Connecting a test substitute in parallel with an electrolytic capacitor in the receiver. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. Removing or reinstalling any component, circuit board module or any other receiver assembly. Always unplug the receiver AC power cord from the AC power source before a. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. SERVICING PRECAUTIONSCAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. Good Earth Ground such as WATER PIPE, CONDUIT etc.ĬAUTIONPlease use only a plastic screwdriver to protect yourself from shock hazard during service operation. Leakage Current Hot Check CircuitAC Volt-meter (Cleaning with a dirty or rough cloth may damage the panel.) If the surface of panel become dirty, please wipe it off with a softmaterial. Avoid contact with water as it may a short circuit within the module. The module not be exposed to the direct sunlight. Do not leave the module in high temperature and in areas of high humidity for a long time. Make certain that treatment persons body are grounded through wrist band. Protect the module from the ESD as it may damage the electronic circuit (C-MOS). Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel. Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen. Must mount the module using mounting holes arranged in four corners. TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT. If the wires are pressed cause short and may burn or take fire. Handle with care wires or connectors of the inverter circuit. WARNINGBE CAREFUL ELECTRIC SHOCK ! If you want to replace with the new backlight (CCFL) or inverter circuit, must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms. Do not modify original design without obtaining written permission from manufacturer or you will void the original parts and labor guarantee. It is essential that these critical parts should be replaced with the manufacturers specified parts to prevent electric shock, fire or other hazard. These parts are marked on the schematic diagram and the replacement parts list. There are some special components used in LCD monitor that are important for safety. PRECAUTIONWARNING FOR THE SAFETY-RELATED COMPONENT. Operating Frequency Horizontal : 30 ~ 83kHz Vertical : 56 ~ 75Hz MTBF : 50,000 HRS with 90% Confidence Lamp Life : 50,000 Hours(Min) 7. Relative Humidity : 10%~80% (Non-condensing) 6-3. Video Input Signal 1) Type 2) Voltage Level a) Color 0, 0 b) Color 7, 0 c) Color 15, 0 3) Input Impedance : R, G, B Analog : 0~0.71 V : 0 Vp-p : 0.467Vp-p : 0.714Vp-p : 75Ħ. Sync Signal Type : Separate Sync, SOG 3-2. Less than 27 W less than 1 W less than 1 W less than 1 W less than 1 WĢ. Power ConsumptionMODE POWER ON (NORMAL) STAND-BY SUSPEND H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON ACTIVE OFF/ON ON/OFF Resolution D-sub Analog : 1440 x Interface Operating Mode Backlight Unit LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area Pixel Pitch Color Depth Size : 0.255 (H) x 0.255 (V) : 17 inch 4. 21 EXPLODED VIEW.22 REPLACEMENT PARTS LIST. 8 BLOCK DIAGRAM.10 DISCRIPTION OF BLOCK DIAGRAM. : LM76DīEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.ĬONTENTSSPECIFICATIONS.
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