HP PL4260N - 42" Plasma TV Service Manual Download

Page: 181 / 245

Plasma display pan

el service instruction

When each cable

is disconnected.

Check list

Bottom half of screen will not be displayed.

⑦

No display ( if the co

nnection is poor

, the display w

ill be abnormal)

⑥

No displ

ay ( no Z waveform )

⑪

⑫⑭

No displ

ay ( no 5 V )

⑬

No displ

ay ( no Va,Vs )

No display ( CTRL boar

d will not be operated )

⑤

The section of the X board w

here the cabl

e i

s disconnected wil

l not show the screen.

②③④

No displ

ay (no Y waveform )

①

The section of the X board w

here the cable

disconnected wil

l no

t show the screen.

⑧⑨⑩

en disco

ected

Cable No.

⑧

②

as discon

ected >

⑥

as not co

ected w

ell >

⑦

as not co

ected >

ot co

ected -

ell con

ected-

Summary of Contents for PL4260N - 42" Plasma TV

Page 1: ...High Definition Plasma TV Service Manual ...

Page 2: ...d by copyright No part of this document may be photocopied reproduced or translated to another language without the prior written consent of HP Hewlett Packard Company P O Box 4010 Cupertino CA 95015 4010 USA Copyright 2006 Hewlett Packard Development Company L P May be licensed in the United States by one or both of U S Patent Nos 4 930 158 and 4 930 160 until August 28 2008 Microsoft and Windows...

Page 3: ...quired by safety regulations in some countries the set should be restored to its original condition and only parts identical to those specified should be used HP This document has been published to be used for after sales service only The contents are subject to change without notice Service Manual ...

Page 4: ......

Page 5: ...4 OSD Functions 14 Command Table RS232 18 Removal and Replacement 23 Equipment and Tools Needed for Removal and Replacement 23 Tools 23 Equipment 23 Check After Service 23 Basic Adjustment Settings 23 Removal Procedures 24 Removing the Speaker Set 24 Removing the TV Pedestal 25 Removing the Small Back Cover 26 Removing the I O Panel 26 Removing the Main Board and the Tuner and Audio Board 27 Separ...

Page 6: ... Diag LED IR Board 73 Keypad Board 73 Speaker Connector Board left and right 73 Wires and Cables Overall Wiring Diagrams 74 PL5060N 74 Panel Module Diagram 50 75 PL4260N 75 Panel Module Diagram 42 76 Ties and clamps 77 Replaceable Parts 78 Parts Replacement 78 HP Plasma HD TV Models 78 Replaceable Parts List 79 Replacement Parts List with Picture 80 FW Update Procedure 89 Overview 89 IDE Update 89...

Page 7: ...parts list WARNING Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from HP HP assumes no liability express or implied arising out of any unauthorized modification of design The service technician assumes all liabi...

Page 8: ...fire or electric shock The PDP module uses a high voltage maximum 450V DC Be cautious of electric shock and do not touch the device circuitry when handling the PDP unit Because the capacitor of the device circuitry may remain charged at the moment of power off standing by for 1 minute is strongly recommended before touching the device circuitry Use only with the cart stand tripod bracket or table ...

Page 9: ...areless handling during repair can be life threatening When repairing make sure that you are connected with the same potential as the mass of the unit via a wrist wrap with resistance Keep components and tools also at the same potential About Lead Free Solder NOTE LEAD IS LISTED AS PB IN THE PERIODIC TABLE OF THE ELEMENTS IN THE INFORMATION THAT FOLLOWS PB WILL REFER TO LEAD SOLDER AND PBF WILL RE...

Page 10: ... humidity The capacitance or resistance value of the SMDs may be affected by these conditions Rough handling of circuit boards containing SMDs may cause damage to the components as well as the circuit boards Circuit boards containing SMDs should never be bent or flexed Different circuit board materials expand and contract at different rates when heated or cooled and the components and or solder co...

Page 11: ... component are deformed drastically so the removed LF BGA has to be discarded Device removal As is the case with any component that it is essential when removing an LF BGA the board tracks solder lands or surrounding components are not damaged To remove an LF BGA the board must be uniformly heated to a temperature close to the reflow soldering temperature A uniform temperature reduces the chance o...

Page 12: ... 1366 H x 768 V 1 pixel 3 RGB cells Pixel pitch 900 H x 676 V 810 H x 810 V Cell pitch 300 H x 676 V 270 H x 810 V Green Cell basis Display area 920 1 H x 518 4 V 0 5 mm 1106 5 H x 622 1 V 0 5 mm Outline dimension 1005 H x 597 V x 60 7 D 1 mm 1190 H x 700 V x 58 D 1 mm Pixel type RGB Closed type RGB Closed Well type Number of gradations R 1024 x G 1024 x B 1024 R 1024 x G 1024 x B 1024 colors Aspe...

Page 13: ...o V 160 o Horizontal 31 65 kHz Vertical 59 76 Hz 108 MHz ATSC NTSC Clear QAM 1 1 Tuning Cable Card No No Video enhancers Digital comb filter Video noise reduction 3 2 Pull down Auto brightness enhancer Fine detail enhancement Vivid color enhancer Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Whitewash Yes Yes Burn in protection Auto brightness adjustment Yes Yes No of speakers 2 x 3 1 tweeter 2 midrange...

Page 14: ...d Power supply AC 100 240 V 50 60 Hz AC 100 240 V 50 60 Hz Power consumption W 340 W 450 W Dimensions with speakers and stand H W D 28 9 53 5 12 3 32 8 61 1 12 3 Dimensions with speakers but without stand H W D 25 9 53 5 3 7 29 8 61 1 4 3 Dimensions without speakers and without stand H W D 25 9 41 4 3 7 29 8 49 0 4 3 Weight with speakers and stand 90 4 lb 113 5 lb Weight with speakers without stan...

Page 15: ...nectors Audio Input Connectors Name Description VGA DVI Audio Input Analog line in audio input on stereo 3 5 mm jack Supports DVI audio for HDMI to DVI converter Composite 1 or S video 1 Audio Input Analog line in audio input on L R RCA connectors Composite 2 or S video 2 Audio Input Analog line in audio input on L R RCA connectors YPbPr 1 Audio Input Component analog line in audio input on L R RC...

Page 16: ...display OSD is controlled by using the remote control or the bezel buttons on the left side of the TV The TV indicators A and B are located on the front of the TV The TV controls are located on the left side of the TV TV Indicators and Controls MENU Menu displays the onscreen display OSD or closes the OSD menu OK OK starts the Auto Sync function for a connected PC signal In an OSD menu selects the...

Page 17: ...ust a selected item OK Choose the current menu option Aspect Change the image aspect ratio Back Go up one menu level when the OSD is displayed Info Display channel information about your current TV program Volume Turn volume up and down Last Go back to the previous channel Mute Turn the sound on and off Ch Ch Move the channels up and down CC Display the closed caption content Sleep Display the sle...

Page 18: ...ENT 1 SPEAKER R AUDIO 4 IN COMPONENT 2 PB CB L MONO PC DVI AUDIO IN DIGITAL AUDIO OUT L MONO VIDEO OUT AUDIO OUT S VIDEO 1 S VIDEO 2 VIDEO 1 IN VIDEO 2 IN L MONO AUDIO 2 IN AUDIO 1 IN AC IN Y PR CR PR CR Y PB CB L MONO R R COMP 2 AUDIO IN COMPONENT 2 SPEAKER R COMP 1 AUDIO IN COMPONENT 1 PB CB L MONO R RF INPUT RS232 PC HDMI PC DVI AUDIO IN DIGITAL AUDIO OUT L MONO VIDEO OUT AUDIO OUT R R L SPEAKE...

Page 19: ...o HDMI adapter RS232 SW upgrading or RS232 command input port Use for service only Digital Audio Out Connect a digital audio cable for external digital audio system optional RF Input Connect to an air antenna or cable signal source Video Out Audio Out Connect composite video and left right audio output port S video 1 Video 1 Audio1 In S video 2 Video 2 Audio2 In Connect an S video in connector and...

Page 20: ...tness 0 100 Contrast 0 100 Saturation 0 100 Hue 0 100 Sharpness 0 100 Blue Screen On Default Off Color Temp Warm Standard Settings Cold Default H Size 0 100 H Position 0 100 V Size 0 100 V Position 0 100 Phase Adjust 0 100 Clock Adjust 0 100 Auto Sync Button Picture Screen Default Button Volume Balance Sound Mode Voice Music Standard Default User 120Hz 200Hz 500Hz 1200 Hz 3000 Hz 7500 Hz Settings ...

Page 21: ...ST AKST HST Time Zone NST Mode Auto Default Manual Input Date Time YY MM DD HR MIN Date Time AM PM Mode Off Default Once Daily Setting turn on time HR MIN Auto Turn On AM PM Mode Off Default Once Daily Setting turn off time HR MIN Auto Turn Off AM PM Mode Off Default On Setting sleep time 15 Min 30 Min 60 Min 90 Min Sleep Timer 120 Min Daylight Savings On Default Time Daylight Saving Off ...

Page 22: ...p Channel No Channel Information Channel Name Closed Caption Mode On Off Default CC Mode On when Mute Service CC1 Default CC2 CC3 CC4 T1 T2 T3 Analog Caption T4 Service Service 1 Default Service 2 Service 3 Service 4 Service 5 Digital Caption Service 6 Style Style 1 to 8 Default User Default Size Small Large Normal Default Font Font 1 to 8 Default Text Color Gray Black Green Default Text Opacity T...

Page 23: ... Unlock Canadian English Block All 18 14 PG G C8 C All Unlock Parental Ctrl Canadian French Block All 18 ans 16 ans 13 ans 8 ans G All Unlock Select Menu Language English Default Spanish in Spanish characters French in French characters Select OSD Timeout Short Middle Default OSD Long Software Version V X Y Z X Major Y Minor Z Rev Start the setup wizard Yes Setup Wizard No Default Default Settings...

Page 24: ...put Select I N P S x _ _ _ Input terminal number 0 8 It input switches to INPUT0 INPUT8 the sequence is Air Cable CBVBS1 S Video1 CVBS2 S Video2 YPbPr1 YPbPr2 VGA HDMI 0 _ _ _ Movie 1 _ _ _ Vivid 2 _ _ _ Standard AV mode selection A V M D 3 _ _ _ USER Volume V O L M _ Volume 0 100 H Position H P O S _ PC mode 0 100 V Position V P O S _ PC mode 0 100 Clock C L C K _ ONLY PC mode 0 100 Position Phas...

Page 25: ...l 1 to channel 125 is effective Direct Channel Digital D C H D 1 0 135 99 Digital channel number The first two bytes are major number and following two bytes are minor number Major number is in hex mode If major number is less than 0xf the first byte should be 0 CH Up C H U P 0 _ _ _ The channel number of TV 1 If it is not TV display it will input switch to TV same function as CH Channel CH Down C...

Page 26: ...oes not change RF input or Channel map tables between Air and Cable This command has NO Correlation with Ant button in remote Start Auto search A T S H 0 _ _ _ Do Start auto search if current source is TV Need input type Air Cable selection before starting Auto Search Manual search M A S H _ Manually search a certain channel if current source is TV If failed go back to the previous status Digital ...

Page 27: ... AST New definition from HP 1 _ _ _ EST 2 _ _ _ CST 3 _ _ _ MST 4 _ _ _ PST 5 _ _ _ AKST 6 _ _ _ HST Time Zone T M Z N 7 _ _ _ NST 0 _ _ _ Off 1 _ _ _ On but once Set auto on mode S A O M 2 _ _ _ On daily Set auto on time S A O N Auto on time hour 00 23 minute 00 59 If hour is less then 10 the first byte should be 0 0 _ _ _ Off 1 _ _ _ On but once Set auto off mode S A F M 2 _ _ _ On daily Set aut...

Page 28: ...rvice 2 3 _ _ _ Service 3 4 _ _ _ Service 4 5 _ _ _ Service 5 6 _ _ _ Service 6 0 _ _ _ English 1 _ _ _ French Select OSD language S O L G 2 _ _ _ Spanish 0 _ _ _ Off All screen white mode S R W M 1 _ _ _ On This helps to erase remnants of long time still image on plasma screen 0 _ _ _ Slow Boot mode New definition from HP Standby mode S B M D 1 _ _ _ Fast Boot mode New definition from HP ...

Page 29: ...ce service center PC windows system service center portable for in home Check After Service 1 If panel module or PSU Board is replaced make sure the power jumper is set at 30V PL4260N PSU Board on Panel PL5060N PSU Board on Panel 2 Make sure all the mechanical parts such as screws are replaced properly 3 Verify that the peripherals of the serviced points have not undergone any deterioration during...

Page 30: ...nd Audio Board Separating the Main Board and the Tuner and Audio Board Removing Speaker Connector Board Removing the Back Handles and Back Cover Removing the Bridge of the Signal Board Signal Board Support and I O Board Removing the IR Board and Key Board Removing the Conductive Gaskets Removing the PDP Module Removing the Crossbeams and Washers Servicing the PDP Panel Module Removing the Speaker ...

Page 31: ...5 Removing the TV Pedestal To disassemble the TV 1 Carefully place the TV with the glass screen facing downward on a padded stable table 2 Position the bottom of the TV near the edge of the table 3 Loosen the four screws 4 Slide the pedestal off the TV base posts ...

Page 32: ... Service Manual PL4260N PL5060N Removing the Small Back Cover Loosen the 14 screws around the small back cover in the center of the larger back cover and then remove it Removing the I O Panel Loosen the seven screws on the I O panel ...

Page 33: ...n Board and the Tuner and Audio Board Loosen the four screws on the Main Board and four screws on the Tuner and Audio Board Main Board Tuner and Audio Board Main Board Tuner and Audio Board PL4260N PL5060N Pull out the Main Board and Tuner and Audio Board together with both hands ...

Page 34: ...ting the Main Board and the Tuner and Audio Board Remove the ribbon cable off of each side of the two boards to separate them NOTE PCI Slot is not included Removing the Speaker Connector Board Loosen the four screws and pull out the left and right Speaker Connector Board ...

Page 35: ...al PL4260N PL5060N 29 Removing the Back Handles and Back Cover Loosen the four screws on the handles and then pull the handles backward Loosen the screws 28 for PL4260N 36 for PL5060N on the large back cover and then remove it PL4260N PL5060N ...

Page 36: ...ard After removing the eight screws remove the bridge of the signal board the signal board support and the I O Board Removing the IR Board and Key Board Loosen the two screws on LED and IR Board and the two screws on the Keypad Board PL4260N Diag LED and IR Board PL5060N Diag LED and IR Board PL4260N Keypad Board PL5060N Keypad Board ...

Page 37: ...the Keypad Board LED and IR Board Keypad Board Removing the Conductive Gaskets Remove conductive gaskets four for PL4260N eight for PL5060N PL4260N Conductive Gaskets PL5060N Conductive Gaskets Loosen the screws eight for PL4260N 16 for PL5060N shown in the following illustration PL4260N PL5060N ...

Page 38: ...DP module unit backward from the cabinet unit NOTE The PDP module is very heavy always use two people to lift the PDP module PL4260N PL5060N Removing the Crossbeams and Washers Remove the screws four for PL4260N and eight for PL5060N from the two crossbeams and remove the crossbeams PL4260N PL5060N ...

Page 39: ...emove the four washers pasted on the PDP panel PL4260N Remove the eight screws and remove the four supports from the PDP panel PL5060N PL4260N PL5060N Servicing the PDP Panel Module For information about servicing the Panel Module refer to Appendix A and Appendix B ...

Page 40: ...ess the Menu button and select User OSD Menu 3 Select Audio Settings and then Balance 4 Use the numeric keypad on the remote control to enter 9 1 8 OK in sequence The Factory OSD should be displayed NOTE If necessary re enter the number keys and then press OK on the remote control Exiting the OSD Menu To exit from the Factory OSD menu use the numeric keypad on the remote control and enter 9 1 8 9 ...

Page 41: ...tions RCut 8 Red color cut RDrv 264 Red color drive GRut 4 Green color cut GDrv 273 Green color drive BCut 0 Blue color cut BDrv 256 Blue color drive Cold TMP Cold color temperature Warm TMP Warm color temperature Auto White Balance Auto White Balance adjusting Video Setting Each source has a separate video setting The sources are Video DTV VGA YPbPr and HDMI Each can be adjusted in factory OSD Me...

Page 42: ...o Source To enter the Video Source video setting change Source to Antenna NTSC S VID VID1 or S VID VID2 enter Service OSD and adjust the setting if needed Setting Item Sub item Default Description White Balance Video Mode STD Bri 50 Standard mode brightness Video Setting DTV Mode STD Crt 50 Standard mode contrast Audio Setting VGA Mode STD Color 50 Standard mode saturation Factory INI YPbPr Mode S...

Page 43: ...p Mid 15 Vivid Hue 0 Vivid mode hue Hue Mid 0 Vivid Sharp 40 Vivid mode sharp Bri Min 32 Ctr Min 16 Color Min 0 Sharp Min 0 Hue Min 96 VGA Source To enter the VGA Source video setting change source to VGA enter Service OSD and then adjust the setting if needed Setting Item Default Sub item Default Description White Balance Video Mode STD Bri 50 Standard mode brightness Video Setting DTV Mode STD C...

Page 44: ...ation Sharp Mid 15 Vivid Hue 0 Vivid mode hue Hue Mid 0 Vivid Sharp 40 Vivid mode sharp Bri Min 32 Ctr Min 16 Color Min 0 Sharp Min 0 Hue Min 96 HDMI Source To enter the HDMI Source video setting change source to HDMI and then enter Service Mode following 5 1 1 Setting Item Default Sub item Default Description White Balance Video Mode STD Bri 50 Standard mode brightness Video Setting DTV Mode STD ...

Page 45: ...Max Volume 127 Standard 200 Hz 48 Audio Setting 80 Volume 107 Standard 500 Hz 48 Factory INI Mid Volume 102 Standard 1K2Hz 48 Factory Options 20 Volume 97 Standard 3KHz 50 Min Volume 50 Standard 7K5Hz 75 Standard 12KHz 76 Music 120 kHz 68 Music 200 Hz 50 Music 500 Hz 40 Music 1K2Hz 40 Music 3 kHz 58 Music 7K5Hz 78 Music 12 kHz 80 Voice 120 kHz 30 Voice 200 Hz 45 Voice 500 Hz 58 Voice 1 K2Hz 55 Voi...

Page 46: ...ion V1 1 8 February 21 2006 Factory INI Factory Options Test Paten Highlight Test Paten by pressing the Right arrow then press the Right arrow repeatedly the screen will turn to White Black Red Green Blue in turn then return to current service OSD The software version is not changeable Setting Item Default White Balance Test Paten Video Setting TOFAC M Audio Setting Software Version V1 1 8 Februar...

Page 47: ...41 Remote Control Troubleshooting Remote control does not work Change battery Try another remote Check IR receiver Change LED IR board Change LED IR cable Replace main board Replace battery Replace remote control OK Replace LED IR cable YES YES NO YES NO YES NO ...

Page 48: ...ervice Manual PL4260N PL5060N Function Key The buttons do not work Check switches Check key board Check the key board cable Change the key board cable Replace the main board Replace tact switch Replace key board OK YES YES NO YES NO NO ...

Page 49: ...e is live YES NO Check the power cord Replace the power cord Only one works Replace the main board Try to power on with the remote control and power button Neither works Check replace failed one Both work Power on again OK YES NO Replace PSU YES NO Red Always purple Blue OSD avai lable NO Replace the main board Replace main board NO YES Check the signal Source YES NO YES Replace the panel OK ...

Page 50: ...nual PL4260N PL5060N Audio No sound Check the connecter Check the speaker wire Replace the main board Reconnect Replace the speaker wire YES YES NO NO NO Check the speaker set Replace the speaker set YES NO Replace the tuner audio board OK YES ...

Page 51: ...ition Plasma TV Service Manual PL4260N PL5060N 45 VGA Input No picture on the screen Check if PC is working Check VGA connect Check VGA cable Replace the main board Check PC OK Replace VGA cable NO YES YES YES NO NO ...

Page 52: ...ma TV Service Manual PL4260N PL5060N HDMI Input No picture on the screen Check if HDMI source works Check HDMI connection Check HDMI cable Replace the main board Check HDMI source Reconnect Replace HDMI cable NO YES NO YES NO NO ...

Page 53: ... No picture on the screen Check if PC is working Check DVI connection Check DVI to HDMI adapter Replace the main board Check PC Reconnect Replace adapter NO YES YES NO NO YES Check the HDMI cable Check the DVI cable Replace the HDMI cable Replace the DVI cable YES YES NO NO ...

Page 54: ... Service Manual PL4260N PL5060N YPbPr Input No picture on the screen Check the Source is it working Check connect Check wires green blue red Replace the main board Check the Source device Reconnect Replace wires NO YES YES NO YES NO ...

Page 55: ...060N 49 TV Video S video Input No picture on the screen Check if the Source is working Check connect Check cable Replace the main board Check signal source Reconnect Replace cable NO YES YES NO YES NO Check tuner audio board Replace tuner audio board YES NO ...

Page 56: ...c means the operation must happen after the back cover of TV is removed Item Picture Normal operation LED status Power switch and LED indicator Description Remarks 1 When the power cord is plugged in the red LED indicator should be lit 2 When the set is turned on via the remote control or the power switch on the left of set the red LED and blue LED should be lit and amethyst indicator during initi...

Page 57: ...te control if log displays go to step 5 2 Open the back cover 3 Check whether the 5V power has been supplied to pin 3 of CON23 on MB 4 Check whether the 5V power has been supplied to pin 3 of J21 on MB 5 Open the rear cover 6 Check the connections of the J21 on MB and XPR01 on IB 7 Check whether the 5V power has been supplied to pin 4 of XPR01 on IB 8 Replace the IB if there is power on XPR01 Othe...

Page 58: ...er the 5V power has been supplied to pin 5 of XPR01 on IB 5 Replace the IB if there is power on XPR01 otherwise replace the IR cable If the blue LED cannot light up the red LED should light during power on and initializing Failure type Picture Normal operation OSD picture Description Remarks There is picture or OSD on screen when TV is normal and the blue LED is lit And OSD will display on screen ...

Page 59: ...eplace the MB Failure type Picture The amethyst LED is lit and log hang on screen Log The purple LED is lit Description Remarks 1 Open the back cover 2 Update the new software and try again 3 Check whether the pin 2 3 of CON16 is 3 3V 4 Replace the TB and try again 5 Replace the MB Item Picture Normal operation source picture Description Remarks There is picture or OSD on screen when TV is normal ...

Page 60: ... Check whether there is signal input to correctly composite terminal 3 Open the back cover 4 Check power connector XP004 and pin TAB N801 5V TAB N802 2 5V TAB N803 3 3V TAB N804 1 2V TAB N805 9V TAB N806 5V 5 Check whether there is correct signal on pin 13 Y 14 of NH01 on TB 6 Check whether there is correct signal on pin 33 Y 31 of CON28 on MB 7 Check whether there is correct signal on close U9 pi...

Page 61: ...ignal input to RF terminal 3 Open the back cover 4 Check power connector XP004 and pin TAB N801 5V TAB N802 2 5V TAB N803 3 3V TAB N804 1 2V TAB N805 9V TAB N806 5V 5 Check whether there is correct signal on pin 13 Y 14 C of NH01 on TB 6 Check whether there is correct signal on pin 33 Y 31 C of CON28 on MB 7 Check whether there is correct signal on close U9 pin of C88 Y C91 C on MB 8 Replace the M...

Page 62: ...k signal cable 2 Check whether there is signal input to correctly component terminal 3 Open the back cover 4 Check whether there is correct signal on pin 2 Y1 3 Y2 5 Pb1 6 Pb2 11 Pr1 10 Pr2 of U702 on MB 5 Check whether there is correct signal on pin 4 Y 7 Pb 9 Pr of U702 on MB 6 Check whether there is correct signal on close U9 pin of C81 Y C88 Pb C89 Pr on MB 7 Replace the MB if the other steps ...

Page 63: ... Change P Mode to Standard Mode and check signal cable 2 Check whether there is signal input to 15 pins VGA terminal 3 Open the back cover 4 Check whether there is correct signal on pin of R4 R R5 G R8 B on MB 5 Check pin 14 of U2 is 5V 6 Check whether there is correct signal on pin 4 HS 8 VS of U2 on MB 7 Check whether there is correct signal on close U9 pin of C90 R C2 G C87 B on MB 8 Replace th...

Page 64: ...nal cable 2 Check whether there is signal input to HDMI terminal 3 Open the back cover 4 Check whether there is correct signal on pin 3 4 of U60 U61 U62 U64 on MB 5 Check whether pin 89 of U11 voltage is 3 3V 6 Check that the voltage of FB9 FB10 FB11 FB12 and FB39 are 3 3V and voltage of FB40 is 1 8V 7 Check whether there is correct signal on pin of R136 R2212 R2213 according to signal format 8 Re...

Page 65: ...r the voltage of R109 is 0V 6 Check whether there is correct signal on pin 10 TS1_START 11 TS1_VAL 13_ TS1_CLK 15 TS1_D0 of CON28 on MB 7 Check whether there is correct signal on pin 1 2 3 4 of RN26 on BM 8 Check whether there is correct signal on pin that close U9 of R948 R949 R138 R2290 R2291 on BM 9 Replace the MB if the other steps are correct X TAL digital low Analog high Item Picture Normal ...

Page 66: ... cable with terminal on CB 2 Check that the volume is over the 20 level 3 Open the back cover 4 Check the connections of XP601 on TB and XPC91 on CB 5 Check the connections of XP003 on TB and whether 24V power has been supplied to pins of L600 L601 on TB 6 Check whether the voltage of R604 on TB is 5V 7 Check whether there is correct sound signal on pin 52 20 21 NP01 on TB 8 Check whether there is...

Page 67: ... Check that the volume is over the 20 level 4 Open the back cover 5 Check the connections of XP601 on TB and XPC91 on CB 6 Check the connections of XP003 on TB and whether 24V power has been supplied to pins of L600 L601 on TB 7 Check whether the voltage of R604 on TB is 5V 8 Check whether there is correct sound signal on pin 43 L 44 of NP01 for S VID VID1 or pin 40 L 41 of NP01 for S VID VID2 9 C...

Page 68: ...3 and check whether 24V power has been supplied to pins of L600 L601 on TB 7 Check whether the voltage of R604 on TB is 5V 8 Check whether there is correct sound signal on correct pin of U67 on MB according to U67 definition 9 Check whether there is correct sound signal on pin 34 L 35 R 20 21of NP01 on TB 10 Check whether there is correct sound signal on pin 2 4 of XP601 on TB U67 pin definition p...

Page 69: ...evel 3 Open the back cover 4 Check the connections of XP601 on TB and XPC91 on CB 5 Check the connections of XP003 and check whether 24V power has been supplied to pins of L600 L601 on TB 6 Check whether the voltage of R604 on TB is 5V 7 Check whether there is correct sound signal on pin 1 HDMI_SD0 2 HDMI_SCK 3 HDMI_WS 4 HDMI_MCLK of U85 on MB and 5V has been supplied to pin 8 of U85 8 Check wheth...

Page 70: ...on pin 7 LX_I2SCK 5 LX_I2SWS 4 LX_I2SD1 of NP01 on TB 8 Check whether there is correct analog sound signal on pin 20 21 of NP01 on TB 9 Check whether there is correct sound signal on pin 2 4 of XP601 on TB Item Picture Normal operation KEY Description Remarks When power down you can use power switch on the left side of the TV to turn on TV When TV is running normally you can use any key on the lef...

Page 71: ...plied to pin 4 of J21 on MB when the key isn t being pressed 3 Check whether the voltage of pin 4 of J21 is 0V when the key is pressed 4 Check the connections of the J23 on MB and XPR01 on IB 5 Replace the KB Failure type Picture Cannot use any key on the left side of TV And the power switch key is OK Inspection items Remarks 1 Open the back cover 2 Check the connections of J23 on MB and XPK01 on ...

Page 72: ...ce Manual PL4260N PL5060N Failure type Picture Cannot use any key Inspection items Remarks 1 Open the back cover 2 Check whether there is correct voltage is supplied to any pin of R341 on MB when press key 3 Replace the MB R341 for key A D ...

Page 73: ...HP High Definition Plasma TV Service Manual PL4260N PL5060N 67 Boards and Chassis Layout PL4260N PL4260N System Chassis Layout and Overall Wiring Diagrams ...

Page 74: ...N Panel No Description TV 1 Main board TV 2 Tuner Audio Amp board TV 3 Diag LED IR board TV 4 Keypad PCA TV 5 Speaker connector board L R P 1 CTRL B D ASS Y P 2 PSU ASSY P 3 Y SUS B D ASS Y P 4 Z SUS B D ASS Y P 5 Y DRV B D ASS Y P 6 XL B D ASS Y P 7 XR B D ASS Y PL5060N ...

Page 75: ...escription TV 1 Main board TV 2 Tuner Audio Amp board TV 3 Diag LED IR board TV 4 Keypad PCA TV 5 Speaker connector board L R P 1 CTRL B D ASS Y P 2 PSU BD P 3 Y SUS B D ASS Y P 4 Z SUS B D ASS Y P 5 XL B D ASS Y P 6 XC B D ASS Y P 7 XR B D ASS Y P 8 Y DRV TOP B D ASS Y P 9 Y DRV BOTTOM B D ASS Y ...

Page 76: ...GE panel CN801 CON20 FI W31P HF 1554A 3141R TP ROH LVDS signal between main board and panel J23 TJC10 8A ROH Buttons connect key board and main board J21 TJC10 6A ROH Power button IR LED CON15 TJC3 3A ROH I 2 C for HiDTV debug CON16 TJC3 3A ROH I 2 C for other chips debug CON28 PH2 54 2X20P 90 ROH Tuner interface CON7 插座 ph2 54X11 6 2X20P S T ROH IDE slot for SW updating CON47 TJC3 3A ROH Power fo...

Page 77: ...3 STB5V 3 VCC V 3 CH 3 RED 3 SCL 4 GND 4 VOL 4 KEY_R 5 VS_ON 5 VOL 5 VCC 5V_SB 6 C 5VD 6 SRC 6 GND 7 Not connected 7 MENU 8 GND CON20 Pin Symbol Pin Symbol Pin Symbol 1 GND 11 RD1 21 Nc 2 RA1 12 RD1 22 Nc 3 RA1 13 GND 23 Nc 4 RB1 14 GND 24 RE1 5 RB1 15 Nc 25 RE1 6 GND 16 Nc 26 GND 7 RC1 17 Nc 27 DISPEN 3 3V level 8 RC1 18 Nc 28 12 CSDATA 3 3V level 9 RCLK1 19 GND 29 12 C SCLK 3 3V level 10 RCLK1 2...

Page 78: ...ication Description XP002 PH2 54X8 5 2X20P 90 ROH Main board interface XP003 TJC3 4A ROH Power to amplifier XP004 TJC3 9A ROH Power to audio board XP601 TJC3 4A ROH Audio to speaker con boards XP003 XP004 XP601 1 VAMP 24V 1 9V 1 L 2 VAMP 24V 2 9V 2 L 3 GND 3 GND 3 R 4 GND 4 5V 4 R 5 5V 6 5V 7 8 9 GND ...

Page 79: ...Location Specification XPR01 TJC10 6AW ROH 1 IR 2 BLUE 3 RED 4 KEY 5 5V 6 GND Keypad Board Location Specification XPR01 TJCZH 8PW ROH 1 Enter 2 CH 3 CH 4 VOL 5 VOL 6 Source 7 Menu 8 GND Speaker Connector Board left and right Location Specification XPC91 TJC3 2A ROH 1 GND 2 Audio L R ...

Page 80: ... supply to Main BD TJC3 12Y EI 400 ROH Main BD CON22 PSU CN803 3 Power supply for amplifier TJC3 4Y EI 200 ROH Tuner BD XP003 PSU CN802 4 5V 9V Power supply to Tuner BD TJC3 9Y EI 400 ROH Tuner XP004 PSU CN804 5 Audio output R L TJC3H 4Y 250 750 P ROH Tuner BD XP601 Speaker Con BD XPC91 6 Buttons TJC10 8Y ZH 800 P ROH Main BD J23 Key BD XPK01 7 LED IR TJC10T 6Y 900 P ROH Main BD J21 IR LED BD XPR0...

Page 81: ...to Main BD TJC3 12Y EI 400 ROH Main BD CON22 PSU P803 3 Power supply for amplifier TJC3 4Y EI 200 ROH Tuner BD XP003 PSU P802 4 5V 9V Power supply to Tuner BD TJC3 9Y EI 400 ROH Tuner XP004 PSU P804 5 Audio output R L TJC3H 4Y 250 750 P ROH Tuner BD XP601 Speaker Con BD XPC91 6 Buttons TJC10 8Y ZH 800 P ROH Main BD J23 Key BD XPK01 7 LED IR TJC10T 6Y 900 P ROH Main BD J21 IR LED BD XPR01 8 LVDS si...

Page 82: ...76 HP High Definition Plasma TV Service Manual PL4260N PL5060N Panel Module Diagram 42 ...

Page 83: ...HP High Definition Plasma TV Service Manual PL4260N PL5060N 77 Ties and clamps PL4260N A PL4260N B PL5060N ...

Page 84: ...PE 1032747 HS 10 Front Cover Bezel 42 108591 HS 10 Front Cover Bezel 50 108597 HS 11 Fuse Kit 109352 HS 12 Handle bracket 42 1031544 HS 13 Handle bracket 50 1031556 HS 14 Handles Set 2 109357 HS 15 Heat sink pad 1031990 HS 16 I O Panel with AC inlet 42 109362 HS 16 I O Panel with AC inlet 50 109358 HS 17 Keypad PCA with buttons 108880 HS 18 Main Board 42 108781 HS 18 Main Board 50 109609 HS 19 Mod...

Page 85: ...59 HS 37 Screw Kit Service 109351 HS 38 Shield Tape 1029938 HS 39 Speaker Connector Board L R 108881 HS 40 Speaker Set 42 108590 HS 40 Speaker Set 50 108596 HS 41 Stand Support Bracket Set 2 109360 HS 42 Tuner Audio Amp board 108783 HS 43 User s Manual 1031418 HS 44 Wire CLAMPER 109356 HS 45 YSUS Board LGE 42X3 1032298 HS 46 YSUS Board LGE 50X3 1032302 HS 47 ZSUS Board LGE 42X3 1032299 HS 48 ZSUS ...

Page 86: ...TV Service Manual PL4260N PL5060N Picture Reference Number Part Description Picture of Replacement Part 6 Diag LED IR Board 17 Keypad PCA with buttons 39 Speaker Connector Board L R 35 Remote Control 31 Power cord 43 User s Manual ...

Page 87: ...h Definition Plasma TV Service Manual PL4260N PL5060N 81 Picture Reference Number Part Description Picture of Replacement Part 2 Base 37 Screw Kit Service 11 Fuse Kit Photo for reference only 44 Wire Clamper ...

Page 88: ... Plasma TV Service Manual PL4260N PL5060N Picture Reference Number Part Description Picture of Replacement Part 14 Handles Set 2 36 Screw Kit Customer 41 Stand Support Bracket Set 2 1 Back Cover Panel small 15 Heat Sink Pad ...

Page 89: ...Definition Plasma TV Service Manual PL4260N PL5060N 83 Picture Reference Number Part Description Picture of Replacement Part 38 Shield Tape 7 EMI Foam 9 EMI Tape 20 Panel Module LGE 42X3 45 YSUS Board LGE 42X3 ...

Page 90: ...vice Manual PL4260N PL5060N Picture Reference Number Part Description Picture of Replacement Part 47 ZSUS Board LGE 42X3 4 CTRL Board LGE 42X3 32 PSU Board LGE 42X3 24 Panel X Buffer Left 42 26 Panel X Buffer Right 42 28 Panel Y Drive 42 ...

Page 91: ...nual PL4260N PL5060N 85 Picture Reference Number Part Description Picture of Replacement Part 3 Cables Kit Photo for reference only Cable of LGE panel included 8 EMI Glass Filter 19 Model Label 16 I O Panel with AC inlet 22 Panel Spacer 4 42 ...

Page 92: ...tion Plasma TV Service Manual PL4260N PL5060N Picture Reference Number Part Description Picture of Replacement Part 12 Handle bracket 42 40 Speaker Set 10 Front Cover Bezel 34 Rear cover bucket 21 Panel Module LGE 50X3 ...

Page 93: ...e Manual PL4260N PL5060N 87 Picture Reference Number Part Description Picture of Replacement Part 46 YSUS Board LGE 50X3 48 ZSUS Board LGE 50X3 5 CTRL Board LGE 50X3 33 PSU Board LGE 50X3 25 Panel X Buffer Left 50 Heat sink not included ...

Page 94: ...60N PL5060N Picture Reference Number Part Description Picture of Replacement Part 23 Panel X Buffer Center50 Heat sink not included 27 Panel X Buffer Right 50 Heat sink not included 29 Panel Y Drive 50 Bottom 30 Panel Y Drive 50 Top 13 Handle bracket 50 ...

Page 95: ...bes how to update the flash memory with these two methods and related tools IDE Update This method can update the flash memory with an IDE disk Dependency IDE hard disk Bootloader that supports IDE disk updating All PL4260N and PL5060N models have this type of boot loader Preparing the IDE Hard Disk The IDE hard disk must be updated by technical engineers who clearly know how to perform this proce...

Page 96: ...TV and unplug the power cord 2 Take off the back cover not bucket and locate the IDE slot on the Main Board 3 Insert the IDE hard disk into the IDE slot Make sure to insert the disk at the right direction as showed in following photo Connect the power cable of IDE disk to CON47 on the Main Board IDE slot ...

Page 97: ...r cable from the Main Board then take off the IDE card 8 Plug in the power cord The LED should be red indicating standby mode 9 Turn on the TV by pressing Power button Check the software version in the OSD menu by selecting System and then Software Version Make sure it is the right version 10 Replace the back cover RS232 Server With this method the TV system can download the updating data and tool...

Page 98: ...rd 2 Connect the RS232 cable between the RS232 server PC and PL4260N PL5060N 3 Run RS232 server Executable file name sdserver exe on the PC 4 Choose the COM port you are using that is connected to TV system 5 Choose kernel image for RS232 update safe kernel img1 6 Choose updating package update tgz 7 Press the Start server button ...

Page 99: ... in the TV and turn it on by pressing the Power button on remote control or on the TV bezel The Package download starts automatically The Package count increases continually 9 After the download finishes the flash updating begins and the message Begin to update Flash is displayed ...

Page 100: ... the update has finished the message Update flash successful is displayed 11 Disconnect the RS232 cable and reboot the TV set 12 Check the software version in the OSD menu by selecting System and then Software Version Make sure it is the right version The software updating is done ...

Page 101: ...ruction Manual Model PDP 42x3 with SANKEN Power Supply Unit Appendix B LG Electronics PDP Panel Module Service Manual Model PDP 42x3 Appendix C LG Electronics PDP Service Instruction Manual Model PDP 50x3 with SONY Power Supply Unit Appendix D LG Electronics PDP Panel Module Service Manual Model PDP 50x3 Appendices ...

Page 102: ...PDP service instruction manual 2006 LG Electronics co LTD All rights are reserved Written by Choi youn ho LG Electronics PDP division Customer service group Model 42X3 PSU SANKEN Electric ...

Page 103: ...1 Introduction of 42X3 PDP module 3 2 Precautions Contents 3 Check list 4 Basic 5 7 13 5 Trouble shooting 34 The contents which is contained in this manual can be modified without previous notification ...

Page 104: ...ical ability 42X3 take a lead of picture quality compare with LCD by having WXGA resolution and 10000 1 contrast ratio 1 window 1200 Cd peaK 42 PDP with HDD recording Introduction of 42X3 module LG Electronics PDP42X3 Improved point of PDP42X3 module Optimized Structure Single Scan Simple Structure New Asic New Algorism MAG SAG GUC Better Quality Dark room 10000 1 LCD 1600 1 High Contrast New Cell...

Page 105: ...ans assembled state of Panel Glass aluminum plate PCB circuit Glass composed of bonding of two glasses Aluminum plate radiate the heat of panel efficiently And the PCB circuit make PDP display screen Cross section view of PDP panel Introduction of 42X3 module Structure of PDP module PSU ...

Page 106: ... so you can touch circuit after 1 min 3 Drive circuits must be protected from static electricity 4 The PDP module must be Moved by two man 5 Be careful with short circuit of PDP boards when measuring any voltages 6 If the defect was found once do not turn on power for more than 5 min can damage other board also Be sure to read this before service When using handling this PDP module Please pay atte...

Page 107: ...el from package Please put in order from front side Please be careful not to be damaged while transportation Check front side Damaged while transportation PDP module is very sensitive with chemical element especially S Cl moisture These elements can damage seriously on PDP module Please keep modules in standard custody environment The recommended custody condition is 5 30 and pressure 700 1100 Hpa...

Page 108: ...les And 5V Va Vs of PSU Check the signal cables from ctrl b d Check exhaust tip Replace Z b d Check Oscilator of CTRL b d Check TCP and reconnect Replace ctrl b d Replace X b d Check FPC and reconnect Y drv board Replace Y drv b d Replace Y drv b d Replace Y sus b d Y N N N Y Y Y Check Vy Vsc Check the power protection Replace ctrl b d Partly no display Check list ...

Page 109: ...t mal discharge on screen No display What kind of defect Please follow the no display trouble shooting Bar defect appeared Line defect Please follow the mal discharge trouble shooting Please follow bar defect trouble shooting Please follow the line defect trouble shooting N Y N N Y Y Y Check list ...

Page 110: ...ption This is total collection of cables in PDP circuit Va Vs 5V for PDP operation 5V Va supplied for X board Panel FET driving signal to make Z waveform RGB data be transferred to panel FET driving signal to make the Y waveform Purpose Cable No Check list PSU ...

Page 111: ...tom half of screen will not be displayed No display no Z waveform If cable had damaged the display will be abnormal No display no Y waveform The section of the X board where the cable is disconnected will not display the screen When disconnected Cable No or was disconnected Cable had damaged ...

Page 112: ...TCP 2 1 TCP 2 16 Definition of MODULE position Identification label Model Name Bar Code Code 128 Contains the manufacture No Manufacture No The trade name of LG Electronics Manufactured date Year Month The place Origin Model Suffix Back side of module Check list Y FPC Z FPC ...

Page 113: ...12 43 Plasma display panel service instruction Voltage label Attached on back side of module Part No label Attached on board BOARD ASS Y PART NO BOARD NAME BOARD SERIAL NO Check list Vsc Vy Vsetup Vzb ...

Page 114: ... pixels are not light on Low temperature mal discharge Mal discharge 1 line short two color line displays at the same time Regular line display Regular line display 1 line flickering Flickering Line 96 lines 192 lines Bar no display Vertical line Scan IC or connection problem Bar no display Bar no display Horizontal bar Panel or Scan IC 1 or more line Line no display Horizontal line TCP IC 1 line ...

Page 115: ...ut Power supply part Power supply part Signal part Flash ROM Controll signal output SCAN IC FPC FPC Signal part Y_CTRL output Z_CTRL output Power supply part FPC Power supply part 15V Gen Receiving Buffer Receiving Buffer Reset SET_UP SET_DN RAMP DC DC Con Vy Vsc Sustain pulse ER Cap Protection IPM ER CAP Coil Clamp Sustain pulse ER Cap Protection IPM ER CAP Coil Clamp Addresing SW SCAN Transferri...

Page 116: ...veform that operates the panel It do not control the level of the voltage it only control timing of the voltage And also contains data for an additional functions to improve a picture quality Flash rom Voltage regulator D15 8 D16 4 D17 2 D18 1 Temperature indicating diode This diode show us present temperature of the panel The case of left picture the state of temperature is period 7 normal temper...

Page 117: ...ection Use 5V 3 3V 1 8V 2 5V 4 kind of voltage Abnormal display LVDS poor connection Defect display Regular vertical lines MCM No picture Oscilator No display or Partly no display Connector Part Description of defect Defect part MCM Connector Oscilator Partly no display Poor connection standard connection ...

Page 118: ...g for improving picture quality and for Y sustain board make an signal of Y Z FET on off order to generate waveform for PDP operation from R G B each 8bit input control board send picture data to panel through TCP IC Basic 42X3 Y waveform Probe connect point to Osciloscope to check Y wave form SETUP SUSTAIN ...

Page 119: ...5V Va Vs Generates Vsc Vy from Vs and Va by transformer CTRL Board Distribute 5V Va Diagram of Y sustain board IPM generates sustain waveform FET makes waveform Transfer waveform to Y drive board FET switching signal information 2 Y sustain board Basic Voltage flow 5V Va 5V 5V Va Vs ...

Page 120: ... display normal picture for few minutes IPM Fail No display 5V SMT fuse Va Vs fuse ceramic fuse Fuse No display There are many FETs on Y sustain board FET fail Part Description of defect Defect name Major defect IPM fail FET fail fuse Use 5V 3 3V 1 8V 2 5V 4 kind of voltage No display Va Vs 5V No display No display ...

Page 121: ...D X LEFT B D 3 X board Receive LOGIC signal from CONTROL B D and make ADDRESS PULSE generates Address discharge by ON OFF operation and transfer this waveform to TCP 5V and Va Voltage RGB signal from CTRL B D Basic 5V and Va Voltage RGB signal from CTRL B D ...

Page 122: ...mal display Poor connection Attached particle or poor connection both so possible Vertical line similar with IC fail Vertical abnormal display Part Description of defect Defect name Major defect Poor connection Particle inserted Basic Attached particle Poor connection 3 X board ...

Page 123: ...ltage is 5V 175 190 Vs 59 61 Va And for the product safety PSU has protection mode When the PSU itself have some problem or the connected board have short circuit PSU itself cut the power supplying to PDP module since PSU uses high voltage about 390V max please take an extreme care when handling Secondary Primary Fuse AC Inlet ...

Page 124: ... PSU Basic Secondary Primary Micom NEC corporation inc UPD78F9212 on PSU will detect any abnormal input or PDP circuit condition to protect PDP from damage Detected object Overvoltage Undervoltage Voltage rising time Voltage falling time Temperature ...

Page 125: ...y GND Primary GND FET PFC Diode FET Diode 24 or 30V audio Warning Noise Filter or Back Cover NO Touch Thermal camera TEST input AC 265V FETs for switching normally can be the part which causes disorder Please check these FET and diode when no power and power protection ...

Page 126: ...en you need to replace defect PSU Please adjust Va Vs with Voltage label of panel shipment value of Va Vs is like below Vs Voltage Variable Resistor Turn right increase Voltage Turn left decrease Voltage Shipment condition 60V Auto normal mode To turn on without VSC board set the switch as auto mode If the switch set as auto after assembled to TV the TV main power can not be turned off ...

Page 127: ...ay The protection mode is needed to protect circuit to avoid flame of PCB Protection Poor connection FET fail No display No display Part Description of defect Defect name Major defect Poor connection Particle inserted Basic Micom fail No display No display No display ...

Page 128: ...Z sustain board 42X3 Y waveform make SUSTAIN PULSE and ERASE PULSE that generates SUSTAIN discharge in panel by receiving LOGIC signal from CONTROL B D this waveform is supplied to panel through FPC Z Probe connect point to Osciloscope to check Z wave form ...

Page 129: ...rvice instruction Basic Defect display Dark display IPM Fail If the cable was not connected There is no display Cable connection Part Description of defect Defect name Dark display Major defect IPM fail cable connection No display ...

Page 130: ...to panel through SCAN DRIVER IC 2 Supply a wave form that select Horizontal electrode Y SUSTAIN electrode sequentially potential difference is 0V between GND and Vpp of DRIVER IC in SUSTAIN period being generated potential difference between GND and Vpp only in SCAN period In case of 42X3 uses 12 EA DRIVER IC TOP BOTTOM each 6 EA FE 3293F VH GND HVO ...

Page 131: ...panel service instruction Defect display Horizontal bar SCAN IC fail Horizontal line Particle contamined Part Description of defect Defect name Horizontal bar Major defect SCAN IC fail cable connection Horizontal line Basic ...

Page 132: ...ngle sided another is double side These are having pattern on it for Z B D there is no pattern on the circuit even you not connect one of them no problem on screen for connecting a Logic signal between B D and B D There is 0 5mm pitch 50pin type 1mm pitch 30pin type 7 FPC Flexible Printed Circuit 8 FFC Flat Flexible Cable Y drv Z board Basic Common Z sus 768 lines in case of 50 inch ...

Page 133: ... 43 Plasma display panel service instruction Separate the fixed Screw of Z Board Pull out Lock as shown in arrow Condition in Lock part is pulled Pull FPC Connector as shown in arrow FPC Separating Basic ...

Page 134: ...power module 42X3 have one IPM each Y sustain and Z sustain board Differently SUS ER IPM is combined in 42X3 model Role of IPM 1 Generate sustain waveform square wave SUS part 2 Energy recovery function for saving power ER part SUS_DN SUS_DN SUS_UP ER_UP ER_DN Basic ...

Page 135: ...age TCP IC Front side Behind side supply RGB 6bit signal to PANEL by connecting a PAD electrode of PANEL with X b d Major defect Panel electrode particle when pressing IC Defect IC Defect particle between panel and TCP electrode Frame X_B D Front panel TCP Rear panel Connector ...

Page 136: ...operating sound then just replace PSU without checking output voltage PSU protection When you turn on you can hear the sound that relay operates but If the relay make a sound again with stopping supplying voltages it is because of protection mode of PDP Possibility one mal function of PSU itself Possibility two the board which are connected with PSU have short circuit phenomenon ...

Page 137: ...h PCB needs its own power and signal cable to operate When the power and signal was not supplied then it will make no display Check oscillator To operate ASIC circuit need Clock signal If there is no Clock there is no display Probe Touching point Trouble shooting ...

Page 138: ...output voltage Check the Vsetup Vy Vsc whether it is same with voltage label Vsetup voltage only can be measured by osilloscope Trouble shooting Check Vsc voltage Check Vzb voltage Vy vsc Pre setup Set up Set down Y wave form 10 5 Vsetup Vs 10 5 Vsc Vps Check Vy voltage ...

Page 139: ...se replace Y Z board Trouble shooting Confirm exhausting Tip and find Crack with naked eyes to check vacuum state If there is crack replace the module in case of vacuum breakdown module makes a shaking noise because of inside gas ventilation there may be a small crack which could not see with naked eyes And this noise is different from Capacitor noise CRACKED NORMAL ...

Page 140: ...g Reconnect TCP and remove possible particle with airgun or fablic If 1 vertical line can not be solved by this then the defect can not be repaired Attached particle replace X B D and remove possible particle with airgun or fablic Poor connection Right connection Broken connector ...

Page 141: ...IC has failed there can be vertical lines Trouble shooting can not be repaired the vertical line is caused by TCP IC fail or panel particle Root cause of TCP IC fail is ESD Surge Structure of TCP with X ray analyzer After decap with microscope metal particle between the electrode ...

Page 142: ...PC connector like TCP some particle can make horizontal line on screen Check scan IC In case of horizontal bar check the scan IC replace Y drv B D If the horizontal line still remains it is possible that the FPC was damaged or the panel have defect cell insulation Diode value 0 44 0 47 Normal value ...

Page 143: ...service instruction Trouble shooting 4 Mal discharge Mal discharge by board defect Image sticking mal discharge mal discharge in specific gray Non extinguishing mal discharge Caused by Board Caused by Panel Kind of mal discharge ...

Page 144: ...ge In this case replacing the board or updating software can be solution replace Y or Z B D Mal discharge can be made from IPM fail replace Y or Z B D If mal discharge can not be solved by replacing one of Y Z please replace Y Z all at the same time Caused by Board Caused by panel Update the ROM Refer the ROM updating manual Trouble shooting ...

Page 145: ...CE MANUAL CAUTION 1 BEFORE SERVICING THE PDP MODULE READ THE SAFETY PRECAUTIONS IN THIS MANUAL 2 WHEN REPLACEMENT PARTS ARE REQUIRED BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER MODEL PDP42X3 English ...

Page 146: ...regular internal on the whole screen 2 7 Data copy is generated to stripe direction 2 8 The screen has one several vertical line 2 9 The screen has one or several horizontal line 2 10 Lightness of screen is wholly darken though there is input signal pattern 2 11 The screen displays other color partially on full white screen or happens Mis discharge partially on full black screen 2 12 It doesn t di...

Page 147: ...or if the connector is loose do not use the product otherwise this can lead to fire or electric shock 10 If the power connector or the connector of the power cable becomes dirty or dusty wipe it with a dry cloth Otherwise this can lead to fire 11 PDP Module uses a high voltage Max 450V dc Keep the cautions concerning electric shock and do not touch the Device circuitry when handling the PDP Unit A...

Page 148: ...ated values of the electrical specifications are guaranteed within these conditions Always use the product within the range of the recommended operating conditions Otherwise the reliability of the product may be degraded 21 This product has a glass display surface Design your system so that excessive shock and load are not applied to the glass Exercise care that the vent at the corner of the glass...

Page 149: ...ution sentence Warning against high voltage under certain position 6 Fuse Caution sentence The fuse should be replaced with the same type and rating to prevent fire under certain circumstance 2 Safety precautions on Module 1 High Voltage Warning against the danger of electric shock when touching due to dangerous high voltage 2 Hot Surface Warning against the danger of burn when touching due to hig...

Page 150: ...del Name PDP42X3 2 Number of Pixel 1024 H 768 V 1pixel 3 RGB cells 3 Pixel Pitch 900 m H 676 m V 4 Cell Pitch 300 m H 676 m V Base Green Cell 5 Display area 921 6 H 519 2 V 0 5 mm 6 Outline dimension 1005 H 597 V x 61 2 D 1 mm 7 Color arrangement RGB Closed Well type 8 Number of COLRO R 1024 G 1024 B 1024 10 737 400 000 9 Weight 15 3 0 5 Kg Net 113 5 5 Kg 5EA 1BOX 10 Aspect Ratio 16 9 11 Peak Brig...

Page 151: ... D P4 CTRL B D Input Voltage Signal 5V Va Vs 5V Va 5V Va Vs 5V Video Signal No Part No 6871QCH077A 6871QDH117A 6871QYH053A 6871QZH056A 6871QLH059A 6871QRH068A PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y Description CTRL B D ASS Y Y DRV B D ASS Y Y SUS B D ASS Y Z SUS B D ASS Y XL B D ASS Y XR B D ASS Y ...

Page 152: ...12005N 6631Q15003F Part No 1EA 1EA 1EA 2EA EA Note Y B D CTRL B D P 0 5MM 50PIN L180MM AU PLATING X B D CTRL B D P 0 5MM 60PIN L60MM AU 1 25MM PITCH 12PIN L360MM UL1061 28AWG YEON HO 1 5MM PITCH 7PIN L150MM UL1061 26AWG YEON HO SPECIPICATION ...

Page 153: ...English 2 Information of Boards 1 42X3 PDP Module 2 CTRL B D 3 Y SUS B D ...

Page 154: ...4 Z SUS B D 5 Y DRV B D 6 XL XR B D XL XR ...

Page 155: ...English 3 Label Information of Module 1 Identification Label ...

Page 156: ...7 cm 2 5 cm 2 Warning Caution Label High Voltage Hot Surface Mechanical Hazard 3 Safety Approval Label 4 Serial No of Frame 5 Voltage Label Model Name Operational Voltage ...

Page 157: ... Digital pattern or Cross Hatch Pattern which has clear gradation after image can be presented in the black level part of screen 3 Adjustment after Assembling 3 1 Using Tools Conditions of aging are as follows 1 Digital oscilloscope More than 200MHz 2 DVM Digital Multimeter Fluke 187 or similar one 3 Signal generator VG 828 or similar one 4 DC power supply DC power supply for Vs 1 Should be change...

Page 158: ... so that waveform A of Fig 2 be 10 5 3 How to adjust Z SUS Adjustment should be done after setting Vs Va to the set voltage 1 Vzb Z bias voltage adjustment For the Vzb voltage measure and adjust the voltage between the frame GND and Vzbias point Q18 Drain in left side on Z SUS B D Turn the variable resistor of Vzb DD_Pack PS101 on Z SUS B D to set to 100 0 5V Fig 2 Y set up Waveform ...

Page 159: ...e turning on the power of DC power supply 2 The voltage of DC power supply in standard of Module input voltage should be preset as below Vs dc 180V Va dc 60V 5V dc 5V 3 The power of power supply must turned ON OFF by this sequence Module on 5V Va Vs Module off Vs Va 5V 4 Signal generator should be selected with 1024 x 768 mode ...

Page 160: ...D Y B D Z B D is well plugged in 4 Check the connection of X B D Y B D and Z B D to CTRL B D 5 Measure the output wave of X Y Z B D with oscilloscope more than 200MHz and find the trouble of B D by comparing the output wave with below figure Measure Point fo Y B D TP Waveform on Y DRV B D Measure Point fo Z B D TP Bead B28 6 Check the SCAN Y side IC 7 Check the DATA X side TCP IC 8 Replace the CTR...

Page 161: ...f no defects connect the corresponding TCP again 3 If the corresponding Data TCP fails Module should be replaced Screen display form Anything of the 16 Data TCP can be shown beside below pictures 2 4 It is generated Unusual Pattern of Data TCP IC unit 1 If it happens as line shape or dot shape screw the X B D again and if no change replace the X B D 2 In case of case 1 Check the connection of Data...

Page 162: ...6 Regular stripe is generated at regular internal on the whole screen A vertical stripe flash at especial color 1 This is a problem about CTRL B D 2 Replace the CTRL B D Screen Display Form 2 7 Data copy is generated to stripe direction 1 In this case it s due to incorrect marking of scan wave 2 Replace the Y DRV B D or Y B D Screen Display Form one ten of screen The screen display is very good Th...

Page 163: ...1 The screen displays other color partially on full white screen or happens Mis discharge partially on full black screen 1 Check the declination of Y B D set up set down wave 2 Measure each output wave with oscilloscope more than 200MHz and compare the data with below figure data The slope of set_up in B D is VR3 The slope of set_down is VR2 The voltage of Vy and Vscan is respectively PS101 and PS...

Page 164: ... 3 2 FET Ass y Y B D HS2 Damage 1 When Set_Up FET 2nd FFT of HS2 is damaged screen doesn t be shown O Test Point Enlarge after measuring GND Waveform Y DRV B D O Wave format As shown fig 2 2 When Set_Down FET Pass_Top FET 1st 3rd 4th 5th FFT of HS2 is damaged Mis discharge of entire screen is generated O Test Point Enlarge after measuring GND Waveform Y DRV B D O Wave format As shown fig 3 Set up ...

Page 165: ...est Point Enlarge after measuring GND Output ICT on Y DRV B D O Wave format As shown fig 5 3 4 TCP Damage 1 In case of shorting or opening the IC output of TCP it may show one or several vertical lines O Test Point Enlarge after measuring Output TP of GND TCP O Wave format As shown output fig 7 In case of normal wave output when STB signal is generated maintain High output And when STB signal is g...

Page 166: ...doesn t come out 3 5 Crystal CTRL B D X1 Damage 1 When Crystal is damage the screen doesn t be shown O Test Point Enlarge after Measuring 3pin of GND Crystal CTRL B D X1 O Wave format Output wave doesn t come out 2 In case of unusual launch of the Crystal it may blink the screen O Test Point Enlarge after Measuring 3pin of GND Crystal CTRL B D X1 O Wave format As shown fig 10 Fig 10 When Crystal i...

Page 167: ...tical components list of PDP42X3 Model is as below 2 A component of mark is important to keep product s security Therefore in exchanging a component appointed component is necessary used 3 is an abbreviated word which is instead of Safety mark ...

Page 168: ......

Page 169: ...27 2005 09 28 2005 09 28 2005 09 28 Part Number 6871QCH077A 6871QDH117A 6871QYH053A 6871QZH056A 6871QLH059A 6871QRH068A Note Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Board CTRL B D ASSY LVDS Y DRV B D ASSY Y SUS B D ASSY Z SUS B D ASSY X LEFT B D ASSY X RIGHT B D ASSY ...

Page 170: ...H023G 6001QV0007A 6212AB4610A 0ILNR00150A 0ILMRFE001C 6630X60132A Note Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Board Y SUS IPM IC18 Z SUS IPM IC2 Pass TOP Reset heat sink Ass y DDPACK PS101 DDPACK PS102 MCM LGPCMx05A CRYSTAL X1 TCP 80ch scan IC 98PIN CONNECTORYSUS IPM IC18 2 COMP...

Page 171: ...English 3 ROM DATA No 1 Date 2005 05 01 Contents External Type LVDS Initial ROM Data ROM Data Version 50X3ST01B ...

Page 172: ...PDP service instruction manual 2005 LG Electronics co LTD All rights are reserved Written by Choi youn ho LG Electronics PDP division Customer service group Model 50X3 PSU SONY ...

Page 173: ...1 Introduction of 50X3 PDP module 3 2 Precautions Contents 3 Check list 4 Basic 5 7 13 5 Trouble shooting 34 The contents which is contained in this manual can be modified without previous notification ...

Page 174: ... to technical ability 50X3 take a lead of picture quality compare with LCD by having WXGA resolution and 1000 1 contrast ratio 1 window 1000 Cd peaK 50 PDP with HDD recording Introduction of 50X3 module LG Electronics PDP50X3 Improved point of PDP50X3 module Optimized Structure Single Scan Simple Structure New Algorism GCC LCM Better Quality New Asic XTR Waveform High Contrast New Cell Design wide...

Page 175: ...ans assembled state of Panel Glass aluminum plate PCB circuit Glass composed of bonding of two glasses Aluminum plate radiate the heat of panel efficiently And the PCB circuit make PDP display screen Cross section view of PDP panel Introduction of 50X3 module Structure of PDP module PSU ...

Page 176: ... so you can touch circuit after 1 min 3 Drive circuits must be protected from static electricity 4 The PDP module must be Moved by two man 5 Be careful with short circuit of PDP boards when measuring any voltages 6 If the defect was found once do not turn on power for more than 5 min can damage other board also Be sure to read this before service When using handling this PDP module Please pay atte...

Page 177: ...el from package Please put in order from front side Please be careful not to be damaged while transportation Check front side Damaged while transportation PDP module is very sensitive with chemical element especially S Cl moisture These elements can damage seriously on PDP module Please keep modules in standard custody environment The recommended custody condition is 5 30 and pressure 700 1100 Hpa...

Page 178: ...les And 5V Va Vs of PSU Check the signal cables from ctrl b d Check exhaust tip Replace Z b d Check Oscilator of CTRL b d Check TCP and reconnect Replace ctrl b d Replace X b d Check FPC and reconnect Y drv board Replace Y drv b d Replace Y drv b d Replace Y sus b d Y N N N Y Y Y Check Vy Vsc Check the power protection Replace ctrl b d Partly no display Check list ...

Page 179: ...t mal discharge on screen No display What kind of defect Please follow the no display trouble shooting Bar defect appeared Line defect Please follow the mal discharge trouble shooting Please follow bar defect trouble shooting Please follow the line defect trouble shooting N Y N N Y Y Y Check list ...

Page 180: ...P circuit Connecting between Y drive top and bottom Supply waveform on panel for operation FET driving signal to make Z waveform 5V supply Va Vs for Y and Z board 5V 15V for IC and FET driving RGB Video signal FET driving signal to make the Y waveform Supply Va 5V to X B D Purpose Cable No Check list PSU ...

Page 181: ...lay no Z waveform No display no 5 V No display no Va Vs No display CTRL board will not be operated The section of the X board where the cable is disconnected will not show the screen No display no Y waveform The section of the X board where the cable is disconnected will not show the screen When disconnected Cable No or was disconnected was not connected well was not connected Not connected well c...

Page 182: ...short 1 short 2 TCP long2 1 TCP long 2 22 Definition of MODULE position Identification label Model Name Bar Code Code 128 Contains the manufacture No Manufacture No The trade name of LG Electronics Manufactured date Year Month The place Origin Model Suffix Back side of module Check list ...

Page 183: ...12 43 Plasma display panel service instruction Vsc Vy Vsetup Voltage label Attached on back side of module Part No label Attached on board BOARD ASS Y PART NO BOARD NAME BOARD SERIAL NO Vzb Check list ...

Page 184: ... pixels are not light on Low temperature mal discharge Mal discharge 1 line short two color line displays at the same time Regular line display Regular line display 1 line flickering Flickering Line 96 lines 192 lines Bar no display Vertical line Scan IC or connection problem Bar no display Bar no display Horizontal bar Panel or Scan IC 1 or more line Line no display Horizontal line TCP IC 1 line ...

Page 185: ...part X C Power supply part Power supply part Signal part Flash ROM Controll signal output SCAN IC SCAN IC FPC FPC Signal part Signal part Y_CTRL output Z_CTRL output Power supply part FPC Power supply part 15V Gen Receiving Buffer Receiving Buffer Reset SET_UP SET_DN RAMP DC DC Con Vy Vsc Sustain pulse ER Cap Protection IPM ER CAP Coil Clamp Sustain pulse ER Cap Protection IPM ER CAP Coil Clamp Ad...

Page 186: ...contains the data of the waveform that operates the panel It do not control the level of the voltage it only control timing of the voltage And also contains data for an additional functions to improve a picture quality Flash rom Voltage regulator D15 8 D16 4 D17 2 D18 1 Temperature indicating diode Temperature display diode This diode show us present temperature of the panel The case of left pictu...

Page 187: ...ction Use 5V 3 3V 1 8V 2 5V 4 kind of voltage Abnormal display LVDS poor connection Defect display Regular vertical lines MCM No picture Oscillator No display or Partly no display Connector Part Description of defect Defect part MCM Connector Oscilator Partly no display Poor connection standard connection ...

Page 188: ...proving picture quality and for Y sustain board make an signal of Y Z FET on off order to generate waveform for PDP operation from R G B each 8bit input control board send picture data to panel through TCP IC Basic Y 200V 200V 110V V s 80V 110V 50X3 Y waveform Probe connect point to Osciloscope to check Y wave form ...

Page 189: ...s Generates Vsc Vy from Vs and Va by transformer CTRL Board Distribute 5V Va Diagram of Y sustain board IPM generates sustain waveform FET makes waveform Transfer waveform to Y drive board FET switching signal information 2 Y sustain board Basic Voltage flow 5V Va 5V Va 5V Va Vs 5V 5V Va Vs ...

Page 190: ... display normal picture for few minutes IPM Fail No display 5V SMT fuse Va Vs fuse ceramic fuse Fuse No display there is many FETs on Y sustain board FET fail Part Description of defect Defect name Major defect IPM fail FET fail fuse Use 5V 3 3V 1 8V 2 5V 4 kind of voltage No display Va Vs 5V No display No display ...

Page 191: ... LEFT B D X RIGHT B D X RIGHT B D 3 X board Receive LOGIC signal from CONTROL B D and make ADDRESS PULSE generates Address discharge by ON OFF operation and transfer this waveform to TCP 5V and Va Voltage RGB signal from CTRL B D X Center B D X Center B D Basic ...

Page 192: ...mal display Poor connection Attached particle or poor connection both so possible Vertical line similar with IC fail Vertical abnormal display Part Description of defect Defect name Major defect Poor connection Particle inserted Basic Attached particle Poor connection 3 X board ...

Page 193: ...is 5V 175 190 Vs 59 61 Va And for the product safety PSU has protection mode When the PSU itself have some problem or the connected board have short circuit PSU itself cut the power supplying to PDP module since PSU uses high voltage about 390V max please take an extreme care when handling Secondary Primary Fuse AC Inlet Noise Filter ...

Page 194: ...asic MICOM IC205 Secondary Primary Micom NEC corporation inc UPD78F9212 on PSU will detect any abnormal input or PDP circuit condition to protect PDP from damage Detected object Overvoltage Undervoltage Voltage rising time Voltage falling time Temperature ...

Page 195: ...econdary GND Primary GND FET PFC Diode FET Diode 24 or 30V audio Warning Noise Filter or Back Cover NO Touch Thermal camera TEST FETs for switching normally can be the part which causes disorder Please check these FET and diode when no power and power protection ...

Page 196: ...e Turn left decrease Voltage Shipment Condition 60V When you need to replace defect PSU Please adjust Va Vs with Voltage label of panel shipment value of Va Vs is like below ACD Relay On 5Vst_by Auto Normal DET VS On 5VD GND SONY PSU Buyer VSC Interface Between Image board and PSU CN801 Will be more stable ACD Relay On 5Vst_by GND VS On 5VD GND or NC 1 2 3 4 5 6 7 For stability of PSU Pin 7 of VSC...

Page 197: ...ay The protection mode is needed to protect circuit to avoid flame of PCB Protection Poor connection FET fail No display No display Part Description of defect Defect name Major defect Poor connection Particle inserted Basic Micom fail No display No display No display ...

Page 198: ...n board Z 95 V 95V Vs Vs 50X3 Z waveform make SUSTAIN PULSE and ERASE PULSE that generates SUSTAIN discharge in panel by receiving LOGIC signal from CONTROL B D this waveform is supplied to panel through FPC Z Probe connect point to Osciloscope to check Z wave form ...

Page 199: ...rvice instruction Basic Defect display Dark display IPM Fail If the cable was not connected There is no display Cable connection Part Description of defect Defect name Dark display Major defect IPM fail cable connection No display ...

Page 200: ...o panel through SCAN DRIVER IC 2 Supply a wave form that select Horizontal electrode Y SUSTAIN electrode sequentially potential difference is 0V between GND and Vpp of DRIVER IC in SUSTAIN period being generated potential difference between GND and Vpp only in SCAN period In case of 50X3 uses 12 EA DRIVER IC TOP BOTTOM each 6 EA SN 755866 VH GND HVO ...

Page 201: ...truction Defect display Horizontal bar SCAN IC fail If the cable was not connected There is no abnormal Cable connection Part Description of defect Defect name Horizontal bar Major defect SCAN IC fail cable connection Abnormal display Basic ...

Page 202: ...ngle sided another is double side These are having pattern on it for Z B D there is no pattern on the circuit even you not connect one of them no problem on screen for connecting a Logic signal between B D and B D There is 0 5mm pitch 50pin type 1mm pitch 30pin type 7 FPC Flexible Printed Circuit 8 FFC Flat Flexible Cable Y drv Z board Basic Common Z sus 768 lines in case of 50 inch ...

Page 203: ... 43 Plasma display panel service instruction Separate the fixed Screw of Z Board Pull out Lock as shown in arrow Condition in Lock part is pulled Pull FPC Connector as shown in arrow FPC Separating Basic ...

Page 204: ...igent power module There is Two IPM in 50X3 each Y sustain and Z sustain board One is SUS IPM another is ER IPM Role of IPM 1 Generate sustain waveform square wave SUS IPM 2 Energy recovery function for saving power ER IPM SUS_DN SUS_DN SUS_UP ER_UP ER_DN Basic ...

Page 205: ...age TCP IC Front side Behind side supply RGB 6bit signal to PANEL by connecting a PAD electrode of PANEL with X b d Major defect Panel electrode particle when pressing IC Defect IC Defect particle between panel and TCP electrode Frame X_B D Front panel TCP Rear panel Connector ...

Page 206: ...operating sound then just replace PSU without checking output voltage PSU protection When you turn on you can hear the sound that relay operates but If the relay make a sound again with stopping supplying voltages it is because of protection mode of PDP Possibility one mal function of PSU itself Possibility two the board which are connected with PSU have short circuit phenomenon ...

Page 207: ...h PCB needs its own power and signal cable to operate When the power and signal was not supplied then it will make no display Check oscillator To operate ASIC circuit need Clock signal If there is no Clock there is no display Probe Touching point Trouble shooting ...

Page 208: ...ck the Vsetup Vy Vsc whether it is same with voltage label Vsetup voltage only can be measured by osilloscope Trouble shooting Check Vsc voltage Check Vy voltage Vsetup voltage is automatically adjusted when adjusting vsc voltage Vs Vy vsc RAMP Set up Set down Y wave form 10 5 20 5 Vsetup ...

Page 209: ...se replace Y Z board Trouble shooting Confirm exhausting Tip and find Crack with naked eyes to check vacuum state If there is crack replace the module in case of vacuum breakdown module makes a shaking noise because of inside gas ventilation there may be a small crack which could not see with naked eyes And this noise is different from Capacitor noise CRACKED NORMAL ...

Page 210: ...ical line Trouble shooting Reconnect TCP and remove possible particle with airgun or fablic If 1 vertical line can not be solved by this then the defect can not be repaired Attached particle replace X B D and remove possible particle with airgun or fablic ...

Page 211: ...IC has failed there can be vertical lines Trouble shooting can not be repaired the vertical line is caused by TCP IC fail or panel particle Root cause of TCP IC fail is ESD Surge Structure of TCP with X ray analyzer After decap with microscope metal particle between the electrode ...

Page 212: ...e reconnect the FPC connector like TCP some particle can make horizontal line on screen Check scan IC In case of horizontal bar check the scan IC replace Y drv B D If the horizontal line still remains it is possible that the FPC was damaged or the panel have defect cell insulation ...

Page 213: ...service instruction Trouble shooting 4 Mal discharge Mal discharge by board defect Image sticking mal discharge mal discharge in specific gray Non extinguishing mal discharge Caused by Board Caused by Panel Kind of mal discharge ...

Page 214: ...ge In this case replacing the board or updating software can be solution replace Y or Z B D Mal discharge can be made from IPM fail replace Y or Z B D If mal discharge can not be solved by replacing one of Y Z please replace Y Z all at the same time Caused by Board Caused by panel Update the ROM Refer the ROM updating manual Trouble shooting ...

Page 215: ...ERVICE MANUAL CAUTION 1 BEFORE SERVICING THE PDP MODULE READ THE SAFETY PRECAUTIONS IN THIS MANUAL 2 WHEN REPLACEMENT PARTS ARE REQUIRED BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER MODEL PDP50X3 ...

Page 216: ...tion 2 8 The screen has one several vertical line 2 9 The screen has one or several horizontal line 2 10 Lightness of screen is wholly darken though there is input signal pattern 2 11 The screen displays other color partially on full white screen or happens Mis discharge partially on full black screen 2 12 It doesn t display a specified brightness at specified color 3 Checking for component damage...

Page 217: ...do not use the product otherwise this can lead to fire or electric shock 10 If the power connector or the connector of the power cable becomes dirty or dusty wipe it with a dry cloth Otherwise this can lead to fire 11 PDP Module uses a high voltage Max 450V dc Keep the cautions concerning electric shock and do not touch the Device circuitry when handling the PDP Unit And because the capacitor of t...

Page 218: ...temperature The absolute maximum ratings specify the limits of these stresses 20 The recommended operating conditions are conditions in which the normal operation of this product is guaranteed All the rated values of the electrical specifications are guaranteed within these conditions Always use the product within the range of the recommended operating conditions Otherwise the reliability of the p...

Page 219: ...rcumstance 5 Caution sentence Careful touching before inspection 6 Fuse Caution sentence The fuse should be replaced with the same type and rating to prevent fire under certain circumstance 2 Safety precautions on Module 1 High Voltage Warning against the danger of electric shock when touching due to dangerous high voltage 2 Hot Surface Warning against the danger of burn when touching due to high ...

Page 220: ... 3 RGB cells 3 Pixel Pitch 810 m H 810 m V 4 Cell Pitch 270 m H 810 m V Base Green Cell 5 Display area 1106 5 H 622 1 V 0 5 mm 6 Outline dimension 1190 H 700 V x 58 D 1 mm 7 Color arrangement RGB Closed Well type 8 Number of COLRO R 1024 G 1024 B 1024 10 737 000 000 9 Weight 22 0 0 5 Kg Net 127 5 Kg 5EA 1BOX 10 Aspect Ratio 16 9 11 Peak Brightness Typical 1000cd 1 White Window Typical 90 1 Light r...

Page 221: ... 5V Video Signal 1 Formation of Module No Part No 6871QCH059A 6871QDH088A 6871QDH089A 6871QYH039A 6871QZH044A 6871QLH049A 6871QXH030A 6871QRH057A PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y Description LVDS CTRL B D ASS Y Y DRV UPPER B D ASS Y Y DRV LOWER B D ASS Y Y SUS B D ASS Y Z SUS B D ASS Y X LEFT B D ASS Y X CENTER B D ASS ...

Page 222: ...C NON GROUND SHIELD TYPE LG CABLE 60PIN 0 5MM PITCH 100MM X B D CTRL B D P 0 5MM 60PIN 530MM LG CABLE SUS CONNECTOR FINE ALTEC NON NONE FOR V7 SHORT 1 25MM 12PIN L50MM UL1061 28AWG YEON HO 1 25MM PITCH L40MM UL1061 28AWG TAPPING 1 5MM PITCH 7PIN L90MM UL1061 26AWG YEON HO 1 5MM PITCH 7PIN L340MM UL1061 24AWG 1 5MM PITCH 7PIN L130MM UL1061 26AWG YEON HO 1 25MM L520MM UL1061 28AWG YEON HO 2 0MM 8PIN...

Page 223: ...English 2 CTRL B D 3 YSUS B D 2 Information of Boards 1 50X3 PDP Module ...

Page 224: ...4 ZSUS B D 5 YDRV TOP BTM B D 6 XL XC XR B D ...

Page 225: ...English 3 Label Information of Module 1 Identification Label 2 Warning Label High Voltage ...

Page 226: ...3 Warning Label Hot Surface 4 Caution Label Mechanical Hazard 5 Safety Approval Label 6 Serial No of Frame 7 Voltage Label Model Name Operational Voltage ...

Page 227: ...y The Digital pattern or Cross Hatch Pattern which has clear gradation after image can be presented in the black level part of screen 3 Adjustment after Assembling 3 1 Using Tools Conditions of aging are as follows 1 Digital oscilloscope More than 200MHz 2 DVM Digital Multimeter Fluke 187 or similar one 3 Signal generator VG 828 or similar one 4 DC power supply DC power supply for Vs 1 Should be c...

Page 228: ... on Y SUS B D so that waveform C of Fig 2 be 10 5 3 How to adjust ZSUS Adjustment should be done after setting Vs Va to the set voltage 1 Vzb Z bias voltage adjustment For Vzb voltage measure and adjust the voltage by applying each of terminal and terminal in DMM to the both terminals in R111 Turn the variable resistance of VR3 on Z SUS B D to set to 100 0 5V Waveform Voltage Voltage Voltage Vsetu...

Page 229: ...g on the power of DC power supply 2 The voltage of DC power supply in standard of Module input voltage should be preset as below Vs 195V Va 60V 3 The power of power supply must turned on by this sequence Reverse direction When turning off Module on 5V Va Vs Module off Va Vs 5V 4 Signal generator should be selected with 1366 x 768 mode ...

Page 230: ...on of X B D Y B D and Z B D to CTRL B D 5 Measure the output wave of X Y Z B D with oscilloscope more than 200MHz and find the trouble of B D by comparing the output wave with below figure Measure Point fo Y B D TP Bead B1 Measure Point fo Z B D TP Bead B10 6 Check the SCAN Y side IC 7 Check the DATA X side TCP IC 8 Replace the CTRL B D Trouble Shooting A Y B D Output wave 1 FRAME B Y B D Output w...

Page 231: ...English A Z B D Output wave 1 FRAME B Z B D Output wave 1 2 SF A Z B D Output wave 1 FRAME B Z B D Output wave 3 11SF X B D Output wave 1 FRAME X B D Output wave 1 SF X B D Output wave Extension ...

Page 232: ...failure and if no defects connect the corresponding TCP again 3 If the corresponding Data TCP fails Module should be replaced The screen display form Anything of the 22 Data TCP can be shown beside below pictures 2 4 It is generated Unusual Pattern of Data TCP IC unit 1 If it happens as line shape or dot shape screw the X B D again and if no change replace the X B D 2 For case 1 Check the connecti...

Page 233: ... 2 6 Regular stripe is generated at regular internal on the whole screen A vertical stripe flash at especial color 1 This is a problem about CTRL B D 2 Replace the CTRL B D Screen Display Form 2 7 Data copy is generated to stripe direction 1 In this case it s due to incorrect marking of scan wave 2 Replace the Y DRV B D or Y B D Screen Display Form one twelve of screen The screen display is very g...

Page 234: ... the connector of Z B D and CTRL B D 4 Replace the CTRL B D or Z B D 2 11 The screen displays other color partially on full white screen or happens Mis discharge partially on full black screen 1 Check the declination of Y B D set up set down wave 2 Measure each output wave with oscilloscope more than 200MHz and compare the data with below figure data The slope of ramp in B D is VR51 The slope of s...

Page 235: ...arge the after measuring B1 wave of Y B D and B10 wave of Z B D Full White Pattern 3 2 FET Ass y Y B D HS1 HS2 HS3 Damage 1 When Pass Set_Up FET Q10 is damaged screen doesn t be shown O Test Point Enlarge the after measuring GND B1 Y B D O Wave format As shown fig 2 2 When Set_Down FET Pass_Top FET HS1 HS3 is damaged Mis discharge of entire screen is generated O Test Point Enlarge the after measur...

Page 236: ...SCAN IC output by a dust foreign substance it may overlap two horizontal lines on screen O Test Point ICT measurance of GND Y DRV B D output O Wave format As shown fig 6 O Measurance position SCAN section enlarge the after measuring output ICT of Y DRV B D Full White Pattern 3 4 TCP Damage 1 In case of shorting or opening the IC output of TCP it may show one or several vertical lines O Test Point ...

Page 237: ...osition Measuring output 3pin of Crystal X2 100MHz on CTRL B D Full White Pattern 4 Shift breakdown component compatibility consideration 4 1 Scan IC follows in application compatibility of Y DRV Top Bottom B D 1 When B D applicated SN755866 is breakdown you must mutually only replace Top B D and Bottom B D applicated SN755866 2 When IC of B D applicated SN755866 IC is breakdown you must only repl...

Page 238: ...mponents list of PDP50X3 Model is as below 2 A component of mark is important to keep product s security Therefore in exchanging a component appointed component is necessary used 3 is an abbreviated word which is instead of Safety mark S S ...

Page 239: ...English ...

Page 240: ...umber 6871QCH059A 6871QDH088A 6871QDH089A 6871QYH039A 6871QZH044A 6871QLH049A 6871QXH030A 6871QRH057A Note Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Board CTRL B D ASS Y LVDS YDRV UPPERB D ASS Y YDRV LOWER B D ASS Y Y SUS B D ASS Y Z B D ASS Y X LEFT B D ASS Y X CENTER B D ASS Y X RIGHT B D ASS Y ...

Page 241: ...P1033A 4921QF5004A 6871QEH022A 6871QEH023A 6001QX0004A 6212AB4004A 0ILNR00018A Note Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Board YSUSIPM IC201 IC202 ZSUS IPM IC7 IC5 Y Path FET Ass y HS1 DDPACK_D2 PS101 DDPACK_D3 PS102 MCM LGPCMx1224 CRYSTAL X2 TCP 2 COMPONENTS ...

Page 242: ...3 ROM DATA No 1 Date 2005 05 01 Contents External Type LVDS Initial ROM Data ROM Data Version 50X3ST01B ...

Page 243: ......

Page 244: ......

Page 245: ...Part Number 5991 4906 ...

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