Luxman D-111 - Servo Issue ( I guess ) - diyAudio
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Old 25th January 2011, 09:06 AM   #1
diyAudio Member
 
Join Date: Sep 2008
Unhappy Luxman D-111 - Servo Issue ( I guess )

This old baby has some strange issues , tried to repair it but now i`m nowhere position :
Quote:
Your tray is trying to close because the leaf switch contacts are oxidized. Clean the contacts, do not use anything abrasive.
- read all of the themes in regards of it but nothing really helps.

I`l try to explain what i`ve done to it : Focus Driver , Tracking Driver , Sled motor driver and Spindle motor driver transistors where damaged - they are now replaced with 2SA1315/ 2SC3328 . Spindle motor is working just fine but track motor is bumping itself in one position again and again . Limit sw is working - checked him with multimeter. Next strange thing is that the servo driver : CXA1082A is running very hot .

Any suggestions ? aaah and if anyone has a user manual/scheme it will be in help here , trying to see the actual scheme from another manual - but i think that there are some differences .
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Old 2nd February 2011, 05:14 PM   #2
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Join Date: Sep 2008
no one - nothing ? Can`t be true , come on guys don`t be shy
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Old 29th December 2012, 06:21 AM   #3
Tomom is offline Tomom  Australia
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Join Date: Dec 2010
Hi Krokotam...
How did you go with fixing your Lux D-111? I have diagram...and some problems I can not fix. Focus (mainly) and tracking transistors were getting very hot, but didn't burn. I replaced them with BD139/140, still the same. Music goes on for about 50 sec. and then jumps back for 20 sec. or so?? Sometimes it would play next track if I jump to one, sometimes not; CXA1082A is not getting hot. I suspect shorted focus coil, not sure...
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Old 29th December 2012, 06:25 AM   #4
Tomom is offline Tomom  Australia
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Join Date: Dec 2010
One more thing: Service note says: switch power on (no CD in) and observe:

1. The optical pick-up move to outside and then move to inside.
2. Laser beam emits spreadingly.
3. The objective lens perform up-and-down three times.

I have 2. and 3. , but not one
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