LG RD-JT91 Скачать руководство пользователя | Manualshive

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Содержание RD-JT91

Страница 1: ...OJECTOR SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RE 048A MODEL RD JT91 website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...ONS 3 SERVICING PRECAUTIONS 4 CONTROL DESCRIPTIONS 6 REPLACING OF LAMP 10 SPECIFICATIONS 11 ADJUSTMENT INSTRUCTION 13 PRINTED CIRCUIT BOARD 18 BLOCK DIAGRAM 21 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 position connect one lead of ...

Страница 4: ...are integrated circuits and some field effect transistors and semiconductor 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 electrostatic charge on your body by touching a known earth ground Altern...

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: ...ector screen tiny black points and or bright points red blue or green This can be a normal result of the manufacturing process and does not always indicate a malfunction Focus ring Zoom ring Lens cover Push the lens cover into the inside after pulling it open into the front If you mount on the ceiling after pushing the cover the lens cover is installed If not the cover may overlap projecting lens ...

Страница 7: ...STONE OK POWER Button KEYSTONE Button MENU Button Selects or closes menus AUTO Button VOLUME Button Adjusts volume level and functions of menus SOURCE Button Switches to RGB DVI Video S Video mode A OK Button Checks present mode and saves the change of functions ...

Страница 8: ...URCE AUTO BLANK ARC MUTE STILL OK VOL VOL KEYSTONE KEYSTONE POWER Button SOURCE Button KEYSTONE D EButton A OK Button ARC Button STILL Button AUTO Button BLANK Button MUTE Button Switches the sound on or off VOL F GButton MENU Button ...

Страница 9: ...while the lamp preheats The lamp is preheated and on Projector lamp is cooling as power out 2 minutes Power off Projector lamp is reaching the end of its life and needs to be replaced with a new lamp over 2000 hours The projector has trouble in the lamp or around it at power on Retry Power On again later If lamp indicator is red flashing again contact the service center The lamp cover is not close...

Страница 10: ...or on its side as below so that you can easily access the lamp cover 3 Remove the two retaining screws on the lamp cover with a screwdriver and then lift off the lamp cover 4 After lifting the lamp cover off remove the two retaining screws on the lamp case with a screwdriver 5 Lift up the fixed wire handle of the lamp 6 Pull out the handle slowly and remove the lamp case 7 Insert the new lamp gent...

Страница 11: ...than 30min before the measurement A Test and Inspection Method 1 performance Follow the Standard of LG TV test 2 RCA JACK performance Follow the standard of LG 3 Standards of Etc requirement SAFETY CE EN55020 Electric wave CB EN55013 A General Specification 11 No Item Video input applicable system Power Input Voltage Market Screen size Aspect ratio Operating Temperature Operating Humidity Storage ...

Страница 12: ... PR 480i 480p 720p 1080i 576i 576p 1 480i 576i 1 480i 576i 1 1 Power Menu OK Vol Source keystone keystone auto Normal Film Sports Contrast Brightness Color Tint Sharpness Normal Warm Cool 4 3 16 9 1W mono Korean english Deutsch Italiano Espanol Chinese Japanese france Swedish DVI D D Sub 15 pin D Sub 15 pin RCA jack Yellow S VIDEO jack PC audio jack USB jack only for download 1 2 3 4 5 6 7 8 9 10 ...

Страница 13: ...key to enter the item you wish to adjust 3 Press the Instart key to exit the service menu 4 Preparation for Adjustment 1 Power is connected in set to be power on 2 Do heat run 5minutes 4 Folding Mirror Adjustment 4 1 Before adjusting check the position of Folding MIrror Check the position of Folding Mirror in the base of up down left right surface Fig 4 1 1 Check the Lower Position As shown Fig 4 ...

Страница 14: ...Turn screw B Left Right adjustment to the right left and mark where the image is aligned Fix the adjustment screw in position 3 Left and Right Adjustment 2 1 Mark screw C in its original position Turn screw C up down adjustment to the right and mark where the image is aligned 2 Mark screw C in its original position Turn screw C up down adjustment to the left and mark where the image is aligned 3 T...

Страница 15: ...tating 180 degree the DMD If necessary keep under observation 3 Don t clean the DMD with the high pressure The static electricity and pressure will damage the DMD 15 Up down screw A Right tighten direction Adjustmen t part Screen state Initial state State after adjusting Screw direction Description At first upside illuminator goes down and right illuminator also goes down in detail Left loosen dir...

Страница 16: ...t component offset gain set in the adjustment menu 3 Automatic Adjustment Press the enter button in component offset gain set of Adjustment menu Adjustment is operated by system Micom automatically CWI White Balance Measurement Condition 1 CWI and White Balance is adjusted using a CL 200 or equivalent 2 Adjust the screen size to a minimum of 40 inches 3 Place the CL 200 on the center of projection...

Страница 17: ...ttern Generator DVI input 3 Set fixing device 1EA 4 Remote control 1EA 9 2 Equipment Composition 1 Compose the equipment as Fig 9 2 It may use a pattern other than 70 white Use a white pattern 3 Press the Instart key on the service remote to select white peaking and check the RGB DVI peaking data should be set to 10 4 Press the Instart key on the service remote control to select White balance 5 Ch...

Страница 18: ... 18 PRINTED CIRCUIT BOARD MAIN TOP ...

Страница 19: ... 19 MAIN BOTTOM ...

Страница 20: ... 20 DMD TOP DMD BOTTOM ...

Страница 21: ...D D I I F F D D A A D D 1 1 0 0 0 0 0 0 R R e e s s e e t t K K e e y y p p a a d d I I R R r r e e m m o o t t e e U U S S B B C C W W D D r r i i v v e e r r C C W W I I n n d d e e x x C C W W D D r r i i v v e e D D M M D D I I F F D D M M D D 0 0 5 5 5 5 S S V V G G A A D D V V I I D D S S U U B B 4 4 0 0 1 1 4 4 9 9 9 9 7 7 0 0 1 1 7 7 4 4 9 9 7 7 5 5 0 0 7 7 9 9 9 9 1 1 0 0 1 1 1 1 9 9 9 9 ...

Страница 22: ...IEW 48 47 45 49 46 50 52 51 44 41 28 16 17 19 20 21 23 18 24 22 26 25 30 33 71 IC753 29 32 27 34 35 36 37 38 39 40 15 13 12 11 14 9 10 8 6 5 4 3 7 1 2 42 43 54 74 55 57 58 56 60 59 61 63 65 64 66 62 70 53 67 69 68 74 ...

Страница 23: ...M 7 0V 13 8V RD JT91 LAMP BULB COOLING FAN 39 3550V00469A COVER FAN BLOWER RD JT91 PC 40 3550V00470A COVER DUCT RD JT91 PEEK 41 5900V08011A FAN DC 8412N 2GME PAPST 80 80 25 4MM 12V 2600RPM 8V 15V RD JT91 LAMP COOLING FAN 42 4810V01044B BRACKET DUCT LAMP FAN RD JT91 RE048A SECC EGI 43 4972V00125B FIXER POLYURETHAN FANMOUNT RD JT91 YELLOEW 44 4810V01049A BRACKET DUCT RD JT91 RE03RA PC ABS BLOW DIR 4...

Страница 24: ...1B ROHM LOCA NO PART NO DESCRIPTION D170 IC101 IC102 IC103 IC104 IC105 IC108 IC1511 IC181 IC1901 IC202 IC203 IC203 IC204 IC204 IC205 IC206 IC251 IC252 IC301 IC401 IC402 IC403 IC404 IC405 IC406 IC410 IC412 IC413 IC502 IC503 IC512 IC601 IC651 IC653 IC702 IC753 IC801 IC802 IC803 IC804 IC805 MOS101 MOS102 MOS104 MOS105 MOS106 Q101 Q102 0IMCRSH003A 0IMCRTI033A 0IMCRAL006A 0IMCRSG007A 0IMCRSG007A 0IMCRS...

Страница 25: ...PF 1608 50V 5 R TP NP0 100PF 1608 50V 5 R TP NP0 100PF 1608 50V 5 R TP NP0 0 1UF 1608 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION C121 C122 C125 C126 C127 C128 C128 C1511 C1512 C170 C181 C1902 C1903 C1904 C1905 C1906 C1907 C1908 C1909 C1910 C200 C201 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C224 C225 C226 C227 C228 C229 C230 C231 C232 C233...

Страница 26: ...T NO DESCRIPTION C333 C334 C336 C338 C338 C340 C341 C344 C346 C347 C348 C350 C351 C352 C354 C355 C356 C357 C358 C359 C362 C363 C366 C367 C401 C402 C403 C403 C404 C405 C406 C406 C407 C408 C409 C410 C411 C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C424 C425 C427 0CC331CK41A 0CK104CF56A 0CK224CFG6A 0CE2253K618 0CK224CFG6A 0CK224CFG6A 0CC050CK11A 0CK104CF56A 0CK104CF56A 0CC050CK11A 0CK...

Страница 27: ...7R LOCA NO PART NO DESCRIPTION C487 C488 C489 C490 C491 C492 C493 C494 C495 C496 C497 C498 C499 C501 C502 C503 C504 C505 C506 C507 C508 C511 C523 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C611 C612 C612 C613 C613 C614 C614 C615 C615 C616 C616 C617 C617 C618 C618 C619 C619 C620 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CC680CK41A 0CC680CK41A 0CC680CK41A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0...

Страница 28: ...R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION C759 C760 C761 C762 C763 C764 C765 C766 C801 C802 C803 C804 C805 C806 C807 C808 C809 C810 C811 C812 C813 C815 C816 C817 C818 C819 C820 C822 C823 C824 C825 C826 C827 C828 C829 C830 C831 C832 CN725 CN751 J201 J251 J301 J302 J501 J651 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CE105SK6DC 0CK104CF5...

Страница 29: ...M 1 16 W 1608 5 R TP 4P E24 SERIES 22 OHM 1 16 W 1608 5 R TP 4P E24 SERIES 22 OHM 1 16 W 1608 5 R TP 4P E24 SERIES 22 OHM 1 16 W 1608 5 R TP 4P E24 SERIES 22 OHM 1 16 W 1608 5 R TP 4P E24 SERIES SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP TACT J ALPS SKHMPW 5P CHIP T...

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Страница 34: ...Jun 2004 Printed in Korea P NO 3828VD0085Q ...

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