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Author Topic: Zener diode in PS1 PSU (Solved)  (Read 1339 times)

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Offline ShmoeMoTopic starter

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Zener diode in PS1 PSU (Solved)
« on: October 12, 2019, 10:43:53 am »
Hey guys, Fixing a friends PS1 as it had a ringing power supply and was smoking a little. I have found that one of the zeners on the output was shorted i have removed it and powered it up and the psu now works but i need to replace the zener. Does anyone know what the voltage of the zener is? Its listed a d103 / MAZ9120D0LS0-TX/L on the schematic and on page 21 of this manual. Every time i google the "part" number i just get linked back to psu manuals.
manualowl.com/m/PlayStation/SCPH-7501/Manual/330626?page=21#manual
« Last Edit: October 12, 2019, 02:36:32 pm by ShmoeMo »
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Offline RES

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Re: Zener diode in PS1 PSU
« Reply #1 on: October 12, 2019, 11:34:22 am »
Found this info here: http://datasheetz.com/data/Over%20Voltage,%20Current,%20Temperature%20Devices/TVS%20-%20Zener%20Diodes/MAZ9120H0LCT-datasheetz.html

Part Number:    MAZ9120H0L    
Manufacturer:    Panasonic - SSG
Series:    -
Short Description:    DIODE ZENER 12V 200MW MINI-3P

?
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Offline ShmoeMoTopic starter

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Re: Zener diode in PS1 PSU
« Reply #2 on: October 12, 2019, 02:35:50 pm »
Ahhhh thank you so much. Yeah i couldnt find nothing on datasheets, no matter how pages i went through.

Makes sense that it would be a 12v zener. Should have some laying around.
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