background image

12

 

5.3 No Display 

 
 
 
 
 
 

 
 

 

 

Check the P/S and 

ON/OFF 

signal is available? 

Replace main board

Replace the power board

Panel Vcc = 5V? 

Replace the Panel 

No display (LED No 
power (LED “Off”) 

Replace the main board

Check the backlight is 

 “On”? 

Check the LVDS cable 

Reinsert or replace the 

LVDS cable 

Replace the main board

Replace the Panel 

 

No

Yes

Yes 

No

Yes

No 

No 

Yes

Yes 

No

Yes 

No

 

Power board output

12/16V? 

Check TV is under control and power 

on/off by remote control and 
power key? 

Содержание TH-L24X5D

Страница 1: ...mpt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death IMPORTANT SAFETY NOTICE There are special components used...

Страница 2: ...1 Service Hint 6 3 2 Applicable signals 7 4 Specifications 8 5 Troubleshooting Guide 10 5 1 No Power 10 5 2 Abnormal Display 11 5 3 No Display 12 5 4 Sound Problem 13 5 5 Remote Control Malfunction 1...

Страница 3: ...en 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 rea...

Страница 4: ...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...

Страница 5: ...e 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 sold...

Страница 6: ...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...

Страница 7: ...tible to VESA standard timing Applicable input signal for PC is basically compatible to HDMI standard timing Note Signals other than above may not be displayed properly The above signals are reformatt...

Страница 8: ...8 4 Specifications...

Страница 9: ...9 Note...

Страница 10: ...input and the power is ON Power On Power board output 5V Replace the Power board Yes No Yes No Use RC or Key to turn on the TV No Yes 1 RC can turn on the TV and Key can t replace the key board 2 Key...

Страница 11: ...1 5 2 Abnormal Display Abnormal Display Replace LVDS Cable Replace the main board Replace the panel No No Yes No Enter factory mode to Reset Replace the main board No Yes Reset Check the OSD is normal...

Страница 12: ...e Panel No display LED No power LED Off Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No...

Страница 13: ...nd or sound abnormal Check the TV is muted adjust the volume or enter the menu to reset Replace the main board Check the audio source connection and the TV system are correct No Yes Replace the main b...

Страница 14: ...ol malfunction Replace the battery Replace the remote control Whether the IR board is abnormal Yes Replace the IR board Replace the main board Yes Yes Use the other remote controls Check the remote co...

Страница 15: ...15 6 Disassembly and Assembly Instructions TH L24X5D 1 Remove the screws to remove the stand...

Страница 16: ...inted 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 t...

Страница 17: ...17 4 Remove the Speakers 5 Remove the screws to remove the Main Board and Power Board...

Страница 18: ...18 6 Remove the screws to remove the BKT 7 Remove the panel...

Страница 19: ...19 8 Remove the Key board and IR board...

Страница 20: ...20 7 Block Diagram Main Board Power Board...

Страница 21: ...se 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 L24X5D CN701 CN1...

Страница 22: ...22 9 Exploded View and Replacement Parts List 9 1 Exploded View...

Страница 23: ...r Cover 1 10 TZZ00000517A Key Cover 1 11 TZZ00000519A Key Pad 1 12 TZZ00000365A Key Board 1 13 TZZ00000527A Base 1 TZZ00000189A Power Cord 1 TZZ00000001A Remote Controller 1 TZZ00000457A Manual 1 TZZ0...

Отзывы: