Marantz Service Manual error thread

Discussion in 'Marantz Audio' started by Jailtime, Jun 16, 2011.

  1. quaddriver

    quaddriver 120 What's per channel Subscriber

    2252 serial 0041970

    Service manual and Schematic from hifi-E.

    issue 1: P200 tuner board

    C307, is listed as a polarized .22uf 50V cap between pins 10/11 of the HA1196

    found instead .22uf BP 50V electrolyte

    using the 'replace what I found' methodology, I dipped into my tube radio stuff and used a .22uf 50v poly cap.

    Issue 2: P700 Main Amp board

    in the center of the SCM is the relay protection circuit.

    You will note that the screen print lists C730 and C731 which are NO WHERE on the SCM. The SCM lists C722 twice.

    IN this instance the C722 220uF-10v is really C731 on the screen print

    and C721 in the SCM that is 47uF-16V is really C730 on the screen print.

    Orientations are correct however so replace as found.
     

     

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  2. blhagstrom

    blhagstrom Mad Scientist, fixer. Subscriber

    Messages:
    12,556
    Location:
    Duvall, Washington
    Marantz 2215
    Tuner MPX board P400
    Capacitor C414, 33uf, 6.3V (service manual lists it as a 10V)

    BOTH the silk screen on the board AND the service manual board image are wrong.
    Positive (+) is towards the inside of the board.
     
  3. quaddriver

    quaddriver 120 What's per channel Subscriber

    Marantz 2230 serial 152630

    P400 board (tone) There are 2 .47-50v films at R418/R419 on the screen print that are NOT in the schematic from hifi-E

    I replaced what I found with WIMA films.

    The SCM on hifi-E does say there will be C416/C417 that are .47uf 25v polarized, but Ill be danged if I can find them.

    Mebbe a missing rev from the hifi E doc? The SM and corresponding SCM *here* is the same.
     
  4. TubeJunkie

    TubeJunkie AK Subscriber Subscriber

    Messages:
    321
    Location:
    TN
    8AEF5BFC-E4BB-4BDE-819E-CA34615A8DEA.jpeg Marantz 2252b . C701 (3.3uf) is installed backawards or silkscreen of cap or board is wrong? Someone please verify?
     

    Attached Files:

  5. wurlyman

    wurlyman Active Member

    Messages:
    233
    Location:
    Sacramento, CA
    If that's the way you opened it up with the original cap and it had been working, I'd say the silkscreen is wrong on the board. Also the cap doesn't look distressed, no bulge or leakage. If the unit has been working always install the way you found it. It's not uncommon to find a mistake like that.
     
    Last edited: May 21, 2018 at 8:32 PM
    TubeJunkie likes this.

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