Service Manuals, User Guides, Schematic Diagrams or docs for : Magnavox Philips_repair_tips

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MODEL:      37PFL7662D/05
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FAULT:      Sound okay, no picture
            Brief flash (~2secs) from the backlight
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DIAGNOSIS:  Test resistance of secondary of all inverter transformers
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FIX:        Replace any transformers (usually just one) which measure greater
                than 3% out from the majority
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MODEL:      32PF4320
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FAULT:      Dead (no power at all)
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DIAGNOSIS:  Replace mains fuse. See if it blows again
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FIX:        If the fuse blows:
                - replace standby control IC; or
                - replace PSU
            If the fuse doesn't blow, enjoy the TV!
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MODEL:      32PF9975, 37PF9975, 42PF9975 using FHP Plasma Panel
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FAULT:      Runs for approx 10~20 minutes then shuts down
            Buzzes before shut down occurs
            Shuts down faster when hot
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DIAGNOSIS:  Heat up the PFC preconditioner section (near the large coil which 
            makes the buzzing sound before it shuts down.) If TV shuts down, 
            fault is in this area, and is most likely leaky MLCC fault.
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FIX:        Replace capacitors 2673 thru 2676 (10nF 630V 1206.)
================================================================================

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