LG RU-44SZ80L Service Manual
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- Owner's manual (60 pages) ,
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- Service manual (43 pages)
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Owner's Manual
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Table of Contents
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Summary of Contents for LG RU-44SZ80L
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Page 1: Lcd Projection Tv
CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html LCD PROJECTION TV SERVICE MANUAL CHASSIS : MB-042B MODEL : RU-44SZ80L CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Safety Precautions
If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1MΩ and 5.2MΩ. When the exposed metal has no return path to the chassis the CANADA: LG Electronics Canada, Inc. 550 Matheson reading must be infinite. Boulevard East Mississauga, Ontario L4Z 4G3 An other abnormality exists that must be corrected before the receiver is returned to the customer. -
Page 3: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS..............4 DESCRIPTION OF CONTROLS ...........5 ADJUSTMENT INSTRUCTION...........12 PRINTED CIRCUIT BOARDS ..........15 BLOCK DIAGRAM...............26 EXPLODED VIEW...............28 EXPLODED VIEW PARTS LIST .........29 REPLACEMENT PARTS LIST ..........30 SCHEMATIC DIAGRAM............- 3 -... -
Page 4: Specifications
SPECIFICATIONS Product Specifications Model Horizontal Size (Inches) 39.2 Height (Inches) 29.2 Depth (Inches) 14.4 Weight (lbs.) 50.7 Power Requirement AC 120V, 60Hz Television System American TV Standard, NTSC, ATSC with STB Television Channels VHF: 2 - 13 UHF: 14 - 69 CATV: 1 - 125 Power Consumption (W) 220W... -
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 LCD 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 TV turns on. - Page 6 DESCRIPTION OF CONTROLS Rear Connections Panel Connecting cables and external equipment to your TV. Fan Cover Replace or clean the filter to prevent a dust every 1~3 months. When clean- ing or replacing the filter, certainly turn the power off. The dust filter must be washed in tepid water with netural detergent.
- Page 7 DESCRIPTION OF CONTROLS Side Connection Panel There are four jacks on the left side 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 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 9 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 SIDE 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 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 11 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 Lamp indicator. on-screen menus.
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Page 12: Adjustment Instruction
ADJUSTMENT INSTRUCTIONS 1. Application Object 4. NRS Adjustment This instruction is for the application to the LCD projection When the LCD panel load data on regular pixel using high speed TV(MB-042B Chassis). charge/discharge with sample & holder, the drain width of TFT gradually decreases and the non-resistance increases, and comes out regular noise on screen(shows vertical line by 12 pixel) -
Page 13: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 6. Component 2 Offset Adjustment 7-3. Adjustment Sequence (1) Output the 255,255,255 signal of VDP Test Pattern, then dis- 6-1. Required Test Equipment play the maximum white pattern on screen. (2) Gamma Adjust Mode is display as below when select 4. Remote control for adjustment, 802F Gamma adjust by selecting ADJ key on R/C. - Page 14 ADJUSTMENT INSTRUCTIONS 8. Brightness Adjustment of Main/Sub Screen (1) Receive signal(RF 06Ch.) on the Main/Sub screen in the twin picture. (2) Confirms picture probably is the normal. (3) Check the “US06CH” with naked eyes in 06Ch. pattern and if there is difference, make the adjustment so that the field and the letters are distinguished.
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Page 15: Printed Circuit Boards
PRINTED CIRCUIT BOARD MAIN(TOP) - 15 -... - Page 16 PRINTED CIRCUIT BOARD MAIN(BOTTOM) - 16 -...
- Page 17 PRINTED CIRCUIT BOARD TUNER(TOP) - 17 -...
- Page 18 PRINTED CIRCUIT BOARD TUNER(BOTTOM) - 18 -...
- Page 19 PRINTED CIRCUIT BOARD DRIVER(TOP) - 19 -...
- Page 20 PRINTED CIRCUIT BOARD DRIVER(BOTTOM) - 20 -...
- Page 21 PRINTED CIRCUIT BOARD DIGITAL(TOP) - 21 -...
- Page 22 PRINTED CIRCUIT BOARD DIGITAL(BOTTOM) - 22 -...
- Page 23 PRINTED CIRCUIT BOARD SMPS AC INPUT - 23 -...
- Page 24 PRINTED CIRCUIT BOARD CRM(TOP) CRM(BOTTOM) SIDE A/V - 24 -...
- Page 25 PRINTED CIRCUIT BOARD CONTROL(TOP) CONTROL(BOTTOM) INTERFACE CASE DET PRE-AMP - 25 -...
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Page 26: Block Diagram
BLOCK DIAGRAM - 26 -... - Page 27 NOTES - 27 -...
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Page 28: Exploded View
EXPLODED VIEW - 28 -... -
Page 29: Exploded View Parts List
PCB ASSEMBLY,SUB CONT MB042A 80L CONTROL 6871VSME03D PCB ASSEMBLY,SUB MB042A 80L CASE DET 6871VSN220B PCB ASSEMBLY,SUB MB042A SIDE AV DN-44SZ80L 3500V00061J BOARD,AV RU-44SZ80L NB042A ZENITH 6871VSME82A PCB ASSEMBLY,SUB INTER MB042A DN-44SZ80L 6871VPMA47A PCB ASSEMBLY,POWER SMPS NB-042A RU-44SZ80L AC INPUT MI - 29 -... -
Page 30: Replacement Parts List
0IMI623200B M62320FP 16P IC1001 IC502 0ITI740000Q SN74LVC00AD 14SOP R/TP LOGIC DTV IC1001 0ICTMMI057A M37151EFFP 42P MICOM 0ICTMLG013A LGDT1901A LG IC 24P SSOP TRAY DPLL IC503 IC1002 0IKE704200J KIA7042AF SOT89 TP 4.2V IC504 0IMMRHY033A HY57V643220C(L)T6 86P 64M 0IAL242561B IC1003 AT24C256W10SI2.7V 8P... - Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION KDS184S CHIP 85V 300MA Q1208 0TR150400BA CHIP 2SA1504S(ASY) KEC 0DD184009AA 0TR387500AA CHIP 2SC3875S(ALY) KEC 0DRSE00038A SDC15 TVS SOT23 12.8V Q1209 D100 Q1210 0TR150400BA CHIP 2SA1504S(ASY) KEC D100 0DRDI00148A B140A DIODES R/TP SMA 40V Q1211...
- Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0.01UF 1608 50V 10% ZD600 0DZ560009CF ZENERS,MTZJ5.6B C1058 0CK103CK56A 0DZ560009CF ZENERS,MTZJ5.6B 0CK103CK56A 0.01UF 1608 50V 10% ZD601 C1059 ZD839 0DZ300009BB ZENERS,MTZJ30B C1060 0CK103CK56A 0.01UF 1608 50V 10% 0DZ620009BB ZENERS,MTZJ6.2B C1061...
- Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 47UF MV 25V 20% 0.01UF 1608 50V 10% C1139 0CE476VH6DC C1191 0CK103CK56A 0CK103CK56A 0.01UF 1608 50V 10% 0CE476VH6DC 47UF MV 25V 20% C1140 C1192 C1141 0CK103CK56A 0.01UF 1608 50V 10% C1193 0CK103CK56A 0.01UF 1608 50V 10%...
- Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 1UF 2012 16V 20% 4.7UF STD 50V 20% C1244 0CK105DF64A C223 0CE475DK618 0CE476SF6DC 47UF MVG 16V M 0CE476SF6DC 47UF MVG 16V M C1246 C224 C1249 0CE476SF6DC 47UF MVG 16V M C225 0CE475DK618 4.7UF STD 50V 20%...
- Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 220UF STD 16V M 0CE227DF618 C820 181-001K CE 450V 220UF M LUG(105) 0CE107DD618 100UF STD 10V M C822 0CE476SF6DC C703 47UF MVG 16V M C705 0CE227DF618 220UF STD 16V M C824 0CE106SF6DC 10UF MVG 16V 20%...
- Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L100 6140VB0023A COIL,CHOKE SB7032751 GET 750UH AR1025 0RR0472C62A 47 OHM 1 / 16 W 1608 5.00% COIL,CHOKE LQH31CN4R7M01L 4.7UH 47 OHM 1 / 16 W 1608 5.00% L1003 6140VB0003A AR1026...
- Page 37 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 220 OHM 1/6 W 5.00% 0RD2200F609 R875 0RD1002F609 10K OHM 1/6 W 5% 0RD0102F609 10 OHM 1/6 W 5% 0RD1001F609 1K OHM 1/6 W 5% R876 R722 0RF0331H609 3.3 OHM 1/2 W 5.00% R877...
- Page 38 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION FL133 6200J000012 FILTER,EMC NFL21SP207X1C3 “ 3828VA0465F MANUAL,OWNERS *LGECI 6200J000012 FILTER,EMC NFL21SP207X1C3 FL134 6710V00102L REMOTE CONTROLLER FL135 6200J000012 FILTER,EMC NFL21SP207X1C3 FL136 6200J000012 FILTER,EMC NFL21SP207X1C3 FL139 6200J000012 FILTER,EMC NFL21SP207X1C3 FILTER,B.P.
- Page 39 April, 2004 P/NO : 3828VD0183B Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Customer Interactive Center P.O.Box 240007, 201 James Record Road Huntsville, AL 35824 ATTN : CIC...