Pioneer DRM-7000 Service Manual page 126

DRM-7000
6.2.6 Verification of Operations After
Adjustments
Height adjustment of the D Guides
Right and left,
front and back
adjustment
Height adjustment
Verification
• Be sure to confirm the height of D guides before the right and left
adjustment and front and back adjustment of the carriage base
and the height adjustment of the interrupter UP.
• Be sure to check the height of the interrupter UP when the right
and adjustment and front and back adjustment of the carriage
base have been performed.
• Perform the relative adjustment of the UP and DN interrupters in
conjunction with other adjustments as required.
Perform the verification of operations after the height adjustment of
the D guides, right and left adjustment and front and back adjustment
of the carriage base, height adjustment of the interrupter UP, or
relative adjustment of UP-DN interrupters is completed.
(1) Set the unit to Diag-robotics-individually in Manual elevating
operation mode.
(2) Move the carriage base to [199].
(3) Set the upper magazine only. (Be sure not to set the upper four
discs.)
(4) Rotate the turn table in the Diag-robotics-individually in
Manual loading operation mode to move the D guides out
towards the front and rotate the table in the reverse direction to
return to a position where the magazine does not touch the D
guides.
= Set to the state just before the turntable starts rotating.
Caution: A manual loading operation may not be allowed, depending
on the position of the carriage base or turn table. Be sure to just
lightly touch (or momentarily push) the switch when operating
it.
(5) Observe through the hole at the top of the magazine to check
that there is no misalignment in gear teeth or in height between
the slot of the disc rack R on the right side and the right side of
the D guide or between the slot of the disc rack L on the left
side and the left side of the D guide.
126
Relative adjustment of the
UP and DN interrupters
6.3 SENSITIVITY ADJUSTMENT OF
THE CARRIAGE BASE DISC
SENSOR
• Purpose:
To adjust the sensitivity of the disc sensor of the carriage base.
• Method:
Adjust VR851 on the DSEB Unit
• Contents:
Adjust the phototransistor output of the light-receiving block.
• Preparation:
Prepare the adjustment disc.
• Adjustment point:
Semifixed volume control (VR851, DSEB Unit)
Use the dot at the lower right end of the mode indicator for
monitoring the sensor output.
• How to enter the adjustment mode:
(1) Set key to UNLOCK position.
(2) Press the FUNCTION and ↑→ keys simultaneously for four
seconds.
(3) "Entering to the Tset Mode!!OK?" is displayed, then press ENT
key.
(4) Select "Diag" and press ENT key.
(5) Select "Robotics" and press ENT key.
(6) Select "Collectively" and press ENT key.
(7) Select "Step-by-step" and press ENT key.
(8) "Source Address ? #001(M1-01)" is displayed.
(9) Specify the target address with ←↓ and ↑→ keys and press
ENT key.
(10) Pull the disc in the carriage block when pressing the ENT key
in the display of "Disc Pick-up fwd #xxx".
(11) "Dest. Address ? Bay #01" is displayed, then press ESC key.
(12) Return the disc to the magazine when pressing the ESC key
in the display of "Disc Release rev#xxx".
• Adjustment procedure:
(1) Set the adjustment disc to the magazine and install the magazine
in the location where the work is easy to do.
(2) Set the test mode to Step operation mode.
(3) Move the carriage base to the address of disc position.
(4) Pull the adjustment disc in the carriage base.
(5) Confirm the display, and turn VR851 on the DSEB Unit to the
clockwise a little when there is a disc (* is displayed in the
lower center of LCD), and turn it to the counterclockwise a
little when there is a no disc.
(6) Return the adjustment disc to the magazine.
(7) Repeat the steps 4 to 6 until the display of the disc existence
changes, and adjust it to be within 10 degrees from the changing
point.