TH-42LF6W_TH-42LF60W 1 Safety Precautions 1.1. General Guidelines 1. When conducting repairs and servicing, do not attempt to modify the equipment, its parts or its materials. 2. When wiring units (with cables, flexible cables or lead wires) are supplied as repair parts and only one wire or some of the wires have been broken or disconnected, do not attempt to repair or re-wire the units.
TH-42LF6W_TH-42LF60W 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip”...
TH-42LF6W_TH-42LF60W 3.2. Applicable signals *1 Not compatible with SYNC ON G. • The signal format automatically detected may differ from the actual input signal in display.
TH-42LF6W_TH-42LF60W 5 Service Mode 5.1. CAT (Computer Aided Test) mode How to access the CAT mode. Method A Main unit + remote control operation Press and hold the button on the right side of the unit and press the RECALL button on the remote control 3 times quickly within 2 second, this will place the unit into the CAT mode.
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TH-42LF6W_TH-42LF60W 5.1.2. CD mode Select the CD mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute button on the remote control more than 3 seconds. Memory data change To exit the CD mode, press the R button on the remote control. About the serial number display As for the serial number of A-module for repair, a dummy value is displayed.
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TH-42LF6W_TH-42LF60W 5.1.3. SD mode Select the SD mode by Up/Down button on the remote control at the front page of CAT mode and then press the Action button on the remote control. To exit the SD mode, press the R button on the remote control. 5.1.4.
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TH-42LF6W_TH-42LF60W 5.1.5. NW mode Note : To use the network function, set each "Network Setup" setting and make sure to set the "Control I/F Select" to "LAN" or "RS232C". Select the NW mode by Up/Down button on the remote control at the front page of CAT mode and then press the Action button on the remote control.
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TH-42LF6W_TH-42LF60W To exit the NW mode, press the R button on the remote control. 5.1.6. ID mode Select the ID mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute button on the remote control more than 3 seconds.
TH-42LF6W_TH-42LF60W 6 Troubleshooting Guide 6.1. Self Check 6.1.1. Display Indication 1. Self-check is used to automatically check the bus line controlled circuit of the LCD display. 2. To get into the Self-check mode, press the volume down button on the right side of the unit, at the same time pressing the OFF-TIMER button on the remote control, and the screen will show.
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TH-42LF6W_TH-42LF60W 6.1.2. Power LED Blinking timing chart 1. Subject Information of LED Blinking timing chart. 2. Contents When an abnormality has occurred to the unit, the protection circuit operates and resets to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit. Refer to 6.1.1 Display Indication...
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TH-42LF6W_TH-42LF60W 6.1.3. LCD Panel test mode The failure-diagnosis by LCD Panel test mode To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed. [How to display the test pattern] (1) Main unit + remote control operation 1.
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TH-42LF6W_TH-42LF60W [Diagnostic flow chart] It displays. Is a test pattern Failure of A-Board displayed normally? It is still abnormal. It is abnormal. If "FRAME CREATION" of It disappears. Is a part abnormal "PICTURE" in On-Screen Failure of FR-Board even in a test pattern? Menu is set to "OFF", does symptom disappear? Vertical line/...
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TH-42LF6W_TH-42LF60W [Reference: FRAME CREATION] FRAME CREATION is the function to double the number of display segments of an image and to show a fast moving scene more finely. FRAME CREATION :Please select "OFF", when an image is unnatural. MIDDLE "FRAME CREATION" setting is a setting of intermediate frame generation when carrying out double-speed processing (from 60 to 120 frames).
TH-42LF6W_TH-42LF60W 7 Disassembly and Assembly Instructions 7.1. PCB Layout 7.2. Preparation 7.3. About disassembly Please pull soft cloth etc. not to damage a screen and please replacement turn the front of a main part down and lay it down Cautions when replacing each component -When you replace each component, please be sure to carry out according to the following procedure.
TH-42LF6W_TH-42LF60W 7.5. A-Board replacement 1. Disconnect the connectors and remove the screws. 2. Remove the screws, and then remove the A-Board from the Terminal Metal.
TH-42LF6W_TH-42LF60W 7.14. Caution about the sticking parts of LCD Panel Put Aluminium Tape (23) and Gasket (24) on new LCD panel when replacing LCD panel.
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TH-42LF6W_TH-42LF60W Boss for VESA and Main board : Take them from previous LCD panel and put them on new LCD panel when replacing LCD panel.
TH-42LF6W_TH-42LF60W 10.2. Replacement Parts List Model : TH-42LF6W Safety Ref.No. Part No. Part Name & Description Remarks TZZ00001223A Bezel TZZ00001224A Rear Cover TZZ00001218A Key Cover TZZ00001221A Key Pad TZZ00001228A Cabinet fixing Metal Top TZZ00001229A Cabinet fixing Metal Left TZZ00001230A Cabinet fixing Metal Right...
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TH-42LF6W_TH-42LF60W Model : TH-42LF60W Safety Ref.No. Part No. Part Name & Description Remarks TZZ00001222A Bezel TZZ00001224A Rear Cover TZZ00001218A Key Cover TZZ00001221A Key Pad TZZ00001228A Cabinet fixing Metal Top TZZ00001229A Cabinet fixing Metal Left TZZ00001230A Cabinet fixing Metal Right TZZ00001231A Cabinet fixing Metal Bottom Left TZZ00001232A Cabinet fixing Metal Bottom Right...