PT-44LCX65 PT-52LCX65 PT-61LCX65
Contents
1. Lnd CN semen CT H cage meer Eum BALASTCONTROL aee c paa col _ POWER SUPPLY BLOCK DIAGRAM PT 44L CX65 PT 52LCX65 PT 61LCX65 52 58 VIDEO SIGNAL PATH I BLOCK DIAGRAM 1 2 PT 44LCX65 PT 52LCX65 PT 61LCX65 VIDEO SIGNAL PATH I BLOCK DIAGRAM 2 22. AUDIO SIGNAL PATH BLOCK DIAGRAM PT 44L CX65 PT 52LCX65 PT 61LCX65 56 SYSTEM CONTROL BLOCK DIAGRAM SYSTEM CONTROL BLOCK DIAGRAM PT 44L CX65 PT 52LCX65 PT 61LCX65 57 OPTICAL BLOCK DIAGRAM Blue Light Path gt Green Light Path Red Light Path PROJECTION UNIT NC T POSUER POLARIZER REDUNT 0 TE OPTICAL BLOCK UNIT _ gt reisen RELAY LENS 1 FULL a Helier GREEN UNT ncmod EE OPTICAL BLOCK DIAGRAM PT 44LCX65 PT 52LCX65 PT 61LCX65 58 9 SCHEMATIC DIAGRAMS 9 1 SCHEMATIC DIAGRAM AND CI
3. 2 I 5 T 1 5 T 5 1 11 5 PROJECTION SECTION PROJECTION SECTION IMPORTANT SAFETY NOTICE COMPONENTS IDENTIFIED BY THE SIGN MESHIANT FOR SAFETY HEPLACHG ANY OF THESE COMPONENTS UC DR NE SPEED PARTS NOTE The Lamp Unt TYLAIOO0 is nt supple as a replacement partis To purchase a te Panasonic accessory department T 1 I 1 5 T 5 1 7 11 6 TV UNIT SECTION TV UNIT SECTION IMPORTANT SAFETY NOTICE COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY WHEN REPLACING ANY OF THESE COMPONENTS USE ONLY THE SPECIFIED PARTS 11 7 PACKING PARTS AND ACCESSORIES SECTION PACKING PARTS AND ACCESSORIES SECTION ROTE S The sed Remota Control Unit Paf No 108 replacement part is avalal as a completa assembly urt ony Do not to he Corti Utt 5 1 7 T 5 T 5 1 76 12 REPLACEMENT PARTS LIST BEFORE REPLACING PARTS READ THE FOLLOWING replacement part is available as a complele assembly unit only Do try to disassemble the Infrared Remote Control Unit 12 1 REPLACEMENT NOTES 12 1 1 General Notes 12 1 3 Electrical Replacement Notes 1 Unless otherwise specified 1 Use only original replacement parts All resistors are in 1 000 0 1 000 To ma
4. S c S ca ico LN AP revisa BLOCK DIAGRAM PT 44L CX65 PT 52LCX65 PT 61LCX65 51
5. 1 4 5 Tommismm Front View 2 Hold the sheet portions of the Mirror and insert the Mirror from the top into the Back Cover slots carefully When handling the Mirror do not touch the Mirror surface 3 Install the 3 Mirror Holder H and the 2 Mirror Holder V Unit on the Mirror and tighten the 10 Screws 401 39 1 2 1 Disconnect Connector 7 REMOVAL OF THE OPERATION C B A FROM THE CABINET Remove the Display and the Front Cover Unit Refer to Step 1 2 in REMOVAL OF THE BASE BODY UNIT 01 2 Remove the Operation Holder Unit with the Operation by removing the 2 Screws 401 3 Remove the Operation by removing the 2 Screws 421 P6701 Operation Holder Unit 9 B 0 Operation C B A Fig 07 40 6 ADJUSTMENT PROCEDURES 1 WHEN REINSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION The following ADJUSTMENT of the Projection Unit must be performed Mechanical Picture Position Adjustment b Focus Adjustment Note Perform this adjustment only necessary Normally it will not be necessary c Electrical Picture Position Adjustment Preparation of ADJUSTMENT 1 Install all parts except the Front Cover Unit and the Optical Cover Projection Unit With Front Cover Unit and Optical Cover removed Front View gt
6. Bosne necs und dst tenperatura ot the pce ot uso may rue te 2 CUR Tat Ny IL Seen at a AN M be blocked The vents are not blocked 4 a aA out Gon Taal Fase Lap serpy 2 Wan in ins Lamp coed ot mna by kame power oe Lap a anes mated Wate Te taro dtc Tesora Can topes tut ren MEE TP Lamp os va ptr EE monte Doe RA Vu over GBA o Base CRAT 5 2 Fae pace he Presion Un 00 Drw CBA She pt 2 EIL cn memor Seran Rs on pas mn Ue Sate an EEA Wathen Unt ns ie CBA WI ODE soe trex arasa oe Ge Fens CIR auam eate maybe dt eal Hl a chal M Tj ossis er one iei 2 SING e Projection Uni SMI NG replace me TV nt Man CBA LAMP DOES NOT LIGHT UP Note
7. ean L PATH I BLOCK DIAGRAM 2 2 PT 44L CX65 PT 52LCX65 PT 61LCX65 54 VIDEO SIGNAL PATH BLOCK DIAGRAM Sat 8 1 RI NIRE NE MEN PATH BLOCK DIAGRAM PT 44L CX65 PT 52LCX65 PT 61LCX65 55 AUDIO SIGNAL PATH BLOCK DIAGRAM 1
8. perse senes ena E ees pus e c WELL coven ES 2 2 eas coven usurum pea p CC peer x eal I v ur posae peer mu 5 56660 SCREEN ANGLE v UNIT 8 5X5C macer CC m E Troes Jer eor E Paser _ _ Jueces 1 17 Er gt com 78 Tart Wane Description Ref artes Part Wana Description Remarks ps peers A ls iserore ps 5505 flow m 0j PASC gt fos EURTGITETS INFRARED RENTE CONTROL UNIT 7 PASET Es js 50095 raw s pasc ira
9. FRONT LEPT 7 PASC fits CUSRION FRCHI RIGHT STYROFORM B zsz Puen FUSE MIRROR HOLDER B Es psuroizo SENSOR HOLDER ez HOLDER VOMIT 3 6 3 PASC _ n emsesorg TAPPING senen STEEL feavarienrax SCREW STEET ps cnzw STEEL e I eeu Res H pervaessuri SCRER STEEL 2 d 752 560307 conr BEI ez 5520533 W PIUS 5 hor 526195 ox A y hor ox 530 power DE CC feso 553155 SACK Lio 305 BOX BOTTOM k nom TUNER mox hec TOP LEFT STYROFOAM 7 PASE 2 7 31 E XX TOP LEFT 7 PASE coven SRITOCR
10. Solder Lead free ORDER NO 0505850 1 Service Manual Multi Media Display PT 44LCX65 PT 52LCX65 PT 61LCX65 ITEM SPECIFICATION 123 SPECIFICATION 123 iGO panels 27 Paso TET LCD Dive method ie Matic 180 Aspect Fatio TET Tin Teese 1135 Na pixels 921 600 1 280 x 720 stipe panels 169 222 2 HO Lamp Discharge Lamp lololol Nicene PICTUS lol mt Dub min 3 SCA Puce ON nt HDMI ype A Comedor Vr puto 2 PCA Pn adis LA Vd coup syne negatie mm RACA Pa Jaik lA dromeance bust 0286 Vp terminated Seen Tsou siy 50 848 64MB 120V6 256V6I 0796 10 Vp pwih green 75 0 uu sae LL RGB HW separata HV composto 120V 60Hz 999 i Hfememy 31 47 kH II Leve Power Power ON Approx 180V When audis at marum lololol VFreguency 5825 285 0 He TTL Level Consumption Power OFF Approx 03W Ps ex
11. 12 2 MECHANICAL REPLACEMENT PARTS LIST Boor COMPARISON CHART OF MODELS 4 13310318 FRONT Jac DOOR NET MODEL _ pr 0744 0851 Jerse CK PT 52LCX65 B _____ ue me em a ese 1 Parts with mark PSEC in the Remarks column are sor coven Cay onec supplied from PSEC roe coven 4 2 Parts with mark PASC NPC in the Remarks column za are supplied from PASC NPC Er env sack normer NI 3 Parts without mark in the Remarks column are supplied Er prr snc ko oss NE MECHANICAL REPLACEMENT PARTS hec Fart No Part Nase t Description ase oov NE eausr UNTE B eese pss so NE TET rows morrow coven 8 CC C37 ho SEER SRE Er 7 lt Er pera lt E iru ee
12. 1 3 LEAKAGE CURRENT HOT CHECK 102 OPERATION THERMISTOR 1 14 UV PRECAUTION THERMISTOR 2 COVER SWITCH 2 PREVENTION OF ELECTROSTATIC DISCHARGE ESD TO 11 EXPLODED VIEWS ELECTROSTATICALLY SENSITIVE ES DEVICES 11 1 MAIN PARTS SECTION 3 ABOUT LEAD FREE SOLDER 112 FRONT AND BASE SECTION 4 SERVICE NOTES 114 DISPLAY SECTION 5 DISASSEMBLY ASSEMBLY PROCEDURES 11 4 SCREEN SECTION 5 1 CABINET SECTION 11 5 PROJECTION SECTION 6 ADJUSTMENT PROCEDURES 1 11 6 TV UNIT SECTION 7 TROUBLESHOOTING HINTS FOR BLOCK LEVEL REPAIR 44 117 PACKING PARTS AND ACCESSORIES SECTION 8 BLOCK DIAGRAMS 12 REPLACEMENT PARTS LIST 9 SCHEMATIC DIAGRAMS 12 1 REPLACEMENT NOTES 9 1 SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT 122 MECHANICAL REPLACEMENT PARTS LIST NOTES 9 2 INTERCONNECTION SCHEMATIC DIAGRAM 9 3 FRONT JACK SCHEMATIC DIAGRAM 94 OPERATION THERMISTOR 1 THERMISTOR 2 COVER SWITCH SCHEMATIC DIAGRAMS 3 9 5 VOLTAGE CHART 10 CIRCUIT BOARD LAYOUT 4 10 1 FRONT JACK 1 SAFETY PRECAUSIONS 1 1 GENERAL GUIDELINES 1 For continued safety no modification of any circuit should be attempted 2 Disconnect AC Plug before disassembling this unit is advisable to use an isolation transformer in the supply before servicing 4 When servicing observe
13. _ XXI 1 7 PASC le 7 PASET ho lo TOP RIGHT STYROFOAN PASE loi STYROFOAM 17 PASE le CC STYROFOAM A 79 12 3 OPTIONAL ACCESSORY 12 4 ELECTRICAL REPLACEMENT REPLACEMENT PARTS LIST PARTS LIST 12 3 1 LAMP UNIT Definition of Parts supplier ML 1 with mark PSEC in the Remarks column are Nod GERA nin supplied from PSEC aano uer gt gt 2 with mark PASC NPC in the Remarks column NOTE are supplied from PASC NPC The Lamp Unit TY LA1000 is not supplied as a 2 without mark in the Remarks column are supplied replacement part It is sold separately To purchase from PSECI replacement call the Panasonic accessory department PRINTED CIRCUIT BOARD ASSEMBLY 12 41 FRONT JACK C B A TRANSISTORS DIODES RESISTORS 901 CHIP 17168 75 3902 lenaswapTsov cure 1 1 75 osos pr 1 19 75 3900 236X gt 101V cure 1 1 100 53
14. Front View Front Cover Unit SN Soe E Rear View Projection Unit Duct 3 Thermistor Cover Switch CBA TemirioBA Air Fiter Thermal Fuse Unit Fan3 Fite lt gt Air Filter LCD Drive Main C 8 Front Jack fe Rear Cover TV Unit amp Digital Tuner CBA SERVICE MODE In this mode the following information can be confirmed on the screen Service Mode 1 3 Current Lamp elapsed time The number of Lamp ON For reference only BKSV number read out Service Mode 2 3 Key detection check Communication check for bus on the Main Total Lamp elapsed time Communication check for bus on the Main C B A EEPROM 6007 version and build version For reference only 106003 software version and build version For reference only Service Mode 3 3 106003 Port information Note 106003 Main Microcontroller on the Main C B A Service Mode Map Ente VOLUME DOWN button TV VIDEO key on tho tron on the remote for more than 5 seconds in power off condition Power ON lt BKSV number Z Service Mode 13 gt CH DOWN key UP key Y lt Service Mode 23 gt CH DOWN keyp UP key Y Serica Mode CH DOWN key Exit Power OFF When turning the power on again after once turning
15. SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY VIHEN REPLACING ANY OF THESE COMPONENTS USE ONLY THE PARTS Pb OPERATION C B A LSEP3156A THERMISTOR 1 C B A LSEP3166A THERMISTOR 2 C B A LSEB3137A COVER SWITCH C B A LSEP3160A PT 44LCX65 PT 52LCX65 PT 61LCX65 11 EXPLODED VIEWS 11 1 MAIN PARTS SECTION 44 52 INCH MAIN PARTS SECTION Net Paris uih i N Model A B DED VIEW aro not supple Be sura to make our arcing io he pars I COMPARISON CHART 6 MODELS MARKS MODEL PrsaLcxes 61 INCH MAIN PARTS SECTION COMPARISON CHART 11 2 FRONT AND BASE SECTION FRONT AND BASE SECTION 11 3 DISPLAY SECTION 44 52 INCH DISPLAY SECTION Model A B i 1 T 2 3 T 4 I 5 I 6 1 61 INCH DISPLAY SECTION Model C COMPARISON CHART OE MODELS amp MARKS MODEL MARK PIAMONSS Precws c 11 4 SCREEN SECTION 44 52 INCH SCREEN SECTION Model A B COMPARISON CHART SP MODELS amp MARKS MODEL MARK A 61 INCH SCREEN SECTION Model C COMPARISON CHART SP MODELS amp MARKS MODEL MARK A
16. 1 Before doing this troubleshooting confirm that all L connector cables in unit are connected to the Plug in the Cord connectors correctly 2 When doing troubleshooting over again be sure to turn the power off and unplug the AC Cord Y Does the Power LED 06701 onthe S Replace the TV unit Power NOJ Relay RL801 on the Power C B A gt NO 1 ESI VETTIUS The Powe LED 700 LED weon tans 1 Base Still NG Check that none of the following Connector cables disconnected Lamp connector 8 connector cable between 1007 on the Power C 8 P1301 on the Ballast Fuse Unit on the Lamy house unit ENG connect the connector cable firmly The Ballast C B A is detective Replace the Ballast 47 No picture or abnormal picture ABNORMAL PICTURE Color Picture Black and White picture i Abnormal Color Picture No Synchronization Picture Check that there is no picture or abnormal picture on the screen input ferminats Dark Pictu Only Video OR 2 is NG Replace the unit Base or Rear Jack Only Videos NG Replace the IV unit Base or Front J
17. NOTE PARTS MARKED ARE NOT USED dem ASCH LINKTO VOLTAGE CHART LSJB3155 FRONT JACK SCHEMATIC DIAGRAM PT 44LCX65 PT 52LCX65 PT 61LCX65 OPERATION THERMISTOR 1 THERMISTOR 2 COVER SWITCH SCHEMATIC DIAGRAMS 9 4 OPERATION SCHEMATIC DIAGRAM NOTE For placing purchase order f the parts bo sure the part number itd in the parts list Do not use the number on this diagram THERMISTOR 1 SCHEMATIC DIAGRAM gt pugnam wocomecno pa men j s hee TUN TUR RID WRIER RID WATER Xa 3 p Po WATER Do vanea CL gt 7 id id RESET RESET stom hem C E THERMISTOR 2 SCHEMATIC DIAGRAM I menm E LSJB3156 221 Dicens LL emo COVER SWITCH SCHEMATIC DIAGRAM E gt pen NA GG Gd TT een sw 2 E LSJB3160 EGER 62 NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION NOTE PARTS MARKED ARE NOT USED IMPORTANT SAFETY NOTICE COMPONENTS IDENTIFIED BY THE SIGN AA HAVE SPECIAL CHARACTERISTICS MPORTANT FOR SAFETY WHEN REPLACING ANY
18. Replace the TV unit Base C B A or Front Jack Only Tuner Only Tuner NG Replace the Digital Tuner Stil NG replace the TV unit Base or Main Only HDMI input is NG Only HDMI input is NG 0 Replace the TV unit Base Main GBA Replace the TV unit Base or Power No sound from built in L CH Speaker only Y Press MENU bution on the remote and select Audi in MENU screen Then press OK i Does the BALANCE screen becomes center position Set o the center position Swap the Speaker Connectors to confirm the Speaker failure YES Replace the Speaker Replace the TV Unit Base or Main GBA No sound from built in R CH Speaker only 1 Press MENU bution on the remote and select Audio in MENU screen Then press OK Y Does the BALANCE screen becomes center position po Set o the center position Swap the Speaker Connectors to confirm the Speaker failure ves Replace the R CH Speaker Replace the IV Unit Base Main GBA 49 50 8 BLOCK DIAGRAMS OVERALL BLOCK DIAGRAM
19. off the power 3 Then install the Optical Cover with the 2 Screws and the Front Cover Unit Mechanical Picture Position Adjustment Tilt 1 Loosen the 4 Screws on the Projection Unit Projection Lens Front View Fig 1 5 2 Adjust the Projection Lens by twisting so that the long line and the long line h are within 4 dots The long line and the long line h will be almost aligned horizontally Focus Screen iang ina iong ine g within 4 dots Note It the Projection Lens is twisted left the Focus Screen twists lett II the Projection Lens is twisted right the Focus Screen twists right 3 Tighten the 4 Screws while fixing the Projection Lens 42 b Focus Adjustment 1 Confirm that each of the pixels in the nine portions is clearly visible Focus Screen 2 If not loosen the Knob on the Projection Lens using pliers until the Knob can be moved Fig Mt 6 3 Adjust the Knob by moving up dawn so that each of the pixels in the nine portions is clearly visible to obtain the best focus 4 Tighten the Knob using pliers Note Focus Adjustment is not normally necessary Perform this adjustment only if necessary c Electrical Picture Position Adjustment 1 Adjust OPT HPOSI so that C is symmetrical to D by pressing the VOLUME UP DOWN key on the remote to change the value 2 Press the CH UP DOWN key on the remote to return to the OTH
20. 043 5 1 Remove the 2 Screws 402 Then pull off the Main with the P C B Main Angle BtoB Connector P3401 is disconnected 2 Remove the Main C B A by removing the 5 Screws 479 4 20 pin Cable Fig 04 4 Replacement Note of Main These parts will be necessary when replacing Set aside and keep and re use 20 Cable 32 6 Remove the Base C B A by removing the 4 Screws 479 then releasing the clampers 69 A Se Sm C B A AR SP LA 3 PT AALCXGS PT 52LCX65 Remove the 2 Screen Angle H Unit and the 2 Screen Angle V Unit by removing the 14 Screws 465 and remove the Fresnel Lens and the Lenticular Screen Screen Unit 7 Lenticular Screen ENS Screen Angle V Unit v Fresnel Escutcheon ee V Angle Unit Serial 2 Label screen Angle H Unit j Angle V Unit Pw M Front gt Serial No Label __ _ Serial No Label gt L of Lenticular of Fresnel Lens 12 Fig 05 3 1 Reassembly Note Install them so that Serial No Labels are on the each outside as shown above Replacement Note for Screen Unit The Screen Unit is supplied as a unit or the individual parts Fresnel Lens Lenticular Screen in the Screen Unit are also supplied Whe
21. 35 Vpp 780 Home 20 805 ron Component Vn Saat ide 299 Hz E s Enid Weight 35 7 bs 2i Bots 048 ena 30 evt meh xat inch Dimensions 1225 gt heh x 353116 neh ouput syre lo 1424 mmx 1029 mm x 8 mm Lol 66 06 nch x meh x 1876 9 This model uses lead free solder Pb lololol 1 PT 44LCX65 2 PT 52LCX65 3 65 Panasonic Designs and specifications are subject to change without notice Weight and dimensions shown are approximate 2005 Panasonic Shikoku Electronics Co Lid MI rights reserved Unauthorized copying and distribution is a violation of law WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death CONTENTS Page 1 SAFETY PRECAUSIONS 1 1 GENERAL GUIDELINES 12 LEAKAGE CURRENT COLD CHECK
22. Alliance lt http www eiae org gt 2 PREVENTION OF ELECTROSTATIC DISCHARGE ESD TO ELECTROSTATICALLY SENSITIVE ES DEVICES Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistorsandsemiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by electro static discharge ESD immediately betore handing semiconductor component or semiconductor equipped assembly drain off any ESD on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging ESD wrist strap whichshould be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an antistatic solder removal device Some solder removal devices not classified as antistatic ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to
23. ELM Err tame Bate rover um o LN I IL mL 0 T rr olo 1 When two or more errors have occurred at the same time the LED will alternate flash patterns as shown above every 5 seconds 2 Warning OSD appears when the air fiter is clogged OFF The LED wil flash immediately after the Lamp comes off 45 How to solve the problem indicated by the Error Indication of LED AII symptom is that Lamp turns off or Lamp does not light up Note Before performing the troubleshooting confirm that all connector cables in the unit are connected to connectors correctly Problem Possible Solution UB Fs raion Vin ove OBA ony Fant Seem Oniy tne sipe Onl the Fane 5 Rapace the Projection Cay he Fa os MM fe san ate am pT ERIS EXIGERE EI mir CSA S BG pc Ca Die CBA s feos ee
24. OF THESE COMPONENTS USE ONLY THE SPECIFIED PARTS LSJB3166 LSJB3137 LINKTO VOLTAGE CHART OPERATION SCHEMATIC DIAGRAM COVER SWITCH SCHEMATIC DIAGRAM THERMISTOR 1 SCHEMATIC DIAGRAM THERMISTOR 2 SCHEMATIC DIAGRAM PT 44LCX65 PT 52LCX65 PT 61LCX65 9 5 VOLTAGE CHART NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION OPERATIONC B A FRONT JACK C B A MM Nor 06701 03901 33 41 33 o 33 32 C 41 26 Teemo 33 33 33 33 166705 03 33 0 970 33 1 9709 33 166710 33 33 166712 33 166713 33 VOLTAGE CHART PT 44LCX65 PT 52LCX65 PT 61LCX65 63 6 10 CIRCUIT BOARD LAYOUT 10 1 FRONT JACK C B A FRONT JACK C B A LSEP3155A COMPONENT SIDE DUAL PATTERNS FOIL SIDE DUAL PATTERNS FRONT JACK LSEP3155A PT 44LCX65 PT 52LCX65 PT 61LCX65 10 2 OPERATION C B A THERMISTOR 1 THERMISTOR 2 COVER SWITCH C B A Tron soene nac o car ovo vcr ores LAYOUT NCLIDESOONPORENT wach ane REFER TOREGNNNG OF SCIT SECTION PLASE REER THE PAGAM MO MAATS ST FOR PEN PANTS CONTENT OPERATION C B A LSEP3156A COVER SWITCH C B A LSEP3160A THERMISTOR 1 C B A LSEP3166A THERMISTOR 2 C B A LSEB3137A IMPORTANT SAFETY NOTICE COMPONENTS DENT ED BY THE SIGN
25. PT S2LCX65 PT 61LCX65 Screws 401 454 0011 6X52LCX65 6I 61LCX65 521 65 IPT G1LCX65 Side Cover R Unit Front Cover Unit Fig 03 2 Note After replacing the Base Body Unit be sure to perform ADJUSTMENT of Projection Unit Refer to WHEN REINSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION 28 REMOVAL OF THE FRONT THE CARD THE REAR JACK THE POWER C B A THE MAIN C B A AND THE BASE C B A FROM THE TV UNIT CAUTION Be sure to make a note of the CURRENT LAMP value value A in Service Mode 1 3 LAMP OPERATION TIME is stored in EEPROM the Main Therefore before removing the Main C B A or the TV Unit at the user s location make a note of the CURRENT LAMP value value A in Service Mode 1 3 Then after installing the new Main or the TV Unit at the user s location set the CURRENT LAMP value to the original value value A in Service Mode Otherwise OSD and LED Lamp replacement indications will be displayed at the wrong time Note In case it is impossible to make a note of the CURRENT LAMP value because of a defective Main C B A ask the customer their daily average use and the approximate age of the current Lamp Then calculate the CURRENT LAMP value as follows and make a note average use Approx age CURRENT LAMP hours days 1
26. damage ES devices 6 00 not remove a replacement ES device from its protective package until immediately before you are ready to install 1 Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparableconductivematerial 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions S Minimize bodily motions when handing unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity ESD sufficientto damage an ES device 3 ABOUT LEAD FREE SOLDER Distinction of PbF PCB PCBs manufactured using lead free solder will have a PbF printing on the PCB Please refer to figures M1248 MIWTFSS 55 1 5 2063 Printed case CAUTION Pb free solder has a higher melting point than standard solder Typically the melting point is 50 F 70 F 30 C 40 C higher Please use a soldering iron with temperature control and adjust it to 700 20 F 370 10 C case of using high temperature soldering iron please be carefull not
27. off wait for approx 10 seconds Or the unit can not be released from Service Mode Fig 1 1 BEFORE REMOVING THE MAIN OR THE TV UNIT FROM THE UNIT AT THE USE S LOCATION Note The TV Unit includes the Main C B A CAUTION Be sure to WHEN REINSTALLING THE MAIN OR THE TV UNIT INTO THE UNIT AT THE USER S LOCATION CAUTION 1 Set CURRENT LAMP value to original value as follows 1 Select CURRENT LAMP in Service Mode 1 3 2 Press the VOLUME UP DOWN key on the remote to change to the original value value A that was noted before removing the Main or the TV Unit at the user s location SERVICE Mode 175 CURRENT LAMP 200084 Sb nisP ON 48 76 cA FB SERVICE Mode 173 CURRENT LAMP 20005 XNalue A osn prse ON IM LON COUNT 153 85 Service Mode 1 3 gt Fig 2 LAMP OPERATION TIME is stored in EEPROM on the Main C B A Therefore before removing the Main C B A or the TV Unit at the user s location make a note of the CURRENT LAMP value value A in Service Mode 1 3 Then after installing the new Main C B A or the TV Unit at the user s location set the CURRENT LAMP value to the original value value A in Service Mode Otherwise OSD and LED Lamp replacement indications Will be displayed at the wrong time Service Mode 1 3 gt Fig 3 Note In case it is impossible to
28. the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit 5 After servicing see to it that all the protective devices such as insulation barriers insulation papers shield and isolation R C combinations etc are properly installed G Afler servicing be sure to restore the wires leads insulation bartiers shields etc 7 After servicing make the leakage current checks to prevent the customer from being exposed to shock hazards Caution Use a separate Isolation Transformer for this unit when servicing 1 2 LEAKAGE CURRENT COLD CHECK 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 For physically operated power switches turn power on Otherwise skip step 2 3 Measure the resistance value with an ohmmeter between the jumpered plug and each exposed metallic cabinet part on the receiver such as screwheads connectors etc When the exposed metallic part has a return path to the chassis the reading should be between 1 and 12 When the exposed metal does not have a return path to the chassis the reading must be infinity 1 3 LEAKAGE CURRENT HOT CHECK 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect to exposed metallic part on the set And connect B to good earth ground as shown in Figure 1 3 Use an voltmeter with
29. to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 All products with the printed circuit board with PbF stamp or printing must be serviced with lead free solder When soldering or unsoldering completely remove of the solder from the pins or solder area be sure to heat the soldering points with the lead free solder until it melts sufficiently Recommendations Recommended lead free solder composition is 5196 5 Ag3 0 Cu0 5 4 SERVICE NOTES LED INDICATIONS FOR ERROR CONDITION Each LED indication facilitates finding the cause of the error When an error is detected the Lamp comes off and the LED on the front will flash POWER LED TEMP LED LAMP LED oea POWERLED 77 oso Fn anor Fos speed o E Ur EEA C C ioral apa m 5 Sj o aan Err ir cay EUN 5 0 a 0 EN Er 0 pom olo Nd 1 When two or more errors have occurred at the same time the LED will alternate flash patterns as shown above every 5 seconds 2 Warning OSD appears when the air filter is clogged 3 LAMP OFF The LED will flash immediately after the Lamp comes MAIN PARTS LOCATION
30. 05 MX cure 17188 3906 enzsorvziosv per CHIP 1 198 10 3907 enzsorxseriv cure 1 1 470 3908 enzsorvzosv pucr cure 17168 10 fessos MX cure 1 16 520 enzscexseriv Jor 1 1 Gs enssorvsrsov per cuir 1 198 75 cr CHIP 17168 75 3913 enzsorvyrsov acr cure 1 168 75 ssa 1 Jur L 16 100 80 cAPAGITORS swiroues ssci 42 cous munem 903 880368 0800 mer cure 1 160 0 al X L3904 880368 0800 mer CHIP 1 160 0 Sa sse 124 3 THERMISTOR 1 C B A RESISTORS pao 47208 82811 5 30002 2 1 PIN HEADERS ort tmm eme 1244 THERMISTOR 2 C B A pm RESISTORS ISCELLANEOUS 12 4 2 OPERATION C B A hrao feraren TRANSISTORS gt CC 12 4 5 COVER
31. 1 or more sensitivity to measure the potential across the resistor 4 Check each exposed metallic part and measure the voltage at each point 5 Reverse the AC plug in the AC outlet and repeat each of the above measurements 6 The potential at any point should not exceed 0 25 RMS leakage current tester Simpson Model 228 equivalent may be used to make the hot checks Leakage current must not exceed 1 2 mA In case a measurement is outside of the limits specified there is a possibility of shock hazard the receiver should be repaired and rechecked before itis returned to the customer Hot Check Circuit al 1 5 922 uF 500 0 022 VoLrueTER Figuro 1 14 UV PRECAUTION 1 sure to disconnect the AC Plug when replacing the lamp 2 Since the lamp reaches a very high temperature during its operation wait until it has completely cooled off when replacing the Lamp Unit 3 The lamp emits small amounts of UV Radiation Avoid direct eye contact by covering the Lamp and wearing the UV protective glasses 4 The high pressure lamp involves a risk of explosion Figure 2 This product has a High Intensity Discharge HID lamp that contains a small amount of mercury Disposal of these materials may be regulated in your community due to environmental considerations For disposal or recycling information please contact your local authorities or the Electronics Industries
32. Cable when disconnecting 2 Remove the 5 Screws 401 and the 3 Screws 402 3 Slide and up the Projection Unit with the Ballast C B A by releasing the 4 Guide Tabs Guide Tabs X4 Bottom View of Projection Unit Projection Unit Ballast C B A GND Wire of 20 pin Cabe Slide and 2 Screws 401 and the 5 Screws 402 are for removing the Ballast C B A 4 Reassembly Note When instaling tighten the 3 Screws 401 order Fig D1 2 3 1 Disconnect the Connector P1306 2 Remove the 2 Screws 451 and disconnect the Lamp Connector while releasing the hook 3 Remove the Ballast C B A by releasing the 2 Screws 402 Ballast C B A Fig 01 3 23 4 1 Remove the Top Duct 3 Unit by removing the 4 Screws 421 CAUTION When removing the Screws 421 on the Top Duct 3 Unit plastic dust may be produced Therefore confirm that there is no dust on the Top Duct 3 Unit If there is dust clean the Top Duct Unit with a brush etc Otherwise dust may adhere to the inside of the screen 2 Remove the Lamp from the Projection Unit loosening the Screw Fig 01 4 Note After replacing the Projection Unit be sure to perform ADJUSTMENT of Projection Unit Refer to WHEN REINSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION Replacement Note of Projection Unit These parts will be necessary when replacing Set as
33. ER menu 3 Select OPT VPOSI by pressing CH UP DOWN key on the remote 4 Adjust OPT VPOSI so that A is symmetrical to B by pressing the VOLUME UP DOWN key on the remote to change the value Focus Screen 5 Confirm that all E K L are each almost symmetrical 6 II not adjust the HPOSI and repeat steps 1 6 until the picture is in the correct position 7 Press the CH UP DOWN key on the remote to retum to the OTHER menu 43 7 TROUBLESHOOTING HINTS FOR BLOCK LEVEL REPAIR MAIN PARTS LOCATION Front View SY Operation B A ae Lamp Cover SI Optical Cover N MUN Front Cover Ui 55 MJ Rear View Projection Unit amp Top Duct 3 Thermistor 2 Cover Switch Thermal Ballast Air Main Front Jack C B A A I 2 C Pear Cover Digital tuner GBA SEE Base CBA TV Unit amp Digital Tuner CBA LED INDICATIONS FOR ERROR CONDITION Each LED indication facilitates finding the cause of the error When an error is detected the Lamp comes off and the LED on the front will flash POWER LED TEMP LED LAMP LED Note 2 Nole 3 tree Eror tomaton POWERLED TAPED oso e o A 0 EEA C 3 Boas Err vara apa
34. Fig Mt 1 Note When the rear cover is disassembled the screen can be moved back and forth which could affect the video display vertical position This could also cause the vertical adjust to be at or near its limit Only try the picture position adjustment with the rear cover assembled 2 Tum the power on 3 Press and hold the VOLUME DOWN button on the unit and the RECALL key the remote for more than 5 seconds power on condition The unit will go into Work Mode WORK MODE will appear on the screen Work Fig M1 2 4 1 Then press and hold the VOLUME DOWN button on the unit and the SWAP key on the remote for more than 1 second The unit will into the Factory Adjust Mode FACTORY ADJUST menu will appear OTHER PARTIAL Factory Adjust mode gt Fig M1 3 2 Then press the CH UP DOWN on the remote to select OTHER on menu and press the OK key OTHER menu will appear Factory Adjust Mode OTHER menu 1 1 Fig 1 4 5 Press the VOLUME UP DOWN key on the remote Focus screen will appear Focus Screen To release this mod 1 After completing the ADJUSTMENT press the CH UP DOWN key on the remote to return to the OTHER menu 2 Then press RECALL key twice to retum to Work Mode and press and hold the VOLUME DOWN button on the unit and the RECALL key on the remote for more than 5 seconds Alternatively
35. MARK 6 Definition of Parts supplier praaoxes A with mark PSEC in the Remarks column are supplied from PSEC b Parts with mark PASC NPC in the Remarks column are supplied from PASC NPC c Parts without mark in the Remarks column are supplied from 7 ltem numbers with capital letter E Example E10 E20 in the Ref No column are shown in the exploded views 8 Parts whose Ref Nos are the same are interchangeable as replacement parts Any of these parts may be ordered and used as a replacement 2 5 PT6iLcxes C 12 1 2 Main Parts Replacement Notes 1 Section No of parts shown in Exploded Views are indicated in the Remarks column 2 Abbreviation RTL Retention Time Limited This indicates that the retention time is limited for this item After the discontinuation of this item in production it will no longer be available 3 fter replacing the Projection Unit Ref No 21 or the Base Body Unit Ref No 40 be sure to perform ADJUSTMENT of the Projection Unit Refer to WHEN REINSTALLING THE PROJECTION UNIT OR BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION in ADJUSTMENT PROCEDURES 1 4 The Infrared Remote Control Unit Ref No 109 7
36. RCUIT BOARD LAYOUT NOTES 1 Important safety notice Components identified by the sign have special characteristics important for safety When replacing any of these components Use only the specified parts 2 Do not use the part number shown on this drawing for ordering The correct part number and part value is shown in the parts list and may be slightly different or amended since this drawing was prepared 3 Use only original replacement parts To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Parts different in shape or size may be used However only interchangeable parts will be supplied as service replacement parts 5 Test point information Test point with a jumper wire across a hole in P C B Test point with no test pin Schematic Diagram Notes 1 Indication for Zener Voltage of Zener Diodes The Zener Voltage of Zener Diodes are indicated as such Schematic Diagrams Example 6 2V Zener Voltage 2 How to identify Connectors Each connector is labeled with a Connector No and Pin No Indicating what it is connected to in other words its counter Use the interconnection schematic diagram to find the connection between associated connectors Example The connections between C B A s are shown below Ref No of the connection parts such as
37. Remove the TV Unit Refer to Steps 1 3 in REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER C B A FROM THE CABINET 2 1 Remove the Front Jack Earth Plate by removing the Screw 400 2 Disconnect Connector P3901 P3902 P3903 3 Remove the Front Jack C B A by removing the 2 Screws 421 4 Remove the Front Jack Holder with the Card C B A by removing the Screw 402 then releasing the 2 Locking Tabs 5 Remove the Card C B A by removing the 2 Screws 421 Front Jack Earth Plate Replacement Note of Card These parts will be necessary when replacing Set aside and keep and re use P9003 Connector Cable 29 3 1 Release the Cord from the slot of the Rear Jack Holder 2 Remove the Rear Jack Holder by removing the 5 Screws 402 then releasing the 3 Locking Tabs 3 Remove the Screw 402 and pull off the Rear Jack C B A BtoB Connector P3501 is disconnected Rear Jack Barrier Rear Jack C B A I 0 Rear Jack Earth Plate Fig 04 2 Replacement Note of Rear Jack These parts will be necessary when replacing Set aside and keep and re use Rear Jack Earth Plate Rear Jack Barrier 4 1 Remove the 5 Screws 402 Then pull off the Power C B A with the P C B Power Angle while releasing the clamper BtoB Connector P1006 is disconnected 2 Remove the Power C B A by removing the 4 Screws 479 AC Cord Clamper 14 4 Fig
38. SECTION comme 5 1 I Is E vow iow Lo m PROJECTION UNT 1 m n FRONT CK CR UNT Hon 2 dicor eR m ioo nanc m 0 E 3 ai PTS A m sd ae 5 3 RE 2 gt 3 9 60 MC IM LAMP IS NOT SUPPLIED AS A REPLACEMENT PART WHEN REPLACING REPLACE THE UNIT WHICH S SUPPLIED AS A OPTIONAL ACCESSORY INTERCONNECTION SCHEMATIC DIAGRAM PT 44LCX65 PT 52LCX65 PT 61LCX65 9 3 FRONT JACK SCHEMATIC DIAGRAM FRONT JACK SCHEMATIC DIAGRAM 61 NOTE For placing purchase order of the parts NOTE sure the number isted n he parts lst FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES Do not use the par number on this diagram REFER TO BEGINNING OF SCHEMATIC SECTION
39. SWITCH erm cur Em E oF manu RESISTORS pnsscrvurznv par cur iTi nzsorvziszv cure 1 168 1 5 nero 233328102127 cure 17160 27k aros 0308 3562 MCC cure 1 169 5 6 aras pr cure 17168 is 232522101221 cure 1 16V 1 2 X 103V fuar cure 1 168 10x cure 1718 ario par cure 17198 180 cure 17 68 100 cure 17 68 10x aeris _ 1 cure 1 168 10 PIN HEADERS 81
40. ack Only RGB is Replace the TY unit Base CBA or Front Jack Only Component 1 2 R 3 input is NG ad Replace TV unit Base or Rear Jack Component 1 2 AND 3 input S NG suis Only HDMI input is NG Replace the TV unit Main ise In the case that one or some input is NG it can be judged that the Replace the TV unit Main C B A Projection Unit is OF Tuner Analog CH Component AND Video input is Replace i TV unit Base Only SD Card input is NG Replace the TV unit Gard GBA Stil NG replace the Digital Tuner GBA Tuner AND SD Card input is NG Rec AB SU POUR NR I Replace the Digital Tuner Tuner input is NG Replace the Digital Tuner All input are NG Replace the Digital Tuner CBA TV unit Main Projection unit No sound from built in both L CH and R CH Speakers Check that there is an audio signal to the Audio Out Terminal from all input terminals IAI input aro NG Replace the TV unit Base Only Audiot 2 Component 1 2 OB 3 input is NG 1 Replace the TV unit Base Rear Jack Only Audios input is NG Only Audios inputis NG f
41. button on the unit and the SPLIT key on the remote together for over 5 seconds in power on condition When the reset is finished the display as shown in Fig 5 1 appears and the LAMP LED goes out UMP TUE vas RESET To 0 Fig 5 1 Note 1 The unit will detect when the Lamp s end of life is approaching and the following message will be displayed And the LAMP indicator light wil be lit when the Lamp s end of life is approaching LAMP NEEDS TO LACED AND THE LAMP Fig 5 2 2 Influences of frequent lighting continuous light use for over 24 hours the number of times the length of time between lightings etc may shorten lamp Ife Because of this we recommend having a replacement lamp on hand WARNING The lamp could rupture if dropped and lamp fragments could cause injury Because the lamp unit is hot immediately after ils use touching it may cause burns Please allow the lamp to before handling or replacing the lamp unit Itreplacement of the lamp unit becomes necessary during the operation of the Projection Display follow the procedure to off the power and wait until the lamp unit cools completely Cautions for Lamp Unit Replacement Do not disassemble the Lamp The lamp may be hot Be careful when handling Wear gloves Under circumstance should you touch the actual bulb At this high operating temperature the natural oil on your finger can cause the glass to
42. cuit exists on the Ballast and the Power This circuit is identified as HOT on the and in the Service Manual Use extreme care to prevent accidental shock when servicing MODEL NO IDENTIFICATION MARK Use Marks shown in the chart below to distinguish the different models included in this Service Manual MODEL MARK 441 65 PT S2LCX65 B PT 61LCX65 USED Note Refer to 3 of Schematic Diagram Notes of Schematic Diagram and Circuit Board Layout Notes for mark PT WIRE AND LEAD POSITION DIAGRAM OF THE UNIT After servicing make sure that all wires leads and clampers are placed their original position It is important for the best operation of the unit Note Use extreme care especially for the following Alter servicing make sure that all wires leads and clampers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following aker Connectors Fig 9 2 15 Atter servicing make sure that wires leads and clampers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following I After servicing make sure that all wires leads and clampers are placed in their original position It is important for the best operation of the unit No
43. er Unit Note After replacing the Lamp use caution to reset the Lamp time CLEANING METHOD THE SCREEN UNIT AND THE MIRROR SCREEN UNIT Lenticular Screen Fresnel Lens Itis strongly recommended that the Lenticular Screen surface outside and the Fresnel Lens surface inside should be wiped gently with a clean soft dry cloth to remove the dirt 1 Ifthe dirt cannot be removed by wiping with a clean soft dry cloth use a clean soft dry cloth moistened with diluted neutral pH liquid cleanser or a lens cleaner usually containing a small amount of ethyl alcohol and wipe lightly Take care not to leave any streaks Do not use cleaning materials containing methy alcohol acetone or dichloromethane 2 Use an air blower to clean the inner surface of the Lenticular Screen and the outer surface of the Fresnel Lens the surfaces that one another These surfaces must not be wiped with a cloth THE MIRROR Remove any dirt with an air blower or wipe with a clean soft dry cloth II wiped too forcefully the surface of the Mirror can be damaged If wiping with a clean dry cloth does not remove the dirt the Mirror must be replaced Miror Fresnel Lens surface isis Lenticular Sereen outside Fig 6 1 THE LAMP Gently wipe the surface of the glass of the Lamp with cleaning paper or soft cloth Surface of Fig 62 11 THE PROJECTION LENS Use lens cleaning pa
44. er replacing the Digital Tuner C B A Ifthe secret code of V chip is forgotten When moving the unit to new location 1 Tum on the power 2 Press and hold the VOLUME DOWN button on the unit and the OK key on the remote for more than 3 seconds When reset is finished power shuts off automatically the user s memory is resel CLOGGED AIR FILTER DETECTION When a dirty or clogged air filter is detected the OSD display appears for 1 minute And then the Lamp is turned OFF When this OSD display appears remove the Projection Unit from rear and clean the air fiters gently on the Projection Unit AIR FILTER CLEANING IS RECOMMANDED AT THIS TIME FIRST TURN THE UNIT OFF PLEASE CALL FOR SERVICE UNIT WILL BE TURNED OFF AFTER 1 MINUTE BEFORE REMOVING THE PROJECTION UNIT FROM THE UNIT AT THE USER S LOCATION When removing the Projection Unit remove the Lamp and the Top Duct 3 Unit from the Projection Unit and keep them Then reinstall this Lamp and the Top Duct 3 Unit into the new Projection Unit 7 Projection Unit Screw forlamp 7 5 13 DO NOT UNPLUG AC CORD DURING COOLING OPERATION The lamp cooling fan will continue to operate for approximately 1 minute after the power is turned off the same time the POWER LED will lash red Do not disconnect the AC Cord from the power outlet and not open any circuit breakers while the cooling fan is stil operating HOT CIRCUIT Primary cir
45. ide and keep and re use Duct 3 Unit 24 REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER C B A FROM THE CABINET 1 Remove the Rear Cover Refer to Step 1 in REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET 1 Remove the 2 Screws 401 and the 5 Screws 402 on the Earth Plate A Then remove the Earth Plate A 2 Disconnect Connector P1301 P1302 P1305 P2501 20 pin Cable P2901 and the 2 Speaker Connectors Note Take extreme care not to damage the 20 pin Cable when disconnecting 3 Slide the TV Unit with the Digital Tuner C B A slightly and disconnect Connector P6005 4 Remove the TV Unit with the Digital Tuner C B A with Digital Tuner C B A The 5 Screws 402 are for removing the Earth Plate A P2901 From Fig 02 1 25 3 1 Remove the DTV Jack Holder by removing the Screw 402 2 Disconnect Connector 0110 3 Remove the Digital Tuner C B A by removing the 5 Screws 480 BtoB Connector 0112 is disconnected Digital Tuner C B A Fig 02 2 26 REMOVAL OF THE BASE BODY UNIT 1 Remove the Rear Cover Refer to Step 1 in REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET 2 Remove the 3 PT 44 52LCX65 or the 5 PT 61LCX65 Screws 401 from rear side and remove the Display Display PT 61LCX65 D 27 3 1 Remove the Front Cover Unit the latches 2 Remove the Side Cover LIR Unit by removing the 6 or 8
46. intain original function and reliability of repaired units 2 Abbreviation use only original replacement parts which are listed with RTI their part numbers in the parts list 2 IMPORTANT SAFETY NOTICE This indicates that the retention time is limited for this item After the Components identified by the sign have special discontinuation of this item in characteristics important for safety When replacing any of production it wil no longer be these components use only the specified parts available 3 SPECIAL NOTE NR Non Repairable Board Ass y All integrated circuits and other semiconductor Metal 81829 Em Ghi C CHIP Ceramic Chip devices are electrostatically sensitive and therefore require the special handling techniques described under the CME s Gomplsk Component ELECTROSTATICALLY SENSITIVE ES DEVICES WFLMPRE Wirewound Fiameproof section of this service manual Circuit Board Assembly Printed Circuit Board 4 Parts with no Ref No in EXPLODED VIEWS are not EER supplied And some Ref will be skipped Be sure to your orders of replacement parts according to the When replacing 0 resistor wire can be substituted for 1 parts list 5 Parts different in shape or size may be used However only COMPARISON CHART OF MODELS amp MARKS interchangeable parts wil be supplied as service replacement parts MODEL
47. lead cable flexible cable which is supplied as a replacement parts The Number of pins of the Connector POWER SUPPLY MAIN P1503 Connector No on Main C 8 3 Parts marked PT are not used in any models included in this service model 00 1 p 4 Jumper wires are used for WA10 WAS etc and these are not supplied as replacement parts 6011 1 1C6011 86097 Example Circuit Board Layout Note Circuit Board Layout shows components installed for various models For proper parts content for the model you are servicing please refer to the schematic diagram and parts list NOTE Circuit Board Layout includes components which are not used SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 59 PT 44LCX65 PT 52LCX65 PT 61LCX65 9 2 INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTE COMPONENTS IDENTIFED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY WHEN REPLACING ANY OF THESE COMPONENTS SPECIFIED PARTS USE ONLY THERMAL FUSE UNIT REPLACEMENT NOTE CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME NUMER SADIE 11501 ATTENTION POUR UNE PROTECTION CONTINUE LES RISQUE D INCENDIE UTILSEROUE DES FUSBLE DE NEVE TYPE NUMERO LSJADASA 15 E NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC
48. make a note of the CURRENT LAMP value because of a defective Main C B A ask the customer their daily average use and the approximate age of the current Lamp Then calculate the CURRENT LAMP value as follows and make a note CURRENT LAMP average use hours Approx age hours days Note The TOTAL value can be setto the original value in Service Mode 2 3 by similar method Before removing the Main C B A at the user s location make a note of the TOTAL value in Service Mode 2 3 Then after installing the new Main C B A at the user s location set the TOTAL value to the original value in Service Mode Service Mode Map Enter VOLUME DOWN button key on the front on the remote for more than 5 seconds in power off condition Power ON lt BKSV number Z Service Mode 13 gt CH DOWN key A CH UP Y lt Service Mode 23 gt CH DOWN keyp UP key Y Mode 33 gt CH DOWN key Exit Power OFF When turning the power on again after once turning off wait for approx 10 seconds Or the unit can not be released from Service Mode REPLACEMENT OF LAMP Lamp Time Reset Procedure Be sure to reset the Lamp lime to 0 after replacing the new Lamp 1 Plug inthe AC Cord and on the power by pressing the POWER button 2 Press and hold the VOLUME DOWN
49. n replacing the Fresnel Lens and the Lenticular Screen take care that dust etc does adhere between the Fresnel Lens and the Lenticular Screen Due to this risk it is strongly recommended to replace the Screen Unit as a unit 36 PT 61LCX65 Remove the 2 Screen Angle H Unit and the 2 Screen Angle V Unit by removing the 18 Screws 465 and remove the Fresnel Lens and the Lenticular Screen Screen Screen Unit D d Screen Angle V Unit 75 V Fresnel Lens Screen Angle H Unit Escutcheon 79 7 Screen Screen Angle H Unit Angle V Unit i Front 3 P Serial No Label _ Serial No Label of Lenticular 9 of Fresnel Lens e Fig D5 3 2 Reassembly Note Install them so that Serial No Labels are on the each outside as shown above Replacement Note for Screen Unit The Screen Unit is supplied as a unit or the individual parts Fresnel Lens Lenticular Screen in the Screen Unit are also supplied When replacing the Fresnel Lens and the Lenticular Screen take care that dust etc does not adhere between the Fresnel Lens and the Lenticular Screen Due to this risk it is strongly recommended to replace the Screen Unit as a unit 37 REMOVAL OF THE MIRROR FROM THE BACK COVER 1 Remove the Screen Unit Refer to Steps 1 4 in REMOVAL OF THE SCREEN UNIT FROM THE DISPLAY 2 PT AALCXGS PT 52LCX65 1 Remove the 2 Mirror Holder H and
50. per and cleaner available at your local camera shop etc Dampen the cleaning paper with cleaner and gently wipe the surface of the lens from the center outward to remove dust Lens TO DISTINGUISH THE PROJECTION LENS UNIT OR THE PROJECTION UNIT The only difference between the 44 inch model the 52 inch model and the 61 inch model of the Projection Unit is the Projection Lens To distinguish see marking E F or J on the Projection Lens Front E with red for 44 inch model F with black for 52 inch model J with blue for 61 inch model And also see the stamp on the Lamp Wall of the Projection Unit 44 15 0625 for 44 inch model 52 15 0626 0 52 inch model 61 2 0699 tor61 inch model 12 TO READ THE DIGITAL TUNER PEAKS SOFTWARE VERSION AND TV MICROCONTROLLER SOFTWARE VERSION 1 Press MENU key with the power on 2 Press CH UP DOWN key and select Setup Then press OK key 3 Press CH UP DOWN key and select About Then press OK key 4 Select Version and press OK key Version menu will appear as shown below Starting with the second digit from the right or from the lef 0121 4610 IV Status Status2 610 I a other number Read every from the le other number 11860 from the right 1420 E ur Digital Tuner Peaks software Ver 1 420 RESET USER S MEMORY FUNCTIONS Be sure to reset the user s memory Aft
51. sembling perform the step s in the reverse order Bend route and dress the wires as they were originally FRONT COVER UNIT REAR COVER SIDE COVER L R UNIT BASE BODY UNIT DISPLAY BALLAST C B A DIGITAL TUNER SCREENUNT pROJECTIN UT BACK COVER FRONT JACK CA CARDCBA OPERATION REAR JACK C B A POWER MANC Note a Place a cloth or some other soft material under the P C Boards or Unit to prevent damage b When reinstalling ensure that the connectors are connected firmly and electrical components have not been damaged Do not supply power to the unit during disassembly and reassembly 20 REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET 1 PT HLCXGS PT S2LCX65 Remove the Rear Cover by removing the 18 or 21 PT S2LCXES Screws 401 454 then pinching the 4 atch tabs 7 I 22 Remove the Front Cover Unt and remove tne 2 m front side p 7 7 2 2 22 6144LCX65 lote Remove the Front Cover nit and remove the 2 Seren trom front side PT 52LCX65 Fig 01 1 1 611 65 Remove the Rear Cover by removing the 25 Screws 401 then pinching the 4 latch tabs Fig D1 1 2 2 2 1 Disconnect Connectors P1301 P1302 P1305 P2501 20 pin Cable P2901 P2904 Note Take extreme care not to damage the 20 pin
52. te Use extreme care especially for the following 17 Atter servicing make sure that wires leads and clampers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following P2302 Tom Thermistor 1 gt Camper Fig 9 5 18 Alter servicing make sure that wires leads and clampers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following P3903 P8902 01 From Base from Base From Base Fig 9 6 19 5 DISASSEMBLY ASSEMBLY PROCEDURES 5 1 CABINET SECTION CABINET SECTION DISASSEMBLY METHOD OF CABINET SECTION Cabinet section contains following removal procedures REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER FROM THE CABINET REMOVAL OF THE BASE BODY UNIT REMOVAL OF THE FRONT JACK C B A THE CARD C B A THE REAR JACK THE POWER THE MAIN C B A AND THE BASE C B A FROM THE TV UNIT REMOVAL OF THE SCREEN UNIT FROM THE DISPLAY REMOVAL OF THE MIRROR FROM THE BACK COVER REMOVAL OF THE OPERATION C B A FROM THE CABINET DISASSEMBLY FLOWCHART This flow chart indicates the disassembly steps of the cabinet parts and the P C Boards in order to gain access to ilem s to be serviced When reas
53. the 2 Mirror Holder V Unit PT 52LCX65 by removing the 4 or 8 PT S2LCX65 Screws 401 2 Remove the Mirror from the top by releasing the Back Cover slots Note Be careful that the Mirror does not fall down when removing PT S2LCX65 V gt 521 65 0 cr Mirror Holder V Unit PT 52LCX65 Fig D6 1 1 Reassembly Notes for Mirror Install the Mirror as following procedures 1 Place the 3 sheets on the top and bottom edges of the Mirror PT 44LCX65 PT 52LCX65 demie Front Front View gt 2 Hold the sheet portions of the Mirror and insert the Mirror from the top into the Back Cover slots carefully When handling the Mirror do not touch the Mirror surface 3 Install the 2 Mirror Holder H and the 2 Mirror Holder V Unit PT 52LCX65 on the Mirror and tighten the 4 or 8 PT S2LCX65 Screws 401 38 PT S1LCX6S 1 Remove the 3 Mirror Holder H and the 2 Mirror Holder V Unit by removing the 10 Screws 401 2 Remove the Mirror from the top by releasing the Back Cover slots Note Be careful that the Mirror does not down when removing Mirror Holder V Unit Fig 06 1 2 Reassembly Notes for Mirror Install the Mirror as following procedures 1 Place the 4 sheets on the top and bottom edges of the Mirror Sheet
54. weaken where touched and the bulb can crack or explode 10 Lamp Replacement Procedure Press the POWER button to turn off the power 2 Wail for about minute unti the cooling an stops Note The lamp cooling fan will continue to operate for about 1 minute after the power is turned off Do not unplug the from the outlet until the fan has stopped Avoid interrupting the power by using circuit breakers or switchable power strips 3 Aller the cooling fan has stopped unplug the AC Cord the outlet Note Please wait more than one hour before replacing the lamp Forced cooling function It you need to replace the lamp more urgently The Projection display has a forced cooling feature After the POWER button is turned OFF and during the first minute of the normal cooling fan operation press the VOLUME UP button on the unit and CH UP key on the remote at the same time for more than 5 seconds The cooling fan operates for about 10 minutes LAMP LED wil flash 5 times every 5 second and POWER LED will lash red for 10 minutes 4 Remove the Front Gover Unit from the latches 5 the Knob to the left Fig 5 3 6 Pull the Lamp Cover out 7 Loosen the Screw on the Lamp Then pull the Lamp Note Because the Lamp may still be hot use caution when handling Fig 5 4 Install the new Lamp and tighten the Screw 9 install the Lamp Cover and turn the Knob to the right 10 Install the Front Cov
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