User manual LG 60LN575V

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Manual abstract: user guide LG 60LN575V

Detailed instructions for use are in the User's Guide.

[. . . ] Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1 W), keep the resistor 10 mm away from PCB. [. . . ]  fter removing an electrical assembly equipped with ES A devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. Some solU der removal devices not classified as “anti-static” can generate electrical charges sufficient to damage ES devices.  o not remove a replacement ES device from its protective D package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material). mmediately before removing the protective material from the I leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device.  se a grounded-tip, low-wattage soldering iron and appropriU ate tip size and shape that will maintain tip temperature within the range or 500 °F to 600 °F.  se an appropriate gauge of RMA resin-core solder composed U of 60 parts tin/40 parts lead.  uickly draw the melted solder with an anti-static, suctionQ type solder removal device or with solder braid. CAUTION: Work quickly to avoid overheating the circuit board printed foil. Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or "lift-off" the board. The following guidelines and procedures should be followed whenever this condition is encountered. At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board.  arefully scratch away the solder resist and acrylic coating (if c used) from the end of the remaining copper pattern.  end a small "U" in one end of a small gauge jumper wire and B carefully crimp it around the IC pin.  oute the jumper wire along the path of the out-away copper R pattern and let it overlap the previously scraped end of the good copper pattern. At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins. This technique involves the installation of a jumper wire on the component side of the circuit board. R Remove at least 1/4 inch of copper, to ensure that a hazardous condition will not exist if the jumper wire opens.  race along the copper pattern from both sides of the pattern T break and locate the nearest component that is directly connected to the affected copper pattern.  onnect insulated 20-gauge jumper wire from the lead of the C nearest component on one side of the pattern break to the lead of the nearest component on the other side. [. . . ] C (3)  heck the 'Tool Option'(Refer to the BOM Comments or C Adjustment spec. Model name & Serial number D/L 1) Press "Power on" key of service remote control. ) (2) Check the method of CI+ key value(RS232) 1) Into the main ass’y mode(RS232: aa 00 00) CMD 1 CMD 2 Data 0 A A 0 0 2) Check the mothed of CI+ key by command (RS232: ci 00 20) CMD 1 C CMD 2 I 2 Data 0 0 4. (3)  erial number D/L must be conformed when it is produced S in production line, because serial number D/L is mandatory by D-book 4. [. . . ]

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