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e) C014: CAPSTAN MOTOR
This mode checks the rotation direction of the capstan motor.
(1) Press the SET button (or switch S300 on the SS board).
Confirm that the capstan motor rotates in the forward direction (3)
and that the "FORWARD .... OK" display appears on the monitor screen.
(2) Press the SET button (or switch S300 on the SS board) again.
Confirm that the capstan motor rotates in the reverse direction (2) and
that the "REVERSE .... OK" display appears on the monitor screen.
In case of NG;
When the capstan motor does not rotate.
Check the capstan motor.
Also check capstan motor driver circuit (DR-200 board).
When the capstan motor rotates normally, but the "OK" display does not appear
on the monitor screen.
Check the capstan motor.
Also check the capstan FG amplifier input circuit (DR-200 board).
f) C015: DRUM MOTOR
This mode checks the rotation of the drum motor.
(1) Press the SET button (or switch S300 on the SS board) to initiate this check.
The display on the monitor screen at that time is as shown below.
SPEED : NG
PHASE : UNLOCK
PG
: NO EXIST
(2) Confirm that the display on the monitor screen changes as shown at right
after a little while.
In case of NG;
When the display on the monitor screen does not change.
Check the drum motor driver circuit (DR-200 board), the drum FG amplifier
circuit (DR-200 board), and the drum PG amplifier circuit (DR-200 board).
5-2. Servo/DT System Check Mode
SERVO CHECK
MOTOR CHECK
C014:CAPSTAN MOTOR
S300(SS-52): CHECK
S301(SS-52): RETURN
SERVO CHECK
MOTOR CHECK
C015:DRUM MOTOR
SPEED :
PHASE :
PG
:
S300(SS-52): CHECK
S301(SS-52): RETURN
[SET] or [S300]
SERVO CHECK
MOTOR CHECK
C015:DRUM MOTOR
SPEED :
OK
PHASE :
LOCK
PG
:
EXIST
S300(SS-52): CHECK
S301(SS-52): RETURN
Check completed (OK)
5-21
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