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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
2023, April 29 - 09:44
#515351
mosomedve
mosomedve picture
10 years 6 months

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

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