Panasonic TX-LR24E3 Service Manual
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Panasonic TX-LR24E3 Service Manual

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Service Manual
Specifications
Power Source:
Rated Power Consumption:
Stand-by Power Consumption: 0.3W (Without monitor out recording)
Aerial Impedance:
Receiving System:
Receiving Chanels:
Aerial - Rear:
Operating Conditions:
220-240V AC, 50 Hz
46W
9.0W (With monitor out recording)
75 unbalanced, Coaxial Type
DVB-T Digital terrestrial services (MPEG2 and MPEG4-AVC
DVB-C Digital cable services (MPEG2 and MPEG4-AVC
PAL-D/K,
SECAM D/K
PAL-525/60 (AV only)
M.NTSC (AV only)
NTSC (AV only)
VHF R1-R2
VHF R6-R12
VHF R3-R5
UHF E21-E69
VHF/UHF
0°C  35°C
Temperature:
20%  80% RH (non condensing)
Humidity:
ORDER No. ITD1106017CE
LCD Television
TX-LR24E3
GLP26 Chassis
)
(H.264)
(H.264)
© Panasonic Corporation 2011.
Unauthorized copying and
distribution is a violation of law.
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Summary of Contents for Panasonic TX-LR24E3

  • Page 1 VHF R1-R2 Receiving Chanels: VHF R6-R12 VHF R3-R5 UHF E21-E69 VHF/UHF Aerial - Rear: 0°C  35°C Temperature: Operating Conditions: 20%  80% RH (non condensing) Humidity: © Panasonic Corporation 2011. Unauthorized copying and distribution is a violation of law.
  • Page 2 Intermediate Frequency: Video/Audio Video 38.9MHz, 33.9MHz Audio 33.4MHz (B/G), 33.16MHz (A2) 33.05MHz (NICAM B/G, D/K, L) 32.4MHz (D/K), 32.66MHz (CZ STEREO) 40.4MHz (L ), 39.75MHz (L NICAM) ’ ’ Colour 34.47MHz (PAL) 34.5MHz, 34.65MHz (SECAM) ’ 38.3MHz, 38.15MHz (SECAM L Terminals: AV1 IN Video (21 pin)

  • Page 3: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........... 4 HOTEL MODE ............17 GENERAL GUIDE LINES........4 DATA COPY BY SD CARD........18 TOUCH – CURRENT CHECK....... 4 DATA COPY FROM TV SET TO SD CARD ..... 19 PREVENTION OF ELECTROSTATIC DISCHARGE DATA COPY FROM SD CARD TO TV SET ..... 20 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) OPTION BYTES DESCRIPTION ......

  • Page 4: Safety Precautions

    Safety Precautions General Guide Lines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    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 6: About Lead Free Solder (Pbf)

    About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.

  • Page 7: Applicable Signals

    Applicable Signals Component (Y, Pb, Pr), HDMI Signal name COMPONENT HDMI 525 (480) / 60i,60p 625 (576) / 50i, 50p 750 (720) / 60p, 50p 1,125 (1,080) / 60i, 50i 1,125 (1,080) / 60p 1,125 (1,080) / 50p 1,125 (1,080) / 24p PC (from D-sub 15P) Applicable input signal for PC is basically compatible to VESA standard timing.

  • Page 8: Service Hints

    Service Hints How to remove the backcover Lay the main unit face down. (see Fig.5) Fig.5 Remove the 3 fixing screws and the pedestal assembly. (see Fig.6) SCREWS XYN4+F12FJK /3pcs/ Fig.6 Remove the 13 fixing screws and the backcover. (see Fig.7) SCREWS XTV3+12JFJK /13pcs/ Fig.7...

  • Page 9: Chassis Board Layout

    Chassis Board Layout P-BOARD A-BOARD KA-BOARD Board Name Function A-Board AV Terminal, HDMI, Digital Audio Out, SD Card, CI slot, PC, USB, TV tuner, Peaks_sLD2, AV Switch, Speaker out, EEPROM, Flash Memory, DDR SDRAM KA-Board Remote Receiver, Power and Timer LED, C.A.T.S. P-Board Main Input, Power Supply, Key Control, Power Switch Location of Lead Wiring...

  • Page 10: Technical Description

    3 seconds. TV will be forced to the factory shipment setting after this SELF CHECK. Model and Keys: Keys Model No. One-to-One CI PLUS DTCP-IP (for USB Rec.) TX-LR24E3 None None None...

  • Page 11: Setting Inspection

    Setting Inspection Voltage Confirmation A board Description Test point Voltage PNLVCC TP4062 10.82V - 13.20V STB1.2 V TP5003 1.19V - 1.32V STB3.3V TP5002 3.14V – 3.46V STB5V TP5400 4.01V – 5.50V SUB1.2V TP8100 1.19V – 1.32V SUB1.5V TP8101 1.43V – 1.57V SUB1.8V TP4801 1.82V –...

  • Page 12: Self Check

    Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button. TX-LR24E3 24FHD Panasonic 2011LCD Self Check Complete...

  • Page 13: Power Led Blinking Timing Chart

    Power LED blinking timing chart Subject Information of LED Flashing timing chart. Contents When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by number of blinking of the Power LED on the front panel of the unit. Blinking Blinking timing Contents...

  • Page 14: Service Mode Function

    Service Mode Function MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Menu How to enter SERVICE While pressing (-/v) button on the TV unit, press on the remote control for 3 times within 2 seconds.

  • Page 15: Service

    Service SERVICE Peaks SOFT 1.007 OPTION 1 Key Command ADJUST Peaks EEP 01.02.00034 OPTION 2 S e r v i c e 1 WB-ADJ LSI PACKAGE 1.623 OPTION 3 OPTION LSI DATA 1.00.04 OPTION 4 10  Press the 3/4 button to change the adjustment values or function. SRV-TOOL STBY SOFT 1.00.00...

  • Page 16: Service Tool Mode

    Service Tool Mode How to access Select [SRV-TOOL] in Service Mode. Press [OK] button on the remote control. SRV-TOOL Display of TD2Microcode version TD2Microcode:005a0910 Flash ROOM: AD – F1 Display of Flash ROM maker code POWER ON TIME/COUNT PTCT:00.00.00.00.00 Time 00051:30 On/Off 0000042 Display of SOS History Press [MUTE] button (3sec)

  • Page 17: Hotel Mode

    Hotel Mode 1. Purpose Restrict a function for hotels. 2. Access command to the Hotel mode setup menu. In order to display the Hotel mode setup menu, please enter the following command (within 2 second). [TV] : Vol.[Down] + [REMOTE] : AV (3 times) Then, the Hotel mode setup menu is displayed.

  • Page 18: Data Copy By Sd Card

    Data Copy by SD Card Purpose a) Board replacement (Copy the data when exchanging A-board): When exchanging A-board, the data in original A-board can be copied to SD card and then copy to new A-board. Following data can be copied. (Before exchanging) User setting data Copy to SD card...

  • Page 19: Data Copy From Tv Set To Sd Card

    Data Copy from TV set to SD Card Turn on the TV set. Insert SD card with a startup file (pwd file) to SD slot. On-screen Display will be appeared according to the startup file automatically. Input a following password for (a) or (b) by using remote control. (a) For Board replacement: 2770 (b) For Hotel: 4850 Data will be copied from TV set to SD card.

  • Page 20: Data Copy From Sd Card To Tv Set

    Data Copy from SD Card to TV set Turn on the TV set. Insert SD card with Data to SD slot. On-screen Display will be appeared according to the Data folder automatically. Input a following password for (a) or (b) by using remote control. (a) For Board replacement: 2771 (b) For Hotel: 4851 Data will be copied from SD card to TV set.

  • Page 21: Option Bytes Description

    Option Bytes Description OPTION1 TEXT Ch Refresh ON (1) / OFF (0) ID-1 ON (1) / OFF (0) Macrovision Auto-judge ON (1) / OFF (0) Surround enable low bit ON (1) / OFF (0) Surround enable high bit ON (1) / OFF (0) TINT_Component_HDMI ON (1) / OFF (0) OPTION2...

  • Page 22: Adjustment Method

    Adjustment Method Sub-Contrast/White Balance Adjustment Instrument Name Connect to Remarks Remote controller Correlation can be also taken by LCD WB meter (Minolta CA-210 or equivalent) CS-1000A or equivalent Comunication jig Computer for external control Procedure Remarks Let the panel standfor more than 3 hours at more than 20 C.

  • Page 23: Wiring Diagram

    Wiring Diagram LCD PANEL...

  • Page 24: Block Diagram (1 Of 2)

    Block Diagram (1/2) SP_L SP_R TUNER CI SLOT SD CARD SLOT SERVICE TU4801 JK1070 JK8850 CN0100 17,18 A-BOARD 51,52 12 11 [EXCHANGE UNIT] IIC_0 32,33,34 25,26,27 28,29,30 21,22,23 IC4900 IC8401 P15V 19,20,35,36 IC8402 [C1AB00003457] IC8403 CPU BUS AUDIO AMP IC8900 IC8200 IC8201 IC8902...
  • Page 25 Block Diagram (2/2) TO A09 TO PANEL KEY CONTROL D805 Q801 Q803 D806 MAIN IN...

  • Page 26: Parts Location

    Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
  • Page 27 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.

  • Page 28: Replacement Parts List Note

    Replacement Parts List Note All parts except parts mentioned [PAVCCZ] are supplied by AVC-CSPC. NOTE: Parts mentioned [PAVCCZ] are supplied by PAVCCZ.

  • Page 29: Replacement Parts List

    Replacement Parts List Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is Limited for this item.
  • Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description D853 B0BC02500002 DIODE L2750 J0JYC0000065 COIL D854 B0HESM000002 DIODE L2751 J0JYC0000065 COIL D855 B0BC022A0007 ZENER DIODE L2752 J0JYC0000065 COIL D856 B0JBSL000047 DIODE L2754 J0JYC0000065 COIL D857 B0JCPG000005 DIODE L3002 G1C100MA0072 COIL D858 B0BC6R600005...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description JS0012 D0GAR00J0005 .063W 0 Ω R886 D0GD101JA036 .125W 100 Ω JS0030 D0GAR00J0005 .063W 0 Ω R887 D0GD101JA036 .125W 100 Ω R0800 D0GA472JA023 .063W 4K7 Ω R888 D0GD102JA036 .125W 1K Ω R800 ERC12ZGK105 CARBON...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R2802 D0GA223JA023 .063W 22K Ω R4095 D0GAR00J0005 .063W 0 Ω R2803 D0GA473JA023 .063W 47K Ω R4096 D0GAR00J0005 .063W 0 Ω R2804 D0GA103JA023 .063W 10K Ω R4524 D0GA103JA015 .063W 10K Ω R2805 D1BA2261A023 .063W...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R5020 D0GAR00J0005 .063W 0 Ω R8410 EXB2HV680J .063W 68 Ω R5030 D0GA103JA015 .063W 10K Ω R8411 EXB2HV680J .063W 68 Ω R5032 D0GA101JA015 .063W 100 Ω R8418 D0GA103JA015 .063W 10K Ω R5033 D0GA101JA015 .063W...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R8824 D0GA103JA015 .063W 10K Ω C866 F1K1E106A136 S.M.CAP 10µF R8825 D0GA103JA015 .063W 10K Ω C867 F1J1H105A449 S.M.CAP 1000nF R8860 D0GA103JA015 .063W 10K Ω C869 F1J1H102A721 S.M.CAP R8906 D0GA680JA023 .063W 68 Ω C870 F1J1E1050003 S.M.CAP...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C3153 F1G1H5610004 S.M.CAP 560pF C4970 F1J1A106A087 S.M.CAP 10µF C3154 F1G1H5610004 S.M.CAP 560pF C4971 F1J1A106A087 S.M.CAP 10µF C3155 F1G1H5610004 S.M.CAP 560pF C4972 F2H1A101A040 ELECT 100µF C3156 F1G1H5610004 S.M.CAP 560pF C4973 F2H1A101A040 ELECT 100µF C3157...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C8108 F1G1C104A077 S.M.CAP 100nF C8764 ECJ1VB1A105K S.M.CAP 1000nF C8110 F1G1C104A077 S.M.CAP 100nF C8765 ECJ1VB1A105K S.M.CAP 1000nF C8112 F1K1E106A136 S.M.CAP 10µF C8769 F1G1C223A081 S.M.CAP 22nF C8114 F1K1E106A136 S.M.CAP 10µF C8772 F1J1A106A043 S.M.CAP 10µF C8116...

  • Page 37: Schematic Diagrams

    Schematic Diagrams IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM () (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.

  • Page 56: Conductor Views

    Conductor Views A-BOARD TNP0EA019 - TOP IC’S IC8900 5D IC4900 1B IC5000 4C TRAN’S IC5300 1E Q0900 IC8000 2C Q4604 IC8200 2D Q4971 IC8201 3D Q4972 IC8404 4D Q4973 IC8700 3E Q8100 IC8701 2E Q8102 IC8702 2A...
  • Page 57 A-BOARD TNP0EA019 - BOTTOM IC’S TRAN’S IC3001 Q3102 IC5416 Q3103 IC5602 Q3104 IC8100 Q3105 IC8401 Q4600 IC8402 Q4750 IC8403 Q4751 IC8706 Q4974 IC8901 IC8902...
  • Page 58 P-BOARD TNP0EP019 - TOP TRAN’S D802 Q800 D803 D805 DIODE’S D806 D800 D813 D801 D816...
  • Page 59 P-BOARD TNP0EP019 - BOTTOM IC’S D807 IC800 D808 IC850 D810 IC851 D811 D812 TRAN’S D815 Q801 D818 Q802 D853 Q803 D854 Q850 D855 Q851 D856 Q852 D857 Q853 D858 Q854 D861 Q855 D863 Q856 D864 D866 DIODE’S D867 D804...
  • Page 60 KA-BOARD TNPA5378 - TOP IC’S RM2800 1A SN2800 TRAN’S Q2800 Q2801 Q2802...

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