LG LAN8900EKSL Service Manual
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LG LAN8900EKSL Service Manual

LG LAN8900EKSL Service Manual

Audio & navigation system
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AUDIO & NAVIGATION
SYSTEM
SERVICE MANUAL
MODEL: LAN8900EKSL

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Summary of Contents for LG LAN8900EKSL

  • Page 1 AUDIO & NAVIGATION SYSTEM SERVICE MANUAL MODEL: LAN8900EKSL...
  • Page 2 [CONTENTS] SECTION 1. SPECIFICATION SECTION 2. NAME OF EACH PART SECTION 3. TOTAL WIRING/BLOCK DIAGRAMS SECTION 4. EXPLODED VIEWS SECTION 5. MAIN PART SECTION 6. AUDIO PART SECTION 7. FRONT PART SECTION 8. GPS PART SECTION 9. TROUBLESHOOTING GUIDE...
  • Page 3 SECTION 1. SPECIFICATION [CONTENTS] • SPECIFICATION ............1-1...
  • Page 4 SPECIFICATION GENERAL Output Power......................45 W x 8 CH (Max.) Power Source ..........................DC 12 V Speaker impedance..........................2 Ω Ground System..........................Negative Dimensions (W x H x D) ................... 247 x 145 x 204 mm Net Weight ............................2.8 kg DISPLAY LCD ..........................17.8 cm TFT LCD Resolution ..........................800 X 480 Back Light ..........................
  • Page 5 SECTION 2. NAME OF EACH PART [CONTENTS] • FRONT ..............2-1 •...
  • Page 6 FRONT 1. CD IN indicator light (CD IN) 12. SETUP ( When a disc is inserted, the indicator is • Press to access system settings. illuminated. • Press and hold to check the device ID, the 2. RADIO software version, the navigation version, and Selects the FM/AM band.
  • Page 7 CONNECTOR TERMINAL FUNCTION A. Additional connector for option 24pin TYCO AMP 1318853 NAME SPDIF_OUT+(Option: External AMP) SPDIF_OUT-(Option: External AMP) SPDIF_GND(Option: External AMP) NAVI_VOICE+(Option: External AMP) XM_AUDIO_R(Option: XM_Ready) XM_AUDIO_L(Option: XM_Ready) AMBIENT MM_CAN_HIGH(Option: External AMP) CAMERA_B+(Option: Rear_CAMERA) CAMERA_GND(Option: Rear_CAMERA) CAMERA_CVBS(Option: Rear_CAMERA) CAMERA_VGND(Option: Rear_CAMERA) NAVI_VOICE-(Option: External AMP) XM_AUDIO_GND(Option: XM_Ready) XM_POWER_GND(Option: XM_Ready)
  • Page 8 B. ISO 36pin POWER CONNECTOR A. CAR INTERFACE C1. CAR INTERFACE A1 SPEED C1 MIC+ (BT, eCall) A2 DIRECTION C2 Parking A3 TAIL SW (ILL+) C3 ALT_IN A4 +12 V ACC C4 MIC- (BT, eCall) A5 REMOTE ANTENNA C5 Door Unlock A6 PWM ILL(ILL-) C6 Auto Light A7 +12 V BATT...
  • Page 9 SECTION 3. TOTAL WIRING/BLOCK DIAGRAMS [CONTENTS] • WIRING DIAGRAM ............3-1 •...
  • Page 10 WIRING DIAGRAM D+/TX ACC SIGNAL D-/RX BATT+ USB/ AUX_AUDIO_L IPOD SPEED SIGNAL AUX_AUDIO_R REVERSE GEAR AUX_GND PARKING BRAKE XM_AUDIO_L ALTERNATOR XM_RADIO XM_AUDIO_R AUX_DETECT (Option: XM_Ready) XM_AUDIO_GND ILL+ NAVI_VOICE(+) ILL- NAVI_VOICE(-) MIC+ MICROPHONE SPDIF_OUT(+) MIC- DIGITAL_EXTERNAL_AMP SPDIF_OUT(-) (Option: External_AMP) DOOR_UNLOCK MM_CAN_HIGH AUTO_LIGHT MM_CAN_LOW REMOTE_SIGNAL...
  • Page 11 BLOCK DIAGRAM (H/W) Audio Board Main Board i-NAND DDR2 AM/TMC 256MB 128Mb Tuner Tuner Local SDRAM IFAD IFAD SPDIF UART Deck 45W 4ch AU1350 NAVI Audio Stereo SPEAKER AC97 SPDIF (667MHz) Codec LAN8900 GPS/DR MEDIA UART Option Module Audio/Video AUX In UART(port ?) Protector UART...
  • Page 12 BLOCK DIAGRAM (S/W) Application Navi Rear camera (video/audio) CD/USB Main Radio/Setup (GPS) iPod Device Driver KEY Event GPS Event File System CD Event PENDOWN Event Audio Touch Driver Manager Display AC97 SMBUS UART GPIO EX-UART Digital RGB Static Bus (18bit) GPIO12 GPIO4 Audio Codec...
  • Page 13 SECTION 4. EXPLODED VIEWS [CONTENTS] • FRONT PART ............. 4-1 •...
  • Page 14 FRONT PART CABLE2 CABLE1 CABLE3 FRONT CABLE4...
  • Page 15 CABINET & MAIN FRAME PART CABLE7 CABLE6 AUDIO MAIN CABLE5...
  • Page 16 SECTION 5. MAIN PART [CONTENTS] • MAIN BLOCK DIAGRAM ............5-1 •...
  • Page 17 MAIN BLOCK DIAGRAM VDDX Bus address 10bit LATCH NOR FLASH DCDC LVC16374A VDDI,VDDY 3.7V SPASION MICOM PM IC Reset_out/ OE/ WE/ CS0/ Busy VDDX_ON DDR 1.8V 256Mb TPS650245 PWR_EN UART(RX/ TX) Bus data 16bit Save_Mode Bus address 15bit CPU_RESET RESET/ CS2/ KEY_INT/ OE/ WE RESET_IN UART EXTEND RESET IC...
  • Page 18 MAIN CONNECTOR PIN DESCRIPTION NAME NAME NAME NAME CN301 CVBS_DETECT MIC+ CN1001 MIC- VCC(3.3 V) VBUS(5 V) SDRAM(3.3 V) CN702 NAVI_R DGND NAVI_L FAN_12 V CD_3.3 V_CTL RESET USB_5 V T_SENSOR RESERVED USB_5 V CD_RESET RESERVED REVERSE_GEAR FORWARD_BACK SPEED CD_8.0 V CD_EMERGENCY AGND CD_8.0 V...
  • Page 19 MAIN PRINTED CIRCUIT BOARD (TOP VIEW)
  • Page 20 MAIN PRINTED CIRCUIT BOARD (BOTTOM VIEW)
  • Page 21 SECTION 6. AUDIO PART [CONTENTS] • AUDIO BLOCK DIAGRAM ........... . 6-1 •...
  • Page 22 AUDIO BLOCK DIAGRAM FL+/- ADDITIONAL 24PIN FR+/- ISO 36PIN CONNECTOR AUDIO POWER AMPLIFIER ANTENNA JACK RL+/- CONNECTOR OPTION: INTERNAL AMP RR+/- AUX_IN_L/R HS_CAN_LOW/HIGH OPTION: MM_CAN MM_CAN_LOW/HIGH TJA1055 EXTERNAL AMP LEAF_DICE LEAF_DICE TEF7000 TEF7000 OPTION: EXTERNAL AMP OPTION: ISOLATION OP AMP REMOTE DISPLAY S4580 BA3121F...
  • Page 23 POWER BLOCK DIAGRAM ADDITIONAL 24PIN ISO 36PIN CONNECTOR AUDIO POWER AMPLIFIER ANTENNA JACK CONNECTOR OPTION: INTERNAL AMP LEAF_DICE LEAF_DICE TEF7000 TEF7000 BA00CC0WFP MM_CAN HS_CAN TJA1055 TJA1051 OPTION: BA00DD0WHFP XM READY OPTION: OPTION: SYSTEM_5V EXTERNAL AMP REMOTE DISPLAY OPTION: FAN_6.5V BA00CC0WFP INTERNAL AMP DC/DC DSP_3.3V...
  • Page 24 AUDIO CONNECTOR PIN DESCRIPTON B. ISO 36pin POWER CONNECTOR A. Additional connector for option 24pin TYCO AMP 1318853 NAME A. CAR INTERFACE C1. CAR INTERFACE SPDIF_OUT+(Option: External AMP) A1 SPEED C1 MIC+ (BT, eCall) SPDIF_OUT-(Option: External AMP) A2 DIRECTION C2 Parking SPDIF_GND(Option: External AMP) A3 TAIL SW (ILL+) C3 ALT_IN...
  • Page 25 AUDIO PRINTED CIRCUIT BOARD (TOP VIEW)
  • Page 26 AUDIO PRINTED CIRCUIT BOARD (BOTTOM VIEW)
  • Page 27 SECTION 7. FRONT PART [CONTENTS] • FRONT BLOCK DIAGRAM ........... . 7-1 •...
  • Page 28 FRONT BLOCK DIAGRAM < LCD Block Diagram > < > HEAD UNIT CVBS (Rear Camera Option) R [7~2] R [7~2] G [7~2] G [7~2] B [7~2] B [7~2] PCLK CLKH Video BIAS CLKV Decoder HSYNC LCLK (TW8816) VSYNC FCLK MAIN BOARD VCOM VOLTAGE 3.3 V...
  • Page 29 FRONT PRINTED CIRCUIT BOARD (TOP VIEW)
  • Page 30 FRONT PRINTED CIRCUIT BOARD (BOTTOM VIEW)
  • Page 31 SECTION 8. GPS PART [CONTENTS] • GPS BLOCK DIAGRAM ............8-1 •...
  • Page 32 GPS BLOCK DIAGRAM 3.3V 1.8V - BASEBAND: S1S51000F00A REGULATOR - RF IC:PMB3330R(Colossus) 3.3V BACKUP 3.3V 3.3V 3V RF 3V RF BASEBAND OUT_I,Q Filter 5V ANT MCLK 12.504 RF IC SCLK TCXO 12.504 3V RF SRAM 5V ANT Short 1.8V Voltage Antenna Detector Regulator Open...
  • Page 33 GPS PRINTED CIRCUIT BOARD (TOP VIEW) GPS PRINTED CIRCUIT BOARD (BOTTOM VIEW)
  • Page 34 SECTION 9. TROUBLESHOOTING GUIDE [CONTENTS] • GENERAL PART (NAVIGATION) ..........9-1...
  • Page 35 GENERAL PART (Navigation) Cannot identify the current location. (GPS not receiving) GPS cannot be used indoors and must be connected to a power source with ACC in a vehicle in a location where the signal from the sky can be received easily. When initially connecting the GPS, it usually takes about 10 minutes to be working normally, but the connection speed can differ depending on the weather condition, and surrounding obstacles.
  • Page 36 Map matching As mentioned, the GPS systems used by this Navigation System are susceptible to certain errors. Their calculations may on occasion place you in a location the map where no road exists. In this situation, the processing system understands that vehicles travel only on roads, and is able to correct your position by adjusting it to a nearby road.
  • Page 37 Trouble Shooting Guide Symptom Correction The Sceen is White. Case1) Replace Front Assy's 1) It is partially white screen. 2) All Button is working. The Screen is White. Case2) Replace Main BD 1) It is completely white screen. 2) All Button is not working. CD Deck is not Working.

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