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CONTENTS

Contents ...................................................................................................................2

Safety Precautions..............................................................................................3

Control Descriptions..........................................................................................4

Specifications........................................................................................................6

Adjustment Instructions..................................................................................7

Trouble Shooting .................................................................................................11

Printed circuit board.........................................................................................16

Block Diagram ......................................................................................................19

Exploded View....................................................................................................20

Exploded View Parts List ..............................................................................21

Replacement Parts List .................................................................................22

SVC. Sheet..................................................................................................................

All manuals and user guides at all-guides.com

Содержание RT-21FB45VQ

Страница 1: ...VICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 049B MODEL RT 21FB45VQ VT website http biz LGservice com e mail http www LGEservice com techsup html All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...ol Descriptions 4 Specifications 6 Adjustment Instructions 7 T rouble Shooting 11 Printed circuit board 16 Block Diagram 19 Exploded View 20 Exploded View Parts List 21 Replacement Parts List 22 SVC Sheet All manuals and user guides at all guides com ...

Страница 3: ...urrent 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 ohm meter to the AC plu...

Страница 4: ...utomatically F F G G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 6 Q VIEW returns to the previously viewed programme 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 8 PSM Picture Status Memory recalls your preferred picture setting 9 FAVOURITE selects a favorite programme 1...

Страница 5: ...selects the input mode for the sub picture SIZE adjusts the sub picture size STILL freezes motion of the sub picture POSITION relocates the sub picture in clockwise direction 9 4 PIP switches on or off the 9 or 4 sub pictures No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Without TELETEXT PIP POWER MUTE 1 2 3 4 5 6 7 8 9 MENU INDEX TV AV 0 E...

Страница 6: ...Measurement must be performed after heat run more than 20min 5 Adjusting Standard for this chassis is followed a special standard No 1 2 3 4 5 6 7 8 Item Receiving System Receiving Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark For EU For Non EU For EU For Non EU NTSC M Multi model Non EU EU FLAT CONVENTIONAL 200 PR OPTION Specification 1 PA...

Страница 7: ... red on whole screen and it does not to make the DY by fixed screw after check a simple color of Red Green Blue and white raster whether or not it is a pollution of color At this time take care raster of screen and DY must fixing in the condition which maintains a horizontality 6 Check the receiver by move direction When adjustment is not working adjust with the assisted MAGNET 4 2 Convergence adj...

Страница 8: ...ing data adjustment is operate by SVC communicator 3 Enter the deflection adjustment mode by selection SERVICE1 on SERVICE MENU after pressing LINE SVC MODE IN START KEY 4 Use the CH D E key to select adjustment item 5 Use the VOL F G key to increase decrease data Note 1 When adjusting a deflection adjust N50Hz of PAL signal first and adjust a deflection at Normal 60Hz NTSC 2 Adjust a deflection a...

Страница 9: ...12 511 512 511 512 511 32 2047 150 12 140 6 100 140 12 140 6 123 Variable range N50Hz PAL FLAT 21 N60Hz NTSC FLAT 21 INCH SYS SOUND CH AU Option Code 0 1 2 3 4 5 6 7 0 1 2 3 0 1 2 3 0 1 Function 21A 21B 21C 29F 25F 28WF 32WF 28N 34F 29N 25N BG I DK BG I DK L BG I DK M BG L RF STEREO AV STEREO MONO MONO DUAL Using Not using Table 4 Initial deflection setting data AV2 DVD SCART1 GAME EYE TX KEY DEGA...

Страница 10: ...unction ENG ONLY EU 5EA EU ETC GREECE EU ALL FARSI ARAB URDU E HINDI E I M V E THAI E CHINA WEST EU EAST EU1 TURKEY EU EAST EU2 CYRILLIC1 CYRILLIC2 CYRILLIC3 TURK GRE1 TURK GRE2 TURK GRE3 ARAB FRA ARAB ENG ARAB HEB1 ARAB HEB2 FARS ENG FARS FA FARS ALL AUTO WITHOUT HDEV WITH HDEV SETTING VOL MAX All manuals and user guides at all guides com ...

Страница 11: ...2 Q807 Check Replace C821 IC822 Q807 Check The Voltage At pin 2 19 20 21 24 of IIC11 Check Replace TU 101 Check Replace F806 D828 D805 OK OK OK OK OK OK NO NO NO NO NO NO No Raster Sound OK 1 2 Check the Heater voltage of CPT 6 6 4Vrms Check HV Screen Voltage of CPT Check the Heater pulse of FBT T402 Check R G B out of CPT Board Check FBT T402 Check 185V line of CPT Board if no problem check and R...

Страница 12: ...tage Check Replace T402 Check the Voltage Of C803 Check the Voltage Pin 4 OF IC801 Check Replace IC801 IC802 IC826 Check Fuse and Diode of secondary Load of SMPS trans T803 Check Replace IC11 Check Replace IC11 Check Replace Q402 Check Replace T401 Check Replace Q401 Check Replace Fuse Check Replace DB801 Check Replace Fuse IC801 NO OK OK OK NO Open NO 18 20V Normal Yes Yes Yes Yes NO NO NO NO Abn...

Страница 13: ... Voltage Check SMPS Trans Secondary Voltage Check pin18 Reset Voltage Check IC13 Reset IC Check pin57 58 SCL SDA Check IC12 EEPROM SCL SDA Line RelaceIC11 Q501 Q503 Q504 R G B out of IC11 Check Replace CPT Board com ponent Go to No Sound Picture OK OK OK OK OK NO NO NO NO NO NO 3 3V DC OK OK 3 3V DC Check receiving system in MENU execute Auto Program All manuals and user guides at all guides com ...

Страница 14: ... of IC11 Check the signal line of SPK L R Check pin 55 m ute of IC11 Check the waveform At pin2 4 of IC601 Check the waveform At pin6 of IC601 Check the waveform At pin8 9 11 12 of IC601 Check thevpltage At pin7 5 of IC601 Check Replace D828 D805 F806 Check the connection of side or Front AV Board P603A Replace IC601 AV OK OK OK OK NO NO OK OK NO NO NO NO Correct the Board NO OK OK All manuals and...

Страница 15: ...MEMO 15 All manuals and user guides at all guides com ...

Страница 16: ... 16 PRINTED CIRCUIT BOARD MAIN All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 17: ...3 C3 J524 C3 J525 C3 J526 C3 J527 C3 J528 C3 J529 B3 J530 B3 J531 B3 J532 B3 J533 B2 J534 C2 J535 C1 J536 B4 J537 C5 J538 C4 J539 C4 J540 B2 J541 B3 J542 B3 J543 B3 J544 B3 J545 C2 J546 B3 J547 B3 J548 B3 J549 C2 J550 B3 J551 B3 J552 B3 J553 B3 J554 B3 J555 B3 J556 B3 J557 B3 J558 C3 J559 B3 J560 B3 J561 C5 J562 C5 J564 C4 J565 C4 J566 C4 J567 C4 J568 C4 J569 B4 J570 C4 J571 B4 J572 C3 J573 C4 J57...

Страница 18: ...PIP SIDE A V 18 All manuals and user guides at all guides com ...

Страница 19: ... 14V VA H OUT 35V H Vc c TU 33V S Vc c 6 5 V 12V B SAW FILTER Z101 PIP_BOARD SDA9489X S1117 18 IC825 S111 7 33 IC853 KIA78S06P IC824 KA78R33 KA78R05C ST 5V ST 3 3V ST 1 8V 3 3 V GAME HIC HIC01 190 V VB H FLB IIC 33V 5V TV MONITOR OUT SCART RGB IN Y Cb Cr IN AV IN H Vc c 5V S Vc c PIP RGB PIP VIDEO IIC VS H FLB 5V ST 5V ON OFF DATA CLOCK RESET VIDEO AUDIO 190V All manuals and user guides at all gui...

Страница 20: ... 20 EXPLODED VIEW P801 520 943 400 913 170 150 112 300 104 330 320 310 700 121 122 120 600 601 550 All manuals and user guides at all guides com ...

Страница 21: ...5020V00733B BUTTON POWER RT 21FB45VQ ABS HF 380 1KEY SHAHAB LOCAL 400 3809V00A24G BACK COVER ASSEMBLY RT 21FB45VQ LMLLKS8 DVD 1PHONE SHAHAB 520 6871VMM901H PWB PCB ASSEMBLY MAIN MC 049B RT 21FB45VQ LMLLKS8 6871VMM901J PWB PCB ASSEMBLY MAIN MC 049B RT 21FB45VT LMLLKS8 550 6871VSML08A PWB PCB ASSEMBLY SUB PIP MC049B 600 6871VSMAANB PWB PCB ASSEMBLY SUB A V MC049B 21FB45 SIDE AV 601 4810V00735C BRACK...

Страница 22: ...6V M FL TP5 0 1UF D 50V 80 20 F Y5V TA52 1000PF D 50V 10 B Y5P TA52 100PF D 50V 10 B Y5P TA52 100PF D 50V 10 B Y5P TA52 LOCA NO PART NO DESCRIPTION IC12 IC13 IC301 IC601 IC801 IC802 IC821 IC822 IC822 IC824 IC825 IC826 IC853 IC901 ICP01 ICP02 Q104 Q11 Q301 Q401 Q402 Q501 Q502 Q503 Q504 Q505 Q507 Q508 Q510 Q601 Q802 Q803 QP01 QP02 D301 D403 D405 D406 D407 D501 D502 D503 D504 0IMMRSG036C 0IFA752700A ...

Страница 23: ... C529 C530 C531 C532 C533 C534 C535 C536 C537 C538 C540 C541 C542 C543 C545 C546 C547 C548 C550 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C618 C619 C620 C625 C626 C627 C632 C636 C803 C804 C806 C807 0CE107DD618 0CN3310K519 0CN1040K949 0CN1040K949 0CN1040K949 0CN1040K949 0CN1010K519 0CN1010K519 0CN1040K949 0CE107DD618 0CN1040K949 0CN1040K949 0CN1040K949 0CN1040K...

Страница 24: ...2 L501 L502 L503 L504 L505 L506 L507 L508 L509 L510 L801 LP01 LP12 LP13 LP14 T401 T803 P1205 P1206 P551B P552B P902 F802 F804 F805 F806 FR401 FR406 FR407 FR408 FR901 181 442Z 181 442Z 0CH5471K416 0LA0102K139 0LA0101K119 0LA0102K119 0LA0101K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 6140VE0001V 6140VB0001F 0LA0102K119 0LA0102K119 0LA0102K119 0LA0101K119 0LA0102K119 ...

Страница 25: ...R315 R32 R328 R33 R35 R37 R38 R403 R404 R405 R409 R410 R412 R42 R421 R422 R501 R502 R503 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R522 R523 R524 R525 R526 R527 R532 R534 R535 R536 R539 R540 R542 R543 R545 0RS2700K607 0RD3301F609 0RN3602F409 0RD1000F609 0RD1000F609 0RD1000F609 0RD1002F609 0RD5600A609 0RD0332A609 0RS8200K607 0RD1501A609 0RS2702K607 0R...

Страница 26: ...OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 1 2 W 1 5K 10 PLIKOR HIGH SURGE LOCA NO PART NO DESCRIPTION R910 R911 R912 R914 RP01 RP03 RP04 RP06 RP11 RP12 RP13 RP14 SW11 SW12 SW13 SW14 SW15 SW16 SW801 FB801 FB802 FB803 FB825 T802 X11 XP01 Z101 JK202 PJ1202 PJ1203 A2 A3 F801 PA01 SK901 T402 TH801 TU101 VD801 0RCZVTA002D 0RCZVTA002D 0RD2204A609 0RD0102F609 0RD2200F609 0RD1000F609 0RD10...

Страница 27: ...P NO 3854VA0162A S1 2004 6 12 All manuals and user guides at all guides com ...

Страница 28: ...SVC SHEET 3854V A0162A S All manuals and user guides at all guides com ...

Страница 29: ...Oct 2004 Printed in Korea P NO 3828VD0196E All manuals and user guides at all guides com ...

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