31
7.3.
Automatic Adjustment
This adjustment is automatically performed based on the learning function of the microcomputer.
The following items of measurement/adjustment are automatically performed.
• Rotation accuracy (The reference voltage value)
• Start-up time
• FG Wow and flutter
• Stop angle
• Save adjustment data
<Status Check before Adjustment>
• Check if the unit is in the following conditions.
Note for adjustment
• Place the unit on a flat vibration-free table, etc. for adjustment.
<Automatic Adjustment Procedure>
1. Start up the Service Mode. (See "7.1. Service Mode Startup Procedure".)
• At startup of the Service Mode, check the following conditions.
1. Press and hold the [START/STOP] button for 3 seconds or more.
• Confirm that the turntable rotates, pauses once, and rotates again.
(The adjustment is automatically performed. The LED of the [33] button flashes during adjustment.)
• The turntable automatically stops when the data is acquired.
(When the LED of the [33] button illuminate, the adjustment is complete. [Adjustment time: approx. 1 minute])
Notes:
• If the LED of the [33] button turns off or flashes, or rotates backward (anticlockwise) even if 2 minutes has elapsed after adjust-
ment, the adjustment is not complete normally. Perform readjustment.
(For readjustment, press and hold the [START/STOP] button again for 3 seconds or more.)
• Do not touch the main unit while rotating.
• Do not press and hold the [45] button for 3 seconds or more in the Service Mode.
(Doing so will erase the result.)
Item
Condition
Remarks
Turntable Unit
Attached to the main unit
T/T Rubber Mat
Attached to the main unit
Record
Not present
Tone Arm
Fixed to the arm rest
Item
Condition
Remarks
LED of Speed select button [45]
Flashing
Summary of Contents for SL-1500C
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