LG Prada KE850 Service Manual Download Page 84

Page: 84 / 173

5. Trouble shooting

- 85 -

5.6 Receiver & Speaker trouble

Check Points

- Speaker pin contact

- Audio amp soldering

- analog switch soldering

1B0

1B1

2B0

2B1

GND

VCC

FSA2267AL10X

U103

0.1u

C121

R140

R141

R116

100K

2V85_IO

MIDI_R

HEADSET_R

HEADSET_L

DSR

SNDOUT_L

SNDOUT_R

MIDI_L

0.1u

2B1

GND

VCC

C126

FSA2267AL10X

1B0

1B1

2B0

U105

2V85_IO

100K

R122

AMP_IN_L

AMP_IN_R

MIDI_R

FM_L

MIDI_L

FM_R

FM_SND_SEL

(1005)

AUDIO AMP

47K

R233

C230
1u

2V85_IO

C235

220n

PLL_VDD

R3D_IN

R3D_OUT

RHP

RLS+

RLS-

R_IN

SCL_SCK

SDA_SDI

VDD_I_O

I2S_SDI

B2
A3

I2S_WS

L3D_IN

L3D_OUT

LHP

LINEOUT

LLS+

LLS-

L_IN

MCLK

MODE

M_IN

PLL_GND

PLL_IN
PLL_OUT

ADDR_ENB

AGND1

AGND2

AGND3

AVDD1

AVDD2

AVDD3

BYPASS

CHP

DGND

DVDD

EP+

EP-

GPIO

I2C_VDD

I2S_CLK

U205

LM4934ITL

R230

2V85_IO

C238

220n

C249

2.2u

0.1u

C233

2V85_IO

L202

100nH

L201

100nH

C236

220n

C234
0.01u

TP202

39p

C247

C241

220n

R227

C232
1u

C243

C248

39p

0.1u

C228

C226

TP203

C231
0.1u

C244
NA

2V72_IO

100K

R234

FB203

R228

C227

R229

430

C250
1u

R232

47K

TP201

C229
0.1u

3V3_AMP

SPK_N

SPK_P

MCLK_ATI

HSO_R

HSO_L

26M_DAC

I2S_WS

I2S_SDO

I2S_CLK

AMP_IN_R

AMP_IN_L

SDA

SCL

Check signal flow via Inductor

Check Audio amp, In output signal

Check the analog switchs

Summary of Contents for Prada KE850

Page 1: ...Date March 2007 Issue 1 0 Service Manual Model KE850 Service Manual KE850 ...

Page 2: ...rthermore LGE Inc reserves the right without notice to make changes to equipment design as advances in engineering and manufacturing methods warrant This manual provides the information necessary to install program operate and maintain the KE850 REVISED HISTORY Editor Date Issue Contents of Changes S W Version Y W YUN 10 23 0 1 ...

Page 3: ... 4 ...

Page 4: ...part 66 3 24 RF synthesizer 67 3 25 VCTCXO 67 3 26 Front End Module control 68 3 27 Power Amplifier Module 69 3 28 Mode Selection 70 3 29 PAM Schematic 70 4 PCB layout 71 4 1 Main Sub PCB component placement 71 5 Trouble shooting 75 5 1 Trouble shooting test setup 75 5 2 Power on Trouble 75 5 3 Charging trouble 79 5 4 LCD display trouble 81 5 5 Camera Trouble 83 5 6 Receiver Speaker trouble 85 5 7...

Page 5: ... 6 ...

Page 6: ... 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 done C Changes in Service A local telephone company...

Page 7: ...ent medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contains 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 8: ...li watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory EGPRS Enhanced General Packet Radio Service EL Electroluminescence ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum Shift Keying GPIB General Purpose Interface Bus GPRS General Packet Radio Service GSM Global System for Mobile Communications IPUI International Portabl...

Page 9: ...ot Mean Square RTC Real Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory 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 O...

Page 10: ... 30 29dBm PL 0 GPRS compatibility Class 10 SIM card type 3V Small Display 240 400 pixels 3 inch WQVGA 265K color TFT Soft icons 0 9 Scroll Send End Clear Key are implemented by touchpad Status Indicator CLEAR SEND END PWR MP3 AF Camera double action Volume Up Volume Down Lock ANT Built in antenna EAR Phone Jack 18pin multi port Headset jack with Remote controller PC Synchronization Yes Speech codi...

Page 11: ...egrees 3 Frequency Error 0 1ppm GSM900 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 DCS1800 PCS1900 Level Power Toler Level Power Toler 0 30 dBm 2dB 8 14 dBm 3dB 1 28 dBm 3dB 9 12 dBm 4dB ...

Page 12: ...60 1 800 3 000 63 3 000 6 000 65 5 Output RF Spectrum 6 000 71 due to modulation DCS1800 PCS1900 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 GSM900 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 13: ...ER Class II 2 439 102dBm DCS1800 PCS1900 BER Class II 2 439 100dBm 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 betwee...

Page 14: ...ity 800mA 180 min EGSM Lvl12 Battery Capacity 800 mA 320min Under conditions at least 300 hours 1 Brand new and full 800mAh battery 22 Standby Time 2 Full charge no receive send and keep GSM in idle mode 3 Broadcast set off 4 Signal strength display set at 3 level above 5 Backlight of phone set off At least 65 dB under below conditions 23 Ringer Volume 1 Ringer set as ringer 2 Test distance set as...

Page 15: ... 85V 2 3 75V 3 69V 1 3 69V 3 62V 0 3 62V 27 Low Voltage Warning 3 62V 0 05V Call 3 50V 0 05V Standby 28 Forced shut down Voltage 3 35 0 05 V Li ion Battery 29 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 800mAh Switching mode charger 31 Travel Charger Input 100 240 V 50 60Hz Out put 4 8 0 9A ...

Page 16: ...9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 5 Power Level 12 19dBm 3dB DCS1800 PCS1900 Level Power Toler Level Power Toler 0 26 25dBm 3dB 8 14 dBm 3dB 1 26dBm 3dB 9 12 dBm 4dB 2 26dBm 3dB 10 10 dBm 4dB 3 24 dBm 3dB 11 8 dBm 4dB 4 22 dBm 3dB 12 6 dBm 4dB 5 20 dBm 3dB 13 4 dBm 4dB 6 18 dBm 3dB 14 2 dBm 5dB 7 16 dBm 3dB 15 0 dBm 5dB 6 Output RF Spectrum GSM900 EGSM due t...

Page 17: ...arrier kHz Max dBc 100 0 5 200 30 250 33 400 54 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 7 Output RF Spectrum GSM900 EGSM due to switching transient Offset from carrier kHz Max dBm 400 23 600 26 1 200 27 1 800 30 DCS1800 PCS1900 Offset from carrier kHz Max dBm 400 23 600 26 1 200 27 1 800 30 ...

Page 18: ...omponent Block diagram KE850 is composed with 2 different PCB part such as main PCB sub PCB The functional component arrangement is mentioned below diagram 3 TECHNICAL BRIEF Figure 1 KE850 Hardware architecture Figure 2 KE850 Functional block diagram ...

Page 19: ...such as camera software MIDI MP3 sound It is designed as a single chip solution integrating the digital and mixed signal portions of the base band in 0 13um 1 5V technology The chip will fully support the FR EFR HR and AMR NB vocoding S GOLD2TM support multi slot operation modes HSCSD up to class 10 GPRS for high speed data application up to class 12 and EGPRS up to class 12 without additional ext...

Page 20: ...nnected by powerful buses Multi layer AHB for connecting the ARM and the other master capable building blocks with the internal and external memories and with the peripheral buses Clock system The clock system allows widely independent selection of frequencies for the essential parts of the S GOLD2 Thus power consumption and performance can be optimized for each application Functional Hardware blo...

Page 21: ...rface e g connection to S M power A fast display interface supporting serial and parallel interconnection An ITU R BT 656 compatible Camera interface Programmable clock output for a camera An multimedia Secure Digital Card Interface MMCI SD SDIO capable 3 2 3 External Devices connected to memory interface Table 1 Memory interface 3 2 4 RF Interface T_OUT S Gold2 uses this interface to control RF I...

Page 22: ... Name Remark USART0_TXD TXD_0 Transmit Data USART0_RXD RXD_0 Receive Data USART0_CTS CTS_0 Clear To Send USART0_RTS RTS_0 Request To Send DSR N C USART_1 USART2 USART1_TXD TX_DEBUG Trace data tx USART1_RXD RX_DEBUG Trace data rx USART1_CTS KEYBACKLIGHT KEYBACKLIGHT USART1_RTS TF_PWR_EN TF_PWR_EN ADC channel Resource Interconnection Description M0 BATT_TEMP Battery temperature measure M1 RF_TEMP RF...

Page 23: ...2 KP_IN2 KP_IN3 KP_IN3 KP_IN4 KP_IN4 KP_IN5 KP_IN5 GPIO_06 FM_SND_SEL Output Analog S W Control FM Radio and Sound KP_OUT0 KP_OUT0 KP_OUT1 KP_OUT1 USART0_RXD RXD_0 UARTO RS232 Data USART0_TXD TXD_0 UARTO RS232 Data USART0_RTS_N CTS_0 UARTO RS232 RTS USART0_CTS_N RTS_0 UARTO RS232 CTS CC1CC6IO FM_INT For FM Radio Interrupt USART1_RXD RX_DEBUG For debugging RX USART1_TXD TX_DEBUG For debugging TX GP...

Page 24: ... Not Use CC0CC5IO HOOK_DETECT Headset Hook Detection Input High Detect Pressed GPIO_89 DIF_BYPASS Output Low in LCD Bypass Mode High in Active Mode GPIO_113 DSR Not Used CIF_RESET MM_RESET0 ATI Reset DIF_D0 MM_AD8 ATI Chip Address DIF_D1 MM_AD9 DIF_D2 MM_AD10 DIF_D3 MM_AD11 DIF_D4 MM_AD12 DIF_D5 MM_AD13 DIF_D6 MM_AD14 DIF_D7 MM_AD15 MM_CS0 MM_CS0 ATI Chip Select GPIO_96 VMM_SHDN For ATI Shutdown M...

Page 25: ... Encoding GPIO_102 Not Use I2S2_RX Not Use I2S2_TX I2S2_TX For ATI MP3 Encoding I2S2_WA0 I2S2_WA0 I2S2_WA1 Not Use MMCI_CMD TF_CMD For T Flash MMCI_DAT 0 TF_DAT0 MMCI_CLK TF_CLK USIF_TXD_MTSR USIF_TXD For Bluetooth USIF_RXD_MRST USIF_RXD GPIO_109 _USB_EOC For Remote Power On Output High Enable GPIO_110 USB_CHG_EN For USB Charging Output High Stop Charging GPIO_111 SPK_RCV_EN For RCV SPK Select Out...

Page 26: ...For Speaker MICN1 MICN For Mic MICP1 MICP MICN2 HSMICN For Headset Mic MICP2 HSMICP VMICP VMICP For Mic VMICN VMICN M_0 BAT_ID M_1 RF_TEMP M_2 JACK_TYPE For 18Pin CableType Detect M_7 HW revision indication M_8 Battery voltage measurement M_9 LOAD M_10 REMOTE_ADC For Remote Control Headset TDO TDO For JTAG ETM Interface TDI TDI TMS TMS TCK TCK TRST_n TRSTn RTCK RTCK ...

Page 27: ... 0 PIPESTAT 0 TRACEPKT 0 TRACEPKT 0 TRACEPKT 1 TRACEPKT 1 TRACEPKT 2 TRACEPKT 2 TRACEPKT 3 TRACEPKT 3 TRACEPKT 4 TRACEPKT 4 TRACEPKT 5 TRACEPKT 5 TRACEPKT 6 TRACEPKT 6 TRACEPKT 7 TRACEPKT 7 EBU_AD 0 EBU_AD 1 EBU_AD 2 EBU_AD 3 EBU_AD 4 EBU_AD 5 EBU_AD 6 EBU_AD 7 EBU_AD 8 EBU_AD 9 EBU_AD 10 EBU_AD 11 EBU_AD 12 EBU_AD 13 EBU_AD 14 EBU_AD 15 EBU_WR_n ...

Page 28: ... EBU_A 10 EBU_A 11 EBU_A 12 EBU_A 13 EBU_A 14 EBU_A 15 EBU_A 16 EBU_A 17 EBU_A 18 EBU_A 19 EBU_A 20 EBU_A 21 EBU_A 22 EBU_A 23 EBU_A 24 EBU_CS0_n CS_Flash1n For INTEL 1st 512Mbit NOR Die EBU_CS1_n CS_RAM1n For INTEL 256 SDRAM EBU_CS2_n CS_Flash2n For INTEL 2nd 512Mbit NOR Die EBU_CS3_n CS3n Not used EBU_ADV_n EBU_RAS_n EBU_CAS_n ...

Page 29: ...F T_OUT3 VC2 T_OUT4 VC3 EINT3 VC4 T_OUT6 MODE For RF GPIO_50 TP_ATTN For Touch Panel GPIO_51 LCD_ID Hitachi L CC1CC3IO LCD BACKLIGHT LCD Backlight Control CC1CC7IO JACK_DETECT For Headset Detect GPIO_54 RST_FM For FM Radio GPIO_55 Not used RF_STR0 EN For RF GPIO_57 TFLASH_DETECT Input Low Detect RF_DATA DA For RF RF_CLK CLK AFC AFC For RF CLKOUT0 26MHz Not Use ...

Page 30: ...mory interface External Bus Unit Support of S GOLD standby power down concept Low drop out LDO regulators for Flash and mobile RAM memory devices Voltage independent switching of two SIM cards LDO regulators for baseband I O supply LDO regulator for analog mixed signal section of S GOLD Low noise LDO regulators for RF devices Supply for Bluemoon Single Infineon s single chip solution for Bluetooth...

Page 31: ...oltage Fully controlable by software via I2C Bus Temperature and battery voltage sensors Interrupt channels for peripherals System debug mode VQFN 48 package with heat sink and non protruding leads Compatible with the Infineon E GOLD V2 and V3 Figure 4 Top level block diagram of the SM Power PMB6812 ...

Page 32: ...to drive loads down to a nominal value of 8 Ohm for usage in hands free phones and for ringing 400 mW maximum output power adjustable gain mute switch click and pop protection SM POWER also integrates a charging function for Li Ion Li Polymer batteries Pre charge current source with two current levels Constant current constant voltage charging with 3 different termination voltages Programmable cha...

Page 33: ...mperature Warning Support of S GOLD standby power down concept Support of S GOLD Power Down Pad Tristate Function Table 6 LDO Output Table of SM Power LDO Net name Output Voltage Output Current Usage SDBB 1V8_MEM 1 8V 850mA Memory for LDO LRFC 1V5_RF 1 5V 120mA RF transceiver LBB1 1V5_DSP 1 5V 170mA DSP in BBP LBB2 1V5_CORE 1 5V 300mA ARM core in BBP LINT 2V72_IO 2 72V 135mA Peripherals LSIM 2V85_...

Page 34: ... 2 2u C224 0 1u 1V5_Core C210 C207 2V72_IO 0 1u C205 2 2u 2 2u 2 2u C203 C228 USB_VBUS 2 2u VSSAU 27 8 VSSFB VSSPW 7 33 VSSR 10 VUPU 11 VUSB VRF2V7 2 2u C206 46 VDDC VDDCH 43 5 VDDPW VDDRF 39 13 VIB 21 VINT VLBB1 45 VLBB2 47 20 VMMC 40 VRF1 38 VRF2 VRF3 37 3 VRFC 42 VRTC VSIM1 18 VSIM2 19 ON 4 RESETQ 48 SCL 23 24 SDA SLED1 15 SLED2 14 SW 6 VANA 34 2 VBATS VBUS 12 44 VCHC VCHS 1 VCXOEN 36 35 VDDA 3...

Page 35: ...tect voltage 4 0V 3 Charging time 3h 4 Charging current 500mA 5 CV voltage 4 2V 6 Cutoff current 100mA 7 Full charge indication current icon stop current 100mA Charging Battery Connector VBAT R219 100K VCHG R220 47mohm C229 10u G1 G2 1 2 3 CN201 C235 33u 2 2K R223 GND 2 3 IOUT LOAD 5 1 NC VIN 4 U205 ZXCT1010E5TA C233 27p R225 0 15 VSUPPLY 2 1 D3 3 G 4 S1 6 S2 NDC652P Q203 5 D1 D2 VBAT C231 2 2u C2...

Page 36: ...V 12 Charging temperature adc range a 5 C low charging voltage operation 3 6V 3 9V b 5 C 50 C standard charging up to 4 2 V c 50 C low charging voltage operation 3 6V 3 9V 3 4 Power ON OFF KE850 Power State Defined 3cases as follow Power ON Power key detect SM Power s ON port Power ON charging Charger detect Power ON remote remote power on detect Factory use only Figure 8 Power on application ...

Page 37: ... does not reach VIHdet Vbat 0 8 Vbat 0 3 the above mentioned bit won t be set To support Remote power on function for factory mass production applied an analog switch as following figure As monitoring the RPWRON GPIO_109 and Key matrix KP_OUT 1 KP_IN 5 KE850 system recognize whether remote power on or End key pushed Remote Power On 100K R218 VBAT 9 1 1B0 2 1B1 8 1S 6 2A 2B0 3 2B1 4 7 2S GND 5 VCC ...

Page 38: ...nicate with BBP S Gold2 and the SIM power supply enabled by BBP _SIM_EN SIM Interface SIM_CLK SIM card reference clock SIM_RST SIM card Async sync reset SIM_IO SIM card bidirectional reset Figure 10 SIM CARD Interface J201 CLK 3 4 GND I_O 6 RST 2 1 VCC 5 VPP 10K R224 0 1u C237 Q202 D G S SI1305 E3 C236 22p 150p C238 VA201 2V85_SIM SIM_CLK SIM_IO SIM_RST SIM_EN_n ...

Page 39: ...2 J7 VCCQ3 VCCQ4 J8 C2 VSS1 K6 VSS10 VSS11 K7 K8 VSS12 VSS2 C3 C4 VSS3 C6 VSS4 VSS5 C7 C8 VSS6 K2 VSS7 VSS8 K3 K4 VSS9 F2 _D1_CS D7 D_VCC3 F_CLK K5 B6 F_DPD F_VCC1 D4 F_VCC2 D6 F_VCC3 J4 F_VCC4 J6 J1 F_VPP F_WAIT J9 D8 N_ALE E5 N_CLE N_RY__BY H1 G1 RFU H2 S_CS2 S_VCC D2 VCCQ1 J2 DQ8 M5 DQ9 L6 A1 DU1 A9 DU2 DU3 M1 M9 DU4 D_BA0 G4 H4 D_BA1 G6 D_CKE J5 D_CLK H9 D_DM0__S_LB D_DM1__S_UB H8 D_LDQS M3 M7...

Page 40: ...O Vsync Interface out 9 CS I O Chip Select 10 ADS I O Address 11 WR I O Write 12 RD O Read 13 D0 I O Data 0 for LCD 14 D1 I O Data 1 for LCD 15 D2 I O Data 2 for LCD 16 D3 I O Data 3 for LCD 17 D4 I O Data 4 for LCD 18 D5 I O Data 5 for LCD 19 D6 I O Data 6 for LCD 20 D7 I O Data 7 for LCD 21 D8 I O Data 8 for LCD 22 D9 I O Data 9 for LCD 23 D10 I O Data 10 for LCD 24 D11 I O Data 11 for LCD 25 D1...

Page 41: ...e used for scanning keypads up to 8 rows outputs from Port Control Logic and 8 columns inputs to PCL The number of rows and columns depend on settings of the PCL Figure 12 Key FPCB part key matrix VBAT END PWRON SEND CLEAR Side Vol Up Side Vol Down OK VA103 KP_OUT1 KP_IN4 KP_IN1 KP_IN2 KP_IN3 KP_IN0 ...

Page 42: ...me up down Clear Send End Power on keys are located on the Key FPCB And MP3 hot key Camera AF trigger shutter and Lock keys are connected by Touch FPCB Figure 13 Touch FPCB part key matrix Sleep MP3 Camera KP_IN0 KP_IN1 KP_OUT0 ...

Page 43: ...t is controlled by GPIO port of the S GOLD2 Figure 14 Keypad Back light LEDs PRECHARGING KEY BACKLIGHT LED 3 A B0 4 B1 6 GND 5 1 S 2 VCC U107 FSA4157L6X 2SC5585 2 3 1 Q101 R127 4 7K VCHG R128 100K R123 0 R124 1 5K R120 100K 10 R119 0 1u C130 R121 10K 2V85_IO VBAT KEYBACKLIGHT LED_R VA105 EVL5M02200 VBAT 120 R101 LD102 R102 120 LED_R LD101 ...

Page 44: ...ected by comparing the forward voltage of each LED with the input voltage The interface relies on the number of rising edges of the EN SET pin to address and load the registers S2Cwire latches data or address after the EN SET pin has been held high for time TLAT The interface records rising edges of the EN SET pin and decodes them into 16 different states as indicated in table Figure 15 LCD Back l...

Page 45: ...3 TECHNICAL BRIEF 46 Table 8 Charge pump IC LCD part current setting table Figure 16 EN SET port control method ...

Page 46: ... be mounted on mass production PCB VBAT R219 100K R220 47mohm G1 G2 1 2 3 CN201 2 2K R223 GND 2 3 IOUT LOAD 5 1 NC VIN 4 U205 ZXCT1010E5TA C233 27p VSUPPLY VBAT C231 2 2u 39p C232 1K R222 LOAD BAT_ID Figure 17 Current monitor circuit ON BOARD ARM9 JTAG ETM INTERFACE 1V8_SD 2V72_IO 29 30 17 18 19 20 21 22 23 24 G1 G2 G3 G4 13 14 15 2 3 4 5 6 7 8 9 16 25 26 27 28 CN101 1 10 11 12 TRIG_OUT TDO TMS TC...

Page 47: ...3 TECHNICAL BRIEF 48 3 13 Audio KE850 Audio signal flow diagram as following diagram Figure 19 Audio signal flow diagram ...

Page 48: ...DI B2 A3 I2S_WS L3D_IN F3 F4 L3D_OUT E5 LHP D5 LINEOUT G3 LLS LLS G1 E3 L_IN A2 MCLK B4 MODE E2 M_IN D3 NC C3 PLL_GND C1 PLL_IN PLL_OUT C2 ADDR_ENB A5 AGND1 D1 F1 AGND2 F6 AGND3 AVDD1 G2 AVDD2 G5 C6 AVDD3 BYPASS D4 CHP E6 DGND A1 DVDD A6 EP F2 EP E1 A4 GPIO I2C_VDD B5 B3 I2S_CLK U205 LM4934ITL R230 0 2V85_IO C238 220n C249 2 2u 0 1u C233 2V85_IO L202 100nH L201 100nH C236 220n C234 0 01u TP202 39p...

Page 49: ...is connected to USB_DP and USB_DM each If the remote controlled headset is plugged into MMI connector then multi port 0 and 1 in go through REMOTE_INT and REMOTE_ADC 2 G1 3 G2 1 O 4 P SPM0204HE5 PB 3 MIC101 2 3 4 5 6 7 8 9 10 11 12 13 14 CN101 1 VA102 VA101 27p C102 27p C101 LED_R PWRON VA205 VA206 VA204 120 FB201 C225 1u C222 0 1u VA201 VA202 VA203 C223 27p 0 R226 4 5 6 7 8 9 10 11 12 13 14 CN202...

Page 50: ... 5 9 NC3 NC4 13 NO1 15 NO2 3 7 NO3 NO4 11 14 V DG2799DN T1 E4 U202 17 BGND 16 10 R206 2V72_IO TXD_0 JACK_DETECT USBDP USBDM MULTI_PORT_0 MULTI_PORT_1 RXD_0 REMOTE_INT REMOTE_ADC USB_VBUS MULTI PORT SWITCH 2 10 R214 10 R215 C202 220u 39p C206 39p C205 VBAT 39p C209 C260 C261 2 2u 2 2u 39p C210 10 R205 C208 39p R202 10K 220u IN3_4 NC1 1 5 NC2 NC3 9 13 NC4 15 NO1 3 NO2 NO3 7 11 NO4 V 14 C201 U201 DG2...

Page 51: ...le IREF IMIN resistors IREF resistor between this pin and the GND pin to set the charge current limit determined by the following equation ICC 12089 30K 400mA The End Of Charging current is set by IMIN That can be programmed by the as following equation IEOC 11000 110K 100mA Figure 25 USB charging circuit USB CHARGING 1 30K R126 VBAT 2V72_IO TP105 8 BAT 5 GND IMIN 6 IREF 7 9 PGND VIN 1 3 _CHG _EN ...

Page 52: ...in control AGC circuit controls the gain of the LNA to optimize sensitivity and rejection of strong interferers Figure 26 FM Radio circuit FM Radio Close to VD 1005 GPIO2 20 19 GPIO3 LOUT 16 NC1 22 23 NC2 25 PGND 11 RCLK 3 RF_GND 15 ROUT 9 SCLK SDIO 10 VA 18 13 VD VIO 12 7 _RST _SEN 8 SI4701 U104 FMIN 4 FMIP 2 1 GND1 5 GND2 GND3 6 GND4 14 17 GND5 GND6 24 21 GPIO1 2V72_IO 2V85_IO R117 10K C124 22n ...

Page 53: ...advanced low power 0 13 Ïm CMOS technology Very low component count 6 external components Ultra low power design Peak current 40mA for basic data rate Peak current 45mA for enhanced data rate Bluetooth low power mode typ 25µA Multiple input clock signals supported 10 40MHz Supply from external voltage regulator 1 8V 3 6V 1 Figure 27 BLUETOOTH Functional block diagram ...

Page 54: ...l interrupt Port output levels available during low power mode VDD supplied Separate voltage domains for GPIO UART and PCM interfaces Control signal for requesting external cellular system clock Multi frequency e g 32 768 kHz low power clock input 3 17 5 RF Section Integrated antenna switch to minimize external components count Programmable RF transmit power between 55dBm 6dBm Fine tuning in 2dB p...

Page 55: ...face lines UARTTXD and UARTRXD are needed The hardware flow control lines UARTRTS and UARTCTS are supported but the use is optional In KE850 used three wire UART communication The UART interface has its own supply voltage VDDUART to ensure compatibility with the I O voltages used by the S Gold2 The PCM I2S interface is used as audio interface and can handle up to two voice channels The PCM interfa...

Page 56: ...J3 TXA1 TXA2 H3 J2 TXAX H7 TX_CONF_P0_14 A2 TX_CONF_RXON UARTCTS G8 J8 UARTRTS UARTRXD J7 H8 UARTTXD VCOCAP1 J6 VCOCAP2 H6 F9 VDDC1 VDDC2 B5 D9 PCMCLK PCMFR1 D8 PCMFR2_SDA0_P0_12 C8 G9 PCMIN PCMOUT E8 PSEL0 A3 B8 PSEL1 RESET_ D1 J4 RFIO RFIOX J5 RFOUT H5 B9 RTCK C9 SCL0_P0_13 F8 SLEEPX_P0_15 B7 TCK A7 TDI PMB8753 U402 CLK32_P1_5 C2 CLKIN_XTAL G1 JTAG_ A5 LOAD H2 A1 NC1 NC2 A9 NC3 J1 J9 NC4 P1_6 C1...

Page 57: ...g a dedicated eight pin connector Table 9 Micro SD memory pad assign SD mode Pin No Name Type Description 1 DAT2 I O Data bit 2 2 CD DAT3 I O Data bit 3 3 CMD I O Command response 4 VDD Power Power supply 5 CLK I Clock 6 VSS Ground Power ground 7 DAT0 I O Data bit 0 8 DAT1 I O Data bit 1 Figure 31 Micro SD memory card detection scheme Figure 30 Micro SD pin assignment ...

Page 58: ... is inserted TF_DETECT High Low Figure 32 Micro SD socket circuit with power control VMMC 1u C346 R332 100K R334 100K R327 100K 22p C345 2 3 4 5 6 7 8 SWA SWB GND GND 1 49225 0821 S301 100K R336 D G S SI1305 E3 Q301 100K R333 100K R335 2V72_IO TF_DAT1 TF_CMD TF_DETECT TF_PWR_EN TF_DAT2 TF_DAT3 TF_CLK TF_DAT0 ...

Page 59: ...set left sound CTS 5 HS_OUT_R RTS Headset Right sound RTS 6 TXD USB_DP USART USB Remote control interrupt REMOTE_INT 7 RXD USB_DM USART USB Remote control Key ADC REMOTE_ADC 8 JACK_DETECT Headset detect active low 9 VSUPPLY Battery voltage 10 VSUPPLY Battery voltage 11 RPWRON Remote power on active high 2 8V 12 VCHG Charger voltage 13 VCHG Charger voltage 14 DSR N C 15 VBUS_USB USB VBUS 16 TX_DEBU...

Page 60: ... C114 24p FB103 2V85_IO VA103 2V65_ANA 2 2u C113 R115 10 100p C103 L110 100nH C110 27p 47K R109 VA104 NA R113 USB_VBUS R101 1M VCHG 10K 24p C119 R107 100nH L109 R111 2 2K 22uF NA R108 C108 LMV7291MGX NOPB 2 GND OUT 1 VCC 5 3 VIN VIN 4 U101 VA102 L106 100nH L107 100nH 100nH L104 0 1u C106 10 R114 JACK_DETECT MULTI_PORT_1 FM_ANT MULTI_PORT_2 MULTI_PORT_3 RPWRON HSMICP HSMICN HOOK_DETECT JACK_TYPE MU...

Page 61: ...3 TECHNICAL BRIEF 62 3 20 Touchpad Interface GND Ground SDA 12C bus line Data SCL 12C bus line Clock ATTEN 12C bus line Attention VDD Power supply Voltage ...

Page 62: ...alog I Q baseband interface and consists of a direct conversion receiver and a quad band polar transmitter for GSM and EDGE with integrated PGA functionality Further on a completely integrated SD synthesizer with HSCSD and GPRS EDGE capability a digitally controlled reference oscillator with three outputs a fully integrated quad band RF oscillator and a three wire bus interface with all necessary ...

Page 63: ...25 NA L404 2 2u C435 R436 100 VRF2V85 R412 0 R415 10 C431 NA R432 0 R438 0 NA VRF2V85 NA C455 C454 C442 4700p 0 1u C424 R416 0 C463 NA 1 2p R424 0 C427 NA 0 1u C443 460 8u C445 NA VRF2V85 R434 0 VRF2V85 2 2u C434 NA C462 0 R422 NA C459 VRF2V7 NA 0 1u C426 100 R437 0 R418 100p C464 4 7u C432 100 R435 470p C433 1 5p C456 47n C444 100p R414 820 1V5_Core 26MHz X401 2 GND 3 OUT VCC 4 VCONT 1 100p C452 ...

Page 64: ...el filter output buffer and DC offset compensation The 3rd order low pass filter is fully integrated and provides sufficient suppression of blocking signals as well as adjacent channel interferers and avoids anti aliasing through the baseband ADC The receive path is fully differential to suppress on chip interferences Several gain steps are implemented to cope with the dynamic range of the input s...

Page 65: ... a polar modulation architecture where the analog modulation data rectangular I Q coordinates is converted to digital data stream and is subsequently transformed to polar coordinates by means of a CORDIC algorithm The resulting amplitude information is fed into a digital multiplier for power ramping and level control The ready processed amplitude signal is applied to a DAC followed by a low pass f...

Page 66: ...r in the feedback path of the synthesizer is carried out as a multi modulus divider MMD The loop filter is fully integrated and the loop bandwidth is about 100 kHz to allow the transfer of the phase modulation The loop bandwidth is automatically adjusted prior to each slot OLGA To overcome the statistical spread of the loop filter element values an automatic loop filter adjustment ALFA is performe...

Page 67: ...ON ON ON ON ON ON VCTRL1 ON ON OFF OFF OFF OFF VCTRL2 OFF ON ON ON OFF OFF VCTRL3 OFF OFF ON OFF ON OFF GSM850 DCS LB RF Input Front End Module EGSM PCS HB RF Input 0 1u C405 VRF2V85 1 2p C418 1 5p C416 0 R403 1 5p C417 1 2p C419 L407 6 TX1G 8 TX2G 22 VCTRL1 VCTRL2 21 VCTRL3 20 VDD 3 EGSM_RX 16 GMS_RX 18 GND1 2 GND10 25 26 GND11 GND2 4 5 GND3 GND4 7 9 GND5 GND6 10 GND7 11 23 GND8 GND9 24 19 GSM_RX...

Page 68: ...ds the other supports the DCS1800 and PCS1900 bands Both PA blocks share common power supply pins to distribute current RF input and output ports are internally matched to 50 ohms to reduce the number of external components Table 13 PAM pin description PIN Name Description 1 MODE GMSK EDGE Power control mode L GMSK H EDGE 2 DCS PCS_IN RF input DCS PCS DC Blocked 3 BS Band Select 4 REVD1 Reserved 5...

Page 69: ...ts PA bias condition fixed gain PA High Power Amp Module NA C449 0 R425 NA NA C455 C454 C453 NA C460 68u 4 RSVD1 12 RSVD2 5 VBATT 6 VRAMP GND20 32 GND21 31 30 GND22 GND23 29 28 GND24 27 GND25 13 GND3 11 GND4 10 GND5 GND6 17 GND7 18 19 GND8 GND9 20 7 GSM_IN 9 GSM_OUT 1 MODE 3 BS 2 DCS_PCS_IN 16 DCS_PCS_OUT 8 EN 15 GND1 GND10 21 GND11 22 GND12 23 GND13 24 GND14 25 26 GND15 GND16 36 GND17 35 GND18 34...

Page 70: ...4 PCB layout 71 4 PCB layout 4 1 Main Sub PCB component placement Main PCB Top Main PCB Top placement ...

Page 71: ...4 PCB layout 72 Main PCB bottom Main PCB bottom placement ...

Page 72: ... clock Battery Connector Charging Block Multi Media Chip Bluetooth Chip Bluetooth Antenna SIM Socket RF PAM FEM Camera Connector Sleep Crystal BBP Mobile Switch Memory PMIC 100pin Connector Micro SD socket Power Inductor Power Block Flash LED ...

Page 73: ...itch Audio AMP KEY FPCB Connector 100PIN Connector 18pin I O Connector Vibrator Connector Audio Block USB Charging Touch FPCB Connector FM Radio LCD Connector Camera TOUCH FPCB KEY FPCB Volume Up Volume Down OK KEY CLEAR KEY SEND KEY Microphone LOCK KEY MP3 Camera KEY END KEY ...

Page 74: ...r dummy battery to the DUT for power up Connect mobile switch cable between Communication test set and DUT when you need to make a phone call Follow trouble shooting procedure 5 2 Power on Trouble Check Points Battery Voltage Need to over 3 35V Power On Key detection PWRON signal Outputs of LDOs from PMIC 5 Trouble shooting ...

Page 75: ...585 470K R202 RTC_OUT PWRON KP_OUT1 KP_IN5 Remote Power On 100K R218 VBAT 9 1 1B0 2 1B1 8 1S 6 2A 2B0 3 2B1 4 7 2S GND 5 VCC 10 FSA2267AL10X U204 1A C224 0 1u R217 100K PWRON RPWRON C_RPWRON 100K R221 2V72_IO C234 0 1u 2V11_RTC RESETn PMRSTn PM_INT SPOWER_INT EXTRSTn ...

Page 76: ...45 VLBB2 47 20 VMMC 40 VRF1 38 VRF2 VRF3 37 3 VRFC 42 VRTC VSIM1 18 VSIM2 19 ON 4 RESETQ 48 SCL 23 24 SDA SLED1 15 SLED2 14 SW 6 VANA 34 2 VBATS VBUS 12 44 VCHC VCHS 1 VCXOEN 36 35 VDDA 30 VDDAU 17 VDDB PMB6812 AUIN 25 26 AUIP 28 AUON AUOP 29 31 BYP FB 9 49 GND INTOUT 41 IREF 32 16 LED LRF3EN 22 U201 C223 2 2u VCHG FB201 2 2u C215 C211 2 2u VCHS SPOWER_INT BT_VCXO_EN PMRSTn SCL SDA SLED1 VCH_CTL X...

Page 77: ... output Is it correct Is the 26MHz clock From U402 signal correct Replace main PCB Check the RPWRON replace U204 Check solder U206 or replace it Check solder U201 or replace it Check solder X401 U403 or replace it Yes Yes Yes Yes Yes No No No No Connect power supply to the DUT Vbat over 3 35V ...

Page 78: ...V Charger detect voltage about 4 0V Charging temperature ADC range Charging time 3h under 20 C small charging operation Charging current 500mA 20 C 60 C charging Cutoff current 100mA 60 C not charging operation small Low battery alarm charging operation Idle 3 62V Dedicated 3 50V R219 100K VCHG C229 10u C235 33u R225 0 15 2 1 D3 3 G 4 S1 6 S2 NDC652P Q203 5 D1 D2 VBAT C230 47n CRS08 D201 VCH_CTL V...

Page 79: ...ear 0 3V Resolder the CN102 Battery voltage is over 3 4V Charge is operating properly The TA can be broken Change other TA then retest Check solder Q203 or replace it Replace it Waiting until battery Voltage goes up to 3 4V Yes Yes Yes Yes Yes No No No No No Battery thermistor value is about 10K Change the Battery retest No Yes ...

Page 80: ...33 EVL5M02200 VA106 2V85_IO 8 9 28 29 3 30 31 32 33 34 35 4 5 6 7 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 CN103 1 10 11 0 R134 R135 0 R129 0 0 1u C138 VA105 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL103 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E150R101FR FL...

Page 81: ...g 82 START Is LCD FPCB normal Signal is normal on FL101 FL102 FL103 FL104 FL105 Assemble Replace LCD module Check solder and repair Damaged filter Yes Yes No No Check LCD connector combination then LCD test with New LCD ...

Page 82: ...A1 2 INOUT_A2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E070R101FR FL304 0 1u C340 LD301 2V8_AF EVL5M02200 VA301 68 R329 68 R330 2V8_CAM 10 INOUT_A1 1 INOUT_A2 2 3 INOUT_A3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL302 ICVE10184E070R101FR G1 5 G2 1V8_CAM INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E070R101FR FL301 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT...

Page 83: ...ra module Working properly Assemble Resolder Yes Yes No No Check camera connector 34pin main PCB connector combination then Camera test with equipped camera module Replace Camera module Yes Replace New FPCB module Working properly Yes Replace FPCB module Assemble Yes Replace Main PCB No ...

Page 84: ... SDA_SDI B6 VDD_I_O I2S_SDI B2 A3 I2S_WS L3D_IN F3 F4 L3D_OUT E5 LHP D5 LINEOUT G3 LLS LLS G1 E3 L_IN A2 MCLK B4 MODE E2 M_IN D3 NC C3 PLL_GND C1 PLL_IN PLL_OUT C2 ADDR_ENB A5 AGND1 D1 F1 AGND2 F6 AGND3 AVDD1 G2 AVDD2 G5 C6 AVDD3 BYPASS D4 CHP E6 DGND A1 DVDD A6 EP F2 EP E1 A4 GPIO I2C_VDD B5 B3 I2S_CLK U205 LM4934ITL R230 0 2V85_IO C238 220n C249 2 2u 0 1u C233 2V85_IO L202 100nH L201 100nH C236 ...

Page 85: ...22 Low voltage Ampís power on Check C249 Bias Assemble Resolder Analog switch U103 U105 Check power LDO U204 Yes No No Check Speaker tension and Contacts are clear C249 is high voltage when amp on Resolder or Replace Amp U205 Yes No Replace Sub PCB Yes ...

Page 86: ...ophone hole Mic Bias signal come from 120 FB201 C225 1u C222 0 1u C223 27p 0 R226 8 9 10 11 12 13 14 202 C221 39p C220 0 1u FB202 120 MICP LED_R MICN VMICP PWRON 2 G1 3 G2 1 O 4 P SPM0204HE5 PB 3 MIC101 8 9 10 11 12 13 14 VA102 VA101 27p C102 27p C101 LED_R PWRON ...

Page 87: ...g 88 START Mic bias ON when call C225 14pin connector is good Assemble Check mic Bias line R226 Repair the 14pin conn CN202 Yes No No Check microphone sound hole Check Signal FB201 FB202 Replace microphone MIC101 Yes No ...

Page 88: ...LOSE TO 1u C101 R105 1K R112 100K 56nH L101 R110 15 CN101 1 2 100nH L105 EVL14K02200 VA101 GND 2 1 VIN VOUT 3 SUY98005LT1G U102 27p C102 C107 1u 33nH L103 L102 27nH VBAT VIBRATOR_EN Check the contact is clear if there is some obstacles then remove them Check line crack Check the driver IC U102 Enable signal goes to high then vibration ...

Page 89: ...uble shooting 90 Check line crack START Pin1 of U102 is high and Pin3 low Check Line Mold Crack Assemble Check U102 or replace it Replace connector CN101 Yes No No Check Vibrator contact Replace Vibrator Yes ...

Page 90: ...l Analog SW is working properly VA105 EVL5M02200 VBAT 120 R101 LD102 R102 120 LED_R LD101 PRECHARGING KEY BACKLIGHT LED 3 A B0 4 B1 6 GND 5 1 S 2 VCC U107 FSA4157L6X 2SC5585 2 3 1 Q101 R127 4 7K VCHG R128 100K R123 0 R124 1 5K R120 100K 10 R119 0 1u C130 R121 10K 2V85_IO VBAT KEYBACKLIGHT LED_R ...

Page 91: ...5 Trouble shooting 92 START Power of U107 OK R120 14pin connector CN202 is good Assemble Check U107 or replace it Replace 14pin conn CN202 Yes No No Check All of LEDs solder Replace KEY FPCB Yes ...

Page 92: ...Points Power control FET is working Socket soldering Proper SIM is used J201 CLK 3 4 GND I_O 6 RST 2 1 VCC 5 VPP 10K R224 0 1u C237 Q202 D G S SI1305 E3 C236 22p 150p C238 VA201 2V85_SIM SIM_CLK SIM_IO SIM_RST SIM_EN_n Check soldering all pin of socket ...

Page 93: ...5 Trouble shooting 94 START 6 pins are soldered well Check Q202 Assemble Resolder pin Replace Q202 Yes No No Check All of SIM card voltage KE850 support 1 8V 3V SIM only ...

Page 94: ...et soldering Card detect is working VMMC 1u C346 R332 100K R334 100K R327 100K 22p C345 2 3 4 5 6 7 8 SWA SWB GND GND 1 49225 0821 S301 100K R336 D G S SI1305 E3 Q301 100K R333 100K R335 2V72_IO TF_DAT1 TF_CMD TF_DETECT TF_PWR_EN TF_DAT2 TF_DAT3 TF_CLK TF_DAT0 TF DETECT PIN TF_DETECT SIGNAL ...

Page 95: ...ble shooting 96 START TF socket pins are well soldered well Q301 is working Assemble Resolder it check data line TF dat 0 1 2 3 Replace Q301 Check TF_PWR_EN Yes No No Check Micro SD card voltage VMMC 2V72_IO ...

Page 96: ...rl IC working 2V85_IO 2 3 4 5 CN102 1 SDA SCL TP_ATTN This fault depend on Touch pad mainly Almost of all case Replace front touch panel START FPCB PAD CN102 Solder check OK FPCB No Crack Assemble Resolder CN102 Replace FPCB Yes No No Check Touch Sensitivity If not replace front touch panel ...

Page 97: ...ting 5 13 1 RF Components U401 U403 U404 X401 SW401 ANT PAD Main Top View Figure 1 RF components Main Bottom View REFERENCE NUMBER PART DESCRIPTION U401 Front End Module U403 RF Transceiver U404 Power Amp Module X401 VCTCXO 26MHz SW401 Mobile Switch ...

Page 98: ... Part Checking Flow Checking Points START Check point Check po PLL Control int Setup Test Equipment Cell Power 7 4dBm EGSM CH30 DCS CH699 VCTCXO Re Download S W CAL Check point Check point Mobile SW FEM RX I Q Signal Figure 2 Main PCB Figure 3 Main PCB Bottom ...

Page 99: ... to Fig 6 Is the waveform of Pin4 similar to Fig 6 Replace X401 Checking U201 PMIC Yes No No Yes VCTCXO Circuit is OK See next page to check PLL Circuit VCTCXO Circuit Diagram Waveform 10p C440 C442 0 1u 0 R418 26MHz X401 2 GND 3 OUT VCC 4 VCONT 1 R421 0 VRF2V7 R417 1 8K AFC Pin4 R418 Pin3 R421 Figure 4 Figure 5 VCTCXO Figure 6 VCTCXO Waveform ...

Page 100: ... is Normal RF Transceiver Circuit Diagram Waveform Transceiver NA C446 11 XO XOX 12 VCO_RC 18 VDDDIG1V5 8 VDDDIG2V8 VD 19 VDDRX1V5 VDDRX2V8 20 17 VDDVCO2V8 15 VDDXO2V8 FSYS1 14 FSYS2 10 9 FSYS3 13 GND1 MB6272 U404 7 CLK DA 6 EN 16 10p C440 C442 0 1u R424 0 C445 NA 0 R422 0 R418 470p C433 C444 100p R414 820 26MHz X401 2 GND 3 OUT VCC 4 VCONT 1 R421 0 VRF2V7 R417 1 8K CLK DA 26M_BB AFC RF_EN RF_CLK ...

Page 101: ... R435 ANT SW3 U401 R437 ANT SW1 Front End Module 0 1u C405 VRF2V85 0 R403 C419 6 TX1G 8 TX2G 22 VCTRL1 VCTRL2 21 VCTRL3 20 VDD 3 EGSM_RX 16 GMS_RX 18 GND1 2 GND10 25 26 GND11 GND2 4 5 GND3 GND4 7 9 GND5 GND6 10 GND7 11 23 GND8 GND9 24 19 GSM_RX 13 PCS_RX PCS_RX 12 U401 YGHF S006A ANT 1 15 DCS_RX DCS_RX 14 17 EGSM_RX Figure 10 Mobile SW FEM Circuit Figure 11 Mobile SW FEM Table 2 FEM RX Control Log...

Page 102: ... Replace Mobile SW SW401 Yes No Yes Check PMB8876 U101 Control Signal is No Yes Check Pin 20 21 22 of U401 OK Replace FEM U401 Pin 16 17 or 14 15 No Yes Mobile SW FEM is OK See next page to check I Q Signals Figure 12 Mobile SW Figure 13 FEM Control Signals EGSM RX ANT SW1 ANT SW2 ANT SW3 ...

Page 103: ...NA C462 C459 NA 0 R431 0 R433 NA C458 IX I QX Q Check RX I Q Signals Signals are Normal Replace Transceiver PMB6272 U404 Yes N RX Part is OK Check Base Band Circuit or Re Download S W and Cal Checking Points U404 I Q I Q RX Figure 14 RX I Q Circuit Figure 15 RX I Q Figure 16 RX I Q Waveform ...

Page 104: ...w Check point Check point Setup Test Equipment Cell Power 7 4dBm EGSM CH30 DCS CH699 VCTCXO PLL Control PAM Control Check point Re Download S W RF CAL Check point Check point Check FEM Mobile TX I Q Signal Transceiver SW Checking Points Figure 17 Main PCB Figure 18 Main PCB Bottom ...

Page 105: ...5 Trouble shooting 106 5 13 8 Checking VCTCXO Circuit See RX Part 1 Checking VCTCXO Circuit 5 13 9 Checking PLL Control Signal See RX Part 2 Checking PLL Control Signal ...

Page 106: ...34 0 NA C462 C459 NA 0 R431 0 R433 NA C458 IX I QX Q Check TX I Q Signals Signals are Normal Replace Transceiver PMB6272 U404 Yes N TX Part is OK Check Base Band Circuit or Re Download S W and Cal Checking Points U404 I Q I Q TX Figure 19 TX I Q Figure 20 TX I Q Figure 21 TX I Q Waveform ...

Page 107: ...8 32 FE1 33 FE2 9 26 GND2 GND3 40 41 GND4 RX1 29 30 RX1X RX2 27 28 RX2X 24 RX3X 25 PMB6272 U404 1 A AX 2 3 B BX 4 7 CLK DA 6 NA C449 0 R425 2 2u C435 R415 10 NA NA C455 C454 4700p C424 NA C443 VRF2V85 2 2u C434 NA C448 R419 0 R427 0 U401 MODE Transceiver Output GMSK Fixed 8PSK Ramp Burst Control Figure 22 Transceiver Output Circuit Figure 23 Transceiver Output Table 3 Transceiver Output Operation ...

Page 108: ...BAND_PAM_IN MODE GMSK LBAND_PAM_IN MODE 8PSK Signals are Normal Replace PMB6272 U404 Yes No Transceiver is OK See next page to check PAM Control Circuit Check Output Signal Figure 24 Transceiver Output GMSK Figure 25 Transceiver Output 8PSK ...

Page 109: ...820p NA C470 R442 0 0 R443 NA C469 TXON_PA MODE PALEVEL Checking Points MODE TXON_PA PA_LEVEL U403 MODE MODE PA_LEVEL TXON_PA GMSK LOW Ramp Burst Control HIGH 8PSK HIGH Control Amp bias HIGH Figure 26 PAM Control Signals Figure 27 Transceiver Output Table 4 PAM Mode Operation ...

Page 110: ...ls are Normal Check PMB8876 U10 Ye N PAM Control Signal is OK See next page to check FEM Mobile SW Circuit Check Control Signals 1 MODE 2 PA LEVEL 3 TXON PA 1 MODE 2 PA LEVEL 3 TXON PA Figure 28 GSMK Control Signal Figure 29 8PSK Control Signal ...

Page 111: ...8 TX2G 22 VCTRL1 VCTRL2 21 VCTRL3 20 VDD 3 EGSM_RX 16 GMS_RX 18 GND1 2 GND10 25 26 GND11 GND2 4 5 GND3 GND4 7 9 GND5 GND6 10 GND7 11 23 GND8 GND9 24 19 GSM_RX 13 PCS_RX PCS_RX 12 U401 YGHF S006A ANT 1 15 DCS_RX DCS_RX 14 17 EGSM_RX 33p C401 Checking Points SW401 C401 R436 ANT_SW2 R437 ANT_SW1 R435 ANT_SW3 Figure 30 Mobile SW FEM Circuit Figure 31 Mobile SW FEM Table 5 FEM TX Control Logic RX Mode ...

Page 112: ...ignal is OK Replace Mobile SW SW401 Yes No Yes Mobile SW FEM is OK Check Antenna Check PMB8876 U101 Control Signal is No Yes Check Pin 20 21 22 of U401 OK Replace FEM U401 Pin 16 17 or 14 15 No Yes EGSM TX ANT SW ANT SW2 ANT SW Figure 32 Mobile SW Figure 33 FEM Control Signals ...

Page 113: ...ace Cable Power Supply or Battery IBM compatible PC supporting RS 232 with Windows 98 or newer If you are going to use battery the voltage of the battery should be over 3 7V for stable power supplying during S W download 6 Download S W upgrade 114 6 Download S W upgrade Figure S W download upgrade setup ...

Page 114: ...6 Download S W upgrade 115 6 2 Download program user guide 1 Copy GSMULTI Folder Paste in C 2 Execute GSMULTI reg file Registered at PC 3 MultiGSM exe execution file 4 Munu Setting Configuration ...

Page 115: ... 116 6 Download S W upgrade 6 Press the START button ...

Page 116: ... 117 6 Download S W upgrade 7 Stand by condition Wait is displayed connect the Phone KE850 KE850P40 7 V09a ...

Page 117: ...6 Download S W upgrade 118 KE850 KE850P40 7 V09a KE850 KE850P40 7 V09a ...

Page 118: ...R_N R4 EBU_AD1 V6 EBU_AD10 EBU_AD11 W6 T8 EBU_AD12 EBU_AD13 U7 V7 EBU_AD14 EBU_AD15 R7 EBU_AD2 W3 T5 EBU_AD3 EBU_AD4 R6 U5 EBU_AD5 EBU_AD6 W4 W5 EBU_AD7 EBU_AD8 U6 EBU_AD9 V5 T7 EBU_ADV_N EBU_A18 N2 N4 EBU_A19 EBU_A2 J4 EBU_A20 N5 T1 EBU_A21 EBU_A22 R2 U2 EBU_A23 V2 EBU_A24 J2 EBU_A3 J3 EBU_A4 EBU_A5 K1 K2 EBU_A6 EBU_A7 K3 K5 EBU_A8 EBU_A9 L2 EBU_AD0 V4 B3 DIF_VD A3 DIF_WR F3 DSP_IN0 DSP_IN1 G5 DS...

Page 119: ...M5 DQ9 L6 A1 DU1 A9 DU2 DU3 M1 M9 DU4 D_BA0 G4 H4 D_BA1 G6 D_CKE J5 D_CLK H9 D_DM0__S_LB D_DM1__S_UB H8 D_LDQS M3 M7 D_UDQS D_VCC1 C5 D3 D_VCC2 G8 A8 F8 A9 M2 DQ0 L1 DQ1 M6 DQ10 L7 DQ11 DQ12 L8 DQ13 K9 L9 DQ14 M8 DQ15 DQ2 K1 DQ3 L2 M4 DQ4 L3 DQ5 DQ6 L4 L5 DQ7 B4 A17 A18 B5 A5 A19 A2 B1 A20 F7 A21 E7 A22 B7 A6 A23 A7 A24 A25 A8 B8 A26 B2 A3 A4 A2 B3 A5 A3 A6 A7 A4 U202 PF38F5570MMY0B0 A0 D1 C1 A1 E...

Page 120: ...D14 DQ3 D13 G14 DQ4 E13 DQ5 DQ6 2V85_IO 215W2282EKB13NG U303 N13 AD0 B14 C329 0 1u C315 0 1u 1u C302 R310 NA C318 0 1u 0 1u C312 22p EVL5M02200 VA301 C345 C305 0 1u U304 GND 2 1 3 4 5 VCC C314 TC7SH08FS VBAT 1V5_VMM 0 1u 0 1u 2 3 4 5 6 7 8 SWA SWB 1V5_VMM 1V8_SD C316 GND GND 1 68 R329 49225 0821 S301 0 1u C308 C326 0 1u C306 1u C327 0 1u 0 1u C317 0 1u VCHG 2V65_ANA C322 C336 0 1u 0 1u 0 1u C309 C...

Page 121: ...T 1 MODE 3 BS 2 DCS_PCS_IN 16 DCS_PCS_OUT 8 EN 15 GND1 GND10 21 GND11 22 GND12 23 GND13 24 GND14 25 26 GND15 GND16 36 GND17 35 GND18 34 GND19 33 14 GND2 F4 VSSRF1 VSSRF2 E5 F5 VSSRF3 VSSRF4 E4 VSSVCO F2 WAKEUP_BT_P1_7 B2 B1 WAKEUP_HOST_P1_8 U403 SKY77340 VDDCREG D2 VDDPCM E9 H1 VDDPLL G2 VDDPMREG VDDRF H4 E1 VDDRFREG1 VDDRFREG2 E2 VDDSUP F1 H9 VDDUART A8 VDD_1 VDD_2 B3 VSS1 D4 D5 VSS2 VSS3 D6 E6 V...

Page 122: ...4 24p FB103 2V85_IO R124 1 5K VA103 R120 100K 8 BAT 5 GND IMIN 6 IREF 7 9 PGND VIN 1 3 _CHG _EN 4 2 _PPR VBAT ISL6294 U106 2V65_ANA 2 2u C113 8 9 110K R125 28 29 3 30 31 32 33 34 35 4 5 6 7 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 CN103 1 10 11 CN101 1 2 C129 1u R115 10 0 R134 1u C128 100p C103 R135 0 100nH L105 VBACKUP R129 0 GND 5 ISINK1 6 ISINK2 ISINK3 7 ISINK4 8 PGND 17 4 VIN 13 VOUT_...

Page 123: ... 0 1u 0 01u R217 10K TP202 39p C247 VA213 ANT201 0 01u C242 C241 3V3_AMP 220n R227 4 7K R231 NA VA210 2V72_IO VA201 C232 1u R210 10K C243 2V65_ANA R202 10K C248 NA 39p 0 1u C228 680 R221 680 R222 2V72_IO 2V85_IO C214 0 1u 1u C226 0 1u TP203 C204 C231 ANT202 0 1u 220u IN3_4 NC1 1 5 NC2 NC3 9 13 NC4 15 NO1 3 NO2 NO3 7 11 NO4 V 14 C201 U201 DG2799DN T1 E4 17 BGND COM1 16 COM2 4 8 COM3 COM4 12 GND 6 I...

Page 124: ... 1 1 V1 2006 2V85_IO 2V8_AF 1V8_SD 2V85_IO 2V85_IO TP102 2V8_AF TP103 TP104 TP101 33 34 4 5 6 7 8 9 2V85_IO 1V8_SD 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 CN101 G1 G2 1 10 11 12 13 14 15 16 17 18 26 27 28 29 3 30 31 32 33 34 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 CN102 G1 G2 G3 G4 1 CIF_D2 CIF_D1 CIF_D0 CIF_VSYNC CIF_PCLK CLKOUT CIF_D7 CIF_RESET I2C_SDA I2C_SCL CIF_D6 ...

Page 125: ...G2 1 O 4 P KE850 FPCB 1 1 Rev 1 0 KEY MIC LED A NO 7 Date Sign Name E LGIC 42 A 5505 10 01 LG Electronics Inc SW PARK A SPM0204HE5 PB 3 MIC101 VA105 EVL5M02200 SEND 2 3 4 5 6 7 8 9 10 11 12 13 14 CN101 1 CLEAR Side Vol Up VA102 Side Vol Down VA101 TP102 VBAT 120 R101 LD102 VBAT TP101 R102 120 OK VA103 END 27p C102 27p C101 PWRON LED_R LED_R LD101 VBAT KP_IN0 KP_IN1 KP_IN2 KP_IN3 KP_IN4 KP_OUT1 PWR...

Page 126: ...heet Sheets A C 1 MODEL D A B YM CHO LGIC 42 A 5505 10 01 LG Electronics Inc SW PARK A 8 9 10 11 12 13 14 TOUCHPAD KEY Rev 1 0 1 1 V1 FPCB C 2 Iss 8 9 D 10 2 Sign Name Designer 7 Date NO 4 DRAWING CN101 1 2 3 4 5 6 7 TP102 TP101 2V85_IO Sleep 2V85_IO 2 3 4 5 MP3 Camera CN102 1 KP_IN0 KP_IN1 KP_OUT0 SDA SCL TP_ATTN KP_IN1 KP_IN0 KP_OUT0 TP_ATTN SCL SDA 7 CIRCUIT DIAGRAM ...

Page 127: ... 128 LGMC 8 pcb layout ...

Page 128: ... 129 LGMC 8 pcb layout ...

Page 129: ... 130 LGMC 8 pcb layout ...

Page 130: ... 131 LGMC 8 pcb layout ...

Page 131: ... 132 8 pcb layout ...

Page 132: ... 133 8 pcb layout ...

Page 133: ... 134 8 pcb layout ...

Page 134: ... 135 8 pcb layout ...

Page 135: ... 136 8 pcb layout ...

Page 136: ... 137 8 pcb layout ...

Page 137: ... 138 ...

Page 138: ...9 RF Calibration 139 9 1 Test Equipment Setup 9 2 Calibration Steps 9 2 1 Turn on the Phone 9 2 2 Execute HK_25 exe 9 RF Calibration 4 00 V 0 000 A ...

Page 139: ...9 RF Calibration 140 9 2 3 Click SETTING Menu 9 2 4 Setup Ezlooks menu such as the following figure ...

Page 140: ... menu such as the following figure 9 2 6 Setup Logic operation such as the following figure Adjust the number of times PWR Power Supply CELL Call Test Equipment Setup UART Port Operation Mode 1 By Pass not control by GPIB 2 Normal control by GPIB ...

Page 141: ...9 RF Calibration 142 9 2 7 Select MODEL 9 2 8 Click START for RF calibration 9 2 9 RF Calibration finishes ...

Page 142: ...9 RF Calibration 143 9 2 10 Calibration data will be saved to the following folder Saving format year month day PASS ...

Page 143: ...he CALIBRATION 2 Calibration program automatically changes either normal mode or ptest mode 3 RF Calibration steps as follow TX Channel compensation EGSM DCS PCS EDGE EGSM EDGE DCS EDGE PCS RX Channel compensation EGSM DCS PCS 4 Phone Operation Mode Normal Mode ptest Mode ...

Page 144: ...tand along 145 10 Stand along 10 1 Test Program Setting 1 Set COM Port 2 Check PC Baud rate 3 Confirm EEPROM Delta file prefix name 4 Click Update Info for communicating Phone and Test Program Not Connected ...

Page 145: ...146 5 For the purpose of the Standalone Test Change the Phone to ptest mode and then Click the Reset bar 6 Select Non signaling in the Quick Bar menu Then Standalone Test setup is finished Connected Change ptest mood ...

Page 146: ... Non signaling mode bar and then confirm OK text in the command line 2 Put the number of TX Channel in the ARFCN 3 Select Tx in the RF mode menu and PCL in the PA Level menu 4 Finally Click Write All bar and try the efficiency test of Phone ...

Page 147: ...nnel in the ARFCN 2 Select Rx in the RF mode menu 3 Finally Click Write All bar and try the efficiency test of Phone 4 The Phone must be changed normal mode after finishing Test 5 Change the Phone to normal mode and then Click the Reset bar Change normal mode ...

Page 148: ...OOTH 1 6 1 BT ON OFF TEST 1 6 2 ENTER TEST MODE 1 6 2 1 RF TEST 1 6 2 2 AUDIO TEST 1 6 3 BPP XHTML TEST 1 6 4 BT PORT SETTING 1 7 AUDIO 1 7 1 CLOSE 1 7 2 EmMELODY ON 1 7 3 EmMELODY OFF 1 7 4 EmMP3 ON 1 7 5 EmMP3 OFF 1 7 6 EmMELODY Auto 1 7 6 EmMP3 Auto 1 8 FM RADIO Open 2 ENG MODE 2 1 1 PS LAYER INFO 2 1 2 MOBILITY 3 MF TEST 3 1 BACKLIGHT 3 1 1 BACKLIGHT ON HIGH 3 1 2 BACKLIGHT ON LOW 3 1 3 BACKLI...

Page 149: ... 150 ...

Page 150: ... 6 4 1 11 7 55 17 34 35 36 37 38 39 40 41 42 43 44 45 48 49 27 28 24 26 56 33 21 22 31 32 30 29 23 47 46 52 51 50 25 53 54 16 15 14 19 13 18 20 12 8 9 10 11 EXPLODED VIEW REPLACEMENT PART LIST 11 1 EXPLODED VIEW ...

Page 151: ... 152 ...

Page 152: ...e Rubber Gold 10 4 MIDZ00 INSULATOR MIDZ0133001 CUTTING NS 0 05 Without Color 4 MLAB00 LABEL A S MLAB0000601 HUMIDITY STICKER Without Color 12 4 MPBT00 PAD CAMERA MPBT0030401 CUTTING Silicone Rubber Black 9 4 MPBZ00 PAD MPBZ0149901 COMPLEX empty Without Color 7 4 MPBZ02 PAD MPBZ0150001 PAD FLASH LED Without Color 8 4 MTAA00 TAPE DECO MTAA0119801 CUTTING Silicone Rubber Without Color 3 4 MTAB00 TAP...

Page 153: ...TAZ0152501 COMPLEX empty Without Color 22 5 MTAZ03 TAPE MTAZ0152701 TAPE SIDE FPCB Without Color 24 4 GMEY00 SCREW MACHINE BIND GMEY0009201 1 4 mm 3 5 mm MSWR3 BK B HEAD D 2 7mm Black 52 4 MBJP00 BUTTON SHUTTER MBJP0005401 MOLD ABS AF 308 Silver 48 4 MGAZ00 GASKET MGAZ0040701 COMPLEX empty Without Color 40 4 MIDZ00 INSULATOR MIDZ0107901 COMPLEX empty Without Color 45 4 MIDZ01 INSULATOR MIDZ0108101...

Page 154: ...IBLE SMT SACE0043301 7 SACC00 PCB ASSY FLEXIBLE SMT BOTTOM SACC0025801 Black 8 CN101 CONNECTOR BOARD TO BOARD ENBY0032401 14 PIN 0 4 mm ETC H 1 5 Header 7 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0035801 Black 8 C101 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 8 C102 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 8 LD101 DIODE LED CHIP EDLH0007901 RED 1608 R TP Indicator 0 4T Red ...

Page 155: ...C105 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 7 C106 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 7 C107 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C108 CAP TANTAL CHIP ECTH0004806 22 uF 6 3V M STD 2012 R TP 7 C109 CAP CERAMIC CHIP ECCH0000187 150 pF 50V J NP0 TC 1005 R TP 7 C110 CAP CERAMIC CHIP ECCH0000187 150 pF 50V J NP0 TC 1005 R TP 7 C111 CAP ...

Page 156: ... MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 7 C206 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 7 C207 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C208 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C209 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C210 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C211 CAP CERAMIC CHIP ECCH0000182...

Page 157: ...005 R TP 7 C241 CAP CHIP MAKER ECZH0001211 220 nF 10V Z Y5V HD 1005 R TP 7 C242 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 7 C245 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C246 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C247 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C248 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 ...

Page 158: ...lter 100Ohm 15pF Pb free 7 L101 INDUCTOR CHIP ELCH0003825 56 nH J 1005 R TP chip inductor PBFREE 7 L102 INDUCTOR CHIP ELCH0004725 33 nH S 1005 R TP 7 L103 INDUCTOR CHIP ELCH0004725 33 nH S 1005 R TP 7 L104 INDUCTOR CHIP ELCH0010302 100 nH J 1608 R TP chip coil 7 L105 INDUCTOR CHIP ELCH0005009 100 nH J 1005 R TP 7 L106 INDUCTOR CHIP ELCH0005009 100 nH J 1005 R TP 7 L107 INDUCTOR CHIP ELCH0005009 10...

Page 159: ...R TP 7 R127 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 7 R128 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R129 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 7 R130 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R131 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R134 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 7 R135 RES CHIP MAKER ERHZ0000401 0...

Page 160: ... MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 7 R234 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 SP1 TERMINAL GROUND MTCA0002501 PRESS STS 0 5 Without Color 7 SP2 TERMINAL GROUND MTCA0002601 Without Color 7 U101 IC EUSY0077701 SC70 5 5 PIN R TP 1 8V Low Voltage Comparator with Rail to Rail Input Pb Free 7 U102 IC EUSY0160401 SOT 23 3 PIN R TP DC MOTOR DRIVER INTEGERATED RELAY 7 U103 IC ...

Page 161: ...0 VIBRATOR MOTOR SJMY0006504 3 V 80 mA 10 3 45 Elco 8000 Conn 38 4 SNGF00 ANTENNA GSM FIXED SNGF0019001 3 0 2 0 dBd internal GSM900 DCS1800 PCS1900 TRIPLE 2 0 50 3 0 44 4 SUSY00 SPEAKER SUSY0018001 PIN 8 ohm 87 dB 15 mm 10mm 3 7T 39 4 SVCY00 CAMERA SVCY0012001 CMOS MEGA 2M AF Toshiba FPCB 41 4 SVLM00 LCD MODULE SVLM0019701 MAIN 240 400 45 6 76 2 5 262k TFT TM BD663472 BD663473 34 3 GMEY00 SCREW MA...

Page 162: ...RAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C122 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C123 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C124 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C125 CAP CHIP MAKER ECZH0001211 220 nF 10V Z Y5V HD 1005 R TP 6 C126 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C127 CAP CERAMIC CHI...

Page 163: ...AMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C224 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C225 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C226 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C227 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C228 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C232 CAP CER...

Page 164: ... Filter 100 Ohm 7 5pF 6 FL302 FILTER EMI POWER SFEY0011401 SMD SMD 18V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 FL303 FILTER EMI POWER SFEY0011401 SMD SMD 18V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 FL304 FILTER EMI POWER SFEY0011401 SMD SMD 18V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 L201 INDUCTOR SMD POWER ELCP0005104 10 uH M 3 8 3 8 1 8 R TP power inductor 850mA 6 L401 INDUCTOR CHIP ELCH0004709 3 3 nH S 1005 R...

Page 165: ...6W J 1005 R TP 6 R327 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R328 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R329 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R330 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R331 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R332 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R333 RES CHIP MAKER E...

Page 166: ...6 3V K X5R TC 1005 R TP 6 C305 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C306 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C307 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C309 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C319 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V ...

Page 167: ...AP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C430 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C432 CAP CERAMIC CHIP ECCH0007801 4 7 uF 10V Z Y5V HD 1608 R TP 6 C433 CAP CHIP MAKER ECZH0001121 470 pF 50V K X7R HD 1005 R TP 6 C434 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C435 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C436 CAP C...

Page 168: ...04501 SOT 323 29 W 1 8 V 86 A R TP P Chanel MOSFET Pb free 6 Q203 TR FET P CHANNEL EQFP0003301 SOT 6 1 6 W 30 V 2 4 A R TP use for charge P CHANNEL FET 6 R118 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R201 RES CHIP MAKER ERHZ0000445 220 Kohm 1 16W J 1005 R TP 6 R202 RES CHIP MAKER ERHZ0000487 470 Kohm 1 16W J 1005 R TP 6 R204 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R205 R...

Page 169: ...W J 1005 R TP 6 R409 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R411 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R412 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R414 RES CHIP MAKER ERHZ0000513 820 ohm 1 16W J 1005 R TP 6 R415 RES CHIP MAKER ERHZ0000402 10 ohm 1 16W J 1005 R TP 6 R416 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R417 RES CHIP ERHY0003401 1800 oh...

Page 170: ...SPFY01 PCB MAIN SPFY0128901 FR 4 85 mm STAGGERED 10 V1 MAIN 6 U205 IC EUSY0286901 SOT23 5 5 PIN R TP 2 5V Sense voltage max current monitor 6 U301 IC EUSY0223006 HVSOF5 5 PIN R TP 1 8V 150mA LDO 6 U302 IC EUSY0223002 HVSOF5 5 PIN R TP 150mA CMOS LDO WITH OUTPUT CONTROL 2 8V 6 U303 IC EUSY0302301 TFPGA 137 PIN R TP 8 8 Pb free 6 U401 FILTER SEPERATOR SFAY0007201 850 900 1800 1900 4 0 dB 4 0 dB dB d...

Page 171: ...Black 55 3 SGDY00 DATA CABLE SGDY0010903 empty empty 1 5M 18 BLACK empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0005530 3mW 16 OHM 111dB 400HZ 10KHZ empty BLACK 18P MMI CONNECTOR FRADA MARK 3 SSAD00 ADAPTOR AC DC SSAD0021009 100 240V 5060 Hz 4 8 V 0 9 A CB CE 18pin plug empty I O CONNECTOR 12 3 Accessory Note This Chapter is used for reference Part order is ordered by SBOM standard on GCSC 12 EXPLODE...

Page 172: ...Note ...

Page 173: ...Note ...

Search results

Summary of Contents for Prada KE850

Reviews:

Related manuals for Prada KE850

Brands by name

Popular brands

LG Prada KE850, Service Manual

Search results

Summary of Contents for Prada KE850

Reviews:

Related manuals for Prada KE850

Brands by name

Popular brands