Table of Contents
Related Manuals for LG RT-44SZ60DB
Summary of Contents for LG RT-44SZ60DB
- Page 1 DLP Projection TV SERVICE MANUAL CHASSIS : MB-03CC MODEL : RT-44SZ60DB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS CONTENTS ........................2 SAFETY PRECAUTIONS ....................3 SERVICING PRECAUTIONS ..................4 CONTROL DESCRIPTIONS ....................6 SPECIFICATIONS ......................10 ADJUSTMENT INSTRUCTIONS ..................14 BLOCK DIAGRAM......................18 PRINTED CIRCIUT BOARD ...................22 EXPLODED VIEW ......................32 EXPLODED VIEW PARTS LIST ..................33 REPLACEMENT PARTS LIST ..................34 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
CONTROL DESCRIPTIONS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset POWER Before you use the remote control handset, please install the bat- teries. - Page 7 18. I/II selects the language during dual language broadcast. selects the sound output. 19. VCR BUTTONS control a LG video cassette recorder. Note : In teletext mode, the PR +/-, SWAP and INPUT buttons are used for teletext function. Battery installation The remote control handset is powered by two AAA type batteries.
- Page 8 Front panel Lamp indicator, operation indicator, and temperature indicator, located below the front panel con- trols reveal the operating status of the set. TV/AV MENU 7 8 9 1. MAIN POWER (ON/OFF) 7. OPERATION INDICATOR (Refer to p.7) switches the set on or off. 8.
- Page 9 Rear panel AUDIO AV3 INPUT SOCKET (L)/ MONO VIDEO S-VIDEO S-VIDEO INPUT ANT IN 75½ SOCKET PC/DTV INPUT COMPONENT COMPONENT INPUT 1 INPUT 2 576i/480i 576i/480i (XGA/ 576p/480p 576p/480p 576p/ 720p/ 720p/ 1080i 1080i 480p/ 720p/ 1080i) AUDIO S-VIDEO A/V 1 A/V 2 MONITOR INPUT...
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Page 10: Specifications
Scope This specification can be applied to the DLP Projection(RT-52SZ60DB) Test and Inspection Method 1) performance:Follow the Standard of LG DND test 2) Standards of Extra requirement Safety: Follow the standard of CB EMC : Follow the standard of CE Test Condition 1) Temperature :25¡... - Page 11 Feature and Function Item Specification Remark REMOCON NEC Code(Unified) Audio/ Video 1) RF Input 2) A/V Input 3group(Side 1/ Rear 2) Component input format : 3) S- Video Input 2group(Side 1/ Rear 1) 480i/p(60Hz), 576i/p(50Hz), 4) A/V Monitor Output 1group(Rear) 720p(50/60Hz), 1080i(50/60Hz) 5) Component YPbPr/ Audio Input 2group(Rear) PC input format...
- Page 12 Specification Remark Item Unit DC Voltage, Digital/ DLP Board 2.5V DC Voltage, Digital/ DLP Board .3.3V DC Voltage, Digital/ DLP Board 5.0V DC Voltage, DLP Driver, 12V 11.5 12.5 DC Voltage,Tuning Voltage DC Voltage,MICOM DC Voltage, FAN 11.5 12.5 External Interface Specification Remark Item...
- Page 13 Option Specification Remark Item Unit Volume Curve 0 : Slow Volume Curve 1 : Fast Volume Curve Text Top 0 : FLOP 1 : TOP I_II SVC 0 : No Save 1 : Save Lamp_Type 0 : OSR1 1 : OSR2 / Philips C_Mute 0 : Over modulation correspondence Off 1 : Over modulation correspondence On...
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Page 14: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 1. Application Object 4. Driver Board Bin Setting See Bias Voltage Bin on the DMD as shown Fig 2 and adjust This instruction is for the application to the DLP Projection the switch on the lower Driver Board as shown Fig 3. 2. - Page 15 ¤ŒThe magnified pattern for checking the focus adjustment <Fig 5> (2) After adjustment the illuminator, adjust the focus using the focus adjustment screw of projection lens. After fasten the 6. Caution for DMD(Digital Micro-mirror nut tightenly, inject the resilock. Device) (1) Caution for DMD ESD You connect the grounding to prevent ESD ¤...
- Page 16 (2) Adjustment Sequence 1) After program running, displayed [OPTION MODE SELECTION] window. Check the ÒLoad configuration File(.cdf, .pdr)Ó in this window and click the finish button 2) When the screen displays the open window, select the suitable file(*.cdf) according to model. <Fig11 720P/50Hz HozTVBar Pattern>...
- Page 17 (3) Adjustment Sequence 1) Using the Volume key, adjust CWI to the left/right 2) As adjustment, check the appearance noise in the TEST Pattern. Setting the value reduced 3~4 step at a GREEN noise disappearing spot.<fig 14> 3) Using CH UP/DOWN key of th remote control, enter the RED PATTERN<fig 15>.
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Page 18: Block Diagram
BLOCK DIAGRAM - 18 -... - Page 19 - 19 -...
- Page 20 - 20 -...
- Page 21 - 21 -...
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Page 22: Printed Circiut Board
PRINTED CIRCUIT BOARD MAIN (TOP) - 22 -... - Page 23 MAIN (BOTTOM) - 23 -...
- Page 24 COMPONENT (TOP) TACT S/W(TOP, BOTTOM) COMPONENT (BOTTOM) - 24 -...
- Page 25 AC INPUT LED ( TOP, BOTTOM ) - 25 -...
- Page 26 DLP DRIVER (TOP) DLP DRIVER (BOTTOM) - 26 -...
- Page 27 DIGITAL (TOP) DIGITAL (BOTTOM) - 27 -...
- Page 28 TUNER (TOP) - 28 -...
- Page 29 TUNER (BOTTOM) - 29 -...
- Page 30 SMPS INTERFACE POWER S/W WHEEL SENSOR( TOP ) WHEEL SENSOR( BOTTOM ) PRE-AMP 44Ó CASE S/W SIDE A/V - 30 -...
- Page 31 MEMO - 31 -...
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Page 32: Exploded View
EXPLODED VIEW - 32 -... -
Page 33: Exploded View Parts List
SPEAKER, TWEETER D016D01K1450 ESTEC TWEETER(DOME) 8HMOHM 15/25W 85DB 50 174-322E POWER CORD, POWER W/FILTER L=400(179B) RT-44SZ60DB.AFLLKP 6410VHH002A POWER CORD, KJP-170F KUKJE SAA 2200MM HOUSING L1-400 BLACK RT-44SZ60DB.AHLLKG 3091V00582E CABINET ASSEMBLY, RT-44SZ60DB MB03CC . 5020V00870B BUTTON, CONTROL DN-52SZ60D ABS, HF-380 7KEY . -
Page 34: Replacement Parts List
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC701 0IMMRAL015C AT49BV8192A-90TI IC702 0IMCRFA003A KA2903 FAIRCHILD 8SOP 0IMCRSH003A GP2S40 SHARP 4P DIP IC705 0IMCRAL006A AT24C16AN-10SI-2.7 0IPRPTO002A TC7S14F(T5L,T) IC800 0IMMRSS053B K4R271669F-TCS8 0ISM555000A SDA5550 MQFP100 IC801 0IMCRTI014A CDCR83 IC1000 0IMI623200B M62320FP,I/O EXPANDER 16P... - Page 35 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q110 0TR387500AA CHIP 2SC3875S(ALY) KEC Q304 0TR150400BA CHIP 2SA1504S(ASY) KEC Q111 0TR387500AA CHIP 2SC3875S(ALY) KEC Q400 0TRKE80038A KTC3552T-RTK KEC Q112 0TR387500AA CHIP 2SC3875S(ALY) KEC Q501 0TR102009AG CHIP KRC102S KEC Q113 0TR387500AA CHIP 2SC3875S(ALY) KEC Q501...
- Page 36 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 37 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 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 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L705 0LCML00003B MLB-201209-0120P-N2 5A T504 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 L800 0LCML00004A MLB-160808-0068L-N2 1A T509 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 L801 6200JB8012T SQE2828 17.2MH 60TURNS T511 6200QJ3001A FILTER,EMI REEL/TAPING BMS400 L802 6200JB8012T SQE2828 17.2MH 60TURNS T512 6200VJT006A...
- Page 49 July, 2004 P/NO : 3828VD0167H Printed in Korea...