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3% 4 In order to operate the motor singly:
[Operation]
10H — Loading motor
11H
Drum motor
12H — Capstan motor
After the set of the above data, operation is performed by
pressing the following keys. (When the operation is performed
with the adjustment remote controller, set the HOLD switch to
left and release the Service mode.).
FF key — Rotating in forward direction
REW key — Rotating in reverse direction
STOP key -> Stop
Note) In this mode, operation is only performed on the normally
loaded condition.
Note) The motor rotating speed is the normal rotating number.
(Drum 30 Hz, Capstan SP mode speed, Loading normal
speed.)
In order to release this mode, remove the adjustment remote
controller and tum off the power.
3% 5 In order to read the A/D converted value
(Sensor check)
[Operation]
With the adjustment remote controller.
Wate
The following address (PAGE
3) of the A/D converted value of
each A/D port is displayed.
Selecting value Contents
65
TOP sensor (light ON)
67
TOP sensor (light OFF)
64
| END sensor (light ON)
66.
END sensor (light OFF)
62
S-REEL FG:
63
T-REEL FG
60
Thermistor (for SWP correction)
SF
DEW sensor
The voltage of A/D converting 1 step: 4.9+256 +19 mV
3% 6 In order to check the reception contents of the
wireless remote control
With adjustment remote controller, the received wireless remote
control code is displayed to]
PAGE 1 | Address 1B,
The wireless remote control code is only displayed while the
code which the LANC code is shifted to right for 1 bit is pressed,
and FF is displayed when the code is released.
The received category code of the wireless remote control is
displayed to the upper 4 bit of | PAGE:1
(The description of the wireless remote control code is omitted in
this chart.)
10-2,
POWER SUPPLY ADJUSTMENT
10-2-1,
VIDEO 4.9V Adjustment (SS-136 Board)
Mode
Recording
Signal
Unnecessary
Measurement Point
Pin ® of CNS07 (VIDEO 4.9V)
| Measuring Instrument | Digital voltmeter
Adjusting Element
| RV902
aes Value
4.90 + 0.05 Vde
Adjusting method:
1)
Adjust to 4.90 + 0.05 Vde with RV902.
10-2-2.
Oscillation Frequency Adjustment
(SS-136 Board)
Mode
Recording
Signal
Unnecessary
Measurement Point
Q903 collector
Measuring Instrument } Frequency counter
Adjusting Element
RV901
Specified Value
475 + 5 kHz
Adjusting method:
1) Adjust to 475 + 5 kHz with RV901.
A475 +5 kHz
Approx.
6.8 Vp-p
Approx. 2.1 usec
Fig. 10-4.
— 293 —
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