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3-50

Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

4) SPECIFICATIONS

Parameter

Min

Max

Units

Power Supply Voltage (IO_VDD)

-

0.5

4.0

V

Power Supply Voltage* (DVDD, PLL_AVDD, PLL_DVDD)

V

Output Current (/Pin)

-

25

mA

Input Voltage

V

SS

– 0.5

5.5

V

Storage Temperature

-65

+150

°

C

Stresses greater than those listed over Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating
only; functional operation of the device at these or any other conditions above those indicated in the operational section of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability

.

The *power supply voltage (DVDD, PLL_AVDD, PLL_DVDD) is supplied by internal regulator.

RECOMMENDED OPERATING CONDITIONS

Parameter

Min

Typ

Max

Units

Power Supply Voltage (IO_VDD)

2.97

3.3

3.63

V

Supply Current (IO_VDD = 3.3V)

-

160

-

mA

Input Voltage

- 0.3

-

5.5

V

Ambient Operating Temperature

-20

25

75

°

C

ELECTRICAL CHARACTERISTICS

Parameter

Min

Typ

Max

Units

Input Leakage Current
(except Pull-up, Pull-down Input)

- - 10

µ

A

High-Level Input Voltage (except Schmitt Input)

2.0

-

5.5

V

Low-Level Input Voltage (except Schmitt Input)

-0.3

-

0.8

V

VT+(Schmitt trigger positive threshold voltage)

1.44

1.5

1.56

V

VT-(Schmitt trigger negative threshold voltage)

0.89

0.94

0.99

V

High-Level Output Voltage (I

O

= 24mA)

2.4

-

-

V

Low-Level Output Voltage (I

O

= 24mA)

-

-

0.4

V

Pull-up Resistance

39

65

116

k

Ω

Pull-down Resistance

40

56

108

k

Ω

Input Capacitance (f = 1MHz, V

DD

= 0V)

-

-

10

pF

Output Capacitance (f = 1MHz, V

DD

= 0V)

-

-

10

pF

Low Level output current @Vol=0.4V 2mA
4mA

2.4
4.7

4.0
8.0

5.0

10.0

mA

High Level output current @Voh=2.4V 2mA
4mA

2.8
5.6

5.9

11.9

9.5

19

mA

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Содержание FBS203V

Страница 1: ...ICE MANUAL P NO AFN542679853 MARCH 2008 KARAOKE MINI Hi Fi SYSTEM SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL MBD K203Q FBS203V Website http biz lgservice com Internal Use Only ...

Страница 2: ... EXPLODED VIEWS CABINET AND MAIN FRAME SECTION 2 1 DECK MECHANISM EXPLODED VIEW 2 3 SPEAKER EXPLODED VIEW 2 5 PACKING ACCESSORY VIEW 2 6 SECTION 3 ELECTRICAL PART TROUBLESHOOTING GUIDE AUDIO PART TROUBLESHOOTING GUIDE 3 1 DVD PART TROUBLESHOOTING GUIDE 3 11 WAVEFORMS OF MAJOR CHECK POINT 3 19 WIRING DIAGRAM 3 25 BLOCK DIAGRAM 3 26 CIRCUIT DIAGRAMS 3 27 INTERNAL BLOCK DIAGRAM OF IC 3 47 CIRCUIT VOL...

Страница 3: ...stallation screws should absolutely never be touched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is hel...

Страница 4: ...where there is excessive dust 2 Notes for repair 1 Before replacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the ...

Страница 5: ...s anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by con...

Страница 6: ...FLD no disc status Remote control 2 Front STOP push same timing during 5s FLD OP 0 Use arrow key move to appropriate position and make changes Press ENTER key once FLD write ok Remote control 2 Front STOP push same timing FLD display E2P CLR or EP CLR Auto power off MODEL FBD203 NAME HEX OPT 1 00 OPT 2 00 OPT 3 00 OPT 4 00 OPT 5 00 DETECT NEW EEPROM OPTION EDIT SCREEN ...

Страница 7: ...e control Pause key 1 4 7 2 in order Press number 0 9 Press character A F 1 6 for a while Use arrow key to move to appropriate position and make changes Press pause key once Change will be applied when power OFF ON NAME OPT 1 OPT 2 OPT 3 OPT 4 OPT 5 OPT 6 OPT 7 OPT 8 OPT 9 OPT A OPT B OPT C OPT D OPT E OPT F OPT G HEX 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DETECT NEW EEPROM OPTION EDIT SC...

Страница 8: ...ram Water Wall installed store it at the USB device disable the security protection and download it to the set Note Do not perform any other work such as disconnecting the USB device switching to the other Function and turning off the power while downloading it to the set The USB device should be disconnected after completing the download 1 When the USB device is inserted at the USB function a aft...

Страница 9: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 The message Upgrade is displayed while downloading 3 The power is automatically turned off when downloading is completed ...

Страница 10: ...ownload it to the set After safely storing BANK30 ROM at the USB device perform the following steps Note Do not perform any other work such as disconnecting the USB device switching to the other Function and turning off the power while downloading it to the set 1 When the USB device is inserted at the USB functiona after a while TV screen is displayed on the as following figure 2 When downloading ...

Страница 11: ...ve to 16 9 enter 1397139 by using the numeric key of the remote controller and then press the Enter key Then the System Information screen is displayed as shown inthe following figure If not retry the steps at the above 4 When Step 3 is completed press the PAUSE KEY of the remote controller 5 Disconnect the power code and reconnect it after 5 seconds to complete downloading 7 When the power is tur...

Страница 12: ...ntermediate Frequency 450 kHz Amplifier OUTPUT POWER 100 W 100 W 4Ω THD 0 5 MBD K203Q 50 W 50 W 4Ω THD 0 5 MBD K103Q Stereo Mode 100 W 100 W 4Ω THD 0 5 MBD K203Q 50 W 50 W 4Ω THD 0 5 MBD K103Q Frequency Response 40 20000Hz Signal to noise ratio 75dB DVD VCD CD player Frequency response audio 40 20000 Hz Signal to noise ratio audio More than 75 dB 1 kHz Signal to noise ratio video More than 55 dB 1...

Страница 13: ...1 12 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 14: ...270 271 271 H I CABLE3 H I 271 C CABLE1 2 1 2 2 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CABINET AND MAIN FRAME SECTION SECTION 2 EXPLODED VIEWS NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE ...

Страница 15: ...y for training and service purposes LGE Internal Use Only DECK MECHANISM EXPLODED VIEW 1 DECK MECHANISM SECTION DP 10 A26 439 018 014 001 002 003 A01 A02 020 013 017 012 019 015 435 012 432 030 010 439 024 431 435 025 036 430 021 A03 026 440 016 015A 012A 012A 015B ...

Страница 16: ...ctronics Inc All right reserved Only for training and service purposes LGE Internal Use Only FRONT SPEAKER FBS203V SPEAKER EXPLODED VIEW 851 852 A81A A81R A81L A80R A80L 853 854 855 856 860 861 859 863 862 860 865L 865R 857 858 ...

Страница 17: ...y for training and service purposes LGE Internal Use Only 808 Battery 900 Remote Control 801 Instruction Ass y 803 Packing 803 Packing 804 Bag 802 Box 825 Antenna 824 Antenna Loop Micro Phone 827 801S Song Book Plug Ass y 1Way 811 832 DISC PACKING ACCESSORY VIEW ...

Страница 18: ...s Check if output voltage of IC101 KIA7042 is 4 3V YES YES YES YES YES YES Check IC100 LC87F5NC8A 4 PIN power YES Refer to SMPS troubleshooting MICOM PART HECK I Check CN101 6PIN P SENS NO Check power of both terminals of IC101 KIA7042 Check if IC101 KIA7042 input is over 5V Check the related part of IC101 KIA7042 AUDIO ELECTRICAL TROUBLESHOOTING GUIDE SECTION 3 ELECTRICAL PART ...

Страница 19: ...ES OK YES YES Check Q102 COLLECTOR YES Check the related part Replace the related parts Check the working condition X100 32 768kHz X101 9 8304MHz Check CN101 5PIN 5 6V Check power of both terminals of D101 RS1G YES NO Check Q10 EMITTER 5V and COLLECTOR 5V Check the related part MICOM PART CHECK II NO NO Replace the related parts Check Q102 BASE PIN 0 6V HIGH NO Check output power of IC101 KIA7042 ...

Страница 20: ...raining and service purposes LGE Internal Use Only 3 IC103 S 24CS16A01 PART CHECK YES YES YES YES 81 PIN DATA 82 PIN CLK Check the related part NO Check MICOM power 5V CHECK IC100 LC87F5NC8A 81 82 PIN NO Replace the related parts NO Refer to micom troubleshooting OK OK ...

Страница 21: ...on condition and power F1 F2 both terminals over 3 7V Check powerVKK over 28V Check 4 5 PIN 5 6V YES Check IC304 PT6324 power 50 PINVKK 28V 9 52 PIN 5V YES YES Check power of each PIN IC100 Check IC304 Data communication PIN PIN 27PIN 3PIN STB 26PIN 2PIN DO 28PIN 1PIN CLK OK OK OK NO Replace the related part NO Replace the related part NO NO NO When 5V fails check D321SR35 input and output power I...

Страница 22: ...ut of line CLK R3A2 DATA R3A3 IC3A1 28PIN check 5V Check IC3A1 8Pin 9Pin IC100 97Pin CLK 96Pin DATA TOUCH PAD CHECK YES OK YES OK YES OK 6 PWM MODULATION PART CHECK Check PN102 10PIN 3 3V PWM MODULATION PART CHECK Refer to SMPS Troubleshooting NO Check if X701 12 288MHz is working YES YES YES YES Check IC702 PS9830 VDD PIN power 3 10 22 29 39 47 56 65 72 87 94 Check X701 2PIN 3 3V Replace the rela...

Страница 23: ... 79 PIN CLK 96 PIN REST Check PWM MODULATOR output FL 75 74 R 71 70 OK Replace the related part NO Check resistance output of LINE DATA R797 CLK R795 RST R790 Refer to DVD Troubleshooting NO Check DVD ASS Y PS9830 communication condition P7403 YES OK Check IC702 PS9830 part Check resistance output of each LINE NO Check IC702 PS9830 DATA input OK YES YES YES Check IC702 PS9830 86 PIN CLK input Repl...

Страница 24: ... Troubleshooting PN102 3PIN 13 14 15 PIN 28V YES YES NO Check resistance power IC700 R702 701 726 727 724 Check input power of IC700 1 36 17 18 19 PIN 12V YES NO Replace the related parts Check output LINE COIL POWER AMP PART CHECK OK Check input power IC700 34 29 26 21 PIN YES Check PWM MODULATOR input 4 6 14 16 PIN YES Check POWER IC 700 34 29 27 20 PIN output ...

Страница 25: ... Only 8 TUNER FUNCTION PART CHECK YES YES NO Check TUNER MODUEL power Check 4PIN 9V CheckTUNER module TU100 is working YES YES NO Check IC201 CS5345 5 14 30 5V 36 46 3 3V Replace the related parts Check IC201 CS5345 14PIN output waveform TUNER FUNCTION PART CHECK OK Check IC201 CS5345 26 27PIN input waveform YES ...

Страница 26: ... Check BD901 LF901 902 NO Check short of P9702 line Check short of P9701 P9702 line NO Check short of P9701 line NO Replace IC901 902 Check the DC V of C905 if DC V is over 400V NO YES Check the DCV of C909 C903 C921 If DCV is in 14 19V And it is steady Check IC901 902 YES YES Check the DC V of C981 C945 If DC V is 6 1V YES Check the DC V of C950 C951 If DC V is in 29V OK MAIN PART MAIN PART ...

Страница 27: ...S Check the PIN6 of P9702 if DCV is over 5 6V YES OK NO Check power circuit Troubleshooting YES VKK CHECK Check the PIN3 of P9702 if DCV is over 30V 1 YES OK 10 IPOD PART ONLY NORTH AMERICA YES YES YES YES YES NO Check the JK3C1 13pin 30pin Check the JK3C1 13pin and 30pin line LOADING NO Check the JK3C1 18pin 19pin Check theJK3C1 18pin and 19pin line OSD IPOD TURN ON IPOD OK OK YES OK YES ...

Страница 28: ... TROUBLESHOOTING GUIDE 1 POWER CHECK GUIDE YES YES YES YES YES YES Does DVD appear at FLD Does No DISC or Time are appeared at FLD Check Connector P4405 P4407 P4408 NO NO Does it appear DVD ERROR at FLD POWER ON NO Check an Audio Micom Select the DVD Mode Reconnect it YES Check DVD MD Module Check the voltage of each pin on PN102 OK ...

Страница 29: ...s between SDRAM IC502 ES8390 or the SDRAM is damaged YES SDRAM works properly NO Check the related circuit of ES8390 IC501 PIN80 83 84 85 YES ES8390VIDEO outputs properly NO NO Check the MD mecha Check the cable connection between DVD PCB and MD MECHA Does DISC was inserted inside when you push Disc1 5 button YES YES SW5 SW7 signals on PN4402 are OK NO Check the output signal of ES8390 to IC401 fo...

Страница 30: ...nection with MECHA Do not put in disc and tray close Does the SLED move to inner side when it is at outer position YES YES Motor Drive DRV_MUTE pin is high YES YES SLED signal is OK NO NO Check Focus connection on ES8390 and motor driver IC Check cable connection with pick up head Optical Lens is moving for searching Focus YES YES Proper Focus outputs to motor driver NO Check the motor driver IC40...

Страница 31: ...ead Put disc in SLOT Laser turns on when reading disc YES YES DVDLD or CDLD output properly NO Check the related circuit of laser power transistor YES Collector voltage of power transistor is ok Q405 Q406 NO NO Check the SPINDLE related circuit on ES8390 NO Laser off Check the cable connection between PN4401 and MD Does SPINDLE rotate YES YES YES Proper SPINDLE signal on ES8390 NO Check the SPINDL...

Страница 32: ...ween PN4401 and MD Focus On OK YES YES Proper signal on A B C D from MD NO Check the related circuit of ES8390 FOCUS signal YES Proper FOD signal on IC401 NO NO Check the related circuit between IC401 and ES8390 Check cable connection on pick up head Tracking OK YES YES YES Proper TRD signal on IC401 NO Check the Tracking control on motor driver IC401 T T output properly NO Check RF signal wavefor...

Страница 33: ...O NO Check the SERIAL RESISTOR between ES8390 and IC702 YES Check the IC702 All outputs are Ok during playing DISK YES YES Audio signal data on ES8390 is OK NO For example composite video Check the video mute TR Q501 Output of Video buffer IC IC507 and ES8390 video signal data Picture signal data on ES8390 is OK D TEST END ...

Страница 34: ...eck the POWER supply circuit Check PN102 Check the HRST signal Check the HRST signal Check the USB PART and DVD PART line Checking or USB Display check YES YES YES NO Check the USB JACK POWER supply Check PN205 Check the USB DATA LINE PN205 Reading OK check YES YES YES Check the ES8390 Check DATA LINE PIN 91 USB No 90 USB Po TURN ON USB OK ...

Страница 35: ...3 18 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 36: ...All right reserved Only for training and service purposes LGE Internal Use Only WAVEFORMS OF MAJOR CHECK POINT 1 WHEN POWER ON RESET DATA ETC WAVEFORM 2 WHEN USB FUNCTION OPERATING 1 2 1 3 2 4 1 2 3 4 1 2 IC501 RESET DVD SPI_CS3 DI DO 5V D D ...

Страница 37: ...eserved Only for training and service purposes LGE Internal Use Only 3 OPEN CLOSE WAVEFORM AT POWER ON OPEN AND CLOSE 1 2 1 2 4 STARTING ACTION WAVEFORM IN MD DEVICE SLED HOME 1 2 3 1 2 3 OPEN High Low CLOSE Low Low SLO from MPEG SLED SLED IC501 IC501 ...

Страница 38: ...g and service purposes LGE Internal Use Only FOCUS WAVEFORM IN CASE OF CD RW 1 2 3 4 TE PI FOD FE 5 FOCUS WAVEFORM IN CASE OF CD 4 1 2 3 1 2 3 4 TE PI FOD FE IC501 FOCUS WAVEFORM IN CASE OF DVD5 1 2 3 4 FOCUS WAVEFORM IN CASE OF DVD RW 2 1 3 4 TE PI FOD TE TE PI FOD TE IC501 ...

Страница 39: ...service purposes LGE Internal Use Only 6 WHEN DISC READING SPINDLE KICK SIGNAL SPNN SPNP BE USED SPINDLE BREAK DIRECTION 4 1 2 3 1 2 3 4 SPNN SPNN WHEN WE PUSH OPEN OR STOP KEY SPIDLE BREAK SIGNAL SPNN SPNP BE USED SPINDLE BREAK DIRECTION 1 2 3 4 SPD TE SPNN SPNN SPD TE IC501 IC501 ...

Страница 40: ... training and service purposes LGE Internal Use Only 7 DVD CD DISTINCTION DISC SURFACE DATA LAYER DISTANCE IS DIFFERENT IN CASE OF CD 30MS 8 DVD CD DISTINCTION DISC SURFACE DATA LAYER DISTANCE IS DIFFERENT IN CASE OF DVD 14MS 1 3 2 1 2 3 Mirror PI FOD SPNN IC501 IC501 ...

Страница 41: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 9 AT FIRST ACTION FOCUS SIGNAL A B C D 4 3 2 1 1 2 3 4 A B C D 10 RF WAVEFORM ANALOG SCOPE F IC501 ...

Страница 42: ...3 25 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1page MD 9PIN 18PIN WIRING DIAGRAM ...

Страница 43: ...DRVER IC USB POT HDP MIC SCART JACK PCB SCART SMPS P_CTL 1 36V 3 3V 5V 12V 12V FL FL VKK 5 6VA SLO SPINO OPEN CLOSE FOO TRO DRV_MUTE SVREF 8 SPNN SPNP 2 LOAD SPIN SLED 6 RF PUDET F E A D C B LOAD_SW1 SW2 10 CD_DVDCT VC DVDMDI CDLDO DVDLDO 5 FL FL FR FR AMP_SD PROTECT PWM_CLK DAT RST AMP_PDN TUNER_DI DO CE MUTE RDS_CLK DAT HDRADIO_RX TX VFD_DO VFD_STB VFD_CLK RCU TOUCH_CLK TOUCH_DAT STBY_LED KEY H ...

Страница 44: ...R NO CIR CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LG CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTI CAL TO THOSE IN THE ORIGINAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AN...

Страница 45: ...MICOM CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ... MPEG CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 47: ...SERVO CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ... I O CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ... AMP CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...SCART CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 51: ...FRONT CIRCUIT DIAGRAM 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...UCH KEY CIRCUIT DIAGRAM Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...

Страница 53: ...opyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2008 02 19 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 10 MIC CIRCUIT DIAGRAM ...

Страница 54: ...VDD PLL_DVDD IO_VSS IO_VSS PLL_AVDD IO_VSS PLL_AVSS PLL_DVSS MLRCK MBCK MSDIN0 MIC_LRCK MIC_BCK MIC_MCLK PWM_HP_R_P IO_VSS PWM2_P PWM2_M PWM3_P PWM3_M PWM4_P PWM4_M SPI I2C CS I2C_AD2 SI I2C_AD0 SO SDA SCK SCL RESET SCAN_ENA XIN DVSS IO_VSS IO_VSS IO_VSS DVDD DVSS IO_VDD IO_VSS MSDIN1 MSDIN2 SLRCK SBCK DVSS PWM5_P PWM5_M DVDD TEST_MODE3 DVSS IO_VSS PWM6_P PWM6_M IO_VSS IO_VSS PWM1_P PWM1_M OVERLOA...

Страница 55: ...rmal operation XIN 86 Analog Crystal Oscillator input pin XOUT 87 Analog Crystal Oscillator output pin PCM Audio Input Output Interface MBCK 11 I O PCM bit clock input output of main 8 channel audio User can select the master slave mode of this signal Schmitt Trigger input MLRCK 12 I O PCM Word clock left right clock input output of main 8 channel audio User can select the master slave mode of thi...

Страница 56: ...dio Output PWM1_P 49 O Positive PWM output of channel 1 PWM1_M 48 O Negative PWM output of channel 1 PWM2_P 52 O Positive PWM output of channel 2 PWM2_M 51 O Negative PWM output of channel 2 PWM3_P 55 O Positive PWM output of channel 3 PWM3_M 54 O Negative PWM output of channel 3 PWM4_P 59 O Positive PWM output of channel 4 PWM4_M 58 O Negative PWM output of channel 4 PWM5_P 62 O Positive PWM outp...

Страница 57: ..._DVDD is supplied by internal regulator RECOMMENDED OPERATING CONDITIONS Parameter Min Typ Max Units Power Supply Voltage IO_VDD 2 97 3 3 3 63 V Supply Current IO_VDD 3 3V 160 mA Input Voltage 0 3 5 5 V Ambient Operating Temperature 20 25 75 C ELECTRICAL CHARACTERISTICS Parameter Min Typ Max Units Input Leakage Current except Pull up Pull down Input 10 µA High Level Input Voltage except Schmitt In...

Страница 58: ...3 51 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LC87F5NC8AVU 1 PIN CONFIGURATION ...

Страница 59: ...3 52 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 BIOCK DIAGRAM ...

Страница 60: ...3 53 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 PIN DESCRIPTIONS ...

Страница 61: ...3 54 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ... 102 103 104 105 106 107 108 109 110 53 54 55 56 57 58 59 60 61 62 63 64 65 66 F DRFP SLV MIN H G DRFN VGA DMO FOO DRAS2 SR 16 SR 15 SLO SR 17 VD33 DMA2 TRO AUX2 6 VS33 DMA1 CDPD SR 13 DMA4 DMA6 DMA0 VPA REFD SR 14 DMA5 DMA7 DMA10 A D E DRAS1 VBO SPNN MNTRN SPNP MNTRP IMSR AGC1 DVDLD CDLD SR 37 SR 36 SR 35 VID_XI INV_OUT REX AGC2 DVDPD PI V165O OPEN OPENSW AUX2 4 SR 30 SR 31 SR 34 TE FE MB DB MP V...

Страница 63: ...LL or VS33PLL via 4 7 kΩ resistor read only during reset SEL_PLL3 6 I Clock source select Strapped to VD33PLL or VS33PLL via 4 7 k resistor read only during reset DCAS O DRAM column address strobe active low SEL_PLL0 7 I Strap pin Refer to the description and matrix for SEL_PLL2 pin 5 DOE O DRAM output enable active low DWE 8 O DRAM write enable active low SEL_PLL1 Strap pin Refer to the descripti...

Страница 64: ...ntal sync TXD2 O Serial port 2 transmit AUX9 I O Auxiliary port 9 TSD 3 64 O Audio transmit serial data for down mix AUX10 I O Auxiliary port 10 RSD 65 I Audio receive serial data TDMDR I TDM serial data AUX11 I O Auxiliary port 11 RBCK 66 I O Audio receive bit clock TDMCLK I TDM bit clock AUX12 I O Auxiliary port 12 RWS 67 I Audio receive frame sync TDMFS I TDM frame sync AUX13 I O Auxiliary port...

Страница 65: ...O Aux3 data I O 1 CAMIN0 81 I Camera input 0 AUX3 0 I O Aux3 data I O 0 MCLK 82 I O Audio master clock for audio DAC RESET 83 I Reset active low RBCK 84 I O Audio receive bit clock TDMCLK I TDM bit clock CLK I System clock SR 20 27 85 92 I O Application specific pins Refer to Table 2 for details VREF 96 I Internal voltage reference to video DAC COMP 97 I Compensation input YUV3 O YUV pixel 3 outpu...

Страница 66: ...peed control 10 REV3 I Loading motor reverseinput 11 FWD3 I Loading motor forward input 12 SVCC Signal supply voltage 13 DO3 O CH3 driver output 14 DO3 O CH3 driver output NO SYMBOL I O DESCRIPTION 15 DO4 O CH4 driver output 16 DO4 O CH4 driver output 17 DO5 O CH5 driver output 18 DO5 O CH5 driver output 19 VCC2 Power supply voltage2 20 IN5 I CH5 input 21 IN4 I CH4 input 22 GND Ground 23 BIAS I Bi...

Страница 67: ...3 60 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 BIOCK DIAGRAM ...

Страница 68: ...ower Supply Hardwire Mode Control PVDD GVDD 12 V VDD 12 V GND Hardwire OC Limit M1 M3 PVDD Power Supply Decoupling 35 5 V 12 V GND VAC PWM_A PWM_C PWM_D PWM_B VALID M2 Left Channel Output Right Channel Output Input H Bridge 1 Input H Bridge 2 GVDD VDD VREG Power Supply Decoupling 4 4 4 Bootstrap Capacitors 2nd Order L C Output Filter for Each Half Bridge Output H Bridge 2 Output H Bridge 1 OTW OTW...

Страница 69: ...tion Isense GVDD_D RESET_CD 4 Protection and I O Logic PWM_C OUT_C GND_C PVDD_C BST_C Timing Gate Drive Ctrl PWM Rcv GVDD_C PWM_B OUT_B GND_B PVDD_B BST_B Timing Gate Drive Ctrl PWM Rcv GVDD_B PWM_A OUT_A GND_A PVDD_A BST_A Timing Gate Drive Ctrl PWM Rcv GVDD_A Ctrl BTL PBTLConfiguration Pulldown Resistor BTL PBTLConfiguration Pulldown Resistor BTL PBTLConfiguration Pulldown Resistor BTL PBTLConfi...

Страница 70: ... 1 68 91 1 9 92 0 002 93 1 66 94 3 44 95 0 002 96 5 01 97 0 002 98 0 002 99 0 002 100 0 002 IC703 MC4580 1 0 06 2 0 04 3 0 04 4 12 23 5 0 04 6 0 06 7 0 06 8 11 58 IC704 MSGEQ7N 1 5 14 2 0 01 3 0 4 4 0 04 5 2 2 6 2 58 7 0 08 8 2 54 IC103 S24CS1 1 0 01 2 0 01 3 0 01 4 0 01 5 5 04 6 5 04 7 0 01 8 5 04 IC102 KIA70 1 5 04 2 0 01 3 5 03 IC101 KIA70 1 5 23 2 0 01 3 4 08 IC MAIN_AMP IC 700 Pulsus PS9830 1...

Страница 71: ...3 26 20 0 09 21 0 03 22 0 09 23 0 09 24 0 55 25 0 56 26 1 6 27 3 38 28 0 01 29 1 38 30 1 53 31 1 79 32 1 38 33 2 62 34 0 35 0 02 36 0 02 37 3 38 38 1 45 39 0 02 40 0 41 0 01 42 0 83 43 3 38 44 0 89 45 0 77 46 0 01 47 0 76 48 0 68 49 3 39 50 0 87 PIN NO EE Mode V 51 0 95 52 0 01 53 1 11 54 0 01 IC503 1 3 16 2 1 65 3 3 4 4 0 01 5 0 63 6 2 51 7 3 4 8 3 41 IC504 1 0 01 2 0 01 3 0 01 4 0 01 5 0 19 6 3 ...

Страница 72: ...3 67 3 68 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...

Страница 73: ...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 DIAGRAM BOTTOM VIEW ...

Страница 74: ...08 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 SMPS P C BOARD DIAGRAM NOTE Warning Parts that are shaded are critical With respect to risk of fire or electrical shock ...

Страница 75: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 SCART P C BOARD DIAGRAM TOP VIEW SCART P C BOARD DIAGRAM BOTTOM VIEW 4 TOUCH KEY P C BOARD DIAGRAM TOP VIEW TOUCH KEY P C BOARD DIAGRAM BOTTOM VIEW ...

Страница 76: ...3 75 3 76 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 FRONT P C BOARD DIAGRAM 6 MIC P C BOARD DIAGRAM ...

Страница 77: ...3 78 3 79 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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