Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LC12C MODEL : 32LW5500 32LW5500-CA 42LW5500 42LW5500-CA 47LW5500 47LW5500-CA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67002332 (1109-REV00)
CONTENTS CONTENTS ....................1 SAFETY PRECAUTIONS .................2 SPECIFICATION ..................5 ADJUSTMENT INSTRUCTION .............. 8 EXPLODED VIEW ..................28 SVC. SHEET ....................Copyright 2011 LG Electronics.Inc.All right reserved. - 1 - LGE Internal Use Only Only for training and service purposes...
When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright 2011 LG Electronics.Inc.All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright 2011 LG Electronics.Inc.All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
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3. Solder the connections. CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright 2011 LG Electronics.Inc.All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Back Light Edge LED Color depth 10Bit(D), 1.06 Billion colors Surface treatment Hard coating(2H), Anti-glare treatment of the front polarizer (Haze 10%) Copyright 2011 LG Electronics.Inc.All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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48.363 60.00 65.00 VESA(XGA) 1280*768 47.78 59.87 79.5 WXGA 1360*768 47.72 59.8 84.75 WXGA 1920*1080 66.587 59.93 138.625 WUXGA FHD model Copyright 2011 LG Electronics.Inc.All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
HDCP 1360*768 47.72 59.8 84.75 WXGA HDCP 1280*1024 63.595 60.0 108.875 SXGA HDCP/FHD model 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model Copyright 2011 LG Electronics.Inc.All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
W/B scale is strong. Digital pattern 13ch and/or Cross hatch pattern 09ch), there can some afterimage in the black level area. Copyright 2011 LG Electronics.Inc.All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
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4.1 MAC Address 4.1.1 Equipment & Condition ▪ Play file: Serial.exe ▪ MAC Address edit ▪ Input Start / End MAC address Copyright 2011 LG Electronics.Inc.All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
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4.2 LAN PORT (Automatic IP) 4.2.1 Equipment & Condition ▪ Each other connection to LAN Port of IP Hub and Jig Copyright 2011 LG Electronics.Inc.All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
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■ Connect RS232 Signal Cable to RS-232 Jack. ■ Write Serial number by use RS-232. ■ Must check the serial number at Instart menu. Copyright 2011 LG Electronics.Inc.All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
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※ Pattern Generator Signal Source ※If TV internal pattern is used, not needed 5.1.4 Adj. Command (Protocol) <Command Format> START STOP Copyright 2011 LG Electronics.Inc.All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
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-> Gain adj. complete *(wb 00 20(start), wb 00 2f(endc)) -> Off-set adj. wb 00 ff ->End white balance auto adj. Copyright 2011 LG Electronics.Inc.All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
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▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”, and Adj. offset if need Copyright 2011 LG Electronics.Inc.All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
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CA-210(CH 14) Coordinate Mode Temp △uv Cool 0.0000 0.269±0.002 0.273±0.002 13000K Medium 0.285±0.002 0.293±0.002 9300K 0.0000 Warm 0.313±0.002 0.329±0.002 6500K 0.0000 Copyright 2011 LG Electronics.Inc.All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Step 5) Remove your hand from the Eye Q II sensor and wait for 6 seconds Step 6) Confirm that “ok” pop up. If change is not seen, replace Eye Q II sensor Copyright 2011 LG Electronics.Inc.All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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1) GND & Internal Pressure auto-check preparation - Check that Power Cord is fully inserted to the SET. (If loose, re-insert) Copyright 2011 LG Electronics.Inc.All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
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EQ Off Output, L/R AVL Off (Distortion=10% Clear Voice max Output) Speaker (8Ω 10.0 15.0 EQ On Impedance) AVL On Clear Voice Copyright 2011 LG Electronics.Inc.All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
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2) After automatically display 3D OSD, push the OK Key. 3) Check the pattern such as in the following Fig2 without having to wear glasses. Copyright 2011 LG Electronics.Inc.All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
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Skin Colour Noise Reduction Medium Digital Noise Reduction Medium Gamma Medium Black Level Auto Eye Care Real Cinema Color Gamut Wide Copyright 2011 LG Electronics.Inc.All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
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Sound Mode Standard Sound Mode Infinite Sound(Off) Treble Bass Reset Digital Audio Out TV Speaker DTV Audio Setting Auto Time Clock Manual Copyright 2011 LG Electronics.Inc.All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
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1. Push "IN-START" key in service remote controller. 2. Select "Tool Option 1" and Push “OK” button. 3. Punch in the number. (Each model has their number.) Copyright 2011 LG Electronics.Inc.All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
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4 : 3 576i LGEND 55 (63) CCTV F 4 : 3 576i LGEND CCTV E 4 : 3 576i LGEND Copyright 2011 LG Electronics.Inc.All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
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I-11 C 11 231.25 V/UHF I-41 C 41 631.25 807.25 CATV System Band Name Freq. Factory V/UHF C 02 57.75 LGEND Copyright 2011 LG Electronics.Inc.All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
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Block diagram for W5500 M/B_Input Copyright 2011 LG Electronics.Inc.All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
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Block diagram for LW5500 M/B_Output Copyright 2011 LG Electronics.Inc.All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
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High Chassis Block diagram Tuner(GP3) Copyright 2011 LG Electronics.Inc.All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright 2011 LG Electronics.Inc.All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
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DVB-S2 LNB Part Allegro (Option:LNB) D2301 D2304 SMAB34 SMAB34 +12V_LNB C2307 C2302 C2324 C2305 0.01uF 68uF 68uF L2301 33UH C2312 SP-7850_33 DCDC_GND and A_GND are connected close to Boost pin(#1) C2311 0.1uF 2.4A 10uF DCDC_GND and A_GND are connected in pin#27 close to VIN pin(#25) DCDC_GND PCB_GND and A_GND are connected...
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NON CHB TS Output CHBO_TS_SERIAL CHBO_TS_CLK CHBO_TS_VAL_ERR CHBO_TS_SYNC CHB_RESET SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BCM35230 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NON CHB THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
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DUAL COMPONENT China Hotel Option Q2901 1ST : EBK61012601 2ND : 0TRDI80002A +24V_AMP P2901 12505WS-09A00 CN_HOTEL R2904 0 CN_HOTEL C2901 0.1uF CN_HOTEL AUDIO_R +3.3V_Normal CN_HOTEL R2903 0 AMP_RESET_N R2902 CN_HOTEL AMP_MUTE_HOTEL Q2901 R2901 200 MMBT3904(NXP) AMP_MUTE_HOTEL CN_HOTEL CN_HOTEL SPK_R+_HOTEL SPK_R-_HOTEL SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
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LVDS LOCAL DIMMING P3501 [51Pin LVDS OUTPUT Connector] FI-RE51S-HFK-A [41Pin LVDS OUTPUT Connector] [To LED DRIVER] +3.3V_FRC R3512 2D/3D_CTL LGD_2D/3D_CTRL LVDS_SEL P3503 +3.3V_Normal R3509 12507WR-08L +3.3V_Normal R3511 3.3K PLACE SERIAL RESISTORS CLOSE TO URSA4 AUO_65_MIRROR R3501 R3510 AUO_65_MIRROR 3.3K LVDS_SEL P3502 LVDS_SEL_HIGH FI-RE41S-HFK-A...
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+1.5V_FRC_DDR Close to DDR Pin R5301 +1.5V_FRC_DDR +1.5V_FRC_DDR MVREFCA DDR3 1.5V De-Cap Place near Memory R5302 C5301 0.1uF C5303 C5304 0.1uF 22uF Place the serail damping resistors +1.5V_FRC_DDR in the middle of DRAM pattern Place Close to DDR Pin R5303 MVREFDQ R5311 FRC_DMU...
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