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Pioneer CX-3311 Service Manual page 17

Dvd mechanism module

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2.2 DISC LOADING OPERATION
1. When the disc is inserted, SW Arm R turns and SW1 switches from OFF to ON.
When SW1 switched from OFF to ON, the Load Carriage Motor starts and the Rubber Roller rotates.
2. In the case of 12 cm disc, as SW Arm R spreads widely, SW1 switches from ON to OFF, and the microcomputer judges
that it is 12 cm disc.
Rubber Roller
5
6
Load Carriage Motor
DISC
CX-3311
6
7
SW1
SW Arm R
7
8
A
B
PU Unit
C
D
E
F
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