Author Topic: QNAP TS-1079 Pro (TS-879 Pro) Backplane info  (Read 953 times)

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Online charlydTopic starter

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QNAP TS-1079 Pro (TS-879 Pro) Backplane info
« on: April 27, 2022, 10:54:31 am »
Hello i have this Qnap ts-1079 pro nas on my bench which doesn t recognized any of the drives.  the pcb is build arround Xilinx Spartan A3 XC3S50A-VQG100AGQ and 4 marvell 88SE9125 controllers which are connected to the PCIe x4 bus.
Just on the beginning of the board inside the red circle next the PCIe bus connector is a signal conditioner (Macom) M21451G located.  i don t have much info about this conditioner and slo not from the circuitry arround it.

my question is if anybody with a working TS-1079 is willing to do some measurement for me. on the APL1084 regulator located in the red circle on the picture
it is quit easy accesable from the back of the unit just 3 screws to take the fan panel out don t disconnect the fans.

when you look inside you see the backplane and the regulator is positioned on the left side just outside the metal pcb frame.  see picture.

i am curious to the voltages going IN[3] and OUT[2 or heatsink] of this APL1084 regulator and also the ADJ [1] voltage,  because the pcb in my unit is completely colored.  the APL1084 is a 5Amp adjustable regulator.




« Last Edit: April 27, 2022, 11:37:23 am by charlyd »
 

Online charlydTopic starter

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Re: QNAP TS-1079 Pro (TS-879 Pro) Backplane info
« Reply #1 on: May 01, 2022, 09:18:22 pm »
Who can help me out with finding this make or part model.
it a fast diode  and used as ldo reverse current protection...see attachment.
and yes i can use many model but i want the specs of this diode
it looks like a RBxxx. model  (schottky )
but the numbers what type is it?
« Last Edit: May 02, 2022, 06:22:46 pm by charlyd »
 


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