Related Manuals for LG 32LB3RS
Summary of Contents for LG 32LB3RS
- Page 1 Internal Use Only website:http://biz.LGservice.com TELEVISOR A LCD MANUAL DE SERVIÇO CHASSIS : LP70A MODELO : 32LB3RS 32LB3RS-MB ATENÇÃO Antes de reparar este chassis, leia as PRECAUÇÕES DE SEGURANÇA contidas neste manual.
- Page 2 CONTEÚDO CONTEÚDO ..................... 2 PRECAUÇÕES DE SEGURANÇA ............3 ESPECIFICAÇÃO ..................6 INSTRUÇÕES DE AJUSTE..............10 SOLUÇÃO DE PROBLEMAS..............16 DIAGRAMA DE BLOCOS ...............22 VISTAS EXPLODIDAS ................24 LISTA DAS VISTAS EXPLODIDAS............25 LISTA DE PEÇAS DE REPOSIÇÃO ............26 DIAGRAMA ELÉTRICO................- 2 -...
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Page 3: Safety Precautions
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. -
Page 4: Servicing Precautions
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... - Page 5 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.
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Page 6: Specification
UHF : 14~69 CATV : 1~125 Input Voltage 100-240V~ / 50Hz, 60Hz Market Central and South America Active Screen Size 800.4 mm(diagonal) 31.51 inches 32LB3RS-TB 940.3 mm(diagonal) 37.02 inches 37LB3RS-TB 1067.308 mm (diagonal) 42.02 inches 42LB3RS-TB Tuning System FVS 100 program... -
Page 7: General Specification
5. General Specification Item Specification Remark Panel 32”, 37”, 42" TFT WXGA LCD for 120Hz Frequency range H : 31 ~ 61Khz V : 56 ~ 75Hz PC Input Control Function Contrast/Brightness H-Position / V-Position Tracking : Clock / Phase Auto Configure Reset Component Jack... - Page 8 7. Component Video Input (Y, PB, PR) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock(MHz) Remarks 720*480 15.73 59.94 13.500 SDTV, DVD 480i(525I) 720*480 15.75 60.00 13.514 SDTV, DVD 480i(525I) 720*576 15.625 50.00 13.500 SDTV, DVD 576i(625I) 720*480 31.47 59.94 27.000 SDTV 480p 720*480 31.50 60.00...
- Page 9 9. HDMI Input (PC) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock(MHz) Remarks 720*400 31.469 70.08 28.32 640*480 31.469 59.94 25.17 VESA(VGA) 640*480 37.500 75.00 31.50 VESA(VGA) 800*600 37.879 60.31 40.00 VESA(SVGA) 800*600 46.875 75.00 49.50 VESA(SVGA) 832*624 49.725 74.55 57.28 Macintosh 1024*768 48.363 60.00 65.00...
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Page 10: Application Range
4. EDID This spec. sheet is applied to all of the LP70A chassis(H3- ∆ Caution High) manufactured at LG TV Plant all over the world. * Use the proper signal cable for EDID Download - Analog EDID : Pin3 exists - Digital EDID : Pin3 exists 2. -
Page 11: Adc Calibration
4) Press INSTART key on R/C for adjustment. Model Name Product ID Product ID 5) Press the (Vol.+) key to operate the set, then it EDID table becomes automatically. 6) Auto-RGB OK means the adjustment is completed. 32LB3RS-MB 30120(A) 30120 75A8 A875 30121(D) 30121 75A9... -
Page 12: White Balance
5.3 Adjustment of RGB Standard Color Temperature & Color Coordinates Using CS-1000 * Required Equipments Color Temperature Temp Remote controller for adjustment 802F Pattern Generator, Master (MSPG-925FA), etc. Cool 11,000k 0.276 0.283 MSPG-925FA Pattern Generator Warm 6,500k 0.313 0.329 (Which has XGA [1024x768] 60Hz PC Format output signal : 100% Color Bar Pattern shown in Fig. -
Page 13: Auto White Balance
6.2 Auto white Balance * Command Set (SET ID : 0-> ALL , 1~99 -> each SET) Contents SET ID VAL Remark command command Set ID Data POWER ON/OFF KA(ka) 0~99 0: OFF, 1:ON MODE MAIN INPUT XB(xb) 0~99 10~90 RF(10), AV1~4 (20,21,22,23) Input Select DTV-Air SAV(30), COMP(40),... - Page 14 7. Detail list of SVC option data Option Detail list Data Tool Option1 Maker LPL/AUO/CMO/CPT Inch 32/37/42/47/ Tool LB3R/LB5R/LB7R/LC7R/LY3R Tuner Num. 1 Tuner/2 Tuner INDEX HDMI Type(A) 1-HDMI/2HDMI Side AV BOOST Tool Option2 Reserved Reserved Reserved Area Option1 LANG CSA/North/Taiwan Option Default Lang.
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Page 15: Shipping Conditions
8. Shipping Conditions Item Condition Remark Power Volume Level Main Picture Input Main Last Channel Pr 01 Mute 16 : 9 SET UP Auto Tuning Manual Tuning Favorite Programme Picture Picture Mode Dynamic Dynamic Contrast Brightness Colour Sharpness Color Temperature Normal Auto Advanced... -
Page 16: Power Board
TROUBLESHOOTING 1. Power Board - The whole flowchart which it follows in voltage output stat Start check Doesn’t Is it with Is the interface the screen whole power off condition signal operated? come out? identical? 1. Check the Power off condition. 2. - Page 17 2. VSC Board 2-1. No power (1) Symptom 1) Minute discharge doesn’t occur at module. 2) Front LED doesn’t come into action. (2) Check following Is the plug in power Plug a power cord. cord inserted? Is the Line Filter and Connect a cable.(SC101) PSU connected? Is the fuse(F101)
- Page 18 2-2. No Raster (1) Symptom 1) Doesn’t minute discharge at module. 2) It maintains the condition where the front LED is normal. (2) Check following ‘Inverter_On’ Is the inverter Is the inverter Signal is High of 5 1. Check the Power board. 24V on power board On or Off? in P1000 on Main...
- Page 19 2-3. In case of occur strange screen into specific model (1) In case of doesn’t display the OSD 1) Symptom - LED is White. - The minute discharge work continuously 2) Check following Is the LVDS Is the LVDS cable 1.
- Page 20 4) When set doesn’t display normally at RF, AV mode. Is the input voltage, IIC Is the IC611 1. Replace IC611. communication and HV normal? sync normal? Is the input voltage, IIC Is the IC800 1. Replace IC800. communication and HV normal? sync normal? 5) When set doesn’t display normally at Component, RGB mode.
- Page 21 2-5. In case of no sound (1) Symptom 1) LED is White. 2) Sound connection is OK. 3) Screen is existent, but Sound isn’t (2) Check following Is the speaker Is the Speaker Is all input(mode) cable normal? no sound? on in Menu? 1.
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Page 22: Block Diagram
BLOCK DIAGRAM FRC_DEN/CLK_Out FRC_DEN/CLK_Out FRC_HS/VS_Out FRC_HS/VS_Out FRC_R/G/B _EVEN/ODD_Out_ FRC_R/G/B_EVEN/ODD_Out_ OUT_TX_A OUT_TX_B OUT_TX_C OUT_TX_D OUT_TX_E OUT_TX_CLK Memory R_CH R_CH R_OUT R_SPK_OUT CN_IIS L_CH L_SPK_OUT L_CH L_OUT SCL/SDA_Part MC_IIS MAIN_V or Y/C OUT MA IN_V or Y/C OUT : SUB _V OUT SUB_V OUT : - 22 -... - Page 23 MEMO - 23 -...
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Page 24: Exploded View
EXPLODED VIEW - 24 -... - Page 37 Feb., 2008 P/NO : MFL37445202 Printed in Korea...