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LC-40/46/52LE820E, LC-40/46LU820E

9 – 1

LC-40LE820E

Service Manual

CHAPTER 9.

OVERALL WIRING/BLOCK DIAGRAM

[1] OVERALL WIRING DIAGRAM (LC-40LE820E/LU820E)

OVERALL WIRING DIAGRAM (LC-40LE820E/LU820E)

R/C Unit

POWER Unit

LCD-Controler

[PD]

[AC]

[AS]

[PD]
P9601

POWER

MAIN Unit

OpticalOut

D520

HDMI

USB

[LW]

P2601

SCART

SC505

RS232C

D-SUB 9pin

SC504

[SB]
P2702

[RA]

P2005

TUNER

1
5

[SP]
P2701

HDMI

HDMI/PC/COMP

Audio

J501

PC/COMP

D-SUB

SC501

AV-IN

J505

H/P

Audio out

J504

LAN

J9501

2 1

[PL]

Woofer

CI card slot

SC4401

Icon Unit

1
9

1
8

1 4

1
3

HDMI1

SC1503

HDMI1

SC1502

HDMI1

SC1501

HDMI1

SC1505

LAN

J3301

20 19
2

[LB]
P9602

[RL]

P2006

SC CARD

Connector

SC8454

4
1

[LB]

[L2]

[L1]

LOGO

Touch Key

Unit

QCNW-K548WJQZ

QCNW-K550WJQZ

[RI]

[KM]

[RA]

[RL]

[PL]

[LW]

QCNW-K551WJQZ

QCNW-K552WJQZ

QCNW-K553WJQZ

QCNW-K554WJQZ

QCNW-K555WJQZ

QCNW-K556WJQZ

QCNW-K576WJQZ

QACCKA052WJPZ
(For UK : QACCBA099WJPZ)

LED UNIT

Summary of Contents for LC-40LE820E

Page 1: ...E LU820E 4 6 3 REMOVING OF MAJOR PARTS LC 52LE820E 4 11 4 Caution Cleaning Glass 4 16 5 How to replace the touch key sensor PWB 4 18 CHAPTER 5 Enter the chapter title here 1 LC 40LE820E LU820E 5 1 2 LC 46LE820E LU820E 5 2 3 LC 52LE820E 5 3 CHAPTER 6 ADJUSTMENT 1 ADJUSTMENT PROCEDURE 6 1 CHAPTER 7 TROUBLESHOOTING TABLE 1 TROUBLESHOOTING TABLE 7 1 2 LED flashing specification at the time of the erro...

Page 2: ...cross 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 1 05 V peak this corresponds to 0 7 mA peak 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 el...

Page 3: ...nventional lead 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 ...

Page 4: ...LC 40 46 52LE820E LC 40 46LU820E iii End of life disposal End of life disposal ...

Page 5: ...TROL Unit LC 40LE820E LU820E 52LE820E N RUNTK4437TPZE LCD CONTROL Unit LC 46LE820E LU820E N RUNTK4462TPZZ LED PWB Unit x4 LC 40LE820E LU820E N RUNTK4461TPZZ LED PWB Unit x4 LC 46LE820E LU820E N RUNTK4460TPZZ LED PWB Unit x4 LC 52LE820E Ref No Parts Code Description N R1LK400D3LWF0Y 40 LCD Panel Module Unit LC 40LE820E LU820E N R1LK460D3LWA0Y 46 LCD Panel Module Unit LC 46LE820E LU820E N R1LK520D3L...

Page 6: ... 4 HDMI ARC HDMI 2 EXT 5 HDMI HDMI 3 EXT 6 HDMI HDMI 4 EXT 7 HDMI USB USB ETHERNET 10 100 Home network connector only the 820 model series HDMI 2 EXT 3 AUDIO L R Ø 3 5 mm jack 1 DIGITAL AUDIO OUTPUT Optical S PDIF digital audio output C I Common Interface EN50221 R206001 CI Plus specification OUTPUT Headphones RCA pin AUDIO R L Ø 3 5 mm jack audio output OSD language Czech Danish Dutch English Est...

Page 7: ...RGB PC COMPONENT terminal HDMI 2 EXT 3 AUDIO L R jack HDMI 1 HDMI ARC terminal HDMI 2 HDMI terminal HDMI 3 HDMI terminal HDMI 4 HDMI terminal C I COMMON INTERFACE slot MAIN POWER switch WARNING Excessive sound pressure from earphones and headphones can cause hearing loss Do not set the volume at a high level Hearing experts advise against extended listening at high volume levels 1 2 3 4 5 6 7 8 9 ...

Page 8: ...wide mode Mute TV sound on off 1 2 3 4 5 6 7 8 5 6 4 3 7 8 9 11 12 13 10 2 1 14 15 16 17 18 19 20 21 22 Volume Increase decrease TV volume MENU Menu screen on off CONTROL Press to display the panel to operate some functions on the screen Cursor Select a desired item on the setting screen OK Execute a command within the Menu screen ATV DTV Display CH list when no other Menu screen is running 9 10 1...

Page 9: ...four long screws with a screwdriver as shown Supporting post Insert the stand into the openings on the bottom of the TV hold the stand so it will not drop from the edge of the base area Soft cushion 1 2 3 Insert and tighten four short screws into the four holes on the rear of the TV Attaching the stand cover Slide the stand cover into the two catches on the stand base Insert and tighten a short sc...

Page 10: ...E820E Service Manual CHAPTER 3 DIMENSIONS 1 DIMENSIONS LC 40LE820E LU820E 993 0 993 0 450 0 450 0 707 0 707 0 300 0 300 0 659 0 659 0 404 0 404 0 48 0 48 0 132 0 132 0 39 0 39 0 124 6 124 6 275 0 275 0 300 0 300 0 503 2 503 2 890 6 890 6 Unit mm ...

Page 11: ...40 46LU820E 3 2 2 DIMENSIONS LC 46LE820E LU820E 1127 0 1127 0 540 0 540 0 785 0 785 0 400 0 400 0 734 0 734 0 444 0 444 0 51 0 51 0 211 0 211 0 39 0 39 0 157 7 157 7 340 0 340 0 400 0 400 0 577 6 577 6 1023 4 1023 4 Unit mm ...

Page 12: ...LC 40 46LU820E 3 3 3 DIMENSIONS LC 52LE820E 400 0 400 0 400 0 400 0 172 0 1260 0 811 0 861 0 861 0 50 0 172 0 811 0 50 0 1157 0 1260 0 1157 0 653 0 484 0 653 0 484 0 540 0 340 0 340 0 39 0 157 7 540 0 39 0 157 7 Unit mm ...

Page 13: ...he 1 lock screw and detach the Support Cover 2 Remove the 4 lock screws and detach the Stand Unit 3 Remove the 1 lock screw and detach the AC Cord Cover 4 Disconnect AC wire and detach the AC Cord 5 Remove the 4 lock screws 4 lock screws 1 lock screw and 12 lock screws and detach the Rear Cabinet Ass y Rear Cabinet Ass y 4 Stand Unit 2 Support Cover 6 AC Cord Cover 12 AC Cord 10 11 5 8 3 1 7 9 AC ...

Page 14: ...Removing of Speaker L R 1 Remove the 1 lock screw and detach the Stand Cover 2 Disconnect SP wire 3 Detach the Speaker L Speaker R 4 Detach the Insulation Sheet AC MAIN Unit 2 Stand Cover 1 SP SP 4 5 Speaker R Insulation Sheet AC 3 Speaker L ...

Page 15: ...nnectors from the MAIN Unit SB LB PD LW RA RL 2 Disconnect the following connectors from the POWER Unit L1 L2 LB PD PL AS 3 Disconnect the following connectors from the LCD CONTROL Unit LW PL MAIN Unit POWER Unit L1 L2 LB PD PL AS LB PD RA RL LW SB LCD CONTROL Unit MAIN Unit POWER Unit LW PL ...

Page 16: ...and detach the LCD Angle Top L 8 Remove the 2 lock screws and detach the LCD Angle Top R 9 Remove the 2 lock screws and detach the LCD Angle Bottom L 10 Remove the 8 lock screws and detach the VESA Angle 11 Remove the 2 lock screws and detach the ECO Switch with Holder 12 Remove the 6 lock screws and detach the Stand Angle 13 Remove the 3 lock screws and detach the 40 LCD Panel Module Unit 8 19 20...

Page 17: ...nit RA 2 Detach the ICON Unit R 3 Detach the LOGO Unit RL 4 Remove the 18 Hooks and detach the Front Cabinet Ass y 5 Detach the Glass Front Panel Ass y 6 Detach the TOUCH SENSOR Unit RK NOTE The TOUCH SENSOR Unit removed once is not reusable Front Cabinet Ass y 5 8 TOUCH SENSOR Unit RK Glass Front Panel Ass y 3 LOGO Unit RL 2 7 ICON Unit R 1 R C LED Unit RA 4 4 4 4 4 ...

Page 18: ... Support Cover 2 Remove the 4 lock screws and detach the Stand Unit 3 Remove the 1 lock screw and detach the AC Cord Cover 4 Disconnect AC wire and detach the AC Cord 5 Remove the 4 lock screws 4 lock screws 1 lock screw and 16 lock screws and detach the Rear Cabinet Ass y AC 9 Rear Cabinet Ass y 10 11 6 AC Cord Cover 5 2 Support Cover 3 4 Stand Unit 7 8 1 12 AC Cord AC ...

Page 19: ...emoving of Speaker L R 1 Remove the 3 lock screws and detach the Stand Cover 2 Disconnect SP wire 3 Detach the Speaker L Speaker R 4 Detach the Insulation Sheet AC MAIN Unit SP SP 4 Speaker R 3 Speaker L 2 Stand Cover 1 5 Insulation Sheet AC ...

Page 20: ...nnectors from the MAIN Unit SB LB PD LW RA RL 2 Disconnect the following connectors from the POWER Unit L1 L2 LB PD PL AS 3 Disconnect the following connectors from the LCD CONTROL Unit LW PL LW PL MAIN Unit POWER Unit LCD CONTROL Unit L1 L2 LB PD MAIN Unit POWER Unit PL LB PD RA RL AS LW SB ...

Page 21: ...lock screws and detach the LCD Angle Bottom L 10 Remove the 2 lock screws and detach the LCD Angle B C A 11 Remove the 2 lock screws and detach the LCD Angle B C B 12 Remove the 2 lock screws and detach the ECO Switch with Holder 13 Remove the 6 lock screws and detach the Stand Angle 14 Remove the 2 lock screws and detach the BL Chassis Support Angle 15 Remove the 5 lock screws and detach the 46 L...

Page 22: ...ICON Unit R 3 Detach the LOGO Unit RL 4 Remove the 20 Hooks and detach the Front Cabinet Ass y 5 Remove the 3 Double Side Tape and detach the Glass Front Panel Ass y 6 Detach the TOUCH SENSOR Unit RK NOTE The TOUCH SENSOR Unit removed once is not reusable Front Cabinet Ass y Glass Front Panel Ass y 3 LOGO Unit RL 2 ICON Unit R 1 R C LED Unit RA 8 TOUCH SENSOR Unit RK 5 6 6 4 4 4 4 4 4 7 6 ...

Page 23: ...ort Cover 2 Remove the 4 lock screws and detach the Stand Unit 3 Remove the 1 lock screw and detach the AC Cord Cover 4 Disconnect AC wire and detach the AC Cord 5 Remove the 4 lock screws 4 lock screws 1 lock screw and 18 lock screws and detach the Rear Cabinet Ass y 9 Rear Cabinet Ass y 10 11 10 6 AC Cord Cover 5 1 2 Support Cover 4 Stand Unit 8 7 3 12 AC Cord AC AC ...

Page 24: ...Removing of Speaker L R 1 Remove the 3 lock screws and detach the Stand Cover 2 Disconnect SP wire 3 Detach the Speaker L Speaker R 4 Detach the Insulation Sheet AC MAIN Unit SP SP 4 Speaker R 3 Speaker L 2 Stand Cover 1 5 Insulation Sheet AC ...

Page 25: ...onnectors from the MAIN Unit SB LB PD LW RA RL 2 Disconnect the following connectors from the POWER Unit L1 L2 LB PD PL AS 3 Disconnect the following connectors from the LCD CONTROL Unit LW PL MAIN Unit POWER Unit LCD CONTROL Unit LW PL L1 L2 LB PD MAIN Unit POWER Unit PL LB PD RA RL AS LW SB ...

Page 26: ...ock screws and detach the LCD Angle Bottom L 10 Remove the 2 lock screws and detach the LCD Angle B C A 11 Remove the 2 lock screws and detach the LCD Angle B C B 12 Remove the 2 lock screws and detach the ECO Switch with Holder 13 Remove the 6 lock screws and detach the Stand Angle 14 Remove the 6 lock screws and detach the BL Chassis Support Angle 15 Remove the 6 lock screws and detach the 52 LC...

Page 27: ...Unit RA 2 Detach the ICON Unit R 3 Detach the LOGO Unit RL 4 Remove the 28 Hooks and detach the Front Cabinet Ass y 5 Detach the Glass Front Panel Ass y 6 Detach the TOUCH SENSOR Unit RK NOTE The TOUCH SENSOR Unit removed once is not reusable Front Cabinet Ass y Glass Front Panel Ass y 8 TOUCH SENSOR Unit RK 5 7 3 LOGO Unit RL 2 ICON Unit R 1 R C LED Unit RA 4 4 4 4 4 ...

Page 28: ...tore 4 It has a black mask part You must not have a clear surface 5 Two people have handling equally by the work Maintain it so that glass is not warped 6 When it is put horizontally it is put on the flat mat 7 A cushion material is put between glass It doesn t touch it the front and the front It can be put to two glass 8 It has a module part before the CAB B installation It has a module part mask...

Page 29: ...e taken with an air blow 3 Dirt is wiped out with cloth Front side Moufas Back side Cotton clean wiper SF 30C 4 When dirt doesn t clean it is wiped out with Alcohol 5 Dirt is wiped out with the Ethanol and clean cloth When wipe off a dirt the trace which wiped do not be left glass black mat Air blow Moufas Cotton Cotton Alcohol ...

Page 30: ...nt glass ii Adhere the spacer to the back of the FPCB section FPCB ITO connecting tape FPCB ITO Pull tap of double sided tape Pull tap of double sided tape Pull tap of protective sheet When peeling the ITO section check that there is no glue residue on the front glass If glue residue dirt fingerprints etc are found wipe them off with anhydrous alcohol Do not apply anhydrous alcohol to the double s...

Page 31: ...ding sheet RL RL ζ 1 Lift the FPCB section to peel the release paper of the double sided tape on the spacer Be careful not to apply stress to the joint of FPCB and ITO ζ 2 Adhere the FPCB section to the front glass Be careful not to apply stress to the joint of FPCB and ITO ζ 3 Peel the tape fixing the FPCB and ITO sections ζ 4 Peel the protective sheet of the ITO section ζ 5 Adhere the light shie...

Page 32: ...ositioning jig iv Peel the protective sheet of the OCA Lift the ITO section then peel the protective sheet by about half by means of the pull tap v Contact the FPCB and joint end of the transparent electrode film with the glass Grasp the opposite end Note that the ITO is positioned by adhering Pull tap for peeling the protective sheet of the double sided tape in the FPCB section Glass outline Peel...

Page 33: ...ressure exerted by it removes bubbles easily See photo below For the TOUCH SENSOR Unit positioning figure see page 5 1 5 2 5 3 Pull tap for peeling the front protective sheet Peel the front protective sheet If bubbles are found press those portions with glass cleaning cloth etc to remove them as much as possible ...

Page 34: ...LC 40 46 52LE820E LC 40 46LU820E 4 22 M E M O ...

Page 35: ...LC 40 46 52LE820E LC 40 46LU820E 5 1 LC 40LE820E Service Manual CHAPTER 5 Enter the chapter title here 1 LC 40LE820E LU820E TOUCH SENSOR Unit ...

Page 36: ...LC 40 46 52LE820E LC 40 46LU820E 5 2 2 LC 46LE820E LU820E TOUCH SENSOR Unit ...

Page 37: ...LC 40 46 52LE820E LC 40 46LU820E 5 3 3 LC 52LE820E TOUCH SENSOR Unit ...

Page 38: ...LC 40 46 52LE820E LC 40 46LU820E 5 4 M E M O ...

Page 39: ... in TV 2 Use the cursor keys and CH keys of R C to select the item HDMI EDID WRITE on the page 5 21 2 After replacing the LCD panel or LCD control MAIN UNIT check MODEL NAME in the following procedure 1 Enter the process adjustment mode in TV 2 Use the cursor keys and CH keys of R C to select the item MODEL NAME on the page 21 21 3 Verify that the Model name is displayed 4 If the Model name doesn ...

Page 40: ...ars on the screen This state is in Inspection mode 2 Next hold down the VOL and CH keys on the set at once Multiple lines of blue characters appearing on the screen indicate that the set is now in the adjustment Process mode If you fail to enter the adjustment process mode the display is the same as normal startup retry the procedure 3 To exit the adjustment process mode after the adjustment is do...

Page 41: ...ame Max 30 char 7 Parameter Max 60 char 1 Present page number of total pages 4 Inducing display 3 Present colour system 2 Input that has been selected now 5 Inch setting and Model name display 6 Item name 7 Parameter 1 00 E 2009 xxxxxxx xxxxxxx xxxxxxxx xxxx xxxxxxx xxxxx YES xxxxxxx xxxxxxx xxxxxxx 0 1 xxxxxx 2 xxxxxx 3 xxxxxx 4 xxxxxx 0 0 0 0 0 1 21 INPUT1 AUTO EURO xxxxx MAIN Version BOOT Versi...

Page 42: ...ating hours reset 8 LAMP ERROR RESET OFF Lamp error reset 9 ADJ PARAM SET Enter ADJ PARAM SET 10 VIC XPOS 0 X coordinate setting for VIC READ 11 VIC YPOS 0 Y coordinate setting for VIC READ 12 VIC SIGNAL TYPE MAIN Signal type setting for VIC READ 13 VIC READ OFF Picture level acquisition function Level appears in green on the upper right 3 21 1 TUNER ADJ Enter TUNER auto adjustment execution 2 PAL...

Page 43: ...tment value 3 G OFFSET 64 G CUTOFF adjustment value 4 B OFFSET 64 B CUTOFF adjustment value 5 R GAIN 44 R DRIVE adjustment value 6 G GAIN 44 G DRIVE adjustment value 7 B GAIN 44 B DRIVE adjustment value 9 21 1 SCART RGB ADJ Enter SCART RGB level adjustment 2 SCART R CUTOFF 64 SCART R CUTOFF adjustment value 3 SCART G CUTOFF 64 SCART G CUTOFF adjustment value 4 SCART B CUTOFF 64 SCART B CUTOFF adju...

Page 44: ... KEY SENSITIVITY 0 7 VOL DOWN KEY SENSITIVITY 0 17 21 1 KEY STRENGTH GET MODE Enter 2 POWER KEY STRENGTH 3 MENU KEY STRENGTH INPUT KEY STRENGTH 4 CH UP KEY STRENGTH 5 CH DOWN KEY STRENGTH 6 VOL UP KEY STRENGTH 7 VOL DOWN KEY STRENGTH 18 21 1 READ WRITE READ Read Write 2 SLAVE ADDRESS SLAVE0 Slave address 3 REGISTER ADDRESS 0x 0 Register address 0x 0 4 WRITE DATA 0x 0 Writing data 0x 0 5 READ DATA ...

Page 45: ... monitor error cause 4 MODEL NAME LE705 MODEL NAME 5 PANEL SIZE 40 Panel size setting 40 46 52 6 SHORT CHECK MODE Enter Check LED Back light 7 SHORT CHECK CURRENT 60 8 CURRENT SW LOW 9 PRODUCT EEP ADR 0x 0 Don t touch when serving for producer of factory 10 PRODUCT EEP DATA 0x 0 Don t touch when serving for producer of factory 11 PRODUCT FACTORY 1 Don t touch when serving for producer of factory T...

Page 46: ...ode Please execute Lamp Error detection off mode While holding down the VOL and CH keys on the set at once touch the power supply key on the set After a central icon flash off separate the fingers from key on the set Touch the power supply key on the set again so the power will boot up Then you can check the operation to see if the lamp and lamp circuit are in trouble If you fail boot up retry the...

Page 47: ...etely input the Pass Word is judged d Check the Pass Word by inputting three digits If the Pass Word 0 2 7 it shifts to the PUBLIC Mode setting screen In another case the screen is erased and it operates in the ordinary mode 2 Exiting the Public Mode Setting screen There are two following ways to exit the Public Mode setting screen 1 Turn off the power 2 Select Execution in the PUBLIC_Mode to exec...

Page 48: ... 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 RC PATH THROUGH OFF 232C POWON DISABLE PUBLIC MODE ON RESET EXECUTE Option VARIABLE FIXED_ALL FIXED_BODYKEY or RCRESPOND loop enabled Default VARIABLE Function VARIABLE POWER RECEPTION key on TV...

Page 49: ...is turned on in the case of the AC ON only AC RC CTRL The unit starts at the volume specified in the volume fixed level when power is turned on in any case AC ON remote control ON main unit s key ON Exception In the adjustment process the volume can be set to any level regardless of this setting Disabled key when setting to FIXED VOLUME UP DOWN both remote control and main unit MUTE Remarks MAXIMU...

Page 50: ...ode inspection mode is enabled regard less of this setting All the keys are enabled regardless of this setting while entering the process mode inspec tion mode or Public Mode setting screen Disabled key excluding Menu key when setting to not default All the direct transition keys to menu display AUTO PRESET MANUAL MEMORY and others These keys does not exist according to the model Remarks When sett...

Page 51: ...of inspection mode are enabled regardless of this setting Option NORMAL or Input source 1 input selection or channel loop enabled Default NORMAL Function which kinds of input source or channel is decided when the power turning on NORMAL the content of the last memory is followed Remarks When setting to not Normal ON TIMER Watching reservation has priority When setting to NORMAL INPUT MODE FIXED is...

Page 52: ...n the case of ON TV RCD the start operation in the adjustment process mode inspection mod are enabled regardless of this setting In the case of ON TV RCD all the keys are enabled regardless of this setting while entering the adjustment pro cess mode inspection mode or Public mode setting screen Remarks Remote control path through does not exist according to the model Option ENABLE or DISABLE loop ...

Page 53: ...ions Adjustment procedure 1 Setting Signal PAL split field colour Bar RF signal UV Terminal TUNER Feed the PAL Split Field colour bar signal E 12ch to TUNER Make sure the PAL colour bar pattern has the sync level of 7 3 with the picture level Signal level 55 dB µV 1dB 75Ω LOAD E 12CH 2 Auto adjustment performance Adjustment process TUNER ADJ page 3 21 Bring the cursor on TUNER ADJ and press OK TUN...

Page 54: ...EXT3 COMPONENT IN 2 Auto adjustment performance Adjustment process HDTV ADJ page 7 21 Bring the cursor on HDTV ADJ and press OK HDTV ADJ OK appears when finished Adjustment point Adjustment conditions Adjustment procedure 1 Setting Signal XGA 60Hz 100 Full Field Colour Bar Signal Terminal EXT3 PC IN Feed the XGA 60Hz 100 full field colour bar signal 100 colour satura tion to EXT3 PC IN 2 Auto adju...

Page 55: ...roach x 0 272 and y 0 277 5 Both HI and LO are repeating the step from 1 to 4 until becoming an aim value Adjustment reference standard value Adjustment spec 0 002 Inspection spec 0 004 point LO Adjustment spec 0 001 Inspection spec 0 002 point HI 6 After completing adjustments set EEP SAVE 21 21 to ON in the process menu to save the white balance adjustment value 13 Confirmation item 1 HDMI CEC I...

Page 56: ... initialized The adjustments done in the adjustment process mode are not initialized Keep this in mind when initializing these settings Adjustment point Adjustment conditions Adjustment procedure 1 Factory settings ends by turning off the MAIN POWER key See to below caution Factory setting with adjustment process mode Enter the adjustment process mode Move the cursor to INDUSTRY INIT on page 2 21 ...

Page 57: ...ew software version can be confirmed on screen After a while Turn off power and boot up automatically NOTE TV is restarted automatically the AC code need not be pulled out 9 After boot up the following caution shows up Select OK when if there is no problem Software update is completed please remove the USB memory device NOTE Then get the set started and call the process adjustment screen 1 21 to c...

Page 58: ... specified NO Replace the power unit YES Is there the pins 10 PS_ON of P9601 at H NO Check the signal line between PS_ON and IC2002 YES Is there the pins 9 AC_DET of P9601 at H NO Check the power unit and the signal line between AC_DET and IC2002 YES Is there the pins 1 2 3 4 UR 13V of P9601 at H NO Check the signal line between PS_ON and IC2002 YES Are the DC DC converter outputs and the output v...

Page 59: ...mitted from the Woofer refer to B B A Is the signal sent to pins 5 6 7 8 of IC2703 SP_AMP NO Check the line between IC2701 and IC2703 YES Is the audio signal output from pins 28 OUTML 30 OUTPL 12 OUTPR 14 OUTMR of IC2703 NO Check IC2703 and its peripheral circuits YES Is the audio signal input to pins 1 2 L ch 3 4 R ch of IC2703 NO P2701 terminal and the peripheral circuit L C filter are checked Y...

Page 60: ... to pins 14 15 of IC1102 Multiplexer NO Check the line between TU1101 and IC1102 YES Are pins 9 10 11 of IC1102 at H L H L Is IF signal sent to pins AA29 D__IF_P AB29 D__IF_N of IC3302 Digital AV decode Main CPU YES Refer to No sound output in all modes Is IF signal sent to pins 41 INM 42 INP of IC1106 NO Check the line between IC1102 and IC1106 YES Is signal output to pins 17 CTS_CK_60MHz 18 CTS_...

Page 61: ... input signal to pins R28 CVBS_L and T28 CVBS_R of IC3302 Digital AV decode Main CPU from J505 NO Check IC3302 and its peripheral circuits YES Refer to No sound output in all modes No sound from external input devices 3 Does not the sound of the audio signal input to HDMI 2 mode go out Does not the sound of the audio signal input to PC Compo nent mode go out Check whether it is selected Video Audi...

Page 62: ...HONE_OUTPUT AUDIO_OUTPUT terminal Does not the sound of the audio signal output to Headphone mode go out Does not the sound of the audio signal output to Audio out mode go out Check whether it is selected Headphone by Headphone Audio out select under Menu Setup Option Input terminal setting Check whether it is selected Audio out by Headphone Audio out select under Menu Setup Option Input terminal ...

Page 63: ...ut to HDMI1 go out Is the audio signal output to pins 14 of SC1503 HDMI1 termi nal YES Check SC1503 and peripheral circuits NO Is the audio signal output to pins 8 10 12 of IC1508 YES Check the line between SC1503 and IC1508 NO Is the audio signal input to pins 9 11 13 of IC1508 Is the audio signal output to pins 6 of IC1508 Is the audio signal input to pins 5 of IC1508 YES Check SC1508 and periph...

Page 64: ...302 and P2601 YES Similarly is LCD controler s control signal normal NO Please check each control signal of DET_POW DET_PNL12V PE PNL_EN YES PANEL_UNIT Is the LVDS signal input to connector LW of the panel module NO NO Wire harness LW is checked YES Check the panel module No picture on the display 2 Does not the picture come out when VHF UHF is received Is the video signal TUNER_CVBS output from p...

Page 65: ...s 14 Y and 4 C of EXT1 SC505 NO Check the setting of an external input device that connects with EXT1 YES Is Y C signal from EXT1 SC505 sent to pins AG29 SC1_CVBS_Y and AG28 SC1_C1 of IC3302 Digital AV decode Main CPU NO Check the line between SC505 and IC3302 YES Refer to The picture doesn t appear in all modes External input EXT1 No picture on the display 6 Does not the picture of the R G B sign...

Page 66: ...501 NO Check the setting of an external input device that connects with EXT3 YES Is COMPONENT signal sent to pins AJ17 PC_R_CM AJ16 PC_G_CM and AJ15 PC_B_CM of IC3302 NO Check the line between SC501 and IC3302 YES Refer to The picture doesn t appear in all modes External input EXT3 No picture on the display 9 Does not the picture of the DVI ANALOG video signal input to EXT3 15pin D SUB terminal go...

Page 67: ...1 Check the peripheral circuit of SC1502 1503 1505 1501and IC1504 Is EDID data pins 30 HDMI3_SCL 29 HDMI3_SDA of IC1504 accessed and is it read from pins 15 16 of a HDMI 4 SC1505 YES Is TMDS signal input into pins 20 19 HDMI1_CLKP N 22 21 HDMI1_D0P N 24 23 HDMI1_D1P N 26 25 HDMI1_D2P N of IC1504 from HDMI 1 SC1503 NO Check the line between HDMI 1 SC1503 and IC1504 Is TMDS signal input into pins 12...

Page 68: ...t No picture appears on EXT1connected monitor during the DTV reception refer to B A B Refer to No picture on the display 2 Refer to No picture on the display 3 External input Network No picture on the display Does not the signal input to Network go out Does the signal in output to pins 1 2 3 4 of LAN jack J9501 NO Check the interface device and peripheral circuits power LED of hub LINK LED of hub ...

Page 69: ...of P9602 at H NO Check the power unit and the signal line between STB and IC2002 YES Replace the power unit LCD Panel failure 1 Does a single or several vertical stripes appear on the LCD screen Does a single or sev eral horizontal stripes appear on the LCD screen Do luminescent or black dots appear on the screen Is the on screen image rippling or distorted Is there any portion which some screens ...

Page 70: ...oesn t return to the outline display again blink at low speed by pushing the MENU key The toggle is not done Please confirm MONITOR ERR CAUSE of the adjustment Process mode 1 21 when the error doesn t reproduce by having returned from the error The process of the upgrade is expressed by the brightness of point LED that smoothness changes The upgrade completion is expressed by the LED brightness th...

Page 71: ...Power failure detected by the monitor microprocessor IC2002 is stored on EEPROM states can be confirmed in the adjustment process mode Location Page 1 21 of the adjustment process mode MONITOR ERR CAUSE 0 if there is no error It is cleared to 0 on the page 2 21 of the adjustment process mode Display Error description 02 Start up communication error 2 Initial communication from the main CPU is not ...

Page 72: ...High speed H ON L OFF ERR_PNL 40pin Abnormal H Confirmed after 8 consecutive detections at 64ms intervals detected only when the backlight is on NOTE After 5 detection counts the lamp cannot be activated except in the monitoring process To confirm the problem Lamp Error detection off mode is prepared This mode compulsorily starts the set disregarding the count Please refer to ADJUSTMENT PROCEDURE ...

Page 73: ...egular communication that is performed at 1 second intervals in the normal operation is interrupted Main CPU operation failure or monitor microprocessor reception failure Other communica tion failure Flashes 5 times High speed H ON L OFF When a request PM_REQ H is sent from the main microproces sor the request command is not output from the main CPU etc Main CPU operation failure or monitor microp...

Page 74: ...ow operation from a single 3V to 5 5V supply IC4405 VHiMT8295AE 1Q CI controler This is a control IC for PCMCIA cards This controls information on IC cards inserted into the PCMCIA card slot SC4401 or information on software version upgrade cards saved on flash memories to transfer the data to CPUs and mem ories IC2004 VHiR24002AS 1Y 2K bit E2PROM This is a 2Kbit 2 wire I2C bus type serial EEPROM ...

Page 75: ...S232C D SUB 9pin SC504 1 41 SB P2702 1 15 RA P2005 TUNER 1 5 SP P2701 HDMI HDMI HDMI PC COMP Audio J501 PC COMP D SUB SC501 AV IN J505 H P Audio out J504 LAN J9501 2 1 PL Woofer CI card slot SC4401 Icon Unit 1 9 1 8 1 15 9 1 1 9 1 6 1 10 1 4 1 3 14 1 HDMI1 SC1503 HDMI1 SC1502 HDMI1 SC1501 HDMI1 SC1505 LAN J3301 20 19 2 1 LB P9602 RL P2006 SC CARD Connector SC8454 1 41 4 1 LB L2 L1 LOGO Touch Key U...

Page 76: ...702 1 15 RA P2005 TUNER 1 5 SP P2701 HDMI HDMI HDMI PC COMP Audio J501 PC COMP D SUB SC501 AV IN J505 H P Audio out J504 LAN J9501 2 1 PL Woofer CI card slot SC4401 Icon Unit 1 9 1 8 1 15 9 1 1 9 1 6 1 10 1 4 1 3 14 1 HDMI1 SC1503 HDMI1 SC1502 HDMI1 SC1501 HDMI1 SC1505 LAN J3301 20 19 2 1 LB P9602 RL P2006 SC CARD Connector SC8454 1 41 4 1 LB L2 L1 LOGO Touch Key Unit QCNW K548WJQZ QCNW K550WJQZ R...

Page 77: ...15 RA P2005 TUNER 1 5 SP P2701 HDMI HDMI HDMI PC COMP Audio J501 PC COMP D SUB SC501 AV IN J505 H P Audio out J504 LAN J9501 2 1 PL Woofer CI card slot SC4401 Icon Unit 1 9 1 8 1 15 9 1 1 9 1 6 1 10 1 4 1 3 14 1 HDMI1 SC1503 HDMI1 SC1502 HDMI1 SC1501 HDMI1 SC1505 LAN J3301 20 19 2 1 LB P9602 RL P2006 SC CARD Connector SC8454 1 41 4 1 LB L2 L1 LOGO Touch Key Unit QCNW K548WJQZ QCNW K550WJQZ RI KM R...

Page 78: ...26FU UCOM_RST RS_BUF_CNT RxD TxD IC2001 Reset BU 3 3V From CPU CNVss PM_REQ N_SRESET I2C EEPROM_SCL SDA IC2004 EEPROM 2kbit BU 3 3V RGB HV FBIN IC1504 HDMI SW SII9287B I2C_0_400KHz DDC_2 HDMI_2 DDC_1 HDMI_1 CI CPU_OUT 3 3V Headphone Audio Out CEC_0 TUNER_I2C PWM_1 CEC_0 OFL2 FAST_SW I2C_2 IC3502 DDR2 1066M 1Gbit PNL_POW STB_CPU UART S Video S Video IF_AGC IC4405 CI Controller MT8295 DVB_TC_IFSW CI...

Page 79: ... 52LE820E LC 40 46LU820E PartsGuide 1 PRINTED WIRING BOARD ASSEMBLIES 2 LCD PANEL MODULE 3 CABINET PARTS LC 40LE820E LU820E 4 CABINET PARTS LC 46LE820E LU820E 5 CABINET PARTS LC 52LE820E 6 SUPPLIED ACCESSORIES 7 PACKING PARTS NOT REPLACEMENT ITEM LC 40LE820E LU820E 8 PACKING PARTS NOT REPLACEMENT ITEM LC 46LE820E LU820E 9 PACKING PARTS NOT REPLACEMENT ITEM LC 52LE820E 10 SERVICE JIGS USE FOR SERVI...

Page 80: ...OWER Unit LC 46LE820E LU820E N RUNTKA694WJQZ BT N P POWER Unit LC 52LE820E N RUNTK4512TPZC N P LCD CONTROL Unit LC 40LE820E LU820E 52LE820E N RUNTK4437TPZE CM N P LCD CONTROL Unit LC 46LE820E LU820E N RUNTK4462TPZZ BG N P LED PWB Unit x4 LC 40LE820E LU820E N RUNTK4461TPZZ BK N P LED PWB Unit x4 LC 46LE820E LU820E N RUNTK4460TPZZ BL N P LED PWB Unit x4 LC 52LE820E 2 LCD PANEL MODULE N R1LK400D3LWF0...

Page 81: ... 56 21 21 28 36 6 31 30 34 37 35 8 26 44 16 16 9 16 4 16 44 44 44 44 44 38 38 50 46 19 47 2 2 4 2 9 2 9 2 7 2 6 2 8 2 1 2 5 24 54 G k a L H L R C LED Unit LOGO Unit ICON Unit b d TOUCH SENSOR Unit e p J J H B j F G E 40 LCD Panel Module Unit g f h K POWER Unit F n m g f j p E k h m n a MAIN Unit d b e p K p C C B X3 2 X3 1 X2 X1 2 A A X1 1 X3 3 Note Be sure to attach this insulation sheet Ref No 2...

Page 82: ...rew for VESA Rear Cabinet Ass y x4 20 LX BZA364WJF7 AA N P Screw for Woofer x4 21 NSFTZA362WJFW N P Shaft for PWB Angle x4 22 PCLiCA004WJKZ AC J Nylon Rivet x2 23 PMLT A632WJZZ AD N P Gasket 24 PSLDPA113WJZZ N P Shield Tape C 25 PZETKA548WJKZ N P Insulation Sheet Power 26 PZETKA556WJKZ AE N P Insulation Sheet ECO 27 QACCBA099WJPZ AR N P AC Cord for U K 27 QACCKA052WJPZ AN N P AC Cord except for U ...

Page 83: ...5 1 5 1 1 2 41 41 35 47 47 54 46 53 19 46 13 46 19 19 12 46 46 10 54 55 47 25 24 11 46 46 53 19 19 19 18 51 51 19 46 15 14 46 27 56 46 46 46 26 58 B G h F k j j POWER Unit g f m MAIN Unit h d b p j k h a e E K m J H J L LOGO Unit ICON Unit e p R C LED Unit b d TOUCH SENSOR Unit a L C C 46 LCD Panel Module Unit j h G g f B F H E K X3 2 X3 1 X1 2 X2 A A X1 1 X3 3 Note Be sure to attach this insulati...

Page 84: ...176WJUZ AC J Wire Holder 19 LHLDWA294WJUZ AC J Wire Holder x7 20 LHLDZA587WJKZ AC J Spacer x5 21 LX BZA170WJF9 AB N P Screw for VESA Rear Cabinet Ass y x4 22 LX BZA364WJF7 AA N P Screw for Woofer x4 23 NSFTZA362WJFW N P Shaft for PWB Angle x4 24 PCLiCA004WJKZ AC J Nylon Rivet x2 25 PMLT A632WJZZ AD N P Gasket 26 PSLDPA113WJZZ N P Shield Tape C 27 PZETKA541WJKZ AW N P Insulation Sheet Power 28 PZET...

Page 85: ...48 47 47 47 35 38 2 1 42 42 36 3 46 1 3 1 1 1 2 1 34 8 29 47 52 52 57 40 53 23 43 37 2 2 4 2 9 2 9 2 7 2 8 22 50 60 60 61 27 59 19 19 19 C B MAIN Unit E n k m h a POWER Unit j F m k g f j 52 LCD Panel Module Unit B F G H h E g f d b p e a L J H J LOGO Unit e ICON Unit p L R C LED Unit b d TOUCH SENSOR Unit p K C K p G n X3 1 X3 2 X1 2 X2 Note Be sure to attach this insulation sheet Ref No 2 6 28 5...

Page 86: ...NSFTZA362WJFW N P Shaft for PWB Angle x4 25 PCLiCA004WJKZ AC J Nylon Rivet x2 26 PMLT A632WJZZ AD N P Gasket 27 PSLDPA113WJZZ N P Shield Tape C 28 PZETKA541WJKZ AW N P Insulation Sheet Power 29 PZETKA556WJKZ AE N P Insulation Sheet ECO 30 QACCBA099WJPZ AR N P AC Cord for U K 30 QACCKA052WJPZ AN N P AC Cord except for U K 31 QCNW K548WJQZ AF N P Connecting Cord PD 32 QCNW K550WJQZ AE N P Connecting...

Page 87: ... X7 QCNWGA160WJPZ AM N P AV Cable X8 RRMCGA841WJSA AX N P Remote Control Unit X9 TCAUZA408WJZZ AB N P Caution Card X10 TGAN A801WJZZ AC N P Warranty Card for U K X11 TGAN A802WJZZ AB N P Warranty Card for U K X12 TiNS E540WJZZ AT N P Operation Manual LC 40 46 52LE820E X12 TiNS E540WJN1 N P Operation Manual LC 40 46LU820E X13 UBATAA011WJZZ AF J AAA size alkaline battery x2 X14 TiNS E541WJZZ N P Ope...

Page 88: ...LC 40 46 52LE820E LC 40 46LU820E 10 7 PACKING PARTS NOT REPLACEMENT ITEM LC 40LE820E LU820E S2 S6 S6 S1 S11 S10 S4 S8 S8 S7 S3 S9 S5 S5 S5 S5 X8 X3 X2 X9 X10 X11 X12 X14 X15 X16 X17 X4 X13 X1 X5 X6 X7 ...

Page 89: ...e LC 40LU820E S2 SPAKPB475WJZZ N Wrapping Paper S3 SPAKPB526WJZZ N Wrapping Paper S4 SPAKPB528WJZZ N Wrapping Paper LC 40LE820E S4 SPAKPB561WJZZ N Wrapping Paper LC 40LU820E S5 SPAKXC920WJZZ N Packing Add Top S6 SPAKXC925WJZZ N Packing Add Bottom S7 SSAKAA009WJZZ N Polyethylene Bag S8 SSAKAA111WJZZ N Polyethylene Bag x2 S9 SSAKKA006WJZZ N Polyethylene Bag S10 SSAKKA008WJZZ N Polyethylene Bag S11 T...

Page 90: ...0 46 52LE820E LC 40 46LU820E 12 8 PACKING PARTS NOT REPLACEMENT ITEM LC 46LE820E LU820E S1 S3 S7 S7 S7 S2 S6 S6 S6 S6 S7 S9 S9 S8 S4 S10 S11 S5 S12 X8 X4 X13 X1 X3 X2 X9 X10 X11 X12 X14 X15 X16 X17 X6 X7 X5 ...

Page 91: ... SPAKCF496WJZZ N Packing Case Bottom S3 SPAKPB477WJZZ N Wrapping Paper S4 SPAKPB527WJZZ N Wrapping Paper S5 SPAKPB529WJZZ N Wrapping Paper LC 46LE820E S5 SPAKPB562WJZZ N Wrapping Paper LC 46LU820E S6 SPAKXC921WJZZ N Packing Add Top S7 SPAKXC926WJZZ N Packing Add Bottom S8 SSAKAA009WJZZ N Polyethylene Bag S9 SSAKAA111WJZZ N Polyethylene Bag x2 S10 SSAKKA007WJZZ N Polyethylene Bag S11 SSAKKA008WJZZ ...

Page 92: ...C 40 46 52LE820E LC 40 46LU820E 14 9 PACKING PARTS NOT REPLACEMENT ITEM LC 52LE820E S1 S3 S7 S7 S7 S2 S6 S6 S6 S6 S7 S9 S8 S4 S10 S11 S5 S12 S9 X8 X9 X10 X11 X12 X4 X13 X1 X3 X2 X6 X7 X5 X14 X15 X16 X17 ...

Page 93: ...AKAA009WJZZ N Polyethylene Bag S9 SSAKAA111WJZZ N Polyethylene Bag x2 S10 SSAKKA007WJZZ N Polyethylene Bag S11 SSAKKA008WJZZ N Polyethylene Bag S12 TLABM5584BMZZ N Case No Label 10 SERVICE JIGS USE FOR SERVICING N QCNW G616WJQZ BK J Main Unit to LCD Control Unit LW N QCNW G625WJQZ AP J Main Unit to Power Unit PL N QCNW H184WJQZ AX J Main Unit to Power Unit PD N QCNW H185WJQZ AV J Main Unit to Powe...

Page 94: ...ublication may be reproduced 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 AV Systems Group CS Promotion Center Yaita Tochigi 329 2193 Japan Mar 2010 SH DS ...

Page 95: ...HAPTER 1 PRINTED WIRING BOARD ASSEM BLIES 1 MAIN Unit 1 1 2 R C LED ICON LOGO Unit 1 5 CHAPTER 2 SCHEMATIC DIAGRAM 1 DESCRIPTION OF SCHEMATIC DIA GRAM 2 1 2 SCHEMATIC DIAGRAM 2 2 Parts Guide TopPage CONTENTS LCD COLOUR TELEVISION LC 40LE820E LC 46LE820E LC 52LE820E LC 40LU820E LC 46LU820E MODELS In the interests of user safety Required by safety regulations in some countries the set should be rest...

Page 96: ...nual OUTLINE We inform you that service parts in the PWB Unit Unit Model Name Unit name Description DKEYDF455FM01 MAIN Unit DUNTKF493FM03 ICON Unit DUNTKF493FM04 LOGO Unit LC 40LE820E LC 46LE820E LC 52LE820E LC 40LU820E LC 46LU820E DUNTKF494FM02 R C LED Unit ...

Page 97: ...LC 40 46 52LE820E LC 40 46LU820E 1 1 LC 40LE820E Service Manual CHAPTER 1 PRINTED WIRING BOARD ASSEMBLIES 1 MAIN Unit 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 MAIN Unit Side A ...

Page 98: ... R2725 FB2631 R2726 R2727 C2750 R2728 C3308 R2729 C2751 C2752 C2753 R4478 C3503 C3310 R2730 R2731 R2732 R2733 R2734 R2735 R4482 R2736 R2737 R4483 R4484 R2738 R2739 R4485 R4486 R4487 FL508 FL509 R2740 R2741 C3321 R2742 C3323 R2743 R2744 D3301 FL511 R2745 R2746 FL512 D3303 FL513 R2747 R2748 R2749 D3306 FL517 D3309 VA506 R2750 R2751 R3309 IC3302 R2752 R2753 R2754 IC3304 ALM2001 X1101 R2755 R3501 R350...

Page 99: ...LC 40 46 52LE820E LC 40 46LU820E 1 3 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 MAIN Unit Side B ...

Page 100: ...722 C3302 R2723 C3303 R9677 R1590 R4470 L504 R9678 C3304 R9679 C3305 R1591 R4471 R1592 R4472 FB2632 C3306 FB2633 C3307 R4473 R1593 R1594 R4474 FB2634 FB2635 R4475 C3309 R1595 FB2636 R4476 R4477 FB2637 C3501 C3502 C3504 C3311 R9685 C3312 C3506 R9687 C3507 C3313 C3314 R9688 FL501 R9689 C3315 C3316 FL502 FL503 C3317 C3318 C3319 R4488 R9690 R4489 R9691 C3512 R9692 C3513 R9693 R9694 C3320 C3514 R9695 C...

Page 101: ... Unit Side A R C LED Unit Chip Parts Side A R C LED Unit Side B ICON Unit Side A ICON Unit Chip Parts Side A C201 C202 D201 D202 D203 D204 P201 P202 R201 R202 R203 R204 LOGO Unit Side A LOGO Unit Chip Parts Side A C201 C202 D201 D202 D203 D204 P201 P202 R201 R202 R203 R204 P103 R106 R109 R113 R120 C101 C102 C103 C104 C105 C106 D104 IC101 ...

Page 102: ...All resistors are 5 unless otherwise noted K 10 F 1 D 0 5 3 All resistors are 1 16W unless otherwise noted CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless otherwise noted 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 ...

Page 103: ...LC 40 46 52LE820E LC 40 46LU820E 2 2 2 SCHEMATIC 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 MAIN Unit 1 AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Page 104: ...LC 40 46 52LE820E LC 40 46LU820E 2 3 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 MAIN Unit 2 ...

Page 105: ...LC 40 46 52LE820E LC 40 46LU820E 2 4 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 MAIN Unit 3 ...

Page 106: ...LC 40 46 52LE820E LC 40 46LU820E 2 5 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 MAIN Unit 4 ...

Page 107: ...LC 40 46 52LE820E LC 40 46LU820E 2 6 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 MAIN Unit 5 ...

Page 108: ...LC 40 46 52LE820E LC 40 46LU820E 2 7 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 MAIN Unit 6 ...

Page 109: ...LC 40 46 52LE820E LC 40 46LU820E 2 8 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 MAIN Unit 7 ...

Page 110: ...LC 40 46 52LE820E LC 40 46LU820E 2 9 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 MAIN Unit 8 ...

Page 111: ...LC 40 46 52LE820E LC 40 46LU820E 2 10 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 MAIN Unit 9 ...

Page 112: ...LC 40 46 52LE820E LC 40 46LU820E 2 11 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 MAIN Unit 10 ...

Page 113: ...LC 40 46 52LE820E LC 40 46LU820E 2 12 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 MAIN Unit 11 ...

Page 114: ...LC 40 46 52LE820E LC 40 46LU820E 2 13 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 MAIN Unit 12 ...

Page 115: ...LC 40 46 52LE820E LC 40 46LU820E 2 14 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 R C LED Unit ...

Page 116: ...LC 40 46 52LE820E LC 40 46LU820E 2 15 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 ICON Unit ...

Page 117: ...LC 40 46 52LE820E LC 40 46LU820E 2 16 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 LOGO Unit ...

Page 118: ...LC 40 46 52LE820E LC 40 46LU820E 2 17 M E M O ...

Page 119: ... been published to be used for after sales service only The contents are subject to change without notice LC 40 46 52LE820E LC 40 46LU820E PartsGuide 1 PRINTED WIRING BOARD ASSEMBLIES 2 DKEYDF455FM01 MAIN Unit 3 DUNTKF494FM02 R C LED Unit 4 DUNTKF493FM03 ICON Unit 5 DUNTKF493FM04 LOGO Unit CONTENTS No S00N240LE820E LCD COLOUR TELEVISION LC 40LE820E LC 46LE820E LC 52LE820E LC 40LU820E LC 46LU820E M...

Page 120: ...10V Ceramic C584 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C586 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C588 VCCCCZ1HH470JY AB J Capacitor 47p 50V Ceramic C592 VCKYCZ1HB471KY AB J Capacitor 470p 50V Ceramic C603 VCKYCY1AB105KY AB J Capacitor 1 10V Ceramic C604 VCKYCY1AB105KY AB J Capacitor 1 10V Ceramic C1103 RC KZA616WJQZY AB J Capacitor 10 10V Ceramic C1104 VCKYCZ1AB104KY AB J Capacito...

Page 121: ... Ceramic C2028 VCCCCZ1HH101JY AB J Capacitor 100p 50V Ceramic C2029 VCCCCZ1HH101JY AB J Capacitor 100p 50V Ceramic C2602 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2701 VCCCCZ1HH120GY AA J Capacitor 12p 50V Ceramic C2702 VCCCCY1HH120GY N P Capacitor 12p 50V Ceramic C2703 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2704 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2705 VCKYCZ1AB104KY AB J ...

Page 122: ...5 RC KZA616WJQZY AB J Capacitor 10 10V Ceramic C3356 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C3357 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C3358 VCKYCZ1CB223KY AC J Capacitor 0 022 16V Ceramic C3359 VCKYCZ1EB103KY AA J Capacitor 0 01 25V Ceramic C3360 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C3361 RC KZA616WJQZY AB J Capacitor 10 10V Ceramic C3362 VCKYCZ1AB104KY AB J Capacitor 0 1...

Page 123: ...ic C9503 RC KZA523WJQZY AD J Capacitor 1000p 50V Ceramic C9504 RC KZA616WJQZY AB J Capacitor 10 10V Ceramic C9505 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C9506 VCCCCZ1HH150GY AA J Capacitor 15p 50V Ceramic C9507 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C9508 VCCCCZ1HH150GY AA J Capacitor 15p 50V Ceramic C9509 VCCCCZ1HH101JY AB J Capacitor 100p 50V Ceramic C9510 VCKYCZ1AB104KY AB J Capac...

Page 124: ... 1Y N P Diode 1SS184 T5L F T D1517 VHD1SS184 1Y N P Diode 1SS184 T5L F T D2701 VHD1SS184 1Y N P Diode 1SS184 T5L F T D3301 RH PXA018WJZZY AC J LED GM1HD55200A D3303 RH EXA641WJQZY AA J Zener Diode RKZ12B2KG D3304 VHD1SS226 1Y AC J Diode 1SS226 T5L F T D3305 RH EXA632WJQZY N P Zener Diode RKZ5 1B2KG D3306 RH EXA632WJQZY N P Zener Diode RKZ5 1B2KG D3309 RH EXA641WJQZY AA J Zener Diode RKZ12B2KG D331...

Page 125: ...ite Bead FB2625 RBLN A074WJZZY AA J Ferrite Bead FB2626 RBLN A074WJZZY AA J Ferrite Bead FB2627 RBLN A074WJZZY AA J Ferrite Bead FB2628 RBLN A074WJZZY AA J Ferrite Bead FB2629 RBLN A074WJZZY AA J Ferrite Bead FB2630 RBLN A074WJZZY AA J Ferrite Bead FB2631 RBLN A074WJZZY AA J Ferrite Bead FB2632 RBLN A192WJZZY AA J Ferrite Bead FB2633 RBLN A192WJZZY AA J Ferrite Bead FB2634 RBLN A192WJZZY AA J Ferr...

Page 126: ...WH126FU 1Y AE J IC TC7WH126FU TE12L F IC2009 VHiTC7SH00U 1Y AC J IC TC7SH00FU T5L JF T IC2601 VHiHC2G66DP 1Y AD J IC 74HC2G66DP 125 IC2701 VHiYSS951VZ 1Y N P IC YSS951 VZE2 IC2702 VHiYDA164QZ 1Y N P IC YDA164 QZE2 IC2703 VHiYDA164QZ 1Y N P IC YDA164 QZE2 IC3301 VHiS170B50U 1Y N P IC S 1170B50UC OUJTFG IC3302 Not Available N IC MT5391DWCJ Please replace the MAIN PWB when it is necessary to replace ...

Page 127: ...1U T111 1 Q2008 VSRN4982 1Y AB J Transistor RN4982 TE85L F Q2009 VSHN7G04FUA 1Y AB J Transistor HN7G04FU A TE85L F Q2603 VSRT1N141U 1Y AB J Transistor RT1N141U T111 1 Q2701 VSRT1N141U 1Y AB J Transistor RT1N141U T111 1 Q3301 VSRN4982 1Y AB J Transistor RN4982 TE85L F Q4401 VSRT1N141U 1Y AB J Transistor RT1N141U T111 1 Q9601 VSRN4982 1Y AB J Transistor RN4982 TE85L F Q9604 VSHN7G04FUA 1Y AB J Trans...

Page 128: ...tal Oxide R1103 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R1104 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R1105 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R1106 VRS CZ1JF151JY AA J Resistor 150 1 16W Metal Oxide R1107 VRS CZ1JF471JY AA J Resistor 470 1 16W Metal Oxide R1109 VRS CZ1JF471JY AA J Resistor 470 1 16W Metal Oxide R1110 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal ...

Page 129: ... Oxide R2019 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2020 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2021 VRS CZ1JF104JY AA J Resistor 100k 1 16W Metal Oxide R2022 VRS CZ1JF333JY AA J Resistor 33k 1 16W Metal Oxide R2023 VRS CZ1JF473JY AA J Resistor 47k 1 16W Metal Oxide R2024 VRS CZ1JF102FY AA J Resistor 1k 1 16W Metal Oxide R2025 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal ...

Page 130: ...CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2734 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R2735 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R2736 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2738 VRS CZ1JF564JY AB J Resistor 560k 1 16W Metal Oxide R2739 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R2740 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R2741 VRS CZ1JF224...

Page 131: ...J Resistor 100 1 16W Metal Oxide R3383 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R3384 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R3389 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R3390 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R3395 VRS CZ1JF391JY AA J Resistor 390 1 16W Metal Oxide R3399 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R3400 VRS CZ1JF100JY AA J ...

Page 132: ...VRK SB1FF100JY AA J Resistor 10 1 32W Metal Composition R4474 VRK SB1FF100JY AA J Resistor 10 1 32W Metal Composition R4475 VRK SB1FF100JY AA J Resistor 10 1 32W Metal Composition R4476 VRK SB1FF000JY AA J Resistor 0 1 32W Metal Composition R4477 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R4488 VRS CZ1JF100JY AA J Resistor 10 1 16W Metal Oxide R4489 VRS CZ1JF100JY AA J Resistor 10 1 16W Meta...

Page 133: ... J Resistor 10 1 16W Metal Oxide R9638 VRS CZ1JF563FY AA J Resistor 56k 1 16W Metal Oxide R9639 VRS CZ1JF272JY AA J Resistor 2 7k 1 16W Metal Oxide R9640 VRS CZ1JF103FY AB J Resistor 10k 1 16W Metal Oxide R9641 VRS CZ1JF100JY AA J Resistor 10 1 16W Metal Oxide R9643 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R9645 VRS CZ1JF102JY AA J Resistor 1k 1 16W Metal Oxide R9646 VRS CZ1JF000JY AA J ...

Page 134: ... 16W Metal Oxide R120 VRS CY1JF101JY AA J Resistor 100 1 16W Metal Oxide RMC101 RRMCUA053WJZZ AE J Remote Receiver SLD101 PSLDPA076WJFW AD J Shield 4 DUNTKF493FM03 ICON Unit D203 RH PXA153WJZZY AF J LED SMLE12WBX7W1 D204 RH PXA153WJZZY AF J LED SMLE12WBX7W1 P202 QPLGNA336WJZZY N P Plug R203 VRS TV1JD131JY N P Resistor 130 1 10W Metal Oxide R204 VRS TV1JD131JY N P Resistor 130 1 10W Metal Oxide 5 D...

Page 135: ...LC 40 46 52LE820E LC 40 46LU820E ...

Page 136: ...ublication may be reproduced 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 AV Systems Group CS Promotion Center Yaita Tochigi 329 2193 Japan Apr 2010 SH DS ...

Page 137: ... LCD Module 1 LC 40LE820E LU820E 1 1 2 LC 46LE820E LU820E 1 2 3 LC 52LE820E 1 3 CHAPTER 2 Handling Notes LCD Module 1 Fix the LED PWB at the LED PWB Angle 2 1 2 Peel off the Lamination Film 2 4 Parts Guide TopPage CONTENTS LCD COLOUR TELEVISION LC 40LE820E LC 46LE820E LC 52LE820E LC 40LU820E LC 46LU820E MODELS In the interests of user safety Required by safety regulations in some countries the set...

Page 138: ...ntrol PWB perform the VCOM adjustment Information of service parts in the LCD Module Unit Model name Unit name Description LC 40LE820E LC 40LU820E 40 LCD Panel Module Unit LC 46LE820E LC 46LU820E 46 LCD Panel Module Unit R1LK400D3LWF0Y R1LK460D3LWA0Y LC 52LE820E 52 LCD Panel Module Unit R1LK520D3LWA0Y ...

Page 139: ...Top and P Chassis Ass y Bottom 5 Detach the P Chassis Ass y L and P Chassis Ass y R 6 Detach the DBEF Sheet and Lens Sheet 7 Detach the Micro Lens Sheet and Light Guide Plate 8 Detach the Reflection Sheet and BL Chassis Ass y Bezel Ass y Top Bezel Ass y Bottom Bezel Ass y L Bezel Ass y R BL Chassis Ass y P Chassis Ass y Top P Chassis Ass y L P Chassis Ass y R P Chassis Ass y Bottom DBEF Sheet Refl...

Page 140: ...Ass y Bottom 5 Detach the P Chassis Ass y L R 6 Detach the DBEF Sheet and Lens Sheet 7 Detach the Micro Lens Sheet and Light Guide Plate 8 Detach the Reflection Sheet and BL Chassis Ass y 3 4 5 5 6 8 7 8 9 11 10 13 12 14 1 2 Bezel Ass y Top Bezel Ass y Bottom Bezel Ass y L Bezel Ass y R BL Chassis Ass y P Chassis Ass y Top P Chassis Ass y L P Chassis Ass y R P Chassis Ass y Bottom DBEF Sheet Refle...

Page 141: ... y Bottom 5 Detach the P Chassis Ass y L R 6 Detach the DBEF Sheet and Lens Sheet 7 Detach the Micro Lens Sheet and Light Guide Plate 8 Detach the Reflection Sheet and BL Chassis Ass y Bezel Ass y Top Bezel Ass y Bottom Bezel Ass y L Bezel Ass y R BL Chassis Ass y P Chassis Ass y Top P Chassis Ass y L P Chassis Ass y R P Chassis Ass y Bottom DBEF Sheet Reflection Sheet Lens Sheet Micro Lens Sheet ...

Page 142: ...d or conductive shoes Use JIG for hold angle Don t touch LED surface as much as possible Don t touch LED with screw or driver bit Identify the LED rank by the alpha numerical description of 2 digits For example 01 2 digits reverse side of connector reverse side of connector 1 Fix the LED PWB Angle unit on BL chassis with screw Note When fixing LED unit connector of LED PWB is outside Don t make a ...

Page 143: ...onized air blowers stamp 0061 stamp 0060 reverse side of connector Identify the LED rank by the alpha numerical description of 2 digits For example 01 reverse side of connector 2 digits Attach LED PWB Angle with screw S PWB side Angle A x2 LANGT0061TPZZ Angle B x2 LANGT0060TPZZ screw x32 LX BZ2103TPZZ screw lock blue Note Use same rank LED PWB in a module Use ionized air blowers Use conductive wri...

Page 144: ...㪄㪧㪮㪙㩷㪮㫀㫋㪿㩷㪸㩷㪡㪠㪞㪃㩷㪸㫅㪻㩷㫋㪿㪼㫅㩷㪽㫀㫏㩷㫀㫋㩷㫎㫀㫋㪿㩷㪪㪚㪩㪜㪮㫊㪅㪁㪝㪸㫊㫋㪼㫅㩷㪫㫆㫉㫈㫌㪼䋺㩷䋰䋮䋰䋷㫧䋰䋮䋰䋱㩷䌎䊶䌭㪁㪪㪺㫉㪼㫎㩷㪙㫀㫋䋺㪥㫆㪅㪇㪬㫊㪼㩷㫋㪿㪼㫊㪼㩷㫋㫎㫆㩷㫊㪼㫋㫊㩷㫇㪼㫉㩷㫆㫅㪼㩷㫄㫆㪻㫌㫃㪼㪚㫆㫅㫅㪼㪺㫋㫆㫉㩷㫊㫀㪻㪼㩷㫆㪽㩷㪣㪜㪛㪄㪧㪮㪙㩷㪺㫆㫄㪼㩷㫋㫆㩷㫋㪿㪼㩷㪚㫌㫋㩷㪪㫀㪻㪼㩷㫆㪽㩷㪟㪜㪘㪫㩷㪪㪧㪩㪜㪘㪛㪜㪩㪅㪚㫆㫅㫅㪼㪺㫋㫆㫉㩷㫊㫀㪻㪼㩷㫆㪽㩷㪣㪜㪛㪄㪧㪮㪙㩷㪺㫆㫄㪼㩷㫋㫆㩷㫋㪿㪼㩷㪚㫌㫋㩷㪪㫀㪻㪼㩷㫆㪽㩷㪟㪜㪘㪫㩷㪪㪧㪩㪜㪘㪛㪜㪩㪅㪪㪚㪩㪜㪮䋨㪤㪈㪅㪋㬍㪉㪅㪌䋩㪣㪯㪄㪪㪱㪉㪉㪇㪊㪫㪧㪱㪱㪪㪺㫉㪼㫎㩷㪙㫀㫋䋺㪥㫆㪅㪇 reverse side of connector Identify the LED rank by the alpha numerical description of 2 digits ...

Page 145: ...uch polarizer surface after lamination film is removed Claw fit 4 points Check upper claw 4 points P chassis B side S PWB side Fit 2 Fit the panel 3 Fit the S PWB to the P chassis 4 Peel off the front side lamination film Ionized air blowers S PWB side GND Front side Caution Ground S PWB connectors while peeling off lamination film Use a ionized air blower while peeling off lamination film Wind fr...

Page 146: ... while peeling off lamination film Use a ionized air blower while peeling off lamination film Wind from the blower should cover whole surface of panel Never touch polarizer surface after lamination film is removed Panel reference point Ionized air blowers Ionized air blowers Caution Ground S PWB connectors while peeling off lamination film Use a ionized air blower while peeling off lamination film...

Page 147: ... Polarizer Back S PWB side Panel Back Surface earth Procedure to peel off the lamination on LCD Panel Front 2 Peel off the lamination to the arrowed direction at a constant speed while removing the static electricity by the ionizer Note 㵘 Peel off toward the S PWB side The lamination film shall not touch SOF while peeling Make sure the entire surface is aired Panel shall not be over any Panel Carr...

Page 148: ...LC 40 46 52LE820E LC 40 46LU820E 2 7 M E M O ...

Page 149: ...This document has been published to be used for after sales service only The contents are subject to change without notice LC 40 46 52LE820E LC 40 46LU820E PartsGuide 1 LCD PANEL MODULE LC 40LE820E LU820E 2 LCD PANEL MODULE LC 46LE820E LU820E 3 LCD PANEL MODULE LC 52LE820E CONTENTS No S00N340LE820E LCD COLOUR TELEVISION LC 40LE820E LC 46LE820E LC 52LE820E LC 40LU820E LC 46LU820E MODELS ...

Page 150: ...03TPZZ N P Reflection Sheet 14 QCNWN2441TPZZ N P LED Cable 15 LHLDWA300WJKZ N P Wire Holder x3 16 LHLDZ4312TPZZ N P Cable Guide x2 17 RUNTK4462TPZZ N P LED PWB Unit x4 18 LANGT0064TPZZ N P LED PWB Angle A x2 19 LANGT0065TPZZ N P LED PWB Angle B x2 20 CCHSM0105TP01 N P BL Chassis Ass y 21 PCUSG3392TPZZ N P Guide Cushion 22 RUNTK4512TPZC N P LCD CONTROL Unit 23 PRDARA886WJFW N P LCD CONTROL Unit Cov...

Page 151: ...ction Sheet 13 QCNWN2440TPZZ N P LED Cable 14 LHLDWA300WJKZ N P Wire Holder x3 15 LHLDZ4315TPZZ N P Cable Guide x2 16 RUNTK4461TPZZ N P LED PWB Unit x4 17 LANGT0060TPZZ N P LED PWB Angle A x2 18 LANGT0061TPZZ N P LED PWB Angle B x2 19 CCHSM0103TP01 N P BL Chassis Ass y 20 PCUSG3392TPZZ N P Guide Cushion 21 RUNTK4437TPZE N P LCD CONTROL Unit 22 PRDARA886WJFW N P LCD CONTROL Unit Cover 23 QPWBM1040T...

Page 152: ...heet 13 QCNWN2439TPZZ N P LED Cable 14 LHLDWA300WJKZ N P Wire Holder x3 15 LHLDZ4318TPZZ N P Cable Guide x2 16 RUNTK4460TPZZ N P LED PWB Unit x4 17 LANGT0062TPZZ N P LED PWB Angle A x2 18 LANGT0063TPZZ N P LED PWB Angle B x2 19 CCHSM0104TP01 N P BL Chassis Ass y 20 PCUSG3392TPZZ N P Guide Cushion 21 RUNTK4512TPZC N P LCD CONTROL Unit 22 PRDARA886WJFW N P LCD CONTROL Unit Cover 23 QPWBM1007TPZZ N P...

Page 153: ...LC 40 46 52LE820E LC 40 46LU820E ...

Page 154: ...ublication may be reproduced 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 AV Systems Group CS Promotion Center Yaita Tochigi 329 2193 Japan Apr 2010 SH DS ...

Page 155: ...esn t return to the outline display again blink at low speed by pushing the MENU key The toggle is not done Please confirm MONITOR ERR CAUSE of the adjustment Process mode 1 21 when the error doesn t reproduce by having returned from the error The process of the upgrade is expressed by the brightness of point LED that smoothness changes The upgrade completion is expressed by the LED brightness tha...

Page 156: ...wer failure detected by the monitor microprocessor IC2002 is stored on EEPROM states can be confirmed in the adjustment process mode Location Page 1 21 of the adjustment process mode MONITOR ERR CAUSE 0 if there is no error It is cleared to 0 on the page 2 21 of the adjustment process mode Display Error description 02 Start up communication error 2 Initial communication from the main CPU is not re...

Page 157: ...igh speed H ON L OFF ERR_PNL 40pin Abnormal H Confirmed after 8 consecutive detections at 64ms intervals detected only when the backlight is on NOTE After 5 detection counts the lamp cannot be activated except in the monitoring process To confirm the problem Lamp Error detection off mode is prepared This mode compulsorily starts the set disregarding the count Please refer to ADJUSTMENT PROCEDURE 7...

Page 158: ...ular communication that is performed at 1 second intervals in the normal operation is interrupted o Main CPU operation failure or monitor microprocessor reception failure Other communica tion failure Flashes 5 times High speed H ON L OFF When a request PM_REQ H is sent from the main microproces sor the request command is not output from the main CPU etc o Main CPU operation failure or monitor micr...

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