PIONEER CDX-P1250/XN/UC
Service Manual

CX-938

3. MECHANISM DESCRIPTIONS
- Inserting the Magazine
1. When the magazine is inserted against the force of the EJECT lever spring, the lock arm comes in along the groove in the rear side of the magazine to lock (see Fig. 30). Direction of the magazine insertion Magazine Lock arm

Groove in the rear of the magazine EJECT spring EJECT lever Lock arm

When the magazine is locked

Fig. 30

2. The magazine lock is detected when the detection arm moves along the EJECT lever cam section and presses the magazine detection switch mounted on the CD core unit. When the magazine is not inserted, the detection arm is held at the SW OFF position by the EJECT lever cam (see Fig. 31). When the magazine starts insertion, the lock arm starts moving along the groove in the rear of the magazine. Then the lock arm stops at the detection arm "stop" position. Although the detection arm tries to move in the SW ON direction, the lock arm stops it. (See Fig. 32.) When the magazine is completely inserted, the magazine to lock. At the same time, the detection arm is released to press the magazine detection switch with spring force. (See Fig. 33) When the magazine is not inserted After the magazine has been inserted

EJECT lever cam Magazine detection switch Detection arm Stop Stop Lock arm Moves along the groove in the magazine. Fig. 32 Located at the lock position along the groove. SW ON

Fig. 31

Fig. 33

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