LG RT-52SZ30RB Service Manual
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LG RT-52SZ30RB Service Manual

LG RT-52SZ30RB Service Manual

Lcd projection tv
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P/NO : 3828VD0133G
All manuals and user guides at all-guides.com
Jul.,2003
Printed in Korea
e-mail:http://www.LGEservice.com/techsup.html
LCD Projection TV
SERVICE MANUAL
CHASSIS : MB-03CA
MODEL : RT-52SZ30RB/RP
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
ON/OFF
TV/AV
MENU
OK
VOL
PR
website:http://biz.LGservice.com

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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 LCD Projection TV SERVICE MANUAL CHASSIS : MB-03CA MODEL : RT-52SZ30RB/RP CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Jul.,2003 P/NO : 3828VD0133G Printed in Korea ON/OFF...

  • 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 SPECIFICATIONS ......................10 ADJUSTMENT INSTRUCTIONS ..................14 BLOCK DIAGRAM......................20 PRINTED CIRCIUT BOARD ...................25 EXPLODED VIEW ......................34 EXPLODED VIEW PARTS LIST ..................35 REPLACEMENT PARTS LIST ..................36 SVC.

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com SAFETY PRECAUTIONS IMPORT ANT 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

    9. PSM (Picture Status Memory) recalls your preferred picture setting. 10. I/II selects the language during dual language broadcast. selects the sound output. 11. VCR BUTTONS control a LG video cassette recorder. - 6 -...
  • Page 7 All manuals and user guides at all-guides.com 12. TV/AV selects the remote operating mode. switches the set on from standby. 13. SLEEP sets the sleep timer. POWER 14. TELETEXT BUTTONS These buttons are used for teletext. MULTIMEDIA TV/AV For further details, see the ‘Teletext’ section. MUTE SLEEP 15.
  • Page 8 All manuals and user guides at all-guides.com Front panel Lamp indicator, operation indicator, and temperature indicator, located below the front panel con- trols reveal the operating status of the LCD projection TV. ON/OFF ON/OFF TV/AV MENU TV/AV MENU 1. MAIN POWER (ON/OFF) 7.
  • Page 9 All manuals and user guides at all-guides.com Rear panel A/V 3 INPUT S-VIDEO INPUT SOCKET AV3 INPUT SOCKET A/V 3 INPUT SIDE A/V SIDE A/V ANT IN 75Ω RGB1 PC/DTV (XGA /480p /720p /1080i) RGB1,2 PC/DTV (XGA /480p /720p /1080i) DTV/DVD RGB2 (480i/480p/720p/1080i)

  • Page 10: Specifications

    China - RP :W/O Teletext Moroco option Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc requirement Safety: Follow the standard of CB EMC : Follow the standard of CE Test Condition 1) Temperature :25¡ 5 °C 2) Relative Humidity:65¡...
  • Page 11 All manuals and user guides at all-guides.com Feature and Function Specification Remark Item Unit REMOCON LG Code RGB Input Separate D-Sub 15 Pin RGB Audio (L, R) Input Center Speaker Mode Input Component Audio (R, L) Input Y, P Component Input...
  • Page 12 All manuals and user guides at all-guides.com Specification Remark Item Unit DC Voltage, Digital, 5V DC Voltage, Turning voltage DC Voltage, LCD Driver, 5V DC Voltage, LCD Driver, 17.5V 11.5 12.5 DC Voltage 3.3, SUB MICOM DC Voltage 2.5V, SUB MICOM DC Voltage, FAN 11.5 12.5...
  • Page 13 All manuals and user guides at all-guides.com Option Specification Remark Item Unit 0 : Standard Volume Curve 1 : Non-Standard (Southeast Asia,Central America) 0 : Support FLOP Text Top 1 : Support All (FLOP + TOP) 0 : Do not save DUAL When converting Channel I_II SVC 1 : Save DUAL when Converting Channel 0 : OSRAM...

  • Page 14: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 4. LCD adjustment This instruction is for the application to the LCD Projection 4-1. NRS adjustment [When the LCD pannel load data on regular pixel using high 2. Notes speed charge/ discharge with sample &...
  • Page 15 All manuals and user guides at all-guides.com Optical measuring equipment Adjustment Connector for RS-232C Adjustment Cable PC Pattern Generator <Fig 2.TV set status Adjustment> (3)Preparation for Adjustment 1) Connect the PC PATTERN GENERATOR, circuit for adjustment and adjustment JIG as shown <Fig 2>. 2) Adjust output pattern of PC PATTERN GENERATOR to <Fig 4.
  • Page 16 All manuals and user guides at all-guides.com (4) Component & RGB Mode White Balance passivity 6-2. Screen Position Adjustment adjustment 1) After inputting the 16 Gray pattern (RGB or Component), (1) Required Test Equipments check the White Balance status of Low Level (2-6 Gray A remote control of adjustment Level).
  • Page 17 All manuals and user guides at all-guides.com (3) Preparation for Adjustment Gamma Adjust * First column : R adjustment data display 1) Composite the equipment as shown Fig.2, and place the set on fixation stand. * Second column : G adjustment 2) After inputting company channel 13, adjust colour uniformity data display like Horizontal/ Vertical position adjustment of input signal...
  • Page 18 All manuals and user guides at all-guides.com 27. BL3H : Upper 9bit of MAX brightness correction coefficient 14. RL2L : Lower 9bit of MID1 brightness correction coefficient in R MID2. in B MID1. --- Change according to RMID2 and RMID1 value. --- Change according to BMID1 and BMAX value.
  • Page 19 All manuals and user guides at all-guides.com 4) Output the VDP TEST PATTERN signal correspond to the MIN value. Read the white coordinate and communicate with ET7050 IC through measurement equipment of optics. Adjust screen coordinates data to adjust the color uniformity of miner point.

  • Page 20: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM 1. Video Input Path - 20 -...
  • Page 21 All manuals and user guides at all-guides.com 2. Syns I/O Path - 21 -...
  • Page 22 All manuals and user guides at all-guides.com 3. Audio Input Path - 22 -...
  • Page 23 All manuals and user guides at all-guides.com 4. Control Signal Connection Diagram- IIC - 23 -...
  • Page 24 All manuals and user guides at all-guides.com 5. General Control Signal - 24 -...

  • Page 25: Printed Circiut Board

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN (TOP) - 25 -...
  • Page 26 All manuals and user guides at all-guides.com MAIN (BOTTOM) - 26 -...
  • Page 27 All manuals and user guides at all-guides.com COMPONENT (TOP) COMPONENT (BOTTOM) SIDE A/V AC INPUT PRE-AMP - 27 -...
  • Page 28 All manuals and user guides at all-guides.com LCD DRIVER (TOP) CONTROL - 28 -...
  • Page 29 All manuals and user guides at all-guides.com LCD DRIVER (BOTTOM) - 29 -...
  • Page 30 All manuals and user guides at all-guides.com DIGITAL (BOTTOM) DIGITAL (BOTTOM) - 30 -...
  • Page 31 All manuals and user guides at all-guides.com TUNER (TOP) TUNER (BOTTOM) - 31 -...
  • Page 32 All manuals and user guides at all-guides.com SMPS POWER S/W INTERFACE BALLAST - 32 -...
  • Page 33 All manuals and user guides at all-guides.com MEMO - 33 -...

  • Page 34: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 34 -...

  • Page 35: Exploded View Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Part No. Description 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...

  • Page 36: Replacement Parts List

    6620VF3201A IC, 822473-3 AMP 32PIN 2.54MM NIKEL PLCC D101 0DD184009AA DIODE,SWITCHING KDS184S 85V 300MA KEC TP IC301 0ICTMLG003C IC, LGDT1502M LG IC 304P QFP D102 0DD184009AA DIODE,SWITCHING KDS184S 85V 300MA KEC TP IC301 0ISO211900A IC, CXA2119M 28P,SOP TP VIDEO SWITCHING...
  • Page 37 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0DD184009AA DIODE,SWITCHING KDS184S 85V 300MA KEC TP ZD12 0DR050008AA DIODE, RECTIFIERS SOD323 5V 5A 15A 0DD184009AA 0DZ620009BB DIODE, 2B TP ROHM-K DO34 0.5W 6.2V 5UA D200 DIODE,SWITCHING KDS184S 85V 300MA KEC TP D201...
  • Page 38 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 39 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 40 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 41 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 42 P003B CONNECTOR, 1.25MM 8PINP 53261-0890 JPN-MOLEX L211 0LC1032101A INDUCTOR, 22UH 10% 3216 R/TC FI-D3216-223KJT P003B 366-169G CONNECTOR, 2.0MM 8P GIL-S LG CABLE S L212 0LC1032101A INDUCTOR, 22UH 10% 3216 R/TC FI-D3216-223KJT P003C 366-169G CONNECTOR, 2.0MM 8P GIL-S LG CABLE S...
  • Page 43 PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION P401 366-922E CONNECTOR, 2.5MM 6P GIL-G LG CABLE R/A AR1209 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES 366-921L CONNECTOR, 2.5MM 12P GIL-G LG CABLE. 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES...
  • Page 44 FILTER FILTER,EMI REEL/TAPING BMS400 NIGATA 25V 200MA SWITCH T423 6200QJ3001A FILTER FILTER,EMI REEL/TAPING BMS400 NIGATA 25V 200MA SW01 140-315A SWITCH, TACT SKHV17910B LG C&D NON 12V T424 6200VJT006A FILTER STC222D NIIGATA 50VOLT 4A 2200PF SW02 140-315A SWITCH, TACT SKHV17910B LG C&D NON 12V...
  • Page 45 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION ACCESSORIES 3828VA0401R MANUAL,OWNERS MB03CA AP LG EN 100E TX 395A 3828VA401P MANUAL,OWNERS MB03CA NEU LG AR/EN/FR 6710V00100E REMOTE CONTROLLER NB03JA MONO MISCELLANEOUS F800 0FS5001B51D FUSE,SLOW BLOW 5000MA 250 V 5.2X20 CY/GL...
  • Page 46 All manuals and user guides at all-guides.com P/No : 3854VA0117A-S1(1/2) 2003.6.21...
  • Page 47 All manuals and user guides at all-guides.com P/No : 3854VA0117A-S1(2/2) 2003.6.21...
  • Page 48 All manuals and user guides at all-guides.com P/No : 3854VA0117A-S2(1/2) 2003.6.21...
  • Page 49 All manuals and user guides at all-guides.com P/No : 3854VA0117A-S2(2/2) 2003.6.21...

  • Page 50: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0117A-S1 SVC. SHEET : 3854V A0117A-S2 SVC. SHEET :...

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