Adjustment - Pioneer DRM-7000 Service Manual

DRM-7000

6. ADJUSTMENT

6.1 MECHANISM ADJUSTMENT
6.1.1 Tools for Adjustments
a : Phillips screwdriver (nominal No. 2 for M3 cross-recessed head
machine screws)
b : Phillips screwdriver (nominal No. 3 for M2.6 cross-recessed
head machine screws)
c : Flat-head screwdriver (nominal 5.5 × 75; for M2.6 slotted head
machine screws)
d : Allen wrench (nominal 2.5 for M3 hexagon socket head cap
screws)
e : Allen wrench (nominal 2 for M2.6 hexagon socket set screws)
f : Door key
g : Screw tightener
h : Adjustment disc
i : Adjustment filter
j : Flat-head screwdriver for volume adjustments
(2.4mm, non-conducting type or an equivalent)
k : Adhesive
Indications a to k at the end of paragraphs in the following indicate
the tools to be used in the respective steps.
6.1.2 Preparations for Adjustments
•
For adjustments of the mechanical operations
(1) Remove the side panel L and R and top panel. a
(2) Open the door and pull out the magazines. f
Caution: Be sure to perform this step, as this unit operates at
a high speed.
(3) Push the door switch to cancel the operation limits.
(4) Set the unit in Test mode. (Refer to 7.1.1 Test Mode)
∗ As adjustments are to be performed with visual observation, set
the unit in a well-lit place, such as under a fluorescent lamp.
∗ Note that the Diag-robotics-individually in manual elevating
operation mode activates even when the D guides have been
protruded.
∗ Sufficient care must be taken as the chuk block is protruded if
you rotate the turntable clockwise in a Diag-robotics-individually
in manual loading operation. Especially, it causes a damage if
protruded in a location other than the disc rack and player.
•
For sensitivity adjustment of the carriage base disc
sensor
(1) Remove the side panel L and R and the top panel. a
(2) Set the unit to Test mode. f
(Refer to 7.1.1 Test Mode)
122
•
For carrier frequency adjustment of the magazine
disc out-of-position sensor
(1) Remove the side panel R. a
•
For sensitivity adjustment of the magazine disc
out-of-position sensor
(1) Remove the side panel L and R and the top panel. a
(2) Open the door and pull out the under magazine. f
6.1.3 Adjustment Methods
• The figures in brackets, such as [001], in the following represent
the position of the carriage base displayed in the lower row of the
mode indicator when you move it up or down operation mode.
• To move the carriage base up or down by hand, remove the side
panel at lower right and turn the pulley or the belt of the vertical
drive motor.
Upward with counterclockwise rotation and downward