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Strange PVR laser issue
Strange PVR laser issue –
I have modded a V12 with the Matrix Infinity + Slimfix V3 6 months ago and replaced the SPU laser by a PVR one with lenschanger.
Everything worked good, until 1 week ago.
Somebody sent back his pstwo, and I saw the following:
1) DVD's backup/original did not play. Checking the DVD movement, and it had lots of problems reading. Then started to spin, stopped, started again, stopped.
2) CD's were read very good
I replaced the laser by a new one, but still saw the same problem. The DVD laser also produced light.
I measured the focus- and tracking coils of both lasers, and they are both fine.
I replaced the Slimfix V3, by Subzero fix + Summone fix on the 30000 Ohm tracking coil.
But still the same problem.
I measure all connections, measure all the resistors in the tracking- and focus area and they are all fine.
Removed 3.3V + GND wires and still the same problem.
I measure all the wires and checked all the solder points and all were OK.
What do you think is the problem ???????