LG RT-25/29FB30R/V/VX Скачать руководство пользователя страница 33 | Manualshive

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SVC. SHEET : 3854VA0098A-S

SVC. SHEET :

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Содержание RT-25/29FB30R/V/VX

Страница 1: ...N BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 022A MODEL RT 25 29FB30R V VX website http biz LGservice com e mail http www LGEservice com techsup html Feb 2003 Printed in Korea P NO 3828VD0118U ...

Страница 2: ...ty Precautions 3 Specifications 4 Control Descriptions 5 Disassembly Instructions 8 Adjustment Instructions 9 Block Diagram 16 T rouble Shooting 18 Exploded View 22 Exploded View Parts List 23 Replacement Parts List 24 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: ...me memory 200 Programme memory W O TXT Model O Antenna input impedance VHF UHF 75 ohm unbalanced O Voice coil impedance 8 ohm O External In Output Audio In 0 5Vrms 3db over 10Kohm Audio Out 0 5Vrms 3db below 1Kohm Video In Out 1Vp p 3db 75ohm R G B In 0 7Vp p 3db O Feature Funtion Teletext TOP FLOF LIST AV Input Side or Front 1 Rear 2 Component Input Rear Opt PERI TV Connector AV Input SCART Opt R...

Страница 5: ...u settings 6 VCR BUTTONS option control a LG video cassette recorder 7 SSM Sound Status Memory recalls your preferred sound setting 8 I II option selects the language during dual language broadcast option selects the sound output 9 PSM Picture Status Memory recalls your preferred picture setting 10 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext sec...

Страница 6: ...ub pictures COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Battery installation The remote control handset is powered by two AA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from p...

Страница 7: ...e others they ll be not able to function 7 TV AV selects TV or AV mode clears the menu from the screen switches the set on from standby Front panel ON OFF MENU OK VOL PR CF CT 25 29Q20 series S VIDEO VIDEO L MONO R AUDIO AV3 11 12 S VIDEO VIDEO L MONO AUDIO AV3 R L 11 12 1 34 2 6 10 5 ON OFF MENU OK VOL PR AV3 VIDEO L MONO AUDIO R CF CT 25 29H30 series 1 2 6 34 5 12 10 MENU OK VOL ON OFF PR VIDEO ...

Страница 8: ...al 1 Pull out the CPT board from the CPT neck 2 Place the front cabinet on soft material not to mar the front surface or damage control knobs 3 Remove 4 screws securing the picture tube mounting brackets to the front cabinet 4 Carefully separate CPT from the front cabinet PICTURE TUBE HANDLING CAUTION Due to high vacuum and large surface area of picture tube great care must be exercised when handl...

Страница 9: ... upper Focus volume of FBT for the best focus of area A 3 Repeat above step 1 and 2 for the best overall focus 5 Screen Voltage White Balance Adjustment 5 1 Adjustment of screen manually Using ADJ Remote Control 1 Receive the PAL or SECAM NTSC signal into RF mode regardless of channel 2 If you press the ADJ button in LINE SVC mode IN START button the LINE SVC mode changes to screen adjustment mode...

Страница 10: ...4 3 PAL 16 9 PAL ZOOM NTSC 4 3 NTSC 16 9 NTSC ZOOM 3 After finishing deflection adjustment press the ENTER button to enter or exit in SVC mode VL Vertical Linearity Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT VA Vertical Amplitude Adjust so that the circle of a digital circle pattern may be located within the effective scre...

Страница 11: ...B4 0840 0840 0000B 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 08E0 0790 08E0 ITEM RANGE Z50Hz N50Hz W50Hz VA VL SC VS HS EW ET EP ES EC PIP P 11 0 0 0 0 0 0 14 0 0 0 22 3 0 0 0 22 0 19 0 0 0 009A 00F3 00D0 0774 0019 0B96 07DE 07BF 085C 082B 0007 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 08E0 07...

Страница 12: ...aration for Adjustment 1 This decides funtion in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION 1 2 3 4 mode 2 Mark the option adjustment data like 111 11 111 11 in BOM 8 2 Adjustment Method 1 Input data directly by the buttons corresponded with OPTION1 0 255 OPTION2 0 255 OPTION3 0 127 OPTION 4 0 255 2 Select each OPTION funct...

Страница 13: ...n SAVE DUAL SOUND Condition PHONE JACK SCART JACK NORMAL VOLUME CURVE RUSHED VOLUME CURVE Without DVD INPUT With DVD INPUT Without HOTEL OPTION With HOTEL OPTION MAX VOLUME TXT Model W O TXT Model 1 PIP or W O PIP 2 PIP CE RE MODEL CL RL MODEL CT RT MODEL 1 TUNER Model 2 PIP only 1 TUNER Model 2 PIP only PAL model ALL PIP SYS TBS WOOF AV2 MONO GAME Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 Funct...

Страница 14: ... Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 7 E Ger Fr Ita Spain Holand Port EU NORTH E Ger Fr Holand Swe Nor Den Fin Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 5 E Ger Fr Ita Spain English Only Eng Vietnam E Vietnam Hindi E Hindi China E China Eng Spain Port Sp...

Страница 15: ...nglish WEST EU EAST EU Turkey Cyrillic3 Arab English WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 Arab English Farsi English Farsi only 3834 only W TXT Arab Asia 3834 only W TXT WEST EU 3834 only W TXT EAST EU 3834 only W TXT 28 WIDE FLAT 3834 only W TXT OPTION TXT L ...

Страница 16: ...orizontal Deflection TO TO Cathode Cathode 0f 0f CPT CPT AT24C16 EEPROM I I 2 2 C Bus C Bus Tilt Control Tilt Tilt Controller TO TO TILT TILT COIL COIL VCT 3801 3804 3834 Main Control Processor MSP 34xxG Sound Processor TDA 6109 6107 JF R G B AMP R G B W O PIP CVBS H Out V Sinc Protect H H DY DY FBT FBT H Sinc V V DY DY VA H Out V Out TDA 7297 7266 Sound Amp TDA 2066 Mono Opt W O PIP AV1 2 3 Y C V...

Страница 17: ...TDA6109 MSP 34XX Sound Processor 7805 Tuner Main VCT3834 LD3 3V TDA 2006 Mono Opt SDA 9489X PIP Processor CXA 2040AQ Video Switch EYE Opt Tilt Opt STK396 110 VM IC 12V SMPS TRANS ST BY TRANS ST 5V 12V 9V 5V PIP AV SW OPT 7805 LD3 3V 5V Tuner Sub Relay VM 200V FBT LA 7845 V AMP 14V FBT EW AMP 28V FBT T803 T802 IC01 IC661 IC602 ICP01 ICP101 IC901 HIC920 ...

Страница 18: ... NO NO NO Check The Voltage At pin 16 33 46 of IC661 Check Replace Q671 672 Check Replace Q621 IC603 Check Replace F851 D862 Check Replace IC610 IC853 Check The voltage At pin of IC610 IC853 NO OK OK OK OK OK OK NO No Raster Sound OK Check the Heater voltage of CPT 6 6 5Vrms Check HV Screen Voltage of CPT Check IK Current of IC01 pin37 39 40 Check the Heater pulse of FBT T402 Check Replace CPT Boa...

Страница 19: ...C01 H Out Check Q402 Collector waveform Check T401 each pin voltage Check Replace T402 Is the voltage at pin3 15 45 IC02 5V Check the In out of IC855 IC851 Check the In out of IC06 IC07 Check IC01 Pin1 high Check Replace IC01 Check Replace IC01 Check Replace Q402 Check Replace T401 Check Replace IC01 IC03 Check the Voltage at D860 or D858 cathode Check Replace F853 F855 Normal Abnormal Ok 254 380 ...

Страница 20: ... IIC Bus Line Of Tuner Is the CVBS signal OK IC01 pin10 or 22 Check R G B signal At IC01 pin42 43 44 Check Replace CPT Board component Go to No Sound Picture OK Check IC01 pin37 42 43 44 IK R G B Check Replace IC01 Check 5V 33V IIC Bus Line Check Replace IC01 Tuner Check CVBS signal Line IC01 Check IK Signal at IC01 pin37 similar to CBVS No No No No No OK OK OK OK OK OK OK OK ...

Страница 21: ...he waveform At pin 24 25 of IC661 Check waveform At pin 4 12 of IC602 Check the voltage At pin6 7 of IC602 Check the waveform At pin 1 2 14 15 of IC602 Check the voltage Of pin16 20 Check Replace IC602 Check Replace Q621 IC603 Check the vpltage At pin3 13 of IC602 Replace IC 602 Check Replace F851 D862 OK AV OK OK OK OK OK OK NO NO NO NO NO NO OK ...

Страница 22: ... 22 112 913 150 153 510 170 943 400 310 121 120 320 300 330 P801 530 520 104 EXPLODED VIEW ...

Страница 23: ...INET ASSY C SKD STEREO MC022A 310 5020V00652B 5020V00652B BUTTON CONTROL 320 320 062E 320 062E SPRING KNOB 330 5020V00653B 5020V00653B BUTTON POWER 400 3809V00315A 3809V00298E BACK COVER ASSY 2PHONE 3809V00298B BACK COVER ASSY 2PHONE 40AF LGEAP 3809V00298F BACK COVER ASSY C SKD 2PHONE 3809V00298G BACK COVER ASSY 1SCART 1PH 510 6871VSMB26D 6871VSMB26C PWB ASSY CPT 022A CPT VM 520 6871VMMB72K 6871VM...

Страница 24: ...C102M TP KRC1202 KEC TR KTA1270 TP Y KTA562TM KEC TR BF421L AMMO TO 92 TP PHILIPS TR KRC102M TP KRC1202 KEC LOCA NO PART NO DESCRIPTION HIC920 IC01 IC03 IC06 IC07 IC09 IC301 IC602 IC302 IC603 IC610 IC661 IC662 IC801 IC802 IC803 IC851 IC853 IC855 IC856 IC901 D110 D180 D181 D301 D302 D401 D402 D403 D404 D405 D406 D408 D505 D506 D802 D803 D804 D815 D857 D858 D860 D861 D862 D863 D864 D865 0IZZVF0018A ...

Страница 25: ... C302 C303 C304 C305 C306 C308 C309 C310 C311 C401 C402 C403 C405 25 C406 C407 C408 C409 C410 C411 25 C413 C415 C416 C419 C420 C422 C501 C502 C503 C504 C505 C506 C508 C509 C511 C512 C513 C514 C515 C516 0CE226DF618 0CN2210K519 0CN2210K519 0CN2210K519 0CE106DF618 0CN2210K519 0CN4710K519 0CN4710K519 0CN4710K519 0CN4710K519 0CQ1031N509 0CQ3341N401 0CE107BK618 0CQ6821N509 0CQ1021N509 0CQ3331N509 0CE476...

Страница 26: ...OCA NO PART NO DESCRIPTION C814 C815 C816 C818 C821 C822 C840 C854 C855 25 C857 C858 C860 C861 C862 C864 C865 C867 C868 C871 C872 C873 C874 C880 C901 C902 C903 C904 C920 C921 C922 C923 C924 C925 C926 C927 C928 C929 C930 J134 J225 J347 L01 L04 L05 L08 L103 L121 L210 L211 0CQZVBK002A 181 091C 0CK10201515 181 120K 0CK47201510 0CE226DD618 0CN1010K519 0CE107DF618 0CE107DD618 0CE4707DD618 0CE108BF618 0C...

Страница 27: ...NO DESCRIPTION FR403 FR406 FR413 FR901 25 J128 J137 J149 J151 J163 J167 J170 J175 J192 J207 J210 J215 J216 J317 J318 R01 R02 R06 R07 R08 R09 R10 R11 R18 R24 R43 R44 R45 R46 R47 R48 R49 R50 R51 R90 R94 R95 R102 R119 R126 R127 R128 R129 R130 R131 R132 R133 0RP0050H709 0RF0121K607 0RP0050H709 0RF0121K607 0RF0101K607 0RD1002F609 0RD1000F609 0RD1000F609 0RD1800F609 0RD1000F609 0RD1000F609 0RD1000F609 0...

Страница 28: ...A NO PART NO DESCRIPTION R325 R326 R327 R328 R330 R331 R402 R403 R404 R405 R408 R409 R410 R411 R413 R414 R415 R416 R417 R419 R420 R509 R512 R517 R519 R523 R525 R526 R528 R531 R532 R533 R534 R537 R541 R542 R543 R544 R545 25 R546 R548 R549 25 R550 R552 R553 25 R554 R556 R557 R558 0RS2701H609 0RS1501H609 0RS1501H609 0RN8201F609 0RD3001F609 0RD2401F609 0RD1001F609 0RD5600H609 0RD0332H609 0RS1000K619 0...

Страница 29: ...1 6 W 5 00 TA52 240 OHM 1 6 W 5 00 TA52 220K OHM 1 2 W 5 00 TA52 4 7K OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 470 OHM 1 6 W 5 00 TA52 7 5K OHM 1 6 W 5 00 TA52 LOCA NO PART NO DESCRIPTION 0RD1000F609 0RD1000F609 0RD1000F609 0RCZVTA002D 0RCZVTA002D 0RCZVTA002D 0RD2204H609 0RD4701F609 0RD1000F609 0RD0622F609 0RS0102J607 0RS3300J607 0RS4300J607 0RS68...

Страница 30: ...SK901 TH801 TU101 VD801 6620VBC003A 163 058D 6700MF0001E 164 003K SOCKET CIRC CPT PCS030A 8PIN 14 360 THERMISTOR 03 07MX 7 OHM 20 80 60 TUNER TAFD Z242D LG MULTI FS 4SYS DI VARISTOR SVC621D 14A 620V 0 UL C LOCA NO PART NO DESCRIPTION ...

Страница 31: ...D4 J236 D4 J237 D5 J238 D2 J239 F5 J240 D4 J241 D4 J242 D1 J244 D2 J245 D1 J246 D1 J247 D4 J248 D4 J249 D5 J250 D5 J251 D5 J252 D3 J253 E4 J254 E5 J255 E4 J256 E4 J257 E3 J258 E2 J259 E5 J260 E4 J261 E4 J262 E4 J263 E3 J264 E3 J265 E1 J266 E5 J267 E5 J268 E2 J269 F1 J270 E4 J271 F2 J272 F5 J273 F4 J274 F5 J275 F1 J276 F1 J277 F3 J278 F4 J279 G2 J280 G2 J281 F3 J282 G1 J283 G3 J284 G1 J285 F4 J286 ...

Страница 32: ...P NO 3854VA0098A S 1 2 2002 03 25 ...

Страница 33: ...SVC SHEET 3854V A0098A S SVC SHEET ...

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