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P/NO : 3828VD0133G
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.
TV/AV
MENU
OK
VOL
PR
ON/OFF
website:http://biz.LGservice.com
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Table of Contents
Related Manuals for LG RT-52SZ30RB
Summary of Contents for LG RT-52SZ30RB
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Page 1: Lcd Projection Tv
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 TV/AV MENU ON/OFF... -
Page 2: Table Of Contents
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. SHEET ........................- 2 -... -
Page 3: Safety Precautions
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
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. incidence of component damage caused by static by static NOTE: If unforeseen circumstances create conflict between the electricity. - Page 5 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. Clip each fuse or resistor lead at top of the circuit board component lead and the foil.
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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: Used For Teletext Function
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: Front Panel
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. OPERATION INDICATOR (Refer to p.7) switches the set on or off. -
Page 9: Rear Panel
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) ANT IN 75Ω PC/DTV INPUT AERIAL SOCKET SOCKETS PC/DTV INPUT... -
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 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 Component Input Y, P AV Input (1 Side / 2Rear)
- Page 12 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 External Interface Specification Remark Item...
- Page 13 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 Lamp_Type...
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Page 14: Adjustment Instructions
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 & holder, the drain width (1) The power source insulation of this LCD Projection is not of TFT gradually dicreases and the non-resistance increases, charging type and you may not use the transformer for... - Page 15 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 (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 * First column : R adjustment data (3) Preparation for Adjustment Gamma Adjust 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 like Horizontal/ Vertical position adjustment of input signal data display part adjustment by using remote control for adjustment.
- Page 18 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 BMID1 and BMAX value. --- Change according to RMID2 and RMID1 value. 15.
- Page 19 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. At this time, make sure that deviation is +5~-5% and standard is color coordinate of center.
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Page 20: Block Diagram
BLOCK DIAGRAM 1. Video Input Path - 20 -... - Page 21 2. Syns I/O Path - 21 -...
- Page 22 3. Audio Input Path - 22 -...
- Page 23 4. Control Signal Connection Diagram- IIC - 23 -...
- Page 24 5. General Control Signal - 24 -...
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Page 25: Printed Circiut Board
PRINTED CIRCUIT BOARD MAIN (TOP) - 25 -... - Page 26 MAIN (BOTTOM) - 26 -...
- Page 27 COMPONENT (TOP) COMPONENT (BOTTOM) SIDE A/V AC INPUT PRE-AMP - 27 -...
- Page 28 LCD DRIVER (TOP) CONTROL - 28 -...
- Page 29 LCD DRIVER (BOTTOM) - 29 -...
- Page 30 DIGITAL (BOTTOM) DIGITAL (BOTTOM) - 30 -...
- Page 31 TUNER (TOP) TUNER (BOTTOM) - 31 -...
- Page 32 SMPS POWER S/W INTERFACE BALLAST - 32 -...
- Page 33 MEMO - 33 -...
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Page 34: Exploded View
EXPLODED VIEW - 34 -... -
Page 35: Exploded View Parts List
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 COVER, SPEAKER BOX LEFT 3110V00124A CASE, SPEAKER BOX RIGHT... -
Page 36: Replacement Parts List
6620VF3201A IC, 822473-3 AMP 32PIN 2.54MM NIKEL PLCC D101 0DD184009AA DIODE,SWITCHING KDS184S 85V 300MA KEC TP 0ICTMLG003C IC301 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 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 DIODE, 2B TP ROHM-K DO34 0.5W 6.2V 5UA D200 0DD184009AA DIODE,SWITCHING KDS184S 85V 300MA KEC TP 0DZ620009BB 0DD184009AA 0DZ620009BB...
- Page 38 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 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 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 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 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 CONNECTOR, 2.5MM 12P GIL-G LG CABLE. 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 140-315A SWITCH, TACT SKHV17910B LG C&D NON 12V 6200VJT006A...
- 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 P/No : 3854VA0117A-S1(1/2) 2003.6.21...
- Page 47 P/No : 3854VA0117A-S1(2/2) 2003.6.21...
- Page 48 P/No : 3854VA0117A-S2(1/2) 2003.6.21...
- Page 49 P/No : 3854VA0117A-S2(2/2) 2003.6.21...
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Page 50: Svc. Sheet
SVC. SHEET : 3854V A0117A-S1 SVC. SHEET : 3854V A0117A-S2 SVC. SHEET :...