Question about Sony (XL-2400) Projector Lamp for KDF-E42A10, KDF-E50A10
The fault is in the power section ,unless you can notice a visible damage of the mains capacitor or related circuit in the SMPS( try to replace main filter capactiors , secondary filters) the possibility that the current limiter is working to shut off is a possibility.
The power supply unit can be the main suspect and to check it on the circuit will be difficult as you will need to work and put it back again which is not very good for the main board. so if a spare one can be got to test to confirm, you can get the SMPS replaced.
Check also the optocoupler , the main SM driver.
Posted on Sep 02, 2010
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Posted on Jan 02, 2017
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