1 Safety Precautions 1.1. General Guidelines 1. 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. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
2 Warning 2.1. 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] components.
2.2. 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.
3 Service Navigation 3.1 Service Hint Power Board Main Board Key Board IR Board Board Name Function Remarks Speaker out, AV Terminal, HDMI in, SD Card, PC Main Board in, Digital Signal Processor, Nile-Tcon, Tuner boards IR Board Remote Receiver, LED serviceable and should Power Board Power (AC/DC), DC-DC...
3.2. Applicable signals COMPONENT (Y, PB, PR), HDMI Mark: Applicable input signal PC (from D-sub terminal/ HDMI terminal) Applicable input signal for PC is basically compatible to VESA standard timing Applicable input signal for PC is basically compatible to HDMI standard timing Note: •...
4 Specifications TC-L42U5H TC-L42U5L Power Source AC 110-127 V, 60Hz AC 110-220 V, 50Hz Rated Power Consumption 181 W Standby Power Consumption 0.5W With Pedestal: 1011.4 mm × 676.5 mm × 270 mm Dimensions (W × H × D) Without Pedestal (TV only): 1011.4 mm ×...
5. Troubleshooting Guide 5.1 No Power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board output=5V? Replace the Power board 1. RC can turn on the TV and Key can’t, replace the key board. Use RC or Key to turn on 2.
5.2 Abnormal Display Abnormal Display Check the OSD is Enter factory mode Reset normal? to Reset Replace LVDS Cable Replace the main board Replace the main board Replace the panel ...
5.3 No Display No display (LED No power (LED “Off”) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the P/S and ON/OFF signal is available? Reinsert or replace the...
5.4 Sound Problem No sound or sound abnormal Check the TV is muted, adjust the volume or enter the menu to reset? Check the audio source connection Replace the main board and the TV system are correct? Replace the speaker Replace the main board ...
5.5 Remote Control Malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board ...
6. Disassembly and Assembly Instructions 1. Remove the screws to remove the stand. ...
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2. Remove the screws to remove 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.
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4. Remove the Speakers. 5. Remove the screws to remove the Main Board and Power Board. ...
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6. Remove the screws to remove the BKT. 7. Remove the panel. ...
8 Wiring Connection Diagram 8.1. Caution 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 ①...
9.2 Replacement Parts List Note: All parts aresupplied by PAVCA. for TC-L42U5H Safety Ref.No. Part No. Part Name & Description Remarks TZZ00000373A Bezel TZZ00000186A Speaker TZZ00000357A IR Board L5EDDYY00390 LCD Panel TZZ00000402A Power Board TZZ00000347A Main Board-CBPFB6USA2 TZZ00000430A IO Label...
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for TC-L42U5L Safety Ref.No. Part No. Part Name & Description Remarks TZZ00000373A Bezel TZZ00000186A Speaker TZZ00000357A IR Board L5EDDYY00390 LCD Panel TZZ00000402A Power Board TZZ00000344A Main Board-CBPFB6FSX5 TZZ00000432A IO Label TZZ00000293A Stand TZZ00000280A Rear Cover TZZ00000370A Key Cover TZZ00000371A Key Pad TZZ00000362A Key Board TZZ00000289A...