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June,  2000

P/NO : 3828VD0066S

Printed in Korea

Содержание LN-15A10

Страница 1: ...LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NF 99LA MODEL LN 15A10 ...

Страница 2: ... 2 CONTENTS Contents 2 Safety Precautions 3 Servicing Precautions 4 Adjustment Instruction 6 Troubleshooting 8 Exploded View 10 Exploded View Parts List 11 Replacement Parts List 12 SVC Sheet ...

Страница 3: ...perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of...

Страница 4: ...s are integrated circuits and some fieldeffect transistors and semicounductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electostatic charge on your body by touching a known earth ground Alter...

Страница 5: ...the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the ...

Страница 6: ...should be performed in a darkroom or in the simmilar condition 3 1 3 Low Light Adjustment 1 Seletc Ch 13 in the company 2 Enter into the adjustment mode with the ADJ button 3 Select the Sub bright and stop adjusting at the moment when Gray 0 and 1 aren t distinguished 4 PC Input Mode Adjustment 4 1 Required Test Equipment 1 A pattern generator being in proportion to VG819 Pattern of 64 tones 2 A r...

Страница 7: ... 449 400 49 2 POS 34 13 SVGA 56 1024 800 224 72 POS 128 24 35 156 36 0 625 600 25 2 POS 22 1 SVGA 60 1056 800 256 128 POS 88 40 37 879 40 0 628 600 28 4 POS 23 1 SVGA 72 1040 800 240 120 POS 64 56 48 077 50 0 666 600 66 6 POS 23 37 Mode H_Total H_Display H_Blanking H_Sync H Polarity H_Bp H_Fp H Freq KHz Clk MHz V_Total V_Display V_Blanking V_Sync V Polarity V_Bp V_Fp SVGA 75 1056 800 256 80 POS 16...

Страница 8: ...d repair the IC806 SI4925 P501 and Pin 41 connector 1 Check and fix P501 connector being slipped out 2 Check and fix the components at P501 LCD module and at main board 3 Check Pin41 and check and repair rubber packing Cracked components and 1 Check and repair tuner board and main board soldering at tuner board 2 Solder Q301 Q801 and R810 4 Dark screen 1 Defective LCD lamp 1 Replace the inverter 2...

Страница 9: ...MEMO 9 ...

Страница 10: ... 10 EXPLODED VIEW 300 120 121 174 112 550 540 500 521 400 541 430 440 420 310 JA401 JA402 A3 410 JA701 ...

Страница 11: ... ASSY 420 4950V00006A METAL STAND SECC 430 4930V00103B HOLDER STAND 440 3550V00081A BASE COVER 500 6871VMM363C PCB ASSY MAIN NF99LA US 521 4950V00009A FRAME ASSY REAR METAL 540 6633VA0003A INVERTER ASSY 12VOLT 500VOLT 541 4814V00143B CASE INVERTER SHIELD 550 6871VSM480A PCB ASSY CTL NF99LA LN 15A1 A3 6634VBW002C ADAPTER AC DC AC110VOLT DC12VOLT UL CSA JAPAN JA401 6613V00008D JACK ASSY PMJ014D E P ...

Страница 12: ... 1BTT11 CHIP TP ROHM ZENER DTZ5 1BTT11 CHIP TP ROHM ZENER DTZ5 1BTT11 CHIP TP ROHM ZENER DTZ5 1BTT11 CHIP TP ROHM ZENER DTZ5 1BTT11 CHIP TP ROHM LOCA NO PART NO DESCRIPTION IC101 IC102 IC104 IC105 IC301 IC401 IC402 IC501 IC502 IC601 IC602 IC603 IC604 IC605 IC606 IC607 IC608 IC701 IC702 IC801 IC808 IC901 IC503 IC802 IC803 IC804 IC805 IC806 IC807 Q100 Q101 Q102 Q301 Q302 Q303 Q304 Q501 Q601 Q602 Q70...

Страница 13: ...1 L602 L603 L801 L804 L806 L900 L901 LA501 LA502 LA503 LA504 LA505 LA506 L101 L701 L802 L803 L805 L902 0CE1074F618 0CE1063F618 0CE1063F618 0CE1063F618 0CE1053K616 0CE1053K616 0CE1053K616 0CE1053K616 131 096K 6613V00008D 6613V00004J 6612VAH001B 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001E 6210TCE001G 6210TCE001E 6210TCE001E 6210TCE001A 6210TCE001E 6210TCE001G 6210TCE001E ...

Страница 14: ... 100 OH MNR 14 E0A J 101 R OHM 100 OH MNR 14 E0A J 101 R OHM 100 OH MNR 14 E0A J 101 R OHM 100 OH MNR 14 E0A J 101 R OHM 100 OH CRYSTAL HC49U RADIAL 8 000MHZ 30 CRYSTAL HC49U RADIAL 18 432MHZ 30P CRYSTAL HC49U RADIAL 20 250MHZ 3 CONNECTOR 68114 1522 MOLEX KOR 15PIN LED DL 11S2GN1 OPTO PRE AMP TSOP4838ON1 TEMIC 38 0KHZ HOLD BUZZER PKM13EPY 4002 MURATA 4000HZ 70 TUNER TAUG H006P LG PRECISION CO L OS...

Страница 15: ... 12 June 2000 P NO 3828VD0066S Printed in Korea ...

Страница 16: ...A L LCD 6 bits Video Decorder VPC3230D Video Scaler AL300 Computer Signal D Sub R G B H V D R G B H V Sync Den Clock From Computer EPROM For OSD CVBS Audio Amp TDA7052A R Ext R SIF For MNT Application LM151X2 1H 1V A to D Converter AD9884 For MNT Application For PC Input Contrast Brightness Color Ext_Video Ext_Y C OSD FB R G B DVD Y Pb Pr For TV Contrast Brightness Color Tint CVBS For Caption ...

Страница 17: ...VIDEO AUDIO Y C ...

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