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PARTS GUIDE

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.

LC-80LE642U

PartsGuide

[1] PRINTED WIRING BOARD

ASSEMBLIES

[2] LCD PANEL MODULE UNIT

[3] CABINET AND MECHANICAL

PARTS

[4] SUPPLIED ACCESSORIES/

PACKING PARTS

[5] SERVICE JIG

(USE FOR SERVICING)

CONTENTS

No. S73B9LC80LE64

LCD COLOR TELEVISION

LC-80LE642U

MODEL

Содержание Aquos LC-80LE642U

Страница 1: ...JOR PARTS 1 REMOVING OF MAJOR PARTS 4 1 2 The location putting on the heat measure sheet 4 9 3 Precautions for assembly 4 10 CHAPTER 5 ADJUSTMENT 1 ADJUSTMENT PROCEDURE 5 1 2 PUBLIC MODE SETTING PROCEDURE 5 15 CHAPTER 6 TROUBLESHOOTING TABLE 1 Failure diagnosis by LED in front of cabinet 6 1 2 LED flashing specification at the time of an error Center icon LED used 6 1 3 TROUBLESHOOTING TABLE 6 4 C...

Страница 2: ...ltage drop across the resistor 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 NOTIC...

Страница 3: ... et 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 kΩ 10 ...

Страница 4: ... solder 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 solderin...

Страница 5: ...DUNTKF494FM01 R C OPC Unit N DUNTKF770FM02 ICON Unit N DUNTKF800FM53 KEY Unit N RUNTKA936WJQZ Wi Fi Unit N RUNTKB096WJQZ POWER DRIVE Unit Ref NO PARTS CODE DESCRIPTION N R1LK800D3GW10Z 80 LCD Panel Module Unit LK800D3GW10Z Ref No Parts No Description Q ty IC2004 RH iXD515WJN7Q IC Monitor Microprocessor 1 Ref No PARTS CODE DESCRIPTION N N QCNW C222WJQZ Connecting Cord L 1000mm 80pins LCD Control Un...

Страница 6: ...LC 80LE642U 1 1 Service Manual CHAPTER 1 SPECIFICATIONS 1 SPECIFICATIONS ...

Страница 7: ...LC 80LE642U 2 1 Service Manual CHAPTER 2 OPERATION MANUAL 1 OPERATION MANUAL ...

Страница 8: ...LC 80LE642U 2 2 ...

Страница 9: ...LC 80LE642U 2 3 ...

Страница 10: ...LC 80LE642U 2 4 ...

Страница 11: ...LC 80LE642U 3 1 Service Manual CHAPTER 3 DIMENSIONS 1 DIMENSIONS ...

Страница 12: ...etach the Rear Cabinet Assy Precautions when mounting and removing the rear cabinet If the rear cabinet is removed with the set upright the speakers may fall it results in connector disconnection Therefore never remove the rear cab inet with the set upright Be sure to remove the rear cabinet with the screen side down 2 Stand Unit Rear Cabinet Assy 5 1 3 4 4 4 䎾䎤䎦䏀䎤䎦䎃䎦䏒䏕䏇 Tighten together with the...

Страница 13: ... as 1 Please grasp the swelling of a speaker and pull back with pushing down Remove one hook under an operation 2 Put a hand in terminal area and pull it back and the other hand holds top side of TV set Remove all right hand side hook 2WV C JCPF DGVYGGP VGTOKPCN CPING CPF 4GCT CDKPGV UU CPF RWNN VJGO DCEM ...

Страница 14: ...ttom cover and Rear Cabinet Assy And pull Rear Cabinet Assy Remove all left hand side hook 4 Two persons stand on the both sides of TV SET and have a Front Cabinet Assy and a Rear Cabinet Assy by each hand Two persons pull a Rear Cabinet Assy horizontally back simultaneously and remove it ...

Страница 15: ...Push Push Push Push Push CAUTION Set it so that there may not be a clearance between Front Cabinet Assy and Rear Cabinet Assy There is a gap without the fingernail fitting in completely only when covering with Rear Cabinet Assy The fingernail is surely fixed when Rear cabinet Assy is firmly pushed and the gap disappears ...

Страница 16: ...sy 5 Disconnect the KM wire 6 Remove the 2 lock screws and detach the Key Button from Key Button Cover 7 Detach the KEY Unit from Key Button How to remove KEY Unit Assy 1 When you remove KEY Unit Assy please be sure to remove harness from WH and to hold the bottom of KEY Unit Assy 7 5 4 8 6 Key Button KEY Unit KEY Unit Assy Key Button Cover SP KM SP RC MAIN Unit 3 1 Speaker R 2 1 Speaker L ...

Страница 17: ...wing connectors from the POWER DRIVE Unit L1 L2 PD 3 Disconnect the following connectors from the LCD Control Unit PL LW 4 Remove the 27 Hooks and detach the 80 LCD Panel Module Unit Assy 5 Detach the 2 Bottom cover PD UB LV MAIN Unit LCD Control Unit POWER DRIVE Unit Hock Hock Hock Hock L1 L2 PD PL LW 1 80 LCD Panel Module Unit Assy MAIN Unit 2 Bottom cover ...

Страница 18: ... and Terminal Angle Bottom 4 Remove the 6 lock screws and detach the POWER DRIVE Unit 5 Remove the 12 lock screws and detach the 2 Stand Angles 6 Remove the 16 lock screws and detach the 4 VESA Angle Assys 80 LCD Panel Module Unit 11 10 1 FFC 2 Ferrite Core LCD Control Unit 12 3 13 12 POWER DRIVE Unit Stand Angle 13 Stand Angle 4 14 15 VESA Angle Assy 14 15 VESA Angle Assy 14 15 VESA Angle Assy 14...

Страница 19: ... 1 Detach the R C OPC Unit 2 Disconnect the RC wire 3 Detach the ICON Unit 4 Disconnect the CI wire 5 Detach the Wi Fi Unit 6 Disconnect the UB wire 7 Detach the Wi Fi Attachment Wi Fi Attachment Front Cabinet Assy 3 ICON Unit 2 Wi Fi Unit 1 R C OPE Unit RA UB CI 4 ...

Страница 20: ...LC 80LE642U 4 9 2 The location putting on the heat measure sheet 1 MAIN PWB Unit PSPAZC871WJKZ MAIN CPU COOL B ...

Страница 21: ... prevention parts are not peeled and twisted from the access holes The EMI prevention parts conductive nonwoven fabric gaskets must be seen from the access holes Countermeasure Attach the conductive nonwoven fabric gaskets on the shielded case on the main PWB LANGKD145WJFW TERM ANG SIDE PMLT A678WJQZ GASKET LANGKD292WJ3W TERM ANG INFERIOR PMLT A680WJQZ GASKET MShield 190x5x5 5 ...

Страница 22: ...lowing is a drawing mounting the main PWB Assy on the backlight chassis The parts indicated by are the access holes for confirmation Main PWB Assy State where the shielded case and RF terminal angle are mounted on the main PWB ...

Страница 23: ...use a software version after OKLAMxxx SMB The main software monitor microprocessor software can be upgraded by using a general purpose USB Memory The followings are the procedures for upgrading explained separately for the main software monitor microprocessor software 2 2 Main software version upgrade 2 2 1 Get ready before you start USB Memory of 128MB or higher capacity PC running on Windows 98 ...

Страница 24: ...nformation appears after the upgrade is complete 8 Unplug the AC cord and remove the USB Memory for version upgrade 9 Now the software version upgrade is complete NOTE When you are done with the software version upgrade start the set go to the top page of the adjustment process screen and check the main software version information MAIN SUB MICOM PANEL EEPROM MAIN Version SUB MICOM Version PANEL E...

Страница 25: ...minor upgrade 6 If the upgrade fails power led will stop blinking Also the upgrade failure screen will be shown if upgrade screen was shown at 5 NOTE In the event of a transient failure upgrade will be automatically retried up to three times If the process repeatedly fails hardware may be the cause 7 The upgrade success screen will be shown if upgrade screen was shown at 5 8 Unplug the AC cord and...

Страница 26: ... mode If the settings are tampered in this mode unrecoverable system damage may result 4 Remote controller key operation and description of display in adjustment process mode 1 Key operation Input mode is switched automatically when relevant adjustment is started so far as the necessary input signal is available 2 Description of display Remote controller key Main unit key Function CH CH Moving an ...

Страница 27: ...D 10 VIC YPOS Y coordinate setting for VIC READ 11 VIC COLOR Collected color data setting for VIC READ 12 VIC SIGNAL TYPE Signal type setting for VIC READ 13 VIC READ Picture level acquisition function Level appears in green on the upper right 3 1 N358 ALL ADJ INPUT2 CVBS and TUNER signal level adjustment 2 N358 MAIN ADJ INPUT2 CVBS signal level adjustment 3 TUNER DAC ADJ TUNER signal level adjust...

Страница 28: ...stment value 11 MG3B WB adjustment Point 3 B adjustment value 12 MG3Y WB adjustment Point 3 Y adjustment value Quattron panel Only 11 1 MG4R WB adjustment Point 4 R adjustment value Parameter for six point adjustment 2 MG4G WB adjustment Point 4 G adjustment value 3 MG4B WB adjustment Point 4 B adjustment value 4 MG4Y WB adjustment Point 4 Y adjustment value Quattron panel Only 5 MG5R WB adjustmen...

Страница 29: ... 1 T CON VERSION EXT 1 PRIMROSE 2D Version 2 T CON VERSION EXT 2 PRIMROSE 3D Version 3 T CON VERSION EXT 3 Blank Not Use 4 T CON VERSION EXT 4 Blank Not Use 20 1 3D HDMI FPGA Version 2 2D 3D FPGA Version 3 3D IR EMITTER CONTROL 21 1 READ WRITE 2 SLAVE ADDRESS 3 RESISTER ADDRESS UPPER 4 RESISTER ADDRESS LOWER 5 WRITE DATA UPPER 6 WRITE DATA LOWER 7 READ DATA UPPER 8 READ DATA LOWER 22 1 POWER LED B...

Страница 30: ... Set RSSI threshold 4 WIFI RSSI 5GHz Set RSSI threshold 5 WIFI TIME 2 4GHz Set Time Out 6 WIFI TIME 5GHz Set Time Out 7 WIFI RSSI TEST Execute test 8 WIFI RSSI RESULT Display test result 27 1 KEY LOCK 1217 2 KOUTEI AREA ALL CLEAR 3 A MODE AREA CLEAR 4 BACKUP AREA CLEAR 5 B MODE AREA CLEAR 6 EXECUTION 28 1 ERROR STANDBY CAUSE1 2 ERROR STANDBY CAUSE2 3 ERROR STANDBY CAUSE3 4 ERROR STANDBY CAUSE4 5 E...

Страница 31: ...S T CON FPGA status error 54 E_TCON_E T CON hung up Monitor ERR STBY table Outline Communication Power failure detected by the monitor microprocessor is stored in EEPROM and last 4 abnormal can be confirmed in the Process mode A Location Page 1 of the process mode A MONITOR ERR CAUSE 0 if there is no error It is cleared to 0 on the last page of the process mode A Display Error description 02 Initi...

Страница 32: ...3128 by Checker 2 Connect USB Memory to J9502 TL9524 9527 by Checker 3 Add power to Unit then Start BOOT by JIG 4 Send software writing command via RS232C 5 Send writing confirmation command and confirm the OK reply then Power turn off CAUTION Data does not write without USB memory or reading error happen Adjustment item Adjustment conditions Adjustment procedure 1 COMB BIAS Adjustment LCD module ...

Страница 33: ...djustment Program Select COMP33k ADJ INPUT1 then press ENTER Adjust is finish at display COMP33k ADJ INPUT1 OK Component 15K adjustment will be done automatically by set itself AUTO CLAMP 1 parameter will be copy from 33K data Adjustment point Adjustment conditions Adjustment procedure 1 Setting Signal XGA 1024x768 60Hz SYNC HV separate Input 100 color bar to PC input 2 Running Auto Adjustment Pro...

Страница 34: ...rongest color then adjust White balance by remain color 3 Set 5th point to indicated section set G value to 804xG value of 6th point 928 Then adjust White Balance by RB 4 Set 4th point to indicated section set G value to 600xG value of 6th point 928 Then adjust White Balance by RB 5 Set 3rd point to indicated section set G value to 448xG value of 6th point 928 Then adjust White Balance by RB 6 Set...

Страница 35: ...on spec MG3G Point 6 928 X 0 272 0 0010 0 0020 MG3B y 0 277 MG3R Point 5 804 X 0 272 0 0010 0 0020 y 0 277 Point 2 Point 4 600 X 0 272 0 0015 0 0030 LEV20074 y 0 277 MG2G Point 3 448 X 0 272 0 0020 0 0040 MG2B y 0 277 MG2R Point 2 296 X 0 272 0 0030 0 0060 y 0 277 Point 1 Point 1 164 X 0 272 0 004 0 0080 LEV10045 y 0 277 MG1G MG1B MG1R Writing MSET0003 Remarks Setting conditions for inspection AV ...

Страница 36: ...r to MODEL NAME Page 29 29 3 Select LE642U and press Enter key 4 OK is displayed 5 Point the cursor to PANEL SIZE Page 29 29 6 Select 80 and press Enter key 7 Moments later image is displayed 8 Turn off power 9 Turn on power Adjustment point Adjustment conditions Adjustment procedure 1 Factory setting Need to pull out AC cord for process complete Select INDUSTRY INIT Cause Set to ON by of VOL Butt...

Страница 37: ... to exit Public Mode There are the following ways to quit the public mode setup screen Turn off PUBLIC MODE in the adjustment process mode This way alone is not for quitting the setup screen but for quitting the mode itself Turn off the power with the POWER key Select EXECUTE PUBLIC MODE stays on in the adjustment process mode The settings will be back to the factory ones 3 Public Mode Setting Val...

Страница 38: ...nd VOL key remote controller and set To save new settings keep the cursor at EXECUTE and use ENTER key remote controller and set PUBLIC MODE POWER ON FIXED VARIABLE MAXIMUM VOLUME 60 VOLUME FIXED VARIABLE VOLUME FIXED LEVEL 20 RC BUTTON RESPOND PANEL BUTTON RESPOND MENU BUTTON RESPOND AV POSITION FIXED VARIABLE ON SCREEN DISPLAY YES INPUT MODE START NORMAL INPUT MODE FIXED VARIABLE LOUD SPEAKER ON...

Страница 39: ...he INPUT and Vol keys which are on the tact key 3 Enter the passward by using R C The passward is 027 4 Select COPY MODE 5 The follow guide is displayed Then select the TV USB Start 6 Follow guide is displayed when it is finished then select Reset TV will restart 7 Insert the USB which has the data from TV to another TV or itself 8 Insert AC code of the TV with pushing the INPUT and Vol keys which...

Страница 40: ...LC 80LE642U 5 18 10 The following guide is dispalyed Then select the USB TV Start 11 Follow guide is displayed when it is finished then select Reset TV will restart 12 Comfirm the user setting is copied ...

Страница 41: ...ecified for a fixed volume at start Limit in Setting The sound volume for the ON timer Wake up timer is fixed also without display of menu Besides the setting is made impossible Basically the menu is not displayed The following keys become invalid Sound volume Up Down VOL for both remote control and the unit Mute MUTE Exception In the item VOLUME of adjustment process the sound volume can be set f...

Страница 42: ...layed This is because the channel call message may be confused with a message being sent from the hotel On the North America destined models the OSD works the same as at the No setting Limit in Setting Keys falling under any of the following items become invalid Appearance of screen changes and the sound changes Personal functions which are hard to restore Screen display menu OFF timer ON timer AV...

Страница 43: ...ection between OFF ON TV RCE and ON TV RCD loop provided Default OFF Explanation Function to feed the remote controller received signal to Pin 9 open on the RS232C Limit in Setting None Exception None Remarks None Selection Selection between Variable and Fixed loop provided Default Variable Explanation In case of Fixed setting Menu Picture and Audio setting can t be changed like Dynamic Fixed When...

Страница 44: ...Selection Selection between ON and OFF loop provided Default OFF Explanation In case of ON public mode settings are effected Limit in Setting None Exception None Remarks The public mode settings are operable only when this item is set at ON ...

Страница 45: ...Lamp error Power PWB failure Power failure etc Flashes twice Flash once Power supply error 2 2 AC_DET error Flash twice Power supply error 2 2 UR 13V error Flash 3 times Power supply error 2 2 D 3 3V error Flash 5 times Panel power supply error Main PWB failure Communication failure etc Flashes 3 times Flashes once Initial communication error Flashes twice Start up confirmation communication error...

Страница 46: ... cannot be activated except in the adjustment process mode Accumulated counts are cleared to 0 by the setting in the LAMP ERROR RESET on the adjustment process mode Error type Center icon LED operation Pins are monitor microcomputer pins unless other wise specified PS_ON AC_DET failure Flashes fast once H On L Off AC_DET failure L SM_POW Main 13V failure Flashes fast twice H On L Off DET_13V failu...

Страница 47: ...on failure Flashes fast 3 times H On L Off Regular communication that is performed at 1 second intervals in the normal operation is interrupted Main CPU operation failure or monitor microcom puter reception failure Other communica tion failure Flashes fast 5 times H On L Off When a request PM_REQ H is sent from the main microcomputer the request command is not output from the main CPU etc Main CPU...

Страница 48: ...ars in the panel module When the parts in the panel cannot be replaced Replace panel module If it is not an error of power supply LED driver It is start up in the lamp error disregard mode Do you start NO When power supply unit is replaced does it start normally YES NO Replace power supply unit When main unit is replaced does it start normally YES NO Replace main unit When LCD control unit is repl...

Страница 49: ...creen display normally NO YES Replace C S FPC When C PWB is replaced does screen display normally NO YES Replace C PWB Adjust VCOM ADJ after replace C PWB Replace Panel HIRAKI Adjust VCOM ADJ after replace Panel HIRAKI If Panel Hiraki is changed Mura adjustment is needed as well ...

Страница 50: ...e adjustment process mode and display LCD TEST PATTERN of 18 page Please press volume keys and a test pattern is displayed Is it all usually displayed YES It isn t the fault of a C PWB Please check operation with reference to other items NO Is only the half of the right screen or the left screen displayed normally YES It is checked whether FFC to Panel is connected correctly Replace another C PWB ...

Страница 51: ...signal at input pins of IC3301 CPU NO Check the TMDS line between SC1501 and IC2601 and its peripheral circuits IC2601 TMDS input pins pin 26 27 CLK pin 28 29 D0 pin 30 31 D1 pin 31 33 D2 YES Check the TMDS line between IC2601 and IC3301 and its peripheral circuits IC3301 TMDS input pins pin AH35 AH34 CLK pin AG35 AG34 D0 pin AG37 AG36 D1 pin AF35 AF34 D2 Check the I2C line between IC2601 and IC33...

Страница 52: ... signals at input pin of IC3301 CPU NO Check the TMDS line between SC1502 and IC2601 and its peripheral circuits IC2601 TMDS input pins pin 17 18 CLK pin 19 20 D0 pin 21 22 D1 pin 23 24 D2 YES Check the TMDS line between IC2601 and IC3301 and its peripheral circuits IC3301 TMDS input pins pin AH35 AH34 CLK pin AG35 AG34 D0 pin AG37 AG36 D1 pin AF35 AF34 D2 Check the I2C line between IC2601 and IC3...

Страница 53: ... signal at input pins of IC3301 CPU NO Check the TMDS line between SC1503 and IC2601 and its peripheral circuits IC2601 TMDS input pins pin 8 9 CLK pin 10 11 D0 pin 12 13 D1 pin 14 15 D2 YES Check the TMDS line between IC2601 and IC3301 and its peripheral circuits IC3301 TMDS input pins pin AH35 AH34 CLK pin AG35 AG34 D0 pin AG37 AG36 D1 pin AF35 AF34 D2 Check the I2C line between IC2601 and IC330...

Страница 54: ...TMDS signal at input pins of IC3301 CPU NO Check the TMDS line between SC1504 and IC2601 and its peripheral circuits IC2601 TMDS input pins pin 99 100 CLK pin 1 2 D0 pin 3 4 D1 pin 5 6 D2 YES Check the TMDS line between IC2601 and IC3301 and its peripheral circuits IC3301 TMDS input pins pin AH35 AH34 CLK pin AG35 AG34 D0 pin AG37 AG36 D1 pin AF35 AF34 D2 Check the I2C line between IC2601 and IC33...

Страница 55: ... AU26 AP25 Y AR26 Pb and AP26 Pr of IC3301 CPU YES NO Check the line between the input terminals of J510 and IC3301 J510 pin 18 Y pin 16 Pb pin 15 Pr IC3301 pin AU26 AP25 pin AR26 pin AP26 Is the T CON PWB connected VBO_HTPDN pin 40 of SC3801 become Low if there is no problem in the connection NO Check the T CON PWB and harness Check IC3301 and SC3801 and their periph eral circuits in Main PWB YES...

Страница 56: ...10 and pin E28 of IC3301 CPU J510 pin 4 IC3301 pin E28 Is there the COMPOSITE signal input at pin AR31 of IC3301 CPU Is there the COMPOSITE signal input at pin AR30 of IC3301 CPU YES NO YES NO Check the line between pin 10 of J510 and pin AR31 of IC3301 CPU J510 pin 10 IC3301 pin AR31 Check the line between pin 5 of J510 and pin AR30 of IC3301 CPU J510 pin 9 IC3301 pin AR30 Is the T CON PWB connec...

Страница 57: ... R of IC3301 CPU Are there the VSYNC HSYNC signal inputs at pins AM25 and AN25 of IC3301 YES NO Check the line between SC510 and IC3301 and their peripheral circuits Is the T CON PWB connected VBO_LOCKN pin 40 of SC3801 become Low if there is no problem in the connection NO Check the T CON PWB and harness Check IC3301 and SC3801 and their peripheral circuits in Main PWB YES Are the V By One HS sig...

Страница 58: ...4 and their peripheral circuits Check the Tuner I2C lines TU1104 pin 5 TUN_SCL pin 4 TUN_SDA IC3301 pin V35 pin V34 Check the IF AGC line between pin U35 of IC3301 and pin 12 of TU1104 Check the Tuner I2C lines TU1104 pin 5 TUN_SCL pin 4 TUN_SDA IC3301 pin V35 pin V34 Is the T CON PWB connected VBO_LOCKN 40pin of SC3801 become Low if there is no problem in the connec tion NO Check the T CON PWB an...

Страница 59: ...peripheral circuits IC1508 IC1509 etc YES Are there the TMDS signal at input pin 1 2 D0 of IC2601 HDMI SW NO Check the TMDS line between SC1504 and IC2601 and its peripheral circuits IC1504 etc YES Are there the TMDS signal at input pins of IC3301 CPU NO Check the TMDS line between IC2601 and IC3301 and its peripheral circuits IC3301 TMDS input pins pin AH35 AH34 CLK pin AG35 AG34 D0 pin AG37 AG36...

Страница 60: ...d AT35 R of IC3301 CPU YES NO YES NO YES NO Check the line between J510 and IC3301 Check the line between J510 and IC3301 Check the line between J510 and IC3301 Does the digital audio signal come from pins AR11 AP11 AN9 CPU_AOBCK AOLRCK AOSDATA0 of IC3301 CPU to pins 6 7 5 SP_BCLK SP_LRCLK SP_DATA of IC1703 Audio DSP YES NO Check the line between IC3301 and IC1703 and their paripheral circuits Abo...

Страница 61: ...pins AR11 AP11 AN9 CPU_AOBCK AOLRCK AOSDATA0 of IC3301 CPU to pins 6 7 5 SP_BCLK SP_LRCLK SP_DATA of IC1703 Audio DSP YES NO Check the line between IC3301 and IC1703 and their peripheral circuits About the L R Speakers Does the digital audio signal come from pins 30 21 26 27 of IC1703 Audio DSP to pin 5 7 8 6 of IC1902 AMP for L R About the Subwoofer speaker Does the digital audio signal come from...

Страница 62: ... DSP YES NO Check the line between IC3301 and IC1703 and their paripheral circuits About the L R Speakers Does the digital audio signal come from pins 30 21 26 27 of IC1703 Audio DSP to pin 5 7 8 6 of IC1902 AMP for L R About the Subwoofer speaker Does the digital audio signal come from pins 30 21 26 28 of IC1703 Audio DSP to pin 5 7 8 6 of IC1901 AMP for SW YES NO Check IC1703 and its paripheral ...

Страница 63: ...O Set the audio output to FIXED Does the digital audio signal come from pins AR11 AP11 AN9 CPU_AOBCK AOLRCK AOSDATA0 of IC3301 CPU to pins 6 7 5 SP_BCLK SP_LRCLK SP_DATA of IC1703 Audio DSP YES NO Check the line between IC3301 and IC1703 and their peripheral circuits About the L R Speakers Does the digital audio signal come from pins 30 21 26 27 of IC1703 Audio DSP to pin 5 7 8 6 of IC1902 AMP for...

Страница 64: ... and its peripheral circuits Is there the SPDIF signal OPT_OUT input at pin 2 of IC503 SPDIF BUFFER SPDIF MUTE YES NO Check the line between IC3301 and IC503 Is there the MUTE signal input at pin 1 of IC503 usual High Mute Low YES NO Check the AUDIO_MUTE and their peripheral circuits Q505 etc Is there the SPDIF signal input at pin 1 of D527 OPTICAL OUTPUT YES NO Check the speakers and the optical ...

Страница 65: ... pins 3 L and 2 R of J504 YES NO Check the line between IC1702 and J504 and their peripheral circuits Check the LINE_MUTE line and its peripheral circuits Q506 Q510 etc Check the connector J504 and their peripheral circuits and speakers and the Cable No connect network Does the signal come to 1pin of LAN jack J9401 see fig 1 fig 2 NO Check the interface device and peripheral circuits power LED of ...

Страница 66: ...ecoder a four link LVDS transmitter a V by One transmitter and an NTSC PAL SECAM TV decoder with a 3D comb filter NTSC PAL It supports Full HD MPEG1 2 4 H 264 DiviX VC1 RM AVS VP6 VP8 video decoder standards and JPEG Audio support includes a BTSC and a Dolby AC3 MPEG 2 Layer 1 2 audio decoder Two SPDIF output and a pair of analog outputs L R are provided The LSI incorporates a complete ARM Cortex ...

Страница 67: ...iAK4201EU 1Y This IC is audio amplifier for line out head phone 1 12 IC1703 VHiYSS952QZ 1Y Audio DSP YSS952QZ has digital audio adjustment function for example PEQ bass treble balance bass enhancer etc and adjusts TVs audio quality ...

Страница 68: ...LC 80LE642U 7 3 MEMO ...

Страница 69: ... 1 Service Manual CHAPTER 8 OVERALL WIRING SYSTEM BLOCK DIAGRAM 1 OVERALL WIRING DIAGRAM 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 OVERALL WIRING DIAGRAM DKEYMF953FM06 ICON Unit Wi Fi Unit ...

Страница 70: ...LC 80LE642U 8 2 2 SYSTEM BLOCK DIAGRAM 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 SYSTEM BLOCK DIAGRAM ...

Страница 71: ...f the set This document has been published to be used for after sales service only The contents are subject to change without notice LC 80LE642U PartsGuide 1 PRINTED WIRING BOARD ASSEMBLIES 2 LCD PANEL MODULE UNIT 3 CABINET AND MECHANICAL PARTS 4 SUPPLIED ACCESSORIES PACKING PARTS 5 SERVICE JIG USE FOR SERVICING CONTENTS No S73B9LC80LE64 LCD COLOR TELEVISION LC 80LE642U MODEL ...

Страница 72: ... N DKEYMF953FM06 BU X MAIN Unit N DUNTKF975FM18 BL X LCD CONTROL Unit N DUNTKF494FM01 AG X R C OPC Unit N DUNTKF770FM02 AE X ICON Unit N DUNTKF800FM53 AE X KEY Unit N RUNTKA936WJQZ AX X Wi Fi Unit N RUNTKB096WJQZ X POWER DRIVE Unit 2 LCD PANEL MODULE UNIT N R1LK800D3GW10Z FK X 80 LCD PANEL Unit LK800D3GW10M ...

Страница 73: ...8 39 29 1 7 1 6 1 1 21 35 10 18 19 16 34 24 4 1 4 4 2 4 2 4 1 4 2 4 1 4 2 4 1 16 12 11 14 11 14 13 23 22 15 31 1 6 16 17 9 3 3 2 3 2 C D SP J L2 L1 F POWER DRIVE Unit PD G MAIN Unit PD SP UB PD LV J KM RA KM KEY Unit RA UB CI R C OPC Unit Wi Fi Unit ICON Unit E PL LV FF FF H LCD CONTROL Unit 80 LCD Panel Module Unit C D G H F E L2 L1 PL CI ...

Страница 74: ... 10 LANGKD292WJ3W AD X Terminal Angle Bottom 11 LHLDWA124WJKZ AC J Wire Holder x4 12 LHLDWA138WJKZ AC J Wire Holder x3 13 LHLDWA162WJKZ AC J Wire Holder x2 14 LHLDWA175WJUZ AC J Wire Holder x2 15 LHLDWA176WJUZ AC J Wire Holder 16 LX BZA207WJF7 AA J Screw x20 17 PMLT A678WJQZ AL J Gasket Side 18 PMLT A680WJQZ AD X Gasket Bottom 19 PSPAZC871WJKZ AM J Cooler MAIN 20 QCNW M614WJQZ AR X Connecting Cord...

Страница 75: ...LC 80LE642U 5 4 SUPPLIED ACCESSORIES PACKING PARTS X10 X8 X2 X1 X3 X9 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 X5 X4 X6 X7 ...

Страница 76: ...ITEM S3 SPAKAA695WJZZ Edge Board Bottom x4 NOT REPLACEMENT ITEM S4 SPAKCG509WJZZ Packing Case Bottom NOT REPLACEMENT ITEM S5 SPAKCH333WJZZ N Packing Case Main NOT REPLACEMENT ITEM S6 SPAKFC163WJZZ Front Pad Base NOT REPLACEMENT ITEM S7 SPAKPB788WJZZ Polyethylene Bag NOT REPLACEMENT ITEM S8 SPAKXD498WJZZ Packing Form Top NOT REPLACEMENT ITEM S9 SPAKXD499WJZZ Packing Form Bottom NOT REPLACEMENT ITEM...

Страница 77: ...LC 80LE642U ...

Страница 78: ...produced stored in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Digital Information Appliance Group CS Promotion Center Yaita Tochigi 329 2193 Japan Jul 2013 YK DS ...

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