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Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

114

LC-20D42U

DUNTKE001FMF1

MAIN UNIT (Continued)

FB515

RBLN-A045WJZZY J Ferrite Bead

FB516

RBLN-A045WJZZY J Ferrite Bead

FB518

RBLN-A204WJZZY J Ferrite Bead

FB519

RBLN-A204WJZZY J Ferrite Bead

FB520

RBLN-0039TAZZY

J Ferrite Bead

FB522

RBLN-A204WJZZY J Ferrite Bead

FB531

RBLN-A206WJZZY J Ferrite Bead

FB532

RBLN-A206WJZZY J Ferrite Bead

FB533

RBLN-A206WJZZY J Ferrite Bead

FB534

RBLN-A206WJZZY J Ferrite Bead

FB536

RBLN-A045WJZZY J Ferrite Bead

FB537

RBLN-A045WJZZY J Ferrite Bead

FB1401 RBLN-A330WJQZY J Ferrite Bead

FB1501 RBLN-A074WJZZY J Ferrite Bead

FB1502 RBLN-A074WJZZY J Ferrite Bead

FB1503 RBLN-A074WJZZY J Ferrite Bead

FB1504 RBLN-A074WJZZY J Ferrite Bead

FB1505 RBLN-A204WJZZY J Ferrite Bead

FB1506 RBLN-0093GEZZY J Ferrite Bead

FB1507 RBLN-0093GEZZY J Ferrite Bead

FB1508 RBLN-0093GEZZY J Ferrite Bead

FB1509 RBLN-A204WJZZY J Ferrite Bead

FB1510 RBLN-A192WJZZY J Ferrite Bead

FB1511 RBLN-A192WJZZY J Ferrite Bead

FB1512 RBLN-A074WJZZY J Ferrite Bead

FB1515 RBLN-A188WJZZY J Ferrite Bead

FB2001 RBLN-A206WJZZY J Ferrite Bead

FB2003 RBLN-A005WJZZY J Ferrite Bead

FB2004 RBLN-A005WJZZY J Ferrite Bead

FB2005 RBLN-A005WJZZY J Ferrite Bead

FB2601 RBLN-A188WJZZY J Ferrite Bead

FB2602 RBLN-A188WJZZY J Ferrite Bead

FB2603 RBLN-A188WJZZY J Ferrite Bead

FB2604 RBLN-0207TAZZY

J Ferrite Bead

FB2608 RBLN-A206WJZZY J Ferrite Bead

FB2609 RBLN-A206WJZZY J Ferrite Bead

FB2610 RBLN-A206WJZZY J Ferrite Bead

FB2611 RBLN-A206WJZZY J Ferrite Bead

FB2612 RBLN-A206WJZZY J Ferrite Bead

FB2613 RBLN-A206WJZZY J Ferrite Bead

FB2614 RBLN-A206WJZZY J Ferrite Bead

FB2615 RBLN-A206WJZZY J Ferrite Bead

FB2709 RBLN-0064TAZZY

J Ferrite Bead

FB2710 RBLN-0064TAZZY

J Ferrite Bead

FB2711 RBLN-0064TAZZY

J Ferrite Bead

FB2712 RBLN-0064TAZZY

J Ferrite Bead

FB3301 RBLN-A188WJZZY J Ferrite Bead

FB3303 RBLN-A192WJZZY J Ferrite Bead

FB3304 RBLN-A192WJZZY J Ferrite Bead

FB3307 RBLN-A192WJZZY J Ferrite Bead

FB8101 RBLN-A192WJZZY J Ferrite Bead

FB8102 RBLN-A192WJZZY J Ferrite Bead

FB8103 RBLN-A192WJZZY J Ferrite Bead

FB8104 RBLN-A206WJZZY J Ferrite Bead

FB8105 RBLN-A192WJZZY J Ferrite Bead

FB8106 RBLN-A206WJZZY J Ferrite Bead

FB8107 RBLN-A192WJZZY J Ferrite Bead

FB8108 RBLN-A192WJZZY J Ferrite Bead

FB8109 RBLN-A188WJZZY J Ferrite Bead

FB8111 RBLN-A192WJZZY J Ferrite Bead

FB8112 RBLN-A192WJZZY J Ferrite Bead

FB8113 RBLN-A192WJZZY J Ferrite Bead

FB8114 RBLN-A192WJZZY J Ferrite Bead

FB8115 RBLN-A206WJZZY J Ferrite Bead

FB8116 RBLN-A192WJZZY J Ferrite Bead

FB8117 RBLN-A192WJZZY J Ferrite Bead

FB9701 RBLN-A206WJZZY J Ferrite Bead

FB9705 RBLN-A206WJZZY J Ferrite Bead

FB9708 RBLN-A068WJZZY J Ferrite Bead

FB9711 RBLN-A206WJZZY J Ferrite Bead

FB9712 RBLN-A206WJZZY J Ferrite Bead

FB9713 RBLN-A206WJZZY J Ferrite Bead

FB9718 RBLN-A206WJZZY J Ferrite Bead

MISCELLANEOUS PARTS

J501

QJAKFA039WJZZ

J Jack

J505

QJAKLA032WJZZ

J Jack

J507

QJAKGA117WJZZ

J Jack

J509

QTANZA043WJZZ

J Terminal

J1501

QJAKFA039WJZZ

J Jack

J1502

QJAKJ0008GEZZ

J Jack

LUG1101 QLUGHA006WJZZY J Lug

LUG1102 QLUGHA006WJZZY J Lug

LUG1104 QLUGHA006WJZZY J Lug

LUG1105 QLUGHA006WJZZY J Lug

LUG1106 QLUGHA006WJZZY J Lug

LUG501 QLUGHA006WJZZY J Lug

P502

QPLGNA335WJZZY J Plug,15pin

P1401

QPLGN0055CEZZY J Plug,5pin

P2001

QPLGN0060CEZZY J Plug,10pin

P2002

QPLGNA338WJZZY J Plug,4pin

P2601

QPLGNA522WJQZY J Plug,32pin

P2602

QPLGNA327WJZZY J Plug,7pin

P2603

QPLGNA325WJZZY J Plug,5pin

P2703

QPLGNA173WJZZY J Plug4pin

P9005

QPLGNA173WJZZY J Plug,4pin

P9101

QPLGN0060CEZZY J Plug,10pin

P9201

QPLGNA412WJZZY J Plug,20pin

P9202

QPLGNA144WJZZY J Plug,20pin

P9301

QCNCWA562WJQZYJ Connector,60pin

P9701

QPLGNA168WJZZY J Plug,12pin

SC1501 QSOCZA136WJZZQ J Socket,19pin

SC1502 QSOCZA136WJZZQ J Socket,19pin

SC1503 QSOCN0344FJZZ

J Socket,15pin

SC8401 QSOCZA133WJQZ J Socket,4pin

TH2001 VHHM1103J03-1Y

J Thermistor

VA8401 RH-VXA074WJZZY J Varistor

VA8402 RH-VXA074WJZZY J Varistor

PSLDMB112WJPZ

J Shield

PSLDMB113WJPZ

J Shield

PSLDMB136WJPZ

J Shield

QCNW-F556WJQZ J Connecting Cord

PCLICA009WJKZ

J Clip

PRDARA427WJFW J Heat Sink

PSPAZA635WJKZ

J Spacer

PSPAZB326WJKZ

J Spacer

DUNTKE008FMF1

LED UNIT

INTEGRATED CIRCUIT

IC101

VH+-1Y

J TPS850

TRANSISTORS

Q102

VS2SC3928AR-1Y

J 2SC3928AR

Q103

VS2SC3928AR-1Y

J 2SC3928AR

Q104

VS2SC3928AR-1Y

J 2SC3928AR

Q106

VS2SC3928AR-1Y

J 2SC3928AR

DIODES

D101

RH-EX1244CEZZY J Zener Diode,5.1V

D103

RH-PX0421CEZZY J Diode

D114

RH-PX0421CEZZY J Diode

D115

RH-EX0259TAZZY

J Zener Diode,5.6V

CAPACITORS

C101

RC-KZA176WJZZY J 10 10V Ceramic

C104

VCEASX1CN106MY J 10 16V Electrolytic

C105

VCKYCY1HF103ZY J 0.010 50V Ceramic

C106

VCKYCY1HB223KY J 0.022 50V Ceramic

RESISTORS

R101

VRS-TW2ED000JY J 0 1/4W Metal Oxide

R102

VRS-CY1JF103JY

J 10k 1/16W Metal Oxide AA

R103

VRS-CY1JF104JY

J 100k 1/16W Metal Oxide AA

R104

VRS-CY1JF273JY

J 27k 1/16W Metal Oxide AA

R105

VRS-TW2ED000JY J 0 1/4W Metal Oxide

R106

VRS-CY1JF104JY

J 100k 1/16W Metal Oxide AA

Содержание AQUOS LC-20D42U

Страница 1: ...t notice LCD COLOR TELEVISION CONTENTS IMPORTANT SERVICE SAFETY PRECAUTION 2 SPECIFICATIONS 5 OPERATION MANUAL 6 DIMENSIONS 9 REMOVING OF MAJOR PARTS 10 ADJUSTING PROCEDURE OF EACH SECTION 15 PUBLIC MODE SETTING PROCEDURE 26 TROUBLESHOOTING TABLE 31 MAJOR IC INFORMATIONS 42 BLOCK DIAGRAM 44 OVERALL WIRING DIAGRAM 46 DESCRIPTION OF SCHEMATIC DIAGRAM 48 SCHEMATIC DIAGRAM ËLED Unit 49 ËMAIN Unit 50 Ë...

Страница 2: ...stor All checks must be repeated with the AC cord plug connection reversed If necessary a nonpolarized adaptor plug must be used only for the purpose of completing these checks Any reading of 0 75 Vrms this corresponds to 0 5 mA rms AC or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner SAFETY NOTICE Many electrical and mech...

Страница 3: ... de compartiment les réseaux de résistancecapacité les isolateurs mécaniques etc S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de cou rant de 120V Ne pas utiliser de transformateur d isolation pour cet essai A l aide de deux fils à pinces brancher une résistance de 1 5 k 10 watt...

Страница 4: ...lder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of the soldering b...

Страница 5: ...2 W H D Operating temperature 3 147 264 dots 1366 768 3 dots American TV Standard ATSC NTSC System VHF 2 13ch UHF 14 69ch 1 135ch non scrambled channel only 2 69ch BTSC System 60 000 hours at Backlight Standard position 5W 2 AV in COMPONENT in AV in AV in S VIDEO in HDMI in with HDCP HDMI Analog Audio in HDMI in with HDCP 75 Ω Unbalance F Type 1 for Analog VHF UHF CATV and Digital AIR CABLE Optica...

Страница 6: ...ensor Remote control sensor OPC Optical Picture Control See page 16 for TV status indicator OPC indicator Volume buttons VOL POWER button Channel buttons CH INPUT button MENU button SOFT UPDATE The ordinary user never uses it USB terminal TV Rear HDMI terminal INPUT 4 INPUT 3 terminals INPUT 1 terminals HDMI terminal INPUT 5 DIGITAL AUDIO OUTPUT terminal Antenna Cable in AC INPUT terminal INPUT 2 ...

Страница 7: ...Set the favorite channels 13 AUDIO Selects the MTS SAP or the audio mode during multi channel audio broadcasts 14 ENT Jumps to a channel after selecting with the 0 9 buttons 15 CH Select the channel 16 MUTE Mute the sound 17 SURROUND Select Surround settings 18 FLASHBACK Return to the previous channel or external input mode 19 MENU Display the menu screen 20 ENTER Select a desired item on the scre...

Страница 8: ...ss Advanced Color Temp Black I P Setting Film Mode Monochrome Range of OPC No Signal Off No Operation Off No Signal Off No Operation Off EZ Setup CH Setup Antenna Setup DIGITAL Input Skip Input Label Parental CTRL Position Language Clock Setup Music Player Input Reset Input Skip Input Signal Auto Sync Input Label Fine Sync Position Language Clock Setup Music Player Input Reset Audio Only Digital N...

Страница 9: ...9 LC 20D42U DIMENSIONS 1233 64 318 2035 64 522 1715 32 443 6 14 19 64 363 1 27 64 36 223 64 60 35 8 92 855 64 225 315 16 100 3 15 16 100 9 13 16 249 4 533 64 140 9 7 32 234 15 45 64 399 2 7 16 62 ...

Страница 10: ...rew and detach the Stand Cover 2 Remove the 4 lock screw and detach the Stand Assy 3 Remove the USB Cover 4 Remove the 5 lock screws 4 lock screws 3 lock screws 1 lock screw and detach the Cabinet B 1 2 4 3 USB Cover Cabinet A Stand Cover Cabinet B Stand Assy ...

Страница 11: ...11 LC 20D42U 5 Remove the 6 lock screws 3 lock screws and detach the Main Shield 6 Remove the 2 lock screws and detach the Chassis Frame 5 6 Main Shield Chassis Frame ...

Страница 12: ...s and detach Top Cover Assy 9 Remove the 2 lock screws from the Top Cover Assy and detach the KEY Unit 10 Remove the 4 lock screws and detach the Speaker Assy L R 11 Remove the 2 lock screws and detach the R C LED Unit 7 7 8 9 10 10 11 Speaker Assy L R R C LED Unit Top Cover Assy KEY Unit ...

Страница 13: ... 5 lock screws and detach the POWER Unit 13 Remove the 6 lock screws and detach the MAIN Unit 14 Remove the 2 lock rivets and detach the Radiator 15 Remove the 2 Earth Plate 12 13 14 15 Earth Plate POWER Unit Radiator MAIN Unit ...

Страница 14: ...14 LC 20D42U 16 Remove the 6 lock screws 5 lock screws and detach the Back Shield 16 Back Shield ...

Страница 15: ...th USB connectivity To upgrade the main software it is necessary to get ready the USB Memory for version upgrade before you start Follow the steps below and create the USB Memory for version upgrade Caution Never POWER OFF the unit when software upgrade is on going Otherwise the system may be damaged beyond recovery Get ready before you start Preparations 1 Copy the file 42LTAxxx USB named tempora...

Страница 16: ...and 42LTMxxx BIN named temorarily for monitor microprocessor software version upgrade to th USB memory 1 Unplug the AC cord make sure AC power shut down more than 1 minute 2 Insert the USB memory for version upgrade prepared as above into the service socket located Right side from center at terminals above HDMI4 terminal in the rear of the unit 3 plug in the AC cord with power button pressing How ...

Страница 17: ...5K component signal Y level 0 714 Vp p 0 02 from pedestal to white Pb Pr LEVEL 0 7 Vp p 0 02 Vp p 33K component signal Y LEVEL 0 7 Vp p 0 02 Vp p from pedestal to white Pb Pr LEVEL 0 7 Vp p 0 02 Vp p Analog RGB signal RGB LEVEL from pedestal to white UPGRADE FAILURE MONITOR NG Model err 0 95 OLD Version NEW Version 0 95 1 MICON SOFTWARE Writing 1 Monitor Micon and Main Micon software writing Main ...

Страница 18: ... 100 color Bar signal to VIDEO1 COMPONENT input 2 Automatic adjust ment execution Move the cursor t0 COMP 15K ALL ADJ and press the ENTER key When COMP 15K ALL ADJ OK appears the adjustment is complete 1 Setting 1080i signal Feed the 100 color Bar signal to VIDEO1 CIMPONENT input 2 Automatic adjust ment execution Move the cursor to HDTV ADJ and press the ENTER key When HDTV ADJ OK appears the adju...

Страница 19: ...US 4 AIR ch Feed the NTSC signal to RF ANTENNA 2 Automatic adjust ment execution Move the cursor to TUNER VCH IIP TEST 04ch and press the ENTER key Select the channel according to RF signal When A OK VM OK appears in blue the test is complete If A NG VM NG appears in yellow or red the test is incomplete Make sure a displacement of 0 0625MHZ from the center frequency is acceptable 0 black XGA 100 c...

Страница 20: ...f RGB setting 4 at each point Adjustment value As per the standard set submitted by Engineering Department LC 20D42U Teaching Set Adjustment reference Instrument Minolta CA 210 Engineering instrument Point 4 Level Reference Adj spec Ins spec WBI40680 Point 6 928 X 0 272 0 0012 0 0020 MG4G MG4B Point 5 800 X 0 272 0 0012 0 0020 MG4R Point 4 680 X 0 272 0 0012 0 0020 Point 3 WBI30480 Point 3 480 X 0...

Страница 21: ...EDID has been written the RGB input does not function normally 2 HDMI EDID Writing Inspection mode File version checking 1 2 Write the data before the HDMI inspection with the checker In the HDMI inspection use a DDC compatible device If the EDID has been written the HDMI input does not function normally protection Adjustment item Adjustment conditions Adjustment procedure Using the checker write ...

Страница 22: ...umber with zero fill In order to adjust by reducing the value set the strongest color as the fixed color The default adjustment value of RGB is the parameter value of the LEV6 command multiplied by 2 Adjustment values are set OK Adjustment gradation setting point 5 200 gradation adjustment LEV50200 Adjustment values are set OK Repeat until RGB become the target values Pattern display Adjustment va...

Страница 23: ...e following value to XXXX the value set with LEV4 x 2 x the ratio Adjustment values are set OK Pattern display Adjust RB to the target xy values MG4RXXXX MG4BXXXX XXXX indicates the adjusted values between 0000 and 1023 4 digit decimal number with zero fill G is fixed The default adjustment value of RGB is the parameter value of the LEV4 command multiplied by 2 Adjustment values are set OK Repeat ...

Страница 24: ...to XXXX the value set with LEV2 x 2 x the ratio Adjustment values are set OK Pattern display Start measurement Adjust RB to the target xy values MG2RXXXX MG2BXXXX XXXX indicates the adjusted values between 0000 and 1023 4 digit decimal number with zero fill G is fixed The default adjustment value of RGB is the parameter value of the LEV2 command multiplied by 2 Adjustment values are set OK Repeat ...

Страница 25: ...ry settings are complete If an error occurs ERROR appears on the red screen Finally turn off AC power The following settings are returned to the factory ones 1 User settings 2 Channel data broadcast frequencies etc 3 Password setting 4 Operation time 5 Automatic installation flag 6 V CHIP block setting PC Set Adjust RB to the target xy values MG1RXXXX MG1BXXXX XXXX indicates the adjusted values be...

Страница 26: ...the password input screen displayed Procedure The input starts with the leftmost digit Use the numeric keys 1 thru 9 and 0 key on the remote controller The other keys are not acceptable With a numeric key input will change to The input position will move one digit to the right With all the 3 digits entered the password will be verified 3 The 3 digit password is now verified The password 0 2 7 prov...

Страница 27: ... initialized The adjustment process remains intact 4 Public Mode Menu The guidance is not displayed onscreen Setup procedure To move the cursor up and down use the cursor UP DOWN key remote controller and CH ù Ù key remote controller and set To change the settings use the cursor RIGHT LEFT key remote controller and VOL key remote controller and set To save new settings keep the cursor at EXECUTE a...

Страница 28: ...ound volume can be adjusted from 0 to 60 irrespective of pre adjusted value When the sound volume is set higher than the MAX setting by the adjusting process the sound volume control operation is prohibited for turn up and the sound volume should be turned down to MAX in this state Selection Default Explanation Limit in Setting Exception Remarks Selection between Variable and Fixed loop provided V...

Страница 29: ...etup after power ON irrespective of setting Selection Default Explanation Limit in Setting Exception Remarks Selection between Respond and No respond loop provide Respond All the operations by keys except the power key of the unit can be invalidated Inspection mode and hotel menu mode can be started irrespective of setting All the keys can be used in adjustment process inspection mode and hotel me...

Страница 30: ...dard mode the operation follows the last memory All the input sources in the model are made selectable When the input output switchable input source is selected and the input source is set to output the setting of input output switching is changed to input at the execution of hotel menu In addition the input output switching by menu is prohibited In TV mode the channel to be set follows the last m...

Страница 31: ...placing F1 replace Q1 and PC1 Connect the hamess and Cable properly Connect the AC cord and turn on the power Is the AC cord connected Are the harness and Cable connected properly Is the voltage of C4 approx 160V Are F1 normal Are UR12V supplied Is 24V supplied Do the primary side and secondary side of T1 T1A oscillate normally Are D20 out of order Are there defective parts on the pri mary side Is...

Страница 32: ...OUTL R of IC1401 to pins 51 and 52 of IC1404 CODEC normal Check the connector P2703 of AV_UNIT and around the speakers Are audio outputs A OUT_L R of pins 38 and 39 of IC1404 normal Is audio input from pins 38 and 39 of IC1404 to pin 3 and 5 of IC2701 STEREO_AMP normal Check the circuits between pins 38 and 39 of IC1404 and pins 3 and 5 of IC2701 MUTE cercuits Q1307 Q1314 Q1313 No Yes Check IC2701...

Страница 33: ... audio signal fed from pin 2 of input terminal J1502 to pin 55 of IC1404 Is R ch audio signal fed from pin 3 of input terminal J1502 to pin 56 of IC1404 INPUT 1 Is L ch audio signal fed from input terminal J505 to pin 12 of IC1405 Is R ch audio signal fed from input terminal J505 to pin 1 of IC1405 INPUT 2 Is L ch audio signal fed from input terminal J505 to pin 15 of IC1405 Is R ch audio signal f...

Страница 34: ...mal input INPUT 1 Is INPUT 1 selected on the input switching menu screen Is video signal fed to pin 21 of IC501 AV SWITCH Is video signal sent to pin 60 of IC501 Check IC501 AV SWITCH and peripheral circuits No Yes No Yes Check IC2602 and peripheral circuits Check between IC501 and IC3301 Q2202 Q2210 etc Is video signal fed to pin K25 of IC8101 Broadcom via L P F composed of Q2202 and Q2210 Are di...

Страница 35: ...H and peripheral circuits Q501 Q502 Q503 Q504 etc Check between IC501 Q501 Q502 Q503 Q504 etc No Yes No Yes Check IC2602 and peripheral circuits Check between SC1101 and IC3301 Q2202 Q2210 etc Q2203 Q2211 etc Are digital video LVDS signals sent from pins 37 42 and 45 48 of IC2602 Check LCD_CONTROL PWB No Are digital video COMOS signal sent from IC8101 DVODATA 0 23 DVOCLKO DVODE DVOHSYNC DVOVSYNC C...

Страница 36: ...eo signal fed to pin 7 of IC1103 LEVEL ADJ Is video signal fed to pin R26 of IC8101 Broadcom via L P F composed of Q2204 and Q2208 Yes No Yes Check IC2602 and peripheral circuits Check between IC1103 and IC3301 Q2204 Q2208 etc Are digital video LVDS signals sent from pins 37 42 and 45 48 of IC2602 Check LCD_CONTROL PWB No Are digital video COMOS signal sent from IC8101 DVODATA 0 23 DVOCLKO DVODE D...

Страница 37: ... detection function normal Check between 6 pin of J507 and pin 38 of IC501 No Yes Are Y Pb and Pr signals sent to pins 60 59 and 58 of IC501 respectively Check IC501 and perpheral circuits No Yes Are component video signals sent to R574 R580 R586 Via the Net of Q501 Q506 Check between IC501 and SC501 Q501 Q506 etc No Yes Are Y Pb and Pr signals fed to pins L26 J25 and J26 of IC8101 Broadcom respec...

Страница 38: ...Low and pin 22 is High Check LCD_CONTROL PWB Check IC1501 and peripheral circuits Are cables connected securely No Yes Are digital video LVDS signals sent from pins 37 42 and 45 48 of IC2602 Check IC2602 and peripheral circuits No Are digital video COMOS signal sent from IC8101 DVODATA 0 23 DVOCLKO DVODE DVOHSYHC DVOVSYNC Check IC8101 and peripheral circuits No Check the setting of HDMI device Whe...

Страница 39: ...ck IC1502 and peripheral circuits Are cables connected securely No Yes Are digital video LVDS signals sent from pins 37 42 and 45 48 of IC2602 Check IC2602 and peripheral circuits No Are digital video COMOS signal sent from IC8101 DVODATA 0 23 DVOCLKO DVODE DVOHSYHC DVOVSYNC Check IC8101 and peripheral circuits No Check the setting of HDMI device When using an old HDMI transmission device some vid...

Страница 40: ... DVODATA0 23 DVOCLKO DVODE DVOHSYHC DVOVSYNC Check IC8101 and peripheral circuits No Check the setting of PC When using an old HDMI transmission device some video formats cannot be selected or no sound is heard Since this model conforms to the latest HDMI standard the HDMI transmission device does not recognize the data of the latest version correctly It is necessary to upgrade its firmware Downlo...

Страница 41: ...or main CPU start up failure Time out setting and start up mode change cannot be received from the main CPU Start up communication until time out setting and startup mode change is not received Basically communication logs are analyzed by a bus monitor or debug print logs are analyzed Main CPU start up failure or monitor microprocessor s reception failure Regular communication that is performed at...

Страница 42: ...D_AVD D1P2 SD_AGN D SD_AVD D1P2 SD_AGN D OB_DVD D1P2 OB_IFV CO_N OB_IFV CO_P M N DDR0_C LK0 DDR0_C LK0B DDR0_D ATA08 DDR0_D ATA13 DDR0_D QS1 DDR0_D M1 GND VDDC GND GND GND GND GND GND GND GND GND VDDC VDDO OB_AVS S OB_AVD D1P2 OB_DVS S OB_AVD D2P5 CLK54_ AVDD1P 2 OB_I_N OB_I_P N P DDR0_D ATA10 DDR0_D ATA12 DDR0_D ATA14 DDR0_D M0 DDR0_D QS0 DDR0_D ATA02 DDR_VD DP VDDC GND GND GND GND GND GND GND GN...

Страница 43: ... MEMO 43 LC 20D42U ...

Страница 44: ...TA 23 0 DVICLK DVIHSYNC DVIVSYNC DVIDE DS_AGCI_CTL Digital Out DVO DATA 23 0 DVOCLK0 DVOCLK1 DVODE DVOHSYNC DVOVSYNC DVODE EDSAFE_CVBS_0 SD_L SD_CVBS FCLK CVBS SD_PB SD_PR SD_C TMDS_SEL_D 2 0 TMDS_SEL_CLK HDMI_DATA 2 0 HDMI_CLK IC3304 RGB ADC Mstar 3ch 10bit ADC 2mux ch 108MHz 1080i 85 5MHz WXGA HDMI_I2C I2S_IN I2S_OUT X3301 14 318MHz SD_Y Y Cb Cr 3 3V 2 5V IC1103 AMP I2C_2 400KHz 3 3V IC8451 EEPR...

Страница 45: ...PC R C 12V BackUp BU 3 3V D_POW PNL5V_ON RESET 54 000MHz RA P502 15p BU 3 3V EA 23 1 ED 15 0 ut TA 23 0 K0 K1 YNC YNC X8101 X tal 54MHz FCLK IC2002 CPU M16 BU 3 3V X2001 X tal I2C A D 2 A D A D INT0 PM_REQ SRESET CBOOTS 20MHz IC2001 Reset UART TEMP 3 0 O S_SET FRAME TH2001 Thermister Von I2C AC_DET Vbrt THERMO SW SW IC8301 IC8302 DDR SDRAM 256Mbit 2 DDR 400 AFT 33 0MHz RESET INT SRESET RESET I2C_B...

Страница 46: ...51 KEY UNIT KEY UNIT 1 4 P502 P502 QCNW F723WJPZ QCNW F723WJPZ QCNW F727WJQZ QCNW F727WJQZ QCNW F726WJQZ QCNW F726WJQZ QCNW F724WJQZ QCNW F724WJQZ QCNW F206WJQZ QCNW F206WJQZ J1501 J1501 J507 J507 J509 J509 J505 J505 J501 J501 SC1503 SC1503 D1306 D1306 J1502 J1502 SC1501 SC1501 SC8401 SC8401 SC1502 SC1502 1 4 1 4 1 15 P2602 P2602 P9701 P9701 P2603 P2603 P2601 P2601 1 12 1 5 1 7 1 32 CN LCD CO CN1 ...

Страница 47: ... INVERTER UNIT UNIT CN103 CN103 23WJPZ 727WJQZ 26WJQZ QCNW F725WJQZ QCNW F725WJQZ To LAMP To LAMP To LAMP To LAMP To LAMP 80 80 CN1 CN1 CN2 CN2 LCD CONTROL UNIT LCD CONTROL UNIT 1 7 1 32 1 14 POWER POWER UNIT UNIT CN1 CN1 AC IN AC IN CN2 CN2 1 12 1 10 4 ...

Страница 48: ...4 15 does not use it CAUTION This circuit diagram is original one therefore there may be a slight difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING IMPORTANT SAFETY NOTICE PARTS MARKED WITH å ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET B...

Страница 49: ...6 5 4 3 2 1 A B C D E F G H 49 LC 20D42U SCHEMATIC DIAGRAM ËLED Unit ...

Страница 50: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 LC 20D42U ËMAIN Unit 1 20 ...

Страница 51: ...17 16 19 18 15 14 13 12 11 10 51 LC 20D42U ...

Страница 52: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 LC 20D42U ËMAIN Unit 2 20 ...

Страница 53: ...17 16 19 18 15 14 13 12 11 10 53 LC 20D42U ...

Страница 54: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 LC 20D42U ËMAIN Unit 3 20 ...

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Страница 91: ...17 16 19 18 15 14 13 12 11 10 91 LC 20D42U ...

Страница 92: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 92 LC 20D42U LED Unit Side A PRINTED WIRING BOARD ASSEMBLIES LED Unit Chip Parts Side A LED Unit Side B ...

Страница 93: ...17 16 19 18 15 14 13 12 11 10 93 LC 20D42U ...

Страница 94: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 94 LC 20D42U MAIN Unit Side A ...

Страница 95: ...17 16 19 18 15 14 13 12 11 10 95 LC 20D42U ...

Страница 96: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 96 LC 20D42U MAIN Unit Chip Parts Side A ...

Страница 97: ...17 16 19 18 15 14 13 12 11 10 97 LC 20D42U ...

Страница 98: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 98 LC 20D42U MAIN Unit Side B ...

Страница 99: ...17 16 19 18 15 14 13 12 11 10 99 LC 20D42U ...

Страница 100: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 100 LC 20D42U MAIN Unit Chip Parts Side B ...

Страница 101: ...17 16 19 18 15 14 13 12 11 10 101 LC 20D42U ...

Страница 102: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 102 LC 20D42U KEY Unit ...

Страница 103: ...17 16 19 18 15 14 13 12 11 10 103 LC 20D42U ...

Страница 104: ...nseignements suivants 1 NUMERO DU MODELE 2 NO DE REF 3 NO DE PIECE 4 DESCRIPTION in CANADA Contact SHARP Electronics of Canada Limited Phone 416 890 2100 Note Les numéros de référence sur la plaquette de circuit imprimé sont rangés dans l ordre alphabétique Ref No Part No Description Code LC 20D42U PRINTED WIRING BOARD ASSEMBLYS NOT REPLACEMENT ITEM DUNTKE001FMF1 MAIN UNIT DUNTKE008FMF1 LED UNIT D...

Страница 105: ...AD D9706 VHDDG1M3 1Y J Diode AC D9707 VHD1SS352 1Y J Diode AB D9708 VHD1SS352 1Y J Diode AB D9709 VHD1SS352 1Y J Diode AB D9710 RH EX0262TAZZY J Zener Diode 7 5V AB IC8401 VHIPQ1M505M 1Y J PQ1M505M AD IC8451 RH IXC069WJQZY J IXC069WJQZY AQ IC8452 VHIS29GL064 1Q J S29GL064 AT IC8454 VHIBR24L64F 1Y J BR24L64F AK IC9101 RH IXB860WJQZQ J IXB860WJQZQ AR IC9601 VHITPS40055 1Y J TPS40055 AN IC9602 VHIMP2...

Страница 106: ...VCCCCZ1HH101JY J 100p 50V Ceramic AB C1473 VCKYCZ1EF104ZY J 0 10 25V Ceramic AA C1474 VCERMZ1CN107MY J 100 16V Capacitor AL AD C1475 VCKYTV1CB105KY J 1 16V Ceramic AC C1476 VCKYTV1CB105KY J 1 16V Ceramic AC C1501 VCCCCZ1HH560JY J 56p 50V Ceramic AB C1502 VCCCCZ1HH560JY J 56p 50V Ceramic AB C1503 VCKYCZ1HB221KY J 220p 50V Ceramic AA C1504 VCKYCZ1HB221KY J 220p 50V Ceramic AA C1505 VCKYCZ1HB102KY J ...

Страница 107: ...AB473KY J 0 047 10V Ceramic AB C3315 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3316 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3317 VCKYCZ1AB473KY J 0 047 10V Ceramic AB C3318 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3319 VCKYCZ1AB473KY J 0 047 10V Ceramic AB C1509 VCKYTV1CB105KY J 1 16V Ceramic AC C1510 VCKYTV1CB105KY J 1 16V Ceramic AC C1511 VCKYTV1CB105KY J 1 16V Ceramic AC C1512 VCKYTV1CB105KY J 1 16V Cer...

Страница 108: ...c AA C8262 VCKYCZ1AB473KY J 0 047 10V Ceramic AB C8263 VCKYCZ1HB272KY J 2700p 50V Ceramic AA C8264 VCKYCZ1HB471KY J 470p 50V Ceramic AB C8265 VCKYCZ1HB102KY J 1000p 50V Ceramic AB C8323 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3320 VCKYCZ1AB473KY J 0 047 10V Ceramic AB C3321 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3322 VCKYCZ1AB104KY J 0 10 10V Ceramic AB C3323 RC KZA237WJZZY J 10 16V Ceramic AB C3324 ...

Страница 109: ...1JY J 560 1 16W Metal Oxide AA R588 VRS CZ1JF561JY J 560 1 16W Metal Oxide AA R589 VRS CZ1JF564JY J 560k 1 16W Metal OxideAB R590 VRS CZ1JF564JY J 560k 1 16W Metal OxideAB R592 VRS CZ1JF103JY J 10k 1 16W Metal Oxide AA R593 VRS CZ1JF473JY J 47k 1 16W Metal Oxide AA R594 VRS CZ1JF222JY J 2 2k 1 16W Metal Oxide AA R596 VRS CZ1JF000JY J 0 1 16W Metal Oxide AA R602 VRS CZ1JF000JY J 0 1 16W Metal Oxide...

Страница 110: ...etal Oxide AA R1529 VRS CZ1JF101JY J 100 1 16W Metal Oxide AA R1530 VRS CZ1JF102FY J 1k 1 16W Metal Oxide AA R1531 VRS CZ1JF330JY J 33 1 16W Metal Oxide AA R1532 VRS CZ1JF473FY J 47k 1 16W Metal Oxide AA R1533 VRS CZ1JF101JY J 100 1 16W Metal Oxide AA R612 VRS CZ1JF000JY J 0 1 16W Metal Oxide AA R613 VRS CZ1JF000JY J 0 1 16W Metal Oxide AA R614 VRS CZ1JF000JY J 0 1 16W Metal Oxide AA R615 VRS CZ1J...

Страница 111: ... Metal Oxide AA R2244 VRS CZ1JF750JY J 75 1 16W Metal Oxide AA R2245 VRS CZ1JF750JY J 75 1 16W Metal Oxide AA R2246 VRS CZ1JF750JY J 75 1 16W Metal Oxide AA R2247 VRS CZ1JF750JY J 75 1 16W Metal Oxide AA R2248 VRS CZ1JF122JY J 1 2k 1 16W Metal Oxide AA R1534 VRS CZ1JF473FY J 47k 1 16W Metal Oxide AA R1535 VRS CZ1JF473FY J 47k 1 16W Metal Oxide AA R1536 VRS CZ1JF100JY J 10 1 16W Metal Oxide AA R153...

Страница 112: ...xide AA DUNTKE001FMF1 MAIN UNIT Continued R8124 VRS CZ1JF272JY J 2 7k 1 16W Metal Oxide AA R8125 VRS CZ1JF272JY J 2 7k 1 16W Metal Oxide AA R8127 VRS CZ1JF472FY J 4 7k 1 16W Metal Oxide AA R8128 VRS CZ1JF472FY J 4 7k 1 16W Metal Oxide AA R8129 VRS CZ1JF472FY J 4 7k 1 16W Metal Oxide AA R8130 VRS CZ1JF472FY J 4 7k 1 16W Metal Oxide AA R8131 VRS CZ1JF103JY J 10k 1 16W Metal Oxide AA R8133 VRS CH1JF1...

Страница 113: ... Metal Oxide AA R9304 VRS CZ1JF103JY J 10k 1 16W Metal Oxide AA R9305 VRS CZ1JF472JY J 4 7k 1 16W Metal Oxide AA R9306 VRS CZ1JF103JY J 10k 1 16W Metal Oxide AA R9313 VRS CZ1JF104JY J 100k 1 16W Metal OxideAA R9315 VRS CZ1JF472JY J 4 7k 1 16W Metal Oxide AA R9316 VRS CZ1JF472JY J 4 7k 1 16W Metal Oxide AA R9317 VRS CH1JF472JY J 4 7k 1 16W Metal Oxide AA R9324 VRS CZ1JF102JY J 1k 1 16W Metal Oxide ...

Страница 114: ...rite Bead AA FB8113 RBLN A192WJZZY J Ferrite Bead AA FB8114 RBLN A192WJZZY J Ferrite Bead AA FB8115 RBLN A206WJZZY J Ferrite Bead AA FB8116 RBLN A192WJZZY J Ferrite Bead AA FB8117 RBLN A192WJZZY J Ferrite Bead AA FB9701 RBLN A206WJZZY J Ferrite Bead AA FB9705 RBLN A206WJZZY J Ferrite Bead AA FB9708 RBLN A068WJZZY J Ferrite Bead AB FB9711 RBLN A206WJZZY J Ferrite Bead AA FB9712 RBLN A206WJZZY J Fer...

Страница 115: ...Jack AD P101 QPLGNA335WJZZY J Plug 15pin AD RMC101 RRMCUA034WJQZ J Remote Receiver AE DUNTKE009FMF1 KEY UNIT DIODES D151 RH EX0646GEZZY J Zener Diode 15V AA D152 RH EX0646GEZZY J Zener Diode 15V AA D155 RH EX0646GEZZY J Zener Diode 15V AA RESISTORS R152 VRD RA2BE123JY J 12k 1 8W Carbon AA R154 VRD RA2BE123JY J 12k 1 8W Carbon AA R151 VRD RA2BE822JY J 8 2k 1 8W Carbon AA R153 VRD RA2BE822JY J 8 2k ...

Страница 116: ...01WEF1 J MAIN Unit CS 5 2 PRDARA427WJFW J Radiator AK 5 3 PSPAZA635WJKZ J For Radiator AC 5 4 PSPAZB326WJKZ J For EMI AK 5 5 QEARPA249WJFW J Earth Plate AC 5 6 PCLICA009WJKZ J Radiator Holder AD 6 R1LK200T3LZ20Y J 20 Wide LCD Panel Module Unit DR 7 PSLDMB084WJFW J Back Shield AY 8 PSPAGA365WJZZ J Spacer AE 9 LCHSMA356WJKA J Chassis Frame AG 10 PSLDMB070WJFE J Main PWB Shield AT 11 PDUC A086WJZZ J ...

Страница 117: ... 2 1 8 1 7 1 6 23 29 11 20 28 24 29 29 29 11 1 1 1 2 1 1 3 KEY Unit R C LED Unit 5 2 31 32 31 10 31 32 7 5 8 9 O I K E J 5 4 5 3 5 1 5 6 F G 5 4 MAIN Unit 19 19 29 D H A N M L POWER Unit 12 30 29 27 26 25 6 M N L O 36 32 33 13 34 B G 33 32 32 15 17 16 35 14 2 5 2 4 2 2 2 3 2 1 3 3 3 1 3 2 3 4 3 6 3 5 3 7 3 8 18 35 35 ...

Страница 118: ...4 QACCDA038WJPZ J AC Cord AL X5 UCLEZA001WJZZ J Cleaning Cloth AD X6 TINS C961WJZZ J Operation Manual AN SERVICE JIGS USE FOR SERVICING QCNW F640WJQZ J Extension Cord 12pin AR MAIN to POWER Unit QCNW F710WJQZ J Extension Cord x2 AY INVERTER to MAIN Unit INVERTER to POWER Unit QCNW F642WJQZ J Extension Cord 7pin AN MAIN to LCD CTRL Unit QCNW F643WJQZ J Extension Cord 30pin AG MAIN to LCD CTRL Unit ...

Страница 119: ...119 LC 20D42U PACKING OF THE SET ...

Страница 120: ... and Production Information Design NSEC Production NSEC COPYRIGHT 2007 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher LC 20D42U ...

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