PSOne SCPH-902 Motherboard Component Identification Question

Discussion in 'Repair, Restoration, Conservation and Preservation' started by martin_crickett, Jan 22, 2014.

Watch Thread
  1. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0
    PS1.jpg

    Hello,

    Could anyone please tell me what the three components are underneath IC304? They have "220" written on them. I think they could be fuses but I am not sure.

    Background info:

    I decided to mod this PSOne years ago and unfortunately I wasn't very good at soldering and as a result managed to lose all three of these components. I returned to this console recently and managed to replace them thanks to a scrap SCPH-9002 board. The one on the left had it's bottom solder pad ripped off but luckily I scraped of the top layer of PCB to reveal the trace and bridge with solder.

    Anyway the PSOne all seems to work brilliantly :D But I was still curious to see what these components are...

    Thank you for any information :)
     
    martin_crickett, Jan 22, 2014 Report
    #1 + Quote Reply
  2. Bad_Ad84

    Bad_Ad84 The Tick

    Joined:
    May 26, 2011
    Messages:
    8,566
    Likes Received:
    1,309
    22ohm resistor.

    Don't know package from memory though
     
    Bad_Ad84, Jan 22, 2014 Report
    #2 + Quote Reply
  3. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0
    Ah! Thank you very much for the info :)
     
    martin_crickett, Jan 22, 2014 Report
    #3 + Quote Reply
  4. Helder

    Helder Site Supporter 2014,2015

    Joined:
    Apr 6, 2013
    Messages:
    981
    Likes Received:
    54
    Helder, Jan 23, 2014 Report
    #4 + Quote Reply
  5. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0
    Thanks guys :) the resistor on the left of the image has been removed and instead a piece of wire is bridging the top solder pad to the trace. What negative effects could there potentially be? Ie could the laser mechanism die quicker than usual?
    It's not a problem because this particular console will never be used, it was nice to just simply get it working again.
     
    martin_crickett, Jan 23, 2014 Report
    #5 + Quote Reply
  6. Bad_Ad84

    Bad_Ad84 The Tick

    Joined:
    May 26, 2011
    Messages:
    8,566
    Likes Received:
    1,309
    Resistors are there for a reason. A piece of wire isn't a resistor. Why do people think you can just ignore components? Would you do that in a car?
     
    Bad_Ad84, Jan 23, 2014 Report
    #6 + Quote Reply
  7. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0

    Yes of course they are, I agree with what you're saying!

    This particular console is unlikely to ever get used so therefore I am happy with leaving it as it is for now. If that was to ever change then absolutely I would complete the repair including said resistor.

    My question was purely out of curiosity of what the potential side effects would be.
     
    Last edited: Jan 23, 2014
    martin_crickett, Jan 23, 2014 Report
    #7 + Quote Reply
  8. Bad_Ad84

    Bad_Ad84 The Tick

    Joined:
    May 26, 2011
    Messages:
    8,566
    Likes Received:
    1,309
    Damage the console, functions not work correctly, chips frying. The usual
     
    Bad_Ad84, Jan 23, 2014 Report
    #8 + Quote Reply
  9. master991

    master991 Enthusiastic Member

    Joined:
    Jun 4, 2012
    Messages:
    597
    Likes Received:
    28
    You can also use a standard 1\4W resistor, the important thing is that you bridge nothing...
    Bridge must stay only on rives :p
     
    Last edited: Jan 23, 2014
    master991, Jan 23, 2014 Report
    #9 + Quote Reply
  10. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0
    Haha no probs!

    For the sake of the PSOne, next time I get a chance the bridge will be replaced with an appropriate resistor.

    I wish it no harm!
     
    martin_crickett, Jan 23, 2014 Report
    #10 + Quote Reply
  11. martin_crickett

    martin_crickett Rising Member

    Joined:
    Jul 20, 2012
    Messages:
    50
    Likes Received:
    0
    Solder bridge removed, reworked including resistor.

    All is well :)
     
    martin_crickett, Feb 4, 2014 Report
    #11 + Quote Reply
sonicdude10
Draft saved Draft deleted
Insert every image as a...
  1.  0%

Share This Page