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Philips (Black Tulip) N5748 HI-FI Cassette Deck Power Outage

Discussion in 'Power Electronics' started by Michael/5of9, Dec 11, 2018.

  1. Michael/5of9

    Michael/5of9

    13
    0
    Jan 25, 2017
    A very good day to you all on Electronics Point Forum;

    I have inadvertently caused the loss of part of the power supply; can someone please give me some help with restoring this back.

    Have lost power to both motors and both solenoid valves (relays 475, 476); this is a Philips (Black Tulip) N5748 HIFI Cassette Deck; the construction is the same as the N2552.

    These are the voltages I have on Board U302 Connection block;

    18. -1Mv
    25. +27v this one is correct
    27. -2Mv
    28. -1Mv

    The full size Service Manual and individual relevant pages can be seen here can be seen hear on my OneDrive; many thanks in advance for your help.
    https://1drv.ms/f/s!AuQDAPiShOjc9RoD2G3xlbzfvUuQ
     

    Attached Files:

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