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5-2. Servo/DT System Check Mode
g) C016: REEL SHIFT MOTOR
This mode checks the operation of the reel shift motor, and the function of the
reel position sensor.
Confirm that the reel table moves from the S position to the L position (from the
L position to the S position) when the SET button (or switch S300 on the SS
board) is pressed. Also confirm that the display on the monitor screen changes as
shown below.
S-POSITION
In case of NG;
When the reel shift motor does not rotate.
Check the reel shift motor.
Also check the reel shift motor driver circuit (DR-200 board).
When the display remains "........." with the reel table moved to the L position or
S position.
Check the L position/S position sensor (PTC-71 board).
L position sensor
(on PTC-71 board)
5-22
SET
..........
SET
S position sensor
(on PTC-71 board)
SERVO CHECK
C016:REEL SHIFT MOTOR
L-POSITION
Reel shift motor
MOTOR CHECK
S-POSITION
S300(SS-52): CHECK
S301(SS-52): RETURN
(S position state)
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