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LG KP202 Service Manual
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LG KP202 Service Manual

LG KP202 Service Manual

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Service Manual
KP202
Date: April, 2007 / Issue 1.0

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Summary of Contents for LG KP202

  • Page 1 Service Manual KP202 Date: April, 2007 / Issue 1.0...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION .......5 5. DOWNLOAD........81 1.1 Purpose ..........5 5.1 Download ..........81 1.2 Regulatory Information......5 6. BLOCK DIAGRAM ......87 1.3 Abbreviations .......... 7 7. Circuit Diagram ......89 2. PERFORMANCE.......9 2.1 H/W Features...........9 8. PCB LAYOUT ........97 2.2 Technical Specification ......10 9.
  • Page 3 - 4 -...

  • Page 4: Introduction

    1. INTRODUCTION 1. INTRODUCTION 1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features of this model. 1.2 Regulatory Information A. Security Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your company’s employees, agents, subcontractors, or person working on your company’s behalf) can result in substantial additional charges for your telecommunications services.
  • Page 5 1. INTRODUCTION E. Notice of Radiated Emissions This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user. F.

  • Page 6: Abbreviations

    1. INTRODUCTION 1.3 Abbreviations For the purposes of this manual, following abbreviations apply: Automatic Power Control Baseband Bit Error Ratio CC-CV Constant Current - Constant Voltage Digital to Analog Converter Digital Communication System dB relative to 1 milli watt Digital Signal Processing EEPROM Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge...
  • Page 7 1. INTRODUCTION Power Amplifier Module Printed Circuit Board Programmable Gain Amplifier Phase Locked Loop PSTN Public Switched Telephone Network Radio Frequency Receiving Loudness Rating Root Mean Square Real Time Clock Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM...

  • Page 8: Performance

    2. PERFORMANCE 2. PERFORMANCE 2.1 H/W Features Item Feature Comment Standard Battery Li-ion, 3.7V 830mAh Talk time Up to 200min : GSM Tx Level 7 Stand by time Up to 200 hours (Paging Period: 5, RSSI: -85 dBm) Charging time Approx.

  • Page 9: Technical Specification

    2. PERFORMANCE 2.2 Technical Specification Item Description Specification TX: 890 + n x 0.2 MHz RX: 935 + n x 0.2 MHz (n=1~124) Frequency Band TX: 1850 + (n-511) x 0.2 MHz RX: 1930+ (n-511) x 0.2 MHz (n=512~810) TX: 1710 + (n-511) x 0.2 MHz RX: 1805 + (n-511) x 0.2 MHz (n=512~885) RMS <...
  • Page 10 2. PERFORMANCE Item Description Specification GSM, EGSM Offset from Carrier (kHz). Max. dBc +0.5 600~ <1,200 1,200~ <1,800 1,800~ <3,000 3,000~ <6,000 Output RF Spectrum 6,000 (due to modulation) DCS/PCS Offset from Carrier (kHz). Max. dBc +0.5 600~ <1,200 1,200~ <1,800 1,800~ <3,000 3,000~ <6,000 6,000...
  • Page 11 2. PERFORMANCE Item Description Specification DCS/PCS Offset from Carrier (kHz). Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Spurious Emissions Conduction, Emission Status GSM, EGSM BER (Class II) < 2.439% @-102 dBm Bit Error Ratio DCS,PCS BER (Class II) < 2.439% @-102 dBm RX Level Report Accuracy 3 dB 8 3 dB...
  • Page 12 2. PERFORMANCE Item Description Specification STMR 13 5 dB Stability Margin > 6 dB dB to ARL (dB) Level Ratio (dB) 17.5 22.5 30.7 Distortion 33.3 33.7 31.7 25.5 Side Tone Distortion Three stage distortion < 10% System frequency 2.5ppm (13 MHz) tolerance 32.768KHz tolerance 30ppm...
  • Page 13 2. PERFORMANCE Item Description Specification Forced shut down Voltage 3.35 0.03V 1 Li-ion Battery Standard Voltage = 3.7 V Battery Type Battery full charge voltage = 4.2 V Capacity: 830mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60 Hz Output: 5.2 V, 800 mA - 14 -...

  • Page 14: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 Power Amplifier (SKY77318, U500) The SKY77318 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. The module consists of separate GSM850/900 PA and DCS1800/PCS1900 PA blocks, impedancematching circuitry for 50 Ω...
  • Page 15 3. TECHNICAL BRIEF SKY77318 PAM Pin Configuration-20-Pin Typical Case Makings Leadless (Top View) Mame Description Band Select VCC1A VCC (to GSM 1st stage, DCS/PCS 1st stages, BiCMOS PAC) DCS/PCS IN RF input 1710-1910 MHz (DCS1800, PCS1900) GSM IN RF input 880-915 MHz (GSM) RF and DC Ground VCC1B VCC (to GSM 2nd stage, DCS/PCS 2nd stages)

  • Page 16: Transceiver (Ad6548, U501)

    3. TECHNICAL BRIEF 3.2 Transceiver (AD6548, U501) The AD6548 provides a highly integrated direct conversion radio solution that combines, on a single chip, all radio and power management functions necessary to build the most com-pact GSM radio solution possible. The only external components required for a complete radio design are the Rx SAWs, PA, Switchplexer and a few passives enabling an extremely small cost effective GSM Radio solution.
  • Page 17 3. TECHNICAL BRIEF COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 AD6548/9 Pin Descriptions - 18 -...

  • Page 18: Fem For Triband

    3. TECHNICAL BRIEF 3.3 FEM for Triband Tx 900 Tx 1800/1900 RX EGSM RX DCS RX PCS Vctrl1 Vctrl2 Vctrl3 Table 3.3.1 Band SW Logic Table FL500 YGHF-S006T GND6 TX2G GND5 TX1G GND4 GND3 PCS_RX+ GND2 PCS_RX- GND1 DCS_RX+ 2V8_VEXT DCS_RX- VCTRL3 EGSM_RX+...

  • Page 19: 26 Mhz Clock (Crystal, X500)

    3. TECHNICAL BRIEF 3.4 26 MHz Clock (Crystal, X500) The 26 MHz clock (X500) consists of a XO( Crystal Oscillator) which oscillates at a frequency of 26 MHz. The AD6548 requires only an external low cost crystal as the frequency reference. The circuitry to oscillate the crystal and tune its frequency is fully integrated.
  • Page 20 3. TECHNICAL BRIEF 3.5 Baseband Processor (AD6720 , U104) • AD6720 is an ADI designed processor • AD6720 consists of 1. Control Processor Subsystem including: • 32-bit MCU ARM7TDMI® Control Processor • 39 MHz operation at 1.8V • 1Mb of on-chip System SRAM Memory 2.
  • Page 21 3. TECHNICAL BRIEF Figure 3.5 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE - 22 -...
  • Page 22 3. TECHNICAL BRIEF 3.5.1 Interconnection with external devices A. RTC block interface Countered by external X-TAL The X-TAL oscillates 32.768KHz B. LCD module interface The LCD module is controlled by CAMERA IC, AIT701G If AIT701G is in the state of by-pass mode, the LCD control signals from AD6720 are by-passed through AIT701G.
  • Page 23 3. TECHNICAL BRIEF The backlight of LCD module is controlled by AD6720 via AAT3157. The control signals related to Backlight LED are given bellow. Signals Description MLED Current source for backlight LED LCD_DIM_CTL Control LCD backlight level in 16 steps MLED[1:3] This pins are returned-paths for backlight LED current source (MLED) Table 3.5.B2 DESCRIPTION OF LCD BACKLIGHT LED CONTROL...
  • Page 24 3. TECHNICAL BRIEF D. SIM interface The AD6720 provides SIM Interface Module. The AD6720 checks status periodically during established call mode whether SIM card is inserted or not, but it doesn't check during deep Sleep mode. In order to communicate with SIM card, 3 signals SIM_DATA, SIM_CLK, SIM_RST(GPIO_23) are required.
  • Page 25 3. TECHNICAL BRIEF E. LDO Block There are 8 LDOs in the AD6720. - VCORE : supplies Digital baseband Processor core and AD6720 digital core(1.8V, 80mA) - VMEM : supplies external memory and the interface to the external memory on the digital baseband processor (2.8V, 150mA) - VEXT : supplies Radio digital interface and high voltage interface (2.8V, 200mA) - VSIM : supplies the SIM interface circuitry on the digital processor and SIM card (2.85V,1.8V,...
  • Page 26 3. TECHNICAL BRIEF CHARGE VCHARGE CHARGING VBAT R108 C128 0.1u R109 Q101 R110 R112 PRE_CHARGE_R INDLED_R 1.5K R111 7.5K R113 UMX1NTN Figure 3.5.F1 CIRCUIT FOR BATTERY CHARGING NORMAL 1V8_VRTC LIGHT2 CHARGING LIGHT3 KEY_BACKLIGHT GPO_22 LCD_DIM_CTL GPO_23 VBAT VCHARGE VMEMSEL C131 C134 R116 2.2K...

  • Page 27: Baseband Processor (Ad6720 , U104)

    3. TECHNICAL BRIEF 3.6 Display and Interface • Main LCD Properties Spec. Unit Active Screen Size 28.032mm(W) x 35.04mm(H) Color Depth 262,144 colors Resolution 128 x RGB x 160 dots • Sub LCD Properties Spec. Unit Active Screen Size 18.902mm(W) x 13.43mm(H) Color Depth colors Resolution...
  • Page 28 3. TECHNICAL BRIEF Figure 3.6 LCD INTERFACE CIRCUIT - 29 -...

  • Page 29: Camera Interface(Ait701G , U402)

    3. TECHNICAL BRIEF 3.7 Camera Interface(AIT701G , U402) This model has a built-in VGA(640 x 480) camera module. And the camera produces JPG pictures. Camera module is controlled by AIT701G. Interface is done by I2C and YCbCr format. I2C is a control signal and YCbCr is real data interface signal.
  • Page 30 3. TECHNICAL BRIEF 1V8_VCAM U402 AIT701G VSYNCOUT PGPIO0 PGPIO1 PGPIO2 CAMERA CTL IC VDD_CORE PGPIO3 PGPIO4 C400 GND_CORE PGPIO5 0.01u PGPIO6 PGPIO7 TP400 PSCAN_EN PLCD0 L_DATA00 PTEST_EN PLCD1 L_DATA01 PLCD2 L_DATA02 PLCD3 L_DATA03 PLCD4 L_DATA04 PLCD5 L_DATA05 TP401 DATA00 PHD0 PLCD6 L_DATA06 DATA01...

  • Page 31: Keypad Switches And Scanning

    3. TECHNICAL BRIEF 3.8 Keypad Switches and Scanning The key switches are metal domes, which make contact between two concentric pads on the keypad layer of the PCB when pressed. There are 26 switches (Normal Key 24EA, Volume up down side key, PWR down side key), connected in a matrix of 5 rows by 5 columns, as shown in Figure 3-11, except for the power switch (SW301), which is connected independently.

  • Page 32: Microphone

    3. TECHNICAL BRIEF 3.9 Microphone The microphone is placed to the Front cover and contacted to main PCB. The audio signal is passed to VINNORP and VINNORN pins of AD6720. The voltage supply VMIC is output from AD6720, and is a biased voltage for the VINNORP.

  • Page 33: Main Speaker

    3. TECHNICAL BRIEF 3.10 Main Speaker AIN1P VINNORP AIN1N VINNORN AIN2N AUXIN C142 AIN2P AUXIP C143 AIN3P REC_P R121 C145 C146 R122 C147 AIN3N AOUT1P R123 AOUT1N REC_N AOUT2P2 R124 AOUT2P1 SPK_P C148 C149 C150 AOUT2N1 AOUT2N2 AOUT3P AUXOP SPK_N R125 AOUT3N TDO_ABB...

  • Page 34: Headset Interface

    3. TECHNICAL BRIEF 3.11 Headset Interface This phone has 6 electrodes such as GND, AUXIP, AUXIN (this pin is floating), AUXOP, JACK_DETECT, HOOK_DETECT. This type supports mono sound Switching from Receiver to Headset Jack If jack is inserted, JACK_DETECT goes from low to high. Audio path is switched from receiver to earphone by JACK_DETECT interrupt.

  • Page 35: Key Back-Light Illumination

    3. TECHNICAL BRIEF 3.12 Key Back-light Illumination In key back-light illumination, there are 12 Blue LEDs in Main Board, which are driven by KEY_BACKLIGHT signal from AD6720. VBAT VBAT KEY BACKLIGHT Q301 R359 KEY_BACKLIGHT C324 R360 R361 C325 R362 IMX9T110 R363 R364 Figure 3.12 KEY BACK-LIGHT ILLUMINTION...

  • Page 36: Lcd Back-Light Illumination

    3. TECHNICAL BRIEF 3.13 LCD Back-light Illumination LCD backlight LEDs is controlled by AD6720 via AAT3157, U403. VBAT CHARGE_PUMP U403 AAT3157ITP-T1 C413 C412 C411 FB400 C414 MLED R405 LCD_DIM_CTL EN_SET MLED1 MLED2 C416 C415 R406 MLED3 100K Figure 3.13 MAIN LCD BACKLIGHT ILLUMINATION - 37 -...

  • Page 37: Vibrator

    3. TECHNICAL BRIEF 3.14 VIBRATOR The vibrator is placed in the folder cover and contacted to LCD MODULE. The vibrator is driven from VIBRATOR (GPIO_0) of AD6720 VIBRATOR VBAT R341 VBAT R342 R343 Q300 R344 20K VIBRATOR R357 7.5K MOTOR EMZ2 C318 C319...

  • Page 38: Trouble Shooting

    4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.1 RF Component TEST POINT U500 FL500 U501 X500 Figure 4.1 U500 Power Amp Module (SKY77318) U501 (AD6548) RF Main Chip (Transceiver) X500 Crystal, 26MHz Clock FL500 - 39 -...

  • Page 39: Rx Trouble

    4. TROUBLE SHOOTING 4.2 RX Trouble Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting (1) Check Crystal Circuit (2) Check Mobile SW &FEM (3) Check RX I/Q Signal Re-download SW or Do calibration again - 40 -...
  • Page 40 4. TROUBLE SHOOTING (1) Checking Crystal Circuit TEST POINT CHECKING FLOW R509 Crystal Circuit is OK 26 MHzO.K? See next Page to check See next Page to check Mobile SW Mobile SW Change X500 X500 R509 26M_DBB CIRCUIT R513 C514 C515 C519 1000p...
  • Page 41 4. TROUBLE SHOOTING (2) Checking Mobile SW & FEM TEST POINT Vdd (C539) CN500.ANT CN500 Vdd (C538) CN500.RF C545 Vctrl 1 C546 FL500 Vctrl 2 CIRCUIT C547 Vctrl 3 TP500 TP501 TP502 R502 WAVEFORM R504 R505 EGSM RX CN500 Vctrl 1 KMS-518 Vctrl 2 C518...
  • Page 42 4. TROUBLE SHOOTING Checking Flow For these 2 test case, No Call connection is needed Check CN500 Pin ANT,RF Changing CN500 Open with RF Cable connected. Check CN500 Pin ANT,RF Short Changing CN500 with No RF Cable Connected Check C545,C546,C547 Changing the Board.
  • Page 43 4. TROUBLE SHOOTING (3) Checking RX I/Q TEST POINT CIRCUIT C515 C515 C520 0.1u C544 AD6548 U501 U501 RX1900B RX1900 VLDO2 RX1800B VLDO1 RX1800 VBAT RX900B RX900 VCC_TXVCO RX850B TXOP_HI RX850 TXOP_LO VLDO3 Figure 4.2.3 C544 WAVEFORM Graph 4.2.3 CHECKING FLOW Check C515, C544.

  • Page 44: Tx Trouble

    4. TROUBLE SHOOTING 4.3 TX Trouble Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting (1)Check Crystal Circuit (2)Check Mobile SW & FEM (3)Check PAM control signal (4)Check TX I/Q Signal Redownload SW or...
  • Page 45 4. TROUBLE SHOOTING (1) Checking Crystal Circuit TEST POINT Checking Flow R509 Crystal Circuit is OK 26 MHzO.K? See next Page to check See next Page to check Mobile SW Mobile SW Change X500 X500 R509 26M_DBB CIRCUIT R513 C514 C515 C519 1000p...
  • Page 46 4. TROUBLE SHOOTING (2) Checking Mobile SW & FEM TEST POINT Vdd (C539) CN500.ANT CN500 Vdd (C538) CN500.RF C545 Vctrl 1 C546 FL500 Vctrl 2 CIRCUIT C547 Vctrl 3 TP500 TP501 TP502 Waveform R502 R504 Vctrl 1 R505 Vctrl 2 Vctrl 3 CN500 KMS-518...
  • Page 47 4. TROUBLE SHOOTING Checking Flow For the test, TX Stand alone Mode is needed. Refer to chapter 10 (PL=7 for EGSM, PL=2 for DCS&PCS) Check C545,C546,C547 Check whether Ant SW Check Vctrl 1,2,3 & Vdd Changing board Set as TX mode Refer to Graph 4.3.2 Refer to Table 4.3.2 Check RF Level of...
  • Page 48 4. TROUBLE SHOOTING (3) Checking PAM Control Signal TEST POINT CIRCUIT VBAT R500 100ohm PA_BAND R501 100ohm PA_EN C502 C503 C504 R503 TX_RAMP C505 C506 C507 U500 C508 C509 0.01u 0.01u R506 DCS_PCS_OUT DCS_PCS_IN C506 U500 R507 EGSM_OUT EGSM_IN SKY77318 (PAM_EN) RSVD_GND ENABLE...
  • Page 49 4. TROUBLE SHOOTING (4) Checking TX I/Q TEST POINT Waveform C544 C515 U501 Figure 4.3.4 Graph 4.3.4 CIRCUIT C515 C520 0.1u AD6548 U501 RX1900B RX1900 VLDO2 RX1800B VLDO1 RX1800 VBAT RX900B RX900 VCC_TXVCO RX850B TXOP_HI RX850 TXOP_LO VLDO3 C544 Checking Flow Check if there is Replace U501 Similar?

  • Page 50: Power On Trouble

    4. TROUBLE SHOOTING 4.4 Power On Trouble TEST POINT 2V5_VMIC 2V75_VABB 2V75_VVCXO 2V8_VMEM 2V8_VEXT 1V8_VCORE U101 2V85_VSIM Figure 4.4 CIRCUIT VBAT R308 SW301 2V8_VMEM 1V8_VCORE 2V75_VVCXO R309 POWERKEY 2V8_VEXT 2V75_VABB 2V5_VMIC 2V85_VSIM C111 VEXT01 C112 VMEM C113 2.2u (1608) VABB C114 VCORE C115...
  • Page 51 4. TROUBLE SHOOTING Checking Flow START Check Battery Voltage Charge or Change Battery > 3.35V Push power-on key Check the contact of power key And check the level change Or dome-switch into low of PWRKEY Check the voltage of Re-download software The LDO outputs at U104 VCORE=1.8V VVCXO=2.75V...

  • Page 52: Charging Trouble

    4. TROUBLE SHOOTING 4.5 Charging Trouble TEST POINT Anode D101 Q102 R117 CN301 Figure 4.5 CIRCUIT VIBRATOR GPIO_0 CHARGE DEBUG_RX GPIO_1 _WAIT GPIO_2 DEBUG_TX GPIO_3 VCHARGE FB100 FLIP GPIO_5 HOOK_DET GPIO_6 VBAT TP107 GPIO_7 JACK_DETECT GPIO_8 CAM_HOLD GPIO_9 R108 13M_AIT GPIO_10 C128 0.1u...
  • Page 53 4. TROUBLE SHOOTING Checking Flow START Change the battery Charging is Battery is charged? properly operating Resolder the CN301 Is I/O Connector(CN301) (Pin 4,5 : VCHARGE) well-soldered ? The TA is out of order Voltage at anode of Change the TA D101 = 5.2V ? Resolder the Are Q102,D101,R117...

  • Page 54: Vibrator Trouble

    4. TROUBLE SHOOTING 4.6 Vibrator Trouble TEST POINT Q300 Figure 4.6 CIRCUIT VBAT R341 VBAT R342 R343 Q300 R344 20K VIBRATOR R357 7.5K MOTOR C318 C319 EMZ2 D300 4.7u (1608) (N.A) - 55 -...
  • Page 55 4. TROUBLE SHOOTING Checking Flow SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu START Check the soldering Is the voltage at pin 3 of R344, R357 of Q300 high (0.65V)? Check the soldering Is the voltage at pin 2 of R341,R343 of Q300 low (2.3V) ?

  • Page 56: Lcd Trouble

    4. TROUBLE SHOOTING 4.7 LCD Trouble TEST POINT FL604 FL601 FL600 CN600 FL603 FL602 U400 Figure 4.7 - 57 -...
  • Page 57 4. TROUBLE SHOOTING CIRCUIT 2V8_VCAM R600 100K 1V8_DVDD 2V8_AVDD FL600 ICVE21054E250R401FR C600 C601 L_DATA00 INOUT_B4 INOUT_A4 L_DATA01 INOUT_B3 INOUT_A3 L_DATA02 INOUT_B2 INOUT_A2 CN600 L_DATA03 INOUT_B1 INOUT_A1 R601 L_DATA04 INOUT_A1 INOUT_B1 LCD_RD L_DATA05 INOUT_A2 INOUT_B2 FL602 L_DATA06 INOUT_A3 INOUT_B3 ICVE21054E250R401FR L_DATA07 INOUT_A4 INOUT_B4 VSYNCOUT...
  • Page 58 4. TROUBLE SHOOTING Checking Flow START Is the connection of FPCB with connector on Reassemble FPCB with CN600 connector PCB(CN600) ok ? Replace U400 Is Voltage pin8 of U400 2.8V? Check the soldering of Resoldering CN600 CN600 ? Change the FPCB and try again Check the soldering of Resoldering EMI filter(FL600~FL604) EMI filter ?

  • Page 59: Camera Trouble

    4. TROUBLE SHOOTING 4.8 Camera Trouble TEST POINT FL608 FL606 FL607 FL605 U402(AIT701G) U401 Figure 4.8 - 60 -...
  • Page 60 4. TROUBLE SHOOTING CIRCUIT 2V8_VCAM R600 100K 1V8_DVDD 2V8_AVDD FL600 ICVE21054E250R401FR C600 C601 L_DATA00 INOUT_B4 INOUT_A4 L_DATA01 INOUT_B3 INOUT_A3 L_DATA02 INOUT_B2 INOUT_A2 CN600 L_DATA03 INOUT_B1 INOUT_A1 R601 L_DATA04 INOUT_A1 INOUT_B1 LCD_RD L_DATA05 INOUT_A2 INOUT_B2 FL602 L_DATA06 INOUT_A3 INOUT_B3 ICVE21054E250R401FR L_DATA07 INOUT_A4 INOUT_B4 VSYNCOUT...
  • Page 61 4. TROUBLE SHOOTING Checking Flow START Does the LCD itself Go to the LCD trouble Has no trouble ? Check the voltage of pin 8 of Change the camera Check the voltage U401 is 2.8V ? module, Does it work of pin 2 of properly ? U402 LOW ?

  • Page 62: Speaker Trouble

    4. TROUBLE SHOOTING 4.9 Speaker Trouble TEST POINT R220 U203 R219 U202 Figure 4.9 CIRCUIT ACOUSTIC & MIDI VBAT VBAT C220 C222 C223 C224 C225 C221 (2125, 10V) 2.2u 0.1u (1608) R217 R218 100K U203 NLAS5223BMNR2G U202 TPA6203A1DRBR AMP_SHDN _SHUTDOWN C226 BYPASS SPK_RCV_N...
  • Page 63 4. TROUBLE SHOOTING Checking Flow START Check the state of Replace/Change speaker contact of speaker Check the Audio signal Change the U104 R220,R219 Check the Power voltage Change the U202 U202 = VBAT And work properly ? Check the Power voltage Change the U203 U203 = VBAT And work properly ?

  • Page 64: Sim Card Interface Trouble

    4. TROUBLE SHOOTING 4.10 SIM Card Interface Trouble TEST POINT R128 R126 J100 C155 Figure 4.10 CIRCUIT 2V85_VSIM 2V85_VSIM SIM CONNECTOR R127 R126 J100 GND1 SIM_RST R128 SIM_DATA SIM_CLK GND5 GND2 GND4 GND3 C155 C157 C158 C156 220n 1000p - 65 -...
  • Page 65 4. TROUBLE SHOOTING Checking Flow START Does the SIM card Change the SIM Card. support 3V or 1.8V ? This phone supports 3V or 1.8V SIM card. Voltage output Is Voltage at the pin1, pin6 Change the U104 of VSIM LDO of J100 2.85V or 1.8V? Is 2.85V? Resolder J100...

  • Page 66: Earphone Trouble

    4. TROUBLE SHOOTING 4.11 Earphone Trouble TEST POINT FB200 R214 J200 U201 Figure 4.11 CIRCUIT 2V5_JACK 2V8_VMEM 2V8_VEXT CLOSE TO EARJACK R200 R201 2V5_JACK R205 C200 0.1u R202 R203 R204 AUXIN HOOK_DET U200 STBY R207 C204 C201 C202 BGND VOUT C206 (2125) BH25FB1WHFV...
  • Page 67 4. TROUBLE SHOOTING Checking Flow START Resolder J200 Is voltage level at R201 Resolder R201, R203 About 2.4v? Is JACK_DETECT Change the U201 High(2.8V)? Set the audio part of the test equipment to PRBS or Continuous wave mode Can you hear Can you hear the sound from Change the earphone...

  • Page 68: Key Backlight Trouble

    4. TROUBLE SHOOTING 4.12 KEY backlight Trouble TEST POINT Q301 R359 Figure 4.12 - 69 -...

  • Page 69: Key Backlight

    4. TROUBLE SHOOTING CIRCUIT VBAT VBAT KEY BACKLIGHT Q301 R359 KEY_BACKLIGHT C324 R360 R361 C325 R362 IMX9T110 R363 R364 CHECKING FLOW START Is the level at R359 Check U104 High(2.9V)? Is the voltage at pin 1,4 Resolder or Replace Q301 of Q301 low(0.3V) ? Are all LEDs Check the soldering...

  • Page 70: Receiver Trouble

    4. TROUBLE SHOOTING 4.13 Receiver Trouble TEST POINT R123 R121 U104 Figure 4.13 CIRCUIT AIN1P VINNORP AIN1N VINNORN AIN2N AUXIN C142 AIN2P AUXIP C143 AIN3P REC_P R121 C145 AIN3N C146 R122 C147 AOUT1P R123 AOUT1N REC_N AOUT2P2 R124 AOUT2P1 SPK_P C148 C149 C150...
  • Page 71 4. TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max. START Does waveform at Change the U104 R121 and R123 fluctuate? Is receiver connected...

  • Page 72: Microphone Trouble

    4. TROUBLE SHOOTING 4.14 Microphone Trouble TEST POINT C214 R209 R210 R211 MIC 200 C215 Figure 4.14 CIRCUIT 2V5_VMIC R206 R208 C207 C203 2.2K (2125, 6.3V) R209 R210 VINNORP MIC200 100ohm C208 C209 C210 R211 OB4-15L42-C33L VINNORN 100ohm 0.1u C214 C215 R213 2.2K...
  • Page 73 4. TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Check the Change the U104 Voltage VMIC 2.5V Check the signal Level at each side Change the microphone of MIC200. Is it a few tens mV AC? Check the soldering of Resolder component...

  • Page 74: Rtc Trouble

    4. TROUBLE SHOOTING 4.15 RTC Trouble TEST POINT R104 X100 Figure 4.15 CIRCUIT KEY_ROW1 KEYPADROW1 KEY_ROW2 KEYPADROW2 C122 KEY_ROW3 KEYPADROW3 KEY_ROW4 KEYPADROW4 X100 MC-146_12_5PF OSCIN R104 OSCOUT C123 R102 26M_DBB CLKIN 1000p 100ohm 32.768KHz C124 - 75 -...
  • Page 75 4. TROUBLE SHOOTING Checking Flow START Is frequency Resolder the X100 or at R107 about 32.768KHz? change the X100 YE S Is voltage Resolder the X100 or at R107 about 400mV? change the X100 Re-download software and try Is RTC properly working? again RTC will work properly - 76 -...

  • Page 76: Indicator Led Trouble

    4. TROUBLE SHOOTING 4.16 Indicator LED Trouble TEST POINT R106 Q100 LD100 Figure 4.16 CIRCUIT INDICATOR LED CHARGE VCHARGE VBAT VBAT R108 C128 0.1u C125 LD100 R109 Q101 R110 R112 Q100 PRE_CHARGE_R INDLED_R INDLED_R 1.5K R111 7.5K R113 2SC5585 UMX1NTN R106 - 77 -...
  • Page 77 4. TROUBLE SHOOTING Checking Flow START Resolder the Q101 or Is voltage level at INDLED_R change the Q101 About 1.6V? YE S Is voltage drop across change the LD100 The LD100 about 2.0V? Resolder the Q100 or Is voltage at the Pin 1 of Q100 replace the Q100 About 1.0V? LED will work properly...

  • Page 78: Folder On/Off Trouble

    4. TROUBLE SHOOTING 4.17 Folder on/off Trouble TEST POINT U300 R358 Figure 4.17 CIRCUIT 2V8_VMEM (GPIO_5) R358 FLIP C320 C321 C322 C323 0.1u U300 A3212EELLT-T - 79 -...
  • Page 79 4. TROUBLE SHOOTING Checking Flow START Is there the magnet Place the magnet properly. in the Folder? Resolder R358 Check the soldering of R358 Voltage at pin 1 Voltage of VEXT at U104 of U300 = 2.8V? = 2.8V? Resolder U300 Replace U104 Open Folder.

  • Page 80: Download

    5. DOWNLOAD 5. DOWNLOAD 5.1 Download A. Download Setup Figure 5.1 describes Download setup Figure 5.1 Download Setup - 81 -...
  • Page 81 5. DOWNLOAD B. Multi Download Procedure 1. Run GSM Multi Download program and select Setting - 82 -...
  • Page 82 5. DOWNLOAD 2. Select Configuration from the menu and you may see this window 3. Press key to select DLL file and press Open - 83 -...
  • Page 83 5. DOWNLOAD 4. Press key to select the mot files 5. Select AlchemyData.mot and press open 6. Repeat step 4-5 to select CodeData.mot - 84 -...
  • Page 84 5. DOWNLOAD 7. Check if the ADI option is set to Hermes 8. Press OK to end Configuration Select Rate - 85 -...
  • Page 85 5. DOWNLOAD 9. Press START to execute download 10. Once downloading is started, press STOP button to keep from re-downloading after downloading is completed. - 86 -...

  • Page 86: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM Figure 8.1 LG-KP202 Block Diagram - 87 -...
  • Page 87 - 88 -...

  • Page 88: Circuit Diagram

    C.O. LEE GND4 GND3 2007 C156 C155 C157 C158 DRAWING 220n 1000p 01/16 NAME Approved C.O. LEE 2007 OJ100 OJ101 OJ102 OJ103 DRAWING VER-1.0 LG Electronics Inc. Iss. Notice No. Date Name LG(42)-A-5505-10:01 LG Electronics Inc. LGMC - 89 -...
  • Page 89 Sign & Name Sheet/Sheets KP202 MODEL 01/16 Designer K.N. KIM 2007 01/16 Checked C.O. LEE 2007 DRAWING AUDIO NAME 01/16 Approved C.O. LEE 2007 DRAWING Iss. Notice No. Date Name VER-1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 90 -...
  • Page 90 R360 R361 01/16 KP202 MODEL K.N. KIM Designer C325 2007 R362 R363 R364 IMX9T110 01/16 C.O. LEE Checked 2007 DRAWING MMI,I/O NAME 01/16 C.O. LEE Approved 2007 DRAWING VER-1.0 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 91 -...
  • Page 91 KP202 01/16 K.N. KIM Designer 2007 01/16 C.O. LEE Checked 2007 DRAWING CAMERA IC/ CHARGE PUMP 01/16 NAME C.O. LEE Approved 2007 DRAWING VER-1.0 Iss. Notice No. Date Name LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 92 -...
  • Page 92 Designer J. H. CHUNG 5 / 6 2007 Checked 01/16 C. O. LEE DRAWING 2007 NAME Approved 01/16 C. O. LEE 2007 DRAWING VER-1.0 Iss. Date Name Notice No. LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 93 -...
  • Page 93 MODEL Sheets KP202 01/16 Designer K.N. KIM 2007 01/16 Checked C.O. LEE 2007 DRAWING LCD CONNECTOR NAME 01/16 Approved C.O. LEE 2007 DRAWING Iss. Notice No. Date Name LG Electronics Inc. VER-1.0 LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 94 -...
  • Page 94 C_CD04 INOUT_A1 INOUT_B1 AXK720145 C_CD05 INOUT_A2 INOUT_B2 C_HS INOUT_A3 INOUT_B3 C_VS INOUT_A4 INOUT_B4 Section Date Sign & Name KP202 01/16 S.H.LIM Designer 2007 01/16 K.N.KIM FPCB Checked 2007 01/16 C.O.LEE Approved 2007 LG Electronics Inc. VER_1.0 LGMC - 95 -...
  • Page 95 Sign & Name Sheet/ Sheets MODEL 01/16 KP-202 S.H.LIM Designer 2007 01/16 Checked K.N.KIM 2007 DRAWING SIDEKEY_FPCB NAME 01/16 C.O.LEE Approved 2007 DRAWING VER_1.0 Iss. Notice No. Date Name LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. LGMC - 96 -...

  • Page 96: Pcb Layout

    8. PCB LAYOUT - 97 -...
  • Page 97 8. PCB LAYOUT - 98 -...
  • Page 98 8. PCB LAYOUT - 99 -...
  • Page 99 8. PCB LAYOUT - 100 -...
  • Page 100 8. PCB LAYOUT - 101 -...
  • Page 101 - 102 -...

  • Page 102: Engineering Mode

    9. ENGINEERING MODE 9. ENGINEERING MODE A. About Engineering Mode Engineering mode is designed to allow a service man/engineer to view and test the basic functions provided by a handset. B. Access Codes The key sequence for switching the engineering mode on is 2945#*#. Pressing END will switch back to non-engineering mode operation.

  • Page 103: Bb Test [Menu 1]

    9. ENGINEERING MODE 9.1 BB Test [MENU 1] 9.1.1 CAMERA This menu is to test the Camera. 1) Main LCD preview : It shows the picture on Main LCD. 9.1.2 LCD 1) Brightness 2) COLOUR : WHITE, RED, GREEN, BLUE, BLACK 9.1.3 Backlight This menu is to test the LCD Backlight.
  • Page 104 9. ENGINEERING MODE 9.1.6 ADC (Analog to Digital Converter) This displays the value of each ADC. 1) MVBAT ADC : Main Voltage Battery ADC 2) AUX ADC : Auxiliary ADC 3) TEMPER ADC : Temperature ADC 9.1.7 BATTERY 1) Bat Cal : This displays the value of Battery Calibration. The following menus are displayed in order : BAT_LEV_4V, BAT_LEV_3_LIMIT, BAT_LEV_2_LIMIT, BAT_LEV_1_LIMIT, BAT_IDLE_LI MIT, BAT_INCALL_LIMIT, SHUT_DOWN_VOLTAGE, BAT_RECHARGE_LMT...

  • Page 105: Rf Test [Menu 2]

    9. ENGINEERING MODE 9.2 RF Test [MENU 2] 9.2.1 SAR test This menu is to test the Specific Absorption Rate. 1) SAR test on : Phone continuously process TX only. Call-setup equipment is not required. 2) SAR test off : TX process off 9.3 MF mode [MENU 3] This manufacturing mode is designed to do the baseband test automatically.

  • Page 106: Trace Option [Menu 4]

    9. ENGINEERING MODE 9.3.7 MicSpk Test The sound from MIC is recorded for about 3 seconds, then it is replayed on the speaker automatically. 9.3.8 Camera Test This menu is to test camera(preview and capture automatically.) 9.4 Trace option [MENU 4] This is NOT a necessary menu to be used by neither engineers nor users.

  • Page 107: Stand Alone Test

    10. STAND ALONE TEST 10. STAND ALONE TEST 10.1 Introduction This manual explains how to examine the status of RX and TX of the model. A. Tx Test TX test - this is to see if the transmitter of the phones is activating normally. B.

  • Page 108: Means Of Test

    10. STAND ALONE TEST 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 Connect Button Figure 10.3.1 HW test program - 109 -...
  • Page 109 10. STAND ALONE TEST Figure 10.3.2 HW test setting Figure 10.3.3 Ramping profile - 110 -...

  • Page 110: Auto Calibration

    11. AUTO CALIBRATION 11. AUTO CALIBRATION 11.1 Overview Auto-cal (Auto Calibration) is the PC side Calibration tool that perform Tx, Rx and Battery Calibration with Agilent 8960(GSM call setting instrument) and Tektronix PS2521G(Programmable Power supply). Auto-cal generates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone.

  • Page 111: Test Jig Operation

    11. AUTO CALIBRATION JTAG2 JTAG1 Status ADI-REMOTE TI-REMOTE POWER VBAT UART Status POWER Figure 11.2.2 The top view of Test JIG 11.3 Test Jig Operation Power Source Description Power Supply Usually 4.0V Table 11.3.1 Jig Power Switch Number Name Description Switch 1 ADI-REMOTE In ON state, phone is awaked.

  • Page 112: Procedure

    1. Connect as Fig 11.2.2 (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 menu, Select KP202! KP202 - 113 -...
  • Page 113 11. AUTO CALIBRATION 4. Press Calibration START KP202 KP202 - 114 -...

  • Page 114: Agc

    11. AUTO CALIBRATION 11.5 AGC This procedure is for Rx calibration. In this procedure, We can get RSSI correction value. Set band EGSM and press Start button the result window will show correction values per every power level and gain code and the same measure is performed per every frequency.
  • Page 115 - 116 -...

  • Page 116: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW - 117 -...
  • Page 117 - 118 -...

  • Page 118: Replacement Parts

    Color COVER ASSY, ACGJ00 ACGJ0060801 KP202 Upper Ass'y, Common Black FOLDER(UPPER) AWAB00 WINDOW ASSY,LCD AWAB0026601 KP202 WIndow Sub, Open, Black Black BFAA00 FILM,INMOLD BFAA0062901 ; ,[empty] , , , Black MCJJ00 COVER,FOLDER(UPPER) MCJJ0046901 MOLD, PC LUPOY SC-1004A, , , , ,...
  • Page 119 Color Without MWAE00 WINDOW,CAMERA MWAE0024101 CUTTING, PMMA MR 200, , , , , Color ACGK00 COVER ASSY,FRONT ACGK0084002 KP202 Front Ass'y, Orange Black MBFZ00 BRACKET MBFZ0027401 MOLD, PC LUPOY SC-1004A, , , , , Gray MBHY00 BUMPER MBHY0003512 MOLD, Urethane Rubber S190A, , , , ,...
  • Page 120 MLAK00 LABEL,MODEL MLAK0006901 SAFY PCB ASSY,MAIN SAFY0188513 SAFB00 PCB ASSY,MAIN,INSERT SAFB0069401 ADCA00 DOME ASSY,METAL ADCA0061901 KP202 DOME SHEET Black MCBA00 CAN,SHIELD MCBA0014801 PRESS, STS, , , , , Silver MPBH00 PAD,MIKE MPBH0028301 COMPLEX, (empty), , , , , Black Without...

  • Page 121: Main Component

    12. EXPLODED VIEW & REPLACEMENT PART LIST <Main component> Note: This Chapter is used for reference, Part order is ordered by SBOM standard on GCSC Location Level Description Part Number Specification Color Remark SACY00 PCB ASSY,FLEXIBLE SACY0046102 SACE00 PCB ASSY,FLEXIBLE,SMT SACE0041302 PCB ASSY,FLEXIBLE,SMT SACC01...
  • Page 122 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C108 CAP,CERAMIC,CHIP ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C109 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C110 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C111 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 123 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C145 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C146 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C147 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C148 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C149 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C150 CAP,CERAMIC,CHIP ECCH0000120...
  • Page 124 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C324 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C325 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C400 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C401 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 125 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C519 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C520 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C521 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C522 CAP,CHIP,MAKER ECZH0000826...
  • Page 126 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C607 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C608 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP CN301 CONNECTOR,I/O ENRY0003501 24 PIN,0.5 mm,ANGLE , , ,SMD , dB,H=1.85 ,; ,3.00MM ,STRAIGHT ,RF ADAPTER CN500 CONN,RF SWITCH ENWY0005301...
  • Page 127 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R101 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R102 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP R103 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R104 RES,CHIP ERHY0000512 10M ohm,1/16W,J,1608,R/TP...
  • Page 128 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R215 RES,CHIP,MAKER ERHZ0000467 330 Kohm,1/16W ,J ,1005 ,R/TP R216 RES,CHIP,MAKER ERHZ0000407 1000 Kohm,1/16W ,J ,1005 ,R/TP R217 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R218 RES,CHIP,MAKER ERHZ0000476 39 Kohm,1/16W ,J ,1005 ,R/TP...
  • Page 129 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R363 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP R364 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP R400 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R402 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP...
  • Page 130 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark U103 EUSY0154001 US8 ,8 PIN,R/TP ,Dual 2-Input OR Gate, Pb Free U104 EUSY0280001 CSP_BGA ,289 PIN,R/TP ,GSM Onechip Baseband SC70 ,5 PIN,R/TP ,Comparator, pin compatible to U201 EUSY0250501 EUSY0077701...
  • Page 131 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C308 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C309 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C310 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C311 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 132 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R316 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP R319 RES,CHIP,MAKER ERHZ0000505 680 ohm,1/16W ,J ,1005 ,R/TP R322 RES,CHIP,MAKER ERHZ0000505 680 ohm,1/16W ,J ,1005 ,R/TP R327 RES,CHIP,MAKER ERHZ0000505 680 ohm,1/16W ,J ,1005 ,R/TP...
  • Page 133 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark VA312 VARISTOR SEVY0000702 14 V,10% ,SMD , VA313 VARISTOR SEVY0000702 14 V,10% ,SMD , - 134 -...

  • Page 134: Accessory

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.3 Accessory Note: This Chapter is used for reference, Part order is ordered by SBOM standard on GCSC Location Level Description Part Number Specification Color Remark 3.7 V,830 mAh,1 CELL,PRISMATIC ,KG120 BATT, Europe SBPL00 BATTERY PACK,LI-ION SBPL0086001...
  • Page 135 Note...
  • Page 136 Note...

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