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Panasonic Viera TH-L24X5A, Service Manual

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Panasonic Viera TH-L24X5A Service Manual Download Page 5

TH-L32C5Z TH-L32C5S TH-L24X5A TH-L24X5Z TH-L42U5Z TH-L42U5S

5

3 Service Navigation

3.1.

Service Hint

Board Name

Function

Remarks

Main Board

Speaker out, AV Terminal, HDMI in, SD Card, PC
in, Digital Signal Processor, Nile-Tcon, Tuner

All boards are non

serviceable and should

be exchanged for service

IR Board

REMOTE RECEIVER, LED

Power Board

Power (AC/DC), DC-DC

Key Board

Control Button, Power switch

Summary of Contents for Viera TH-L24X5A

Page 1: ...ion of Electrostatic Discharge ESD to Electrostatically Sensitive ES Devices 3 2 2 About lead free solder PbF 4 3 Service Navigation 5 3 1 Service Hint 5 3 2 Applicable signals 6 4 Specifications 7 5 Troubleshooting Guide 10 5 1 No Power 10 5 2 Abnormal Display 10 5 3 No Display 11 5 4 Sound Problem 12 5 5 Remote Control Malfunction 13 6 Disassembly and Assembly Instructions 14 7 Block Diagram 29 ...

Page 2: ...e value with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be 100 Mohm and over When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug...

Page 3: ...tic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static 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 damag...

Page 4: ... the back of PCB Caution Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area...

Page 5: ... Hint Board Name Function Remarks Main Board Speaker out AV Terminal HDMI in SD Card PC in Digital Signal Processor Nile Tcon Tuner All boards are non serviceable and should be exchanged for service IR Board REMOTE RECEIVER LED Power Board Power AC DC DC DC Key Board Control Button Power switch ...

Page 6: ...nals COMPONENT Y PB PR HDMI Note Signals other than above may not be displayed properly The above signals are reformatted for optimal viewing on your display PC signal is magnified or compressed for display so that it may not be possible to show fine detail with sufficient clarity ...

Page 7: ...stereo mini Jack 1 Receiving System DVB T PAL Aerial input VHF UHF Operating Conditions Temperature 0 C 35 C Humidity 10 90 RH non condensing TH L32C5Z Power Source AC 220 240 V 50Hz Rated Power Consumption 105 W Standby Power Consumption 0 5 W Dimensions W H D With Pedestal 778 5 mm 546 7 mm 230 mm Without Pedestal TV only 778 5 mm 494 2 mm 127 4 mm Mass With Pedestal 10 3 kg Without Pedestal TV ...

Page 8: ...ni Jack 1 Receiving System DVB T PAL Aerial input VHF UHF Operating Conditions Temperature 0 C 35 C Humidity 10 90 RH non condensing TH L42U5Z Power Source AC 220 240 V 50Hz Rated Power Consumption 181 W Standby Power Consumption 0 5 W Dimensions W H D With Pedestal 1011 4 mm 676 5 mm 270 mm Without Pedestal TV only 1011 4 mm 625 mm 122 3 mm Mass With Pedestal 15 1 kg Without Pedestal TV only 13 3...

Page 9: ...6 8 mm 366 7 mm 45 2 mm Mass With Pedestal 4 2 kg Without Pedestal TV only 4 0 kg Display panel Aspect Ratio 16 9 Visible screen size 521 3 mm H 293 2 mm V 23 5 inches diagonal Number of pixels 2 073 600 1 920 W 1 080 H Sound Speaker 100 mm 27 mm 27 mm 2 16 Ω Audio Output 6 W 3 W 3 W 10 THD Headphones 3 5mm stereo mini Jack 1 Receiving System PAL B G Digital TV Aerial input VHF UHF Operating Condi...

Page 10: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 10 5 Troubleshooting Guide 5 1 No Power 5 2 Abnormal Display ...

Page 11: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 11 5 3 No Display ...

Page 12: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 12 5 4 Sound Problem ...

Page 13: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 13 5 5 Remote Control Malfunction ...

Page 14: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 14 6 Disassembly and Assembly Instructions TH L24X5A TH L24X5Z 1 Remove the screws to remove the stand ...

Page 15: ...the rear cover Rear cover is jointed with front cabinet by several hooks at top and both side After remove the screws take rear cover at bottom side and pull up it forcibly just like tearing rear cover from front cabinet 3 Unplug these connectors and cable clip on the main board and power board ...

Page 16: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 16 4 Remove the Speakers 5 Remove the screws to remove the Main Board and Power Board ...

Page 17: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 17 6 Remove the screws to remove the BKT 7 Remove the panel ...

Page 18: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 18 8 Remove the Key board and IR board ...

Page 19: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 19 TH L32C5Z TH L32C5S 1 Remove the screws to remove the stand ...

Page 20: ...the rear cover Rear cover is jointed with front cabinet by several hooks at top and both side After remove the screws take rear cover at bottom side and pull up it forcibly just like tearing rear cover from front cabinet 3 Unplug these connectors and cable clip on the main board and power board ...

Page 21: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 21 4 Remove the Speakers 5 Remove the screws to remove the Main Board and Power Board ...

Page 22: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 22 6 Remove the screws to remove the BKT ...

Page 23: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 23 7 Remove the panel 8 Remove the Key board and IR board ...

Page 24: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 24 TH L42U5Z TH L42U5S 1 Remove the screws to remove the stand ...

Page 25: ...the rear cover Rear cover is jointed with front cabinet by several hooks at top and both side After remove the screws take rear cover at bottom side and pull up it forcibly just like tearing rear cover from front cabinet 3 Unplug these connectors and cable clip on the main board and power board ...

Page 26: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 26 4 Remove the Speakers 5 Remove the screws to remove the Main Board and Power Board ...

Page 27: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 27 6 Remove the screws to remove the BKT 7 Remove the panel ...

Page 28: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 28 8 Remove the Key board and IR board ...

Page 29: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 29 7 Block Diagram Main Block Power Block TH L24X5A TH L24X5Z ...

Page 30: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 30 TH L32C5S TH L32C5Z TH L42U5S TH L42U5Z ...

Page 31: ... statement Caution Please confirm that all flexible cables are assembled correctly Also make sure that they are locked in the connectors Verify by giving the flexible cables a very slight pull 8 2 Wiring TH L24X5A TH L24X5Z 1 2 3 4 5 6 MB TO PANEL PB TO PANEL MB TO KB TO IR BOARD MB TO SPEAKER MB TO PB ...

Page 32: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 32 TH L32C5Z TH L32C5S 1 2 3 4 5 6 MB TO PB MB TO PANEL MB TO KB TO IR BOARD MB TO SPEAKER PB TO PANEL ...

Page 33: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 33 TC L42U5Z TC L42U5S 1 2 3 4 5 6 MB TO PB MB TO PANEL MB TO KB TO IR BOARD MB TO SPEAKER PB TO PANEL ...

Page 34: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 34 9 Exploded View and Replacement Parts List 9 1 Exploded View For TH L24X5A TH L24X5Z ...

Page 35: ...TH L32C5Z TH L32C5S TH L24X5A TH L24X5Z TH L42U5Z TH L42U5S 35 For TH L32C5Z TH L32C5S For TH L42U5Z TH L42U5S ...

Page 36: ...0000549A Rating Label 1 TPD4GA03921 Top Cushion 1 TPD4GA3931 Bottom Cushion 1 TPC4GA21601A Carton 1 TZZ00000502A PE Bag For Set 1 TZZ00000197A LVDS Cable 1 MB TO PANEL TZZ00000218A Cable 1 PB to PANEL Safety Ref No Part No Part Name Description Pcs Remarks 1 TZZ00000250A Bezel 1 2 TZZ00000185A Speaker 2 3 TZZ00000359A IR Board 1 4 L5EDDYY00394 LCD Panel 1 5 TZZ00000395A Power Board 1 6 TZZ00000334...

Page 37: ...D4GA03901 Bottom Cushion 1 TPC4GA21501A Carton 1 TZZ00000504A PE Bag For Set 1 TZZ00000217A Cable 1 PB to PANEL TZZ00000241A LVDS Cable 1 MB TO PANEL Safety Ref No Part No Part Name Description Pcs Remarks 1 TZZ00000249A Bezel 1 2 TZZ00000186A Speaker 2 3 TZZ00000359A IR Board 1 4 L5EDDYY00390 LCD Panel 1 5 TZZ00000403A Power Board 1 6 TZZ00000339A Main Board CBPFB6UMA3Q 1 7 TZZ00000433A IO Label ...

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