Panasonic PT52LCX66 - MULTI MEDIA DISPLAY Service Manual
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Panasonic PT52LCX66 - MULTI MEDIA DISPLAY Service Manual

Multi media display
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Multi Media Display
PT-52LCX66
PT-56LCX66
PT-61LCX66
PT-52LCX16
PT-56LCX16
© 2006 Panasonic Shikoku Electronics Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MKE0605850CE
B2
Unauthorized
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Summary of Contents for Panasonic PT52LCX66 - MULTI MEDIA DISPLAY

  • Page 1 ORDER NO. MKE0605850CE Multi Media Display PT-52LCX66 PT-56LCX66 PT-61LCX66 PT-52LCX16 PT-56LCX16 © 2006 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 CONTENTS Page Page 1 Safety Precautions 12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT 1.1. General Guidelines NOTES 1.2. Leakage Current Cold Check 12.2. INTERCONNECTION SCHEMATIC DIAGRAM 1.3. Leakage Current Hot Check 12.3.

  • Page 3: Safety Precautions

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 1 Safety Precautions 1.1. General Guidelines 1. For continued safety, no modification of any circuit should be attempted. 2. Disconnect AC Plug before disassembling this unit. 3. It is advisable to use an isolation transformer in the AC supply before servicing.

  • Page 4: Warning

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 2 Warning 2.1. Prevention of Electro Static 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.

  • Page 5: Service Navigation

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 3 Service Navigation 3.1. Introduction This service manual contains technical information which will allow service personnel´s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers. If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service manual.

  • Page 6: Specifications

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 4 Specifications...

  • Page 7: Location Of Controls And Components

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 5 Location of Controls and Components 5.1. Operation Instructions...
  • Page 8 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...
  • Page 9 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 10: Replacement Of Lamp

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 5.2. Replacement of Lamp...

  • Page 11: Service Mode

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 6 Service Mode LED INDICATIONS FOR ERROR CONDITIONS Each LED indication facilitates finding the cause of an error. When an error is detected, the Lamp goes off and the LEDs on the front flash. LAMP LED TEMP LED POWER LED...

  • Page 12: Front View

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 MAIN PARTS LOCATION <Front View> TEMP LED Power Switch P.C.B. LAMP LED POWER LED TEMP LED LAMP LED Lamp Cover Optical Cover Front Cover Unit <Rear View> Projection Unit & Top Duct 3 Thermistor 2 P.C.B.
  • Page 13 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 TO DISTINGUISH THE PROJECTION UNIT TO READ THE DIGITAL TUNER (PEAKS) SOFTWARE VERSION AND TV The only difference between the 52/56 inch model and 61 inch MICROCONTROLLER SOFTWARE model of the Projection Unit is the LCD Drive P.C.B. VERSION Therefore, see the stamp on the Lamp Wall to differentiate.
  • Page 14 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 RESET USER’S MEMORY FUNCTIONS DO NOT UNPLUG AC CORD DURING COOLING OPERATION Be sure to reset the user’s memory: After replacing the Digital Tuner P.C.B. The lamp cooling fan will continue to operate for approximately If the secret code for V-chip has been forgotten.
  • Page 15 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 BEFORE REMOVING THE MAIN P.C.B. OR WHEN REINSTALLING THE MAIN P.C.B. THE TV UNIT FROM THE UNIT AT THE OR THE TV UNIT FROM THE UNIT AT THE USE’S LOCATION USE’S LOCATION CAUTION: Note: 1.
  • Page 16 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 WIRE AND LEAD POSITION DIAGRAM OF THE UNIT 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. Note: Use extreme care especially for the following.
  • Page 17 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 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. Note: Use extreme care especially for the following. CN6001 (From Power CN5700...
  • Page 18 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 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. Note: Use extreme care especially for the following. CN2705 CN2701 (To Iris...
  • Page 19 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 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. Note: Use extreme care especially for the following. Clamper P2821 (Thermistor 2 P.C.B.)
  • Page 20 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 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. Note: Use extreme care especially for the following. Clampers TV Unit with Digital Tuner P.C.B.

  • Page 21: Troubleshooting Guide

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 7 Troubleshooting Guide 7.1. Troubleshooting Hints for Block Level Repair MAIN PARTS LOCATION <Front View> TEMP LED Power Switch P.C.B. LAMP LED POWER LED TEMP LED LAMP LED Lamp Cover Optical Cover Front Cover Unit <Rear View>...
  • Page 22 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 LED INDICATIONS FOR ERROR CONDITIONS Each LED indication facilitates finding the cause of an error. When an error is detected, the Lamp goes off and the LEDs on the front flash. LAMP LED TEMP LED POWER LED...
  • Page 23 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 Protection Circuit SOS terminal of IC6001 (Main microcontroller) and IC2301 (LCD Microcontroller) IC6001 (MAIN MICROCONTROLLER) (Error No. 11) LAMP COVER OPEN(H) CN2501-1 IC2301 (LCD MICROCONTROLLER) SOS2 (Error No. 1) +5V SENS (Error No. 3) FAN1 LOCK(H) CN2701-3 (Error No.
  • Page 24 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 3) Abnormal voltage (DT+5V line) detection circuit DT+5V IC1102 IC6001 (MAIN MICROCONTROLLER) Normal +5V SENS SOS: 0V on DT+5V line MAIN P.C.B. 4) IC5001 (GC4PRO) communication error detection circuit IC5000 IC6001 (MAIN MICROCONTROLLER) (MAIN VIDEO SIGNAL PROCESS) I2C SERIAL CLOCK0 I2C SERIAL CLOCK0...
  • Page 25 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 8) Abnormal Lamp detection circuit IC6001 (MAIN MICROCONTROLLER) LAMP ON(H) Q6012 Q6011 LAMP ON(H) POWER CONTROL Q6001 Q6000 Q1602 CIRCUIT 2 LAMP STATUS LAMP STATUS SOS Normal (ON(H)/OFF (L)) SOS: Lamp does not light up Normal: Lamp ON MAIN P.C.B.
  • Page 26 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 AC stop detection circuit IC6002 IC6001 RESET STBY+3.3V (MAIN POWER FULL-WAVE IC6006 MICROCONTROLLER) FACTOR RECTIFIER CORRECTION AC STOP(L) Normal MAIN P.C.B. Q1601 DRIVE IC1002, IC1003, IC1933, IC1934, AC STOP(L) IC1405, IC1407 IC1935 POWER CONTROL...
  • Page 27 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 How to solve problems indicated by the Error Indication of LED (The symptom of all errors is that Lamp goes off or Lamp does not light up) Note: Before performing the troubleshooting, confirm that all connector cables in the unit are connected correctly. Error Problem Possible Solution...
  • Page 28 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 LAMP DOES NOT LIGHT UP Note: 1. Before doing this troubleshooting, confirm that all connector cables in the unit are connected to the connectors correctly. Plug in the AC Cord. 2. When doing troubleshooting over again, be sure to turn the power off and unplug the AC Cord.
  • Page 29 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 HOW TO DETERMINE WHICH P.C.B. IS DEFECTIVE No picture or abnormal picture ABNORMAL PICTURE: No Picture Color (Black and White picture) Abnormal Picture Color Unsynchronized Picture Dark Picture (Only Video1 OR 2 input is NG.) Replace the TV Unit (Base P.C.B.).
  • Page 30 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 No sound from built-in both L-CH and R-CH Speakers (All input are NG.) Check that there is an audio signal to the Audio Out Replace the TV Unit (Base P.C.B.). Terminal from all input terminals. (Only Audio1 OR 2 input is NG.) Replace the TV Unit (Base P.C.B.).
  • Page 31 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 Tips for determining defective circuit in the case of picture problem PROJECTION UNIT PROJECTION UNIT BASE P.C.B. MAIN P.C.B. LCD DRIVE P.C.B. IC5000 IC5001 IC5700 IC2504 IC2503 IC2003,2004 IC3101 CN2001 LCD (R) PC-IN COMPONENT IN (1,2) CN5700...

  • Page 32: Disassembly And Assembly Instructions

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 8 Disassembly and Assembly Instructions 8.1. Cabinet Section DISASSEMBLY METHOD OF CABINET SECTION Cabinet section contains following removal procedures: REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET REMOVAL OF THE PROJECTION UNIT REMOVAL OF THE BASE BODY UNIT REMOVAL OF THE POWER P.C.B.
  • Page 33 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET 1. Remove the Rear Cover Unit by removing the 13 Screws (401) then pinching the 3 latch tabs. latch tabs Rear Cover Unit Fig.
  • Page 34 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 2. Remove the Connecting Plate R by removing the 2 Screws (401, 402). 3. 1) Remove the 2 Screws (402) on the Connecting Plate F, and remove the Screw (401) on the left side of the TV Unit. 2) Disconnect Connectors CN4501, CN6000, CN6001, CN6002, CN6008 and the 2 Speaker Connectors and release from the clampers.
  • Page 35 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 Note: Grasping the center of both sides of the sheet or cable with your fingers, slowly and steadily pull the LVDS Cable straight out from the connector. Do not joggle the LVDS cable while disconnecting.
  • Page 36 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE PROJECTION UNIT 1. Remove the TV Unit with the Digital Tuner P.C.B. Refer to Steps 1 ~ 2 in "REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B.
  • Page 37 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 3. 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.
  • Page 38 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE BASE BODY UNIT 1. Remove the Rear Cover Unit. Refer to Step 1 in "REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET." 2. 1) Remove the Front Cover Unit from the latches. 2) Remove the 5 Screws (454) from front side, and remove the Display.
  • Page 39 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE POWER P.C.B. FROM THE CABINET 1. Remove the Rear Cover Unit. Refer to Step 1 in "REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET."...
  • Page 40 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 2) Remove the Power P.C.B. by removing the 5 Screws (479) and release from the spacer. Power P.C.B. spacer Power PCB Mount Metal Fig. D4-2 CAUTION: High voltage exists on the Power P.C.B. While removing Power P.C.B., do not touch any parts on the board.
  • Page 41 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE FRONT JACK/OPERATION P.C.B., THE SD CARD P.C.B., THE MAIN P.C.B., THE BASE P.C.B. FROM THE TV UNIT 1. Remove the TV Unit. Refer to Steps 1 ~ 4 in "REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET."...
  • Page 42 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE SCREEN UNIT FROM THE DISPLAY 1. Remove the Display. Refer to Steps 1 ~ 2 in "REMOVAL OF THE BASE BODY UNIT." 2. Remove the Screen Unit by removing the 16 Screws (401). Screen Unit <Front View>...
  • Page 43 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 3. Remove the 2 Screen Angle H Units and the 2 Screen Angle V Units by removing the 14 Screws (465), and remove the Fresnel Lens and the Lenticular Screen. Fresnel Lenticular Lens Screen...
  • Page 44 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE MIRROR FROM THE BACK COVER 1. Remove the Screen Unit. Refer to Steps 1 ~ 2 in "REMOVAL OF THE SCREEN UNIT FROM THE DISPLAY." 2. (For 52 inch models) 1) Remove the 2 Mirror Holder H Units and the 2 Mirror Holder V Units by removing the 8 Screws (401).
  • Page 45 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 (For 56/61 inch models) 1) Remove the 3 Mirror Holder H Units and the 2 Mirror Holder V Units by removing the 10 Screws (401). 2) Remove the Mirror from the top by releasing the Back Cover slots. Note: The Mirror is fragile.
  • Page 46 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 REMOVAL OF THE POWER SWITCH P.C.B. FROM THE CABINET 1. Remove the Rear Cover Unit. Refer to Step 1 in "REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER P.C.B. FROM THE CABINET."...

  • Page 47: Measurements And Adjustments

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 9 Measurements and Adjustments 9.1. Adjustment Procedures 1 WHEN INSTALLING 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.
  • Page 48 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 a. Focus Adjustment b. Mechanical Picture Position Adjustment (Tilt) 1) Confirm that each of the pixels in the nine portions are 1) Loosen the 4 Screws on the Projection Unit. clearly visible. O P T H P O S I Screw...
  • Page 49 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 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 OTHER menu.

  • Page 50: Maintenance

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 10 Maintenance 10.1. Cleaning Methods THE SCREEN UNIT AND THE MIRROR THE FILTER ON THE PROJECTION UNIT THE SCREEN UNIT (Lenticular Screen, Fresnel Lens) It is strongly recommended that the Lenticular Screen surface CAUTION: (outside) and the Fresnel Lens surface (inside) should be Operating with torn or damaged Air Filter may cause damage...

  • Page 51: Block Diagrams

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 11 Block Diagrams OVERALL BLOCK DIAGRAM BASE P.C.B. IC4002 COMPONENT COMPONENT AUDIO IN 1 (L/R) IC4501 IC4504 AUDIO IN 1 (L/R) CN4502 SPEAKER-R COMPONENT AUDIO IN 2 (L/R) AUDIO COMPONENT AUDIO AUDIO IN 2 (L/R) AUDIO IN 1 (L/R) AUDIO IN 1 (L/R)
  • Page 52 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 POWER SUPPLY BLOCK DIAGRAM (1/2) POWER P.C.B. IC1404,Q1802 D1807 OVER VOLTAGE DET. TP1301 IC1409 T1401 -12V -12V REG. PFC (POWER FACTOR CORRECTION) IC1408 +12V TP1907 +12V REG. F1001 D1805, TP1806 TP1909 TP1911 TP1910 TP1901...
  • Page 53 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 POWER SUPPLY BLOCK DIAGRAM (2/2) MAIN P.C.B. DIGITAL TUNER P.C.B. TP1113 TP1101 (DT +30V) CN6003-8 DT12-8 DT +30V (DT +9V) CN6003-(51-53) DT12-(51-53) DT +9V (DT +5V) CN6003-54,57 DT12-54,57 DT +5V POWER SW P.C.B. IC1105 TP1103 TP1118 (STBY +3.3V)
  • Page 54 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2) BASE P.C.B. MAIN P.C.B. IC5000 (VIDEO SIGNAL PROCESS) JK3501 VIDEO OUT TP3111 IC3101 (VIDEO SW) JK3502 TP3110 COMPONENT 7-10,13,14, RGB DATA (24BIT) 22-33,41,42, COMPONENT 91-94 -PB1 TP3109...
  • Page 55 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2) VIDEO SIGNAL IC5001 (DIGITAL VIDEO SIGNAL PROCESS) MAIN SIGNAL PATH RGB DATA (24BIT) G2,G3,H1,H2,J1-J3,K1-K4, L1-L3,M1-M4,N3,N4,P1-P4 V-SYNC H-SYNC FOR MAIN SIGNAL CLOCK CLOCK IC5011 (CLOCK GENERATOR) +3.3V CLOCK(95MHz) X5000...
  • Page 56 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 VIDEO SIGNAL PATH II BLOCK DIAGRAM VIDEO SIGNAL LCD DRIVE P.C.B. LCD(R) +15.5V IC2504 (LVDS RECEIVER) IC2503 (SIGNAL PROCESS FOR LCD PANEL) TP2001 CN2001-1 CN2001-2 CN2001-3 TP2004 CN2001-(4-15) IC2003,IC2004 (SAMPLING HOLD) (IC2004 PIN49 LINE) CN2001-16 R DATA...
  • Page 57 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 AUDIO SIGNAL PATH BLOCK DIAGRAM AUDIO SIGNAL MAIN P.C.B. BASE P.C.B. IC4501 IC4504 (A/D CONVERTER) (AUDIO POWER AMP) IC4002 (AUDIO SW) SPEAKER (L-CH) HDMI 1(A) HDMI 2(A) CN3000-1 CN3103-1 LINE 3 FROM VIDEO I HDMI AUDIO (R) CN3000-7...
  • Page 58 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 SYSTEM CONTROL BLOCK DIAGRAM BASE P.C.B. MAIN P.C.B. DIGITAL TUNER P.C.B. LCD DRIVE P.C.B. IC3101 (VIDEO SW) CN6003-15 DT12-15 POWER DET 8,47,53,57 I2C SERIAL CLOCK1 CN6003-35 DT12-35 I2C SERIAL CLOCK1 I2C SERIAL DATA1 CN6003-34 DT12-34 I2C SERIAL DATA1...
  • Page 59 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 OPTICAL BLOCK DIAGRAM SCREEN Blue Light Path Green Light Path Red Light Path MIRROR PROJECTION UNIT PROJECTION LENS LIGHT IN POLARIZER LIGHT IN BLUE LIGHT IN POLARIZER LIGHT IN POLARIZER RED UNIT POLARIZER LCD/PRISM UNIT BLUE UNIT...
  • Page 60 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 61: Schematic Diagrams

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 12 Schematic Diagrams 12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 1. Important safety notice 3. Parts marked "PT" are not used in any models included Components identified by the sign have special in this service model.

  • Page 62: Interconnection Schematic Diagram

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 12.2. INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, IMPORTANT SAFETY NOTICE: NOTE: be sure to use the part number listed in the parts list. NOTE: COMPONENTS IDENTIFIED BY THE SIGN HAVE...

  • Page 63: Front Jack / Operation Schematic Diagram

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 12.3. FRONT JACK / OPERATION SCHEMATIC DIAGRAM FRONT JACK / OPERATION SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list.

  • Page 64: Power Switch / Thermistor 2 / Cover Switch Schematic Diagrams

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 12.4. POWER SWITCH / THERMISTOR 2 / COVER SWITCH SCHEMATIC DIAGRAMS NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. REFER TO BEGINNING OF SCHEMATIC SECTION.

  • Page 65: Voltage Chart

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 12.5. VOLTAGE CHART NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. POWER SWITCH P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 66 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 67: Printed Circuit Board

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 13 Printed Circuit Board 13.1. FRONT JACK / OPERATION P.C.B. / POWER SWITCH P.C.B. / THERMISTOR 2 P.C.B. / COVER SWITCH P.C.B. NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED.
  • Page 68 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 69: Exploded Views

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14 Exploded Views 14.1. MAIN PARTS SECTION...
  • Page 70 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 71: Base Body Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.2. BASE BODY SECTION...

  • Page 72: Display Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.3. DISPLAY SECTION...
  • Page 73 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 74: Screen Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.4. SCREEN SECTION...
  • Page 75 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16...

  • Page 76: Projection Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.5. PROJECTION SECTION...

  • Page 77: Tv Unit Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.6. TV UNIT SECTION...

  • Page 78: Packing Parts And Accessories Section

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 14.7. PACKING PARTS AND ACCESSORIES SECTION...

  • Page 79: Replacement Parts List

    PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 15 Replacement Parts List BEFORE REPLACING PARTS, READ THE FOLLOWING: 15.1.3. Electrical Replacement Notes 1. Unless otherwise specified; 15.1. REPLACEMENT NOTES All resistors are in , K = 1,000 , M = 1,000 k . 2.

  • Page 80: Mechanical Replacement Parts List

    “Replacement Note for 56 inch LSXA0738 SCREEN ANGLE V UNIT ( C ) Screen Unit” Disassembly LSGB0056 PANASONIC BADGE and Assembly Instructions. LSGV0129 BACK COVER ( A,D ) LSYK1825 SCREEN UNIT ( C ) LSGV0130 BACK COVER ( B,E )

  • Page 81: Optional Accessory Replacement Parts List

    The Lamp Unit (TY-LA1001) is not supplied as a B,E ) replacement part. It is sold separately. To purchase a LSPN0708 CUSHION TOP-RIGHT,STYROFORM ( replacement, call the Panasonic accessory department. LSPN0709 CUSHION BOTTOM-LEFT,STYROFORM ( A,D ) 15.4. ELECTRICAL REPLACEMENT LSPN0710...
  • Page 82 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks E130 LSEP3137B THERMISTOR 2 P.C.B. R6707 ERJ3GEYJ122V MGF CHIP 1/16W 1.2K PSEC CAPACITOR E140 LSEP3160A COVER SWITCH P.C.B.
  • Page 83 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 15.4.5. ELECTRICAL PARTS LOCATED ON CHASSIS FUSE & PROTECTOR Ref. Part No. Part Name & Description Remarks F001 LSJA0583 THERMAL FUSE UNIT PSEC...

This manual is also suitable for:

Pt-56lcx66Pt-61lcx66Pt-52lcx16Pt-56lcx16

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