Pioneer CX-692 Panduan Servis - Halaman 27
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- Disc Detection
DSP switch(S851) is turned ON and OFF by the DSP
switch lever driven by the cam gear which controls the
tray extending motion. The photo sensor is timed with
this ON and OFF status, detecting the existence and
non-existence of the disc as well as the type of disc.
- Tray Extension and Retraction Detection
A)Clamp
When the clamp motion of the clamp lever is
complete the jointed arm moves and the protruding
section of the arm pushes the TRP switch(S852) ON
via the leaf spring.
B)Tray retraction
When the tray retracts the switch arm, which operates
on the same fulcrum as the tray extending arm,
moves and the TRP switch(S852) is pushed ON by the
protruding section of the arm via the plate spring.
Cam gear
TRP switch (S852)
Plate spring
Photo sensor
DSP switch (S851)
Fig. 34
CX-692
27