Pioneer CX-692 Service Manual - Page 7
Browse online or download pdf Service Manual for DVD Player Pioneer CX-692. Pioneer CX-692 29 pages. Dvd/cd mechanism unit
1) Focus searching
±
F
Far
Relative
distance between
the lens and the disc
Near
0
EC
2) Focus closeing
STANDBY
(Inside the servo LSI)
Close
(Inside the servo LSI)
RF
SBAD
FOK
(Inside the servo LSI)
STANDBY
Offsetting
Offsetting
FOK
R=100kΩ
Monitor
C= 0.016µF
Focusing point
ECR(Reference voltage at 2.5V)
Normally,focus closing is made at this point
(Reference voltage at 2.1V)
H
L
CLOSE
OPEN
SBREF
(Reference voltage at 2.1V)
H
FOK = 32mS
L
CX-692
Fig. 8
7