Denon D-107 Service Manual page 14

MECHANISM AND FUNCTION OF CD MECHA
1. Traverse Mecha :
TR Mecha Sub Ass'y (GEN5327)
2. Door Open/Close Mechanism:
Driven by the door open/close motor, Open SW and Close SW are equipped for checking stop position.
3. Disc Transfer Mechanism:
Driven by the holder up-down motor, Out SW, Clamp SW, and In SW are equipped for checking stop position.
Description
Name Function
Disc SW Disc insertion detect
12cm SW 12cm Disc detect
Open SW Door open position detect
Close SW Door close position detect
Out SW Holder (disc transfer part) eject position detect
Clamp SW Holder (disc transfer part) clamp position detect
Holder (disc transfer part) retract position detect
In SW
(Holder's disc release position after clamping)
Door Position Detect
Open SW
Door position detect shutter moves up and
down according to open / close of the door.
Close SW
PWB (1U-3401-3)
OP / CL Detect Unit
Disc Detect
Disc SW
(1U-3401-4)
Disc Detect Unit
(Detect disc loading by
reflection type sensor)
Door Open Position
Door Close Position
Door Position Detect Shutter
12 Shutter
(Fixed to holder, actuates 12cm SW when pushed by 12cm
disc's edge, immovable with 8cm disc)
Remarks
Monitors at holder (Door Open),
With disc : "L", without disc : "H"
Monitors at holder eject position,
12cm disc load : "L", others : "H"
Door open stop position : "H", others : "L"
Door close stop position : "H", others : "L"
Eject position : "H", others : "L"
Clamp position : "L", Near Clamp position : "H"
Others : "L"
Retract position : "H", others : "L"
Holder Position Detect
Out SW
Holder position detect shutter moves
according to up / down of the holder.
Clamp SW
Near clamp position,
Clamp SW turns to "H"
In SW
PWB (1U-3401-2)
Disc Up / Down Unit
12cm SW
(1U-3401-5)
12 Disc Detect Unit
(Permeable type sensor)
D-107
Eject Position
Clamp Position
Clamp SW turns to "L" at slit
position of the shutter (For
clamp position, stops at this
slit portion)
Retract Position
Holder Position Detect Shutter
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