1. Manuals
  2. Brands
  3. LG Manuals
  4. Projection TV
  5. RU-44SZ51D - - 44" Rear Projection TV
  6. Service manual

LG RU-44SZ51D Service Manual

Dlp projection tv lg ru-44sz51d/ ru-52sz51d
Hide thumbs Also See for RU-44SZ51D:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Owner's Manual
DLP Projection TV
SERVICE MANUAL
CHASSIS : NB-03JC
MODEL : RU-44SZ51D RU-52SZ51D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

Advertisement

Table of Contents
loading

Related Manuals for LG RU-44SZ51D

Summary of Contents for LG RU-44SZ51D

  • Page 1 DLP Projection TV SERVICE MANUAL CHASSIS : NB-03JC MODEL : RU-44SZ51D RU-52SZ51D CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS 1. Before returning an instrument to the customer, always make a safety they are serviced. (X-radiation protection circuits also may be called check of the entire instrument, including, but not limited to, the "horizontal disable" or "hold-down.") Read and apply the high voltage following items: limits and, if the chassis is so equipped, the X-radiation protection circuit a.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS..............4 DESCRIPTION OF CONTROLS ...........5 ADJUSTMENT INSTRUCTION...........13 BLOCK DIAGRAM...............19 EXPLODED VIEW............24,26 EXPLODED VIEW PARTS LIST ........25,27 REPLACEMENT PARTS LIST ..........28 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........- 3 -...

  • Page 4: Specifications

    SPECIFICATIONS Models RU-44SZ51D Horizontal Size (Inches) 41.7 Height (Inches) 30.1 Depth (Inches) Weight (lbs.) RU-52SZ51D Horizontal Size (Inches) 48.6 Height (Inches) 35.1 Depth (Inches) 15.3 Weight (lbs.) Power Requirement AC 120V, 60Hz Television System American TV Standard, NTSC, ATSC with STB...

  • Page 5: Description Of Controls

    DESCRIPTION OF CONTROLS Function Status Indicators Lamp indicator, operation indicator, and temperature indicator located below the front panel controls, reveal the operating status of the DLP projection TV. Operation Indicator Temperature Indicator Lamp Indicator Power cord is not connected. Power Cord is connected, TV is in standby mode. Operation Indicator Green Orange (flashing)
  • Page 6 DESCRIPTION OF CONTROLS Rear Connections Panel Connecting cables and external equipment to your TV. This manual explains the features available on the RU-52SZ51D TVs. RF Connector: Antenna Used to connect analog ANT IN cable or antenna signals +75 Ω to the television, either directly or through your cable box.
  • Page 7 DESCRIPTION OF CONTROLS Front Connection Panel There are four jacks on the left front side behind the screen on your projection TV that make connecting Audio/Video devices like video games and camcorders very simple. The jacks are like those found on the back jack connection panel.
  • Page 8 DESCRIPTION OF CONTROLS ANT / Cable Service Hookup Cable TV Wall Jack Panel Antenna Connect an antenna and/or cable ser- vice to your TV as shown. RF Coaxial Turn to page 22 to do a channel search RF Coaxial Wire Wire (75 ohm) with EZ Scan for Ant/Cable...
  • Page 9 DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode MODE Selects the remote operating mode: TV, VCR, Cable, DVD and Satellite. Select other oper- INDICATOR LIGHTS ating modes, for the remote to Show active remote mode control external devices. every time any button is VCR CABLE DVD SAT pressed.
  • Page 10 DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode VCR CABLE DVD SAT MODE LIGHT POWER POWER Turns your TV or any other TV/VIDEO FRONT programmed equipment on or off, depending on mode. COMP1 COMP2 COMPONENT 1, 2 Selects: RGB-DTV and Selects component signal sources, RGB-PC input sources.
  • Page 11 DESCRIPTION OF CONTROLS On-Screen Displays This page describes your on-screen display and information banner options. Channel Label If a channel label has been Main Channel Display set, then it will appear here. Displays current channel number. PIP Display TV 13 This display MONO appears when...
  • Page 12 DESCRIPTION OF CONTROLS Front Panel Controls POWER MENU ENTER POWER MENU ENTER (Same as ENTER button on your remote control) VOLUME UP / DOWN CHANNEL UP / DOWN Operation indicator. See menu pages for instructions on using the on- Lamp indicator. screen menus.

  • Page 13: Adjustment Instruction

    ADJUSTMENT INSTRUCTIONS 1. Application Object (4) Adjust the value of adjustment with using the volume ),volume -( ) key. This instruction is for the application to the DLP Projection (5) Press the ADJ key to come out after adjustment. TV(Chassis: NB-03JC). (6) Preparation for Adjustment 1) Connect the power to TV Set and set the status of 2.
  • Page 14 ADJUSTMENT INSTRUCTIONS 1) The screen change when adjusting the A 1) The pattern when adjustment - When fasten the screw: Fall out the upper/right illuminator - When loosen the screw: Fall out the lower/left illuminator 2) The screen change when adjusting the B - When fasten the screw: Fall out the lower illuminator - When loosen the screw: Fall out the upper illuminator 3) The screen change when adjusting the C...
  • Page 15 ADJUSTMENT INSTRUCTIONS 6-2. Caution (1) Keep the procedure and caution to prevent the screen strange phenomenon. Don’t make a scratch. (2) When DMD stains with dust, polish the front and back DMD with soft wiper. Then, polish the front and back DMD after rotating 180 degree the DMD.

  • Page 16: Screen Position Adjustment

    ADJUSTMENT INSTRUCTIONS (2) Select menu with using Volume- ( ) key or Volume+ ( key on the Country. (USA/CA.) 11. Screen Position Adjustment 11-1. Required Test Equipments Remote control of adjustment 11-2. Horizontal Position Adjustment (1) Press ADJ key on the remote control to enter the adjustment mode.

  • Page 17: White Balance Adjustment

    ADJUSTMENT INSTRUCTIONS 12. White Balance Adjustment (4) Check the RED Pattern to uniform. After checking unless abnormality do OK. (Day Light Mode) : R fixation 12-1. Required Test Equipments (color wheel index) CA100 or CA210 12-2. White basse balue(Medium) x = 0.283¡ 0.01, y = 0.297¡ 0.01 12-3.
  • Page 18 ADJUSTMENT INSTRUCTIONS 14. Main/Sub Contrast Adjustment Adjust which it sees last prosecuting attorney time the screen contrast difference. Basically the letter does with the fact that the character and distinction become. 14-1. Preparation for Adjustment (1) Receive signal(RF 06Ch.) on the Main/Sub screen in the twin picture.

  • Page 19: Block Diagram

    BLOCK DIAGRAM - 19 -...
  • Page 20 BLOCK DIAGRAM - 20 -...
  • Page 21 BLOCK DIAGRAM - 21 -...
  • Page 22 BLOCK DIAGRAM - 22 -...
  • Page 23 NOTES - 23 -...

  • Page 24: Exploded View

    EXPLODED VIEW(44”) - 24 -...

  • Page 25: Exploded View Parts List

    BRACKET,NON MIRROR RIGHT 44/52SZ50 NB03JA ABS . 3210V00165B FRAME,ABS, AF-303S RN-48SZ40H MAIN CHASSIS 3210V00191A FRAME,CHASSIS HIPS 40AF DN-44SZ60D SMPS 4810V00713J BRACKET,REAR AV RU-44SZ51D NON ABS, AF-303S NB-03JC 6871VMMR92A PCB ASSEMBLY,MAIN NB-03JC BOTTOM M/I ASSY FOR N.A. 6871VPMA55A PCB ASSEMBLY,POWER SMPS NB-03JC M/I ASSY FOR N.A. 6871VSMY73A PCB ASSEMBLY,SUB TUNER NB03JC M/I ASSY FOR N.A.
  • Page 26 EXPLODED VIEW(52”) - 26 -...
  • Page 27 BRACKET ASSEMBLY,GRILLE RU-52SZ51D NB03JC ZENITH 3351V00007A SCREEN ASSEMBLY,SHIINSUNG NON RN-52SZ30H 1178*670*3.6 LCD TYPE 3809V00361F BACK COVER ASSEMBLY,RU-52SZ61D NON ZENITH 3550V00269D COVER,LAMP RU-44SZ51D PC-ABS FAN 7S00115A 3550V00322D COVER,LAMP RU-52SZ51D HIPS 40AF SIDE 3110V00307B CASE,NON LAMP DUCT DLP 52SZ60H PC-ABS . 4980V00885B...

  • Page 28: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film RUN DATE : 2004.5.11 in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q1003 0TR387500AA CHIP 2SC3875S(ALY) KEC Q211 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1004 0TR150400BA CHIP 2SA1504S(ASY) KEC Q500 0TR150400BA CHIP 2SA1504S(ASY) KEC Q1004 0TR387500AA CHIP 2SC3875S(ALY) KEC Q501 0TR830009BA BSS83 Q1005 0TR150400BA...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D801 0DD606000AA RBV606 600V 6A 150A NA 10UA CAPACITOR D801 0DR050008AA SD05.TC SOD323 5V 5A 15A 0CE476DF618 47UF STD 16V M D802 0DR050008AA SD05.TC SOD323 5V 5A 15A 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP D803...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C142 0CE475WJ6DC 4.7UF MVK 35V 20% C407 0CE107VH6DC 100UF MV 25V 20% C143 0CE475WJ6DC 4.7UF MVK 35V 20% C408 0CE107SF6DC 100UF MVG 16V M C144 0CE226SF6DC 22UF MVG 16V M C409 0CE107SF6DC 100UF MVG 16V M...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C536 0CK104CF56A 0.1UF 1608 16V 10% C635 0CK104CF56A 0.1UF 1608 16V 10% C541 0CK105DF64A 1UF 2012 16V 20% C636 0CK104CF56A 0.1UF 1608 16V 10% C600 0CE226SF6DC 22UF MVG 16V M C637 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C726 0CK104CF56A 0.1UF 1608 16V 10% C777 0CK104CF56A 0.1UF 1608 16V 10% C727 0CK104CF56A 0.1UF 1608 16V 10% C778 0CK104CF56A 0.1UF 1608 16V 10% C728 0CK104CF56A 0.1UF 1608 16V 10% C779 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C824 0CK104CF56A 0.1UF 1608 16V 10% C905 0CK104CF56A 0.1UF 1608 16V 10% C824 0CE107BK618 100UF KME 50V M C906 0CK104CF56A 0.1UF 1608 16V 10% C825 0CK104CF56A 0.1UF 1608 16V 10% C908 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R680 0RD0561H609 5.6 OHM 1/2 W 5.00% COIL & TRANSFORMER R803 0RN3903G409 390K OHM 1/4 W 1% R805 0RN3303G409 330K OHM 1/4 W 1.00% 0LA0102K119 INDUCTOR,10UH K R806 0RN3903G409 390K OHM 1/4 W 1%...
  • Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION SW03 140-313B SWITCH,TACT 2LEAD 160G(TA) T432 6200QJ3001A FILTER,EMC BMS400 25V 200MA SW04 140-313B SWITCH,TACT 2LEAD 160G(TA) T434 6200QJ3001A FILTER,EMC BMS400 25V 200MA SW05 140-313B SWITCH,TACT 2LEAD 160G(TA) T447 6200QJ3001A FILTER,EMC BMS400 25V 200MA...
  • Page 37 Jan., 2004 P/NO : 3828VD0148S Printed in Korea...
  • Page 43 PRINTED CIRCUIT BOARD TUNER(TOP) COMPONENT(TOP) DIGITAL(TOP) MAIN(BOTTOM) MAIN(TOP) DIGITAL(BOTTOM) COMPONENT(BOTTOM) TUNER(BOTTOM) POWER(SMPS) SUB EPOXY DRIVER(TOP) CONTROL(TOP) SIDE A/V CONTROL(BOTTOM) LED(TOP) PRE-AMP DRIVER(BOTTOM) LED(BOTTOM) INTERFACE LINE FILTER CASE SW...

This manual is also suitable for:

Ru-52sz51d

Table of Contents