LG MBS62V Service Manual Download Page 16

Page: 16 / 79

3-5

PWM modulation part

YES

Replace the related part

Check the

related part of X601

YES

Replace the related part

Check R668(470

Ω

)

output

YES

Replace the related part

YES

Check resistance

output of each LINE

Check IC604

PS9829 DATA input

YES

Refer to SMPS

Troubleshooting

5. PWM MODULATION PART

YES

Check P7905

9PIN 3.3V

YES

Check if

X601 12.288MHz is

working.

YES

Check IC604 PS9829 part.

Check

output of IC100

78KOKF2

21-->PWM_CLK

22-->PWM_DATA

43-->PWM_REST

Check

resistance

output of LINE DATA:

R623 CLK: R624

RST: R619

Refer to DVD

Troubleshooting

Check

IC604

PS9829 DATA input

78 PIN-->DATA

79 PIN-->CLK

96 PIN-->REST

Check PWM

MODULATOR

output FL:75(+)74(-)

FR:71(+)70(-)

Check

DVD ASS`Y PS9829

communication condition

(DVD INTERFACE)

Check IC604

PS9829 86PIN

CLK input

Check IC604 PS9829 VDD PIN

power (3,10,22,29,39,47,56,65,

72,87,94) Check X601 2PIN 3.3V

ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART

LGE Internal Use Only

Summary of Contents for MBS62V

Page 1: ...RVICE MANUAL MODEL MBD62I MBS62V CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL MBD62I MBS62V SERVICE MANUAL P NO AFN35036930 SEPTEMBER 2007 Website http biz lgservice com Internal Use Only ...

Page 2: ...POWER ON SPINDLE SIGNAL AT MD DECK 3 25 6 AT FIRST ACTION FOCUS SIGNAL A B C D 3 25 7 TRACKING SIGNAL 3 26 8 RF WAVEFORM 3 26 9 DISK TYPE JUGEMENT WAVEFORM 3 27 INTERNAL BLOCK DIAGRAM OF ICs 3 28 1 AK5358 3 28 2 EM639165 3 30 3 ES29LV160E 3 32 4 HT1000 3 34 5 IP9009 3 37 6 KS24L161 3 38 7 MC4580 3 39 8 PS9829B 3 40 9 PT6324 3 41 10 STR A6252 3 44 11 µPD78F0546R R 3 45 WIRING DIAGRAM 3 49 BLOCK DIA...

Page 3: ...ely 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 held by a delicate spring When clea...

Page 4: ...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 possibility of damage by static electricity 4 To prevent AC leakage the metal part of...

Page 5: ...n 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 conductive foam aluminum foil or comparable conductive materials 7 Immediately before removing the ...

Page 6: ... Pr 0 7V p p 75ohms RCA jack x 1 TUNER FM Tuning Range 87 5 108 0MHz or 65 74MHz 87 5 108 0MHz Intermediate Frequency 10 7MHz Signal to Noise Ratio 60 55dB Frequency Response 50 10000Hz AM Tuning Range 522 1620kHz or 520 1720kHz Intermediate Frequency 450kHz Signal to Noise Ratio 30dB Frequency Response 80 1800Hz AMPLIFIER Output Power 30W 30W T H D 0 5 Frequency Response 40 20000Hz Signal to nois...

Page 8: ...63 463 261 463 463 463 463 463 463 463 463 461 461 274 276 300 250 273 461 257 461 CABLE3 CABLE2 IPOD 2 1 2 2 SECTION 2 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 9: ...N DP 12A 012 010 012 012A 019 442 442 A26 A02 A01 A03 026 001 002 003 439 018 013 017 014 020 016 440 015 015B 015A 435 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 10: ...2 5 3 SPEAKER SECTION MBS62V 750 751 752 754 755 757 A70A 758 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only A70 756 753 757A 759 ...

Page 11: ...y BLACK Antenna Loop 811 Packing 824 Battery 808 Antenna 825 Remote control 900 Instruction Ass y 801 Packing 803 Box 802 803A Bag 804 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 12: ...hooting YES YES Check power of both terminals of IC101 KIA7042 Check if IC101 KIA7042 input is over 5V YES NO Check the related part of IC101 KIA7042 NO YES Check if output voltage of IC101 KIA7042 is 4 3V Check IC100 78KO KF2 1PIN power NO Replace the related parts Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 13: ...er of both terminals of D101 1SR35 YES YES Check the related part NO Check D101 1SR35 output is working on 5V YES YES YES YES Check the related part Check Q102 COLLECTOR OK Check output power of IC101 KIA7042 is over 4 3V OK NO Replace the related parts NO Replace the related parts YES Check the related part OK NO Replace the related parts 3 2 ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyrig...

Page 14: ...M power 5V 22 PIN DATA 24 PIN CLK NO NO YES Replace the related parts Check the related part NO YES OK 3 IC103 KS4CD21CS CHECK ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 15: ...ut power YES Check P7302 connection condition and power F1 F2 both terminals over 3 7V Check power VKK over 28V Check 24 PIN 5 6V YES YES YES YES OK OK 76PIN DO DATA input NO IC100 75PIN STB 78PIN 1PIN CLK Check Data output Check IC100 IC301 DATA communication PIN PIN 75PIN 3PIN STB 76PIN 2PIN DO 78PIN 1PIN CLK Check IC301 PT6324 power 50PIN VKK 28V 9 51PIN 5V F1 F2 both terminals over 3 7V Check ...

Page 16: ... part OK NO Check output of IC100 78KOKF2 21 PWM_CLK 22 PWM_DATA 43 PWM_REST NO Check resistance output of LINE DATA R623 CLK R624 RST R619 Refer to DVD Troubleshooting NO NO Check IC604 PS9829 DATA input 78 PIN DATA 79 PIN CLK 96 PIN REST Check PWM MODULATOR output FL 75 74 FR 71 70 NO Check DVD ASS Y PS9829 communication condition DVD INTERFACE Check IC604 PS9829 86PIN CLK input Check IC604 PS98...

Page 17: ...13 14 15PIN 21 5V YES Replace the related parts YES NO Check output LINE COIL Check PWM MODULATOR input 4 6 14 16PIN YES Check POWER IC 700 34 29 27 20PIN output Check input power IC700 34 29 26 21PIN OK 6 POWER AMP PART CHECK ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 18: ...N VSS power Refer to SMPS Troubleshooting NO NO YES Replace the related parts OK YES YES Check IC801 MC4580 2 6PIN input waveform Check IC801 MC4580 4PIN VSS 8PIN VDD power Check IC200 BU4052 3 13PIN output waveform Check if JK305 contacts with ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use...

Page 19: ...200 BU4052 16PIN VDD 8PIN VSS power Refer to SMPS Troubleshooting NO NO YES Replace the related parts OK YES Check IC801 MC4580 2 6PIN waveform Check IC801 MC4580 4PIN VSS 8PIN VDD power Check IC200 BU4052 3 13PIN output waveform YES Check Audio in ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal...

Page 20: ...200 BU4052 16PIN VDD 8PIN VSS power Refer to SMPS Troubleshooting NO NO YES Replace the related parts OK YES Check IC801 MC4580 2 6PIN input waveform Check TUNER module TUN800 is working Check IC801 MC4580 4PIN VSS 8PIN VDD power Check IC200 BU4052 3 13PIN output waveform ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and servi...

Page 21: ...NO NO Check or Replace the D102 IS the D959 normal Replace the D959 YES NO Is there about 2 5V at the IC103 1PIN Replace the IC103 YES NO Is the IC102 normal Replace the IC102 YES NO Is the D947 Normal Replace the D947 YES NO Is the D949 Normal Replace the D949 YES NO Is the D940 Normal Replace the D940 YES NO Replace the D943 YES NO Is the D941 Normal Replace the D941 YES NO Power Line of Main PC...

Page 22: ... the D943 YES YES NO Is the IC955 4PIN H Check the P CTL H signal from µ com YES NO Check or Replace the IC955 No 12V Is the Vcc 13 5V supplied to IC947 1PIN Check or Replace the D940 YES YES NO Is the IC947 4PIN H Check the P CTL H signal from µ com YES NO Check or Replace the IC947 ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for traini...

Page 23: ...e PWR CTL H signal from µ com YES NO Check or Replace the Q942 No VF Is the ZD950 Normal Replace the ZD950 YES YES NO Replace the R993 or Q950 Q943 ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 24: ...C200 BU4052 16PIN VDD 8PIN VSS power Refer to SMPS Troubleshooting NO NO YES Replace the related parts OK YES Check IC801 MC4580 2 6PIN input waveform Check IC801 MC4580 4PIN VSS 8PIN VDD power Check IC200 BU4052 3 13PIN output waveform ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 25: ...ES Replace the related parts YES YES Check IC200 BU4052 2 15PIN input waveform Check IC200 BU4052 16PIN VDD 8PIN VSS power Refer to SMPS Troubleshooting NO NO YES Replace the related parts OK YES Check IC801 MC4580 2 6PIN input waveform Check IC801 MC4580 4PIN VSS 8PIN VDD power Check IC200 BU4052 3 13PIN output waveform ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART Copyright 2007 LG Electronics ...

Page 26: ...t FLD Does it appear DVD ERROR at FLD YES Check Connector P400 P401 Refer to SMPS Troubleshooting NO NO YES Check DVD MD Module OK YES Does No DISC or Time are appeared at FLD Check the voltage of each pin on P7905 3 5 7 9 10PIN Select the DVD Mode Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 27: ...138 139 140 NO YES ES8380 VIDEO outputs properly Check the cable connection between DVD PCB and MD MECHA Check the MD mecha NO NO YES Does tray move inside when it is at closed position OPEN CLOSE signals on P401 are OK Check the output signal of ES8380 to IC401 for control OPEN CLOSE NO YES OPEN CLOSE signals on IC401 are OK Check the tray control I O PIN on IC401 NO YES Load load signals on P401...

Page 28: ... A B Check the cable connection with MECHA Check focus connection on ES8380 and motor driver IC Optical Lens is moving for searching Focus Proper focus outputs to motor driver NO NO YES YES YES YES Check the motor driver IC401 Proper F F outputs NO Check cable connection with pick up head ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART Copyright 2007 LG Electronics Inc All right reserved Only for tra...

Page 29: ...s OK Q405 Q406 NO YES YES YES B C Check cable connection between P400 and pick up head Check the SPINDLE related circuit on ES8380 Does SPINDLE rotate Proper SPINDLE signal on ES8380 NO Check the SPINDLE control of motor driver SPIN SPIN output properly NO NO YES YES YES Check the cable connection between P400 and MD ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART Copyright 2007 LG Electronics Inc Al...

Page 30: ...n P400 and MD Check the related circuit between IC401 and ES8380 Check the tracking control on motor driver IC401 Track on OK Disc play Proper TRO signal on IC401 NO T T output properly NO NO NO YES YES YES YES Check cable connection on pick up head Check RF signal waveform ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART Copyright 2007 LG Electronics Inc All right reserved Only for training and servi...

Page 31: ...YES D Check the MAIN PCB For example composite video check the video mute TR Q411 output of video buffer IC IC407 and ES8380 video signal data TEST END Picture signal data on ES8380 is OK NO NO ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 32: ...the USB DATA LINE P5301 Check the IC501 ES8380 Check DATA LINE PIN 97 USB No 98 USB Po OK YES Checking or USB display check NO YES Check the USB JACK POWER supply Check P5301 Reading OK check NO ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 33: ...OWER ON RESET DATA ETC WAVEFORM 1 RESET DVD 2 RX 3 TX 4 LCS3 FLASH Playing at USB function 1 HRST 2 5V 3 D 4 D Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 34: ... POWER ON 1 Limit SW 2 OPEN 3 CLOSE 3 STARTING ACTION WAVEFORM IN MD DEVICE 1 SLO from MPEG 2 SLED 3 SLED At Power on Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 35: ...3 24 4 FOCUS WAVEFORM 1 FDO 2 F 3 F INSERT CD INSERT DVD 1 FDO 2 F 3 F Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 36: ...N SPINDLE SIGNAL AT MD DECK 1 Spind 2 Spin 3 Spin 6 AT FIRST ACTION FOCUS SIGNAL A B C D 1 A 2 B 3 C 4 D Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 39: ...DIF PDN LRCK MCLK SCLK CKS2 CKS0 SDTO 1 2 BLOCK DIAGRAM VA AGND VD DGND MCLK Clock Divider Serial I O Interface Decimation Filter Decimation Filter Modulator Voltage Reference LRCK SCLK SDTO DIF PDN CKS0 CKS1 CKS2 VCOM AINR AINL Modulator Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 40: ...t at Power down mode 10 LRCK I O Output Channel Clock Pin L Output in Master Mode at Power down mode 11 MCLK I Master Clock Input Pin 12 SCLK I O Audio Serial Data Clock Pin L Output in Master Mode at Power down mode 13 PDN I Power Down Mode Reset Pin H Power up L Power down Reset The AK5358 must be reset once upon power up 14 DIF I Audio Interface Format Pin H 24bit I2S Compatible L 24bit MSB jus...

Page 41: ...1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 V SS DQ15 V SSQ DQ14 DQ13 V DDQ DQ12 DQ11 V SSQ DQ10 DQ9 V DDQ DQ8 V SS N C DQM U CLK CK E N C A 11 A 9 A 8 A 7 A 6 A 5 A 4 V SS Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 42: ... 2MX16 CELL ARRAY BANK D Column Decoder De co der 2MX16 CELL ARRAY BANK B CONTROL SIGNAL GENERATOR MODE REGISTER CLOCL BUFFER COMMAND DECODER CLOCK CKE CS RAS CAS WE UDQM LDQM COLUMN COUNTER ADDRESS BUFFER A0 A11 BA0 BA1 REFRESH COUNTER CLOCK BUFFER Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ...44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 48 Pin Standard TSOP ES29LV160 3 2 BLOCK DIAGRAM Command Register Analog Bias Generator Address Latch BYTE CE OE A 0 19 RESET Vcc Vss Chip Enable Output Enable Logic Vcc Detector Timer Counter Y Decoder X Decoder Y Decoder Cell Array Data Latch Sense Amps Input Output Buffers Sector Switches DQ0 DQ15 A 1 RY BY Write State Machine WE Copyr...

Page 44: ...e WE Write Enable RESET Hardware Reset Pin Active Low BYTE Selects 8 bit or 16 bit mode RY BY Ready Busy Output N A SO 044 Vcc 3 0 volt only single power supply see Product Selector Guide for speed options and voltage supply tolerances Vss Device Ground NC Pin Not Connected Internally Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 45: ..._B OTW SD PWM_A RESET_AB PWM_B OC_ADJ GND AGND VREG M3 M2 M1 PWM_C RESET_CD PWM_D VDD GVDD_C GVDD_A BST_A PVDD_A OUT_A GND_A GND_B OUT_B PVDD_B BST_B BST_C PVDD_C OUT_C GND_C GND_D OUT_D PVDD_D BST_D GVDD_D DKD PACKAGE TOP VIEW Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 46: ...1 M3 PVDD Power Supply Decoupling 35 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 PVDD_A B C D GND_A B C D GVDD_A B C D 4 4 VDD GND VREG AGND OC_ADJ Bootstrap Capacitors 2nd Order L C Output Filter for Each Half Bridge SD OTW Output H Bridge 2 Output H Bridge 1 OTW SD TAS5508 Copyr...

Page 47: ...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 PBTLConfiguration Pulldown Resistor Internal Pullup Resistors to VREG Copyright 2007 LG E...

Page 48: ...WD I Loading motor forward input 2 REV I Loading motor reverse input 3 CTL I Loading motor speed control 4 PS I Power save 5 IN1 I CH1 input 6 IN2 I CH2 input 7 SVCC Signal power supply 8 PVCC1 Power supply 1 9 VOL O Loading driver output 10 VOL O Loading driver output 11 VO2 O CH2 driver output 12 VO2 O CH2 driver output 13 VO1 O CH1 driver output 14 VO1 O CH1 driver output No SYMBOL I O SYMBOL 1...

Page 49: ... I2 C bus serial data interface Schmitt tigger input and SDA I O open drain output An external pull up resistor must be connected to VDD Typical values 3 for this pull up resistor are 4 7KΩ 100kHz and 1KΩ 400kHz SCL Input Schmitt tigger input pin for serial clock input 2 Input pin for hardware write protection control If you tie this pin to VCC the write WP Input function is disabled to protect pr...

Page 50: ... 39 7 MC4580 7 1 PIN CONFIGURATION 7 2 TEST CIRCUIT 7 3 ABSOLUTE MAXIMUM RATINGS TA 25 C Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 51: ...1 12 13 14 15 16 1 2 3 4 5 6 7 8 30 31 32 33 34 35 36 37 26 27 28 29 76 77 78 79 80 17 18 19 20 38 39 40 41 42 43 44 45 21 22 23 24 25 IO_VDD IO_VSS IO_VDD DVDD DVSS IO_VDD IO_VDD IO_VDD DVSS DVDD IO_VDD PULSUS PS9829B 8 2 BLOCK DIAGRAM PLL PWM Modulator Internal Controls MLRCK MBCK MSDIN 0 3 CLK_IN SCK SCL SO SDA SI I2C_AD0 CS I2C_AD2 PWM2_P M PWM3_P M PWM4_P M PWM5_P M PWM6_P M RESET OVERLOAD EX...

Page 52: ...9 20 21 22 23 24 25 26 15 SG5 KS5 SG6 KS6 SG7 KS7 SG8 KS8 SG9 KS9 SG10 KS10 SG11 KS11 SG12 KS12 SG13 KS13 SG14 KS14 SG15 KS15 SG16 KS16 SG 17 39 38 37 36 35 34 33 32 31 29 27 28 30 SG18 SG19 52 50 49 48 47 46 45 44 43 42 41 40 51 GND VDD VEE GR16 GR13 GR12 GR11 GR10 GR9 GR8 GR7 GR15 GR14 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use On...

Page 53: ...G12 KS12 SG13 KS13 SG14 KS14 SG15 KS15 SG16 KS16 SG17 SG18 SG19 SG20 GR1 GR2 GR3 GR4 GR5 GR6 GR7 GR8 SG21 SG22 SG23 SG24 GR9 GR10 GR11 GR12 GR13 GR14 GR15 GR16 DOUT CLK STB Serial Data Interface Control Display Memory Timing Generator Key Matrix Memory K1 K2 DIN Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 54: ...tput pin serial data is outputted at the falling edge of the shift clock starting from the lower bit 4 K1 to K2 I I I I O Key data input pins The data inputted to these pins is latched at the end of the display cycle 5 6 OSC Oscillator input pin A resistor is connected to this pin to determine the oscillation frequency 7 GND Ground pin 8 52 VDD Logic power supply 9 51 SG1 KS1 to SG16 KS16 O High v...

Page 55: ... FUNCTION Terminal No SYMBOL Description Functions 1 Source O C P Source O C P terminal MOSFET Source Over current protect 2 FM SS FM terminal Capacitor connection terminal for frequency jitter and soft start 3 GND Ground terminal Ground Input of constant voltage signal 4 FB CC OLP FB CC OLP terminal constant current operation control signal over load protection signal 5 Vcc Power supply terminal ...

Page 56: ...142 SCKA0 P143 SIA0 P144 SOA0 P145 STB0 P00 T1000 P01 T1010 TO00 P02 SO11 P03 SI11 P04 SCK11 P130 ANI0 P20 ANI1 P21 ANI2 P22 ANI3 P23 ANI4 P24 ANI5 P25 ANI6 P26 80 79 78 77 7675 74 7372 71 7069 68 67 66 65 64 6362 61 ANI7 P27 P60 SCL0 P61 SDA0 P62 EXSCL0 P63 P33 TI51 INTP4 P64 P65 P66 P67 P77 KR7 P76 KR6 P75 KR5 P74 KR4 P73 KR3 P72 KR2 P71 KR1 P70 KR0 P06 TI011 TO01 P05 TI001 SSI11 21 22 23 24 252...

Page 57: ...7 TI51 TO51 P33 RxD0 P11 TxD0 P10 RxD6 P14 TxD6 P13 SI10 P11 SO10 P12 SI11 P03 SO11 P02 SCK11 P04 SCK11 P05 SIA0 P143 SOA0 P144 SCKA0 P142 STB0 P145 BUSY0 P141 EXSCL0 P62 SDA0 P61 SCL0 P60 AVREF RxD6 P14 LINSEL INTP0 P120 INTP1 P30 to INTP4 P33 INTP5 P16 INTP6 P140 INTP7 P141 AVSS ANI0 P20 to ANI7 P27 SCK10 P10 RxD6 P14 LINSEL 16 bit timer event counter 01 8 bit timer H0 8 bit timer H1 Watchdog ti...

Page 58: ...cified by a software setting I O Port 5 Input port 8 bit I O port Input output can be specified in 1 bit units Use of an on chip pull up resistor can be specified by a software setting I O Port 6 Input port 8 bit I O port Output of P60 to P63 is N ch open drain output 6V tolerance Input output can be specified in 1 bit units Only for P64 to P67 use of an on chip pull up resistor can be specified b...

Page 59: ...up resistor can be specified by a software setting Output Port 13 Output port 1 bit output only port P70 to P77 KR0 to KR7 P130 P120 P121 P122 P123 P124 INTP0 EXLVI X1 X2 EXCLK XT1 XT2 EXCLKS I O Port 14 Input port 6 bit I O port Input output can be specified in 1 bit units Use of an on chip pull up resistor can be specified by a software setting P140 P141 P142 P143 P144 P145 PCL INTP6 BUZ BUSY0 I...

Page 61: ...SEN 5V P SENS S 5 5 6VA 6VA KIA278R KIA278R05 05 CN2 CN2 CN1 CN1 FEED FEED BACK ACK AM AMP 3 31 5V 5V 3 3 5V 278R35 5V 278R35 31 31 5V VK 5V VKK RECTIFIER RECTIFIER SMOOTHING SMOOTHING CIRCUIT CIRCUIT BLOCK DIAGRAMS 1 SMPS BLOCK DIAGRAM Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...IC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mod...

Page 74: ...01 8PIN 11 6V IC802 8PIN 4 99V RM301 3PIN 4 6V PIN No Voltage IC100 19PIN 4 87V 20PIN 4 87V 59PIN 4 87V IC103 8PIN 4 87V IC301 9PIN 4 8V 51PIN 4 8V IC302 6PIN 10 8V IC401 7PIN 5V 8PIN 5V 20PIN 5V IC409 6PIN 5V 7PIN 3 3V IC501 1PIN 3 29V 10PIN 3 29V 17PIN 1 47V 24PIN 3 29V 36PIN 3 29V 46PIN 3 29V 53PIN 3 29V 59PIN 3 29V 66PIN 1 47V 73PIN 3 29V 80PIN 1 47V 90PIN 3 29V 97PIN 3 2V 104PIN 3 2V 111PIN 3...

Page 79: ...88 MEMO 4 MIC JACK P C BOARD TOP VIEW BOTTOM VIEW 5 IPOD P C BOARD OPTION TOP VIEW BOTTOM VIEW Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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