ldzhjx0104 Publish time 2016-01-19 03:00:21

denon DCP-150 spindle motor rollbacks

I have a DCP-150 CD player. but the spindle motor rotates reverse. who can give me any suggestion about that?

kaosun Publish time 2016-01-19 12:11:31

If you soldered the two motor's wires conversely, the motor will rotate CCW.
It might rotate CW shortly then suddenly rotate CCW, this is a severe EF issue which means your EF doesn't balance. You need checking your EF VR or replacing a laser for try.

ldzhjx0104 Publish time 2016-01-19 18:55:42

actually, I checked CXA1272 Pin 39 voltage is from 1.4-2.4V, at first, it will be 2.4V, it rotates clockwise, but after 1 second later, the voltage will be 1.4V, it rotates CCW, I also checked BA10358, CXA 1271 EF balance, it should be OK, because I have another DCP-150, I just refer to that one to adjust EF balance. but it still doesn't work.

kaosun Publish time 2016-01-19 19:26:46

DCP150 has lots of aging and leaking SMT capacitors, did you replace them all and clean your PCB??

ldzhjx0104 Publish time 2016-01-19 20:38:00

absolutely, I replaced all the capacitors.
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