Page 1 ORDER NO. MKE0605853CE Multi Media Display PT-52LCX66-K PT-56LCX16-K PT-61LCX66-K © 2006 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
Page 2: Table Of Contents
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K CONTENTS Page Page 1 Safety Precautions 13.11. POWER SWITCH / THERMISTOR 2 / COVER SWITCH 1.1. General Guidelines SCHEMATIC DIAGRAMS 1.2. Leakage Current Cold Check 13.12. VOLTAGE CHART 1.3. Leakage Current Hot Check 14 Printed Circuit Board 1.4.
Page 3: Safety Precautions
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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-K / PT-56LCX16-K / PT-61LCX66-K 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. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
Page 5: Service Navigation
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 6: Specifications
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 4 Specifications...
Page 7: Location Of Controls And Components
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 5 Location of Controls and Components 5.1. Operation Instructions...
Page 8 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 9 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 10: Replacement Of Lamp
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 5.2. Replacement of Lamp...
Page 11: Service Mode
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 12 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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-K / PT-56LCX16-K / PT-61LCX66-K SERVICE MODE Service Mode Map In this mode, the following information can be confirmed on the Enter: screen: VOLUME DOWN button + TV/VIDEO key (on the front) (on the remote) Service Mode (1/4) (for more than 5 seconds in power off condition)
Page 14 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 1. To enter Service Mode, press and hold the VOLUME 2. Press the CH DOWN key. Service Mode (2/4) will appear. DOWN button on the unit and the TV/VIDEO key on the S E R V I C E...
Page 15 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K *7: The total elapsed "Lamp operation" time (in hours) 4. Press the CH DOWN key. Service Mode (4/4) will appear. (changeable) (For reference only) S E R V I C E M o d e...
Page 16 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 17 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 18 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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. Set CURRENT LAMP value to original value as follows.
Page 19 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 20 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 21 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 22 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 23 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 24: Troubleshooting Guide
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 7 Troubleshooting Guide 7.1. Troubleshooting Hints for Component 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 25 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 26 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 27 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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)
Page 28 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 29 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 AC VOLTAGE...
Page 30 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 31 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 32 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 33 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 34 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 35 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Note: CHECKING THE POWER P.C.B. 1. The Projection Unit includes the Power P.C.B. 2. Do not turn or adjust VRs (R1324, R1703, R1951). Disconnect all connector cables on the Power P.C.B., then CAUTION: take out the Power P.C.B. from the Power PCB Mount Metal.
Page 36 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Check the voltage at the following points on the Power Control 2 P.C.B. (Use TP1301 as GND.) CN1401 (Pin 6): approx. 0.5 V±0.5 V <SUB RELAY ON (L)> CN1401 (Pin 7): approx. 0.5 V±0.5 V <MAIN RELAY ON (L)>...
Page 37 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Note: CHECKING THE BALLAST CIRCUIT 1. There is a Ballast Circuit on the Power P.C.B. 2. Be sure to discharge C1810. Refer to "How to discharge the capacitor (C1810) on the Power P.C.B." Check the Thermal Fuse.
Page 38 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K CAUTION: High voltage exists on the Power P.C.B. While removing Power P.C.B., do not touch any parts on the board. Hold the edge of the board when removing it. C1810: High voltage generated. (approx. 400 V) How to discharge the capacitor (C1810) on the Power P.C.B.
Page 39 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Power P.C.B. Service Position No connection Radiation Plate (HOT GND) TP1502 TP1901 RL1903 RL1902 (foil side) jumper wire AC Cord To AC outlet Test Points for checking the voltage on the Power P.C.B. C1810: Note: Do not turn or adjust VRs High voltage generated.
Page 40 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Test Points for checking the voltage on the Power P.C.B. Bottom part of Radiation Plate (COLD GND) CN1401 TP1311 D1506-CATHODE TP1301 (COLD GND) D1940-CATHODE (foil side) Radiation Plate (HOT GND) Power Control 2 P.C.B. Pin8 of IC1831...
Page 41 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Note: CHECKING THE MAIN P.C.B. The TV Unit includes the Main P.C.B. Disconnect all connector cables on the TV Unit, then take out the Main P.C.B. from the TV Unit. Refer to Main P.C.B. Service Position., Figure 3.
Page 42 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Main P.C.B. Service Position Test Points for checking the voltage on the Main P.C.B. TV Unit CN6008 CN6000 CN6001 TP1112 CN6008 CN5700 ZA002 CN6001 CN6000 CN6002 C1149 C1150 TP1112 L6027 C6109 C1103 TP1111 IC1100 R6207...
Page 43 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 CN2001 IC3101 LCD (R) PC-IN COMPONENT IN (1,2)
Page 44: Service Fixture & Tools
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 8 Service Fixture & Tools 8.1. Service Fixture and Tools LSEP3112A Relay P.C.B. LSUA0042 LCD Panel Flat Extension Cable Relay P.C.B. (LSEP3112A) LCD Panel Flat Extension Cable (LSUA0042) Note: 1) 3 of each are required for servicing.
Page 45 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LSEP3216A Monitor P.C.B. SW1 should be set to "50". LSUA0041 Cover Switch Defeat Cable LSUA0013 Thermistor 2 Defeat Cable 47k ohm Note: Note: A replacement part (LSJA0476, LSJA0551), which is shorted, can be Replacement part (LSJA0533, LSJA0478), to which a 47k ohm used for this service tool.
Page 46: Service Position
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 8.2. Service Position MAIN P.C.B. CHECK It is possible to check the Main P.C.B. and also to check the Front Jack/Operation P.C.B., the Base P.C.B. and the Power P.C.B. by using the Monitor P.C.B. without connecting the Projection Unit.
Page 47 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Note for Service Position (1): 1. It is not necessary to connect the GND Wire of the LVDS Cable when servicing. 2. Any error detect functions such as Fan stop, temperature, etc. are defeated on the Monitor P.C.B.
Page 48 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K POWER P.C.B. CHECK It is possible to check the Power P.C.B. only with no load. Power P.C.B. Service Position No connection Radiation Plate for HOT circuit (HOT GND) TP1502 TP1901 RL1903 RL1902 (foil side) jumper wire...
Page 49 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K SERVICE POSITION (2) LCD DRIVE P.C.B. CHECK, FULL MIRROR ADJUSTMENT & POLARIZER ADJUSTMENT OF PROJECTION UNIT It is possible to adjust the Full Mirror and Polarizer of Projection Unit. The following service tools are required:...
Page 50 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Note for Service Position (3): 1. To improve safety and serviceability, open the Power P.C.B./Power PCB Mount Metal by removing the 6 Screws. 2. Project the picture onto the white screen so that the picture is within the limits of the Screen as shown.
Page 51 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Detailed View for Service Position (2) Note: Take care not to apply excessive pressure to the LCD Panel Flexible Cables when servicing. Relay P.C.B. Relay P.C.B. LCD Panel Flexible Cables LCD Panel Flat Extension Cable...
Page 52 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Detailed View for Service Position (2) LCD Panel Flat Extension Cables CN2705 (No connection) CN2003 CN2001 Fan 1,3 Extension Cable Connect with Connector Cable from Fan 1 CN2701 CN2002 CN2703 CN2501 CN2303 CN2702 CN2301 CN2502...
Page 53 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Detailed View for Service Position (2 Connector Cable from Fan 1 Fan 1,3 Extension Cable To CN2701 on LCD Drive P.C.B Connector Cable from Fan 3 Connector Cable from Fan 2 Fan2 Extension Cable To CN2702 on Fan 1,3 Extension Cable LCD Drive P.C.B...
Page 54: Replacement Procedures For Csp (Chip Size Package) Ic
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 8.3. Replacement Procedures for CSP (Chip Size Package) IC IC Location Make sure to install IC in the correct position on the P.C.B. as shown. Main P.C.B. Head Mark IC5801 IC5002 Head Mark Pin 1 Index...
Page 55 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Temperature Profile for Heat Resistance of CSP IC - IC2001~IC2006 on the LCD Drive P.C.B. The area as indicated with 1 is connected with the LCD Drive C.B.A. with solder for conductive heat sink. <Bottom View>...
Page 56 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K - IC5001 (CSP IC) on the Main P.C.B. <Bottom View> TEMPERATURE PROFILE FOR HEAT RESISTANCE OF THIS IC within 10 sec. 170 ~ 190 C 220 C over 40 ~ 80 sec. 60 ~ 180 sec.
Page 57 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K - IC5002 on the Main P.C.B. <Bottom View> TEMPERATURE PROFILE FOR HEAT RESISTANCE OF THIS IC MAX 10 sec. 220 C MAX 50 sec. 160 ~ 190 C MAX 120 sec. 1 ~ 3 C/sec.
Page 58: Disassembly And Assembly Instructions
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 9 Disassembly and Assembly Instructions 9.1. 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 59 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 60 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 61 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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. Reconnecting is done in the same manner.
Page 62 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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. FROM THE CABINET."...
Page 63 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 64 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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.
Page 65 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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." 2. 1) Open the Power P.C.B/Power PCB Mount Metal by removing the 6 Screws (402, 421).
Page 66 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 67 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 68 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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).
Page 69 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 Screen...
Page 70 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 71 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K (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.
Page 72 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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." 2. 1) Remove the 2 Screws (465) and disconnect Connector CN6801.
Page 73: Projection Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 9.2. Projection Section DISASSEMBLY METHOD FOR PROJECTION UNIT When reassembling, perform the steps in reverse order. Bend, route and dress the wires as they were originally. Note : a. Place a cloth or some other soft material under the P.C. Boards or Unit to prevent damage.
Page 74 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE POWER P.C.B., THE LAMP UNIT, AND THE FAN 3 1. 1) Open the Power P.C.B/Power PCB Mount Metal by removing the 6 Screws (402, 421). 2) Disconnect Connector CN1520 (Thermal Fuse) and release from the clamper.
Page 75 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K CAUTION: High voltage exists on the Power P.C.B. While removing Power P.C.B., do not touch any parts on the board. Hold the edge of the board when removing it. C1810: High voltage generated. (approx. 400 V) How to discharge the capacitor (C1810) on the Power P.C.B.
Page 76 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE LCD DRIVE P.C.B. 1. Remove the Power P.C.B., the Lamp Unit, and the Fan 3. Refer to Steps 1 ~ 3 in "REMOVAL OF THE POWER P.C.B., THE LAMP UNIT, AND THE FAN 3."...
Page 77 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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. Reconnecting is done in the same manner.
Page 78 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE LIGHT IN POLARIZER UNITS 1. Remove the LCD Drive P.C.B. Refer to Steps 1 ~ 6 in "REMOVAL OF THE LCD DRIVE P.C.B." 2. Remove the 3 Joint Piece Units. 3. Remove the Light IN Polarizer Red, Green, Blue Unit by removing the 3 Screws (423).
Page 79 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE LCD/PRISM UNIT, THE PROJECTION LENS UNIT, THE FAN CASE UNIT (FAN 1), THE FAN 2, AND THE COVER SWITCH P.C.B. 1. Remove the LCD Drive P.C.B. Refer to Steps 1~6 in "REMOVAL OF THE LCD DRIVE P.C.B."...
Page 80 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 6. Remove the Duct Unit by removing the 3 Screws (421). 7. Remove the Fan Case Unit by removing the 2 Screws (421). Note: Do not touch the Air Filters. 8. 1) Remove both the Projection Lens Unit and the LCD/Prism Unit by removing the 4 Screws (434).
Page 81 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Reassembly Note for LCD/Prism Unit and Projection Lens Unit: 1. Be sure to install the LCD/Prism Unit and the Projection Lens Unit before installing the Fan Case Unit. Otherwise, the Fan Case Sponge, etc. will not fit properly with the Projection Lens Unit.
Page 82 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE IRIS P.C.B. 1. 1) Disconnect Connectors CN9500, CN9502. 2) Remove the Iris P.C.B. by removing the 3 Screws (421). Iris P.C.B. CN9502 CN9500 Fig. P4...
Page 83 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K REMOVAL OF THE IRIS UNIT 1. Removing the Lamp Side Panel with Lamp Top Panel Lamp Side Panel with Lamp Top Panel CN2301 CN1520 2. Removing the Filter a) Filter Unit Sealing b) Sealing Tape 4...
Page 84 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 4. Removing the Iris Unit Iris Top Cover Unit Iris Sheet Iris Unit CN9700 blades Note: Do not touch or damage the blade of the Iris Unit while handling. 5. Removing the Hall-S P.C.B. CN9701 Hall-S P.C.B.
Page 85: Measurements And Adjustments
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 10 Measurements and Adjustments 10.1. 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 86 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 87 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 88 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 10.2. Adjustment Procedures 2 INITIAL GUIDELINE The table below shows which adjustments are necessary according to the unit parts and individual parts to be replaced. Make sure to perform these adjustments shown below as necessary.
Page 89 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Perform the necessary adjustments in numerical order in each section. Section Step Adjustment Item Input Necessary Equipment Full Mirror Adjustment ·Screwdriver (+)/(-) No signal ·NTSC Video Pattern Generator (VIDEO 1) 100% White Signal Mechanical 100% White Internal pattern...
Page 90 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K WORK MODE AND FACTORY ADJUST MODE Work Mode Map Enter: VOLUME DOWN button + RECALL key (on the front) (on the remote) (for more than 5 seconds in power on condition) DVD key, then RECALL key (on the remote) See next page.
Page 91 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IRIS CONFIRMATION Work Mode Map (Iris Confirmation) Enter: VOLUME DOWN button + RECALL key (on the front) (on the remote) (for more than 5 seconds in power on condition) DVD key, then RECALL key (on the remote)
Page 92 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K TEST EQUIPMENT To do all of these electrical adjustments, the following equipment is required. 1. Dual-Trace Oscilloscope Voltage Range: 0.001 V to 50 V/Div. Frequency Range: DC to 50 MHz Probes: 10:1, 1:1 2. NTSC Video Pattern Generator 3.
Page 93 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K HOW TO READ THE ADJUSTMENT INPUT TERMINAL INFORMATION PROCEDURES Connecting Point Supply NTSC (Test Point) of COLOR BAR SIGNAL Oscilloscope to the Video Adjustment Input Connector component (For models PC Input Terminal ADJ. INPUT with HDMI 2)
Page 94 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MECHANICAL (PROJECTION UNIT) DICHROIC MIRROR GREEN ADJUSTMENT 1. Loosen 2 Screws (A) of the Mirror Holder of the Dichroic ADJUSTMENT SECTION Mirror Green as they can be moved slightly. 2. Insert a Screwdriver (-) into Portion (a) and/or (a’) and...
Page 95 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K FULL MIRROR RED ADJUSTMENT FULL MIRROR BLUE ADJUSTMENT 1. Loosen 2 Screws (B) of the Mirror Holder of the Full 1. Loosen 2 Screws (C) of the Mirror Holder of the Full Mirror Red as they can be moved slightly.
Page 96 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K POLARIZER ADJUSTMENT LIGHT IN POLARIZER GREEN ADJUSTMENT 1. Loosen a Screw (A) of the Light IN Polarizer Green Unit. 2. Move the Light IN Polarizer Green Unit to the right and Note: left so that there is no green tint on the whole screen, Be sure to perform this adjustment after Full Mirror ·...
Page 97 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LCD DRIVE P.C.B. ADJUSTMENT 2. Install the software (1) into the PC (1). Note: SECTION The PC (1) must have a 10-key keyboard. 1) Copy the "LCD Drive Adjustment software (6 items)" SET UP for LCD Drive Adjustment software (Software (1)): folder to any drive.
Page 98 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 6. "Manu" indication will change to "Auto" indication, and "Remote ON" indication will appear. Confirm NUMLOCK is on. If not, turn on NUMLOCK by pressing the NUMLOCK key on the 10-key keyboard. Press 4) The following files will be created on "C:\Program Files\Projector Checker."...
Page 99 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K FAN 1 VOLTAGE ADJUSTMENT FAN 3 VOLTAGE ADJUSTMENT Purpose: Purpose: To set the optimum rotation speed of the Fan 1. To set the optimum rotation speed of the Fan 3. Symptom of Misadjustment: Symptom of Misadjustment:...
Page 100 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K VCOM ADJUSTMENT PROCEDURES: 1. Select "Vcom R Adjust" in software (1) menu by 2( ), 8( ) key on the 10-key keyboard. Purpose: 2. Adjust "Vcom R Adjust" by pressing 4( ), 6( ) key on To set the optimum LCD common voltage.
Page 101 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Rough Adjustment: WHITE BALANCE ADJUSTMENT (Rough adjustment by PC signal : Determined visually) Note: 1. Connect the PC(2) to the PC Input Terminal with the RGB 1. Be sure to perform the White Balance Adjustment Cable.
Page 102 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Fine Adjustment: ALTERNATIVE METHOD FOR WHITE BALANCE ADJUSTMENT INPUT ADJ. Hi Data (PC Input Terminal) 1. Press MENU key in normal condition. Lo Data 50 % White Pattern Signal 2. Press CH UP/DOWN key and select "Picture."...
Page 103 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K POWER ADJUSTMENT REG9V Adjustment After replacing the Power Control 1 P.C.B., perform this adjustment. PROCEDURES: 1. Disconnect all connector cables on the Power P.C.B., then take out the Power P.C.B. from the unit. 2. Solder a jumper between TP1502 and TP1901 on the Power P.C.B.
Page 104 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K TEST POINTS AND LOCATION LCD Drive P.C.B. Pin1 of CN2703 Pin1 of CN2702 LCD Drive Shield Case (GND) Pin1 of CN2701 (Component Side) Power P.C.B. Power Control 1 P.C.B. R1324 Power Radiation Plate Control 2 (HOT GND) P.C.B.
Page 105: Maintenance
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 11 Maintenance 11.1. 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 to the Projection unit.
Page 106 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 107: Block Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 12 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)
Page 108 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 TP1908...
Page 109 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 110 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2) BASE P.C.B. MAIN P.C.B. IC5000 (VIDEO SIGNAL PROCESS) JK3501 VIDEO OUT (VIDEO IN) WF14 TP3111 IC3101 (VIDEO SW) (S-VIDEO IN) WF12 (CPN IN) JK3502 TP3110 WF15 COMPONENT 7-10,13,14,...
Page 111 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 112 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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 WF42 CN2001-3 TP2004 CN2001-(4-15) IC2003,IC2004 (SAMPLING HOLD) (IC2004 PIN49 LINE)
Page 113 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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)
Page 114 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 115 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 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...
Page 116 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 117: Schematic Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13 Schematic Diagrams 13.1. SCHEMATIC DIAGRAM & 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 118: Interconnection Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.2. 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.
Page 119: Main Schematic Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.3. MAIN SCHEMATIC DIAGRAMS MAIN I SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 120 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN II SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 121 Note: VCC (+3.3V) When using the DVI interface, a DVI-HDMI conversion Date Serial number BKSV number cable (e.g., TY-SCH03DH: sold by Panasonic) can be Y DATA 0 4/25/2006 H6AA50050 B03A59CD66 used. 4) Input signal from the HDMI interface. Then, the BKSV Y DATA 1 number will be displayed and switched to new one.
Page 122 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN III SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 123 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IC5000 DETAIL BLOCK DIAGRAM B DATA 5 R DATA 4 B DATA 6 B DATA 7 (+3.3V)VCC CONVERTER CONVERTER 3D Y/C SEPARATION RGB DATA(24BIT) CAP-Y1 NTSC DECODER INPUT CC MIX MATRIX R DATA 6 CAP-Y2 CONVERTER VCC(+3.3V)
Page 124 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN IV SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 125 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K I/O CHART OF IC5001 (1/2) Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description YIC0 DT Y DATA 0 CLKOA...
Page 126 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K I/O CHART OF IC5001 (2/2) Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description YIB9 HDMI Y DATA 9 AD16 DQ29 SDRAM DATA 29 HDMI Y DATA 8 YIB8 AD17 DQ24 SDRAM DATA 24...
Page 127 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN V SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 128 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN VI SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 129 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN VII SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 130 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K I/O CHART OF IC6001 Pin No. Port No. Signal Name Description Pin No. I/O Port No. Signal Name Description Pin No. I/O Port No. Signal Name Description TSTMD1 (Not used) FAN_SOS FAN LOCK DETECT TSTMD0...
Page 131 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN VIII SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 132: Base Schematic Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.4. BASE SCHEMATIC DIAGRAMS BASE I SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 133 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE II SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 134 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE III SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 135 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IC3101 DETAIL BLOCK DIAGRAM IC4002 DETAIL BLOCK DIAGRAM VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH VIDEO SWITCH LOGIC LOGIC VIDEO SWITCH VIDEO SWITCH VCC (+9V) VCC (+9V)
Page 136 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE IV SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 137: Power Schematic Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.5. POWER SCHEMATIC DIAGRAMS POWER I SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 138 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IC1002 / IC1003 / IC1932 DETAIL BLOCK DIAGRAM IC1831 DETAIL BLOCK DIAGRAM DRIVE ZERO CURRENT V-REF DETECTOR LOGIC MULTIPLIER ERROR I/O CHART OF POWER CONTROL 1 P.C.B. (P2 ON POWER P.C.B.) IC1931 DETAIL BLOCK DIAGRAM Pin No.
Page 139 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K POWER II SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTICE: NOTE: For placing a purchase order of the parts, NOTE: NOTE: COMPONENTS IDENTIFIED BY THE SIGN HAVE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED.
Page 140 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K T1501 DETAIL BLOCK DIAGRAM I/O CHART OF POWER CONTROL 2 P.C.B. (CN1401 ON POWER P.C.B.) Pin No. I/O Signal Name Description WF No. AC STOP(OUT) AC STOP (L) AC STOP(IN) AC STOP DETECT (H) High VOLTAGE ADJUST 1 +7.5V CONTROL 1...
Page 141: Lcd Drive Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.6. LCD DRIVE SCHEMATIC DIAGRAM LCD DRIVE I SCHEMATIC DIAGRAM (1/2) NOTE: For placing a purchase order of the parts, NOTE: For placing a purchase order of the parts, NOTE: NOTE: NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT"...
Page 142 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LCD DRIVE I SCHEMATIC DIAGRAM (2/2) NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 143 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K I/O CHART OF IC2503 Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description Pin No. I/O Signal Name Description HSYNC...
Page 144 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IC2504 DETAIL BLOCK DIAGRAM LAMP ON(H)/OFF(L) B DATA LVDS TO TTL G DATA PARALLEL CONVERTER R DATA POWER DOWN(L) V-SYNC H-SYNC IC2504 DETAIL BLOCK DIAGRAM PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16/PT-52LCX66-K/PT-56LCX16-K/PT-61LCX66-K...
Page 145 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LCD DRIVE II SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: For placing a purchase order of the parts, NOTE: NOTE: NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT"...
Page 146 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K I/O CHART OF IC2301 Pin No. Signal Name Description Pin No. I/O Signal Name Description AN3 / PA3 (Not used) LCD_ON_H +15.5V (LCD DRIVE) ON (H) AN4 / PA4 TEMPERATURE DATA3 (FROM THERMISTOR 1 P. C. B.)
Page 147 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LCD DRIVE III SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 148 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K IC2001 / IC2002 / IC2003 / IC2004 / IC2005 / IC2006 DETAIL BLOCK DIAGRAM IC2007 / IC2008 / IC2009 DETAIL BLOCK DIAGRAM SCALE CONTROL CONTROL LOGIC & VCC(+3.3V) DAC LATCH SHUT-DOWN SW STANDBY CONVERTER I-REF VCC (+15.5V)
Page 149 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K LCD DRIVE IV SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 150: Sd Card Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.7. SD CARD SCHEMATIC DIAGRAM SD CARD SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 151: Iris Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.8. IRIS SCHEMATIC DIAGRAM IRIS SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 152: Hall-S Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.9. HALL-S SCHEMATIC DIAGRAM HALL-S SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS MARKED "PT" ARE NOT USED. be sure to use the part number listed in the parts list.
Page 153: Front Jack / Operation Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.10. 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 154: Power Switch / Thermistor 2 / Cover Switch Schematic Diagrams
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.11. 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.
Page 155: Voltage Chart
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 13.12. VOLTAGE CHART NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. MAIN P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 156 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 157 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. BASE P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 158 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. POWER P.C.B. LCD DRIVE P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 159 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 160 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. IRIS P.C.B. POWER SWITCH P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
Page 161: Printed Circuit Board
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14 Printed Circuit Board 14.1. MAIN P.C.B. NOTE: MAIN P.C.B. LSXA0774 (A, B, C) / LSXA0790 (D, E, F, G, H) CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 162 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K MAIN P.C.B. LSXA0774 (A, B, C) / LSXA0790 (D, E, F, G, H) (FOIL SIDE) NOTE: R6152 R1132 Q6009 CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. R6192 R6010 R6151 R6147 D1108 D1117 R6215 R1131 PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 163: Base
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14.2. BASE P.C.B. BASE P.C.B. LSEP3197A (A, B, C) / LSEP3197C (D, E, F, G, H) (SUFFIX (VERSION) NUMBER NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. (COMPONENT SIDE) PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 164 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE P.C.B. LSEP3197A (A, B, C) / LSEP3197C (D, E, F, G, H) (SUFFIX (VERSION) NUMBER NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 165 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE P.C.B. LSEP3197A (A, B, C) / LSEP3197C (D, E, F, G, H) (SUFFIX (VERSION) NUMBER NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. (COMPONENT SIDE) PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 166 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K BASE P.C.B. LSEP3197A (A, B, C) / LSEP3197C (D, E, F, G, H) (SUFFIX (VERSION) NUMBER NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 167: Power P.c.b
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14.3. POWER P.C.B. POWER P.C.B. LSEP1206A1 NOTE: NOTE: NOTE 1: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. WHEN SERVICING POWER P.C.B., DO NOT TURN THE VARIABLE RESISTOR REFER TO BEGINNING OF SCHEMATIC SECTION.
Page 168 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: NOTE: POWER P.C.B. LSEP1206A1 CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 169: Lcd Drive P.c.b
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14.4. LCD DRIVE P.C.B. NOTE: NOTE: MULTILAYER P.C.B. LCD DRIVE P.C.B. LSXA0772 CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS P.C.B. IS Multi-Layer P.C.B. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 170 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K NOTE: LCD DRIVE P.C.B. LSXA0772 NOTE: MULTILAYER P.C.B. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS P.C.B. IS Multi-Layer P.C.B. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
Page 171: Sd Card P.c.b. / Iris P.c.b. / Hall-S
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14.5. SD CARD P.C.B. / IRIS P.C.B. / HALL-S P.C.B. SD CARD P.C.B. LSEP3199A HALL-S P.C.B. LSEP3215A NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED.
Page 172: P.c.b
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 14.6. 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 173: Appendix Information Of Schematic Diagram
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 15 Appendix Information of Schematic Diagram 15.1. CHECKING POINT TABLE OF THE CSP IC CHECKING POINT TABLE Check Point of IC5001 Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No. Remarks...
Page 174 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Check Point of IC2503 Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No. Remarks RIN2 G1OUT3 RIN3 R2509 G1OUT2 R2547 FOIL SIDE FOIL SIDE RIN4 (LOWER) G1OUT1 (LEFT) RIN5 G1OUT0 WF30...
Page 175: Waveform Table
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 15.2. WAVEFORM TABLE WAVEFORM TABLE +13.0Vp-p +76 Vp-p V1 +1.2 Vp-p PIN 7 OF P2 PIN 31 OF CN1401 TP3003 5 µs 20 V 2.5 ms 0.5 V 20 µs WF11 +13.0 Vp-p +76 Vp-p V1 +1.93 Vp-p...
Page 176 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K +3.5 Vp-p +3.5 Vp-p V1 +3.3 Vp-p V2 +340 mVp-p PIN 99 OF IC5000 (RGB IN) CH1 PIN 123-126,129-132 OF IC5805 PIN 2-4,6,7,54-56 OF IC5700 5 ms CH2 PIN 2 OF IC5805 10 µs 200mV 10 µs...
Page 177 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K +3.5 Vp-p +4.0 Vp-p +1.0 Vp-p PIN 41-43,45-47,49,50 OF IC2504 PIN 3 OF IC2002,IC2005 TP2003 25 µs 25 ns 200 mV 10 µs WF31 WF36 WF44 +3.5 Vp-p +3.6 Vp-p +3.3 Vp-p PIN 1-3,5,51,53-55 OF IC2504...
Page 178 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K +4.8 Vp-p +3.4 Vp-p R2557 (UPPER) TP2506 10 ns 5 µs WF49 WF54 +4.8 Vp-p R2564 (UPPER) 10 ns WF50 +5 Vp-p R2571 (LOWER) 10 ns WF51 +3.3 Vp-p TP2505 25 ns WF52 +3.2 Vp-p...
Page 179: Exploded Views (Cabinet Section)
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16 Exploded Views (Cabinet Section) 16.1. MAIN PARTS SECTION...
Page 180 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 181: Base Body Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.2. BASE BODY SECTION...
Page 182: Display Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.3. DISPLAY SECTION...
Page 183 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 184: Screen Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.4. SCREEN SECTION...
Page 185 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K...
Page 186: Projection Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.5. PROJECTION SECTION...
Page 187: Tv Unit Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.6. TV UNIT SECTION (1)
Page 188 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.7. TV UNIT SECTION (2)
Page 189: Packing Parts And Accessories Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 16.8. PACKING PARTS AND ACCESSORIES SECTION...
Page 190: Replacement Parts List (Cabinet Section)
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 17 Replacement Parts List (Cabinet Section) BEFORE REPLACING PARTS, READ THE FOLLOWING: 17.1.3. Electrical Replacement Notes 1. Unless otherwise specified; 17.1. REPLACEMENT NOTES All resistors are in Ω, K = 1,000 Ω, M = 1,000 kΩ.
Page 191: Mechanical Replacement Parts List
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 17.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST LSMG0169 RUBBER WASHER LSVE0017 BASE BODY UNIT ( A,B ) 1 RTL LSVE0020 BASE BODY UNIT ( C ) 1 RTL LSVE0018...
Page 192: Parts List
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks LSMA0924 MAIN P.C.B. MOUNT METAL VZFS0006 CLAMPER LSSC0877 REAR JACK GROUNDING LSLQ0307 FERRITE CORE PLATE,STEEL LSJA0533 CONNECTOR CABLE W/PLUG...
Page 193: Electrical Replacement Parts List
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K INTEGRATED CIRCUITS 17.5. ELECTRICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST IC1100 C0DBAZH00013 IC, LINEAR IC1102 C0DBAZG00034 IC, LINEAR IC1103 C0DBAZG00034 IC, LINEAR IC1104 C0CBCDD00004 IC, LINEAR IC1105 C0CBCBD00008 IC, LINEAR...
Page 194 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K DIODES Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Q5804 2SD1819A0L TRANSISTOR CHIP D,E,F,G,H ) D1100 MA2J11300L DIODE SI CHIP B1ABCF000020 TRANSISTOR CHIP D1101 B0JCPD000026 DIODE SI CHIP...
Page 195 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D5000 MAZ31100ML DIODE ZENER CHIP 11V R1144 ERJ3GEYJ103V MGF CHIP 1/16W 10K D5001 MAZ31100ML DIODE ZENER CHIP 11V R1145...
Page 196 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5033 ERJ3EKF1741V MGF CHIP 1/16W 1.74K R5127 EXB38V820JV ARRAY CHIP 82 R5034 ERJ3GEY0R00V MGF CHIP 1/16W 0 R5128 ERJ3GEYJ560V...
Page 197 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5725 ERJ3GEY0R00V MGF CHIP 1/16W 0 R5875 ERJ3GEYJ330V MGF CHIP 1/16W 33 R5726 ERJ3GEYJ561V MGF CHIP 1/16W 560 R5876...
Page 198 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R6004 ERJ3GEYJ103V MGF CHIP 1/16W 10K R6091 ERJ3GEY0R00V MGF CHIP 1/16W 0 R6007 ERJ3GEYJ333V MGF CHIP 1/16W 33K R6092...
Page 199 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R6197 ERJ3GEYJ103V MGF CHIP 1/16W 10K C3001 ECJ3YF1A106Z C CHIP 10V 10UF R6198 ERJ3GEYJ103V MGF CHIP 1/16W 10K C3002...
Page 200 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5072 F1H1H102A219 C CHIP 50V 1000PF C5150 ECJ1VC1H102J C CHIP 50V 1000PF C5073 F1H1H102A219 C CHIP 50V 1000PF C5151 F1H1C104A041 C CHIP 16V 0.1UF...
Page 201 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5714 F1H1C104A008 C CHIP 16V 0.1UF C5875 F1J0J1060004 C CHIP 6.3V 10UF C5715 F2H0J470A010 ELECTROLYTIC CHIP 6.3V 47UF C5877 F1J0J1060004 C CHIP 6.3V 10UF...
Page 202 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C6112 F1H1H102A219 C CHIP 50V 1000PF L6003 J0JHC0000078 EMI FILTER CHIP C6113 F1H1H102A219 C CHIP 50V 1000PF L6004 J0JHC0000078...
Page 203 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC4501 C0FBAK000019 IC, LINEAR R3502 ERJ3GEY0R00V MGF CHIP 1/16W 0 IC4503 C0JBAB000620 IC, LOGIC E.S.D. R3503 ERJ3GEY0R00V MGF CHIP 1/16W 0...
Page 204 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R4041 ERJ3GEYJ102V MGF CHIP 1/16W 1K C3128 ECJ1VF1C105Z C CHIP 16V 1UF R4042 ERJ3GEYJ102V MGF CHIP 1/16W 1K C3129...
Page 205 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks 17.5.3. POWER SWITCH P.C.B. C4511 ECJ1VC1H100C C CHIP 50V 10PF TRANSISTORS C4512 F1K1H1050002 C CHIP 50V 1UF Ref. Part No. Part Name & Description Remarks C4513 F1K1H1050002...
Page 206 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K COILS 17.5.6. THERMISTOR 2 P.C.B. Ref. Part No. Part Name & Description Remarks RESISTOR L3901 ERJ3GEY0R00V MGF CHIP 1/16W 0 Ref. Part No. Part Name & Description Remarks L3902 ERJ3GEY0R00V MGF CHIP 1/16W 0 L3903...
Page 207: Exploaded Views (Projection Section)
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 18 Exploaded Views (Projection Section) 18.1. PROJECTION SECTION...
Page 208: Optical Unit Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 18.2. OPTICAL UNIT SECTION...
Page 209: Optical Iris Unit Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 18.3. OPTICAL IRIS UNIT SECTION...
Page 210: Power Unit Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 18.4. POWER UNIT SECTION...
Page 211: Packing Parts Section
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 18.5. PACKING PARTS SECTION...
Page 212: Replacement Parts List (Projection Section)
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 19 Replacement Parts List (Projection Section) BEFORE REPLACING PARTS, READ THE FOLLOWING: 19.1.3. Electrical Replacement Notes 1. Unless otherwise specified; 19.1. REPLACEMENT NOTES All resistors are in Ω, K = 1,000 Ω, M = 1,000 kΩ.
Page 213: Mechanical Replacement Parts List
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 19.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST LSMA0949 AL MASK LSXA0754 IRIS TOP COVER UNIT LSXA0755 IRIS BOTTOM COVER UNIT *Refer to “Replacement Note for Iris Bottom Cover Unit”...
Page 214: Optional Accessory Replacement Parts List
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks 19.3. OPTIONAL ACCESSORY Q1601 B1CFDF000004 TRANSISTOR FET REPLACEMENT PARTS LIST Q1602 B1CFDF000004 TRANSISTOR FET Q1801 B1CARQ000001 TRANSISTOR FET 19.3.1. LAMP UNIT Q1802 2SD0601ARL TRANSISTOR SI NPN CHIP...
Page 215 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D1997 MAZ41500MF DIODE ZENER 15V R1539 ERJ6ENF1102V MGF CHIP 1/10W 11K D1998 MAZ41500MF DIODE ZENER 15V R1544 ERJ6GEYJ101V MGF CHIP 1/10W 100...
Page 216 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1950 ERJ6GEYJ102V MGF CHIP 1/10W 1K C1905 F2A1V1510021 ELECTROLYTIC 35V 150UF R1951 EVMAASA00B23 VARIABLE 2K C1908 ECJ2VB1H102K C CHIP 50V 1000PF...
Page 217 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K TRANSFORMER DIODES Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks T1302 G4D1A0000098 TRANSFORMER SWITCHING D2301 MA2J111008 DIODE SI CHIP T1401 G4D3A0000192 TRANSFORMER SWITCHING B0ACCK000005 DIODE SI CHIP...
Page 218 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2065 ERJ3GEYJ220V MGF CHIP 1/16W 22 R2302 ERJ3GEY0R00V MGF CHIP 1/16W 0 R2066 ERJ3GEYJ220V MGF CHIP 1/16W 22 R2303...
Page 219 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2405 ERJ3GEYJ473V MGF CHIP 1/16W 47K R2560 ERJ3GEYJ101V MGF CHIP 1/16W 100 R2406 ERJ3GEYJ473V MGF CHIP 1/16W 47K R2561...
Page 220 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2025 ECJ1VF1E104Z C CHIP 25V 0.1UF C2100 F2H0J220A010 ELECTROLYTIC CHIP 6.3V 22UF C2026 ECJ1VF1E104Z C CHIP 25V 0.1UF C2105 ECJ1VF1E104Z C CHIP 25V 0.1UF...
Page 221 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K PIN HEADERS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2714 F1H1C104A008 C CHIP 16V 0.1UF CN2001 K1MY36BA0006 CONNECTOR 36P C2715 F1H1C104A008 C CHIP 16V 0.1UF CN2002...
Page 222 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D9502 MA3X152E0L DIODE SI CHIP C9511 ECJ1VC1H070C C CHIP 50V 7PF D9503 MA3X152E0L DIODE SI CHIP C9512 ECJ1VC1H070C C CHIP 50V 7PF...
Page 223 PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K 19.4.8. ELECTRICAL PARTS LOCATED ON CHASSIS FUSE & PROTECTOR Ref. Part No. Part Name & Description Remarks F001 LSJA0583 THERMAL FUSE UNIT...

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