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Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LT12E MODEL : 32LV5500 32LV5500-DD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67007902 (1102-REV00) Printed in Korea...
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CONTENTS ....................2 SAFETY PRECAUTIONS ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 18 EXPLODED VIEW .................. 26 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
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An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
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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 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
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CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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1) Performance: LGE TV test method followed 2) Demanded other specification - Safety : CE, IEC specification - EMC: CE,IEC Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
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60Hz Normal : LC420EUN-SDV 3 [42LV3700-DA] Backlight(LE D) Edge LED Normal : LC470EUE-SDV1 [37LV3700-DA] Normal : V315H3-LE8 [32LV5500-DD] Normal : LC320EUD-SDA 1 [32LV5500-DD] PG : LC320EUD-SDF1 [32LW5700-DA] Normal : V420H2-LE6 [42LV5500-DD] 120Hz Normal : LC420EUF-SDA1 [42LV5500-DD] Edge LED PG : LC420EUF-SDF1 [42LW5700-DA]...
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LC420EUF-SDA 1 LC420EUF-SDF1 LC420DUC-SDS1 ALEF LC470EUE-SDV 1 Edge-LED LC470EUF-SDA 1 LC470EUF-SDF1 LC470DUC-SDS1 ALEF LC470DUC-SDS1 LC550EUF-SDA 1 Edge-LED LC550DUC- SDS1 ALEF LC550DUT-SDA1 Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
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: FHD 120Hz Pattern ed Edge LED ALEF : LC420DUC-SDS1 ALEF : LC470DUC-SDS1 ALEF : LC550DUC-SDS1 : FHD M 240Hz ALE F LED Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
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Blue 0.050 0.279 White 0.292 0.649 Typ. Typ. 0.333 Edge : LC320EUD-SDA1 -0.03 +0.03 0.301 Green 0.609 0.152 Blue 0.060 Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
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White White Typ. Typ. Typ. Typ. ALEF : LC420DUC-SDS1 ALEF : LC420DUC-SDS1 Green Green -0.03 -0.03 +0.03 +0.03 Blue Blue Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
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Blue 0.068 0.279 White 0.292 0.646 Typ. Typ. 0.330 IOL : LC720DUC-SCM1 0.303 +0.03 -0.03 Green 0.640 0.152 Blue 0.059 Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
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ALEF : LC420DUC-SDS1 3D Crosstalk ALEF : LC470DUC-SDS1 ALEF : LC550DUC-SDS1 ALEF : LC470DUT-SDA 1 ALEF : LC550DUT-SDA 1 IOL : LC720DUC-SCM1 Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
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60.31 40.00 VESA(SVGA) 1024*768 48.363 60.00 65.00 VESA(XGA) 1360*768 47.712 60.015 85.50 VESA(WXGA) 1920*1080 66.587 59.94 138.50 WUXGA (Reduced Blanking) Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
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Max Vertical Freq - 62 Hz Min Horiz. Freq - 30 kHz Max Horiz. Freq - 80 kHz Pixel Clock - 170 MHz Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Side by Side, Top & Bottom, Checkerboard Single Frame Sequential 1920*1080 56.250 148.5 HDTV 1080P Side by Side, Top & Bottom, Checkerboard Single Frame Sequential Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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12. RGB input 3D(PC) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed 1920*1080 67.50 60.00 148.5 WUXGA (Reduced Blanking) (Side by Side), Top and Bottom Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
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(Display Data Channel) download 3.2. Set Assembly Adjustment Color Temperature (White Balance) Adjustment Using RS-232C PING Test Selection Factory output option Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
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• xb 00 60: Change to RGB-PC mode(No action) • ad 00 10: Adjust 1080p RGB • xb 00 90: Endo of Adjustmennt Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
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• RGB 1080p adjustment in RGB input mode • If you success RGB 1080p Adjust. You can see “ADC RGB-DTV Success” Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
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- Set instruments and Jig. Like pic.5), then turn on PC and Jig. • EDID data for 3DTV ( Model name = LG TV ) - Operate DDC write S/W (EDID write & read) - It will operate in the DOS mode.
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* If it needs, offset adjustment (wb 00 20-start, wb 00 2f- end) • “wb 00 ff”: End of white balance adjustment (inner pattern disappear) Copyright LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
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- COOL : T=11000K, ∆uv=0.000, x=0.276 y=0.283 36-49 - MEDIUM : T=9300K, ∆uv=0.000, x=0.285 y=0.293 50-79 Over80 - WARM : T=6500K, ∆uv=0.000, x=0.313 y=0.329 Copyright LG Electronics. Inc. All right reserved. -- 23 - LGE Internal Use Only Only for training and service purposes...
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Select one of these three (USA, CANADA, MEXICO) defends on its market using “Vol. +/-“button. * Caution : Don’t push The INSTOP KEY after completing the function inspection. Copyright LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
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9.5 After download is finished, remove the USB stick. 9.6 Press “IN-START” key of ADJ remote control, check the S/W version. Copyright LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
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X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
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[Local Dimming Block] P1601 12507WR-08L L/Dim Wafer L/DIM0_SCLK L/DIM0_MOSI R1601 SCL2_3.3V LPB_42/47/55 R1602 SDA2_3.3V LPB_42/47/55 L/DIM0_VS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. BCM35230 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR L_DIMMING THE CRITICAL COMPONENTS IN THE...
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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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3D_SYNC L_VS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. BCM35230 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NON URSA THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
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42inch : H(2) * V(8) = 16Block Local 42inch : H(2) * V(8) = 16Block Dimming 42inch : H(2) * V(8) = 16Block Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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42inch : H(12) * V(4) = 48Block Dimming 47inch : H(12) * V(5) = 60Block 55inch : H(16) * V(6) = 96Block Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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To T-CON BOARD Audio AMP (10W+10W) (W/ LV5500) To T-CON BOARD wifi (W/O LV5500) Soft touch +IR RF assy (W/O LV5500) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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COMP COMP1 Sub Micom (sanyo) Rear Wireless Ready PC-RGB RGB,H/V L/R In PC-AUDIO OPTIC SPDIF OUT M-Remote UART Module Ethernet RS-232C Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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[DSUB_DET] // GPIO [PC_L_IN] [AV1_R_IN] [PC_R_IN] PC L,R [AV1_L_IN] [AV1_CVBS_IN] CVBS [AV1_CVBS_DET] AV DET [AV1_R_IN] [AV1_L_IN] [AV1_CVBS_IN] CVBS [AV1_CVBS_DET] AV DET Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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(LGSIC) (BCM) 3D_Sync SPI/Vsync LED BLU control LED BLU control [ All in one main PCB for XXLW9500, ALEF LED Backlight] Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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LED driver / PSU T-CON to Module 80pin FFC ALEF Module Assy Multi-cable: IR+MOTION+WIFI +SPK WOOFER SPK CABLE Local dimming cable 8pin Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Main / PSU cable Main / Module LVDS cable Drive B/D Cable Multi-cable: IR + Soft Touch Edge Module Assy SPK CABLE Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Main / PSU cable Multi-cable: Main PSU/Sub PSU CABLE Main / T-Con LVDS cable 51PIN IR+MOTION+WIFI +SPK LED driver / PSU WOOFER SPK CABLE Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Soft Touch + IR PCB RF MOTION ASSY SPK unit WIFI ASSY Soft Touch RF MOTION ASSY WIFI ASSY IR PCB To Main Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Interconnection – sub PCB( LV5500 Series ) Soft Touch + IR PCB SPK unit Soft Touch IR PCB To Main Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Soft Touch PCB IR PCB RF Motion Assy SPK unit IR PCB Soft Touch RF Motion Assy To Main To Main Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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No audio Board ( 3.5V,12V,20V MAIN B/D or 24V…) Replace Power Board and repair parts ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Contact with signal distributor Tuner soldering Picture? or broadcaster (Cable or Air) Normal Picture? Replace Main B/D Close Close ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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RGB/ Check external External device device and Replace Main B/D HDMI/DVI /Cable error cable normal ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Main B/D normal? External Input, Component, HDMI/ RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Normal Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A18 Replace Power B/D Replace Power ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Power off by unknown status except listed case "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Cancel OFF Replace Power Board and repair parts Check Disconnection Replace MAIN Board Speaker disconnection Replace Speaker ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Normal signal error) other external audio? Check and fix device external device Check and fix external device ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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If R/C operate, Normal Close Explain the customer operating? cause is interference from light in room. Replace R/C ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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(For models without any fix information, in “Part related to nose” in the Owner’s provide the description) Manual. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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☞A28 Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Inverter/ Module Exchange Module itself (1) A-4/5 Exchange Module itself (2) A-5/5 Continue to the next page ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Remote controller operation checking remote controller, key error method D. VCOM Adjustment Sequence of the Vcom adjustment ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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After turning on the power and disassembling the case, check with the naked eye, whether you can see light from 4 locations. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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ALEF LED P202 P203 6~10 6~10 Error Error Inverter ON Inverter ON A-dim A-dim P-dim P-dim Edge LED ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Lamp : A-Dim LED : N.C PWM Dim #1 Error-out • Lamp SCANNING Model : PWM Dim #2 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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- signal test select channel When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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<ALL MODELS> As the part connecting to the external input, check the screen condition by signal ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Check Link Cable (LVDS) reconnection condition date <ALL MODELS> Check the contact condition of the Link Cable, especially dust or mis insertion. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Checking item : 1. Defective pixel 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..) 4.Video error (Classification of MODULE or Main-B/D!) ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Solder defect, CNT Broken T-Con Defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Solder defect, Short/Crack A - 1/5 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Solder defect, Short/Crack Abnormal Display Fuse Open, Abnormal power section Solder defect, Short/Crack Noise GRADATION GRADATION A - 2/5 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Appendix : Exchange PSU(LED driver) No Light Dim Light Dim Light Dim Light No picture/Sound Ok A - 3/5 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage A - 4/5 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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In this case please exchange the module. Horizontal Block Gate TAB IC Defect Gate TAB IC Defect A - 5/5 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Front LED control : Menu Option Power Indicator Standby light ON ST-BY condition: Red Power ON condition: white ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Lamp : A-Dim LED : N.C PWM Dim #1 Error-out • Lamp SCANNING Model : PWM Dim #2 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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Lamp : A-Dim LED : N.C PWM Dim #1 Error-out • Lamp SCANNING Model : PWM Dim #2 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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1. Press the MENU button on the remote controller 2. Select the AUDIO function of the Menu 3. Select TV Speaker from Off to On ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal, the speaker is normal. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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■ Push the OK key to store the value. Then the message “Saving OK” is pop. ■ Press the exit key to finish V-COM adjustment. ⓒ LG Electronics. Inc.2009 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...