Manuale d’uso / di manutenzione del prodotto 32LD320 32LD320-ZA del fabbricante LG Electronics
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LCD TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD91A MODEL : 32LD320 32LD320-ZA MODEL : 32LD320N 32LD320N-ZA North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.
- 2 - LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY .
LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes - 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n t h e Schematic Diagram and Exploded View.
LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes - 4 - CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.
LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes - 5 - IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil.
LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes - 6 - SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. Application range This specification is applied to the LCD TV used LD91A chassis.
- 7 - LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes No Specification Proposed Remark Resolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz) 1. 720*400 31.468 70.08 28.321 For only DOS mode 2.
LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes - 8 - ADJUSTMENT INSTRUCTION 1. Application Range This specification sheet is applied to all of the LCD TV with LD91A chassis.
4) Updating is staring. 5) Fishing the version uploading, you have to put USB stick and “AC Power” off. 6) After putting “AC Power” on and check updated version on your TV. * If downloading version is more high than your TV have, TV can lost all channel data.
4. T otal Assembly line process 4.1. Adjustment Preparation · W/B Equipment condition CA210 : CH 9, Test signal : Inner pattern (85IRE) · Above 5 minutes H/run in the inner pattern. (“power on” key of adjust remote control) * Connecting picture of the measuring instrument (On Automatic control) Inside PATTERN is used when W/B is controlled.
- Auto Download • After enter Service Mode by pushing “ADJ” key, • Enter EDID D/L mode. • Enter “START” by pushing “OK” key. * Edid data and Model option download (RS232) - Manual Do.
- 12 - LGE Internal Use Only Copyright ©2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 4.5. V -COM Adjust(Only 37/42/47LH4000-ZA) - Why need Vcom adjustment? A The Vcom (Common Voltage) is a Reference Voltage of Liquid Crystal Driving.
- 13 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes 300 200 801 802 803 804 805 806 520 530 540 550 400 900 120 510 500 320 310 LV 1 A2 A5 A10 Option Option Option EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety-related characteristics.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Fiber Optic USB DOWN STREAM USB DOWN STREAM THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Downloaded From TV-Manual.com Manuals.
Block Diagram Block Diagram RGB COMPONENT F-SCART AV3 BUF_TS_CLK/ERR/SYN/DATA[0] AV_CVBS_IN DDR2 SDRAM (1Gb) IC300 NAND Flash HYNIX IC102 USB Digital amp (NTP3100L) IC701 COMP_Y/ Pb/Pr SC1_CVBS_IN SC2.
37 GIP Block Diagram 37 GIP Block Diagram TCON with FRC MST7327N IC101 M+S T-Con Block SPI_CZ/CK & DI/DO DDR_A_D[0:15] DDR2 SDRAM (512MB / 533MHz) HYNIX IC201 DDR_B_D[16:31] DDR_A_A[0:12] DDR_B_A[.
42/47 Normal Block Diagram 42/47 Normal Block Diagram TCON with FRC MST7327N IC101 SPI_CZ/CK & DI/DO DDR_A_D[0:15] DDR2 SDRAM (512MB / 533MHz) HYNIX IC201 DDR_B_D[16:31] DDR_A_A[0:12] DDR_B_A[0:12.
Contents of LCD TV Standard Repair Process No. Error symptom (High category) Error symptom (Mid category) Page Remarks 1 A. Video error No video/Normal audio 1 2 No video/No audio 2 3 Video error, video lag/stop 3 4 Color error 4 5 Vertical/Horizontal bar, residual image, light spot, external device color error 5 6 B.
Normal audio Y N Move to No video/No audio No video Normal audio Check Back Light On with naked eye On Y N Check Power Board 12v,5v etc. Normal voltage Y N Replace Main Board Replace T-con Board or mo.
Normal voltage? Check various voltages of Power Board ( 5V,12V,20V or 24V …) No Video/ No audio Check and replace MAIN B/D Y Replace Power Board and repair parts N End Standard Repair Process A. Video error No video/ No audio Established date Revised date 2008.
A. Picture Problem Picture broken/ Freezing Y N N Check RF Signal level Normal Signal? Check RF Cable Connection 1. Reconnection 2. Install Booster Check S/W Version Booster menu On Off: Check Off On: Check S/W Upgrade Check whether other equipments have problem or not.
Color error? Y N Check and replace Link Cable (LVDS) and contact condition Y N Replace Main B/D Color error? Check error color input mode Check color by input -External Input -COMPONENT -RGB -HDMI/DVI.
Screen normal? N Y Check external device connection condition Y N Check and replace Link Cable Normal? Y N Screen normal? Replace Main B/D Replace module Check color condition by input -External Input -Component -RGB -HDMI/DVI End Vertical/Horizontal bar, residual image, light spot Request repair for external device A.
B. Power error No power Power LED On? Y N DC Power on by pressing Power Key On Remote control Y N Normal operation? Check Power On ‘”High ” Check Power cord was inserted properly Check Power LED.
B. Power error Off when on, off while viewing, power auto on/off Error? N Y Check Power Off Mode Fix A/C code & Outlet and describe 3 wave length Check A/C code Check for 3 wave length Check outle.
No audio Screen normal Check user menu > Speaker off Off N Y Cancel OFF and describe Check audio B+ 20V or 24V of Power Board Normal voltage Y N Replace Power Board and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C.
Wrecked audio/discontinuation/noise is same after “Check input signal ” compared to No audio C. Audio error Wrecked audio/ discontinuation/noise Wrecked audio/ Discontinuation/ Noise for all audio.
D. General Function Problem Remote control & Local switch checking Y N 1. Remote control (R/C) operating error Move Power problem Section 2. Local(Mechanical ) switch operating error Check R/C itself Operation Normal operating? Normal operating? Y Close Replace R/C If R/C operate, Explain the customer cause is interference from light in room.
Check technical information - Fix information - S/W Version N Y Technical information? Check input signal Signal input? Y N External Input and Component Recognition error Check and fix external device/cable RGB,HDMI/ DVI, Optical Recognition error Replace Main B/D Replace Main B/D Fix in accordance with technical information D.
Check location of noise Identify nose type Circuit noise Replace inverter Replace LIPS B/D Mechanical noise Check location of noise OR When the nose is severe, replace the module (For models with fix .
Replace module Zoom part with exterior damage Module damage Cabinet damage Replace cabinet Replace remote controller Remote controller damage Stand dent Replace stand F. Exterior defect Exterior defect Adjust VCOM Established date Revised date 2008. 3 .
LCD TV Repair Process Index - Trouble shooting by input block (Component level check) No. Symptom (L) Input Block Page Remark 1 Power Problem Power-up Boot fail 1~2 2 Video Problem No OSD 3~ 4 3 Digit.
P800 Pin #7~#10 Voltage Level = 5V ? P800 Pin #2 Voltage level = 5V ? Check Power connector OK ? Replace Power Board YES NO Y E S P800 Pin #13, 14 = 12V P800 Pin #17, 18 = 24V ? NO Replace Power Board YES NO Replace MAIN B ’D Q801 MAIN B’D L803 = 3.
Check Power connector OK ? Replace Power Board NO Y E S Replace Power Board NO Replace MAIN B ’D IC801 NO Replace MAIN B ’D IC805 NO Replace MAIN B ’D IC806 NO Replace MAIN B ’D IC100 NO Replace MAIN B ’D IC103 Serial Flash NO Replace MAIN B ’D IC300, IC301 DDR2 Memory NO Replace MAIN B ’D IC100 NO Making Revision 2009.
P800 Pin #20 Voltage level = 2V Check Power connector OK ? Replace Power Board YES NO Y E S NO YES Replace MAIN B ’D Q802 MAIN B’D L1300 = 12V ? Replace MAIN B ’D Q806 NO Replace Main Board YES P800 Pin #13, 14 = 12V P800 Pin #17, 18 = 24V ? Check LVDS Cable OK ? YES Replace LVDS Cable NO Making Revision 2009.
P801 Pin #9 Voltage level = 2V Check Power connector OK ? Replace Power Board YES NO YES NO YES Replace MAIN B ’D Q802 MAIN B’D L1300 = 12V ? Replace MAIN B’D Q806 NO Replace Main Board YES P801 Pin #1, 2 = 15V? Check LVDS Cable OK ? YES Replace LVDS Cable NO Making Revision 2009.
Check RF Cable MAIN B ’D L1201 = 5V ? YES MAIN B’D L1202 = 3.3V ? NO Replace MAIN B ’D IC809 YES NO Replace MAIN B ’D IC808 MAIN B ’D IC804 Pin #2 = 1.2V ? Replace MAIN B ’D IC804 YES NO YES MAIN B ’D R1210 Clock ? NO Replace MAIN B ’D TU1200 Making Revision 2009.
Making Revision 2009. 2 . 1 LCD TV Symptom Analog TV Video Problem Check RF Cable MAIN B ’D L1201 = 5V ? YES MAIN B’D L1202 = 3.3V ? NO Replace MAIN B ’D IC809 YES NO Replace MAIN B ’D IC808 MAIN B ’D IC804 Pin #2 = 1.
Check Signal format Is it supported? Check the SCART Cable YES MAIN B ’D JK1100 Check Replace MAIN B’ D JK11 00 YES NO Check MAIN B ’D R1117 Video Signal ? NO YES Check MAIN B ’D C210 Video Signal ? Replace MAIN B ’D C210 NO Replace MAIN B ’D IC 100 YES Making Revision 2009.
Check Signal format Is it supported? Check the SCART Cable YES Check MAIN B ’D JK1100 Replace MAIN B ’D JK1100 YES NO YES Check MAIN B ’D C200 (RED) C201 (GREEN) C202 (BLUE) Video Signal ? Replace MAIN B ’D C200, C201, C202 NO Replace MAIN B ’D IC 100 YES Making Revision 2009.
Check Signal format Is it supported? Check the SCART Cable YES MAIN B ’D JK1101 Check Replace MAIN B’ D JK11 01 YES NO Check MAIN B ’D R1133 Video Signal ? NO YES Check MAIN B ’D C211 Video Signal ? Replace MAIN B ’D C211 NO Replace MAIN B ’D IC 100 YES Making Revision 2009.
Check Signal format Is it supported? Check the CVBS Cable YES MAIN B ’D JK402 Check Replace MAIN B ’D JK402 YES NO Check MAIN B ’D R400 Video Signal ? NO YES Check MAIN B ’D C217 Video Signal ? Replace MAIN B’D C217 NO Replace MAIN B ’D IC 100 YES Making Revision 2009.
Check Spec (Refer to User Manual) Is it supported? Check the SCART Cable YES Check the Trouble Shooting Guide Analog TV No video YES Check MAIN B ’D R1205 Video Signal ? NO Replace MAIN B ’D Q1205 YES Check MAIN B ’D C1107 Video Signal ? NO MAIN B ’D JK1100 Check YES Making Revision 2009.
Check Spec (Refer to User Manual) Is it supported? Check the SCART Cable YES YES Check MAIN B ’D C1122 Video Signal ? NO MAIN B ’D JK1101 Check YES Replace MAIN B ’D IC 100 Making Revision 2009. 2 . 1 12/34 LCD TV Symptom AV2 No Video Out Problem 26~42LH2000 32~47LH3000/LH4000 Downloaded From TV-Manual.
Check Signal format Is it supported? Check the Component Cable YES MAIN B ’D JK400 Check Replace MAIN B ’D JK400 YES NO Check MAIN B ’D R419 Video Signal ? NO YES Check MAIN B ’D C209, C215 (Y) C216 (Pb ) C214 (Pr) Video Signal ? Replace MAIN B ’D C209 or C214 or C215 or C216 NO Replace MAIN B ’D IC 100 YES Making Revision 2009.
Check Signal format Is it supported? Check the RGB Cable YES MAIN B ’D P400 Check Replace MAIN B ’D P400 YES NO NO YES Check MAIN B ’D C208 (Video) R246 (HSYNC) R245 (VSYNC) Replace MAIN B ’D C208 or R246 or R247 NO Replace MAIN B ’D IC 100 YES MAIN B ’D P400 Pin #2 Video signal ? R437 has Vsync ? R440 has Hsync ? Making Revision 2009.
Check Signal format Is it supported? Check the RGB Cable YES MAIN B ’D P400 Check Replace MAIN B ’D P400 YES NO NO YES Check MAIN B ’D C212 (RED) C207 (GREEN) C213 (BLUE) Video Signal ? Replace .
Check Signal format Is it supported? Check the HDMI Cable YES YES Replace MAIN B ’D IC 100 Check the ADJUST MENU EDID OK ? YES Download EDID (Refer to Adjustment Spec) NO NO Replace MAIN B ’D IC107 (HDCP KEY) Making Revision 2009.
Check Signal format Is it supported? Check the HDMI Cable YES YES Replace MAIN B ’D IC 100 MAIN B ’D JACK Check JK600 -> HDMI1 JK601 -> HDMI2 JK602 -> HDMI3 YES _ This case is that HDMI Video doesn ’t display at the some HDMI input, not all.
Check The Speaker Check Speaker Cable YES Check P700 Cable YES NO Replace MAIN B ’D IC 701 YES MAIN B ’D L705 Pin #1 L704 Pin #2 PWM Signal ? Replace Speaker NO Replace Speaker Cable NO CHECK MAIN B ’D JK700 or JK701 YES Replace MAIN B ’D JK700 or JK701 NO _ If headphone is connected, Speaker sound doesn ’ t work.
Digital TV Video OK ? YES Replace MAIN B ’D IC 100 Making Revision 2009. 2 . 1 19/34 LCD TV Symptom Digital TV No Audio Problem 26~42LH2000 32~47LH3000/LH4000 Downloaded From TV-Manual.
MAIN B ’D TU1200 Pin #17 Signal (SIF) Replace MAIN B ’D TU1200 NO Analog TV Video OK ? YES Check MAIN B ’D C231 Signal (SIF) NO Replace MAIN B ’D IC100 YES Making Revision 2009. 2 . 1 20/34 LCD TV Symptom Analog TV No Audio Problem 26~42LH2000 32~47LH3000/LH4000 Downloaded From TV-Manual.
Check the SCART Cable YES Check MAIN B ’D C229, C230 MAIN B ’D C229 (Right Sound) C230 (Left Sound) signal ? YES NO Replace MAIN B ’D IC 100 AV1 Video OK ? YES Check MAIN B ’D JK1100 Replace MAIN B ’D JK 1100 NO YES Making Revision 2009. 2 .
Check the SCART Cable YES Check MAIN B ’D C2008, C2009 MAIN B ’D C2008 (Right Sound) C2009 (Left Sound) signal ? YES NO Replace MAIN B ’D IC 100 AV2 Video OK ? YES Check MAIN B ’D JK1101 Replace MAIN B’D JK1101 NO YES Making Revision 2009. 2 .
Check the CVBS Cable YES Check MAIN B ’D C2011, C2012 MAIN B ’D C2011 (Right Sound) C2012 (Left Sound) signal ? YES NO Replace MAIN B ’D IC 100 AV3 Video OK ? YES Check MAIN B ’D JK402 Replace MAIN B’D JK402 NO YES Making Revision 2009.
Check the CVBS Cable YES Check MAIN B ’D C2013, C2014 MAIN B ’D C2013 (Right Sound) C2014 (Left Sound) signal ? YES NO Replace MAIN B ’D IC 100 Component Video OK ? YES Check MAIN B ’D JK400 Replace MAIN B’D JK400 NO YES Making Revision 2009.
Check the PC Audio Cable YES Check MAIN B ’D C2015, C2016 MAIN B ’D C2015 (Right Sound) C2016 (Left Sound) signal ? YES NO Replace MAIN B ’D IC 100 RGB Video OK ? YES Check MAIN B ’D JK401 Replace MAIN B’D JK401 NO YES Making Revision 2009. 2 .
HDMI Video OK ? YES Check the ADJUST MENU EDID OK ? YES Download EDID (Refer to Adjustment Spec) NO Check the HDMI Cable Replace MAIN B ’D IC100 YES Making Revision 2009. 2 . 1 26/34 LCD TV Symptom HDMI-DTV No Audio Problem 26~42LH2000 32~47LH3000/LH4000 Downloaded From TV-Manual.
Check the SCART Cable YES Replace MAIN B ’D IC1103 MAIN B’D R239 (Right Sound) R240 (Left Sound) signal ? NO YES Replace MAIN B ’D IC 100 Analog TV Audio OK YES Check MAIN B ’D JK1100 Replace MAIN B’D JK1100 NO YES Check the Trouble Shooting Guide Analog TV No video NO Making Revision 2009.
Check the SCART Cable YES Replace MAIN B ’D IC1103 MAIN B’D R250 (Right Sound) R251 (Left Sound) signal ? NO YES Replace MAIN B ’D IC 100 Speaker Audio OK YES Check MAIN B ’D JK1101 Replace MAIN B ’D JK1101 NO YES Check the Trouble Shooting Guide Related to Audio Problem NO Making Revision 2009.
Check the Headphone Cable YES Replace MAIN B ’D IC700 MAIN B ’D R237 (Right Sound) R238 (Left Sound) signal ? NO YES Replace MAIN B ’D IC 100 Speaker Audio OK YES Check MAIN B ’D JK700 or JK701 Replace MAIN B ’D JK700 or JK701 NO YES Check the Trouble Shooting Guide Related to Audio Problem NO Making Revision 2009.
Check the SPDIF Cable YES Check MAIN B ’D R230 PWM Signal ? Replace MAIN B ’D IC 100 Speaker Audio OK YES Check MAIN B ’D JK403 Replace MAIN B’D JK403 NO YES NO Check the Trouble Shooting Guide Related to Audio Problem NO Making Revision 2009.
Check MAIN B ’D JK405 Pin #1 5V ? NO Check MAIN B ’D R848 12V ? Check that the USB Memory & HDD are supported by Spec (Refer to User Manual ’ s USB cautions) YES Check MAIN B ’D R801 5V ? .
Check IR B ’ D P1 Wafer & Connector Check MAIN B ’D P1304 Wafer & Connector YES NO Replace it YES Replace IR B ’D Making Revision 2009. 2 . 1 32/34 LCD TV Symptom Remote Control Problem 26~42LH2000 32~47LH3000/LH4000 Downloaded From TV-Manual.
Check IR B ’ D P1 Wafer & Connector Check MAIN B ’D P1305 Wafer & Connector YES NO Replace MAIN B ’D IC100 IR B’D IC1 Pin #3 Voltage 4V ? NO NO Replace it YES Replace IR B ’D I C1 NO Replace MAIN B ’D IC100 Making Revision 2009. 2 .
Check IR B ’ D P1 Wafer & Connector Check MAIN B ’D P1304 Wafer & Connector YES YES NO Replace it Replace IR B ’D Making Revision 2009. 2 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il LG Electronics 32LD320 32LD320-ZA è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del LG Electronics 32LD320 32LD320-ZA - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LG Electronics 32LD320 32LD320-ZA imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LG Electronics 32LD320 32LD320-ZA ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LG Electronics 32LD320 32LD320-ZA, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del LG Electronics 32LD320 32LD320-ZA.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LG Electronics 32LD320 32LD320-ZA. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LG Electronics 32LD320 32LD320-ZA insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
