I have disassembled the laser/lens/mirror unit, and did a cleaning according to the instructions by japcast in his video on Youtube. By the way, this is a great instruction video!
I did find after disassembly and uncovering the mirror, that it was very dirty. Look for yourself:
After cleaning and re-assembly I did a CD play test, unfortunately with still the same error as when I started.
After that I did a TestMode run #27 again. Interestingly with some different results than when I did this run before cleaning. Here’s the differences:
Before cleaning:
- NO ML ERROR
- 1 IIC ERR104 = The 35IC2 motor processor
- 1 CD ERR 2 = Focus error, it has not been possible to find focus.
- NO SER ERROR
- 1 SLG ERR 31 = microprocessor 35IC2 cannot register pulses from 9PE1.
- NO PLT ERROR
- 1 APS ERROR 15 = it has taken more than 5 seconds to carry out auto positioning. The turntable motor driver might be defective.
After cleaning:
- NO ML ERROR
- NO IIC ERR
- 1 CD ERR 2 = Focus error, it has not been possible to find focus.
- NO SER ERROR
- NO SLG ERR
- NO PLT ERROR
- NO APS ERROR
So, it’s positive that most errors are gone. Though a pity that it still doesn’t play.
My questions
- I guess there is only one thing left; replacing the laser/lens/mirror unit. Correct, or are there still other possibilities?
- If I need to order a replacement laser/lens/mirror unit, where can I find it? And where can I trust it is the right one and working? (I need it for a BS9000 MK2, type 2561)
