Pioneer DEH-2200UB Service Manual page 30

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How to Remove the PU Unit
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1. Set the unit to the quasi-clamp state, following the procedures described in "Mechanism Module: How to Set to the Quasi-
Clamp State (Driven by the Motor)."
A
2. Temporarily change the engagement position of the bias spring of the feed screw (Fig. 2b).
Be careful not to cut yourself on the tip of the spring.
3. Hold the PU unit by parts A in Fig. 1 then slide it toward the inner track.
4. Remove the backend of the feed screw from the outer holder, by first sliding it, as shown in Fig. 3, then lifting it.
5. Remove the PU unit, by lifting it. Lifting the PU unit will disengage the PU unit from the part B of the chassis.
Note: When reassembling the PU unit, be sure to securely engage the PU unit with the part B of the chassis, as shown in
Fig. 4. Also, be sure to change the engagement position of the bias spring of the feed screw to its original position
(Fig. 2a). After reassembling, perform the PU adjustment, following the description in the service manual.
B
Backend of
Outer holder
the feed screw
C
Fig. 3
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L 13942296513
D
E
Fig. 4
How to Move the PU toward the Outer Track
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1. Set the unit to the quasi-clamp state, following the procedures described in "Mechanism Module: How to Set to the Quasi-
Clamp State (Driven by the Motor)."
2. Move the PU unit toward the outer track, by applying 1.5-V power to the CRG motor.
Note: After moving the PU toward the outer track and taking the necessary measures, be sure to solder the lead wires.
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A
B
Fig. 1
Properly assembled state
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. i
DEH-2200UB/XSEW5
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8
Slide toward the inner track.
Q Q
3 6 7 1 3
[Improper assembly]
The chassis is not properly pinched by
the PU case and PU rack.
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.
3
4
2 9 9 4 2 8
One end of the spring is engaged
beneath the resin flange and
plate bend.
Fig. 2a
Original engagement
position
1 5 0 5 8 2 9 9 4
Fig. 2b
Temporary engagement
position
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co
4
9 9
2 8 9 9