Pioneer SX-950 wont come out of protection

D1 .572
D5 .533
D7 .528
Well D5 is the STV-4H biasing diode. If it is reading .533, then it is bad. Are you sure about that? What about D9??

Please take a picture of this D5 you just mentioned!!
Is the D5 you just checked the one with the long white insulated leads??
 
Last edited:
Oops, I stand corrected ( I thought that 9 was a 5 on the schematic)

Correct info is

D1 .572
D9 .533
D7 .528

D5 is 1.215
 
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