Panasonic PT-44LCX65-K Service Manual
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Panasonic PT-44LCX65-K Service Manual

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Multi Media Display
PT-44LCX65-K
PT-52LCX65-K
PT-61LCX65-K
© 2005 Panasonic Shikoku Electronics Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MKE0505852C1
Unauthorized
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  • Page 1 ORDER NO. MKE0505852C1 Multi Media Display PT-44LCX65-K PT-52LCX65-K PT-61LCX65-K © 2005 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CONTENTS Page Page 1 SAFETY PRECAUSIONS 13.2. BASE C.B.A. 1.1. GENERAL GUIDELINES 13.3. POWER C.B.A. 1.2. LEAKAGE CURRENT COLD CHECK 13.4. BALLAST C.B.A. 1.3. LEAKAGE CURRENT HOT CHECK 13.5. LCD DRIVE C.B.A. 1.4. UV-PRECAUTION 13.6. CARD C.B.A.

  • Page 3: Safety Precausions

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K the limits specified, there is a possibility of shock hazard, 1 SAFETY PRECAUSIONS and the receiver should be repaired and rechecked before it is returned to the customer. 1.1. GENERAL GUIDELINES 1. For continued safety, no modification of any circuit should be attempted.

  • Page 4: Electrostatically Sensitive (Es) Devices

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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 transistors and semiconductor "chip"...

  • Page 5: About Lead Free Solder (Pbf)

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3 ABOUT LEAD FREE SOLDER (PbF)

  • Page 6: Service Notes

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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.
  • Page 7 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K MAIN PARTS LOCATION <Front View> POWER LED TEMP LED LAMP LED Operation C.B.A. Lamp Cover Optical Cover Front Cover Unit <Rear View> Projection Unit & Top Duct 3 Thermistor 2 C.B.A. Cover Switch C.B.A. Thermal Thermistor 1 C.B.A.

  • Page 8: Service Mode

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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) (for more than 5 seconds in power off condition)
  • Page 9 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 1. Press and hold the VOLUME DOWN button on the unit and *5: Key detection (IR and Unit operation button) check the TV/VIDEO key on the remote for more than 5 seconds Note: in power off condition. The unit will go into Service Mode.
  • Page 10 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K *8: Communication check for IIC bus on the Main C.B.A. Note: To release from any service mode, press the POWER (Communication check for I C bus) button off. Ignore IC6003 IC6007 IC6003 TUNER I C 6 0 0 5 : 1...
  • Page 11 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC6003 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) LAMP_LED_H LAMP LED ON (H)
  • Page 12 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K BEFORE REMOVING THE MAIN C.B.A. OR WHEN REINSTALLING THE MAIN C.B.A. THE TV UNIT FROM THE UNIT AT THE OR THE TV UNIT INTO THE UNIT AT THE USE’S LOCATION USER’S LOCATION CAUTION: Note: 1. Set CURRENT LAMP value to original value as follows.
  • Page 13 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REPLACEMENT OF LAMP Lamp Replacement Procedure: 1. Press the POWER button to turn off the power. 2. Wait for about 1 minute until the cooling fan stops. Lamp Time Reset Procedure: Note: Be sure to reset the Lamp time to "0" after replacing the new The lamp cooling fan will continue to operate for about 1 Lamp.

  • Page 14: Cleaning Method

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CLEANING METHOD THE FILTER ON THE PROJECTION UNIT CAUTION: THE SCREEN UNIT AND THE MIRROR Operating with torn or damaged Air Filter may cause damage THE SCREEN UNIT (Lenticular Screen, Fresnel Lens) to the Projection unit.
  • Page 15 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K TO DISTINGUISH THE PROJECTION TO READ THE DIGITAL TUNER (PEAKS) LENS UNIT OR THE PROJECTION UNIT SOFTWARE VERSION AND TV MICROCONTROLLER SOFTWARE The only difference between the 44 inch model, the 52 inch VERSION model and the 61 inch model of the Projection Unit is the Projection Lens.
  • Page 16 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 C.B.A. The lamp cooling fan will continue to operate for approximately If the secret code of V-chip is forgotten.
  • Page 17 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K WORK MODE, FACTORY ADJUST MODE, CAT 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) C - C O R / G A M / W - B A L...
  • Page 18 3) Connect the HDMI interface to the HDMI input terminal. Note: When using the DVI interface, a DVI-HDMI conversion cable (e.g., TY-SCH03DH: sold by Panasonic) can be used. 4) Input signal from the HDMI interface. Then, the BKSV number will be displayed and switched to new one.
  • Page 19 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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. Speaker Connectors P6005 (From Operation C.B.A.)
  • Page 21 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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...
  • Page 22 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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...
  • Page 23 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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. P2302 P2902 (From Thermistor 1 C.B.A.)
  • Page 24 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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. P3903...
  • Page 25 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K IC INFORMATION IC2001, IC2002, IC2003, IC2505, IC5301, IC5805 LOCATION Make sure to install IC in the correct position on the CBA as shown. Main C.B.A. Head Mark 1 Pin Index IC5805 IC5301 (Component Side) LCD Drive C.B.A.
  • Page 26 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K - IC2001, IC2002, IC2003 on the LCD Drive C.B.A. The area as indicated with 1 is connected with the LCD Drive C.B.A. with solder for conductive heat sink. <Bottom View> (IC Removal hint) • Use the Blower (heat up) from the top to remove.
  • Page 27 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K - IC5301 (CSP IC) on the Main C.B.A. <Bottom View> TEMPERATURE PROFILE FOR HEAT RESISTANCEOF THIS IC within 10 sec. 170 ~ 190 C 220 C over 40 ~ 80 sec. 60 ~ 180 sec.

  • Page 28: Service Position

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 5 SERVICE POSITION Service Position Purpose Service Position (1) Main C.B.A. check Front Jack C.B.A., Rear Jack C.B.A., Power C.B.A., Main C.B.A., Base C.B.A. check Service Position (2) LCD Drive C.B.A. check Service Position (3)
  • Page 29 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Note for Service Position (1): 1. In this Position, check and service must be done in the Work Mode without the Digital Tuner C.B.A. installed. Also, after Work Mode is entered, wait approx. 10 seconds until operation stabilizes.
  • Page 30 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K POWER C.B.A. CHECK It is possible to check the Power C.B.A. only with no load. Relay: RL801 TP811 RL801 jumper wire TP810 Power C.B.A. (Component Side) connection To AC outlet AC Cord <Power C.B.A.> Fig. S1-4 Refer to "CHECKING THE POWER C.B.A."...
  • Page 31 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K SERVICE POSITION (2) LCD DRIVE C.B.A. CHECK It is possible to check the LCD Drive C.B.A. without connecting the Projection Unit and the Ballast C.B.A. The following service tools are required: Cover Switch Defeat Cable (LSUA0041)
  • Page 32 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K SERVICE POSITION (3) FULL MIRROR ADJUSTMENT & POLARIZER ADJUSTMENT OF PROJECTION UNIT It is possible to adjust the Full Mirror and Polarizer of Projection Unit. The following equipment is required: The following service tools are required:...

  • Page 33: White Screen

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Note for Service Position (3): 1. Tighten the 2 Screws on the Ballast C.B.A. to secure with the Projection Unit for stability. 2. Project the picture onto the white screen so that the picture be within the limits of the Screen as shown.
  • Page 34 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Detailed View for Service Position (3) Note: Take care not to apply excessive pressure to the LCD Panel Flexible Cables when servicing. Relay P.C.B. LCD Panel Flexible Cables Relay P.C.B. LCD Panel Flat Extension Cable...
  • Page 35 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Detailed View for Service Position (3) Connect with Connector Cable from Fan 1 LCD Panel Flat Extension Cables Fan 1,3 Extension Cable Thermistor 1 Defeat Cable P2001 P2003 P2302 Connect with P2902 Connector Cable P2002...
  • Page 36 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Detailed View for Service Position (3) Connector Cable from Fan 1 Fan 1,3 Extension Cable To P2902 on LCD Drive C.B.A. Fan2 Extension Cable Connector Cable from Fan 2 To P2903 on LCD Drive C.B.A.
  • Page 37 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Detailed View for Service Position (3) Connector Cable from Base C.B.A Power Extension Cable To P2901 on LCD Drive C.B.A. Fig. S3-5...
  • Page 38 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K SERVICE POSITION (4) BALLAST C.B.A. CHECK It is possible to check the Ballast C.B.A. The following original parts are not connected: Ballast Shield Case Top CAUTION: Ballast Shield Case Bottom Make sure that the Thermal Fuse Unit...
  • Page 39 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Detailed View for Service Position (4) Ballast P.C.B. TP1301 No connection TP1303 Lamp Connector TP1302 TP1304 P1305 P1301 (Foil Side) To P807 on To P3007 on To P1001 on Power C.B.A. Base C.B.A. Power C.B.A.
  • Page 40 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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. 2) Extension Cable-5 which was included in the 2002 model checker can be used for Relay P.C.B. (LSEP3112A) and LCD Panel Flat Extension Cable (LSUA0042).
  • Page 41 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K LSEP3164A Converter P.C.B. LSUA0054 Extension Cable 8P Note: 8-pin Connector Cable (LSJA0530) which was used in PT-43/50/60LC14-K model can be used for this service tool. LSEP3102A Monitor P.C.B. LSUA0041 Cover Switch Defeat Cable Note: A replacement part (LSJA0476, LSJA0551), which is shorted, can be used for this service tool.

  • Page 42: Disassembly/Assembly Procedures

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 6 DISASSEMBLY/ASSEMBLY PROCEDURES 6.1. 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 C.B.A. 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 C.B.A., THE POWER C.B.A., THE MAIN...
  • Page 43 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE BALLAST C.B.A. AND THE PROJECTION UNIT FROM THE CABINET 1. (PT-44LCX65-K/PT-52LCX65-K) Remove the Rear Cover by removing the 18 (or 21: PT-52LCX65-K) Screws (401, 454) then pinching the 4 latch tabs. (PT-44LCX65-K)
  • Page 44 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 2. 1) Disconnect Connectors P1301, P1302, P1305, P2501 (20-pin Cable), P2901, P2904. Note: Take extreme care not to damage the 20-pin Cable when disconnecting. 2) Remove the 5 Screws (401) and the 3 Screws (402).
  • Page 45 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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). Lamp Hook Connector P1306 Ballast C.B.A.

  • Page 46: Projection Unit

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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.
  • Page 47 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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."...
  • Page 48 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. 1) Remove the DTV Jack Holder by removing the Screw (402). 2) Disconnect Connector DT10. 3) Remove the Digital Tuner C.B.A. by removing the 5 Screws (480). (BtoB Connector DT12 is disconnected.) TV Unit...
  • Page 49 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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-K) or the 5 (PT-61LCX65-K) Screws (401) from rear side, and remove the Display.
  • Page 50 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. 1) Remove the Front Cover Unit from the latches. 2) Remove the Side Cover L/R Unit by removing the 6 (or 8: PT-52LCX65-K/PT-61LCX65-K) Screws (401, 454). (PT-52LCX65-K/PT-61LCX65-K) Base Body Unit Side Cover L Unit...
  • Page 51 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE FRONT JACK C.B.A., THE CARD C.B.A., THE REAR JACK C.B.A., 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 on the Main C.B.A.
  • Page 52 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. 1) Release the AC 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.
  • Page 53 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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).
  • Page 54 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 5. 1) Remove the 2 Screws (402). Then, pull off the Main C.B.A. 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). 20-pin Cable Main C.B.A.
  • Page 55 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 6. Remove the Base C.B.A. by removing the 4 Screws (479) then releasing the clampers. Base C.B.A. Clampers P.C.B. Base Angle Fig. D4-5...
  • Page 56 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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. (PT-44LCX65-K/PT-52LCX65-K) Remove the Screen Unit by removing the 16 Screws (401).
  • Page 57 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K (PT-61LCX65-K) Remove the Screen Unit by removing the 17 Screws (401). Screen Unit Fig. D5-2-2...
  • Page 58 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. (PT-44LCX65-K/PT-52LCX65-K) 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. Lenticular Screen Screen Unit...
  • Page 59 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K (PT-61LCX65-K) 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. Lenticular Screen Screen Angle V Unit...
  • Page 60 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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-44LCX65-K/PT-52LCX65-K) 1) Remove the 2 Mirror Holder H and the 2 Mirror Holder V Unit (PT-52LCX65-K) by removing the 4 (or 8: PT-52LCX65-K) Screws (401).
  • Page 61 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K (PT-61LCX65-K) 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 fall down when removing.
  • Page 62 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE OPERATION C.B.A. FROM THE CABINET 1. Remove the Display and the Front Cover Unit. Refer to Step 1 ~ 2 in "REMOVAL OF THE BASE BODY UNIT." 2. 1) Disconnect Connector P6701.
  • Page 63 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE BALLAST SHIELD CASE TOP AND THE BALLAST SHIELD CASE BOTTOM 1. Remove the Ballast C.B.A. Refer to Steps 1~3 in "REMOVAL OF THE BALLAST C.B.A. AND THE PROJECTION UNIT FROM THE CABINET."...

  • Page 64: Projection Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 6.2. PROJECTION SECTION PROJECTION SECTION DISASSEMBLY METHOD OF PROJECTION UNIT When reassembling, perform the step (s) in the 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 65 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE LCD DRIVE C.B.A. 1. Peel the Seal Tape 4. Top Duct 2 Unit Seal Tape 4 Top Duct 1 Unit View A Fig. P1-1 2. Remove the Top Duct 2 Unit by removing the 4 Screws (421).

  • Page 66: Air Filter

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE LIGHT IN POLARIZER UNITS 1. Remove the LCD Drive C.B.A. Refer to Steps 1~7 in "REMOVAL OF THE LCD DRIVE C.B.A." 2. Remove the 3 Joint Piece Units. 3. Remove the Light IN Polarizer Red, Green, Blue Unit by removing the 3 Screws (423).
  • Page 67 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE LCD/PRISM UNIT, PROJECTION LENS UNIT, FAN CASE UNIT (FAN 1), FAN 2 1. Remove the LCD Drive C.B.A. Refer to Steps 1~7 in "REMOVAL OF THE LCD DRIVE C.B.A." 2. Remove the Engine Frame by removing the 8 Screws (421).
  • Page 68 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. Remove the Duct Unit by removing the 3 Screws (421). Note: The Joint Piece Unit may be come off when placing down the Optical Block Unit. 4. Remove the Fan Case Unit by removing the 2 Screws (421).
  • Page 69 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 6. Remove the LCD/Prism Unit from the Projection Lens Unit by removing the 4 Screws (423). Projection Lens Unit LCD/Prism Unit Fig. P3-3 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.
  • Page 70 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K REMOVAL OF THE P/S CONVERTER, THE FIELD LENS, THE RELAY LENS, THE CONDENSER LENS, THE FULL MIRRORS, THE DICHROIC MIRRORS, AND THE INTEGRATOR 1. Remove the LCD Drive C.B.A. Refer to Steps 1~7 in "REMOVAL OF THE LCD DRIVE C.B.A."...
  • Page 71 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Reassembly Note for Mirror Holder: After installing the Optical Top Unit, be sure to install the Mirror Holders to set the Full Mirror Red, Blue, and the Dichroic Mirror Green in correct position as shown.
  • Page 72 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 6. Location of Cushions <Optical Top Unit> Cushions Cushions Cushion Cushion Cushions Cushions <Optical Bottom Unit> Cushions Cushions Cushions Cushions Cushions Cushion Cushion Cushion <Side View> Full Mirror Red, Blue, Dichroic Mirror Red, Green Fig. P5-5 Note: When installing the optical components, take care not to trap the cushions under the components.

  • Page 73: Service Fixtures And Tools

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 7 SERVICE FIXTURES AND TOOLS SERVICE FIXTURES 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 74 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K LSEP3164A Converter P.C.B. LSUA0054 Extension Cable 8P Note: 8-pin Connector Cable (LSJA0530) which was used in PT-43/50/60LC14-K model can be used for this service tool. LSEP3102A Monitor P.C.B. LSUA0041 Cover Switch Defeat Cable Note: A replacement part (LSJA0476, LSJA0551), which is shorted, can be used for this service tool.

  • Page 75: Adjustment Procedures

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 8 ADJUSTMENT PROCEDURES 1 WHEN REINSTALLING THE PROJECTION 4. 1) Then, press and hold the VOLUME DOWN button on the unit and the SWAP key on the remote for more than UNIT OR THE BASE BODY UNIT INTO 1 second.
  • Page 76 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K a. Mechanical Picture Position Adjustment (Tilt) b. Focus Adjustment 1) Loosen the 4 Screws on the Projection Unit. 1) Confirm that each of the pixels in the nine portions is clearly visible. Projection Lens O P T...
  • Page 77 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 78: Adjustment Procedures

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 9 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 79 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Perform the necessary adjustments in numerical order in each section. Section Step Adjustment Item Necessary Equipment Input Full Mirror Adjustment ·Screwdriver (+)/(-) No signal ·NTSC Video Pattern Generator 100% White Signal (VIDEO 1) Mechanical Polarizer Adjustment ·Screwdriver (+)
  • Page 80 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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) C - C O R / G A M / W - B A L...
  • Page 81 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 82 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 ADJ. INPUT TP3602 R3662 (Video input Connector) NTSC Color Bar Signal...
  • Page 83 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K FULL MIRROR ADJUSTMENT DICHROIC MIRROR GREEN ADJUSTMENT 1. Loosen 2 Screws (A) of the Mirror Holder of the Dichroic Mirror Green as they can be moved slightly. Purpose: 2. Insert a Screwdriver (-) into Portion (a) and/or (a’) and To set the Full Mirror in the proper position.
  • Page 84 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 85 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 86 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 1. FAN1, FAN2, FAN3, VCOM, WHITE 2. Install the software (1) into the PC (1). Note: BALANCE ADJUSTMENT The PC (1) must have a 10-key keyboard. 1) Copy the "LCD Drive Adjustment software (6 items)"...
  • Page 87 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 88 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 89 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K VCOM ADJUSTMENT 1. Select "Vcom R Adjust" in software (1) menu by 2( ), 8( ) key on the 10-key keyboard. 2. Adjust "Vcom R Adjust" by pressing 4( ), 6( ) key on Purpose: the 10-key keyboard so that there are no flicker on the To set the optimum LCD common voltage.

  • Page 90: White Balance Adjustment

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K (Rough adjustment by video signal : Judged by eye) WHITE BALANCE ADJUSTMENT 1. Connect the NTSC Video Pattern Generator to the VIDEO Input 1 Terminal. Note: 2. Set to VIDEO 1 mode by pressing TV/VIDEO key on the 1.
  • Page 91 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Fine Adjustment: INPUT ADJ. White Balance (PC Input Terminal) R-Level 100 50 % White Pattern Signal White Balance 100 % White Pattern Signal B-Level 100 EQUIPMENT SPECIFICATION PC(1)/(2), Test Pattern Signal, Refer to Description below...
  • Page 92 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 2. GAMMA ADJUSTMENT (Compensation by transmitting gamma data) Note: When replacing the LCD Drive C.B.A., the LCD/Prism Unit or IC2301 (32k EEPROM), confirm that the color of the entire screen. If NG, perform this adjustment.
  • Page 93 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to transfer the gamma data using the 5. Select desired gamma data of "MMD2003GAMMA" folder (MMD2003GAMMA 1-5). Then, double click the software (2): 1st, 2nd, 3rd, 4th, 5th and 6th files in order. 1. Execute the "SCE2.EXE" file by double clicking. The start-up menu will appear.
  • Page 94 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K <Gamma data table> color <on screen> data folder MMD2003GAMMA 2 Case1 reddish (6 files) MMD2003GAMMA 3 Case2 yellowish (6 files) MMD2003GAMMA 4 Case3 bluish (6 files) Case4 greenish MMD2003GAMMA 5 (6 files)
  • Page 95 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 3. NON-UNIFORMITY COLOR CORRECTION (Compensation by transmitting color correction data) Note: When replacing the LCD Drive C.B.A., the Optical Block Unit, the LCD/Prism Unit or IC2301 (32k EEPROM), confirm the color uniformity on the screen. If the non-uniformity color appears, perform this correction.
  • Page 96 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to transfer the csv data (correction data) using the software (3): 1. Execute the "Iromura mmd2002.exe" file by double click. 2. Select "Open" on File menu. 3. Select the desired csv data file (MMD2003000_data.csv, MMD2003001_1data.csv, etc.). The following dialog will appear.
  • Page 97 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K <Correction data table> Non-uniform color <on screen> color level csv data file uniformity MMD2003000_data.csv Case1 gray color greenish magenta dense MMD2003001_1data.csv Case2 denser MMD2003001_2data.csv gray densest MMD2003001_3data.csv magenta greenish magenta greenish dense MMD2003002_1data.csv Case3 gray denser MMD2003002_2data.csv...
  • Page 98 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K TEST POINTS AND LOCATION LCD Drive C.B.A. Pin1 of P2904 Pin1 of P2903 TP2908 TP2909 LCD Drive Shield Case (GND) TP2901 (GND) TP2907 Pin1 of P2902 (Component Side) Test Point Information Test Point with a Test Pin.

  • Page 99: Troubleshooting Hints

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 10 TROUBLESHOOTING HINTS 10.1. TROUBLESHOOTING HINTS FOR BLOCK LEVEL REPAIR MAIN PARTS LOCATION <Front View> POWER LED TEMP LED LAMP LED Operation C.B.A. Lamp Cover Optical Cover Front Cover Unit <Rear View> Projection Unit & Top Duct 3 Thermistor 2 C.B.A.
  • Page 100 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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...
  • Page 101 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to solve the problem indicated by the Error Indication of LED (All 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.
  • Page 102 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 103 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K No picture or abnormal picture ABNORMAL PICTURE: No Color Picture (Black and White picture) Abnormal Color Picture No Synchronization Picture Dark Picture Check that there is no picture or abnormal picture on the screen from all input terminals.
  • Page 104 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 C.B.A.). Terminal from all input terminals.

  • Page 105: Troubleshooting Hints For Component Level

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 10.2. TROUBLESHOOTING HINTS FOR COMPONENT LEVEL REPAIR MAIN PARTS LOCATION <Front View> POWER LED TEMP LED LAMP LED Operation C.B.A. Lamp Cover Optical Cover Front Cover Unit <Rear View> Projection Unit & Top Duct 3 Thermistor 2 C.B.A.
  • Page 106 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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...
  • Page 107 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to solve the problem indicated by the Error Indication of LED (Key symptom: Lamp does not light up or lights up but then goes out.) Note: Before performing the troubleshooting, confirm that all connector cables in the unit are connected to connectors correctly.
  • Page 108 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to solve the problem indicated by the Error Indication of LED Error No. Problem Possible Solution Mis-installed Lamp Cover (the Lamp Cover is open). Tighten the screw of the Lamp Cover Unit. Still NG Check if the voltage at Pin 19 of IC6003 on the Main C.B.A.
  • Page 109 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to solve the problem indicated by the Error Indication of LED Error No. Problem Possible Solution 1. Low voltage on +17V line for the LCD Drive C.B.A. 1. Low voltage on +17V line for the LCD Drive C.B.A.
  • Page 110 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K How to solve the problem indicated by the Error Indication of LED Error No. Problem Possible Solution The Temperature Sensor (R2821) on the Thermistor 2 1. Confirm that all connector cables are connected to the connectors correctly.
  • Page 111 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 112 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CHECKING THE POWER C.B.A. Disconnect all connector cables on the Power C.B.A., then take out the Power C.B.A. from the unit. Refer to Power C.B.A. Service Position, Figure 1. Check the following parts on the Power C.B.A. with the Tester.
  • Page 113 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Power C.B.A. Service Position Relay: RL801 TP811 RL801 jumper wire TP810 Power C.B.A. (Component Side) connection To AC outlet AC Cord <Power C.B.A.> TP1007 5.2 Vp-p TP1008 Pin2 Pin30 TP1008 P1006 5 ms Power C.B.A. (Foil Side) <Waveform between Pin2 and Pin30 at P1006>...
  • Page 114 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CHECKING THE BALLAST C.B.A. Note: When servicing the Ballast C.B.A., do not turn the Variable resistor (R1321) on the Ballast C.B.A. Check the resistance of the Thermal Fuse Unit (F001) Replace the Thermal Fuse Unit (F001).
  • Page 115 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ballast C.B.A. Service Position Plug in the AC Cord and turn the power ON. Is there a slight crackling sound from the Ballast P.C.B. Unplug the AC Cord and plug it in again. after approx. 5 seconds? Turn the power ON.
  • Page 116 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ballast C.B.A. Service Position Is the voltage between TP1303(+) and TP1304(-) Unplug the AC Cord and plug it in again. approx. 19V while the Power LED (D6701) is flashing Turn the power ON. green? Is the signal (LAMP ON(H)) between Pin 2 and Pin 4 of...
  • Page 117 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ballast Shield Case Top Ballast Shield Case Bottom Spacer Spacer Spacer Note: When servicing the Ballast C.B.A., do not turn the Variable resistor (R1321) on the Ballast C.B.A. No connection No connection No connection Note:...
  • Page 118 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CAUTION: Ballast C.B.A. Service Position Make sure that the Thermal Fuse Unit (F001) does not touch any metallic parts when the Thermal Fuse Unit is not LCD Drive C.B.A. installed to this original position. Thermal Fuse Unit...
  • Page 119 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CHECKING THE TV UNIT Pull out the TV Unit from the unit with all connector cables connected as they are. Refer to TV Unit Service Position, Figure 4. Plug in the AC Cord and turn the power ON.
  • Page 120 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K TV Unit Service Position Ballast C.B.A. TV Unit TP1120 TP1117 TP1116 TP1118 TP1119 Base C.B.A. Figure. 4...
  • Page 121 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Base C.B.A. Service Position Base C.B.A. TP1117 TP1120 TP1116 TP1118 TP1119 Figure. 5...
  • Page 122 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Base C.B.A. & Power C.B.A. Service Position connection connection jumper wire jumper wire TP1102 TP1103 TP1104 connection outlet Base C.B.A. (Component Side) AC Cord <Power C.B.A. & Base C.B.A.> Figure. 6...

  • Page 123: Block Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 11 BLOCK DIAGRAMS OVERALL BLOCK DIAGRAM REAR JACK C.B.A. BASE C.B.A. IC4003,4004 P3501 P3002 IC4001 IC4201 IC4502 IC4501 COMPONENT IC4002 P4503 SPEAKER-R AUDIO IN 1 (L/R) SOUND AUDIO COMPONENT AUDIO IN 2 (L/R) PROCESSOR COMPONENT...
  • Page 124 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K POWER SUPPLY BLOCK DIAGRAM POWER C.B.A. BASE C.B.A. MAIN C.B.A. DIGITAL TUNER C.B.A. TP1007 T1001 TP1009 +16V F801 F1001 6.3A 125V/250V L802 L803 L1001 D1002 -16V 5A 125V/250V PR1004 (+16V) P804-1 P1006-5,6,7 P1101-5,6,7 TP1111 TP1116...
  • Page 125 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2) REAR JACK C.B.A. BASE C.B.A. MAIN C.B.A. JK3502 IC5004 (MAIN VIDEO SIGNAL PROCESS) VIDEO OUT P3501-29 P3002-29 10,21,30,75,88,114, GC3FM_s IC3001 (VIDEO SW) 123,135 +2.5V JK3503 COMPONENT 1,12,23,32,73,90, P3501-27...
  • Page 126 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2) MAIN VIDEO SIGNAL SUB VIDEO SIGNAL VIDEO SIGNAL(MAIN/SUB) CARD Y/PB/PR SIGNAL IC5301 (VIDEO SIGNAL PROCESS) IC5304 (64M MEMORY) <FOR SCALER(720p COVERTER)> <CLOCK(129MHz)> E1,E2,E4, F1-F5,G2-G4 Y22-Y25,AA23-AA26,AB18,AB19,AC22, DATA BUS(32BIT) FIFO...
  • Page 127 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K VIDEO SIGNAL PATH II BLOCK DIAGRAM VIDEO SIGNAL(MAIN/SUB) LCD DRIVE C.B.A. LCD(R) IC2503 (LVDS RECEIVER) IC2505 (SIGNAL PROCESS FOR LCD PANEL) +15.5V P2001-1 P2001-2 WF121 P2001-3 TP2001 P2001-4 IC2002 (SAMPLING HOLD) WF108 (IC2002 PIN29 LINE)
  • Page 128 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K AUDIO SIGNAL PATH BLOCK DIAGRAM AUDIO SIGNAL MAIN C.B.A. BASE C.B.A. HDMI AUDIO (R) FROM VIDEO I BLOCK DIAGRAM HDMI AUDIO (L) IC4101 (SW) IC4002 IC4001 IC4201 IC4502 IC4501 (SW) (OP AMP) (SOUND PROCESSOR) (OP AMP)
  • Page 129 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K SYSTEM CONTROL BLOCK DIAGRAM BASE C.B.A. MAIN C.B.A. DIGITAL TUNER C.B.A. P5301-35 DT12-35 I2C SERIAL CLOCK1 P5301-34 DT12-34 I2C SERIAL DATA1 P5301-32 DT12-32 I2C SERIAL CLOCK2 IC6003 (MAIN MICROCONTROLLER) P5301-33 DT12-33 I2C SERIAL DATA2 IC4201 (SOUND PROCESSOR)
  • Page 130 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K OPTICAL BLOCK DIAGRAM SCREEN Blue Light Path Blue Light Path Green Light Path Green Light Path MIRROR Red Light Path Red Light Path PROJECTION UNIT PROJECTION LENS LIGHT IN POLARIZER LIGHT IN LIGHT IN BLUE...
  • Page 131 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K SIGNAL WAVEFORMS (Input: Color Bar Signal) +14.0 Vp-p +17.5 Vp-p +3.2 Vp-p +1.4 Vp-p V1 +1.1 Vp-p V1 +1.2 Vp-p PIN7 OF IC5004 PIN 2 OF U1301 PIN 30 OF U1301 PIN40 OF IC5103 20 µs 2 ms 10 µs...
  • Page 132 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K +4.0 Vp-p +4.2 Vp-p +3.8 Vp-p +3.4 Vp-p +450 mVp-p +400 mVp-p PIN111 OF IC5004 PIN68 OF IC5103 PIN94 OF IC5103 PIN104 OF IC5004 PIN61 OF IC2002 PIN62 OF IC2003 20 ns 50 ns 50 ns 20 µs...
  • Page 133 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K V1 +3.32 Vp-p +400 mVp-p +4.0 Vp-p +3.4 Vp-p V1 +3.2 Vp-p V1 +5.0 Vp-p V2 +350 mVp-p +700 mVp-p +450 mVp-p CH1 PIN48-50,52-56 OF IC5701 PIN3-12 OF IC2001 PIN 2 OF IC5805 CH1 PIN1 OF P3001 100 mV 10 µs...
  • Page 134 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K...

  • Page 135: Schematic Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12 SCHEMATIC DIAGRAMS 12.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTES 1. Important safety notice 3. Parts marked "PT" are not used in any models included MAIN C.B.A. REPLACEMENT NOTE: LCD DRIVE C.B.A. REPLACEMENT NOTE:...

  • Page 136: Interconnection Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 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, be sure to use the part number listed in the parts list.

  • Page 137: Main Schematic Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.3. 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 138 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K IC5004 DETAIL BLOCK DIAGRAM IC5103 DETAIL BLOCK DIAGRAM VDDE (+3.3V) VDDE(+3.3V) CONVERTER CONVERTER CONVERTER CONVERTER CONVERTER CONVERTER VDDI (+2.5V) VDDI(+2.5V) CLOCK RESET(L) CLOCK (+3.3V)VDDE V-SYNC VDD (+2.5V) (+2.5V)VDDI VDD(+2.5V) H-SYNC (+3.3V)VDDE X'TAL OUT 3D Y/C SEPARATION...
  • Page 139 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 140 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC5301 (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 - NC (Not used) - DA3_AVS2...
  • Page 141 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC5301 (2/2) 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 I DA5_VREF V-REF FOR D/A 5...
  • Page 142 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CHECKING POINT OF IC5301 Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No. Remarks ROE2 UBINB0 ROE3 R5323 UBINB1 R5151 COMPONENT SIDE COMPONENT SIDE ROE4 (LEFT) UBINB2 (RIGHT) ROE5 UBINB3 WF94...
  • Page 143 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 144 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC6003 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) LAMP_LED_H LAMP LED ON (H)
  • Page 145 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 146 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K IC5701 DETAIL BLOCK DIAGRAM IC5705 DETAIL BLOCK DIAGRAM VDD (+3.3V) R DATA 6 G DATA 7 R DATA 7 G DATA 6 H-SYNC G DATA 5 V-SYNC G DATA 4 OSD-R R DATA (8BIT) R DATA (8BIT)
  • Page 147 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 148 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 149 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K IC5805 DETAIL BLOCK DIAGRAM PORT PORT VCC (+3.3V) DETECT CONTROL CONTROL VCC (+3.3V) VCC (+3.3V) VCC (+1.8V) LOGIC CONTROL TMDS DECODER VCC (+3.3V) VCC (+3.3V) Y DATA 0 VCC (+3.3V) Y DATA 1 Y DATA 2...

  • Page 150: Base Schematic Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.4. 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 151 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K IC3001 DETAIL BLOCK DIAGRAM IC4201 DETAIL BLOCK DIAGRAM VIDEO SWITCH TONE VIDEO CONTROL SWITCH I2C BUS VOLUME INTERFACE CONTROL2 VIDEO SWITCH VOLUME CONTROL1 ViVA HD3D & eala VIDEO SWITCH &Sim ulated Surround VOLUME CONTROL1 VIDEO...
  • Page 152 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 153 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 154: Power Schematic Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.5. 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 155 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K POWER 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 156: Ballast Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.6. BALLAST SCHEMATIC DIAGRAM BALLAST 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"...

  • Page 157: Lcd Drive Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.7. LCD DRIVE SCHEMATIC DIAGRAM LCD DRIVE I 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 158 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC2505 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 (Not used) I VDD2 VDD(+3..3V)
  • Page 159 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CHECKING POINT OF IC2505 IC2503 DETAIL BLOCK DIAGRAM Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No. Remarks RIN2 GOUT4 RIN3 R2527 GOUT5 R2563 FOIL SIDE FOIL SIDE RIN4 (LOWER) B7 A7 C8 B8...
  • Page 160 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K LCD DRIVE 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 161 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K LCD DRIVE III SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: For placing a purchase order of the parts, NOTE: NOTE: NOTE: NOTE: 6: REFER TO LCD DRIVE C.B.A. REPLACEMENT NOTE OF SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES.
  • Page 162 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K I/O CHART OF IC2303 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) THERMO3_IN TEMPERATURE DATA3 (FROM THERMISTOR 1 C. B. A.)
  • Page 163 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 164: Card Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.8. CARD SCHEMATIC DIAGRAM 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 165: Rear Jack Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.9. REAR JACK SCHEMATIC DIAGRAM REAR JACK 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 166: Front Jack Schematic Diagram

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.10. FRONT JACK SCHEMATIC DIAGRAM FRONT JACK 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 167: Thermistor 2 Schematic Diagrams

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.11. OPERATION / COVER SWITCH / THERMISTOR 1 / THERMISTOR 2 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 168: Voltage Chart

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 12.12. VOLTAGE CHART NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. MAIN C.B.A. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 169 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-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 170 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. BASE C.B.A. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 171 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. LCD DRIVE C.B.A. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 172 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. POWER C.B.A. OPERATIONC.B.A. FRONT JACK C.B.A. BALLAST C.B.A. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.

  • Page 173: Circuit Board Layout

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13 CIRCUIT BOARD LAYOUT 13.1. MAIN C.B.A. NOTE: NOTE: MULTILAYER C.B.A. MAIN C.B.A. LSEB3150A (SUFFIX (VERSION) NUMBER CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS C.B.A. IS Multi-Layer C.B.A. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 174 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: NOTE: MAIN C.B.A. LSEB3150A (SUFFIX (VERSION) NUMBER 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 175 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K MAIN C.B.A. LSEB3150A (SUFFIX (VERSION) NUMBER (COMPONENT SIDE) P5701 TP6002 Q5812 Q5814 TP5713 C5805 R6060 R6061 R6158 R6159 R6042 C6039 NOTE: TP6004 TP6012 R5780 TP5803 CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. IC5801...
  • Page 176 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K MAIN C.B.A. LSEB3150A (SUFFIX (VERSION) NUMBER (FOIL SIDE) P6007 P6008 C5878 Q5803 Q5802 TP5715 NOTE: R5815 R5814 R5804 CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. TP5811 L5801 PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.

  • Page 177: Base C.b.a

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.2. BASE C.B.A. BASE C.B.A. LSEP3152A NOTE: NOTE: IMPORTANT SAFETY NOTICE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, COMPONENTS IDENTIFIED BY THE SIGN HAVE PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 178 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K BASE C.B.A. LSEP3152A NOTE: NOTE: 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 179: Power C.b.a

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.3. POWER C.B.A. NOTE: NOTE: POWER C.B.A. LSEP3153A 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 180: Ballast C.b

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.4. BALLAST C.B.A. BALLAST C.B.A. LSEB3163A (COMPONENT SIDE) IMPORTANT SAFETY NOTICE: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, F1302 REPLACEMENT NOTE: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, COMPONENTS IDENTIFIED BY THE SIGN HAVE REPLACE ONLY WITH THE SAME TYPE 5A 125/250V FUSE.
  • Page 181 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K BALLAST C.B.A. LSEB3163A (FOIL SIDE) NOTE: NOTE: 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 182: Lcd Drive C.b

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.5. LCD DRIVE C.B.A. NOTE: NOTE: MULTILAYER C.B.A. LCD DRIVE C.B.A. LSXA0625FL (SUFFIX (VERSION) NUMBER CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS C.B.A. IS Multi-Layer C.B.A. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 183 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: LCD DRIVE C.B.A. LSXA0625FL (SUFFIX (VERSION) NUMBER NOTE: MULTILAYER C.B.A. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS C.B.A. IS Multi-Layer C.B.A. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 184 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: NOTE: MULTILAYER C.B.A. LCD DRIVE C.B.A. LSXA0625FL (SUFFIX (VERSION) NUMBER CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS C.B.A. IS Multi-Layer C.B.A. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 185 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K NOTE: LCD DRIVE C.B.A. LSXA0625FL (SUFFIX (VERSION) NUMBER NOTE: MULTILAYER C.B.A. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. THIS C.B.A. IS Multi-Layer C.B.A. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.

  • Page 186: Card C.b.a

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.6. CARD C.B.A. NOTE: CARD C.B.A. LSEB3161A NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.

  • Page 187: Rear Jack C.b.a

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.7. REAR JACK C.B.A REAR JACK C.B.A. LSEP3154A NOTE: NOTE: 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 188: Front Jack C.b.a

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.8. FRONT JACK C.B.A. FRONT JACK C.B.A. LSEP3155A (COMPONENT SIDE) U3901 NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. INFRARED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.

  • Page 189: Thermistor 2 C.b.a. / Cover Switch C.b

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 13.9. OPERATION C.B.A. / THERMISTOR 1 C.B.A. / THERMISTOR 2 C.B.A. / COVER SWITCH C.B.A. NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION.
  • Page 190 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K...

  • Page 191: Exploded Views (Cabinet Section)

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14 EXPLODED VIEWS (CABINET SECTION) 14.1. MAIN PARTS SECTION...
  • Page 192 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K...

  • Page 193: Front And Base Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.2. FRONT AND BASE SECTION...

  • Page 194: Display Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.3. DISPLAY SECTION...
  • Page 195 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K...

  • Page 196: Screen Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.4. SCREEN SECTION...
  • Page 197 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K...

  • Page 198: Projection Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.5. PROJECTION SECTION...

  • Page 199: Tv Unit Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.6. TV UNIT SECTION (1)
  • Page 200 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.7. TV UNIT SECTION (2)

  • Page 201: Ballast C.b.a. Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.8. BALLAST C.B.A. SECTION...

  • Page 202: Packing Parts And Accessories Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 14.9. PACKING PARTS AND ACCESSORIES SECTION...

  • Page 203: Replacement Parts List (Cabinet Section)

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 15 REPLACEMENT PARTS LIST (CABINET SECTION) BEFORE REPLACING PARTS, READ THE FOLLOWING: replacement part is available as a complete assembly unit only. Do not try to disassemble the Infrared Remote Control Unit. 15.1. REPLACEMENT NOTES 15.1.3.

  • Page 204: Mechanical Replacement Parts List

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 15.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST LSMG0155 SPACER LSKF0620 BUTTON DOOR 1 PASC- Definition of Parts supplier: LSYY0318 FRONT JACK DOOR UNIT 1 PASC- 1. Parts with mark "PSEC" in the Remarks column are...
  • Page 205 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks LSDL0288 MIRROR ( A ) 3 PASC- LSPF0161 BAG,POLYETHYLENE ( A ) 9 PASC- LSDL0289 MIRROR ( B )

  • Page 206: Parts List

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 15.4. SERVICE FIXTURES AND Ref. Part No. Part Name & Description Remarks TOOLS REPLACEMENT LSEP3152A BASE C.B.A. 6,7 RTL LSEP3153A POWER C.B.A. 6,7 RTL PARTS LIST LSEP3154A REAR JACK C.B.A. 6 RTL LSEP3155A FRONT JACK C.B.A.
  • Page 207 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC5001 C0DBFFD00005 LIENAR *See Schematic Q5102 UNR521300L TRANSISTOR SI NPN CHIP Diagram & Circuit Board B1GBCFNN0009 TRANSISTOR SI NPN CHIP...
  • Page 208 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks B1ADCF000001 TRANSISTOR SI PNP CHIP D6006 MA2J111008 DIODE SI CHIP Q5818 B0ACCK000005 DIODE SI CHIP B1ADCF000077 TRANSISTOR SI PNP CHIP...
  • Page 209 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5050 ERA3YHD330V MGF CHIP 1/16W 33 R5145 ERJ3GEYJ330V MGF CHIP 1/16W 33 R5051 ERJ3GEYJ330V MGF CHIP 1/16W 33 R5146...
  • Page 210 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5361 ERJ3GEYJ112V MGF CHIP 1/16W 1.1K R5709 EXBV8V470JV ARRAY CHIP 47 R5362 ERJ3GEYJ222V MGF CHIP 1/16W 2.2K R5710 EXBV8V470JV...
  • Page 211 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5919 ERJ3GEYJ223V MGF CHIP 1/16W 22K R6037 ERJ3GEYJ102V MGF CHIP 1/16W 1K R5920 ERJ3GEYJ103V MGF CHIP 1/16W 10K R6038...
  • Page 212 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CAPACITORS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R6110 ERJ3GEYJ101V MGF CHIP 1/16W 100 C3401 F1H1H101A230 C CHIP 50V 100PF R6111 ERJ3GEYJ101V MGF CHIP 1/16W 100...
  • Page 213 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5046 F1H1C104A008 C CHIP 16V 0.1UF C5150 F1H1C104A008 C CHIP 16V 0.1UF C5047 ECJ2FB0J106K C CHIP 6.3V 10UF C5151 F1H1C104A008 C CHIP 16V 0.1UF...
  • Page 214 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5366 F1H1C104A008 C CHIP 16V 0.1UF C5821 F1H1C104A008 C CHIP 16V 0.1UF C5367 F1H1C104A008 C CHIP 16V 0.1UF C5822 F1H1C104A008 C CHIP 16V 0.1UF...
  • Page 215 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C6016 F1H1H101A230 C CHIP 50V 100PF L5309 J0JHC0000018 COIL CHIP 42UH C6017 F1H1C104A008 C CHIP 16V 0.1UF L5311 J0JCC0000077...
  • Page 216 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K CAPACITORS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Q3002 2SB1218AHL TRANSISTOR SI PNP CHIP C5073 ECJ1VB1H471K CHIP 470PF *See B1ADCF000063 TRANSISTOR SI PNP CHIP Schematic Diagram &...
  • Page 217 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks MA2J11100L DIODE SI CHIP MA2J11100L DIODE SI CHIP D1102 D1132 D1103 MA2J11300L DIODE SI CHIP D1133 MA2J111008 DIODE SI CHIP...
  • Page 218 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1153 ERX1SZJR10E METAL FILM 1W 0.1 R3048 ERJ3GEYJ221V MGF CHIP 1/16W 220 R1156 ERJ6GEYJ221V MGF CHIP 1/10W 220 R3049...
  • Page 219 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R4030 ERJ3GEYJ473V MGF CHIP 1/16W 47K C1121 F1K1C2250005 C CHIP 16V 2.2UF R4031 ERJ3GEYJ102V MGF CHIP 1/16W 1K C1122 F1K1C2250005 C CHIP 16V 2.2UF...
  • Page 220 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C3035 F1H1A105A028 C CHIP 10V 1UF C4514 F1J1H104A538 C CHIP 50V 0.1UF C3036 F1H1A105A028 C CHIP 10V 1UF C4515 F1J1H104A538 C CHIP 50V 0.1UF...
  • Page 221 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K FUSE & PROTECTOR Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D1006 MAZ4100NHF DIODE ZENER 10V PR1101 D4FA3R50A002 IC PROTECTOR 3.5A D1007 B0HAMM000083 DIODE SI PR1102 D4FA5R00A002...
  • Page 222 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K MISCELLANEOUS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C804 ECA1CHG102B ELECTROLYTIC 16V 1000UF TMM5439-1 CLAMPER C805 ECA1EHG102B ELECTROLYTIC 25V 1000UF XNG3BFN NUT,STEEL C806 ECQU2A474MLA POLYESTER 250V 0.47UF...
  • Page 223 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K DIODES Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R9071 ERJ3GEYJ181V MGF CHIP 1/16W 180 D3901 B0BD6R200004 DIODE ZENER CHIP 6.2V R9072 ERJ3GEYJ181V MGF CHIP 1/16W 180...
  • Page 224 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D1310 B0ECKP000033 DIODE SI CHIP C1319 F1K2J1030001 CERAMIC 630V 0.01UF D1311 MAZ727000C DIODE ZENER 2.7V C1320 F2A1E1210010 ELECTROLYTIC 25V 120UF...
  • Page 225 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K PIN HEADERS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks LSSC0632 HEAT SINK P2821 K1KA02AA0300 CONNECTOR 2P PSEC LSSC0633 HEAT SINK LSMZ0400 BALLAST BARRIER MISCELLANEOUS Ref. Part No.

  • Page 226: Exploded Views (Projection Section)

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 16 EXPLODED VIEWS (PROJECTION SECTION) 16.1. PROJECTION SECTION (1)
  • Page 227 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 16.2. PROJECTION SECTION (2)

  • Page 228: Projection Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 16.3. PROJECTION SECTION (3)

  • Page 229: Projection Section

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 16.4. PROJECTION SECTION (4)

  • Page 230: Replacement Parts List (Projection Section)

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 17 REPLACEMENT PARTS LIST (PROJECTION SECTION) BEFORE REPLACING PARTS, READ THE FOLLOWING: Polarizer Green Unit (Ref. No. 226), or the Polarizer Blue Unit (Ref. No. 227), be sure to perform the "POLARIZER ADJUSTMENT" ADJUSTMENT PROCEDURES 17.1.

  • Page 231: Mechanical Replacement Parts List

    PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K 17.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST LSPN0590 BOTTOM PAD LSPN0591 TOP PAD LSMF0385 TOP DUCT 1 SPONGE 1 Definition of Parts supplier: LSMF0386 TOP DUCT 1 SPONGE 2 1.
  • Page 232 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC2302 C0EBE0000275 IC, CMOS STANDARD LOGIC E.S.D. R2010 ERJ3GEY0R00V MGF CHIP 1/16W 0 IC2303 MN101C77CAA IC, 8BIT MICROCONTROLLER E.S.D.
  • Page 233 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2087 ERJ3GEYJ220V MGF CHIP 1/16W 22 R2363 ERJ3GEYJ473V MGF CHIP 1/16W 47K R2088 ERJ3GEYJ220V MGF CHIP 1/16W 22 R2364...
  • Page 234 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2536 D1H84704A008 ARRAY CHIP 47 C2006 EEEHB0J470R ELECTROLYTIC CHIP 6.3V 47UF R2537 D1H84704A008 ARRAY CHIP 47 C2007 F1H1C104A008 C CHIP 16V 0.1UF...
  • Page 235 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2080 EEEHB1E330P ELECTROLYTIC CHIP 25V 33UF C2912 F1H1E104A030 C CHIP 25V 0.1UF C2081 F1H1E104A030 C CHIP 25V 0.1UF C2913 F1H1E104A030 C CHIP 25V 0.1UF...
  • Page 236 PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K Ref. Part No. Part Name & Description Remarks VMFS0213 SHEET 17.4.2. LCD DRIVE CHILD C.B.A. INTEGRATED CIRCUITS Ref. Part No. Part Name & Description Remarks C0JBAB000619 LINEAR *See Schematic Diagram & Circuit Board Layout Notes CAPACITORS Ref.

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