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LG DP392G Service Manual Download Page 32

3-25

Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

MAIN ELECTRICAL TROUBLESHOOTING GUIDE

Check Audio filter, amplify,

mute circuit.

Check Aout_L related circuit

Aout_R

NO

Normal

Audio output when

disc playback.

Proper

Aout_L, Aout_R

signal on U203

NO

Check the related circuit of

Audio DAC.

NO

YES

YES

Check communication

lines on U203

NO

Normal

IR. VFD & Front pannel

key functions.

Commu-

nications between

IR.VFD Front pannel key & 

U203 & Front µ-com

is normally.

NO

NO

YES

Check the cable connection

on Front pannel.

TEST END

YES

C

YES

Summary of Contents for DP392G

Page 1: ...ICE MANUAL MODEL DP391B DP392G CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL DP391B DP392G SERVICE MANUAL P NO AFN56903624 MARCH 2008 Website http biz lgservice com Internal Use Only ...

Page 2: ... 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CONTENTS SECTION 1 SUMMARY SECTION 2 EXPLODED VIEWS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Page 3: ...Only for training and service purposes LGE Internal Use Only PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES UPGRADING FIRMWARE 1 5 SPECIFICATIONS 1 7 ...

Page 4: ...d per the original design Be sure that the safety purpose of the polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign particles 4 Check for physical evidence of damage or deterioration to parts and components for frayed leads or damaged insulation including the A...

Page 5: ...uld be more than 1Mohm Note 1 Accessible Conductive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors ...

Page 6: ...e the program file name of new version to the model name Ex New ver program file LG_DV_LP81F32000AZV_V014 ROM Model name LG_DV_LV80F32000AZV Change New ver program file like this LG_DV_ LV80F32000AZV ROM If you don t change the file name like that Disc download isn t be worked 7 Copy the changed file to a USB memory stick 8 Insert the copied USB memory stick to DVD player 9 Press the MODE button o...

Page 7: ...leted DVD player displays below picture automatically 14 Press the Reset button on the DVD Player 15 Remove the USB memory stick 16 Turn on the DVD player Select the initial Language and Press Enter button Then Select Enter and Press Enter button 17 Do it again the process 1 2 3 4 to confirm the version 18 Press the Reset button on the DVD Player ...

Page 8: ... linear sound 48kHZ sampling 4HZ to 20kHZ Signal to noise ratio audio More than 80dB Dynamic range audio More than 80dB Harmonic distortion audio 0 04 Operating conditions audio Temperature 41 F to 95 F TERMINALS DC input 1 Composite Video IN OUTPUT 1 Audio IN OUTPUT Earphone output 2 Mini USB input 1 3 in 1 memory slot 1 LIQUID CRYSTAL DISPLAY Panel size 8inches 16 9 Projection system TN color tr...

Page 9: ...1 8 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO ...

Page 10: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 2 2 PACKING ACCESSORY SECTION 2 3 ...

Page 11: ... G F 251 250 252 254 A53 A51 A40 A47 A52 257 258 257 259 256 271 271 263 264 262 260 277 279 278 276 273 A50 A46 A43 A48 272 270 270 CABLE7 CABLE4 CABLE3 CABLE2 CABLE1 CABLE5 CABLE8 CABLE6 253 255 255 256 274 256 275 275 258 271 A00 A44 CAUTION Do not reuse the battery cell after separating the battery cell from the battery case EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION ...

Page 12: ...Only for training and service purposes LGE Internal Use Only 2 PACKING ACCESSORY SECTION PLUG ASS Y RCA CABLE 806 836 REMOTE CONTROL 900 BOX 802 BOX 802A BOX 802B 808 BATTERY 801 OWNER S MANUAL CABLE USB 834 CABLE CIGAR JACK 804 PACKING SHEET 803 BAG 833 CORD ...

Page 13: ...2 4 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO ...

Page 14: ... 3 30 5 SPINDLE CONTROL WAVEFORM NO DISC CONDITION 3 30 6 TRACKING CONTROL RELATED SIGNAL SYSTEM CHECKING 3 31 7 LCD DRIVE IC U701 SYSTEM CLOCK 27MHz 3 32 8 ZR36966 VIDEO OUTPUT WAVEFORM 3 32 9 AUDIO OUTPUT FROM AUDIO DAC 3 33 WIRING CONNECTION DIAGRAMS 3 34 1 OVERALL CONNECTION LAYOUT DIAGRAM 3 34 2 WIRING CONNECTION DIAGRAM 1 3 35 3 WIRING CONNECTION DIAGRAM 2 3 36 INTERNAL BLOCK DIAGRAM OF ICs ...

Page 15: ...isplay condition Inverter abnormal NO Appear shadow form interference in black background Backlight condition U704 Q701 Q702 check YES NO 10V normal L801 L802 FB701 FB702 YES YES NO 10V 15V 10V normal FB701 FB702 L703 U703 check NO RGB signal output Check LCD driver IC U701 R 58 59 62 63 64 65 G 49 50 52 53 54 55 B 38 40 42 43 44 45 YES NO Check L802 VOCM level 3 3V NO ...

Page 16: ...2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WIRING CONNECTION DIAGRAM LCD PCB KEY PCB BACK LIGHT LCD PANNEL LCD Pannel Front key PCB LCD PCB Back light PCB ...

Page 17: ...training and service purposes LGE Internal Use Only INTERFACE DIAGRAM LCD PCB KEY PCB INTERFACE 8 8 1 8 1 8 1 1 2 3 4 5 6 7 8 K2 IR LED_G LED_R LED_B GND 5VA GND J807 807 8 7 6 5 4 3 2 1 J901 901 K2 IR LED_G LED_R LED_B GND 5VA GND KEY data R C d ata LED Control Power ...

Page 18: ...103 LCD Drive 2 5V 3 3V LCD Backlight MPEG ZORAN BAT_OUT GAMMA TABLE 10V LCD PANEL 8î inch 3 3V LCD_POWER BLOCK 3 3V 27MHz POL STHR STHL DCLK LP GCLK GOE STVL STVR R L U P EDGSL V1 V14 VID 0 VID 7 VCLK SCL SDA STB PWRCTL_LCD VLC 10V R 0 5 G 0 5 B 0 5 VGH VGL LED_POWER Terawins INNOLUX ZORAN966_LV INVERTER BLOCK DIAGRAM ...

Page 19: ...3 6 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO ...

Page 20: ... VDT13 CC_BOX 29 PWM1 VDT14 CCY 28 IR1 VDT15 CC_CKO 27 LODD LVSync 87 LHREF LHSnC 88 XCLK2MC 26 RSTB 20 CPUINT 23 AVDDB 1 AVDDG 6 AVDDR 11 AVDDDAC 99 VDD25 17 VDD25 41 VDD25 66 VDD25 89 VDD33 35 VDD33 48 VDD33 61 VDD33 73 GNDP 92 GNDP 96 GNDAC 100 GND 16 GND 39 GND 51 GND 60 GND 70 GND 90 U701 T103 U701 T103 R731 0 R731 0 1 2 CM704 100uF 10V CM704 100uF 10V 1 2 C733 22uF 16V C733 22uF 16V C702 0 1...

Page 21: ...5 2 2uF R812 1K R812 1K 1 2 3 4 5 6 J806 CON4_1 0MM J806 CON4_1 0MM R801 NC R801 NC C803 0 1uF C803 0 1uF 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 J801 CON12_0 8MM J801 CON12_0 8MM 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 16 16 15 15 9 9 10 10 11 11 12 12 13 13 14 14 17 17 18 18 19 19 20 20 J803 CON18_0 8MM J803 CON18_0 8MM C819 2 2uF C819 2 2uF R827 150 R827 150 C805 0 1uF C805 0 ...

Page 22: ...ED905 BLUE C902 0 1uF C902 0 1uF R906 39K 1 R906 39K 1 R901 15K 1 R901 15K 1 R912 4 7K R912 4 7K 1 3 2 4 G G SW904 FF G G SW904 FF R913 2K R913 2K R907 8 2K 1 R907 8 2K 1 R914 2K R914 2K 1 3 2 4 G G SW905 PLAY G G SW905 PLAY 1 2 LED903 BLUE LED903 BLUE 1 3 4 2 R Y O G LED901 1S0606V3G40CB01 SML 521 R Y O G LED901 1S0606V3G40CB01 SML 521 R903 3K 1 R903 3K 1 a 1 b 3 c 4 COM 5 d 6 CEN 2 PAD 8 PAD 9 P...

Page 23: ...ht Friday February 15 2008 Friday February 15 2008 Friday February 15 2008 LED_POWER LED_POWER 1 1 2 2 3 3 4 4 JB02 3 5 2P JB02 3 5 2P 1 2 3 4 5 6 JB01 CON4_1 0MM JB01 CON4_1 0MM Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 24: ...MS 1 LCD P C BOARD TOP VIEW Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only BOTTOM VIEW 2 FRONT KEY P C BOARD TOP VIEW BOTTOM VIEW 3 BACK LIGHT P C BOARD TOP VIEW BOTTOM VIEW ...

Page 25: ...3 17 3 18 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO MEMO ...

Page 26: ...TING GUIDE No power on by ADAPTOR A Replace ADAPTOR NO YES 1 POWER DC DC CONVERTER CIRCUIT A POWER Is ADAPTOR out 12V Replace D606 NO NO YES YES Is D606 OK Replace U204 Replace U401 Replace U704 No 3 3V No 5V No LCD power No 1 8V YES YES Is U204 3 3V OK NO Replace U401 Is U401 3 3V OK YES No power on by BATTERY A Replace BATTERY NO YES Is BATTERY OK YES A ...

Page 27: ...ker abnormal Replace IC U502 Replace Q510 and Q519 Check Audio jack mode S W NO YES YES Is Q510 and Q519 OK Speakers NO YES YES Is speakers OK Replace B AUDIO OUT ABNORMAL D AUDIO IN SPEAKER ABNORMAL Video in abnormal Refer to LCD part Replace U501 IC Check Video jack mode NO YES YES Is U501 OK Check U701 Pin 14 YES YES E VIDEO IN ABNORMAL Video out abnormal Check Video jack mode YES YES Check Vid...

Page 28: ...03 Pin 130 Check the connectin of MD YES Refer to SERVO part YES NO MAIN ELECTRICAL TROUBLESHOOTING GUIDE Picture abnormal Check the disc YES YES Refer to SERVO part YES Check MPEG_CLK Signal of MPEG part YES Check MPEG IC U201 YES Replace B D F PICTURE ABNORMAL H OPEN CLOSE ABNORMAL Disc error Check Disc YES YES Refer to SERVO part YES YES If OK YES If OK YES If OK If OK Replace B D G DISC ERROR ...

Page 29: ...l NO OK Does the Video of the DVD Disc play properly Is MPEG data signal normal NO YES Check CD DVD DSP output signal Check MPEG Decoder input signal NO Is error signal normal YES OK Check CD DVD DSP output signal Check MPEG Decoder input signal NO Does the Video of the video CD play properly Is MPEG data signal normal NO Check clock signal NO Does the audio sound output normally Does the audio si...

Page 30: ...RVO CIRCUIT Laser off Check the RFL connection between J401 and U203 Put Disc in NO Check the related circuit on U203 RFL signal NO Disc ID is correct Proper RFL signal on U203 NO YES YES YES Check the cable connection between spindle and main PCBA Check DMSO related circuit on U203 NO Does spindle rotate Proper DMSO signal on U203 NO YES Replace IC U203 YES B YES ...

Page 31: ... A B C D of U203 NO YES Check the related circuit on U203 FEO sugnal NO Proper FEO signal on U203 YES YES Check cable connection on pick up head Check the related circuit on U203 NO Track on OK Proper FEO signal on U203 NO Disc is play NO YES Check the TRSO connection on U203 and motor dirver NO Properly TRSO signal on U203 YES Check the tracking control amp circuit on motor driver T T output prop...

Page 32: ...it Check Aout_L related circuit Aout_R NO Normal Audio output when disc playback Proper Aout_L Aout_R signal on U203 NO Check the related circuit of Audio DAC NO YES YES Check communication lines on U203 NO Normal IR VFD Front pannel key functions Commu nications between IR VFD Front pannel key U203 Front µ com is normally NO NO YES Check the cable connection on Front pannel TEST END YES C YES ...

Page 33: ...nd service purposes LGE Internal Use Only MAIN ELECTRICAL TROUBLESHOOTING GUIDE Is U603 OK No turn on Red LED Is 8 4V of J605_Pin 1 OK YES Replace IC U603 NO Is F601 OK Replace F601 YES NO Is IC U601 OK Replace IC U601 YES NO Is L602 OK Replace L602 YES NO NO 4 CHARGEING CIRCUIT ...

Page 34: ...t reserved Only for training and service purposes LGE Internal Use Only DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK 1 ZR36966 main clock is at 27MHz X201 FIG 1 1 2 SDRAM CLOCK 1 ZR36966 main clock is at 27MHz R308 FIG 2 1 ...

Page 35: ...ght 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 DISC TYPE JUDGEMENT WAVEFORM FIG 3 1 FIG 3 2 F U401 PIN8 F U401 PIN8 FE FE RFL J401 PIN9 RFL J401 PIN9 ...

Page 36: ...3 29 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only FIG 3 3 FIG 3 4 F U401 PIN8 F U401 PIN8 FE FE RFL J401 PIN9 RFL J401 PIN9 ...

Page 37: ...l right reserved Only for training and service purposes LGE Internal Use Only 4 FOCUS ON WAVEFORM 5 SPINDLE CONTROL WAVEFORM NO DISC CONDITION FIG 4 1 FIG 5 1 FOSO U401 PIN11 DMSO U401 PIN12 F U401 PIN8 SP U401 PIN15 F U401 PIN9 SP U401 PIN14 ...

Page 38: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 6 TRACKING CONTROL RELATED SIGNAL SYSTEM CHECKING FIG 6 1 FIG 6 2 TE TE TRSO U401 PIN23 TRSO U401 PIN23 T U401 PIN18 T U401 PIN17 T U401 PIN18 T U401 PIN17 ...

Page 39: ...G Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 7 LCD DRIVE IC U701 SYSTEM CLOCK 27MHz FIG 7 1 FIG 8 1 U501 PIN13 8 ZR36966 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS ...

Page 40: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only FIG 9 1 JK601 PIN4 5 MR 1kHz 0dB 9 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R 2 Audio related Signal Audio R U203 PIN113 Audio R U203 PIN114 FIG 9 2 ...

Page 41: ...ight reserved Only for training and service purposes LGE Internal Use Only WIRING CONNECTION DIAGRAMS 1 OVERALL CONNECTION LAYOUT DIAGRAM LCD Panel Front key PCB LCD PCB Back light PCB Main PCB Main Chassis Spe Speaker ker TOP Key PC TOP Key PCB ...

Page 42: ...3 35 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 WIRING CONNECTION DIAGRAM 1 MAIN PCB KEY PCB Battery Speaker ...

Page 43: ...3 36 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 WIRING CONNECTION DIAGRAM 2 MAIN PCB LCD PCB Main PCB LCD PCB ...

Page 44: ... PVCC2 28 IPK1 8 VOFC 27 PGND2 9 VOFC 26 PGND1 10 VCC1 25 PGND 11 VINFC 24 VCC2 12 VINSL 23 VINTK 13 MGND 22 VINSP 14 VOSL 21 VOSP 15 VOSL 20 VOSP 16 MGND 19 MGND 17 VOTK 18 VOTK PGND SW1 COMP1 CT1 IPK1 DC DC I PVCC EN1 SW2 COMP2 CT2 IPK2 DC DC II PVCC EN2 PGND PGND 10K 15K 25K 25K 25K 10K 10K 10K MGND MGND MGND GND GND Vcc2 Vcc1 Vcc2 Vcc2 Vcc1 Spindle Driver 4X MUTE Actuator Driver 6X Sled Driver...

Page 45: ...put 15 VOSL Sled driver output 16 MGND Ground for motor driver 17 VOTK Tracking driver output 18 VOTK Tracking driver output 19 MGND Ground for motor driver 20 VOSP Spindle driver output 21 VOSP Spindle driver output 22 VINSP Input for spindle driver 23 VINTK Input for tracking driver 24 Vcc2 Vcc for power block of spindle tracking and focus 25 PGND Ground for analog ground 26 PGND1 Ground for ste...

Page 46: ...12 CC_R VDD33 GND QE19 VDT11 CC_G QE18 VDT10 CC_B QE17 sD7 QE16 sD6 QE15 sD5 QE14 sD4 QE13 sD3 QE12 sD2 GND QE11 sD1 QE10 sD0 VDD33 QE9 sDEN QE8 sVSo QE7 sHSo QE6 sUD QE5 sRL QE4 VDD25 QE3 GND QE2 QE1 QE0 VDD33 GPIO3 VDT9 CC_VSO GPIO2 VDT17 VDT10 CC_B AP GPIO1 VDT11 CC_G Q1H GPIO0 VDT12 CC_R PWM3 VDT8 CC_HSO PWM2 VDT16 VDT13 CC_BOX PWM1 VDT14 CC_Y IR1 VDT15 CC_CKO XCLK2MC TERAWINS T103 Dec 2005 76...

Page 47: ... P D TTL Output Data 42 47 49 50 1 for 8 bit panel QE 23 16 R channel QE 15 8 G channel 52 59 62 65 QE 7 0 B channel 2 for 6 bit panel QE 17 12 R channel Qe 11 6 G channel QE 5 0 B channel and the QE 23 18 are reserved for other interfaces HSO 67 DIO P D Horizontal synchronization output control signal VSO 68 DIO P D Vertical synchronization output control signal DEN 69 DIO P D Horizontal output d...

Page 48: ...I Analog input 1 of channel 0 ACR0 14 AI Analog input 0 of channel 0 VSI 18 DI RGB Vertical synchronous input HSI 19 DI RGB Horizontal synchronous input PLL and Slicer Interface FILT 93 AI PLL filler VPLL 94 AI PLL reference SOYIN 97 AI Sync on Y of component input VREF 98 AI Voltage reference ITU R656 Video In Interface VDT0 7 78 85 DI P D Video data port of ITU 656 or 8 bit 601 VCLK 86 DI P D Vi...

Page 49: ...GB666 HREF HDE or HSync input PLL Reference Clock XTALI 24 DI Output PLL reference clock input and I2 C timer operating clock XTALO 25 DO Output PLL reference clock output XCLK2MC 26 DO Buffered XTALI for external microprocessor PWM GPIO and IR Interface Signals PWM1 3 28 30 DIO P D Pulse width modulation 1 3 for backlight control volume GPIO0 2 31 33 DIO P D GPIO port 0 2 GPIO3 34 DIO P U GPIO po...

Page 50: ...iption Pin Name I O Description Pin No LIN I Left Input Channel 1 Connect a Capacitor to Audio Source LOUT O Left Output Channel 2 Connect a Capacitor to Audio Output Vss Ground 3 SDA I I2C Data Input 4 SCL I I2C Clock Input 5 VDD Power Supply 6 ROUT O Right Output Channel 7 Connect a Capacitor to Audio Output Right Input Channel RIN I Connect a Capacitor to Audio Source 8 3 VOLUME CONTROLLER IC P...

Page 51: ...down pin Entire IC into the shutdown mode 1 1 when this pin connected to the Vcc GND Ground 2 2 OUT1 O Channel 1 output 3 3 VDD Supply voltage input 4 4 OUT1 O Channel 1 output 5 5 IN1 I Channel 1 input 6 6 GND Ground 7 7 IN1 I Channel 1 input 8 8 IN2 I Channel 2 input 9 13 Vref I Bias reference bypassing 10 14 IN2 I Channel 2 input 11 15 OUT2 O Channel 2 output 12 16 VDD Supply voltage input 13 1...

Page 52: ...urrent Samp Adapter Voltage Samp PWM Out Vref Input Control signals out Key Input Samp Touch screen interface Wakeup Input IR IN Charge Control Central Controler OSC IN GND VDD Temp sampliing RESET MCS AD_BATT VCC GND RST OSC PWM VREF PR_CTL1 PR_CTL2 IR_DA PIE CMSDA CMCLK AD_K2 AD_K1 MSDI MSDO MCLK RED GRN AD_BATU AD_CHGI AD_PR 5 MICOM IC GT6319 5 1 Block Diagram ...

Page 53: ...U Battery Voltage sampling port 12 AD_CHGI Charge current sampling port 13 AD_BATT Bat temperature sampling port 14 AD_K1 Keyswitch identification port 1 15 AD_K2 Keyswitch identification port 2 16 AD_PR Adapter checking port 17 NC For expansion 18 NC For expansion 19 VCC Chip power 20 OSC External clock input 21 PR_CTL2 Export control line 2 22 VREF 2 495V Precision reference voltage 23 PIE Chip ...

Page 54: ...2D R1D R0D G5D G4D LCD Control signal LCD RGBData signal GND G0D GND GND G1D GND G2D G3D B5D B4D B3D B2D B1D B0D GND R L LED_R LED_G IR K2 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J702 702 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J802 802 GND G0D GND GND G1D GND G2D G3D B5D B4D B3D B2D B1D B0D GND R L LED_R LED_G IR K2 LCD RGBData signal Key PCB signal J703 703 12 11 10 9 8 7 6...

Page 55: ...JACK A 5V XI XO 27MHz LDO1 LDO2 IOA V20 M DISC SPINDLE MOTOR DECK MECHANISM PICK UP SLED MOTOR M F F T T SP SP A B C D E F RFO MDI1 2 LIMIT NJM4580M A 5V PT2303 A 5V SP_L R SP_L R OP OP TROPEN M5V CM1117 VCOMO CPH1 2 3 STHL R STVL R OEH V LNR UND CKV R 0 5 G 0 5 B 0 5 SPK H P BATTERY SI4335 DC_IN DC DC BLOCK1 DC DC BLOCK2 3 3V M5V 2F2301P A 5V LD_5V FDS4435 TPS60400 A 5V SP_MUTE 3 3V BAT_OUT AD_T ...

Page 56: ... _PR SW PW PWM Divide AD AD_V _V BAT load AD AD_I _I DC DC AM5898 5 VA SW M5V A 5V V inverter TPS60400 A 5V 3 3 VA REG CM1117 1 8 V Step up converter MP1540 10V 10V 15V Step down converter MP2359 REG CM1117 2 5 V 9 3V LCD Panel Video Audio System Servo 5VA 5VA 5V 5V 3 3 3 3V 1 8 1 8V 5V 5V 3 3 3 3V 9 3V 3V 15V 15V 10 10V D5V D5V 5VA 5VA M5V M5V 5V 5V 3 3 3 3V 1 2 1 2V ...

Page 57: ... MA0 MA11 DBA0 1 SDCLK SDCKE 16MBit FLASH MEMORY AD0 AD7 A0 A19 AA20 AA21 PCE PRD PWR 3 3V SCL 27MHz 5V VFD_RXD SDA 5V REMOCON RECEIVER KEY1 2 3 3V 3 3V 2 21 8 16Mbit 2 14 2 8 16 64Mbit 2048 8 16KBit 1 8V 3 3V M_RESET ZR966LV MPEG 256MBYTE NAND FLASH MEMORY IO 0 7 IO 8 15 CLE ALE CE WE RE WP R B 3 3V 3 IN 1 MEMORY CARD SD 1 9 SD WP 1 2 MS 1 10 SD CD 1 2 AM5898N MOTOR DRIVER V1P4 FOSO TRSO FMSO DMS...

Page 58: ...D_DVD HOME SW ALPC VR_CD VR_DVD SL SL SPINDLE_SENS SPINDLE_SENS_ SP SP IM Travers Traverse CMS e CMS SP1CHU SP1CHU VC 2 1V 1 4 2 3 SW PUSHBUTTON Tray_Open SW Block Door Closed 3 3 3 3V Voltage Inverter 5V 5V 5V 5V TPS TPS604 60400 00 M5V M5V 2 2 A A 2 2 A A IC401 AM5898N Motor Driver PICK UP SOH DP10U Spi Spindle dle Mo Motor Sl Sled ed Mo Motor 2 2 A A 2 2 A A IC201 201 ZR966LV ZR966LV P DVD P DV...

Page 59: ...se Only 5 AV BLOCK DIAGRAM B2 L AV OUT H AV IN SP_R R L R 2CH DAC ZORAN 966 MPEG Video ADC VIDEO JACK FSAV330 VIDEO S W 5V B1 A 1 8V 3 3V CVBS AUDIO JACK PT2257 AUDIO S W PT2303 SPK AMP H P JACK SPK SPK 5V 5V SP_L L H P JACK SP_L SP_R SP_MUTE NJM4580M OP AMP 5V 5V L AV OUT H AV IN VIDEO_IO_CON S Audio ADC 5V S W ...

Page 60: ...1000pF C246 NC 1000pF TP208 TP208 1 2 CM210 220uF 6 3V CM210 220uF 6 3V TP211 TP211 R209 75 R209 75 C237 NC 33pF C237 NC 33pF C233 NC 33pF C233 NC 33pF TP207 TP207 C251 0 1uF C251 0 1uF C242 0 01uF C242 0 01uF R223 NC R223 NC C260 10uF 16V C260 10uF 16V C247 0 022uF C247 0 022uF R205 51K R205 51K C216 0 01uF C216 0 01uF C209 1uF C209 1uF C206 22pF C206 22pF R219 330 R219 330 C238 NC 33pF C238 NC 3...

Page 61: ... 3 25V 10mA DVD_PLAY 3 25V 10mA NAND FLASH P ON 3 25V 3mA DVD_PLAY 3 25V 3mA R316 33 R316 33 C305 0 1uF C305 0 1uF C313 33pF NC C313 33pF NC R301 10K R301 10K C309 0 1uF C309 0 1uF SD_DAT1 1 SD_DAT0 2 SD_GND 3 MS_GND 4 MS_BS 5 SD_CLK 6 MS_DATA1 7 MS_DATA0 8 SD_VCC 9 MS_DATA2 10 SD_GND 11 MS_INS 12 MS_DATA3 13 SD_CMD 14 MS_SCLK 15 SD_DAT3 17 MS_GND 18 SD_DAT2 19 SD_WP_SW 20 SD_CD_SW 21 MS_VCC 16 SD...

Page 62: ... R436 2K C408 0 1uF C408 0 1uF 1 2 D401 SS24 D401 SS24 10 9 8 7 6 5 4 3 2 1 11 13 12 15 14 16 20 19 18 17 24 23 22 21 25 26 J401 CON24_0 5MM J401 CON24_0 5MM R432 0 R432 0 C410 0 1uF C410 0 1uF C440 0 1uF C440 0 1uF R423 10K R423 10K 1 2 CM403 47uF 16V CM403 47uF 16V TP406 TP406 1 2 3 4 5 6 J402 CON6_1 5MM_DIP_B J402 CON6_1 5MM_DIP_B R408 0 R408 0 C437 1000pF C437 1000pF R446 220 R446 220 R442 33 ...

Page 63: ...1 3 4 J501 CON2_1 25MM J501 CON2_1 25MM 1 2 L508 0603 120 ohm PB L508 0603 120 ohm PB R551 100 R551 100 1 2 D501 LL4148 D501 LL4148 1 3 2 B C E Q508 2N3904 B C E Q508 2N3904 C531 56pF C531 56pF R544 47K R544 47K R514 100K R514 100K R513 4 7K R513 4 7K C540 10uF 16V C540 10uF 16V R537 10K R537 10K C522 ESD 15pF C522 ESD 15pF C523 10uF 16V C523 10uF 16V C516 47pF C516 47pF 1 3 2 B C E Q505 2N3904 B ...

Page 64: ...uH L605 0805 10uH C617 0 1uF C617 0 1uF R621 10K R621 10K C601 0 1uF C601 0 1uF C615 0 1uF C615 0 1uF R611 150K 1 R611 150K 1 R633 51 R633 51 R634 2K R634 2K 1 2 SW610 RESET SW610 RESET L606 0805 10uH L606 0805 10uH 1 2 CM604 100uF 16V CM604 100uF 16V 1 2 D606 SS5822 D606 SS5822 R630 4 7K R630 4 7K R613 51K R613 51K 2 1 3 4 J601 CON2_1 0MM J601 CON2_1 0MM TP612 TP612 C608 0 1uF C608 0 1uF R652 120...

Page 65: ...1 1 3 2 4 G G SW106 MODE G G SW106 MODE 1 3 2 4 G G SW105 LCD MODE G G SW105 LCD MODE R103 2K 1 R103 2K 1 1 3 2 4 G G SW108 VOL G G SW108 VOL R104 3K 1 R104 3K 1 1 3 2 4 G G SW107 COLOR_BRIGHT G G SW107 COLOR_BRIGHT R101 1 2K 1 R101 1 2K 1 1 3 2 4 G G SW109 VOL G G SW109 VOL 1 3 2 4 G G SW103 SETUP G G SW103 SETUP 10 MAIN KEY 10 MAIN KEY 10 MAIN KEY Friday February 15 2008 Friday February 15 2008 ...

Page 66: ...on 3 29V 2 7V 3 6V 37 VCC The VCC supplies the power for all the operation 3 29V 2 7V 3 6V U305 AT26DF161A 8 VCC Device power supply 3 295V 2 7V 3 6V U401 AM5898N 6 PVCC1 Vcc for step down converter 1 9 2V 4 5 16V 7 PVCC2 Vcc for step down converter 2 9 2V 4 5 16V 10 VCC1 VCC for power block of sled 4 98V 4 3 13 2V 24 VCC2 VCC for power block of spindle tracking and focus 4 98V 4 3 13 2V U501 FSAV...

Page 67: ...PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW 2 MAIN KEY P C BOARD TOP VIEW Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only BOTTOM VIEW ...

Page 68: ...3 69 3 70 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MAIN P C BOARD BOTTOM VIEW 3 MIS P C BOARD TOP VIEW BOTTOM VIEW ...

Page 69: ...3 71 3 72 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO MEMO ...

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