Panasonic PT-44LCX65 - 44" Rear Projection TV Service Manual Download Page 63

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9.5. VOLTAGE CHART

PIN NO. VOLTAGE

NOTE:

FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.

PIN NO. VOLTAGE

VOLTAGE CHART

PT-44LCX65/PT-52LCX65/PT-61LCX65

OPERATIONC.B.A.

Q6701

3.3

Q6702

3.3

3.2

2.6

TP6701

3.3

TP6702

3.3

TP6703

3.3

TP6704

3.3

TP6705

0.3

TP6706

3.3

TP6707

TP6708

3.3

TP6709

3.3

TP6710

3.3

TP6711

3.3

TP6712

3.3

TP6713

3.3

FRONT JACK C.B.A.

Q3901

4.1

Q3902

4.1

PT-44LCX65 / PT-52LCX65 / PT-61LCX65

Summary of Contents for PT-44LCX65 - 44" Rear Projection TV

Page 1: ... 2005 Panasonic Shikoku Electronics Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law PT 44LCX65 PT 52LCX65 PT 61LCX65 Multi Media Display ORDER NO MKE0505850C1 B2 ...

Page 2: ...DIAGRAM 60 9 3 FRONT JACK SCHEMATIC DIAGRAM 61 9 4 OPERATION THERMISTOR 1 THERMISTOR 2 COVER SWITCH SCHEMATIC DIAGRAMS 62 9 5 VOLTAGE CHART 63 10 CIRCUIT BOARD LAYOUT 65 10 1 FRONT JACK C B A 65 10 2 OPERATION C B A THERMISTOR 1 C B A THERMISTOR 2 C B A COVER SWITCH C B A 66 11 EXPLODED VIEWS 67 11 1 MAIN PARTS SECTION 67 11 2 FRONT AND BASE SECTION 69 11 3 DISPLAY SECTION 70 11 4 SCREEN SECTION 7...

Page 3: ...hassis the reading should be between 1 MΩ and 12 MΩ When the exposed metal does not have a return path to the chassis the reading must be infinity 1 3 LEAKAGE CURRENT HOT CHECK 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect A to exposed metallic part on the set And connect B to a good earth ground as shown in Figure 1 3 Use an AC voltmet...

Page 4: ...only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an antistatic solder removal device Some solder removal devices not classified as antistatic ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device fr...

Page 5: ...3 ABOUT LEAD FREE SOLDER PbF 5 PT 44LCX65 PT 52LCX65 PT 61LCX65 ...

Page 6: ...pped flashes orange once every 5 seconds Lamp Cover open Temperature Sensor shorted or open Thermistor 1 C B A flashes orange twice every 5 seconds flashes orange 7 times every 5 seconds flashes once every 5 seconds Abnormal Temperature Thermistor 1 C B A flashes twice every 5 seconds flashes twice every 5 seconds Ballast Error abnormal Lamp voltage flashes 3 times every 5 seconds Ballast Error ab...

Page 7: ...B A LCD Drive C B A Thermal Fuse Unit Air Filter Air Filter Air Filter Projection Unit Top Duct 3 Lamp Cover Front Cover Unit Operation C B A Front View Rear View Optical Cover Rear Cover Rear Jack C B A Power C B A Main C B A Digital Tuner C B A TV Unit Digital Tuner C B A Card C B A Base C B A Front Jack C B A PT 44LCX65 PT 52LCX65 PT 61LCX65 7 ...

Page 8: ...hen turning the power on again after once turning off wait for approx 10 seconds Or the unit can not be released from Service Mode Service Mode 2 3 Service Mode 3 3 Service Mode 1 3 S E R V I C E M o d e 1 3 L A M P O P E R A T I O N T I M E C U R R E N T L A M P 2 0 0 0 h O S D D I S P O N L O N C O U N T 1 5 3 B K S V B 0 3 A 5 9 C D 6 6 Power ON S E R V I C E M o d e 3 3 I C 6 0 0 3 P O R T P 0...

Page 9: ... LAMP value to original value as follows 1 Select CURRENT LAMP in Service Mode 1 3 2 Press the VOLUME UP DOWN key on the remote to change to the original value value A that was noted before removing the Main C B A or the TV Unit at the user s location Value A Changeable Service Mode 1 3 S E R V I C E M o d e 1 3 L A M P O P E R A T I O N T I M E C U R R E N T L A M P 2 0 0 0 h O S D D I S P O N L ...

Page 10: ...amp REPLACEMENT OF LAMP Lamp Time Reset Procedure Be sure to reset the Lamp time to 0 after replacing the new Lamp 1 Plug in the AC Cord and turn on the power by pressing the POWER button 2 Press and hold the VOLUME DOWN button on the unit and the SPLIT key on the remote together for over 5 seconds in power on condition When the reset is finished the display as shown in Fig 5 1 appears and the LAM...

Page 11: ...ce of the Lenticular Screen and the outer surface of the Fresnel Lens the surfaces that one another These surfaces must not be wiped with a cloth THE MIRROR Remove any dirt with an air blower or wipe with a clean soft dry cloth If wiped too forcefully the surface of the Mirror can be damaged If wiping with a clean dry cloth does not remove the dirt the Mirror must be replaced Fig 6 1 THE PROJECTIO...

Page 12: ...tamp And also see the stamp on the Lamp Wall of the Projection Unit TO READ THE DIGITAL TUNER PEAKS SOFTWARE VERSION AND TV MICROCONTROLLER SOFTWARE VERSION 1 Press MENU key with the power on 2 Press CH UP DOWN key and select Setup Then press OK key 3 Press CH UP DOWN key and select About Then press OK key 4 Select Version and press OK key Version menu will appear as shown below Starting with the ...

Page 13: ...amp cooling fan will continue to operate for approximately 1 minute after the power is turned off At the same time the POWER LED will flash red Do not disconnect the AC Cord from the power outlet and do not open any circuit breakers while the cooling fan is still operating CLOGGED AIR FILTER DETECTION When a dirty or clogged air filter is detected the OSD display appears for 1 minute And then the ...

Page 14: ...ervicing 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 AC Cord Thermal Fuse Unit PT 44LCX65 PT 52LCX65 PT 61LCX65 14 ...

Page 15: ...ires 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 P6005 From Operation C B A Speaker Connectors PT 44LCX65 PT 52LCX65 PT 61LCX65 15 ...

Page 16: ...nd 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 GND Wire of 20 pin Cable 20 pin Cable Clamper Clamper Fig 9 3 PT 44LCX65 PT 52LCX65 PT 61LCX65 16 ...

Page 17: ...lampers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following P1306 From Thermal Fuse Unit P2901 From Base C B A P2903 From Fan2 P2904 From Fan3 C B A P2303 From Thermistor 2 C B A P2502 From Cover Switch C B A P2501 From Main C B A PT 44LCX65 PT 52LCX65 PT 61LCX65 17 ...

Page 18: ...mpers are placed in their original position It is important for the best operation of the unit Note Use extreme care especially for the following P2902 From Fan1 P2302 From Thermistor 1 C B A Clamper Clamper Hook Lamp Connector PT 44LCX65 PT 52LCX65 PT 61LCX65 18 ...

Page 19: ...original position It is important for the best operation of the unit Note Use extreme care especially for the following Clamper P9003 Clamper TV Unit Clamper Clampers Clamper Clamper P3901 From Base C B A P3902 From Base C B A P3903 From Base C B A Hook PT 44LCX65 PT 52LCX65 PT 61LCX65 19 ...

Page 20: ...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 b When reinstalling ensure that the connectors are connected firmly and electrical components have not been damaged c Do not supply power to the unit during disassembly and reassembly REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNI...

Page 21: ...65 latch tabs latch tabs REMOVAL OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET 1 PT 44LCX65 PT 52LCX65 Remove the Rear Cover by removing the 18 or 21 PT 52LCX65 Screws 401 454 then pinching the 4 latch tabs Fig D1 1 1 PT 61LCX65 Remove the Rear Cover by removing the 25 Screws 401 then pinching the 4 latch tabs Fig D1 1 2 Rear Cover 401 latch tabs latch tabs PT 44LCX65 PT 52LCX65 PT...

Page 22: ...1 401 401 401 402 Slide and Lift up Projection Unit with Ballast C B A The 2 Screws 401 and the 5 Screws 402 are for removing the Ballast C B A GND Wire of 20 pin Cable 401 402 402 402 402 402 401 Guide Tabs X4 Bottom View of Projection Unit Clamper Clamper P1305 From Base C B A P1301 From Power C B A P1302 From Power C B A P2904 From Fan3 C B A P2501 From Main C B A P2901 From Base C B A 1 2 3 1 ...

Page 23: ... 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 Fig D1 3 402 451 Ballast C B A Lamp Connector Hook P1306 PT 44LCX65 PT 52LCX65 PT 61LCX65 23 ...

Page 24: ... the screen 2 Remove the Lamp from the Projection Unit by loosening the Screw Fig D1 4 Note After replacing the Projection Unit be sure to perform ADJUSTMENT of Projection Unit Refer to WHEN REINSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION Clamper Top Duct 3 Unit Lamp Screw for lamp 421 421 Projection Unit 21 Replacement Note of Projection Unit These part...

Page 25: ...tors Note Take extreme care not to damage the 20 pin Cable when disconnecting 3 Slide the TV Unit with the Digital Tuner C B A slightly and disconnect Connector P6005 4 Remove the TV Unit with the Digital Tuner C B A Fig D2 1 401 402 Earth Plate A TV Unit with Digital Tuner C B A Speaker Connectors P6005 GND Wire of 20 pin Cable Slide Clamper Clamper P1305 From Base C B A P1301 From Power C B A P1...

Page 26: ... Holder TV Unit DT10 DT12 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 Fig D2 2 PT 44LCX65 PT 52LCX65 PT 61LCX65 26 ...

Page 27: ...L OF THE BALLAST C B A AND THE PROJECTION UNIT FROM THE CABINET 2 Remove the 3 PT 44 52LCX65 or the 5 PT 61LCX65 Screws 401 from rear side and remove the Display Fig D3 1 401 401 401 401 401 Display PT 61LCX65 PT 61LCX65 401 401 401 Cylindrical PT 44LCX65 PT 52LCX65 PT 61LCX65 27 ...

Page 28: ...over Unit from the latches 2 Remove the Side Cover L R Unit by removing the 6 or 8 PT 52LCX65 PT 61LCX65 Screws 401 454 Fig D3 2 Note After replacing the Base Body Unit be sure to perform ADJUSTMENT of Projection Unit Refer to WHEN REINSTALLING THE PROJECTION UNIT OR THE BASE BODY UNIT INTO THE UNIT AT THE USER S LOCATION PT 44LCX65 PT 52LCX65 PT 61LCX65 28 ...

Page 29: ...ask the customer their daily average use and the approximate age of the current Lamp Then calculate the CURRENT LAMP value as follows and make a note Daily average use X Approx age CURRENT LAMP hours days hours 1 Remove the TV Unit Refer to Steps 1 3 in REMOVAL OF THE TV UNIT AND THE DIGITAL TUNER C B A FROM THE CABINET 2 1 Remove the Front Jack Earth Plate by removing the Screw 402 2 Disconnect C...

Page 30: ...ull off the Rear Jack C B A BtoB Connector P3501 is disconnected Fig D4 2 P3501 402 AC Cord Locking Tabs Locking Tab Slot Rear Jack Holder Rear Jack C B A Rear Jack Earth Plate Rear Jack Barrier 402 Replacement Note of Rear Jack C B A These parts will be necessary when replacing Set aside and keep and re use Rear Jack Earth Plate Rear Jack Barrier PT 44LCX65 PT 52LCX65 PT 61LCX65 30 ...

Page 31: ...le releasing the clamper BtoB Connector P1006 is disconnected 2 Remove the Power C B A by removing the 4 Screws 479 Fig D4 3 402 402 479 479 479 479 402 402 402 P C B Power Angle Clamper Clamper Power C B A P1006 P804 20 pin Cable GND Wire Spacer AC Cord PT 44LCX65 PT 52LCX65 PT 61LCX65 31 ...

Page 32: ... disconnected 2 Remove the Main C B A by removing the 5 Screws 479 Fig D4 4 402 402 Main C B A P C B Main Angle P3401 479 14 479 479 479 479 20 pin Cable Replacement Note of Main C B A These parts will be necessary when replacing Set aside and keep and re use 20 pin Cable PT 44LCX65 PT 52LCX65 PT 61LCX65 32 ...

Page 33: ...6 Remove the Base C B A by removing the 4 Screws 479 then releasing the clampers Fig D4 5 Base C B A Clampers P C B Base Angle 479 479 479 479 PT 44LCX65 PT 52LCX65 PT 61LCX65 33 ...

Page 34: ...F 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 PT 52LCX65 Remove the Screen Unit by removing the 16 Screws 401 Fig D5 2 1 PT 44LCX65 PT 52LCX65 PT 61LCX65 34 ...

Page 35: ... PT 61LCX65 Remove the Screen Unit by removing the 17 Screws 401 Fig D5 2 2 401 401 Screen Unit PT 44LCX65 PT 52LCX65 PT 61LCX65 35 ...

Page 36: ...ts Fresnel Lens Lenticular Screen in the Screen Unit are also supplied When replacing the Fresnel Lens and the Lenticular Screen take care that dust etc does not adhere between the Fresnel Lens and the Lenticular Screen Due to this risk it is strongly recommended to replace the Screen Unit as a unit 465 465 Escutcheon Screen Unit Lenticular Screen Fresnel Lens Screen Angle V Unit Serial No Label S...

Page 37: ...snel Lens Lenticular Screen in the Screen Unit are also supplied When replacing the Fresnel Lens and the Lenticular Screen take care that dust etc does not adhere between the Fresnel Lens and the Lenticular Screen Due to this risk it is strongly recommended to replace the Screen Unit as a unit 465 465 Escutcheon Screen Unit Lenticular Screen Fresnel Lens Screen Angle V Unit Serial No Label Screen ...

Page 38: ...ons of the Mirror and insert the Mirror from the top into the Back Cover slots carefully When handling the Mirror do not touch the Mirror surface 3 Install the 2 Mirror Holder H and the 2 Mirror Holder V Unit PT 52LCX65 on the Mirror and tighten the 4 or 8 PT 52LCX65 Screws 401 Mirror surface Sheet Sheet Sheet 75 mm 10 mm 20 mm 5 mm 75 mm 10 mm 20 mm 5 mm 10 mm 12 mm Sheet Top edge of Mirror Botto...

Page 39: ...old the sheet portions of the Mirror and insert the Mirror from the top into the Back Cover slots carefully When handling the Mirror do not touch the Mirror surface 3 Install the 3 Mirror Holder H and the 2 Mirror Holder V Unit on the Mirror and tighten the 10 Screws 401 Mirror surface Sheet 10 mm 12 mm Front View 13 mm 15 mm 10 mm 12 mm Sheet Sheet Sheet 13 mm 15 mm Sheet Top edge of Mirror Botto...

Page 40: ...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 3 Remove the Operation C B A by removing the 2 Screws 421 Fig D7 Operation Holder Unit P6701 Operation C B A 401 401 421 421 PT 44LCX65 PT 52LCX65 PT 61LCX65 40 ...

Page 41: ...A L P U S H R E C A L L 5 S E C W O R K M O D E Work Mode 4 1 Then press and hold the VOLUME DOWN button on the unit and the SWAP key on the remote for more than 1 second The unit will go into the Factory Adjust Mode FACTORY ADJUST menu will appear Fig M1 3 2 Then press the CH UP DOWN key on the remote to select OTHER on menu and press the OK key OTHER menu will appear Fig M1 4 5 Press the VOLUME ...

Page 42: ...wist Screw Screw Screw Front View Focus Screen G H within 4 dots long line g long line h G H O P T H P O S I F 6 O P T V P O S I 0 2 b Focus Adjustment 1 Confirm that each of the pixels in the nine portions is clearly visible 2 If not loosen the Knob on the Projection Lens using pliers until the Knob can be moved Fig M1 6 3 Adjust the Knob by moving up or down so that each of the pixels in the nin...

Page 43: ...is symmetrical to B by pressing the VOLUME UP DOWN key on the remote to change the value 5 Confirm that all A B C D E F G H I J K L are each almost symmetrical 6 If not adjust the OPT HPOSI and OPT VPOSI repeat steps 1 6 until the picture is in the correct position 7 Press the CH UP DOWN key on the remote to return to the OTHER menu Focus Screen G H B E I C K J D C width c width c width d width a ...

Page 44: ...A Fan 2 Thermistor 2 C B A LCD Drive C B A Thermal Fuse Unit Air Filter Air Filter Air Filter Projection Unit Top Duct 3 Lamp Cover Front Cover Unit Operation C B A Front View Rear View Optical Cover Rear Cover Rear Jack C B A Power C B A Main C B A Digital Tuner C B A TV Unit Digital Tuner C B A Card C B A Base C B A Front Jack C B A PT 44LCX65 PT 52LCX65 PT 61LCX65 44 ...

Page 45: ...hes orange once every 5 seconds Lamp Cover open Temperature Sensor shorted or open Thermistor 1 C B A flashes orange twice every 5 seconds flashes orange 7 times every 5 seconds flashes once every 5 seconds Abnormal Temperature Thermistor 1 C B A flashes twice every 5 seconds flashes twice every 5 seconds Ballast Error abnormal Lamp voltage flashes 3 times every 5 seconds Ballast Error abnormal te...

Page 46: ... be between 20 and 80 with no condensation The vents are not blocked It is recommended that a gap of at least 10 cm is left all around the unit even when it is placed inside a cabinet or between shelves 2 Check if the fans are operating properly 1 Relocate the unit to a proper location Do not place in direct sunlight and other sources of direct heat Do not place the unit in humid or dusty location...

Page 47: ...orm troubleshooting The Power LED goes off in a few seconds after the Power LED start flashing green Unplug the AC Cord and plug it in again Turn the power on If Still NG Unplug the AC Cord and plug it in again Turn the power on Replace the TV unit Power C B A or Base C B A Replace the TV unit Power C B A Turn the power ON The Power LED D6701 lights up green but Lamp does not light up Or the Power...

Page 48: ...e picture Abnormal Color Picture No Synchronization Picture Dark Picture Only HDMI input is NG Replace the TV unit Main C B A Tuner input is NG Only SD Card input is NG Replace the TV unit Card C B A Still NG replace the Digital Tuner C B A All input are NG Replace the Digital Tuner C B A TV unit Main C B A or Projection unit Replace the TV unit Main C B A or Base C B A Component 1 2 AND 3 input i...

Page 49: ... Replace the R CH Speaker Does the BALANCE screen becomes center position Set to the center position Swap the Speaker Connectors to confirm the Speaker failure Replace the TV Unit Base C B A or Main C B A NO Still NG NO YES No sound from built in R CH Speaker only Press MENU button on the remote and select Audio in MENU screen Then press OK Only Audio1 2 Component 1 2 OR 3 input is NG Only Tuner i...

Page 50: ...PT 44LCX65 PT 52LCX65 PT 61LCX65 50 ...

Page 51: ...DIO IN L R TUNER AUDIO IN L R NON UNIFORMITY COLOR COMPENSATION GAMMA CORRECTION WHITE BALANCE CONTROL ADJUSTMENT DATA SETTING DATA OF EACH IC s FOR LCD DRIVE C B A R DATA 10bit G DATA 10bit B DATA 10bit FILTER ERROR DETECTION ERROR VIDEO IN 3 S VIDEO IN 3 P3902 P3004 P3901 P3001 RGB IN HDMI IN AV IN HDMI AUDIO IN L R AUDIO IN 3 L R P5301 DT12 DT10 P9003 P3003 P3401 P5701 P2501 P4503 Q3202 Q3212 R...

Page 52: ...19 P1101 20 24 P1101 1 P1001 2 P1001 1 P1001 5 P1001 4 P1301 2 P1301 1 P1301 5 P1305 1 P1305 2 P1305 3 P1301 4 AC IN 4 2 6 1 3 R809 811 RUSH CURRENT PROTECTOR T1301 Q1310 TURNS ON WHEN LAMP STARTS UP D1315 C1330 Q1310 1 4 6 3 PR1004 PR1003 PR1002 PR1005 PR1001 3 4 5 6 22 23 1 2 24 25 19 18 5V 3 3V 9V 16V 16V TP1111 P1102 1 P1102 2 P1102 3 P1102 4 16V 30V 9V 5V 9V 5V 3 3V 2 5V 5V 5V 3 3V 2 5V 16V 3...

Page 53: ... B Q3006 B Q3001 B Q3002 B Q3003 B LPF Q5109 B LPF Q5110 B Q5111 B Q5113 B Q5112 B LPF A D A D 8 9 13 20 3 5 136 143 115 122 125 132 Y V YUV DATA PB C PR VCC 9V 8 47 53 57 3 3V 2 5V IC5002 2 5V REG 2 5V REG 4 5 IC5001 2 5V REG 1 7 IC5003 4 5 IC5103 SUB VIDEO SIGNAL PROCESS 2D Y C SEPARATION NTSC DECODER A D 40 30 35 A D A D Y V PB C PR GC3FM_s GC3FS_s RGB Y CONVERT RGB PB CONVERT RGB PR CONVERT 74...

Page 54: ...A D LVDS DATA D LVDS CLOCK LVDS CLOCK 64M MEMORY 31 51 52 15 14 92 IP CONVERTER PICTURE CONTROL MULTI WINDOW PICTURE IN PICTURE SPLIT SCREEN SEARCH SCALER 720p CONVERTER TTL PARALLEL TO LVDS SERIAL CONVERTER PLL VCC 9 26 34 44 5V IC5706 3 3V REG 5 4 3 3V 1 3 9 15 29 35 41 43 49 55 75 81 VCC IC5304 64M MEMORY 64M MEMORY 3 3V 1 3 9 15 29 35 41 43 49 55 75 81 VCC 75 6MHz OSC X5702 V SYNC H SYNC CLOCK...

Page 55: ...C2303 34 RESET L FROM IC2303 37 CORRECT ON L RESET L CORRECT ON L FRP DY DX ENABLE 4 ENABLE 3 ENABLE 2 ENABLE 1 NRG CLX CLY XFRP XFR R S H CLOCK R XFR G S H CLOCK G XFR B S H CLOCK B LVDS SERIAL TO TTL PARALLEL CONVERTER PLL 3 3V 15 5V V REF M 7V V REF 9 5V IC2002 SAMPLING HOLD TP2004 M19 Y10 V9 W9 Y9 W10 M1 W8 M18 3 3V 15 5V IC2001 SAMPLING HOLD IC2003 SAMPLING HOLD 3 3V 15 5V 15 5V 3 3V D20 E19 ...

Page 56: ... L FROM VIDEO I BLOCK DIAGRAM JK4101 HDMI AUDIO L AUDIO SW CONTROL 1 FROM IC3001 64 AUDIO SW CONTROL 2 FROM IC3001 66 AUDIO SW CONTROL 3 FROM IC3001 72 AUDIO SW CONTROL 4 FROM IC3001 78 IC4201 SOUND PROCESSOR 23 8 30 1 AMP MUTE L FROM IC6003 90 DRIVE AUDIO AMP R CH AUDIO AMP L CH VCC VCC 9V 9V 16V 16V 16V 16 IC4002 SW R CH L CH HDMI TUNER LINE COMPONENT HDMI TUNER LINE COMPONENT 13 9 10 SWITCHING ...

Page 57: ... FAN ON H FAN1 SPEED CONTROL FAN3 SPEED CONTROL D3902 TEMP SERIAL CLOCK SERIAL DATA 0 SERIAL DATA 1 TEMP LED ON H LAMP LED ON H STBY 5V 3 3V 82 RESET L 21 20 22 STANDBY L NORMAL H ERROR LAMP ON H LAMP STATUS STANDBY L POWER ON H R6095 C6042 LAMP ON H LAMP STATUS LAMP COVER OPEN H RESET L IC5805 HDMI INTERFACE IC6009 FLASH MEMORY 28 27 I2C SERIAL CLOCK0 I2C SERIAL DATA0 IC5004 MAIN VIDEO SIGNAL PRO...

Page 58: ... MIRROR RED DICHROIC MIRROR GREEN FULL MIRROR BLUE FULL MIRROR BLUE DICHROIC PRISM LCD RED LCD BLUE LCD GREEN LIGHT IN POLARIZER GREEN UNIT LIGHT IN POLARIZER GREEN FULL MIRROR RED PROJECTION LENS SCREEN LCD PRISM UNIT OPTICAL BLOCK UNIT PROJECTION UNIT MIRROR LIGHT OUT POLARIZER RED LIGHT OUT POLARIZER BLUE LIGHT OUT POLARIZER GREEN LIGHT IN POLARIZER RED UNIT LIGHT IN POLARIZER RED LIGHT IN POLA...

Page 59: ... of Zener Diodes are indicated as such on Schematic Diagrams Example 6 2V Zener Voltage 2 How to identify Connectors Each connector is labeled with a Connector No and Pin No Indicating what it is connected to in other words its counter part Use the interconnection schematic diagram to find the connection between associated connectors Example The connections between C B A s are shown below POWER SU...

Page 60: ...LTUNER C B A CARD C B A 3 Pins 36 Pins FAN 1 P2902 P2001 3 Pins FAN 2 P2903 7 Pins P5301 DT12 110 Pins P2501 P5701 20 Pins P3501 P3002 50 Pins P3003 P3401 65 Pins P9003 DT10 12 Pins AUDIO OUT R CH AUDIO OUT L CH VIDEO OUT AUDIO IN 2 R CH AUDIO IN 2 L CH VIDEO IN 2 S VIDEO IN 2 AUDIO IN 1 R CH AUDIO IN 1 L CH VIDEO IN 1 S VIDEO IN 1 COMPONENT AUDIO IN 1 L CH COMPONENT AUDIO IN 1 R CH COMPONENT AUDI...

Page 61: ..._IN_L 1 L3_CPS_NOSIG_L U3901 PNA4618M14VT 1 2 3 47 6 3V C3901 100 R3904 10K R3906 10K R3909 R3907 470 D3902 B3AAA0000538 R3910 470 10K R3905 D3903 B3AAA0000538 2SD1819A0L Q3901 2SD1819A0L Q3902 10K R3908 P3901 10 GND 9 RGB_V 8 GND 7 RGB_H 6 GND 5 RGB_B 4 GND 3 RGB_G 2 GND 1 RGB_R P3903 5 GND 4 LAMP_LED 3 TEMP_LED 2 IR_IN 1 STBY 5V JK4590 K2HC103A0017 PT 2 1 3 4 5 7 6 0 L3902 0 L3901 0 L3909 0 L390...

Page 62: ...05R SW6704 EVQ11G05R SW6702 EVQ11G05R R6710 180 R6711 100 P6701 7 GND 6 STBY 3 3V 5 P_LED_G 4 P_LED_R 3 KEY_IN2 2 KEY_IN1 1 KEY_IN0 PT R6701 SW6706 EVQ11G05R SW6707 EVQ11G05R SW6708 EVQ11G05R SW6705 EVQ11G05R SW6703 EVQ11G05R 1200 R6702 1500 R6703 2700 R6704 5600 R6705 18K R6706 1200 R6707 TP6701 TP6702 TP6703 TP6704 TP6705 TP6706 TP6707 TP6708 TP6709 TP6710 TP6711 TP6712 TP6713 CH_UP VOL_UP VOL_D...

Page 63: ...GE PIN NO VOLTAGE PIN NO VOLTAGE PIN NO VOLTAGE PIN NO VOLTAGE PIN NO VOLTAGE VOLTAGE CHART PT 44LCX65 PT 52LCX65 PT 61LCX65 OPERATIONC B A Q6701 E 3 3 C 0 B 3 3 Q6702 E 3 3 C 3 2 B 2 6 TP6701 3 3 TP6702 3 3 TP6703 3 3 TP6704 3 3 TP6705 0 3 TP6706 3 3 TP6707 0 TP6708 3 3 TP6709 3 3 TP6710 3 3 TP6711 3 3 TP6712 3 3 TP6713 3 3 FRONT JACK C B A Q3901 E 0 C 4 1 B 0 Q3902 E 0 C 4 1 B 0 PT 44LCX65 PT 52...

Page 64: ...PT 44LCX65 PT 52LCX65 PT 61LCX65 64 ...

Page 65: ...L3902 L3903 L3909 C3902 R3901 R3902 R3903 R3907 R3910 R3911 R3912 R3913 R3914 L4801 L4802 Q3901 R3905 R3906 Q3902 R3908 R3909 R3904 L3904 L3905 L3906 L3907 L3908 D3901 D3911 D3912 D3913 D4592 D4593 D4801 D4802 R4595 LSJB3155 K K A A FOIL SIDE FRONT JACK C B A LSEP3155A NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION NOTE CIRCUIT BOARD LAYOUT INCLUD...

Page 66: ... 8 P2811 P2812 LSJB3166 P2813 2 THERMISTOR 2 C B A LSEB3137A LSJB3137 P2821 R2821 1 2 COVER SWITCH C B A LSEP3160A SW2911 LAMP COVER SW P2912 LSJB3160 J2911 OPERATION C B A LSEP3156A THERMISTOR 1 C B A LSEP3166A THERMISTOR 2 C B A LSEB3137A COVER SWITCH C B A LSEP3160A NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION NOTE CIRCUIT BOARD LAYOUT INCLUD...

Page 67: ...11 EXPLODED VIEWS 11 1 MAIN PARTS SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 67 ...

Page 68: ...PT 44LCX65 PT 52LCX65 PT 61LCX65 68 ...

Page 69: ...11 2 FRONT AND BASE SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 69 ...

Page 70: ...11 3 DISPLAY SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 70 ...

Page 71: ...PT 44LCX65 PT 52LCX65 PT 61LCX65 71 ...

Page 72: ...11 4 SCREEN SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 72 ...

Page 73: ...PT 44LCX65 PT 52LCX65 PT 61LCX65 73 ...

Page 74: ...11 5 PROJECTION SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 74 ...

Page 75: ...11 6 TV UNIT SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 75 ...

Page 76: ...11 7 PACKING PARTS AND ACCESSORIES SECTION PT 44LCX65 PT 52LCX65 PT 61LCX65 76 ...

Page 77: ...d views 8 Parts whose Ref Nos are the same are interchangeable as replacement parts Any of these parts may be ordered and used as a replacement part 12 1 2 Main Parts Replacement Notes 1 Section No of parts shown in Exploded Views are indicated in the Remarks column 2 Abbreviation RTL Retention Time Limited This indicates that the retention time is limited for this item After the discontinuation o...

Page 78: ... PASC NPC 30 LSYY0318 FRONT JACK DOOR UNIT 1 PASC NPC 31 EAB10117AL SPEAKER ASSEMBLY L 2 32 EAB10117AR SPEAKER ASSEMBLY R 2 33 LSMF0407 RUBBER SPACER 2 34 LSYF0559 SIDE COVER L UNIT A 1 PASC NPC 34 LSYF0554 SIDE COVER L UNIT B 1 PASC NPC 34 LSYF0560 SIDE COVER L UNIT C 1 PASC NPC 35 LSYF0561 SIDE COVER R UNIT A 1 PASC NPC 35 LSYF0555 SIDE COVER R UNIT B 1 PASC NPC 35 LSYF0562 SIDE COVER R UNIT C 1...

Page 79: ...N BOTTOM LEFT STYROFOAM C 7 PASC NPC 106 LSPN0580 CUSHION BOTTOM RIGHT STYROFOAM A 7 PASC NPC 106 LSPN0576 CUSHION BOTTOM RIGHT STYROFOAM B 7 PASC NPC 106 LSPN0584 CUSHION BOTTOM RIGHT STYROFOAM C 7 PASC NPC Ref No Part No Part Name Description Remarks 108 LSPF0161 BAG POLYETHYLENE A 7 PASC NPC 108 LSPF0111 BAG POLYETHYLENE B C 7 PASC NPC 109 EUR7627Z70 INFRARED REMOTE CONTROL UNIT 7 PASC NPC 111 ...

Page 80: ... E120 LSEP3166A THERMISTOR 1 C B A RTL PSEC E130 LSEB3137A THERMISTOR 2 C B A RTL PSEC E140 LSEP3160A COVER SWITCH C B A RTL PSEC 12 4 1 FRONT JACK C B A TRANSISTORS Ref No Part No Part Name Description Remarks Q3901 2SD1819A0L TRANSISTOR SI NPN CHIP or Q3901 B1ABCF000020 TRANSISTOR SI NPN CHIP Q3902 2SD1819A0L TRANSISTOR SI NPN CHIP or Q3902 B1ABCF000020 TRANSISTOR SI NPN CHIP DIODES Ref No Part ...

Page 81: ...GEYJ122V MGF CHIP 1 16W 1 2K R6703 ERJ3GEYJ152V MGF CHIP 1 16W 1 5K R6704 ERJ3GEYJ272V MGF CHIP 1 16W 2 7K R6705 ERJ3GEYJ562V MGF CHIP 1 16W 5 6K R6706 ERJ3GEYJ183V MGF CHIP 1 16W 18K R6707 ERJ3GEYJ122V MGF CHIP 1 16W 1 2K R6708 ERJ3GEYJ103V MGF CHIP 1 16W 10K R6709 ERJ3GEYJ103V MGF CHIP 1 16W 10K R6710 ERJ3GEYJ181V MGF CHIP 1 16W 180 R6711 ERJ3GEYJ101V MGF CHIP 1 16W 100 R6712 ERJ3GEYJ103V MGF CH...

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Panasonic PT-44LCX65 - 44" Rear Projection TV, Service Manual

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