Pioneer CX-692 Manual de servicio - Página 3
Navegue en línea o descargue pdf Manual de servicio para Reproductor de DVD Pioneer CX-692. Pioneer CX-692 29 páginas. Dvd/cd mechanism unit
Imprimir página1.2 FOCUS-JUMPING CIRCUIT
Focus-jumping function is a function conforming to
single side 2-layer discs or double-side 2 layer discs.
Fig. 3 below shows the basic movement sequence.
Viewing through the objective lens, the layer on this
side is called Layer 0 (L0) and the layer on the far side is
called the Layer 1 (L1).
(Layer1) L1
(Layer0) L0
RF
FE
IO0
TEST00
A(Fig.4)
B(Fig.4)
Objective lens
L0
Focus
standby level
Focus ON
Vref
GND
L0=L1
D
C
L1
L0
B
E
A
L0
L1
A
B
Vref
L1=L0
L1
L0
C
E
D
Fig. 3
CX-692
3