LG LSS-3200A Service Manual Download Page 101

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4-22

AL LOCA. NO. LG PART NO.

DESCRIPTION

SPECIFICATION

REMARKS

C128

0CE1074F638

CAPACITOR,ELECTROLYTIC

100U SRA 16V M FM5 TP(5)

C129

624-085D

CAPACITOR

CE 47UF/50V KME (SMPS)

C131

624-085D

CAPACITOR

CE 47UF/50V KME (SMPS)

C132

624-085D

CAPACITOR

CE 47UF/50V KME (SMPS)

C133

0CE2276F638

CAPACITOR,ELECTROLYTIC

220U SMS 16V M FM5 TP(5)

C134

0CE337EK630

CAPACITOR,AL.ELECTROLYTIC

330UF KMG 50V M FM5 BULK

C151

0CE1064K638

CAPACITOR,FIXED ELECTROLYTIC

10M SRA 50V M FM5 TP(5)

C152

624-085D

CAPACITOR

CE 47UF/50V KME (SMPS)

C153

0CE1064F638

CAPACITOR,ELECTROLYTIC

10M SRA 16V M FM5 TP(5)

D101

0DD010009CA

DIODE,RECTIFIER

EG01CW(R-FORM 5MM) TP SANKEN

D101

0DD221009AA

DIODE,RECTIFIERS

ERA22-10 KFLB,TP ,R T/P,FUJI

D102

0DD010009AC

DIODE

EU01W(R-FORM) TP SANKEN

D121

4811R-0043A

BRACKET ASSEMBLY

FMB-G24H_HEAT SINK

D122

4811R-0043A

BRACKET ASSEMBLY

FMB-G24H_HEAT SINK

D124

0DR104510AA

DIODE,RECTIFIERS

B10A45V1 BK KEC TO220 45V 10A

D125

0DR104009BA

DIODE,RECTIFIER

RL104F TP RECTRON NON 400V 1A

D126

0DR104009BA

DIODE,RECTIFIER

RL104F TP RECTRON NON 400V 1A

D127

0DR104009BA

DIODE,RECTIFIER

RL104F TP RECTRON NON 400V 1A

D128

0DR104009BA

DIODE,RECTIFIER

RL104F TP RECTRON NON 400V 1A

D129

0DRFC00091A

DIODE,RECTIFIERS

FFPF06U40STU FAIR CHILD ST TO2

D152

0DR104510AA

DIODE,RECTIFIERS

B10A45V1 BK KEC TO220 45V 10A

D153

0DR104510AA

DIODE,RECTIFIERS

B10A45V1 BK KEC TO220 45V 10A

F101

0FS1601B51B

FUSE,SLOW BLOW

1600MA 250 V 5.2X20 CY/GL KS /

F102

GIRH200000B

IC,ROHM

ICP-N20 T104 TP IC DETACT

FH01

586-008B

HOLDER

FUSE CLIP TP SINSUNG

FH02

586-008B

HOLDER

FUSE CLIP TP SINSUNG

IC101

4811R-0043H

BRACKET ASSEMBLY

KA1M0880B_HEAT SINK_NEW

IC102

6500RDB010A

SENSOR

PC123YN2 SHARP PHOTOCOUPLER

IC103

0IKE431000A

IC,KEC

KIA431 3 PIN TP

IC103

0ISS431000A

IC,SAMSUNG ELECTRONICS

KA431AZ (LM431AZ)

IC151

4811R-0043C

BRACKET ASSEMBLY

7824_HEAT SINK

IC152

0IPMGKE014A

IC,POWER MANAGEMENT

KIA7812API-CU KEC 3P TO-220(CU

IC153

0IPMGKE014A

IC,POWER MANAGEMENT

KIA7812API-CU KEC 3P TO-220(CU

L101

6200RLB007A

FILTER(CIRC),EMI

500UHX2 KWANGSUNG BULK DV-3500

L102

6200RLB006A

FILTER(CIRC),EMI

UU1620 KWANGSUNG BULK

L121

6140RCC009A

COIL,RF

BAR CHOKE COIL 2 PIN 10 UHCCAR

L122

633-088D

COIL,CHOKE

CHOCK ,20UH KWANGSUNG LEAD CU

L123

633-088G

COIL,CHOKE

CHOCK(22MH) 5MM TOKO TP

L125

0LR1000K035

INDUCTOR RADIAL LEAD

100M K 6X6 L5 TP

R100

0RD1504H632

RESISTOR,FIXED CARBON FILM

1.5M OHM 1/2 W 5.00% MF10

R101

0RD2202F608

RESISTOR,FIXED CARBON FILM

22K OHM 1/6 W 5% TA26

R102

0RD2202F608

RESISTOR,FIXED CARBON FILM

22K OHM 1/6 W 5% TA26

R103

0RS1003K619

RESISTOR,FIXED METAL OXIDE FIL

100K OHM 2 W 5.00% TR

R104

0RS1003K619

RESISTOR,FIXED METAL OXIDE FIL

100K OHM 2 W 5.00% TR

R105

0RD0222F608

RESISTOR,FIXED CARBON FILM

22 OHM 1/6 W 5% TA26

R121

0RD1800F608

RESISTOR,FIXED CARBON FILM

180 OHM 1/6 W 5% TA26

R122

0RD2201F608

RESISTOR,FIXED CARBON FILM

2.2K OHM 1/6 W 5% TA26

R123

0RD1001F608

RESISTOR,FIXED CARBON FILM

1K OHM 1/6 W 5% TA26

R124

0RN1801F408

RESISTOR,FIXED METAL FILM

1.8K OHM 1/6 W 1% TA26

R125

0RN3601F408

RESISTOR,FIXED METAL FILM

3.6K OHM 1/6 W 1.00% TA26

R126

0RD1200F608

RESISTOR,FIXED CARBON FILM

120 OHM 1/6 W 5% TA26

R127

0RD1003F608

RESISTOR,FIXED CARBON FILM

100K OHM 1/6 W 5% TA26

R128

0RD1003F608

RESISTOR,FIXED CARBON FILM

100K OHM 1/6 W 5% TA26

R153

0RD0332F608

RESISTOR,FIXED CARBON FILM

33 OHM 1/6 W 5% TA26

R154

0RD0332F608

RESISTOR,FIXED CARBON FILM

33 OHM 1/6 W 5% TA26

R155

0RD0332F608

RESISTOR,FIXED CARBON FILM

33 OHM 1/6 W 5% TA26

R161

0RD2200F608

RESISTOR,FIXED CARBON FILM

220 OHM 1/6 W 5% TA26

Summary of Contents for LSS-3200A

Page 1: ...SERVICE MANUAL MODEL LSS 3200A CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL LSS 3200A SERVICE MANUAL P NO 3829RVN006T AUGUST 2003 Printed in Korea ...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Page 3: ...MMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPECIFICATIONS 1 5 ...

Page 4: ...AYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Page 5: ... pan els 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 and semiconductor chip components The following techniques should be u...

Page 6: ...mponent Out 1 Phono Jack connector 1080i 720p 480p YPbPr S Video Output S Video Out 1 4 pin Mini DIN 480i Y C Video Output Video Out 2 Phono Jack connector 480i Composite NTSC Digital Audio Optical selectable Dolby Digital or PCM output Analog Audio Audio Out 2 Fixed Output Level Access Card Smart Card Slot on the back Authorized Service Port 9 pin Serial Port 1 Dimension 430mm W x 76 5mm H x 326 ...

Page 7: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Packing Accessory Section 2 3 ...

Page 8: ...2 2 EXPLODED VIEWS 1 Cabinet and Main Frame Section A47 260 A46 A49 A48 A42 A43 A50 280 452 452 A44 320 469 470 300 463 463 463 463 466 250 457 465 470 469 463 463 452 A 5 4 3 2 1 B C D ...

Page 9: ... Section 808 804 803 801 900 802 803 813 S VIDEO CABLE 825 DVI D CABLE 824 ANTENNA RF 806 RF CABLE 823 TELEPHONE LINE 820 PLUG ASS Y 3WAY PACKING SHEET PACKING BATTERY REMOCON BOX CARTONX OWNER S MANUAL PACKING OPTIONAL PARTS ...

Page 10: ...BLOCK DIAGRAM 3 51 2 DIRECTV BLOCK DIAGRAM SIGNAL FLOW 3 53 3 ATSC BLOCK DIAGRAM SIGNAL FLOW 3 55 4 NTSC BLOCK DIAGRAM SIGNAL FLOW 3 57 CIRCUIT DIAGRAM 3 59 1 POWER SMPS CIRCUIT DIAGRAM 3 59 2 CPU PPC405CR CIRCUIT DIAGRAM 3 61 3 CPU PERI RF REMOTE VCR CTRL CIRCUIT DIAGRAM 3 63 4 FRONTEND CIRCUIT DIAGRAM 3 65 5 HD2 SDRAM CIRCUIT DIAGRAM 3 67 6 DIRECTV HD STB CIRCUIT DIAGRAM 3 69 7 VDP I F DISPLAY O...

Page 11: ...m 2 1 1 RS 232C serial cable with male to female connector 3 Compressed application image of new version Ex rom pak First connect serial port of PC and RS 232 cable and execute terminal emulation program on PC In this Serial port configuration is set to 115200 baud 8 bit per character no parity and 1 stop bit And If IRD is plugged in AC WAIT appear and disappear on VFD and DOWNLOAD dis play and me...

Page 12: ...etCwpAddress In GetCapAddress CAM_Init CAM ID 0x1fde1032 In SetAddress Verifier version 180e In EnableCwpBuffer Buf 3f Successful initial verifier In EnableCwpBuffer Buf 3f tr 32 Figure 1 2 On the terminal Downloading a software upgrade please wait DO NOT unplug your receiver Downloading via calibration port 115200 8 n 1 Figure 1 3 On the TV or monitor Ethernet board was not connected Serial downl...

Page 13: ... that IRD transmit new file write in FLASH and then reboot xxxxxxx bytes received Serial binary download completed CRC check about downloaded image O K Expand the compressed image at 0x010d0000 Erasing FLASH sector 16 60 wait a minute 60 FLASH memory was erased successfully Programing FLASH memory wait a minute done Verifying FLASH memory with source data done FLASH memory was programmed successfu...

Page 14: ... D125 normal Replace the F101 Use the same Fuse Replace the BD101 Replace the TH01 Is the D102 normal Check or Replace the D102 Replace the D121 D122 Replace the D103 Replace the D124 Replace the D125 Replace the D129 NO VFD Is the F102 Normal Is the D128 Normal YES Is the ZD151 Normal YES Check or Replace the D127 Check or Replace the F102 NO Check or Replace the D128 NO Check or Replace the ZD15...

Page 15: ...3 6 YES YES NO 4 No 12VA Is there about 26V at the IC153 pin1 Is the IC153 Normal Is the ZD152 Normal YES Check or Replace the IC152 Check or Replace the D129 NO Replace the IC153 NO Replace the ZD152 ...

Page 16: ...is input from TU300 to IC402 403 3 6 10 13 Data is output from IC402 403 4 7 9 12 Logic High is input to IC401 402 403 1 Data is output from R424 Fig 01 YES 3 072MHz clock is output from R422 FIG 02 YES 48kHz clock is output from R421 Fig 03 Check the Power Supply Part Check Tuner Part Check IC201 36 Check IC402 403 Check or Replace the D102 ...

Page 17: ...3 8 Fig 01 Fig 02 Fig 03 ...

Page 18: ... to IC701 31 Data pulse is input to IC701 6 18 432MHz Clock is input to IC701 54 55 48kHz clock is input to IC701 4 YES Analog audio is output from IC701 28 29 Fig 04 Check Power Supply Part 10V is supplied to IC805 1 Check Power Supply Part NO Check X701 Check IC400 Check IC702 and surroundings NO Check IC702 and surroundings ...

Page 19: ...nd Surroundings 9V is supplied to IC702 8 Analog audio signal is output from IC702 1 7 Check Power Supply Part Check IC702 and surroundings 4 Check Output Jack and Surroundings Check Q702 Q703 Q704 Q705 JA600 and their surroundings ...

Page 20: ...3 11 2 NO DIRECTV AUDIO NO NO YES YES ATSC audio is OK IC401 1 IC402 1 and IC403 1 are Low Pulse is output from R805 and R806 Go back to symptom 1 Check IC201 36 NO Check IC800 and surroundings ...

Page 21: ...DIRECTV Audio are OK SIF signal is input to the Base of Q302 SIF signal is input to IC701 50 Fig 05 YES Analog audio signal is output from IC701 17 18 Go back to symptom 1 or 2 Check TU300 NO Check Q302 NO Check IC701 and surroundings Fig 05 ...

Page 22: ...dio are OK SPDIF pulse is output from R423 Fig 06 SPDIF pulse is output from IC704 4 YES 5V is supplied to JA701 2 YES Check JA701 and surroundings Go back to symptom 1 or 2 Check IC400 and surroundings NO Check IC704 and surroundings NO Check Power Supply Part Fig 06 ...

Page 23: ...io is OK YES Analog audio is output from IC701 25 26 YES YES 18 432MHz clock is output from IC701 57 Fig 07 Data pulse is output from IC701 5 Go back to symptom 1 or 2 Go back to symptom 4 NO Go back to symptom 3 NO NO NO Check IC701 Check IC701 Check IC701 Fig 07 18 432MHz clock output from IC701 57 ...

Page 24: ...SC DIRECTV Audio are OK ATSC DIRECTV NTSC SPDIF are OK Analog audio is output from IC701 18 YES Analog audio is output from the Emitter of Q701 YES Check TU360 Go back to symptom 1 or 2 Go back to symptom 4 or 5 NO Check IC701 NO Check IC701 ...

Page 25: ...line power peripheral parts NO Check the operation of LNBP20PD IC360 Check the connection between LNBP20PD and power line peripheral parts A The signal from satellite is detected using the split including DC block port and Spectrum Analyzer Tuner s error flag TU360 15 is operated normally using Oscilloscope High Error Low normal Check QPSK signals P360 DATA Fig 03 pin 1 3 5 7 9 11 13 15 packet clo...

Page 26: ... of menu Select sat A and odd transponder IC360 4 is 13 14V On the signal strength of menu Select sat A and even transponder IC960 5 is 18 19V On the signal strength of menu Select sat B and even or odd transponder The tone siganl acts properly in the IC360 4 Fig 01 End YES YES YES NO Check connection on the board and check IC360 5 LOW NO Check IC360 5 HIGH NO Check TU360 12 Fig 02 ...

Page 27: ...3 18 FIG 02 TU360 12 FIG 01 IC360 4 TONE signal FIG 05 P360 4 QPSK Byte Clock FIG 04 P360 8 QPSK Packet Clock FIG 03 P360 1 3 5 7 9 11 13 15 QPSK DATA ...

Page 28: ...n rear panel is RGB DVI side The emitter of Q500 is high volt IC500 11 is high volt END Change the switch to RGB DVI side Use other DVI cable or turn on the moni tor that is connected with DVI cable Change the DVI chip NO A NO Check IC500 57 IDCK 2 DE 4 HSYNC 5 VSYNC The IDCK_ clock shall be 27MHz Fig 01 NO Check IC500 57 IDCK 2 DE 4 HSYNC 5 VSYNC The IDCK_ clock shall be 74 25MHz Fig 02 Fig 03 an...

Page 29: ...20 FIG 03 DVI output at 1080i even field FIG 02 DVI output at 720p FIG 01 DVI output at 480p FIG 06 DVI output at 480i even field FIG 05 DVI output at 480i even field FIG 04 DVI output at 1080i odd field ...

Page 30: ... are OK at the time of power on reset Chip selection signals are OK IIC channels are OK Interrupt signals are OK Messages are output through RS 232C port on PC terminal END YES YES YES YES YES YES A Power check NO NO NO NO NO NO B Clock check C Reset check D CS check E IIC check F Interrupt check G RS 232C check ...

Page 31: ...14 and IC108 14 YES Power Supply Check IC954 3 2 5V NO NO Power Supply Check IC950 2 3 3V Power Supply Check IC950 2 3 3V NO YES B Clock check 25MHz clock is output from X101 3 Fig 01 37 5MHz clock is input to IC201 87 Fig 02 8MHz clock is input to IC210 2 Fig 03 YES Check X100 NO NO Check IC101 IC201 Check IC210 Fig 01 X101 3 25MHz CPU Clock ...

Page 32: ...3 23 Fig 02 IC201 87 37 5MHz PERI Clock Fig 03 IC210 2 8MHz MICOM Clock ...

Page 33: ...3 24 NO YES C Reset check IC107 3 is reset IC106 4 is reset Fig 04 IC201 29 56 61 64 65 75 are reset YES IC107 Check NO NO Check IC101 201 IC106 Check Fig 04 IC106 4 Reset signal ...

Page 34: ... is seen at R138 Fig 05 Logic low pulse is seen at R140 Logic low pulse is seen at R144 Logic low pulse is seen at R143 YES YES Check IC101 104 105 NO NO NO Check IC101 IC400 Check IC101 IC800 Check IC101 IC201 Fig 05 R138 1 Flash CS signal ...

Page 35: ...eck IIC SDA and SCL signals are output from IC800 D20 G16 Fig 06 Fig 07 IIC SCL and SDA signals are output from IC101 W17 U15 Check IC101 NO Check IC800 Fig 06 IC800 D20 5V IIC SDA signal Fig 07 IC800 G16 5V IIC SCL signal ...

Page 36: ...rrupt check Logic high is input to IC101 D18 Logic high is input to IC101 D20 Fig 08 Logic high is input to IC101 W20 YES Check IC100 IC400 NO NO Check IC100 IC800 Check IC100 CN201 7 Fig 08 IC101 D18 No Interrupt signal ...

Page 37: ...port setup is OK Baudrate Parity Data Bit Stop Bit IC204 11 is OK TxD signal Fig 09 IC204 12 is OK RxD signal Fig 10 Check IC101 IC204 NO NO Check IC101 IC204 Modify RS 232C port setup Fig 09 IC204 11 TxD signal Fig 10 IC204 12 RxD signal ...

Page 38: ... NO YES YES START No HV sync OUT Any problem in OSD Any problem in main picture YES DTV NTSC YES A NO NO B What is the main picture source DTV or NTSC C2 C1 Any problem in AV out Any problem in RF out END YES YES NO NO D E ...

Page 39: ...e Display Color select switch to RGB DVI side and check HV sync Any problem YES Check L400 1 8V IC950 2 3 3V NO YES Check IC605 5 and IC600 1 FIG 02 Check IC605 1 8 and X600 if there is sinusoidal 27MHz clock FIG 03 If HV sync exists in IC607 6 7 FIG 04 FIG 05 then check IC607 1 is low If not check IC201 52 NO ...

Page 40: ...3 31 FIG 01 VDP clock FIG 04 H sync signal FIG 03 Crystal 27MHz clock FIG 02 VCXO 27MHz clock FIG 05 V sync signal ...

Page 41: ...nalog component mute ON Jump to A flow Check analog buffers IC604 IC612 for composite S video out IC609 for component YPbPr IC610 for RGB analog No OSD is not a problem Check DVI output NO Check A5V L603 A 5V L604 are supplied ...

Page 42: ...eam Input Check IC401 402 403 FIG 06 Terr check VSB QAM tunner TU300 block DSS check TPN II IC800 block Check voltage of IC401 1 402 1 403 1 ATSC 3 3V DSS 0V Check signal strength If OK check system clock 27MHz ATSC IC600 9 DSS IC605 5 Check HD 2 chip Interrupt request signal R418 FIG 07 FIG 07 Interrupt Request Signal on R418 FIG 06 Input Stream to IC400 ...

Page 43: ...606 44 Reference clock oscillation X601 FIG 09 Pixel clock 13 5MHz continuous Clock in IC606 28 FIG 10 Hsync out 15 7KHz negative pulse in IC606 36 FIG 11 Vsync out 59 94Hz negative pulse in IC606 35 FIG 12 top Field ID 29 97Hz pulse in IC606 34 FIG 12 bottom IIC IC606 10 SCL 11 SDA FIG 08 CVBS signal from TU300 FIG 11 NTSC Decoder Hsync output FIG 12 NTSC Decoder Vsync output top Field ID bottom ...

Page 44: ...e voltage Must be low If not check IC201 pin 47 Check NTSC encoder pixel clock IC605 7 FIG 13 Check power IC604 8 IC612 8 5V IC604 4 IC612 4 5V Check composite FIG 14 top Input IC604 3 5 Output IC604 1 7 Check S video FIG 14 bottom Input IC612 3 5 Output IC612 1 7 FIG 13 27MHz NTSC encoder pixel clock FIG 14 Composite Output top and Y C output bottom ...

Page 45: ...cuits Q600 Q605 L601 Check chroma delay part D Change out to TV channel in Setup Menu Check modulator power TU301 3 Check modulator input signal TU301 8 FIG 15 Check modulator contorl signal Modulator On check TU301 7 high Channel select pin check CH3 TU301 5 high CH4 TU301 5 low FIG 15 RF modulator input composite signal ...

Page 46: ...tes normally The clock 2 operates normally The reset signal operates normally The clock 3 operates normally The CAM Board clock operates normally END YES YES YES YES YES YES Check IC800 E9 voltage 2 5V NO NO NO NO NO NO Check IC800 E7 voltage 3 3V Check IC800 W18 clock waveform See FIG 01 Check IC800 B10 clock waveform See FIG 02 Check IC800 Y19 voltage 3 3V Check X800 3 clock waveform See FIG 03 ...

Page 47: ...3 38 FIG 01 IC800 W18 Host I F Clock 37 5MHz FIG 02 IC800 B10 SDRAM Clock 108MHz FIG 03 X800 3 Smart Card Clock 36 864MHz FIG 04 CN800 9 CAM Board Clock 4 608MHz ...

Page 48: ... connecting phone line The modem part soldering is OK END YES YES YES YES YES Check IC901 4 voltage 3 3V NO NO NO NO NO Check IC901 2 clock waveform See FIG 05 Check IC901 3 clock waveform See FIG 06 Check IC901 5 voltage 3 3V Check IC901 6 voltage 3 3V Check the voltage between IC902 9 and IC902 3 about 3 6V range Check the voltage between JA901 3 and JA901 4 with connecting phone line about 48V ...

Page 49: ...3 40 FIG 05 IC901 2 Modem Chip Clock 4 9152MHz FIG 06 IC901 3 Modem PLL Out Clock 9 8MHz ...

Page 50: ...Error Check NIM Tuner TU300 s output signals of DATA Fig 01 pin 28 29 30 31 32 33 34 35 packet clock Fig 02 pin 27 and Byte clock pin 36 Fig 03 END YES High YES Check the power lines A9V D5V_ 2 D3 3V_ 2 P_ 30V_ TU referring the circuit diagram NO Low NO Check antenna connection Check the Voltage between L303 and Ground 5V normal 0 4V change Q300 Check the status of connection on PCB Change TU300 ...

Page 51: ...3 42 FIG 01 TU300 28 29 30 31 32 33 34 35 VSB QAM DATA Outputs FIG 02 TU300 27 VSB QAM DATA Packet Clock FIG 03 TU300 36 VSB QAM DATA Byte Clock ...

Page 52: ...zer What Voltage is between L303 and ground 5V NO 1V below YES Check NIM Tuner TU300 s output sig nal of VIDEO_ OUT pin 16 Fig 04 END YES YES YES Check the power lines A9V D5V_ 2 D3 3V_ 2 P_ 30V_ TU referring the circuit diagram NO NO NO Check antenna connection Change Q300 Change TU300 FIG 04 TU300 16 NTSC VIDEO OUT ...

Page 53: ...ied normally The clock 1 operates normally The signal 2 operates normally The signal 3 operates normally END YES YES YES YES Check IC100 13 IC100 43 IR100 2 voltage 5V NO NO NO NO Check Connector P101 3 P101 2 P101 1 voltage 28 24 21 5V Check IC100 5 clock waveform See FIG 01 Check IC100 8 clock waveform See FIG 02 Check IC100 42 clock waveform See FIG 03 ...

Page 54: ...3 45 FIG 03 IC100 42 VFD Chip Grid1 Pulse FIG 02 IC100 8 VFD Control Clock Signal FIG 01 IC100 5 VFD Chip Clock about 460KHz ...

Page 55: ...he IC 5V 3 3V powers are supplied normally The smart card is inserted The clock 1 operates normally END YES YES YES Refer the TP Demux Troubleshooting page NO NO NO Check IC100 6 voltage 5V Check IC100 21 voltage 3 3V Check IC100 10 voltage 3 1V Check IC100 15 clock waveform See FIG 01 FIG 01 IC100 15 Smart Card Clock 4 608MHz ...

Page 56: ...TCH Board 1 4V 2 4V 3 3V 4 GND 5 GND 6 6 5V 7 GND 8 12V 9 GND 10 30V 11 GND 12 24V 1 2 3 4 5 6 7 8 9 10 11 12 1 GND 2 5V 3 CF_STB 4 CF_CLK 5 CF_DATA 6 FC_DATA 7 FC_IRQ 8 F_RESET 1 2 3 4 5 6 7 8 1 FD 21 5V 2 FD 24V 3 28V 4 GND 5 GND 1 2 3 4 5 1 GND 2 PWR_KEY 1 2 AC120V 13 GND 13 14 8V 14 13 N C 13 3 ANODE 1 4 F_RESET 3 4 5 GND 5 ...

Page 57: ...eset KIA7029 74HC14 Clock Gen CY24206 4 NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3...

Page 58: ...RROR AMP IC103 2 6 19 18 16 13 8 10 Y CAP C110 Y CAP C111 17 20 21 22 FEED BACK BLOCK R121 R122 C120 R123 R124 R125 R126 RECTIFIER SMOOTING BLOCK D126 C129 RECTIFIER SMOOTING BLOCK D124 C124 L122 C126 RECTIFIER SMOOTING BLOCK D129 C134 RECTIFIER SMOOTING BLOCK D121 D122 C121 C122 L121 C123 12VA 30VA TO MAIN P101 BR BL BK WH C103 14 15 24V REG BLOCK IC151 C152 12V REG BLOCK IC152 IC153 ZD152 FD FD ...

Page 59: ...4 NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF ...

Page 60: ... NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF T...

Page 61: ... NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF T...

Page 62: ...itching Error IC102 IC103 are Defective No Digitron Displayed D128 F102 ZD151are Defective 29VA No Power D127 is Defective 30VA No Power D126 is Defective 12VA 24VA No Power D129 is Defective 6 5VA No Power D124 is Defective 24VA No Power IC151 is Defective 3 7VA No Power D121 D122 are Defective 8VA No Power D124 is Defective 12VA No power IC152 IC153 ZD152 is Defective SR12600E ...

Page 63: ...3 61 3 62 2 CPU PPC405CR CIRCUIT DIAGRAM ...

Page 64: ...3 63 3 64 3 CPU PERI RF REMOTE VCR CTRL CIRCUIT DIAGRAM ...

Page 65: ...3 65 3 66 4 FRONTEND CIRCUIT DIAGRAM ...

Page 66: ...3 67 3 68 5 HD2 SDRAM CIRCUIT DIAGRAM ...

Page 67: ...3 69 3 70 6 DIRECTV HD STB CIRCUIT DIAGRAM ...

Page 68: ...3 71 3 72 7 VDP I F DISPLAY OUTPUT CIRCUIT DIAGRAM ...

Page 69: ...3 73 3 74 8 NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM ...

Page 70: ...3 75 3 76 9 DIRECTV TP DEMUX CAS I F CIRCUIT DIAGRAM ...

Page 71: ...3 77 3 78 10 2400 BPS ISO MODEM CIRCUIT DIAGRAM ...

Page 72: ...3 79 3 80 11 POWER REGULATION CIRCUIT DIAGRAM ...

Page 73: ...3 81 3 82 12 CAM I F CIRCUIT DIAGRAM ...

Page 74: ...3 83 3 84 13 FRONT 2R VFD KEY SCAN CIRCUIT DIAGRAM ...

Page 75: ...3 85 3 86 14 FRONT POWER KEY CIRCUIT DIAGRAM ...

Page 76: ...3 87 3 88 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM LOCATION GUIDE ...

Page 77: ...3 89 3 90 2 DIGITAL MAIN P C BOARD TOP ...

Page 78: ...3 91 3 92 3 CAM P C BOAR BOTTOM 4 CAM P C BOAR TOP 5 POWER P C BOARD LOCATION GUIDE LOCATION GUIDE ...

Page 79: ...3 93 3 94 6 TIMER P C BOARD LOCATION GUIDE LOCATION GUIDE 7 KEY P C BOARD ...

Page 80: ... 3720R D088A PANEL VIDEO 457 353 046N SCREW DRAWING SPECIAL 3X8 BK PANEL ASSEMBLY FRONT A43 3501R 5051A BOARD ASSEMBLY 280 3721R F378A PANEL ASSEMBLY FRONT NORMAL PA NSP 452 353 051A SCREW SPECIAL A48 6871R 9265A PWB PCB ASSEMBLY TOTAL LSS 3210S 3200Z SMART CARD ASS A50 6871R 9259A PWB PCB ASSEMBLY TOTAL LSS 3210S TIMER A42 6874R 9259A PWB PCB ASSEMBLY KEY A49 6874R 9260A PWB PCB ASSEMBLY TIMER C1...

Page 81: ...33009AA DIODE SWITCHING 1SS133 DETECT SW TP D111 0DD133009AA DIODE SWITCHING 1SS133 DETECT SW TP FB100 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATECH R TP FB101 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATECH R TP FB102 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATECH R TP FB103 0LCCE00004X INDUCTOR CHIP HB 1M2012 601JT CERATECH R TP FB105 0LCCE00004X INDUCTOR CHIP HB 1M2012 601JT CERATEC...

Page 82: ...ING 51 OHM 1 10 W 1608 4P 5 R T AR403 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR404 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR405 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR800 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR801 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T BD901 0DR160009AC DIODE RECTIFIERS S1ZB60 TP SHINDENG...

Page 83: ...50V 10 B 5YP 1608 R TP C145 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C146 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C148 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C154 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C155 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 16...

Page 84: ...R CHIP CERAMIC M L TC 33P 50V J COG 1 6X0 8 R TP C274 0CH4330K412 CAPACITOR CHIP CERAMIC M L TC 33P 50V J COG 1 6X0 8 R TP C275 0CH4330K412 CAPACITOR CHIP CERAMIC M L TC 33P 50V J COG 1 6X0 8 R TP C276 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C300 0CH4270K412 CAPACITOR CHIP CERAMIC M L TC 27PF 50V J NP0 1608 R TP C301 0CH4270K412 CAPACITOR CHIP CERAMIC M L TC 27PF 50...

Page 85: ...P C405 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C407 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C408 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C409 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C411 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C412 0CH1104K...

Page 86: ...10 B 5YP 1608 R TP C470 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C471 0CH1103K562 CAPACITOR FIXED CERAMIC Temp c 0 01UF 50V 10 X7R X 1608 R T C472 0CH1103K562 CAPACITOR FIXED CERAMIC Temp c 0 01UF 50V 10 X7R X 1608 R T C473 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C474 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R...

Page 87: ...V 10 B 5YP 1608 R TP C600 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C602 0CH4470K412 CAPA CHIP CERAMIC M L T C F S 47P 50V J COG 1 6X0 8 R TP C603 0CH4470K412 CAPA CHIP CERAMIC M L T C F S 47P 50V J COG 1 6X0 8 R TP C604 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C605 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C606 0CH...

Page 88: ...0P 50V J COG 1 6X0 8 R TP C710 0CH4101K412 CHIP CAPA CERAMIC M L T C F S 100P 50V J COG 1 6X0 8 R TP C711 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C712 0CH1222K562 CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C713 0CH1222K562 CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608 R TP C714 0CH1222K562 CAPACITOR CHIP CERAMIC M L HD 2200PF 50V K X7R X 1608...

Page 89: ...F 50V 10 B 5YP 1608 R TP C831 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C832 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C833 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C834 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C835 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP ...

Page 90: ... M 85STD CYL R TP C965 0CH8107F611 CAPACITOR CHIP AL ELECTROLYTI 100UF 16V M 85STD CYL R TP C966 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C967 0CH8107F611 CAPACITOR CHIP AL ELECTROLYTI 100UF 16V M 85STD CYL R TP C968 0CH8107F611 CAPACITOR CHIP AL ELECTROLYTI 100UF 16V M 85STD CYL R TP C969 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C970 0...

Page 91: ...ALS MAX232DR TEXAS INSTRUMENT 16PI IC204 0IMX232162A IC MAXIM MAX232ACSE 16NARROW SO RS232 IC205 0IID741632A IC IDT 74FCT163244CPA 48P SOP TP 16BI IC206 0IID741632B IC IDT IDT74FCT163245CPA 48P TSSOP R IC207 0IID741632B IC IDT IDT74FCT163245CPA 48P TSSOP R IC208 0TFFC80001A TRANSISTOR FETS FAIRCHILD NDC7002N R TP SOT 6 IC210 0IMCRSS034B IC MICRO CONTROLLER S3C80B5XA7 SMT5 SAMSUNG ELECTR IC301 0IST...

Page 92: ...3 JA600 6612JH003DA JACK RCA RCA 907A 01G YUQIU DIRECTV JA601 6612BBBHN5A JACK DIN SCN556S4GTTB000 S VIDEO HYUSUN JA701 6612K00003B JACK FIBER OPTIC PLT131 T5 12 12MBPS EVERLIGHT JA901 6612E00008A JACK MODULAR 623PU 6 FS B ARIN TECH SKYLIFE L101 6140RF0005X INDUCTOR CHIP 6 8UH NLC322522T 6R8M TDK R T L200 635 009J COIL CHIP 22UH NLC322522T 220J TDK L300 6140RF0005X INDUCTOR CHIP 6 8UH NLC322522T 6...

Page 93: ...TAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R103 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R104 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R105 0RH0332C622 RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R107 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R108 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R109 0RH...

Page 94: ...IP 430 OHM 1 16 W 5 1608 R TP R1626 0RH0332C622 RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R1627 0RH0272C622 RESISTOR METAL GLAZED CHIP 27 OHM 1 16 W 1608 5 00 D R1628 0RJ4300C677 RESISTOR METAL GLAZED CHIP 430 OHM 1 16 W 5 1608 R TP R1629 0RJ4300C677 RESISTOR METAL GLAZED CHIP 430 OHM 1 16 W 5 1608 R TP R163 0RH2701C622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 16 W 1608 5 00 D R1630 0RH027...

Page 95: ...W 1608 5 00 D R208 0RH2701C622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 16 W 1608 5 00 D R209 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R210 0RH2701C622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 16 W 1608 5 00 D R211 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R214 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R215 0RH2200C622 RESISTOR ...

Page 96: ...P 100 OHM 1 16 W 1608 5 00 D R302 0RH1200C622 RESISTOR METAL GLAZED CHIP 120 OHM 1 16 W 1608 5 00 D R303 0RH0472C622 RESISTOR METAL GLAZED CHIP 47 OHM 1 16 W 1608 5 00 D R304 0RH0472C622 RESISTOR METAL GLAZED CHIP 47 OHM 1 16 W 1608 5 00 D R305 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R306 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R307 0RH0472C622 R...

Page 97: ...HM 1 16 W 1608 5 00 D R606 0RH0682C622 RESISTOR METAL GLAZED CHIP 68 OHM 1 16 W 1608 5 00 D R607 0RH0682C622 RESISTOR METAL GLAZED CHIP 68 OHM 1 16 W 1608 5 00 D R608 0RH0472C622 RESISTOR METAL GLAZED CHIP 47 OHM 1 16 W 1608 5 00 D R611 0RH0682C622 RESISTOR METAL GLAZED CHIP 68 OHM 1 16 W 1608 5 00 D R612 0RH0682C622 RESISTOR METAL GLAZED CHIP 68 OHM 1 16 W 1608 5 00 D R613 0RH0682C622 RESISTOR ME...

Page 98: ...150 OHM 1 16 W 1608 5 00 D R672 0RH2200C622 RESISTOR METAL GLAZED CHIP 220 OHM 1 16 W 1608 5 00 D R673 0RH2200C622 RESISTOR METAL GLAZED CHIP 220 OHM 1 16 W 1608 5 00 D R674 0RH2200C622 RESISTOR METAL GLAZED CHIP 220 OHM 1 16 W 1608 5 00 D R675 0RH2200C622 RESISTOR METAL GLAZED CHIP 220 OHM 1 16 W 1608 5 00 D R677 0RH7502C622 RESISTOR METAL GLAZED CHIP 75K OHM 1 16 W 1608 5 00 D R678 0RH0000C622 R...

Page 99: ... 5 00 D R823 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R824 0RH0332C622 RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R825 0RH0332C622 RESISTOR METAL GLAZED CHIP 33 OHM 1 16 W 1608 5 00 D R868 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R902 0RJ4020D477 RESISTOR METAL GLAZED CHIP 402 OHM 1 10 W 1 1608 R TP R905 0RJ1003D477 RESISTOR METAL GLAZED CH...

Page 100: ...P ATSC NTSC NIM US LG TU301 6704R M001A MODULATOR TASC H001F LG NTSC W PLL VET TU360 6700NB0008A TUNER TBMU24111IMB QPSK SD DIGITAL X101 6204A42500C OSCILLATOR BXO 210 BUBANG 25MHZ 50 PP X200 6212AB2800C RESONATOR CRYSTAL HC 49 SM BUBANG 8MHZ 50 PP X600 6212AB2270D RESONATOR CRYSTAL SX 1 SUNNY 27MHZ 20 PPM 14 X601 6212AB2010A RESONATOR CRYSTAL SX 1 SUNNY 20 25MHZ 30 PPM X701 6212AB2008A RESONATOR ...

Page 101: ...SOR PC123YN2 SHARP PHOTOCOUPLER IC103 0IKE431000A IC KEC KIA431 3 PIN TP IC103 0ISS431000A IC SAMSUNG ELECTRONICS KA431AZ LM431AZ IC151 4811R 0043C BRACKET ASSEMBLY 7824_HEAT SINK IC152 0IPMGKE014A IC POWER MANAGEMENT KIA7812API CU KEC 3P TO 220 CU IC153 0IPMGKE014A IC POWER MANAGEMENT KIA7812API CU KEC 3P TO 220 CU L101 6200RLB007A FILTER CIRC EMI 500UHX2 KWANGSUNG BULK DV 3500 L102 6200RLB006A F...

Page 102: ...3534 SOOJUNG LSS 3200A 3210 TH01 6322B62204A THERMISTOR PTC NTPAN4R0LDRB0 MURATA 4 0OHM 15 V101 656 004C VARISTOR DRAWING SVC681D 10A SAMHWA 4 O CUT ZD151 0DZ330009BF DIODE ZENER GDZJ3 3B TP GRANDE DO34 0 5W 3 ZD151 0DZ330009CD DIODE ZENER MTZJ3 3B TP ROHM K DO34 0 5W 3 ZD151 0DZ337729AA DIODE ZENERS MTZ3 3B T 77 26MMTP TP ROHM ZD151 0DZ332609FA DIODE ZENER UZ 3 3BSB 26MM TP PYUNG CHANG ZD153 0DZ7...

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