LG RU-52SZ30 Service Manual

Lcd projection tv
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LCD PROJECTION TV
SERVICE MANUAL
CHASSIS : NB-03JA
MODEL : RU-52SZ30 RU-60SZ30
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

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Summary of Contents for LG RU-52SZ30

  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD PROJECTION TV SERVICE MANUAL CHASSIS : NB-03JA MODEL : RU-52SZ30 RU-60SZ30 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS ............2 SAFETY PRECAUTIONS .
  • 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 instruments covered by this service manual and 3. The components used in the unit have a specified flame resistance and its supplements, read and follow the SAFETY PRECAUTIONS section of this dielectric strength.
  • Page 5: Description Of Controls

    All manuals and user guides at all-guides.com 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 LCD projection TV. Operation Indicator Temperature Indicator Lamp Indicator Power cord is not connected.
  • Page 6 All manuals and user guides at all-guides.com 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. TV 13 PIP Display MONO...
  • Page 7 Menu Enter (Same as ENTER button on your remote control) VOLUME UP / DOWN CHANNEL UP / DOWN Operation indicator. Lamp indicator. Temperature indicator. RU-52SZ30 power menu enter power menu enter RU-60SZ30 See menu pages for instructions on using the on-screen menus.
  • Page 8 All manuals and user guides at all-guides.com 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.
  • Page 9 All manuals and user guides at all-guides.com 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 10 All manuals and user guides at all-guides.com Rear Connections Panel Connecting cables to your TV. 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. RGB INPUT S-VIDEO In PC/DTV...
  • Page 11 All manuals and user guides at all-guides.com Front Connection Panel There are four jacks on the left front side behind the screen on your projec- tion 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 12: Specification

    Supplied accessories Remote control, batteries 2 size AA (Alkaline battery) Screen Aspect Ratio 16 x 9 LCD Panel Size 0.87 inch (RU-52SZ30), 1.21 inch (RU-60SZ30) External input ports Video input (3 set) Video output (1 set) S-Video input (2) Component input (2 set)
  • Page 13: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object (6) SUB menu composition of each adjustment mode Adjust Mode : RGB Alignment Step 123:1 This instruction is for the application to the LCD projection TV. 10. H_Position 315/315/315 Micom:V0.50 SubMicom:V01.31...
  • Page 14 All manuals and user guides at all-guides.com 4) Select 4. 62352, then ready to adjust 6. RNRSH, 9. 5. Assembling Adjustment GNRSH and 11. BNRSH. 5) Let’s decrease vertical line Noise by using Volume button. 5-1. Screen Tilt & Keystone Adjustment (Input a R, G, B input signal, then adjust it individually) 6) When finishing the adjustment, get out of adjustment mode (1) Required Test Equipments...
  • Page 15 All manuals and user guides at all-guides.com 3) Select 10. H_position with channel key in adjust mode. 2) Pattern Generator 1EA —> 16 step Gray Pattern, 64 step 4) Adjust data with using the left/right key on the remote con- Gray Pattern trol in order to be left/right semmetry screen.
  • Page 16 All manuals and user guides at all-guides.com 8) As shown above, output the VDP Test Pattern sig- 6. Mode : uniformity mode select --- adjustable if need nal(208/192/176/160/144/128/112/96/80/64/48/32/16) and *** 0 : 221point & 3level ---- defalut value change the RGB Data value of each step to come out *** 1 : 221point &...
  • Page 17 All manuals and user guides at all-guides.com 29. RLMIN : Setting up the MINIUM Level of R --- Set under <L Coefficient Calculation Method> Using 3coefficient Level Assume that the value of R/G/B MIN, MID2,MID1 is 192, 448, 30. RLMID2 : Setting up the MIDDLE 2nd Level of R --- 704.
  • Page 18 All manuals and user guides at all-guides.com At this time, make sure that deviation is +5~-5% and stan- dard is color coordinate of center. 5) White the miner, middle, maximum data for each point to confront to each MICOM address. 5-6.
  • Page 19: Replacing The Lamp

    All manuals and user guides at all-guides.com REPLACING THE LAMP * Connect your dealer or LG service center for replacing of new lamp. You must replace the lamp when: The projector image get darker or start to be deteriorated. Ø...
  • Page 20: Block Diagram

    All manuals and user guides at all-guides.com Block Diagram - 20 -...
  • Page 21 All manuals and user guides at all-guides.com - 21 -...
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  • Page 24: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW(RU-52SZ30) - 24 -...
  • Page 25: Exploded View Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Description Part No. 120-D38E SPEAKER,MID-RANGE LG FOSTER 8 OHM 15/25W 87DB 12 6400VG0001B SPEAKER,TWEETER NO FOSTER 8 OHM 20W/30W XX D77 3110V00123A CASE,SPEAKER BOX LEFT 3550V00159A COVER,SPEAKER BOX LEFT...
  • Page 26 All manuals and user guides at all-guides.com EXPLODED VIEW(RU-60SZ30) - 26 -...
  • Page 27 All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Description Part No. 120-D38E SPEAKER,MID-RANGE LG FOSTER 8 OHM 15/25W 87DB 12 6400VG0001B SPEAKER,TWEETER NO FOSTER 8 OHM 20W/30W XX D77 3110V00123A CASE,SPEAKER BOX LEFT 3550V00159A COVER,SPEAKER BOX LEFT...
  • Page 28: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST RUN DATE : 2003.7.4 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION SN74LVC00AD 14SOP R/TP LOGIC DTV IC303 0ITI740000Q IC304 0IMMRHY033A HY57V643220C(L)T6 86P TSOP TRAY 64M IC01 0IMI623200B M62320FP 16P SOP TP I/O EXPANDER IC305 0IMMRHY033A...
  • Page 29 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC 0TR387500AA Q210 0TR387500AA Q100 0TR830009BA BSS83 Q211 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1001 0TR387500AA CHIP 2SC3875S(ALY) KEC Q500 0TR150400BA CHIP 2SA1504S(ASY) KEC Q1002...
  • Page 30 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION EU1ZV(1) TP SANKEN 47UF MV 16V 20% D820 0DD100009AM C105 0CE476VF6DC D821 0DD100009AM EU1ZV(1) TP SANKEN C1055 0CE106VF6DC 10UF MV 16V 20% D822 0DD100009AM EU1ZV(1) TP SANKEN C106...
  • Page 31 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 32 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 33 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 34 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 35 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 36 All manuals and user guides at all-guides.com July, 2003 P/NO : 3828VD0148C Printed in Korea...
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  • Page 42 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD TUNER(TOP) COMPONENT(TOP) COMPONENT(BOTTOM) MAIN(BOTTOM) MAIN(TOP) DIGITAL(TOP) TUNER(BOTTOM) SMPS DIGITAL(BOTTOM) DRIVER(TOP) DRIVER(BOTTOM) CONTROL(TOP) INTER(LCD PJTV) SIDE A/V CONTROL(BOTTOM) LED(TOP) PRE-AMP BALLAST INT. LED(BOTTOM)

This manual is also suitable for:

Ru-60sz30

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