Denon D-107 Service Manual page 14

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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
Disc SW
12cm SW
Open SW
Close SW
Out SW
Clamp SW
In SW
Door Position Detect
Open SW
TE
L 13942296513
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)
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Function
Disc insertion detect
12cm Disc detect
Door open position detect
Door close position detect
Holder (disc transfer part) eject position detect
Holder (disc transfer part) clamp position detect
Holder (disc transfer part) retract position detect
(Holder's disc release position after clamping)
Door Open Position
Door position detect shutter moves up and
down according to open / close of the door.
Door Close Position
Door Position Detect Shutter
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12 Shutter
(Fixed to holder, actuates 12cm SW when pushed by 12cm
disc's edge, immovable with 8cm disc)
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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
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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)
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Eject Position
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Holder position detect shutter moves
according to up / down of the holder.
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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