Manuale d’uso / di manutenzione del prodotto LD84A 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 : LD84A MODEL : 32LG3000 32LG3000-ZA website:http://biz.
- 2 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY .
LGE Internal Use Only Copyright © 2008 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 Replacement Parts List.
LGE Internal Use Only Copyright © 2008 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 © 2008 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 © 2008 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 .
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 7 - 5. Model general specification Item Specification Remark Market EU (PAL Ma.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 8 - 7. RGB PC INPUT Mode No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 1 720*400 31.468 70.08 28.321 2 640*480 31.
- 9 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark 1 720*400 31.468 70.08 28.321 HDCP 2 640*480 31.469 59.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 10 - ADJUSTMENT INSTRUCTION 1.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 11 - * After downloading, have to adjust TOOL OPTION again. 1) Push "IN-START" key in service remote controller 2) Select "Tool Option 1" and Punch in the number.
4. T otal Assembly line process 4.1. Adjustment Preparation (1) W/B Equipment condition CA210: CH 9, Test signal: Inner pattern (85IRE) (2) Above 5 minutes H/run in the inner pattern. (“power on” key of adjust remote control) (3) 1 5 Pin D-Sub Jack is connected to the AUTO W/B EQUIPMENT.
(3) DIGITAL DATA(HDMI-2) 256Byte (4) DIGITAL DATA(HDMI-3) 256Byte 1) All Data : HEXA Value 2) Changeable Data : *: Serial No : Controlled / Data:01 **: Month : Controlled / Data:00 ***:Year : Controlled ****:Check sum 4.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 14 - TROUBLESHOOTING 1. No Power (1) Symptom 1) It is not discharged minutely from the module. 2) Light does not come into the front LED.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 15 - Yes No No Replace the Power board. Check the LCD Module. Reconnect Panel link cable. (P401 or P406 or P407) Replace the Main board.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 16 - Yes No No Yes Replace Main board.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 17 - Yes No Check the input source. If there is normal status, Replace main board. Same as Block A. Same as Block A. No Check the IC700.
- 18 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Check the input source. Same as Block A. No Check the IC700. No Yes Is video input of the RGB jack normal? (Check JK703_Pin1, 2,3,13,14) No If there is normal status, Replace main board.
- 19 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Yes No Set on speaker on menu. Download the EDID data. Check the Tuner in/Out. No Check th Speaker cable. No Replace IC100. No Replace IC1000.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 20 - BLOCK DIAGRAM LVDS SC2_L/R_I N Saturn3+ STMAV340 (IC700) NTP3000A (IC1000.
MEMO - 21 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 22 - 300 200 510 121 500 120 122 400 401 800 801 802 804 803 530 521 821 805 5.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Feb., 2008 Printed in Korea P/NO : MFL41037107.
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 LD84A 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 LD84A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LG Electronics LD84A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LG Electronics LD84A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LG Electronics LD84A, 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 LD84A.
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 LD84A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LG Electronics LD84A 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.