3L A5 H6 EQ3R G7 EXC B6 EXTIN EXTOUT D7 D6 GPIO0 GPIO1 C5 GPIO2 C1 C4 GPIO3 F6 HPC C8 BBL BBR E7 D2 BLCK CLKI G5 H2 D0 G3 D1 G2 D2 D3 F3 G1 D4 D5 F2 D6 E3 D7 E2 DVDD1 J4 A2 DVDD2 F1 DVDD3 J3 DVSS1 DVSS2 5 VPP YMU787 U202 A0 G4 AVDD G8 F8 AVSS E6 3 CLK 4 GND 7 GND1 GND2 8 I_O 6 RST 2 VCC 1 VBAT CN201 1 2 J201 FB202 R216 4 7K VBAT MIDI_IRQ 220n C201 C205 C224 0 1u 100p 1u C226 1SS352 TPH3...

Page 107: ... 108 8 PCB LAYOUT ...

Page 108: ... 109 8 PCB LAYOUT ...

Page 109: ... 110 8 PCB LAYOUT ...

Page 110: ... 111 8 PCB LAYOUT ...

Page 111: ... 112 8 PCB LAYOUT ...

Page 112: ... 113 8 PCB LAYOUT ...

Page 113: ... 114 ...

Page 114: ...ration 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 9 ENGINEERING MODE Engineering Mode BB Test RF Test MF Mode Trace option Call Timer LCD CAMERA BACKLIGHT BUZZER VIBRATOR ADC BATTERY AUDIO DAI BLUETOOTH SAR Test All Auto Test BACKLIGHT BUZZER VIBRATOR LCD KE...

Page 115: ...klight and Keypad EL 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 menu is to test the melody sound 1 Melody on Melody sound is playe...

Page 116: ...nu for setting the control register of Voiceband Baseband Codec chip Although the actual value can be written over it returns to default value after switching off and on the phone 1 VbControl1 VbControl1 bit Register Value Setting 2 VbControl2 VbControl2 bit Register Value Setting 3 VbControl3 VbControl3 bit Register Value Setting 4 VbControl4 VbControl4 bit Register Value Setting 5 VbControl5 VbC...

Page 117: ...Vibrator Buzzer Key Pad Mic Speaker 9 3 2 Backlight LCD Backlight is on for about 1 5 seconds at the same time then off 9 3 3 Buzzer This 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 9 3 4 Vibrator Vibrator is on for about 1 5 seconds 9 3 5 LCD 1 LCD Main LCD screen resolution tests horizontally and vertically on...

Page 118: ...r cannot reset this value 2 Reset settings This resets 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 2 Se...

Page 119: ...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 directly input the values C...

Page 120: ...LONE TEST 121 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 10 1 HW test program ...

Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...

Page 122: ...memory in GSM phone B Equipment List C Equipment Setup Figure 11 2 Equipment Setup 11 AUTO CALIBRATION Equipment for Calibration Type Model Brand 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 II class abo...

Page 123: ...Source Description Power Supply Usually 4 0V Travel Adaptor Use TA name is TA 20G 24pin Table 11 2 Jig Power Switch Number Name Description Switch 1 ADI REMOTE In ON state phone is awaked It is used ADI chipset Switch 2 TI REMOTE In ON state phone is awaked It is used TI chipset Switch 3 VBAT Power is provided for phone from battery Switch 4 PS Power is provided for phone from Power supply Table 1...

Page 124: ...nect as Fig 11 2 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Run Hot_Kimchi exe to start calibration 3 From the Calibration Lib menu Select F3000 then Press APPLY LED Number Name Description LED 1 Power Power is provided for Test Jig LED 2 TA Indicate charging state of the phone battery LED 3 UART Indicate data transfer state through the UART port L...

Page 125: ...ION 126 4 Press Calibration START 5 Select RF Cable Loss value from the Offset menu 6 Press START to execute calibration 5 6 KG220 dfasdf 4 KG320 KG230 This model is KG320 Test band GSM900 DCS 1800 PCS 1900 Max target ...

Page 126: ... You can get main Battery Config Table and temperature Config Table 11 5 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 6 How to do calibration B Connect Ag8960 equipment and Power Supply and phone C Set correct port and baud rate D Press Start but...

Page 127: ... 128 ...

Page 128: ... 129 13 11 10 9 8 7 6 5 30 31 20 14 15 16 17 18 19 21 32 12 22 23 24 25 26 27 28 29 4 3 2 1 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 EXPLODED VIEW ...

Page 129: ... 130 ...

Page 130: ...MPBH00 PAD MIKE MPBH0022201 KG320 PAD MIKE 3 MTAB00 TAPE PROTECTION MTAB0099201 KG 320 TAPE PROTECTION CAMERA KEY 3 MTAB01 TAPE PROTECTION MTAB0108501 KG320 TAPE_PROTECTON KEYPAD 3 MTAB02 TAPE PROTECTION MTAB0108601 KG320 TAPE_PROTECTION_WINDOW 3 MTAB03 TAPE PROTECTION MTAB0121801 TAPE PROTECTON WINDOW_INNER 3 MTAD00 TAPE WINDOW MTAD0049801 KG320 TAPE WINDOW 3 MWAC00 WINDOW LCD MWAC0065201 KG320 W...

Page 131: ...SM FIXED SNGF0014701 8 0 1 4 0 dBd GSM900 DCS1800 PCS1900 INTERNAL PIFA TYPE Pb Free 11 3 SUSY00 SPEAKER SUSY0022301 ASSY 8 ohm 88 dB 15 mm 10mm 4 2T 6 2 GMZZ00 SCREW MACHINE GMZZ0017701 1 4 mm 3 0 mm MSWR3 N Silver 32 2 MCCF00 CAP MOBILE SWITCH MCCF0033801 KG320 CAP MOBILE SWITCH Black 26 2 MLAK00 LABEL MODEL MLAK0018901 Model Label CIS 2 SACY00 PCB ASSY FLEXIBLE SACY0043601 KG320 EUA_KEY PAD Bla...

Page 132: ...12 EXPLODED VIEW REPLACEMENT PART LIST 133 Level Location No Description Part Number Specification Color Remark 5 MIDZ00 INSULATOR MIDZ0094701 KG320 INSULATOR SUB PCB ...

Page 133: ...143 1 nF 50V K X7R HD 1005 R TP 5 C115 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 5 C116 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 5 C117 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 5 C118 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 5 LD100 DIODE LED CHIP EDLH0011901 WHITE 1608 R TP PB FREE ZENER 5 LD101 DIODE LED CHIP EDLH0011901 WHITE 1608...

Page 134: ...5 R119 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R120 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R121 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R122 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R123 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R124 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R125 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 5 R126 RES CHIP ERHY0000201 0 ohm 1 ...

Page 135: ...CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP 5 C113 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 5 C114 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 5 C115 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 5 C116 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 5 C117 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 5 C118 CAP CERAMIC CHIP ECC...

Page 136: ...CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 5 C205 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 5 C208 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 5 C209 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 5 C210 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 5 C211 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 5 C212 CAP CERAMIC C...

Page 137: ... TP 5 C323 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 5 C377 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 5 C400 CAP CERAMIC CHIP ECCH0000393 22 uF 6 3V M X5R HD 2012 R TP 5 C401 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 5 C402 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 5 C403 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 5 C404...

Page 138: ...P ECCH0000143 1 nF 50V K X7R HD 1005 R TP 5 C438 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 5 C439 CAP CHIP MAKER ECZH0001116 270 pF 50V K X7R HD 1005 R TP 5 C440 CAP CHIP MAKER ECZH0001116 270 pF 50V K X7R HD 1005 R TP 5 C442 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 5 C443 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 5 C444 CAP CERAMIC CHIP ECCH0006201 4...

Page 139: ...EMI_ESD Filter 100Ohm 15pF Pb free 5 FL400 FILTER SEPERATOR SFAY0005602 900 1800 1900 2 7 dB 3 0 dB 30 dB 30 dB ETC 5 6 4 5 1 4 TRIPLE FEM 5 L200 INDUCTOR CHIP ELCH0004711 22 nH J 1005 R TP 5 L402 INDUCTOR CHIP ELCH0009106 6 2 nH J 1005 R TP coil type 5 L403 INDUCTOR CHIP ELCH0001408 6 8 nH J 1005 R TP Pb Free 5 L404 INDUCTOR CHIP ELCH0004711 22 nH J 1005 R TP 5 L410 INDUCTOR CHIP ELCH0005002 2 7 ...

Page 140: ...30K ohm 1 16W J 1005 R TP 5 R305 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 5 R306 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 5 R307 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 5 R308 RES CHIP ERHY0000269 30K ohm 1 16W J 1005 R TP 5 R309 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 5 R317 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 5 R318 RES CHIP ERHY0000262 12K ohm 1 16W J 1005 ...

Page 141: ...R TP 2 INPUT AND GATE Pb Free 5 U202 IC EUSY0239102 6 9 7 9 1 5 mm 28 PIN R TP Bluetooth Module v1 2 26MHz For GSM 5 U203 IC EUSY0163901 uCSP 10 PIN R TP Dual Analog Switch 300MHz Bandwidth 5 U204 IC EUSY0290601 BGA 107 PIN R TP P FBGA 128 128 64 1G 9 12 1 4t BOTTOM TOP BOOT Pb Free 5 U205 IC EUSY0254701 DFN 3 3 0 9 10 PIN R TP Charger IC I Max 1A Wall Adaptor USB Charger 5 U300 IC EUSY0133905 Mic...

Page 142: ...MT BOTTOM SAJC0009901 KG320 EUA_SUB PCB Black 6 BAT201 BATTERY CELL LITHIUM SBCL0001701 2 V 0 5 mAh CYLINDER Reflow type BB Max T 1 67 phi 4 8 Pb Free 6 C101 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C102 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C103 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C104 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC...

Page 143: ...06 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C207 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C208 CAP CERAMIC CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP 6 C209 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 C210 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C211 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C214 CAP CERAMIC CHIP E...

Page 144: ...L105 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL106 FILTER EMI POWER SFEY0011101 SMD 4 ch ESD protection 1608 size 0ohm 18V 30pF 6 FL107 FILTER EMI POWER SFEY0011101 SMD 4 ch ESD protection 1608 size 0ohm 18V 30pF 6 FL108 FILTER EMI POWER SFEY0011101 SMD 4 ch ESD protection 1608 size 0ohm 18V 30pF 6 FL109 FILTER EMI POWER SFEY0011101 SMD 4 ch ESD protectio...

Page 145: ...005 R TP 6 R222 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R223 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R299 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 U101 IC EUSY0154410 MLF 10 PIN R TP Dual 1 8V 150mA 2 8V 300mA LDO Regulator 6 U102 IC EUSY0223003 HVSOF5 5 PIN R TP 150mA CMOS LDO WITH OUTPUT CONTROL 3 3V 6 U103 IC EUSY0265202 BGA 8 8 140 PIN R TP 3M Camera TV Out NAND I F Mult...

Page 146: ...SBPL0082801 3 7 V 600 mAh 1 CELL PRISMATIC KG320 Aegis BATT Pb Free 15 2 SGDY00 DATA CABLE SGDY0010901 LG US03K 18pin USB DataCable 2 SGEY00 EAR PHONE EAR MIKE SET SGEY0005516 GSM FORDER KG320 C2EAR PHONE 2 SSAD00 ADAPTOR AC DC SSAD0021304 100 240V 5060 Hz 4 8 V 0 9 A CB CE GOST 18pin plug 2 ADAPTOR AC DC SSAD0021301 100 240V 5060 Hz 4 8 V 0 9 A CB CE GOST 2 ADAPTOR AC DC SSAD0021302 100 240V 5060...

Page 147: ...Note ...

Page 148: ...Note ...

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