DRM-7000
6.4 SENSITIVITY ADJUSTMENT OF6.5 ELEVATING SPEED ADJUST-
THE MAGAZINE DISC OUT-OF-MENT
Y Purpose:
POSITION SENSORTo adjust the elevating speed of the carriage base.
Y Purpose:Y Method:
To adjust the LED output of the light-emitting block so that theAdjust VR601 on the VMDB Unit
threshold value set to the combined screen factor of theY Contents:
adjustment disc and filter.Adjust the phototransistor output of the light-receiving block.
Y Method:Y Preparation:
Adjust VR852 (FRONT) and VR851 (REAR) on the SIFB2 UnitConnect an oscilloscope (10:1 probe) to TP601 (MMOUT) and
Y Contents:TP602 (GND) on the VMDB Unit.
Adjust the voltage by connecting the voltage measuring
instruments (voltmeter or multimeter, etc.) to TP851 (FRONT)Y How to enter the adjustment mode:
and TP852 (REAR).(1) Set key to UNLOCK position.
(2) Press the FUNCTION and Â? keys simultaneously for four
Y Preparation:seconds.
(1) Prepare the adjustment disc and adjustment filter.(3) "Entering to the Tset Mode!!OK?" is displayed, then press ENT
(2) Remove the all magazines (including hyper magazine) andkey.
drives.(4) Select "Diag" and press ENT key.
(3) Move the carriage base to the initial position (address 3).(5) Select "Robotics" and press ENT key.
(4) Connect a voltmeter (or multimeter, etc.) between TP851(6) Select "Individually" and press ENT key.
(FRONT) or TP852 (REAR) and TP853 (GNDD) on the SIFB2(7) Select "Elevation" and press ENT key.
Unit.(8) Select "Manual" and press ENT key.
(9) Carriage base moves to up and down with ?? and Â? keys
Y Adjustment point:and generates a pulse from the rotary encoder.
Semifixed volume control (VR852: FRONT, VR851: REAR)
Connect a voltmeter (or multimeter, etc.) to TP851 (FRONT)Y Adjustment procedure:
and TP852 (REAR).(1) Set VR601 on the VMDB Unit to the mechanical center.
(2) Turn the elevating motor by using the elevating manual
Y How to enter the adjustment mode:operation and generates a pulse from the rotary encoder.
(1) Set key to UNLOCK position.(3) Adjust VR601 so that the pulse width of TP601 (MMOUT) to
(2) Press the FUNCTION and Â? keys simultaneously for four13 ? 0.3 msec.
seconds.Caution:Be carful because the carriage base is moved at high speed
(3) "Entering to the Tset Mode!!OK?" is displayed, then press ENTby the mode.
key.
(4) Select "Sensor" and press ENT key.
(5) Select "Front sensor" or "Rear sensor" and press ENT key.6.6 LCD POWER SUPPLY VOLTAGE
(6) "Front (Rear) sensor working" is displayed, then enter the disc
ADJUSTMENT
sensor adjustment mode.Y Purpose:
Y Adjustment procedure:To adjust the power supply voltage of the LCD module.
(1) Remove the second from the carriage base guard.Y Method:
(2) Set the test mode to Disc sensor adjustment mode.Adjust VR701 on the FRPB Unit
(3) Set the adjustment disc and adjustment filter so that it blocksY Contents:
Connect a voltmeter (or multimeter, etc.) between CN702-pin 2
the optical axis. (Insert the adjustment disc and filter to slot 50(VEE) and pin 1 (VSS), and adjust the voltage.
of the magazine and set to magazine bay #7 at front side and
set to magazine bay #16 at rear side.)Y Preparation:
(4) Adjust VR852 (FRONT) and VR851 (REAR) on the SIFB2(1) Remove the FRPB Unit from the front panel. (LCD module
Unit so that the voltage of TP851 (FRONT) and TP852 (REAR)and key SW unit are useless.)
to the adjustment value which is mentioned in the adjustment(2) Connect the power supply of 12V ? 5% between CN701-pin 1
(V12) and pin 2 (GND12), and connect the voltmeter between
disc ? 0.2V.CN702-pin 2 (VEE) and pin 1 (VSS).
Y Adjustment procedure:
Semifixed volume control (VR701)
Connect the voltmeter (or multimeter, etc.) between CN702-
pin 2 (VEE) and pin 1 (VSS).
(1) Set VR701 on the FRPB Unit to the mechanical center.
(2) Apply a 12V power supply.
(3) Adjust VR701 so that the voltage of CN702-pin 2 (VEE) to 5
? 0.05V.
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ACEC
