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3. ADJUSTMRNTS FOR MECH/SERVO SECTION
3-1. T Reel Torque Offset Adj.
BOARD SERVO Board
TP
-
ADJ.
SERVICE MENU
MODE
STOP (no cassette tape)
TAPE
M. EQ.
SPEC.
T TORQUE = 60mV
1.
Close the Cassette Cover with no cassette tape.
2.
Open the Service Menu (refer to Service Information)
and select "T TORQE" (VTR SERVICE 2/3).
3.
Push the MENU button.
4.
Confirm that the voltage is 60mV
5.
Push the MENU button to setting.
3-2. S Reel Torque Offset Adj.
BOARD SERVO Board
TP
-
ADJ.
SERVICE MENU
MODE
BARS
TAPE
M. EQ.
SPEC.
S TORQUE = 60mV
1.
Close the Cassette Cover with no cassette tape.
2.
Open the Service Menu (refer to Service Information)
and select "S TORQE" (VTR SERVICE 2/3).
3.
Push the MENU button.
4.
Confirm that the voltage is 60mV
5.
Push the MENU button to setting.
3-3. Tension Offset Voltage Adj.
BOARD SERVO Board
TP
TP402
ADJ.
VR402
MODE
EJECT
TAPE
M. EQ.
Digital Volt Meter
±
SPEC.
2.5V
0.1V
1.
Adjust VR402 so that voltage at TP402 becomes 2.5V
±
0.1V.
±
4mV
±
4mV.
±
4mV
±
4mV.
3-4. Tape Beginning Detection
Sensitivity Adj.
BOARD SERVO Board
TP
-
ADJ.
VR750
MODE
STOP
TAPE
VFK1423 (Tape Sensor Adj. Cassette (M))
M. EQ.
-
±
SPEC.
2.2V
1.
Set the VFK1423 (Tape Sensor Adj. Cassette (M)).
2.
Open the Service Menu (refer to Service Information)
and select "T / S PHOTO" (VTR SERVICE 2/3).
3.
Adjust VR750 so that the voltage of "T PHOTO"
(displayed on the service menu) to 2.2V
3-5. Tape End Detection
Sensitivity Adj.
BOARD SERVO Board
TP
-
ADJ.
VR751
MODE
STOP
TAPE
VFK1423 (Tape Sensor Adj. Cassette (M))
M. EQ.
-
±
SPEC.
2.2V
1.
Set the VFK1423 (Tape Sensor Adj. Cassette (M)).
2.
Open the Service Menu (refer to Service Information)
and select "T / S PHOTO" (VTR SERVICE 2/3).
3.
Adjust VR751 so that the voltage of "S PHOTO"
(displayed on the service menu) to 2.2V
ELE-19
0.6V
0.6V
±
0.6V.
±
0.6V.
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