Protech HDM-900WD Manuale di Servizio

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SERVICE MANUAL
No. S40F340D68UT/
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................i
PRECAUTIONS A PRENDRE LORS DE
LA REPARATION ...............................................ii
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ........................................................... iii
OUTLINE
MAJOR SERVICE PARTS ................................iv
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL .................................. 2-1
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS ................................................ 3-1
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS...................4-1
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE ......................5-1
[2] PUBLIC MODE SETTING PROCEDURE......5-25
CHAPTER 6. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE ......................6-1
CHAPTER 7. OVERALL WIRING/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM......................7-1
[2] SYSTEM BLOCK DIAGRAM .........................7-2
Parts Guide
TopPage
CONTENTS
LC-40D68UT
LCD COLOR TELEVISION
LC-40D68UT
MODEL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
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Sommario

Pagina 1 - LC-40D68UT

SERVICE MANUALNo. S40F340D68UT/Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts wi

Pagina 2 - SAFETY PRECAUTION

LC-40D68UT2 – 4INPUTTo view external source images, select the input source bypressing INPUT on the remote control unit or on the TV.1Press INPUT.A li

Pagina 3

LC-40D68UT2 – 5VIEW MODEYou can select the screen size.1Press VIEW MODE.The View Mode menu displays.The menu lists the View Mode options selectable fo

Pagina 4

LC-40D68UT2 – 6Attaching/Detaching the StandBefore attaching (or detaching) the stand, unplug the ACcord.Before performing work spread cushioning over

Pagina 5 - Service Manual

LC-40D68UT2 – 7TroubleshootingProblem Possible Solution• No power • Check if you pressed POWER on the remote control unit.If the indicator on the TV d

Pagina 6 - CHAPTER 1. SPECIFICATIONS

LC-40D68UT2 – 8Cautions regarding use in high and low temperature environments•When the unit is used in a low temperature space (e.g. room, office), t

Pagina 7 - CHAPTER 2. OPERATION MANUAL

LC-40D68UT3 – 1LC-40D68UTService Manual CHAPTER 3. DIMENSIONS[1] DIMENSIONSUnit: inch (mm)123/8(314)41/4(108)3(76)71/4(184)41/4(108)413/16(122)1945/64

Pagina 8 - Direct Button Operation

LC-40D68UT4 – 1LC-40D68UTService Manual CHAPTER 4. REMOVING OF MAJOR PARTS[1] REMOVING OF MAJOR PARTS1. Removing of Stand Unit and Rear Cabinet.1. Rem

Pagina 9

LC-40D68UT4 – 22. Removing of Speaker-L/R, KEY Unit Ass’y, Bottom Cover and R/C, LED Unit.1. Disconnect SP wire and detach the Speaker-L /Speaker-R

Pagina 10

LC-40D68UT4 – 33. Removing of Connectors.1. Disconnect the following connectors from MAIN Unit. (PD, LW)2. Disconnect the following connectors from PO

Pagina 11

LC-40D68UT4 – 44. Removing of 40” LCD Panel Module Unit, TERMINAL Unit, MAIN Unit and POWER Unit.1. Remove the 2 lock screws , 6 hooks and detach

Pagina 12 - QUICK REFERENCE

LC-40D68UT iLC-40D68UTService Manual SAFETY PRECAUTIONIMPORTANT SERVICE SAFETY PRECAUTIONWARNING1. For continued safety, no modification of any circu

Pagina 13 - Appendix

LC-40D68UT4 – 55. Removing of MAIN PWB Angle-L/W, POWER PWB Angle, VESA Angle, Center Angle and Panel Angle-L/R.1. Remove the 2 lock screws , 3 lock

Pagina 14

LC-40D68UT5 – 1LC-40D68UTService Manual CHAPTER 5. ADJUSTMENT[1] ADJUSTMENT PROCEDUREThe adjustment values are set to the optimum conditions at the fa

Pagina 15 - CHAPTER 3. DIMENSIONS

LC-40D68UT5 – 24. After the unit startup, the system upgrade screen as shown below appears within 10-40 seconds.5. Even a single failure in the proces

Pagina 16 - REMOVING OF MAJOR PARTS

LC-40D68UT5 – 32.3. Monitor microprocessor software version upgrade1) Download “E8 Emulator” from Renesas Web site and install it.http://america.renes

Pagina 17 - 4. Detach the Bottom Cover

LC-40D68UT5 – 46) In the next page input information as specified below and click “OK”.7) Select entry as below and click “ (N)”* “ (N)” means “NEXT”S

Pagina 18 - 3. Removing of Connectors

LC-40D68UT5 – 58) click .* means “COMPLETE”.9) Click “OK”.

Pagina 19

LC-40D68UT5 – 610)Select entries as specified below and click “OK”.11)Click “ (N)”.* “ ” means “NEXT”.Select “R8C/2A Group”Select “R5F212A8”

Pagina 20

LC-40D68UT5 – 712)Click .* means “COMPLETE”.13)In the screen below, click “Debug Settings”.

Pagina 21 - CHAPTER 5. ADJUSTMENT

LC-40D68UT5 – 814)Select “S-Record” and click “Add”.15)Click “Browse” and specify the location of mot-file.Select “S-Record”

Pagina 22

LC-40D68UT5 – 9

Pagina 23

LC-40D68UTiiPRECAUTIONS A PRENDRE LORS DE LA REPARATIONDe nombreuses pièces, électriques et mécaniques, dans les télévi-seur ACL présentent des caract

Pagina 24 - * “ (N)” means “NEXT”

LC-40D68UT5 – 1016)Confirm the file name of mot-file appears in the dialog entry and click “OK”.17)From main menu, continuously click “Debug”, “Downlo

Pagina 25

LC-40D68UT5 – 1118)Confirm the dialog-box below appears. It means the writing process completed successfullyThen shut down “High Performance Embedded

Pagina 26 - Select “R5F212A8”

LC-40D68UT5 – 123. Entering and exiting the adjustment process mode1) Before entering the adjustment process mode, the AV position RESET in the video

Pagina 27

LC-40D68UT5 – 135. List of adjustment process mode menuTop hierarchical menu itemThe second hierarchical menu itemPage Item Description Remarks (adjus

Pagina 28 - Select “S-Record”

LC-40D68UT5 – 14SOUND4 Sub Sonic FilterSub Sonic Filter FcVirtual SurroundBand LPF FcBand HPF FcAGC SwitchAGC ModeAGC Gain MaxAGC Gain MinAGC Threshol

Pagina 29

LC-40D68UT5 – 15DVP2-2 R6G6B6R5G5B5R4G4B4R3G3B3R2G2B2R1G1B1ADJ SETTING OKWB adjustment Point 6, R adjustment valueWB adjustment Point 6, G adjustment

Pagina 30

LC-40D68UT5 – 16DVP-M2 3 N358 AV CONTN358 AV BRIGHTN358 AV COLORN358 AV TINTN358 AV SHARP V1 OVERN358 AV SHARP V1 UNDERN358 AV SHARP V2 OVERN358 AV SH

Pagina 31

LC-40D68UT5 – 17DVP-M2 7 750P CONT750P BRIGHT750P COLOR750P TINT750P SHARP V1 OVER750P SHARP V1 UNDER750P SHARP V2 OVER750P SHARP V2 UNDER750P SHARP H

Pagina 32

LC-40D68UT5 – 18DVP-M2 11 DTV 1125I CONTDTV 1125I BRIGHTDTV 1125I COLORDTV 1125I TINTDTV 1125I SHARP V1 OVERDTV 1125I SHARP V1 UNDERDTV 1125I SHARP V2

Pagina 33

LC-40D68UT5 – 19DVP-M2 15 HDMI 1125I CONTHDMI 1125I BRIGHTHDMI 1125I COLORHDMI 1125I TINTHDMI 1125I SHARP V1 OVERHDMI 1125I SHARP V1 UNDERHDMI 1125I S

Pagina 34

LC-40D68UT iiiPRECAUTIONS FOR USING LEAD-FREE SOLDEREmploying lead-free solder• “PWBs” of this model employs lead-free solder. The LF symbol indicate

Pagina 35

LC-40D68UT5 – 20DVP-M2 20 HDMI PC (Dot) CONTHDMI PC (Dot) BRIGHTHDMI PC (Dot) COLORHDMI PC (Dot) TINTHDMI PC (Dot) SHARP V1 OVERHDMI PC (Dot) SHARP V1

Pagina 36

LC-40D68UT5 – 21DVP-M2 24 SAT RSAT YSAT GSAT CSAT BSAT MSAT R-YSAT Y-GSAT G-CSAT C-BSAT B-MSAT M-RDVP-M2 25 BRI RBRI YBRI GBRI CBRI BBRI MBRI R-YBRI Y

Pagina 37

LC-40D68UT5 – 226. Video signal adjustment procedure6.1. AD TRANSFORM LEVEL Adjustment6.1.1 Input 1080i signal1. Input 1080i color bar signal.Signal g

Pagina 38

LC-40D68UT5 – 236.3. Tuner/V-Chip test7. Adjustment of white balanceAdjustment item Adjustment conditions Adjustment procedure1 Adjustment NTSC RF sig

Pagina 39

LC-40D68UT5 – 248. Initialization of factory settings8.1. Making factory settingsUse the adjustment remote controller for the factory settings.8.1.1 P

Pagina 40

LC-40D68UT5 – 25[2] PUBLIC MODE SETTING PROCEDURE1. How to start Public Mode• There are the following two ways to get the public mode setup screen dis

Pagina 41

LC-40D68UT5 – 264. Public Mode MenuThe guidance is not displayed on screen.Setup procedure• To move the cursor up and down, use the “cursor UP/DOWN” k

Pagina 42

LC-40D68UT5 – 275. On Setting Items* “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED 2) MAXIMUM VOLUME 3)

Pagina 43 - 6.3. Tuner/V-Chip test

LC-40D68UT5 – 286) PANEL BUTTON 7) MENU BUTTON 8) ON SCREEN DISPLAY 9) BLUE SCREEN10)INPUT MODE START Selection Selection between “Respond” and “No re

Pagina 44 - SETTING COMPLETE

LC-40D68UT5 – 2911)INPUT MODE FIXEDSelection Selection between “Variable”, “Fixed”. (loop provided)Default – (Variable)Explanation The input mode is f

Pagina 45 - 3. Public Mode Setting Values

LC-40D68UTivLC-40D68UTService Manual OUTLINEMAJOR SERVICE PARTSPWB UNITOTHER UNITIC FOR EXCLUSIVE USE OF THE SERVICESERVICE JIGSRef No. Parts Code

Pagina 46

LC-40D68UT6 – 1LC-40D68UTService Manual CHAPTER 6. TROUBLESHOOTING TABLE[1] TROUBLESHOOTING TABLENo video (1)COMPOSITE: No external input video [INPUT

Pagina 47

LC-40D68UT6 – 2No video (2)COMPONENT: No external input video [INPUT-1] COMPONENT: No external input video [INPUT-2]Is INPUT-1 selected on the input s

Pagina 48

LC-40D68UT6 – 3No video (3)PC: No external input video [INPUT-4]Is INPUT-4 selected on the input select menu screen? NO Select INPUT-4 on the input se

Pagina 49

LC-40D68UT6 – 4<HDMI input> No video (4)-1HDMI: No external input video [INPUT-5] HDMI: No external input video [INPUT-6]Is INPUT-5 selected on

Pagina 50 - TROUBLESHOOTING TABLE

LC-40D68UT6 – 5<HDMI input> No video (4)-2HDMI: No external input video [INPUT-7]Is INPUT-7 selected on the input select menu screen? NO Select

Pagina 51

LC-40D68UT6 – 6No video (5)No video at UHF/VHF broadcast signal reception No video at digital broadcast signal receptionIs the specified TV signal sel

Pagina 52

LC-40D68UT6 – 7No audio (1)-1INPUT-1 No audio. INPUT-2 No audio.Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input

Pagina 53

LC-40D68UT6 – 8No audio (1)-2INPUT-3 No audio.Is INPUT-3 selected on the input select menu screen? NO Refer to “:No external input video [INPUT-3]”.

Pagina 54

LC-40D68UT6 – 9No audio (2)[PC analog audio input] INPUT-4 No audio. [HDMI analog audio input] INPUT-6 No audio.Is INPUT-4 selected on the input selec

Pagina 55

LC-40D68UT6 – 10No audio (3)INPUT-5 No audio (HDMI connected)INPUT-6 No audio (HDMI connected)INPUT-7 No audio (HDMI connected)[INPUT-5 input]Is INPUT

Pagina 56

LC-40D68UT1 – 1LC-40D68UTService Manual CHAPTER 1. SPECIFICATIONS[1] SPECIFICATIONSItem Model: LC-40D68UTLCDpanelSize 40" Class (40" Diagona

Pagina 57

LC-40D68UT6 – 11No audio (4)No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception.Is TV selected on the input

Pagina 58

LC-40D68UT6 – 12No monitor audio output Is the audio output from the monitor set at “VARIABLE” or “FIXED” o

Pagina 59

LC-40D68UT6 – 13No audio signal at Digital Audio Output terminal (Analog sound heard)No INPUT-5/6/7 (HDMI) audio. No audio at digital broadcast signal

Pagina 60

LC-40D68UT6 – 141) Power LED (Large classification) LED flashing timing chart for error notification. UnusedError type P

Pagina 61

LC-40D68UT6 – 15 2) Power error details (Power LED flashes twice and OPC LED flashes) 3) Communication error details (Power LED flashes 3 times and OP

Pagina 62

LC-40D68UT7 – 1LC-40D68UTService Manual CHAPTER 7. OVERALL WIRING/BLOCK DIAGRAM[1] OVERALL WIRING DIAGRAM1210976543 8JABCDEFGHI1311 191816151412 17OVE

Pagina 63 - 250ms 1sec

LC-40D68UT7 – 2[2] SYSTEM BLOCK DIAGRAM12310976548JABCDEFGHI1311 191816151412 17SYSTEM BLOCK DIAGRAMIC8001DTV-C5Digital AV decode & Main CPUAMP_PR

Pagina 64

PARTS GUIDEParts marked with " " are important for maintaining the safety of the set. Be sure to replace theseparts with specified ones for

Pagina 65 - OVERALL WIRING/BLOCK DIAGRAM

LC-40D68UT2NO. PARTS CODEPRICE RANKNEW MARKPART DELIVERYDESCRIPTION[1] PRINTED WIRING BOARD ASSEMBLIESN DUNTKF463FM02 BN N X MAIN UnitN DUNTKF465FM02

Pagina 66 - [2] SYSTEM BLOCK DIAGRAM

LC-40D68UT 3[3] CABINET PARTS33-13-2232625273451-311-11-2364629235103235212473533191932918181128151514141515151531191335353513731835133135311216161735

Pagina 67

LC-40D68UT2 – 1LC-40D68UTService Manual CHAPTER 2. OPERATION MANUAL[1] OPERATION MANUALTV (Front)OPC indicatorOPC sensor*POWER indicatorRemote control

Pagina 68

LC-40D68UT4NO. PARTS CODEPRICE RANKNEW MARKPART DELIVERYDESCRIPTION[3] CABINET PARTS1 CCABAC508WJ31 AZ N X Front Cabinet Ass'y1-1 Not available -

Pagina 69 - [3] CABINET PARTS

LC-40D68UT5[4] SUPPLIED ACCESSORIESNO. PARTS CODEPRICE RANKNEW MARKPART DELIVERYDESCRIPTION[4] SUPPLIED ACCESSORIESX1 CANGFA675WJ01 AF N X Stand Suppo

Pagina 70

LC-40D68UT 6[5] PACKING PARTS (NOT REPLACEMENT ITEM)X2X3X6X4X11X1X7X8X9X10Not Replacement itemX5S2S6S6S3S1S4S6S6S6S9S5S8S7S10S10

Pagina 71 - [4] SUPPLIED ACCESSORIES

LC-40D68UT7NO. PARTS CODEPRICE RANKNEW MARKPART DELIVERYDESCRIPTION[5] PACKING PARTS (NOT REPLACEMENT ITEM)S1 SPAKAA520WJZZ - N - Cover SheetS2 SPAKCF

Pagina 72

LC-40D68UTCOPYRIGHT © 2010 BY SHARP CORPORATIONALL RIGHTS RESERVED.No Part of this publication may be reproduced,stored in a retrieval system, or tran

Pagina 73

LC-40D68UT2 – 2Changing VolumeYou can change the volume by pressing VOL /onthe TV or on the remote control unit.To increase the volume, press VOL .To

Pagina 74 - ALL RIGHTS RESERVED

LC-40D68UT2 – 3AV MODEAV MODE gives you several viewing options to choosefrom to best match the surrounding environment of theTV, which can vary due t

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