Panasonic TH-L32C8C (KM05 core) LCD TV sometimes does not boot, light flashing 7 times failure repair method -Service Manual Download|Circuit Download|Download Drawings|schematic download|route map download|free download user manual

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Panasonic TH-L32C8C (KM05 core) LCD TV sometimes does not boot, light flashing 7 times failure repair method

Time：2014-07-13 16:10:49 Source：Network Author：Unknown Clicks：1190

From the phenomenon analysis: sometimes don't boot, automatic shutdown, sometimes shows the component thermal stability is not good, poor contact, such as virtual welding; And the above two faults are the generality of the LED flash 7 times, shows that the same may be bad reasons. Both bad is LED flash 7 times, failure should be caused by TV - SOS circuit action. The 12 v power supply circuit problems or SOS circuit misoperation, can make TV to SOS circuit action, so the protection. Qh9service manual download site
Qh9service manual download site
Repair process: Qh9service manual download site
Qh9service manual download site
1, check the 12 v power supply circuit and control circuit (SUB) ON the components have poor thermal stability or virtual welding, the phenomenon such as poor contact. Qh9service manual download site
Qh9service manual download site
Qh9service manual download site
2, check the TV - SOS components have poor thermal stability of the circuit or virtual welding, the phenomenon such as poor contact.Qh9service manual download site