LG MG280 Service Manual
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LG MG280 Service Manual

LG MG280 Service Manual

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Service Manual
MG280
4:11 am
05/01 Vie
Presione tecla Cáma
Date: February, 2007 / Issue 1.0

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Summary of Contents for LG MG280

  • Page 1 Service Manual MG280 4:11 am 05/01 Vie Presione tecla Cáma Date: February, 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 ........99 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 Polymer, 3.7V 800mAh Stand by TIME Up to 200 hrs : Paging Period 5, RSSI 85dBm 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 GSM850 TX: 890 + n x 0.2 MHz RX: 935 + n x 0.2 MHz (n=1~124) Frequency Band TX: 1850 + (n-512) x 0.2 MHz RX: 1930+ (n-1512) x 0.2 MHz (n=512~810) TX: 1710 + (n-512) x 0.2 MHz RX: 1805 + (n-512) 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 DCS/PCS (due to modulation) 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% @-100 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 3.33 0.03 V 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, U600) 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 Figure 6. 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) GND IN RF input 880-915 MHz (GSM) RF and DC Ground VCC1B...

  • Page 16: Transceiver (Ad6549, U601)

    3. TECHNICAL BRIEF 3.2 Transceiver (AD6549, U601) The AD6548/9 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 GOMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 Name Description Name Description VCC_FE Front end supply (IP) VCC_REF Reference Oscillator Supply (IP) I baseband input/output VAFC/ AD6548 Crystal Freq control (IP) AD6549: Spare Pin I baseband input/output REFIN Crystal Connection VCC_BBI Baseband I, TX path supply (IP) REFINB...

  • Page 18: Fem For Triband(Fl600)

    3. TECHNICAL BRIEF 3.3 FEM for Triband(FL600) ANT_SW1 ANT_SW2 GSM_TX High DCS/PCS_TX High GSM_RX DCS_RX PCS_RX Table 3-1 Band SW Logic Table FL600 LSHS-M085FJ C615 GND7 GSM850_900_TX GND6 GSM1800_1900_TX GND5 GND4 GSM1900_RX_OUT2 GND3 GSM1900_RX_OUT1 GND2 GSM1800_RX_OUT2 GND1 GSM1800_RX_OUT1 GSM900_RX_OUT2 GSM900_RX_OUT1 R616 100ohm ANT_SW2...

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

    3. TECHNICAL BRIEF 3.4 26 MHz Clock (VCTCXO, X500) The 26 MHz clock(X600) consists of a TCXO(Temperature Compensated Crystal Oscillator) which oscillates at a frequency of 26 MHz. It is used within the SKY77318, base band processor(AD6720,U101), Midi(U204, YMU792) , CAMERA( U401,AIT701G ) 2V75_VVCXO X600 R622...
  • Page 20 3. TECHNICAL BRIEF 3.5 Baseband Processor (AD6720 , U101) • 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 3-4 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, U201. 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 3-3.
  • 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: Baseband Processor (Ad6720 , U101)

    3. TECHNICAL BRIEF E. LDO Block There are 8 LDOs in the AD6720. - VCORE : supplies Digital baseband Processor core and AD6720 digital core - VMEM : supplies external memory and the interface to the external memory on the digital baseband processor (1,8V or 2.8V, 150mA) - VEXT : supplies Radio digital interface and high voltage interface (2.8V, 170mA) - VSIM : supplies the SIM interface circuitry on the digital processor and SIM card (2.85V, 20mA)
  • Page 26 3. TECHNICAL BRIEF VCHARGE VBAT CHARGING C224 R211 0.1u R214 Q201 R215 R216 PRE_CHARGE_R INDLED_R 1.5K 7.5K R217 R218 UMX1NTN VBAT VCHARGE NORMAL CHARGING C225 R212 C223 D200 4.7u CUS02 R213 Q200 GATEDRV ISENSE TPCF8102-TE85L-F Figure 3-6. CIRCUIT FOR BATTERY CHARGING - 27 -...

  • Page 27: Display And Interface

    3. TECHNICAL BRIEF 3.7 Display and Interface • Main LCD Properties Spec. Unit Active Screen Size 28.032*35.04 Color Depth 262,144 colors Resolution 128 X RGB X 160 dots Controlled by L_MAIN_LCD_CS, LCD_RESET, LCD_RS, LCD_WR, LCD_RD, IFMODE, L_DATA[00:15] ports • L_MAIN_LCD_CS : MAIN LCD driver chip enable. MAIN LCD driver IC has own CS pin •...
  • Page 28 3. TECHNICAL BRIEF LCD CONNECTOR 35pin(ZIP) FL101 EVRC14S03Q030050R L_DATA00 INOUT_A1 INOUT_B1 2V8_VLCD L_DATA02 INOUT_A2 INOUT_B2 CN101 L_DATA04 INOUT_A3 INOUT_B3 L_DATA06 INOUT_A4 INOUT_B4 * LCD CON : Top Contact Type (50 ohm, 15pF) FL102 EVRC14S03Q030050R L_DATA01 INOUT_A1 INOUT_B1 L_DATA03 INOUT_A2 INOUT_B2 L_DATA05 INOUT_A3 INOUT_B3...

  • Page 29: Camera Ic(Ait701G , U401)

    3. TECHNICAL BRIEF 3.8 Camera IC(AIT701G , U401) 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 CAMERA CTL IC 2V8_VEXT VBAT 2V8_VCAM 15p 100 15p 1V8_VCAM FL401 EVRC14S03Q030100R U400 DATA00 A_DATA00 INOUT_A1 INOUT_B1 DATA01 INOUT_A2 INOUT_B2 A_DATA01 R400 RT9011-MGPQW DATA02 A_DATA02 INOUT_A3 INOUT_B3 100K DATA03 INOUT_A4 INOUT_B4 A_DATA03 VOUT1 VOUT2 SFEY0013201 C400 C401 C402 R403 FL402...

  • Page 31: Keypad Switches And Scanning

    3. TECHNICAL BRIEF 3.9 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 14 switches (Normal Key 12EA, Volume up down side key, PWRdown side key), connected in a matrix of 5 rows by 3 columns, as shown in Figure 3-11, except for the power switch (KB1), which is connected independently.
  • Page 32 3. TECHNICAL BRIEF Touch-pad Switches and Scanning Figure 3-11. Touch-pad Switches and Scanning - 33 -...

  • Page 33: Microphone

    3. TECHNICAL BRIEF 3.10 Microphone The microphone is placed to the Rear 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 34 3. TECHNICAL BRIEF 64 POLY MIDI IC(MP3 Ringtone) ACOUSTIC & MIDI VBAT 1V8_VCAM 2V8_VCAM VBAT FB200 SPK_N SPK_RCV_P C200 C201 SPK_P U200 4.7u C202 C203 C204 C205 0.1u 4.7u 4.7u 0.1u COM2 SPK_RCV_N C206 0.1u C234 C208 _MIDI_RST COM1 0.1u SPK_SEL R230 _RST...

  • Page 35: Headset Interface

    3. TECHNICAL BRIEF 3.12 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 36: Key Back-Light Illumination

    3. TECHNICAL BRIEF 3.13 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. KEY BACKLIGHT VBAT VBAT Q400 IMX9T110 EDLH0012501 R417 KEY_BACKLIGHT Figure 3-15. KEY BACK-LIGHT ILLUMINTION - 37 -...

  • Page 37: Lcd Back-Light Illumination

    3. TECHNICAL BRIEF 3.14 LCD Back-light Illumination LCD backlight LEDs is controlled by AD6720 via AAT3157, U201. LCD Backlight VBAT FB201 MLED U201 BLM15AG100PN1 ECCH0004904 SFBH0007102 C201 C202 R203 ECCH0004904 LCD_DIM_CTL EN_SET MLED1 MLED2 MLED3 C204 R204 C203 C205 C206 AAT3157ITP-T1 Figure 3-16.

  • Page 38: Vibrator

    3. TECHNICAL BRIEF 3.15 VIBRATOR The vibrator is placed in the folder cover and contacted to LCD MODULE. The vibrator is driven from VIBRATOR (GPIO_0) of AD6720 VBAT VBAT VIBRATOR R318 R319 R320 R321 Q300 100ohm R322 VIBRATOR L301 OUT300 27nH D300 EMZ2...

  • Page 39: Bluetooth

    3. TECHNICAL BRIEF 3.16 Bluetooth BT_ANT BLUETOOTH ANT700 C716 FEED 1.8p VBAT 2V8_VBT C717 R702 U700 VOUT GND1 R701 4.7K BT_LDO_EN GND2 R1114D281D-TR-F C703 C704 R717 C715 C702 C700 FM_ANT 100K 0.1u 100p C701 U702 EWFMLBAXX 2V8_VMEM FM_ANT BT_ANT PCM_RX_BT GND1 TP700 PCM_TX_BT...

  • Page 40: Trouble Shooting

    4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.1 RF Component TEST POINT FL600 U600 U601 X600 Figure 4-1 U600 Power Amp Module(SKY77318) U601 (AD6548) RF Main Chip X600 VCTCXO, 26MHz Clock FL600 - 41 -...

  • Page 41: 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 VCTCXO (2) Check Mobile SW &FEM (3) Check RX IQ Redownload SW or Do calibration again - 42 -...
  • Page 42 4. TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT CHECKING FLOW X600.4 (VCC) VCTCXO Circuit is OK VCTCXO Circuit is OK Check Pin 3. 26 MHzO.K? See next Page to check See next Page to check Refer to Graph 4-1(b) Mobile SW Mobile SW 2.75V OK?
  • Page 43 4. TROUBLE SHOOTING (2) Checking FEM & Mobile SW TEST POINT SW500.ANT SW600 SW600.RF C630 C641 VC_EGSM(VC2) VC_DCSPCS(VC1) FL600 FL600.10 (C635) FL600.12 (C624) CIRCUIT WAVEFORM TP600 TP601 TP602 FL301. 10 R604 R625 R603 VC_DCSPCS C649 5.6p R606 VC_EGSM R609 R610 SW600 ENWY0004501 RF500...
  • Page 44 4. TROUBLE SHOOTING CHECKING FLOW For these 2 test case, No Call connection is needed Check SW600 Pin ANT,RF Changing SW600 Open with RF Cable connected. Check SW600 Pin ANT,RF Changing SW600 Short with No RF Cable Connected Check C630,C631 VC1 :Low Changing the Board.
  • Page 45 4. TROUBLE SHOOTING (3) Checking RX IQ TEST POINT CIRCUIT C614 U601 RX1900B RX1900 VLDO2 RX1800B VLDO1 U601 RX1800 VBAT AD6549 RX900B RX900 VCC_TXVCO RX850B TXOP_HI RX850 TXOP_LO VLDO3 C625 0.1u EUSY0280103 C634 C614 C634 Figure 5 WAVEFORM Graph 3 CHECKING FLOW Check C634,C614.

  • Page 46: 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 regulator circuit (2)Check VCTCXO (3)Check Mobile SW & FEM (4)Check PAM control signal (5)Check TX IQ...
  • Page 47 4. TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT CHECKING FLOW X600.4 (VCC) VCTCXO Circuit is OK VCTCXO Circuit is OK Check Pin 3. 26 MHzO.K? See next Page to check See next Page to check Refer to Graph 4(b) Mobile SW Mobile SW 2.75V OK?
  • Page 48 4. TROUBLE SHOOTING (2) Checking Mobile SW & FEM TEST POINT SW500.ANT SW600 SW600.RF C630 C641 VC_EGSM(VC2) VC_DCSPCS(VC1) FL500 FL600.10 (C635) FL600.12 (C624) Figure 8 CIRCUIT Waveform TP600 TP601 TP602 R604 R625 R603 C649 5.6p R606 R609 R610 SW600 ENWY0004501 RF500 Graph 5(a) GSM Tx mode FL600...
  • Page 49 4. TROUBLE SHOOTING Checking Flow For the test, TX Stand alone Mode is needed. Refer to chapter 11 (PL=7 for GSM, PL=2 for DCS) Check C630,C631 Check whether Ant SW Check VC_EGSM, Changing board Set as TX mode VC_DCSPCS Refer to Graph 5 Refer to Table 4-3 Check RF Level of Pin9 : ~29.5dBm...
  • Page 50 4. TROUBLE SHOOTING (3) Checking PAM Control Signal TEST POINT CIRCUIT C605 C651 0.01u 0.01u U600 C608 R605 R608 R607 DCS_PCS_OUT DCS_PCS_IN C611 R612 R611 R613 EGSM_OUT EGSM_IN U600 RSVD_GND ENABLE SKY77318 P_GND R601 100ohm PA_EN C650 R602 100ohm PA_BAND (TX_RAMP) C606 C607...
  • Page 51 4. TROUBLE SHOOTING (4) Checking TX IQ TEST POINT Waveform C614 C634 Graph 7 Figure 10 CIRCUIT C614 RX1900B RX1900 VLDO2 RX1800B VLDO1 U601 RX1800 VBAT AD6549 RX900B RX900 VCC_TXVCO RX850B TXOP_HI RX850 TXOP_LO VLDO3 C625 0.1u EUSY0280103 C634 Checking Flow Check if there is Replace U101 Similar?

  • Page 52: Power On Trouble

    4. TROUBLE SHOOTING 4.4 Power On Trouble TEST POINT 2V75_VABB 2V75_VVCXO 2V5_VMIC 2V85_VSIM 2V8_VMEM U101 1V8_VCORE 2V8_VEXT Figure 11 CIRCUIT 2V8_VEXT 2V8_VMEM 1V8_VCORE 2V75_VVCXO 2V8_VEXT 2V75_VABB 2V5_VMIC 2V85_VSIM C110 VEXT01 C111 VMEM C112 2.2u VABB C113 VCORE C114 VMIC C115 VVCXO C116 VSIM...
  • Page 53 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 of PWRKEY Check the voltage of Replace U101 The LDO outputs at U101 VCORE=1.8V VVCXO=2.75V VMEM=2.8V...

  • Page 54: Charging Trouble

    4. TROUBLE SHOOTING 4.5 Charging Trouble TEST POINT R212 D200 R213 CN300 Q200 Figure 12 CIRCUIT Charging IC VCHARGE VBAT VCHARGE VBAT C224 R211 C225 R212 C223 D200 0.1u 4.7u CUS02 R213 R214 Q201 Q200 GATEDRV R215 R216 PRE_CHARGE_R INDLED_R 1.5K 7.5K ISENSE...
  • Page 55 4. TROUBLE SHOOTING Checking Flow START Resolder the CN300 I/O Connector(CN300) Pin 12,13 : VCHARGE Is well-soldered ? Pin18 : GND The TA is out of order Voltage at anode of Change the TA D200 = 5.2V ? Resolder the Q200,D200,R213 are Q200, D200, R213 well-soldered?

  • Page 56: Vibrator Trouble

    4. TROUBLE SHOOTING 4.6 Vibrator Trouble TEST POINT D300 R320 R319 Q300 R322 R324 R318 R321 Figure 13 CIRCUIT VBAT VBAT VIBRATOR R318 R319 R320 R321 Q300 100ohm R322 VIBRATOR L301 OUT300 27nH D300 EMZ2 C329 1SS352-TPH3_F 4.7u L302 OUT301 R324 27nH C335...
  • Page 57 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 R322, R324 of Q300 high ? Resolder R322, R324 Check the soldering Is the voltage at pin 2 of R318,R321...

  • Page 58: Lcd Trouble

    4. TROUBLE SHOOTING 4.7 LCD Trouble TEST POINT CN101 FL101 FL104 FL102 FL103 FL105 U103 Figure 14 - 59 -...
  • Page 59 4. TROUBLE SHOOTING LCD Trouble CIRCUIT LCD CONNECTOR 35pin(ZIP) FL101 EVRC14S03Q030050R L_DATA00 INOUT_A1 INOUT_B1 2V8_VLCD L_DATA02 INOUT_A2 INOUT_B2 CN101 L_DATA04 INOUT_A3 INOUT_B3 L_DATA06 INOUT_A4 INOUT_B4 * LCD CON : Top Contact Type (50 ohm, 15pF) FL102 EVRC14S03Q030050R L_DATA01 INOUT_A1 INOUT_B1 L_DATA03 INOUT_A2 INOUT_B2...
  • Page 60 4. TROUBLE SHOOTING CHECKING FLOW START Is the connection of FPCB with connector on Reassemble FPCB with CN101 connector PCB(CN101) ok ? Replace U103 Is Voltage pin3 of U103 2.8V? Check the soldering of Resoldering CN101 CN101 ? Change the FPCB and try again Check the soldering of Resoldering EMI filter(FL101~FL105) EMI filter ?

  • Page 61: Camera Trouble

    4. TROUBLE SHOOTING 4.8 Camera Trouble TEST POINT FL202 FL201 FL203 U400 Figure 16 U401(AIT701G) Figure 17 - 62 -...
  • Page 62 4. TROUBLE SHOOTING Camera Trouble CIRCUIT CAMERA 2V8_AVDD 2V8_AVDD 1V8_VDD CAM_PWR_EN FL201 EVRC14S03Q030050R R299 C_CD00 INOUT_A1 INOUT_B1 CN201 C_CD01 INOUT_A2 INOUT_B2 R201 R202 C_CD02 INOUT_A3 INOUT_B3 4.7K 4.7K C_CD03 INOUT_A4 INOUT_B4 C_MCLK C_RST C_PCLK INOUT_B1 INOUT_A1 C_SCK SFEY0013101 C_SDA INOUT_B2 INOUT_A2 INOUT_B3 INOUT_A3...
  • Page 63 4. TROUBLE SHOOTING CHECKING FLOW START Does the LCD itself Go to the LCD trouble Has no trouble ? Change the camera Check the voltage Check the voltage module, Does it work of pin 3 of of pin 1 of properly ? U400 LOW ? U400 is 2.8V ?

  • Page 64: Speaker Trouble

    4. TROUBLE SHOOTING 4.9 Speaker Trouble TEST POINT U204 CIRCUIT 64 POLY MIDI IC(MP3 Ringtone) ACOUSTIC & MIDI VBAT 1V8_VCAM 2V8_VCAM VBAT FB200 SPK_N SPK_RCV_P C200 C201 SPK_P U200 4.7u C202 C203 C204 C205 0.1u 4.7u 4.7u 0.1u COM2 SPK_RCV_N C206 0.1u C234...
  • Page 65 4. TROUBLE SHOOTING CHECKING FLOW START Check the signal level Re-Place U204 ofU204.17 = 2.85V? Check the state of Replace speaker contact of speaker Speaker Working well!! - 66 -...

  • Page 66: Sim Card Interface Trouble

    4. TROUBLE SHOOTING 4.10 SIM Card Interface Trouble TEST POINT J300 C317 Figure 19 CIRCUIT SIM CONNECTOR 2V85_VSIM 2V85_VSIM R315 R303 J300 GND4 GND3 GND5 GND2 SIM_DATA SIM_CLK SIM_RST GND1 C318 C319 C316 C317 HSSC-6p-23 ENSY0014601 1000p 220n - 67 -...
  • Page 67 4. TROUBLE SHOOTING CHECKING FLOW START Does the SIM cards Change the SIM Card. Our phone supports 3V ? supports only 3V SIM card. Voltage output Voltage at pin1 of Resolder J300 of VSIM LDO J300 is 2.85V? Is 2.85V? Replace J300 Change the SIM Card Redownload SW.

  • Page 68: Earphone Trouble

    4. TROUBLE SHOOTING 4.11 Earphone Trouble TEST POINT CN300 U301 U300 U302 U303 Figure 20 CIRCUIT EAR-MIC 2V8_VEXT 2V6_JACK U302 VOUT GND1 R301 JACK_LDO_EN GND2 4.7K C305 C306 R1114D251D R302 C303 C304 EUSY0299301 0.1u 100K 2V6_JACK R305 C307 R306 R307 FB302 EAR_MIC_IN EAR_MIC...
  • Page 69 4. TROUBLE SHOOTING CHECKING FLOW START Resolder CN300 Does the audio Level at pin3 profile of the phone Replace U302 change to the of U302 is high earphone mode? Replace U101 Set the audio part of the test equipment to Replace U301 Set the audio part of the test Change the earphone...

  • Page 70: Key Backlight Trouble

    4. TROUBLE SHOOTING 4.12 KEY backlight Trouble TEST POINT R417 - 71 -...

  • Page 71: Key Backlight

    4. TROUBLE SHOOTING CIRCUIT KEY BACKLIGHT VBAT VBAT Q400 IMX9T110 EDLH0012501 R417 KEY_BACKLIGHT CHECKING FLOW START Is the level at R417 Check U101 High? Are all LEDs Check the soldering Working? each R and LED Replace or resoldering Backlight will work properly. component - 72 -...

  • Page 72: Receiver Trouble

    4. TROUBLE SHOOTING 4.13 Receiver Trouble TEST POINT R119 R123 U101 Figure 22 CIRCUIT AIN1P VINNORP AIN1N VINNORN AUXIN AIN2N AIN2P AUXIP R119 AIN3P REC_P C130 AIN3N AOUT1P R123 AOUT1N REC_N AOUT2P2 SPKP_P AOUT2P1 C131 C132 C133 C134 R125 C135 C136 AOUT2N1 AOUT2N2...
  • Page 73 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 Replace main board R119 and R123 fluctuate? Is receiver connected...

  • Page 74: Microphone Trouble

    4. TROUBLE SHOOTING 4.14 Microphone Trouble TEST POINT C228 R222 R221 C230 MIC200 Figure 23 CIRCUIT 2V5_VMIC MAIN MIC R219 ECTH0004806 C226 R220 C227 22uF FB201 BOS-T1342SDN3-LH SFBH0008102 SUMY0010509 R232 R221 MIC200 VINNORP 100ohm C229 C228 R233 C230 R222 VINNORN 100ohm 0.1u R223...
  • Page 75 4. TROUBLE SHOOTING CHECKING FLOW SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Voltage VMIC of U101 Replace U101 = DC 2.5V? Check the signal Level at each side Replace microphone of MIC200. Is it a few tens mV AC? Check the soldering of Resolder component...

  • Page 76: Rtc Trouble

    4. TROUBLE SHOOTING 4.15 RTC Trouble TEST POINT R107 X100 Figure 24 CIRCUIT KEY_ROW0 KEYPADROW0 KEY_ROW1 KEYPADROW1 KEY_ROW2 KEYPADROW2 KEY_ROW3 KEYPADROW3 X100 KEY_ROW4 KEYPADROW4 R107 OSCIN OSCOUT 26M_DBB CLKIN R106 C118 100ohm 32.768KHz 1000p MC-146_7pF C120 C119 C141 C142 EXXY0004601 - 77 -...
  • Page 77 4. TROUBLE SHOOTING CHECKING FLOW START Is the voltage level at R107 Check the soldering of R107. about 1.2V Replace X100and try again. RTC will work properly - 78 -...

  • Page 78: Slide On/Off Trouble

    4. TROUBLE SHOOTING 4.16 Slide on/off Trouble TEST POINT U304 C327 CIRCUIT SLIDE 2V8_VEXT R317 SLIDE U304 C327 C328 A3212EELLT-T 0.1u - 79 -...
  • Page 79 4. TROUBLE SHOOTING CHECKING FLOW START Is there the magnet Place the magnet properly. in the Slide side? Voltage at pin 1 Voltage of VEXT at U101 of U304 = 2.8V? = 2.8V? Resolder U304 Replace U101 Open Slide. Resolder and U304 Voltage at pin 1 of U304 =2.8V Close 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 MG280.dll - 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 MG320.dll - 84 -...
  • Page 84 5. DOWNLOAD 7. Check if the ADI option is set to Hermes 8. Press OK to end Configuration MG280.dll 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

    Sign & Name Sheet/ R126 C137 C138 C139 C140 Sheets 01/23 MG280(GB8) 0.1u MODEL Designer 2007 TRACE32(14 Pin) 1 / 7 Checked DRAWING NAME Approved OJ100 OJ101 DRAWING Ver 1.1 LG Electronics Inc. LG(42)-A-5505-10:01 LG Electronics Inc. - 89 -...
  • Page 87 Designer C228 2 / 7 2007 R233 C230 R222 VINNORN Checked 100ohm 0.1u DRAWING R223 C231 C232 AUDIO & Memory NAME 2.2K Approved VA202 VA203 EVLC18S02003 EVLC18S02003 DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 90 -...

  • Page 88: Circuit Diagram

    C329 Checked HSBC-3P-23 1SS352-TPH3_F 4.7u DRAWING L302 C331 C332 C333 C334 ENZY0014301 SIM, MMI, Vibrator, Battery OUT301 NAME R324 C330 27nH VA302 Approved 100u C335 EVL5M02200 7.5K DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 91 -...
  • Page 89 STATUS HIGH DEACTIVE ACTIVE Section Date Sign & Name Sheet/ Sheets MODEL MG280(GB8) 01/23 Designer 2007 4 / 7 CAMERA IC Checked DRAWING & KEY NAME Approved DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 92 -...
  • Page 90 INOUT_A4 INOUT_B4 L_DATA01 GND500 EVRC5S03Q050200R SFEY0014801 FL509 Section Date Sign & Name Sheet/Sheets MG280(GB8) MODEL 01/23 Designer 5 / 7 2007 Checked DRAWING B-to-B Connector NAME Approved DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 93 -...
  • Page 91 R622 VCONT C647 26MHz C648 1000p TG-5010LH-26M 2.2u EXSK0008101 Section Date Sign & Name Sheet/Sheets MODEL MG280(GB8) 01/23 Designer 2007 6 / 7 Checked DRAWING NAME Approved DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 94 -...
  • Page 92 Sign & Name Sheet/Sheets MG280(GB8) MODEL R715 R716 01/23 Designer BT I/F 7 / 7 2007 BT not I/F 0 ohm 0 ohm Checked DRAWING BLUETOOTH NAME Approved DRAWING Ver 1.1 LG Electronics Inc. LGIC(42)-A-5505-10:01 LG Electronics Inc. - 95 -...
  • Page 93 R115 100K C110 C112 Section Date Sign & Name Sheet/ Sheets MG280(GB8) MODEL 01/23 Designer 1 / 2 2007 Checked SLIDE PCB DRAWING NAME (Touch, LCD) Approved VER 1.1 DRAWING LG Electronics Inc. (SPEY0046001) LG Electronics Inc. - 96 -...
  • Page 94 C216 AXK7L70227J C217 ENBY0022801 Section Date Sign & Name Sheet/ Sheets MODEL MG280(GB8) 01/23 Designer 2 / 2 2007 Checked SLIDE PCB DRAWING NAME (70PIN CONNECTOR) Approved VER 1.1 DRAWING LG Electronics Inc. (SPEY0046001) LG Electronics Inc. - 97 -...
  • Page 95 R102 TOUCH_CLK Section Date Sign & Name Sheet/ R103 TOUCH_DAT R104 Sheets MODEL MG280(GB8) TOUCH_INT 12/28 Designer 2006 xx/xx Checked 2006 TOUCH FPCB DRAWING NAME xx/xx (CAPACITIVE SENSOR) Approved 2006 Ver 1.0 DRAWING LG Electronics Inc. (SPCY0091101) - 98 -...
  • Page 96 8. pcb layout - 99 -...
  • Page 97 8. pcb layout - 100 -...

  • Page 98: Pcb Layout

    8. pcb layout - 101 -...
  • Page 99 8. pcb layout - 102 -...
  • Page 100 8. pcb layout - 103 -...
  • Page 101 8. pcb layout - 104 -...
  • Page 102 6. BLOCK DIAGRAM 6. BLOCK DIAGRAM MG280 Block Diagram Main Memory Antenna (256M/64M) ABB+DBB Transceiver (AD6720) VGA Camera SI M VCTCXO (Backend IC) (26MHz) Anten na MIDI IC Battery (YMU792) Battery Charging Vibrat Bluetooth & CON. K ey FM Radio...
  • Page 103 - 88 -...

  • Page 104: 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 105: 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) COLOUR : WHITE, RED, GREEN, BLUE, BLACK 2) Contrast Value 9.1.3 Backlight This menu is to test the LCD Backlight and Keypad EL Backlight.
  • Page 106 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 107: 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 108: 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.) 9.3.9 Video Camera Test This menu is to test video camera(record and play automatically.) 9.4 Trace option [MENU 4] This is NOT a necessary menu to be used by neither engineers nor users.

  • Page 109: 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 110: 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 Figure 10-1.
  • Page 111 10. STAND ALONE TEST Figure 10-2. HW test setting Figure 10-3. Ramping profile - 112 -...

  • Page 112: 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 113: Test Jig Operation

    11. AUTO CALIBRATION JTAG2 JTAG1 Status ADI-REMOTE TI-REMOTE POWER VBAT UART Status POWER Figure 11-2 The top view of Test JIG 11.3 Test Jig Operation Power Source Description Power Supply Usually 4.0V Table 11-2 Jig Power Switch Number Name Description Switch 1 ADI-REMOTE In ON state, phone is awaked.

  • Page 114: Procedure

    11. AUTO CALIBRATION 1. Connect as Fig 6-2(RS232 serial cable is connected between COM port of PC and MON port of TEST JIG, in general) 2. Set the Power Supply 4.0V 3. Set the 3 of DIP SW ON state always 4.
  • Page 115 11. AUTO CALIBRATION 4. Set PORT COM1(useing RS232 cable) & Logic Mode 1 - 116 -...
  • Page 116 11. AUTO CALIBRATION 5. Select MG280 and then Click Start - 117 -...

  • Page 117: 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 118: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW 12 13 14 24 25 26 27 20 21 23 33 34 16 17 - 119 -...
  • Page 119 - 120 -...

  • Page 120: Replacement Parts

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.2 Replacement Parts Note: This Chapter is used for reference, Part order <Mechanic component> is ordered by SBOM standard on GCSC Location Level Description Part Number Spec Color Remark GSM(SLIDE) TGLL0007002 Black AAAY00 ADDITION AAAY0167052 Black...
  • Page 121 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark MTAB01 TAPE,PROTECTION MTAB0145601 COMPLEX, (empty), , , , , Black MTAD00 TAPE,WINDOW MTAD0061901 COMPLEX, (empty), , , , , Black MWAE00 WINDOW,CAMERA MWAE0022601 CUTTING, PMMA MR 200, , , , , Transparent COVER ACGS00...

  • Page 122: 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 Spec Color Remark SACY00 PCB ASSY,FLEXIBLE SACY0055801 SACE00 PCB ASSY,FLEXIBLE,SMT SACE0050401 PCB ASSY,FLEXIBLE,SMT SACC00...
  • Page 123 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark PCB ASSY,KEYPAD,SMT SAEC00 SAEC0019701 BOTTOM C207 CAP,CERAMIC,CHIP ECCH0000198 2.2 uF,6.3V ,M ,X5R ,TC ,1005 ,R/TP C208 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C210 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 124 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C113 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C201 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C202 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP 10 uF,10V ,M ,STD ,1608 ,R/TP ,;...
  • Page 125 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark SJMY00 VIBRATOR,MOTOR SJMY0008402 3 V,0.08 A,10*2.7 ,25mm SPKY00 PCB,SIDEKEY SPKY0042101 POLYI ,0.2 mm,DOUBLE , ,; , , , , , , , , , SPKY01 PCB,SIDEKEY SPKY0042201 POLYI ,0.2 mm,DOUBLE ,F_SK-VOL ,;...
  • Page 126 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C134 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C135 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C136 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C137 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C138 CAP,CERAMIC,CHIP ECCH0000120...
  • Page 127 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C326 CAP,CERAMIC,CHIP ECCH0005602 2.2 uF,16V ,K ,X5R ,HD ,1608 ,R/TP 100 uF,6.3V ,M ,L_ESR ,3216 ,R/TP ,; , ,[empty] ,[empty] , C330 CAP,TANTAL,CHIP ECTH0005301 ,[empty] , ,3.2X1.6X1MM ,[empty] ,[empty] ,[empty] C331 CAP,CHIP,MAKER ECZH0000826...
  • Page 128 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C615 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C616 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C617 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C618 CAP,CERAMIC,CHIP ECCH0000184...
  • Page 129 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C711 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C713 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C714 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C715 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 130 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark R114 RES,CHIP,MAKER ERHZ0000443 2200 ohm,1/16W ,J ,1005 ,R/TP R117 RES,CHIP,MAKER ERHZ0000320 82 Kohm,1/16W ,F ,1005 ,R/TP R118 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R119 RES,CHIP,MAKER ERHZ0000488 4.7 ohm,1/16W ,J ,1005 ,R/TP...
  • Page 131 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark R320 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R321 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP R322 RES,CHIP,MAKER ERHZ0000438 20 Kohm,1/16W ,J ,1005 ,R/TP R323 RES,CHIP,MAKER ERHZ0000404 1 Kohm,1/16W ,J ,1005 ,R/TP...
  • Page 132 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark R623 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R624 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R625 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP R701 RES,CHIP,MAKER ERHZ0000485 4700 ohm,1/16W ,J ,1005 ,R/TP...
  • Page 133 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark VA402 DIODE,TVS EDTY0008501 TFSC ,5 V,50 W,R/TP ,small size X100 X-TAL EXXY0004601 .032768 MHz,20 PPM,7 pF,65000 ohm,SMD ,6.9*1.4*1.3 , 26 MHz,2.5 PPM,10 pF,SMD ,3.3*2.5*1.0 ,3ppm at - X600 VCTCXO EXSK0008101...
  • Page 134 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark C406 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C407 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C408 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C409 CAP,CERAMIC,CHIP ECCH0000182...
  • Page 135 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Spec Color Remark LD409 DIODE,LED,CHIP EDLH0012501 Snow White ,1608 ,R/TP ,color concept LD410 DIODE,LED,CHIP EDLH0012501 Snow White ,1608 ,R/TP ,color concept LD411 DIODE,LED,CHIP EDLH0012501 Snow White ,1608 ,R/TP ,color concept R202 RES,CHIP,MAKER ERHZ0000506...

  • Page 136: 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 Spec Color Remark 3.7 V,800 mAh,1 CELL,PRISMATIC ,MG280c Mexico Label BATTERY PACK,LI- SBPP00 SBPP0022105...
  • Page 137 Note...
  • Page 138 Note...

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