LG RE-44SZ20RD Service Manual
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LG RE-44SZ20RD Service Manual

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All manuals and user guides at all-guides.com
DLP Projection TV
SERVICE MANUAL
CHASSIS : MB-02JA
MODEL : RE/RL-44SZ20RD
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
AV4
ON/OFF
R
AUDIO
L/MONO
VIDEO S-VIDEO
TV/AV MENU
OK
VOL
PR
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html DLP Projection TV SERVICE MANUAL CHASSIS : MB-02JA MODEL : RE/RL-44SZ20RD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. ON/OFF AUDIO L/MONO VIDEO S-VIDEO TV/AV MENU...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS CONTENTS ........................2 SAFETY PRECAUTIONS ....................3 SERVICING PRECAUTIONS ..................4 CONTROL DESCRIPTIONS ....................6 REPLACINIG LAMP ......................10 SPECIFICATIONS ......................11 ADJUSTMENT INSTRUCTIONS ..................12 BLOCK DIAGRAM......................13 EXPLODED VIEW ......................18 EXPLODED VIEW PARTS LIST ..................19 REPLACEMENT PARTS LIST ..................20 SVC.

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

  • Page 4: Servicing Precautions

    All manuals and user guides at all-guides.com SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service transistors and semicounductor "chip" components. The manual and its supplements and addenda, read and follow the following techniques should be used to help reduce the SAFETY PRECAUTIONS on page 3 of this publication.
  • Page 5 All manuals and user guides at all-guides.com c. Qulckly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it Removal/Replacement there only until the solder flows onto and around both the 1.

  • Page 6: Control Descriptions

    8. PSM (Picture Status Memory) recalls your preferred picture setting. 9. I/II selects the language during dual language broadcast. selects the sound output. 10. VCR BUTTONS control a LG video cassette recorder. - 6 -...
  • Page 7 All manuals and user guides at all-guides.com 11. TV/AV selects the remote operating mode. switches the set on from standby. 12. SLEEP sets the sleep timer. POWER 13. TELETEXT BUTTONS These buttons are used for teletext. TV/AV For further details, see the ÔTeletextÕ section. MUTE SLEEP 14.
  • Page 8 All manuals and user guides at all-guides.com Front panel Lamp indicator, operation indicator, and temperature indicator, located side the front panel controls reveal the operating status of the DLP(Digital Light Processing) projection TV. ON/OFF AUDIO L/MONO VIDEO S-VIDEO TV/AV MENU ON/OFF L/MONO AUDIO...
  • Page 9 All manuals and user guides at all-guides.com Rear panel ANT IN 75Ω SERIAL AUDIO ANT IN 75Ω AERIAL SOCKET AUDIO AUDIO OUT SOCKETS UPGRADE PORT This port is used to upgrade the UPGRADE PORT software version and debug EURO SCART SOCKETS without changing the hardware.

  • Page 10: Replacinig Lamp

    All manuals and user guides at all-guides.com REPLACING THE LAMP * Contact your dealer or LG service center for replacing the new lamp. You must replace the lamp when; The set image get darker or start to be deteriorated. ¯...

  • Page 11: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. Power requirement : 230V, 50Hz Video input system: PAL-B/G, D/K, I/I SECAM-B/G, D/K,L/L’ Power consumption : 230W NTSC M STAND-BY : 3W Intermediate Frequency (Unit : MHz) VISION IF : 38.9MHz...

  • Page 12: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 4-2. Screen Position Adjustment This instruction is for the application to the DLP Projection. (1). Required Test Equipments Remote control : 1EA 2. Notes (2). Horizontal Position Adjustment 1) Press ADJ key on the remote control to enter the (1) The power source insulation of this DLP Projection is not adjustment.
  • Page 13 All manuals and user guides at all-guides.com 4-6. White Balance Adjustment (1). Required Test Equipments : CA110 (2). White standard value : X=0.283!0.01,Y=0.297 ! 0.01 (3). Adjustment Sequence 1) Install the CA110 at 20cm distance from the center of screen. 2) Enter the ADJ mode of the remote control for adjustment.

  • Page 14: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM 1. DLP Block - 14 -...
  • Page 15 All manuals and user guides at all-guides.com 2. DLP Driver Block - 15 -...
  • Page 16 All manuals and user guides at all-guides.com 3. Digital Board Block - 16 -...
  • Page 17 All manuals and user guides at all-guides.com 4. SMPS Block - 17 -...

  • Page 18: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 18 -...

  • Page 19: Exploded View Parts List

    3211V00085A FRAME ASSEMBLY,NON RE-44SZ20 3210V00130A LG 3350V00021A SCREEN,TOPPAN 44W DLP PJTV RE-44SZ20 994*560.5 .. 3350V00079C Screen, COMPLEX DNP LENTI. RE-44SZ20RD 994*560.5*2.4 NON HARD COATING 3790V00689A WINDOW,FILTER RE-44SZ20 ACRYL 44 DLP PJTV 3790V00792A Window, CUTTING ACRYL FILTER ASSY,44SZ20 ACRYL SVC 3550V00230A...

  • Page 20: Replacement Parts List

    IC301 0ISO211900A IC,CXA2119M 28P,SOP TP VIDEO SWITCHING IC203 0TR830009BA TR,BSS83 TP PHILIPS NON N-CHANNEL S/W 0ICTMLG003C IC301 IC,LGDT1502M LG IC 304P QFP TRAY READY-2 0TR387500AA TR,CHIP 2SC3875S(ALY) KEC IC302 0ITI740000Q IC,SN74LVC00AD 14SOP R/TP LOGIC D-TV Q101 0TR387500AA TR,CHIP 2SC3875S(ALY) KEC...
  • Page 21 All manuals and user guides at all-guides.com For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 22 All manuals and user guides at all-guides.com For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 23 All manuals and user guides at all-guides.com For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 24 CONNECTOR,36512-0098 MALE MOLEX 48 2.54 D-TV AR301 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES P203A 366-932B CONNECTOR, 2.5MM 3P GIL-G LG CABLE S AR302 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES P203B 366-922B CONNECTOR,2.5MM 3P GIL-G LG CABLE R/A...
  • Page 25 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 NIGATA 25V 200MA SWITCH T420 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 NIGATA 25V 200MA 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON T421 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 NIGATA 25V 200MA 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON T422 6200QJ3001A...
  • Page 26 6212AB2015D RESONATOR,CRYSTAL HC-49/SM 16MHZ +/- 50 PPM 16PF X601 156-A02M RESONATOR,CRYSTAL HC49U 18.432MHZ 30PPM 10PF ACCESSORIES 3828VA0362J MANUAL,OWNERS MB02JA FS LG FR 084U TX 335A 6710V00084U REMOTE CONTROLLER MB02JA NON RE-44SZ2 174-322C POWER CORD,W/FILTER L=50(179B)VDE MISCELLANEOUS 6501VN0001C SENSOR ASSY,NTC 103AT-100LC 600MM...
  • Page 27 All manuals and user guides at all-guides.com P/No : 3854VA0114A-S1(1/2) 2002.11.05...
  • Page 28 All manuals and user guides at all-guides.com P/No : 3854VA0114A-S1(2/2) 2002.11.05...
  • Page 29 All manuals and user guides at all-guides.com P/No : 3854VA0114A-S2(1/2) 2002.11.05...
  • Page 30 All manuals and user guides at all-guides.com POWER PRE-AMP(BOTTOM) MAIN (TOP) MAIN (BOTTOM) PRE-AMP(TOP) POWER/LED(TOP) POWER/LED(BOTTOM) P/No : 3854VA0114A-S2(2/2) 2002.11.05...
  • Page 31 All manuals and user guides at all-guides.com TUNER(TOP) TUNER(BOTTOM) DRIVER(TOP) DRIVER(BOTTOM) DIGITAL(TOP) DIGITAL(BOTTOM) FRONT/CONTROL(TOP) FRONT/CONTROL(BOTTOM) P/No : 3854VA0114A-S3 2002.11.05...

  • Page 32: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0114A-S1 SVC. SHEET : 3854V A0114A-S2 SVC. SHEET : 3854V A0114A-S3 SVC. SHEET :...
  • Page 33 All manuals and user guides at all-guides.com...

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Rl-44sz20rd

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