Panasonic TX-LR24C3 Service Manual
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Panasonic TX-LR24C3 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
72W
6.7W (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. ITD1106018CE
LCD Television
TX-LR24C3
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-LR24C3

  • 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 HDMI terminal) Applicable input signal for PC is basically compatible to HDMI 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 12 fixing screws and the backcover. (see Fig.7) SCREWS (1) XTB4+12JFJK /10pcs/ (2) XTV3+8JFJK /2pcs/...

  • Page 9: Chassis Board Layout

    Chassis Board Layout P-BOARD A-BOARD K-BOARD KA-BOARD Board Name Function A-Board AV Terminal, HDMI, Digital Audio Out, SD Card, CI slot, TV tuner, Peaks_sLD2, AV Switch, Speaker out, EEPROM, Flash Memory, DDR SDRAM KA-Board Remote Receiver, Power and Timer LED K-Board Key control, Power Switch P-Board...

  • 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-LR24C3 None None None...

  • Page 11: Setting Inspection

    Setting Inspection Voltage Confirmation A board Description Test point Voltage PNLVCC TP4062 4.52V - 5.50V 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-LR24C3 24HD 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 1.109 OPTION 1 Key Command ADJUST Peaks EEP 01.01.0005 OPTION 2 S e r v i c e 1 WB-ADJ LSI PACKAGE 1.61c OPTION 3 OPTION LSI DATA 1.00.03 OPTION 4 00  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_R SP_L TUNER CI SLOT SD CARD SLOT TU4801 SERVICE JK1070 JK8850 17,18 CN0100 51,52 A-BOARD 12 11 [EXCHANGE UNIT] IIC_0 32,33,34 25,26,27 28,29,30 21,22,23 IC4900 IC8401 19,20,35,36 [C1AB00003457] IC8402 AUDIO AMP IC8403 CPU BUS IC8900 IC8201 IC8902 NAND FLASH DDR3...
  • Page 25 Block Diagram (2/2) TO A09 PA7700 R7898 R7896 D7815 Q7812 Q7811 D7816 TO PANEL 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 D5301 B0JCMD000066 DIODE Q7819 B1ABBE000003 TRANSISTOR D5302 B0BC6R600005 ZENER DIODE Q7821 B1CHRE000005 TRANSISTOR D5480 B0JCCE000008 DIODE Q8100 B1MBEDA00027 TRANSISTOR D5484 B0JCME000097 DIODE Q8102 B1MBEDA00027 TRANSISTOR TRANSFORMERS D7700 B0ADCJ000100 DIODE D7701 B0ADCJ000100 DIODE T7700...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description FILTERS R2012 D0GA222JA023 .063W 2K2 Ω R2018 D0GA473JA015 .063W 47K Ω FL4000 EXC28CE201U FILTER R2019 D0GA473JA015 .063W 47K Ω FL4001 EXC28CE201U FILTER R2023 D0GA124JA023 .063W 120K Ω FL4002 EXC28CE201U FILTER R2024 D0GA103JA015 .063W...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R4089 D0GA103JA015 .063W 10K Ω R5018 D0GAR00J0005 .063W 0 Ω R4095 D0GAR00J0005 .063W 0 Ω R5020 D0GAR00J0005 .063W 0 Ω R4096 D0GAR00J0005 .063W 0 Ω R5030 D0GA103JA015 .063W 10K Ω R4524 D0GA103JA015 .063W...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R7743 D0GD102JA052 .125W 1K Ω R7906 D0GD104JA052 .125W 100K Ω R7744 D0GD331JA059 0.25W 330 Ω R7907 D0GDR00J0004 .125W 0 Ω R7745 D0GD101JA059 0.25W 100 Ω R7908 D1BD5102A066 .125W 51K Ω R7746 D0GD473JA052 .125W...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R8636 D0GA220JA023 .063W 22 Ω C0078 F1G1H1020008 S.M.CAP R8639 D0GA103JA015 .063W 10K Ω C0079 F1G1H1020008 S.M.CAP R8640 D0GA103JA015 .063W 10K Ω C0080 F1G1H1020008 S.M.CAP R8641 D0GAR00J0005 .063W 0 Ω C0081 F1G1H1020008 S.M.CAP R8642...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C3175 F1G1A105A047 S.M.CAP 1000nF C5022 F1G1A105A047 S.M.CAP 1000nF C3178 F1J1A106A043 S.M.CAP 10µF C5026 F1H1C105A145 S.M.CAP 1000nF C3179 F1J1A106A043 S.M.CAP 10µF C5150 F1G1C273A081 S.M.CAP 27nF C4504 F1G1A105A047 S.M.CAP 1000nF C5151 ECJ1VB1H103K S.M.CAP 10nF C4750...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C7824 F1A3A221A060 CERAMIC 220pF C8124 F1J0G2260001 S.M.CAP 22µF C7830 F1B3D221A099 CERAMIC 220pF C8126 F1J0G2260001 S.M.CAP 22µF C7831 F1J1H102A721 S.M.CAP C8128 F1J0G2260001 S.M.CAP 22µF C7832 F1J1H474A757 S.M.CAP 470nF C8200 F1G1C104A077 S.M.CAP 100nF C7833 F1J1H221A709...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description K1KA04AA0190 4P CONNECTOR A12-SP TXJA12QCUE1 A12-SPK WIRE K1MY30B00007 30P CONNECTOR A14-PAN TXJA24C3 LVDS WIRE CN0100 K1KA14A00248 14P CONNECTOR D3050 K7AAAY000011 OPTICAL LINK GK01 K1KA04BA0047 4P CONNECTOR JK1001 K1U608A00002 YUV_AUDIO IN_V IN JK1003 K1FY121A0012 SCART TERMINAL...

  • Page 38: 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 58: Conductor Views

    Conductor Views A-BOARD TNP0EA019 - TOP IC’S IC8900 5D IC4900 1B IC5000 4C TRAN’S IC5300 1E Q0900 IC8000 2C Q4604 IC8201 3D Q4971 IC8404 4D Q4972 IC8700 3E Q4973 IC8701 2E Q8100 IC8702 2A Q8102...
  • Page 59 A-BOARD TNP0EA019 - BOTTOM IC’S TRAN’S IC3001 3B Q2001 IC5416 1E Q2002 IC8100 3D Q3102 IC8401 4D Q3103 IC8402 4D Q4600 IC8403 5D Q4750 IC8706 2C Q4751 IC8901 4B Q4974 IC8902 3C...
  • Page 60 P-BOARD TNPA5387 - TOP TRAN’S DIODE’S Q7700 D7800 Q7701 D7815 Q7702 D7816 Q7703 D7828 Q7818 D7831 D7833 D7837 D7842...
  • Page 61 P-BOARD TNPA5387 - BOTTOM IC’S D7708 IC7700 D7709 IC7811 D7710 IC7812 D7711 IC7813 D7712 D7713 TRAN’S D7714 Q7811 D7715 Q7812 D7817 Q7817 D7822 Q7819 D7823 Q7821 D7825 D7826 DIODE’S D7827 D7700 D7830 D7701 D7832 D7702 D7834 D7703 D7835 D7704 D7838 D7705 D7844 D7706...
  • Page 62 KA-BOARD TNPA5378 - TOP IC’S RM2800 1A TRAN’S Q2800 Q2801 Q2802...

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