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Philips 715G4801-P1A-H20-002U power supply - No 5V standby

Hello team!,
 Trying to repair a 715G4801-P1A-H20-002U philips power supply.I am stuck.The p.s. has 340V at main 100μF Capacitor and till now I replaced the TNY278 IC but with no success.I would appreciate any help from you guys.
Best Regards,
George

Comments
mosomedve
mosomedve picture

The primary side of the stby transformer is broken. Second, check the passive components in the stby circuit.

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