Panasonic PT-56DLX25 Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Monitor
  5. PT-56DLX25
  6. Service manual
Panasonic PT-56DLX25 Service Manual

Panasonic PT-56DLX25 Service Manual

Hide thumbs Also See for PT-56DLX25:
Table of Contents

Advertisement

Quick Links

Download this manual
Please file and use this manual together with the service manual for Model No. PT-56DLX75, Order No.
MKE0508855C1.
Multi Media Display
PT-56DLX25
© 2005 Panasonic Shikoku Electronics Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MKE0512862A1
B2
Unauthorized
copying
and

Advertisement

Table of Contents
loading

Related Manuals for Panasonic PT-56DLX25

Summary of Contents for Panasonic PT-56DLX25

  • Page 1 ORDER NO. MKE0512862A1 Multi Media Display PT-56DLX25 Please file and use this manual together with the service manual for Model No. PT-56DLX75, Order No. MKE0508855C1. © 2005 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
  • Page 2 PT-56DLX25 CONTENTS Page Page 1 DIFFERENCES BETWEEN PT-56DLX25 and PT-56DLX75 1.2. COMPARISON CHART 1.1. REPLACEMENT NOTES 1 DIFFERENCES BETWEEN PT-56DLX25 and PT-56DLX75 1.1. REPLACEMENT NOTES 1.1.1. General Notes 1. Definition of Parts supplier: a. All parts are supplied from PASC-NPC.
  • Page 3 ORDER NO. MKE0508855C1 Multi Media Display PT-56DLX75 PT-61DLX75 © 2005 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 4: Table Of Contents

    PT-56DLX75 / PT-61DLX75 CONTENTS Page Page 1 SAFETY PRECAUTIONS 10.2. INTERCONNECTION SCHEMATIC DIAGRAM 1.1. GENERAL GUIDELINES 10.3. FRONT JACK (CIRCUIT BOARD FJ) SCHEMATIC 1.2. LEAKAGE CURRENT COLD CHECK DIAGRAM 1.3. LEAKAGE CURRENT HOT CHECK 10.4. OPERATION SCHEMATIC DIAGRAMS 1.4. UV-PRECAUTION 10.5.

  • Page 5: Safety Precautions

    PT-56DLX75 / PT-61DLX75 and the receiver should be repaired and rechecked before 1 SAFETY PRECAUTIONS it is returned to the customer. 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.

  • Page 6: Electrostatically Sensitive (Es) Devices

    PT-56DLX75 / PT-61DLX75 2 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES Some semiconductor (solid state) devices can be damaged Figure 3 easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistorsandsemiconductor "chip"...

  • Page 7: About Lead Free Solder (Pbf)

    PT-56DLX75 / PT-61DLX75 3 ABOUT LEAD FREE SOLDER (PbF)

  • Page 8: Service Notes

    PT-56DLX75 / PT-61DLX75 4 SERVICE NOTES LED INDICATIONS FOR ERROR CONDITION Each LED indication facilitates finding the cause of an error. When an error is detected, the Lamp turns off and an LED on the front will flash. POWER LED TEMP LED LAMP LED (Note 1, 3) (Note 2)
  • Page 9 PT-56DLX75 / PT-61DLX75 MAIN PART LOCATIONS <Front View> POWER LED TEMP LED LAMP LED Operation C.B.A. Lamp Cover Optical Cover Front Cover Unit <Rear View> Color Wheel Fan 2 Color Wheel C.B.A. (Circuit Board CW) Fan 3 Cover Switch C.B.A. Ballast C.B.A.
  • Page 10 PT-56DLX75 / PT-61DLX75 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 with the The lamp cooling fan will continue to operate for about 1 new Lamp.
  • Page 11 PT-56DLX75 / PT-61DLX75 CLEANING METHODS THE PROJECTION LENS Use lens cleaning paper and cleaner available at your local camera shop, etc. Dampen the cleaning paper with cleaner THE SCREEN UNIT AND THE MIRROR and gently wipe the surface of the lens from the center outward THE SCREEN UNIT (Lenticular Screen, Fresnel Lens) to remove dust.
  • Page 12 PT-56DLX75 / PT-61DLX75 WHEN AND HOW TO COPY EEPROM How to copy data: 1) Turn the power on. DATA FROM L BOARD TO DG BOARD 2) To enter Work Mode, press and hold the VOLUME DOWN button on the unit and the RECALL key on the The table below shows when it is necessary to copy the "Color remote for more than 5 seconds in power on condition.
  • Page 13 PT-56DLX75 / PT-61DLX75 TO DISTINGUISH THE PROJECTION BEFORE REMOVING THE OPTICAL LENS UNIT OR THE OPTICAL BLOCK BLOCK UNIT FROM THE UNIT AT THE UNIT USER’S LOCATION When removing the Optical Block Unit, remove the Lamp from The only difference between the 56 inch model and the 61 inch the Optical Block Unit and keep it.
  • Page 14 PT-56DLX75 / PT-61DLX75 BEFORE REMOVING THE MAIN C.B.A. WHEN INSTALLING THE MAIN C.B.A. (CIRCUIT BOARD DG) OR THE TV UNIT (CIRCUIT BOARD DG) OR THE TV UNIT FROM THE UNIT AT THE USE’S INTO THE UNIT AT THE USER’S LOCATION LOCATION Note: The TV Unit includes the Main C.B.A.
  • Page 15 PT-56DLX75 / PT-61DLX75 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. Fan 3 TV Unit with Digital Tuner C.B.A.
  • Page 16 PT-56DLX75 / PT-61DLX75 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 PDG3 (From Operation C.B.A.) Fig.
  • Page 17 PT-56DLX75 / PT-61DLX75 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. Rear Shield Case 20-pin Cable Fan 1 Clamper...
  • Page 18 PT-56DLX75 / PT-61DLX75 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. (From Base (From Power latch tab C.B.A.) C.B.A.)
  • Page 19 PT-56DLX75 / PT-61DLX75 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 Clampers P3903 P3902 P3901 (From Base...

  • Page 20: Disassembly/Assembly Procedures

    PT-56DLX75 / PT-61DLX75 5 DISASSEMBLY/ASSEMBLY PROCEDURES 5.1. CABINET SECTION CABINET SECTION DISASSEMBLY METHOD OF CABINET SECTION Cabinet section contains following removal procedures: REMOVAL OF THE OPTICAL BLOCK UNIT FROM THE CABINET REMOVAL OF THE TV UNIT FROM THE CABINET REMOVAL OF THE BASE BODY UNIT REMOVAL OF THE BALLAST C.B.A.
  • Page 21 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE OPTICAL BLOCK UNIT FROM THE CABINET 1. (PT-56DLX75) Remove the Rear Cover by removing the 23 Screws (401) then pinching the 4 latch tabs. latch tabs latch tabs Rear Cover Fig. D1-1-1 (PT-61DLX75) Remove the Rear Cover by removing the 25 Screws (401) then pinching the 4 latch tabs. latch tabs latch tabs Rear Cover...
  • Page 22 PT-56DLX75 / PT-61DLX75 2. 1) Remove the 5 Screws (402) on the Rear Shield Plate. 2) Disconnect the Fan 1 Connector Cable, and remove the Rear Shield Plate. 3) Remove Fan 1 by removing the 2 Screws (435). Ballast C.B.A. Name Plate Air Flow Fan 1...
  • Page 23 PT-56DLX75 / PT-61DLX75 3. 1) Remove the 2 Screws for GND to disconnect the 20-pin Cable. 2) Disconnect Connectors B1, B2, PL1 (20-pin Cable), PL4, PL5, the Thermostat/Cover Switch Connector and the Fan 2 Connector then releasing the clampers. Note: Take extreme care not to damage the 20-pin Cable when disconnecting. 4.
  • Page 24 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE TV UNIT FROM THE CABINET 1. Remove the Rear Cover and the Rear Shield Plate. Refer to Step 1~3 in "REMOVAL OF THE OPTICAL BLOCK UNIT FROM THE CABINET." 2. 1) Remove the 2 Screws (401). 2) Slide the TV Unit with the Digital Tuner C.B.A.
  • Page 25 PT-56DLX75 / PT-61DLX75 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 DT12 DT10 DTV Jack Holder Digital Tuner C.B.A.
  • Page 26 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE BASE BODY UNIT 1. Remove the Rear Cover. Refer to Step 1 in "REMOVAL OF THE OPTICAL BLOCK UNIT FROM THE CABINET." 2. Remove the 3 (or 5: PT-61DLX75) Screws (401) from rear side, and remove the Display. Display (PT-61DLX75) (PT-61DLX75)
  • Page 27 PT-56DLX75 / PT-61DLX75 3. 1) Remove the Front Cover Unit from the latches. 2) Remove the Side Cover L/R Units by removing the 8 Screws (401, 454). Base Body Unit Side Cover L Unit Side Cover R Unit Front Cover Unit Fig.
  • Page 28 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE BALLAST C.B.A. 1. Remove the Rear Cover and the Rear Shield Plate. Refer to Step 1~2 in "REMOVAL OF THE OPTICAL BLOCK UNIT FROM THE CABINET." 2. Remove the Lamp by loosening the Screw from the front of the cabinet. 3.
  • Page 29 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE FRONT JACK C.B.A. (CIRCUIT BOARD FJ), THE CARD C.B.A., THE REAR JACK C.B.A., THE POWER C.B.A. (CIRCUIT BOARD P), THE MAIN C.B.A. (CIRCUIT BOARD DG) AND THE BASE C.B.A. (CIRCUIT BOARD A) FROM THE TV UNIT 1.
  • Page 30 PT-56DLX75 / PT-61DLX75 4. 1) Release the AC Cord from the slot of the Rear Jack Holder. 2) Remove the Rear Jack Holder by removing the 7 Screws (402) then releasing the 3 Locking Tabs. 3) Remove the Top Shield Metal by removing the 8 Screws (402). 4) Remove Screw (479), and pull off both the Rear Jack Earth Plate and the Rear Jack C.B.A.
  • Page 31 PT-56DLX75 / PT-61DLX75 5. 1) Remove the Front Shield Metal by removing the 5 Screws (402). 2) Remove the 2 Screws (402), and pull off the Main C.B.A. with the Main/Tuner Board Mount Metal. (BtoB Connector PDG1 is disconnected.) 3) Remove the Main C.B.A. by removing the 6 Screws (479). 20-pin Cable PDG5 Connector Cable...
  • Page 32 PT-56DLX75 / PT-61DLX75 6. 1) Remove the 2 Screws (402), and pull off the Power C.B.A. with the Power Board Mount Metal after releasing from the clampers. (BtoB Connector P802 is disconnected.) 2) Remove the Power C.B.A. by removing the 6 Screws (479). Power Board Connector Cable Mount Metal...
  • Page 33 PT-56DLX75 / PT-61DLX75 7. 1) Disconnect Connectors PA10, PA5, PA2, PA7, PA12, PA6, PA9. 2) Remove the Base C.B.A. by removing the 6 Screws (479). Connector Cables No connection Connector Cables PA10 PA12 PA6 Base C.B.A. (Circuit Board A) Base Board Mount Metal Fig.
  • Page 34 PT-56DLX75 / PT-61DLX75 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-56DLX75) Remove the Screen Unit by removing the 19 Screws (401). Screen Unit Fig.
  • Page 35 PT-56DLX75 / PT-61DLX75 (PT-61DLX75) Remove the Screen Unit by removing the 17 Screws (401). Screen Unit Fig. D5-1-2...
  • Page 36 PT-56DLX75 / PT-61DLX75 3. (PT-56DLX75) 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. Lenticular Screen Screen Unit Screen Angle V Unit Fresnel Screen Lens...
  • Page 37 PT-56DLX75 / PT-61DLX75 (PT-61DLX75) Remove the 2 Screen Angle H Units and the 2 Screen Angle V Units by removing the 18 Screws (465), and remove the Fresnel Lens and the Lenticular Screen. Lenticular Screen Screen Angle V Unit Screen Unit Fresnel Lens Screen...
  • Page 38 PT-56DLX75 / PT-61DLX75 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. 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.
  • Page 39 PT-56DLX75 / PT-61DLX75 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. 2) Remove the Operation Holder Unit with the Operation C.B.A. by removing the 2 Screws (401) then releasing the 2 Locking Tabs.

  • Page 40: Optical Block Section

    PT-56DLX75 / PT-61DLX75 5.2. OPTICAL BLOCK SECTION OPTICAL BLOCK SECTION DISASSEMBLY METHOD FOR OPTICAL BLOCK 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 and units to prevent damage. b.
  • Page 41 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE COLOR WHEEL UNIT CAUTION: 1. Do not touch either side of the Color Wheel (Filter) surface or the Color Wheel Hub. Use extreme caution when handling the Color Wheel to avoid damage, dust, spots (especially fingerprints), etc. Clean the Color Wheel if necessary.
  • Page 42 PT-56DLX75 / PT-61DLX75 Reassembly Note for the Color Wheel Unit: 1) Install the Color Wheel Unit into the Optical Chassis using the 3 Bosses. Then install the CW Sponge so it covers the Connector Cable. Color Wheel Unit Optical Chassis Bosses Position of Color Wheel F.P.C.
  • Page 43 PT-56DLX75 / PT-61DLX75 REMOVAL OF THE BALLAST C.B.A. 1. 1) Remove the Lamp by loosening the Screw. 2) Remove the 2 Screws (421), disconnect the Lamp Connector and release from the hook. 3) Remove the Ballast C.B.A. after releasing the 4 latch tabs. latch tabs Lamp Ballast C.B.A.

  • Page 44: Adjustment Procedures

    PT-56DLX75 / PT-61DLX75 6 ADJUSTMENT PROCEDURES 1 WHEN INSTALLING THE BASE BODY 4. 1) Press and hold the VOLUME DOWN button on the unit and the SWAP key on the remote for more than 1 UNIT INTO THE UNIT AT THE USER’S second.
  • Page 45 PT-56DLX75 / PT-61DLX75 b. Mechanical Picture Position Adjustment (Tilt) CAUTION: 1) Press the CH UP/DOWN key on the remote to select Be sure to perform the Focus Adjustment after turning on the power for between 1 and 30 minutes. "OPT HPOSI" on menu and press the VOLUME UP/ DOWN key on the remote.
  • Page 46 PT-56DLX75 / PT-61DLX75 c. Electrical Picture Position Adjustment d. Copying the adjustment data of the Optical 1) Adjust OPT HPOSI so that "C" is symmetrical to "D" by Block Unit to EEPROM IC on the Main pressing the VOLUME UP/DOWN key on the remote to C.B.A.

  • Page 47: Adjustment Procedures 2

    PT-56DLX75 / PT-61DLX75 7 ADJUSTMENT PROCEDURES 2 ADJUSTMENT PROCEDURES 2 INITIAL GUIDELINES 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. Replacement Parts Adjustment data is written to following EEPROM IC...
  • Page 48 PT-56DLX75 / PT-61DLX75 Perform the necessary adjustments according to the following flow chart. Adjustment flow for block level repair (Ex.) When replacing the Optical Block Unit a. Focus Adjustment b. Mechanical Picture Position Adjustment (Tilt) c. Electrical Picture Position Adjustment d.
  • Page 49 PT-56DLX75 / PT-61DLX75 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 P U S H R E C A L L 5 S E C...
  • Page 50 PT-56DLX75 / PT-61DLX75 COLOR WHEEL INDEX DELAY 1. Display the Red100% ramp pattern by pressing the ASPECT key. ADJUSTMENT 2. Adjust "CW INDEX DELAY" value by pressing the VOLUME UP/DOWN key so that red ramp pattern is Purpose: even, with no discoloration. To set the standard color index.
  • Page 51 PT-56DLX75 / PT-61DLX75 WHITE BALANCE ADJUSTMENT 1. Press the CH UP/DOWN key on the remote to select "WB" on menu. (Selection of White Balance data) 2. Select "WB" value (00 ~ 05) by pressing VOLUME UP/ DOWN key so that the white color of screen is standard. Note: color Color temperature...

  • Page 52: Troubleshooting Hints

    PT-56DLX75 / PT-61DLX75 8 TROUBLESHOOTING HINTS 8.1. 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> Color Wheel Fan 2 Color Wheel C.B.A. (Circuit Board CW) Fan 3 Cover Switch...
  • Page 53 PT-56DLX75 / PT-61DLX75 LED INDICATIONS FOR ERROR CONDITION Each LED indication facilitates finding the cause of an error. When an error is detected, the Lamp turns off and an LED on the front will flash. POWER LED TEMP LED LAMP LED (Note 1, 3) (Note 2) Error No.
  • Page 54 PT-56DLX75 / PT-61DLX75 Protection circuit SOS terminal of IC1102 (Main microcontroller) IC4200 (CPLD) IC1102 (MAIN MICROCONTROLLER) CW DET(Error No. 6) (Error No. 1) SOS2 (Error No. 2) FAN SOS (Error No. 3) DT+9V SENS ASIC READY(H) (Error No. 9) (Error No. 4) +3.3V SENS I2C SERIAL DATA4 (Error No.
  • Page 55 PT-56DLX75 / PT-61DLX75 3) Abnormal voltage (+9V line) detection circuit DT+9V IC2803 IC1102 (MAIN MICROCONTROLLER) +12V Normal +9V SENS SOS: 0V on DT+9V line MAIN C.B.A. (CIRCUIT BOARD DG) BASE C.B.A. (CIRCUIT BOARD A) 4) Abnormal Voltage (+3.3V line) for Main C.B.A. (Circuit Board DG) detection circuit IC1102 (MAIN MICROCONTROLLER) Normal +3.3V...
  • Page 56 PT-56DLX75 / PT-61DLX75 7) Abnormal Temperature detection circuit IC1102 (MAIN MICROCONTROLLER) IC6904 SERIAL DATA4 SERIAL DATA4 Temp too high -- ALERT SOS: over 75 C or under -24 C Temp too low -- ALERT DMD DRIVE C.B.A. MAIN C.B.A. (CIRCUIT BOARD DG) (CIRCUIT BOARD L) COLOR WHEEL C.B.A.
  • Page 57 PT-56DLX75 / PT-61DLX75 AC stop detection circuit T802 IC1103 RESET STBY+3.3V D851-D854 IC1102 FULL-WAVE STBY+7V (MAIN MICROCONTROLLER) IC1108 RECTIFIER D861 AC STOP Normal BASE C.B.A. POWER C.B.A. (CIRCUIT BOARD P) (CIRCUIT BOARD A) MAIN C.B.A. (CIRCUIT BOARD DG) Over current detection circuit IC801 (SWITCHING CONTROL) T801 DRIVE...
  • Page 58 PT-56DLX75 / PT-61DLX75 How to solve the problem indicated by the Error Indication of LED (The symptom of all errors 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 correctly. Error No.
  • Page 59 PT-56DLX75 / PT-61DLX75 Note: LAMP DOES NOT LIGHT UP When doing troubleshooting over again, be sure to turn the power off and unplug the AC Cord. Before doing this troubleshooting, confirm that all connector cables in the unit are connected to the connectors correctly. In particular, confirm the following connector cables: •...
  • Page 60 PT-56DLX75 / PT-61DLX75 HOW TO DETERMINE WHICH C.B.A. IS DEFECTIVE No picture or abnormal picture ABNORMAL PICTURE: No Picture Color (Black and White picture) Abnormal Picture Color Unsynchronized Picture Dark Picture Replace the TV Unit (Only Video1,2 OR 4 input is NG.) (Rear Jack C.B.A.
  • Page 61 PT-56DLX75 / PT-61DLX75 No sound from both L-CH and R-CH built-in Speakers (All inputs are NG.) Check that there is an audio signal to the Audio Out Replace the TV Unit Terminal from all input terminals. (Base C.B.A. (Circuit Board A)). (Only Audio1, 2, Replace the TV Unit OR 4 input is NG.)
  • Page 62 PT-56DLX75 / PT-61DLX75 TIPS FOR DETERMINING WHICH C.B.A. IS DEFECTIVE TV UNIT OPTICAL BLOCK UNIT COLOR WHEEL REAR JACK C.B.A. BASE C.B.A. (CIRCUIT BOARD A) MAIN C.B.A. (CIRCUIT BOARD DG) DMD DRIVE C.B.A. (CIRCUIT BOARD L) UNIT IC3001 IC4258 IC4265 IC5950 IC6001 IC6004...
  • Page 63 PT-56DLX75 / PT-61DLX75 HOW TO DISPLAY THE INTERNAL PATTERN 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 P U S H R E C A L L 5 S E C...
  • Page 64 PT-56DLX75 / PT-61DLX75...

  • Page 65: Block Diagrams

    PT-56DLX75 / PT-61DLX75 9 BLOCK DIAGRAMS OVERALL BLOCK DIAGRAM REAR JACK C.B.A. BASE C.B.A. (CIRCUIT BOARD A) P3501 PA15 IC3002 IC3003 IC2303 IC2301 COMPONENT COMPONENT AUDIO IN 1 (L/R) PA13 SPEAKER-R AUDIO IN 1 (L/R) SOUND AUDIO COMPONENT COMPONENT AUDIO IN 2 (L/R) PROCESSOR AUDIO IN 2 (L/R) COMPONENT AUDIO IN 3 (L/R)
  • Page 66 PT-56DLX75 / PT-61DLX75 POWER SUPPLY BLOCK DIAGRAM DIGITAL TUNER C.B.A. POWER C.B.A. (CIRCUIT BOARD P) BASE C.B.A. (CIRCUIT BOARD A) MAIN C.B.A. (CIRCUIT BOARD DG) (CIRCUIT BOARD DT) 5V TV 9V TV TP1166 TP1161 TP1163 TP1165 T801 TP12 F801 TP033 TP032 TP039 TP040...
  • Page 67 PT-56DLX75 / PT-61DLX75 VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2) REAR JACK C.B.A. BASE C.B.A. (CIRCUIT BOARD A) MAIN C.B.A. (CIRCUIT BOARD DG) JK3502 IC4258 (MAIN VIDEO SIGNAL PROCESS) VIDEO OUT P3501-29 PA15-29 1,12,23,32,73,90, 105,113,134 +3.3V IC3001 (VIDEO SW) IC4252 3-5,136-143 JK3503 66,71,79,84...
  • Page 68 PT-56DLX75 / PT-61DLX75 VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2) MAIN VIDEO SIGNAL SUB VIDEO SIGNAL VIDEO SIGNAL(MAIN/SUB) CARD Y/PB/PR SIGNAL IC4265 (VIDEO SIGNAL PROCESS) IC4264 (64M MEMORY) <CLOCK(129MHz)> E1,E2,E4, F1-F5,G2-G4 Y22-Y25,AA23-AA26,AB18,AB19,AC22, DATA BUS(32BIT) FIFO SDRAM AD17,AD18,AD21-AD24,AE17,AE18, INTERFACE INTERFACE MEMORY G1,H1-H3,J1-J5, AE21-AE26,AF17,AF18,AF21-AF25 K1-K5,L1,L5...
  • Page 69 PT-56DLX75 / PT-61DLX75 VIDEO SIGNAL PATH II BLOCK DIAGRAM DMD DRIVE C.B.A. (CIRCUIT BOARD L) IC6001 (LVDS RECEIVER) IC6004 (DMD CONTROL) IC6011 (MOTOR DRIVER) SERIAL DATA PL3-1 SERIAL CLOCK SERIAL CONTROL MOTOR PL3-2 CS(L) INTERFACE LOGIC DRIVE PL3-3 RESET(L) PL3-4 SERIAL DATA IC6009 (BUFFER) CLOCK...
  • Page 70 PT-56DLX75 / PT-61DLX75 SD CARD SIGNAL PROCESS BLOCK DIAGRAM CARD C.B.A. MAIN C.B.A. (CIRCUIT BOARD DG) CARD Y/PB/PR SIGNAL IC8001 (SD CARD SIGNAL PROCESS) IC8010 (YUV CONVERTER) P9005 P9003 P8002 Y DATA(0-7) Y/UV 68,69,71,75, VCC(+3.3V) L8014 Y DATA(0-7) SYNC 76,79-81 +3.3V YUV DATA (0-7) SD DATA(0-3)
  • Page 71 PT-56DLX75 / PT-61DLX75 AUDIO SIGNAL PATH BLOCK DIAGRAM AUDIO SIGNAL MAIN C.B.A. (CIRCUIT BOARD DG) BASE C.B.A.(CIRCUIT BOARD A) FROM VIDEO I HDMI AUDIO (R) SIGNAL PATH BLOCK DIAGRAM HDMI AUDIO (L) IC3251 (SW) IC3003 IC2303 IC2301 (SOUND PROCESSOR) (OP AMP) (AUDIO AMP) IC3002 (AUDIO SW) (R-CH)
  • Page 72 PT-56DLX75 / PT-61DLX75 SYSTEM CONTROL BLOCK DIAGRAM DIGITAL TUNER C.B.A. (CIRCUIT BOARD DT) MAIN C.B.A. (CIRCUIT BOARD DG) DMD DRIVE C.B.A. (CIRCUIT BOARD L) COLOR WHEEL C.B.A. (CIRCUIT BOARD CW) IC1109 IC5950 IC6001 (LVDS TRANSMITTER) (LVDS RECEIVER) PDG4-14 PL1-14 POWER DOWN(L) DT12-15 PDG2-15 PDG4-15...
  • Page 73 PT-56DLX75 / PT-61DLX75 DIGITAL TUNER BLOCK DIAGRAM (1/2) DIGITAL TUNER C.B.A.(CIRCUIT BOARD DT) TUNER IC8209 (MIXER) IC8245 (AGC) IC8211 (DEMODULATOR) IC8216 (POD ASIC) Q8201, XF8202 Q8200 Q8203 D8200 RF-IN FILTER DECODER FILTER AP FDC AGC AP TS OUT P AP TS OUT C 109-114, DATA (16-23) DATA (16-23)
  • Page 74 PT-56DLX75 / PT-61DLX75 DIGITAL TUNER BLOCK DIAGRAM (2/2) VIDEO SIGNAL AUDIO SIGNAL DATA (16-23) IC8009 (256M SDRAM) IC8223 (BOOT ROM) 256M +3.3V 2,4,5,7,8,10,11, FONT DATA 29-36, +2.5V 1,3,9,15,ETC 13,54,56,57,59, DATA (0-15) DATA (16-31) SDRAM 38-45 BOOT SOFTWARE 60,62,63,65 RESET(L) IC8010 (256M SDRAM) IC8222 (NAND FLASH ROM) 256M 2,4,5,7,8,10,11,...
  • Page 75 PT-56DLX75 / PT-61DLX75 OPTICAL BLOCK DIAGRAM SCREEN MIRROR OPTICAL BLOCK UNIT OPTICAL CHASSIS UNIT PROJECTION LA2 Lens LENS UNIT LA1 Lens Condenser Lens LAMP Color Wheel Unit Reflector Mirror G13 Lens DMD IC DMD DRIVE C.B.A. (CIRCUIT BOARD L) OPTICAL BLOCK DIAGRAM PT-56DLX75/PT-61DLX75...
  • Page 76 PT-56DLX75 / PT-61DLX75...

  • Page 77: Schematic Diagrams

    PT-56DLX75 / PT-61DLX75 10 SCHEMATIC DIAGRAMS 10.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 1. Important safety notice 3. Parts marked "PT" are not used in any models included Components identified by the sign have special in this service model. characteristics important for safety.

  • Page 78: Interconnection Schematic Diagram

    PT-56DLX75 / PT-61DLX75 10.2. INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION 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. be sure to use the part number listed in the parts list.

  • Page 79: Front Jack (Circuit Board Fj) Schematic Diagram

    PT-56DLX75 / PT-61DLX75 10.3. FRONT JACK (CIRCUIT BOARD FJ) SCHEMATIC DIAGRAM FRONT JACK (CIRCUIT BOARD FJ) 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 80: Operation Schematic Diagrams

    PT-56DLX75 / PT-61DLX75 10.4. OPERATION SCHEMATIC DIAGRAMS OPERATION 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. REFER TO BEGINNING OF SCHEMATIC SECTION.

  • Page 81: Voltage Chart

    PT-56DLX75 / PT-61DLX75 10.5. VOLTAGE CHART NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. FRONT JACK OPERATIONC.B.A. (CIRCUIT BOARD FJ) C.B.A. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 82 PT-56DLX75 / PT-61DLX75...

  • Page 83: Circuit Board Layout

    PT-56DLX75 / PT-61DLX75 11 CIRCUIT BOARD LAYOUT 11.1. FRONT JACK (CIRCUIT BOARD FJ) C.B.A. FRONT JACK C.B.A. (CIRCUIT BOARD FJ) REPLACEMENT NOTE: The Front Jack C.B.A. has been changed from suffix (version) number to suffix (version) number on a running change basis. Suffix (version) number is different from suffix (version) number in a few traces, and parts are the same.

  • Page 84: Operation C.b.a

    PT-56DLX75 / PT-61DLX75 11.2. OPERATION C.B.A. OPERATION C.B.A. LSEP3156A NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. P6701 TP6702 R6701 TP6704 TP6706 TP6701 TP6703 TP6705 TP6707 R6713 R6709...

  • Page 85: Exploded Views

    PT-56DLX75 / PT-61DLX75 12 EXPLODED VIEWS 12.1. MAIN PARTS SECTION...
  • Page 86 PT-56DLX75 / PT-61DLX75...

  • Page 87: Front And Base Section

    PT-56DLX75 / PT-61DLX75 12.2. FRONT AND BASE SECTION...

  • Page 88: Display Section

    PT-56DLX75 / PT-61DLX75 12.3. DISPLAY SECTION...
  • Page 89 PT-56DLX75 / PT-61DLX75...

  • Page 90: Screen Section

    PT-56DLX75 / PT-61DLX75 12.4. SCREEN SECTION...
  • Page 91 PT-56DLX75 / PT-61DLX75...

  • Page 92: Optical Block Section

    PT-56DLX75 / PT-61DLX75 12.5. OPTICAL BLOCK SECTION...

  • Page 93: Tv Unit Section

    PT-56DLX75 / PT-61DLX75 12.6. TV UNIT SECTION...

  • Page 94: Packing Parts And Accessories Section

    PT-56DLX75 / PT-61DLX75 12.7. PACKING PARTS AND ACCESSORIES SECTION...

  • Page 95: Replacement Parts List

    PT-56DLX75 / PT-61DLX75 13 REPLACEMENT PARTS LIST BEFORE REPLACING PARTS, READ THE FOLLOWING: 13.1.3. Electrical Replacement Notes 1. Unless otherwise specified; 13.1. REPLACEMENT NOTES All resistors are in Ω, K = 1,000 Ω, M = 1,000 kΩ. 2. Abbreviation 13.1.1. General Notes RTL: Retention Time Limited 1.

  • Page 96: Mechanical Replacement Parts List

    PT-56DLX75 / PT-61DLX75 13.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST LSMB0314 POWER BUTTON SPRING LSMF0419 SPACER LSGY0276 ESCUTCHEON ( A ) LSGY0279 ESCUTCHEON ( B ) LSGP0502 LENTICULAR SCREEN ( A ) LSGP0472 LENTICULAR SCREEN ( B ) LSGP0501 FRESNEL LENS ( A ) LSGP0469...

  • Page 97: Optional Accessory Replacement Parts List

    L3907 ERJ3GEY0R00V MGF CHIP 1/16W 0 replacement part. It is sold separately. To purchase a L3908 ERJ3GEY0R00V MGF CHIP 1/16W 0 replacement, call the Panasonic accessory department. L3909 ERJ3GEY0R00V MGF CHIP 1/16W 0 L4801 ERJ3GEY0R00V MGF CHIP 1/16W 0 L4802...
  • Page 98 PT-56DLX75 / PT-61DLX75 PIN HEADERS Ref. Part No. Part Name & Description Remarks P3901 K1KA10BA0062 CONNECTOR 10P P3902 K1KA12BA0062 CONNECTOR 12P P3903 K1KA05BA0061 CONNECTOR 5P JACKS Ref. Part No. Part Name & Description Remarks JK3901 K1FB115A0015 D-SUB MINI JACK SOCKET JK3902 K1U412A00008 AUDIO/VIDEO/S-VIDEO...

Table of Contents