Sony XR-4758RDS, Руководство по обслуживанию

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Mode Torqu Meter Meter Reading
Forward CQ-102C
35–65 g•cm
(0.49–0.90 oz•inch)
Forward
CQ-102C
0.5–5.0 g•cm
Back Tension (0.01–0.07 oz•inch)
Reverse CQ-102RC
35–65 g•cm
(0.49–0.90 oz•inch)
Reverse
CQ-102RC
0.5–5.0 g•cm
Back Tension (0.01–0.07 oz•inch)
FF, REW CQ-201B
60–200 g•cm
(0.83–2.78 oz•inch)
SECTION 4
MECHANICAL ADJUSTMENTS
SECTION 5
ELECTRICAL ADJUSTMENTS
1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback head pinch roller
rubber belt capstan
idler
2. Demagnetize the playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the power supply
voltage (14.4 V) unless otherwise noted.
•
Torque Measurement
Mode Torqu Meter Meter Reading
Forward CQ-403A
more than 60 g
Reverse CQ-403R
(more than 2.12 oz)
•
Tape Tension Measurement
TEST MODE
This set have the test mode function. In the test mode, FM Auto
Scan/Stop Level and MW Auto Scan/Stop Level adjustments can
be performed easier than it in ordinary procedure.
<Set the Test Mode>
1. Set the “OFF” mode.
2. Push the preset 4 button.
3. Push the preset 5 button.
4. Press the preset 1 button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.
<Release the Test mode>
1. Push the “OFF” button.