LG 21FU1RLX Скачать руководство пользователя страница 16 | Manualshive

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LG 21FU1RLX Скачать руководство пользователя страница 16

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4) No Picture/ No Sound

Is any OSD displayed?

OK

NO

NO

OK

OK

NO

NO

OK

OK

NO

OK

OK

OK

P904A (R, G, B out
of IC501)

P904A (R, G, B out
of IC11)

Replace IC11

Check pin8, 12 SCL,
SDA

Check IC12(EEPROM)
& SCL, SDA, Line

Check pin3 Reset
Voltage

Check IC11 pin 83,
84, 85 (R, G, B out)

Check SMPS Trans
Secondary Voltage

Go to No sound/
picture OK

Check the waveform
pin73(H-out)

Check IC11 pin 83,
84, 85 (R, G, B out)

Check receiving system in MENU
& execute Auto - Program

Does the auto - Program
operate properly

Store on manual -program MENU

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Содержание 21FU1RLX

Страница 1: ...RVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL website http biz lgservice com Feb 2007 Printed in China P NO MFL31616425 CHASSIS CW62B MODEL 21FU1RLX MODEL 21FU1RLX ZV ...

Страница 2: ...cautions 3 Control Descriptions 4 Specifications 7 Adjustment Instructions 8 SVC Remocon 13 Trouble Shooting 14 Printed circuit board 17 Block Diagram 19 Exploded View 20 Exploded View Parts List 21 Replacement Parts List 22 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 position connect one lead of ...

Страница 4: ...rogrammes automatically F G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 5 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 6 SLEEP sets the sleep timer 7 PIP BUTTONS option PIP switches the sub picture on or off PR selects a programme for the sub picture SWAP alternates betwee...

Страница 5: ...language during dual language broadcast selects the sound output option 13 Q VIEW or SWAP returns to the previously viewed programme 14 LIST or INPUT displays the programme table No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Without TELETEXT PIP 1 2 3 4 5 6 7 8 9 0 PR PR VOL VOL OK With PIP Without TELETEXT 1 2 3 4 5 6 7 8 9 0 PR PR VOL VOL...

Страница 6: ...e others they won t be able to function 4 MENU option selects a menu 5 OK option accepts your selection or displays the current mode F F G G Volume Up Down option adjusts the volume adjusts menu settings D D E E Programme Up Down option selects a programme or a menu item switches the set on from standby Note Shown is a simplified representation of front or side panel What is shown here may be some...

Страница 7: ...z Middle East Africa AC 230V 50 60Hz EU CIS 4 Follow each drawing or spec for spec and performance of parts based upon P N of B O M 5 Warm up TV set for more than 20min before the measurement No 1 2 3 4 5 6 7 8 Item Receiving System Available Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark EU Non EU OPTION Non EU EU NTSC M Non EU EU PAL 200 P...

Страница 8: ...e the signal of red raster 3 Unfasten DY and push DY to FUNNEL direction 4 Make R Land be centered as cross Purity Magnet That time 4 6 pole magnet should keep free gauss status 5 Make uniform RED Raster as moving DY Check there is purity problem or not on R G B white Raster Then fix screw of DY At this time be careful about inclination and DY should be fixed keeping horizontality 6 Check the TV s...

Страница 9: ...ent model so please refer to the model adjust TABLE 7 Deflection setting Data Adjustment 7 1 Adjustment preparation 1 TV set to receive an Digital pattern PAL E5ch NTSC US 12 2 Deflection data setting used remote 3 press the LINE SVC MODE IN START KEY into SERVICE MENU Choice SERVICE2 to adjustment mode 4 Press CH CH KEY chooice adjust item 5 Press VOL VOL KEY increase or decrease DATA 7 2 Adjustm...

Страница 10: ...ing 13 V SCROLL Adjust the center vertical line of the geometrical with the CPT center vertical line same 14 V ZOOM fixed VERTICAL ZOOM 15 WBR fixed Timing of wide Blanking 16 WBF fixed Timing of wide Blanking 17 V SYNSLI fixed Vertical slicing level 18 OVRVOLIN fixed Over voltage input mode 19 V GUARD fixed Vertical guard mode 8 initial data for deflection Table 4 Initial data for deflection by m...

Страница 11: ...EU 1 1 0 1 2 2 2 2 8 37 1 1 18 18 3 3 10 EU 1 1 0 1 2 0 2 2 8 37 1 1 Refer PIP data Description WHITE STRETCH BLACK STRETCH BLACK STRATCH DEPTH DYNAMIC SKIN CONTROL VIDEO DEPENDENT CORING PEAKING FREQUENCY DELAY RATION POSITIVE NEGATIVE PEAKS RATION PRE AFTER SHOOT PEAK WHITE LIMITER DAC IF DEMODULATIOR CHROMA SENSITIVITY AUTO COLOR LIMITING Clamping delay 50 Clamping delay 60 Clamping Pulse Lengt...

Страница 12: ... 55 60 Mild 60 55 55 50 Game 50 55 60 50 11 OPTION Adjustment PAL 1 OPTION Adjustment need by Model name used the remote controller press the IN START KEY and start adjust Choice OPTION 1 2 3 4 5 adjust one by one 2 OPTION1 0 255 OPTION2 0 255 OPTION3 0 250 OPTION4 0 337 OPTION5 0 252 12 SOUND PRE SCALER This SVC data settin by every buyer s spec so can t change it W he 6Xe eW2 f V X V W Y f V XfW...

Страница 13: ... 13 SVC REMOCON ...

Страница 14: ...k the waveform at pin 4 12 of IC601 Check Replace Q603 NO OK Check the waveform at pin 6 of IC601 Check Replace IC601 NO OK Check the waveform at pin 1 2 14 15 of IC601 Check Replace R823 D826 Check the Heater voltage of CPT 6 6 4 Vrms Check R G B out of CPT board Check IC901 P402A Check 190V line of CPT Board if no problem check and Replace Check the Heater pulse of FBT T402 Check RF901 P903C P90...

Страница 15: ...11 Check T401 each pin voltage Check Q401collect waveform Check Replace T402 Check the voltage pin4 of IC810 Check Replace IC810 IC802 Q830 Check Fuse and Diode of secondary Load of SMPS trans T802 Check the B at D829 cathode OPEN Check Replace DB801 NO Check Replace Fuse and IC810 NO OK NO Normal Abnormal Check Replace Q402 Check Replace T401 Check Replace Q401 Check Q402 collector waveform Check...

Страница 16: ...k pin8 12 SCL SDA Check IC12 EEPROM SCL SDA Line Check pin3 Reset Voltage Check IC11 pin 83 84 85 R G B out Check SMPS Trans Secondary Voltage Go to No sound picture OK Check the waveform pin73 H out Check IC11 pin 83 84 85 R G B out Check receiving system in MENU execute Auto Program Does the auto Program operate properly Store on manual program MENU ...

Страница 17: ... 17 PRINTED CIRCUIT BOARD MAIN ...

Страница 18: ... 18 LED PRE AMP CONTROL ...

Страница 19: ... 19 BLOCK DIAGRAM ...

Страница 20: ... 20 EXPLODED VIEW 400 112 170 150 520 174 120 300 590 530 310 331 330 320 943 913 105 104 ...

Страница 21: ...G33983801 Button MOLD ABS 380 POWER 21FU1 ABS HF 380 1KEY ULTRL MBG36052301 Button MOLD ABS POWER 21FU1 ABS HF 380 KEY ULTRL 331 MAZ36053401 MOLD ABS CONRTOL 21FU1 CW62B ABS HF 380 SY TOOL CONTROL MAZ36053402 MOLD ABS CONRTOL 21FU1 CW62B ABS HF 380 SY TOOL CONTROL 400 ACQ32211401 Cover Assembly 21FU1 CW62B 21 SY TOOL B C ACQ32211402 Cover Assembly 21FU1 MC059C 21 SY TOOL B C ACQ32211404 Cover Asse...

Страница 22: ...V 4 94TO5 2V 20OHM 500MW EGR475M050T1G1C11G 4 7uF 20 50V 50M EGR227M010T1G1E11G 220uF 20 10V 255 EGR475M050T1G1C11G 4 7uF 20 50V 50M LOCA NO PART NO DESCRIPTION IC12 IC301 IC302 IC501 IC601 IC802 IC810 IC823 IC824 IC826 IC901 Q830 Q105 Q1106 Q201 Q202 Q301 Q302 Q303 Q401 Q402 Q404 Q405 Q502 Q503 Q504 Q505 Q506 Q602 Q603 Q803 Q804 Q805 Q806 Q809 Q810 Q811 Q840 D101 D102 D11 D1101 D301 0IAL241610B 0...

Страница 23: ... LOCA NO PART NO DESCRIPTION C506 C509 C510 C512 C513 C516 C518 C519 C520 C530 C531 C532 C533 C535 C536 C538 C540 C544 C546 C547 C548 C551 C553 C554 C556 C557 C558 C559 C561 C562 C563 C564 C569 C570 C571 C572 C576 C577 C578 C579 C580 C581 C584 C585 C586 C587 C590 C591 C592 C595 C596 C597 0CQ1031N509 0CE106DF618 0CN1040K949 0CN1040K949 0CE337DD618 0CE226DD618 0CN1030F679 181 007F 0CN1040K949 0CN222...

Страница 24: ...2 L401 L402 L501 L503 L504 L505 L506 L507 L509 L511 L514 L548 T401 T402 T802 G13 G14 G19 G20 G21 G22 G24 G29 G30 G36 G37 G38 G39 G42 G43 G44 G48 G49 G50 G51 G52 G53 G54 G55 G56 G57 G58 G59 G6 G61 G62 G7 0LA0121K119 0LA0102K119 0LA0102K139 150 717J EAP33683601 0LA0121K119 0LA0121K119 0LA0121K119 0LA0121K119 0LA0121K119 0LA0121K119 0LA0102K119 0LA0121K119 0LA0121K119 0LA0121K119 151 C02M 6174V 5003X...

Страница 25: ...12 R1120 R1136 R1146 R1147 R1149 R1150 R117 R119 R120 R121 R15 R203 R204 R205 R206 R207 R212 R213 R204 R205 R206 R215 R225 R226 R227 R228 R23 R252 R253 R301 R303 R304 R306 R307 R308 R309 R310 R311 0RD1002F609 0RD1001F609 0RD1001F609 0RD0752F609 0RD0222A609 0RD3902F609 0RD2202F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1301F609 0RD3300F609 0RD1000F609 0RD6802F609 0RD3601F609 0RD1000F609 0RD1801F609...

Страница 26: ...8M LOCA NO PART NO DESCRIPTION R524 R531 R532 R534 R535 R536 R537 R538 R539 R540 R543 R545 R547 R548 R549 R550 R551 R552 R554 R555 R556 R557 R558 R562 R563 R566 R567 R568 R569 R572 R576 R577 R580 R581 R582 R583 R584 R585 R587 R591 R592 R595 R606 R608 R611 R612 R613 R616 R617 R618 R619 R811 0RD0752F609 0RD1001F609 0RD1001F609 0RD1504F609 0RD1202F609 0RD1801F609 0RD1001F609 0RD1803F609 0RD1003F609 0...

Страница 27: ...8 RD 96T1J220R 220OHM 5 1 6W 3 2X1 8M RD 96T1J220R 220OHM 5 1 6W 3 2X1 8M RD 96T1J220R 220OHM 5 1 6W 3 2X1 8M RDM92T1J1K20 1 2KOHM 5 1 2W 6 5X2 3 RDM92T1J1K20 1 2KOHM 5 1 2W 6 5X2 3 RDM92T1J1K20 1 2KOHM 5 1 2W 6 5X2 3 RSD92T1J2K20 2 2KOHM 5 1 2W 6 5X2 3 RSD92T1J2K20 2 2KOHM 5 1 2W 6 5X2 3 RSD92T1J2K20 2 2KOHM 5 1 2W 6 5X2 3 RDM92T1J2M20 2 2MOHM 5 1 2W 6 5X2 3 RDM92T1J470K 470KOHM 5 1 2W 6 5X2 3 RD...

Страница 28: ...N1 g f g Le J5 g 3 K O Y g N Uh J X g W MeI Xg 7H e V 1g gN g g g 3L fJ5g V Ke O Yg V4 0Y g f LOCA NO PART NO DESCRIPTION TH801 TU101 VD801 163 058D 6700MF0018A 164 003G Thermistor PTC J503P83D070M290X 14OHM Tuner Analog TAEA G011D PAL B G I M D K VaristorTVR14621 620V 10 250pF 14MM LOCA NO PART NO DESCRIPTION ...

Страница 29: ...P No EBY31683801 2006 08 22 ...

Страница 30: ...SVC SHEET EBY31683801 S ...

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