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Well-scanned, complete manual. Contains the information needed for repair and maintenance.
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It's great to be able to obtain a precious technical information for a real old equipment. The one I got helps me a lot in the area of wiring diagram to repair my antique. PDF gave me clear enough information to find out thr details. Thanks for giving me the oppotunity to be able to access to almost vanished informations.
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Another excellent aquisition. Fine detailed manual. Thanks
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Good quality for the scan, complete, but as usual for Tascam, not so comprehensive !
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great manual readable & easy to downlaod to be recommanded
3. PickUp Head Initial Postion
PickUp Head Initial Postion 1. Move Pick Up Head to inner diretion until pin5 of MJ4="L" 2. If pin5 of MJ4="L", then move Pick Up Head to outer diretion for a short time. 3. Ture On the Laser of Pick Up Head to judge that disc is presence or not.
3
Does Pick Up Move to inner direction?
N
Is pulse of 2.5 +-2.5V developed at pin3,4 of MJ4?
Y
Check connection between PCB and MECHA
N Y Check peripheral circuit of DU3 and MU9 Check BUS line between DU3 and DU5 Check connection between PCB and MECHA
Is pulse of 2.5 +-2.5V developed at pin13 of DU3?
Y
N
Does Pick Up Move to out direction again? Y Does Laser Turn On? N
N
Is pin5 of MJ4 = "L" appeared? Y
Check line between DU3 and MJ4
N
OK
Check voltage at pin17 of RCN1 is about 2.5V? N
Check BUS line between RU1 and DU3,DU3 and DU5
Y
Replace Pick Up Head
Samsung Electronics
9-11
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