|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
I really like this manual and it's reliable.I found and bought easly.thank you.
;
Thank you very much. the Instruction corresponds to my expectations. Sent it in time. I don't regret that paid money.
;
Good quality. Quick service. I recommend to everyone.
;
Very good quality scan of the document. I am very pleased with what I got.
;
PDF Contains
Technical Data, Mechanical data, Detailed Circuit diagram with components value, PCB layout. Actual PCBs Print. Component List, Spare parts code list and Input output detail. It cover LBB1211, LBB1212, LBB1213, LBB1216, LBB1217.
It is the actual Service Manual for SQ10
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
|
|
|
> |
|
