LCD TV SERVICE MANUAL CHASSIS : LP62A FACTORY MODEL : 37LC3R-ZH / 42LC3R-ZH MODEL : 37LC3R / 42LC3R CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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 Shock, Fire, or other Hazards.
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
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IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.
SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method This specification is applied to LP62A chassis. 3.1 Performance : LGE TV test method followed 2. Requirement for Test 3.2 Demanded other specification Safety : CE, IEC Specification Testing for standard of each part must be followed in below EMC : CE, IEC...
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5. General Specification Item Specification Remark Panel 37", 42" TFT WXGA LCD Frequency range H : 31 ~ 61KhzV : 56 ~ 75Hz PC Input Control Function 1) Contrast/Brightness 2) H-Position / V-Position 3) Tracking : Clock / Phase 4) Auto Configure 5) Reset Component Jack Y/Pb/Pr : 1EA...
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6.2. 37LC2R-ZH(Only AUO Module) Parameter Symbol Value Unit Remark Contrast Ratio 32", 37" 1200 (*) Normal Mode 42" 1000 - 100IRE Full white window pattern - APC : Clear (Dynamic) Surface Luminance, Cd/m (*) Normal Mode white - 100IRE Full white window pattern - APC : Clear (Dynamic) White Coordinate Normal...
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8. Component Video Input (Y, PB, PR) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock(MHz) Remarks 720 x 480 15.73 59.94 13.500 SDTV, DVD 480I(525I) 720 x 480 15.75 60.00 13.514 SDTV, DVD 480I(525I) 720 x 576 15.625 50.00 13.500 SDTV, DVD 576I(625I) 720 x 480 31.47 59.94...
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74.176 HDTV 1080I 1920 x 1080 33.75 60.00 74.250 HDTV 1080I 1920 x 1080 28.125 50.00 74.250 HDTV 1080I 50Hz 13. Mechanical Specification 13.1. 37LC3R Item Content Remark Product Width Length Height Unit Dimension Before Packing SET(With Stand) After Packing...
1. Application Range 4. EDID This spec. sheet is applied to all of the LP62A/B/C Caution chassis(H3-High) manufactured at LG TV Plant all over the * Use the proper signal cable for EDID Download world. - Analog EDID : Pin3 exists - Digital EDID : Pin3 exists 2.
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Model Name Level is not correct, Do select 100% Color Bar 37LC3R-ZH 00 00 00 FC 00 33 37 4C 43 33 52 2D 5A 48 0A 20 20 20 Pattern. 42LC4R-ZH 00 00 00 FC 00 34 32 4C 43 33 52 2D 5A 48 0A 20 20 20 e.
2) Execute the SET Heat Run for 30minutes 3) As below Fig. 4, Supply 216Level (85 IRE) full screen pattern to Video input. 37LC3R-ZH,42LC3R-ZH:AV3/AV4 (Input 50Hz), 4) Press the FRONT-AV KEY on R/C for converting input mode. 5) Set the PSM to Standard mode in Picture menu.
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7. Shipping Conditions Item Condition Remark Power Volume Level Main Picture Input Main Last Channel Pr 01 Mute 16 : 9 Station Auto Programme Manual Programme Programme Edit Favorite Programme None Picture Dynamic Dynamic Contrast Brightness Colour Sharpness Normal Auto Advanced Reset Sound...
SVC REMOCON FUNTION REAMARK To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function.
REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)