Read Sony XR-CA330 / XR-CA340 Service Manual online
13
XR-CA330/CA340
SECTION 3
MECHANICAL ADJUSTMENTS
SECTION 4
ELECTRICAL ADJUSTMENTS
Mode
Tension Meter
Meter Reading
Forward
CQ-403A
more than 5.89 mN•m
(more than 60 g)
Reverse
CQ-403R
(more than 2.12 oz)
• Tape Tension Measurement
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
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.
Note:
With this set, it is not necessary to apply suitable locking
compound to the parts after the azimuth adjustment.
compound to the parts after the azimuth adjustment.
• Torque Measurement
Mode
Torque Meter
Meter Reading
2.46 – 5.39 mN•m
Forward
CQ-102C
(25 – 55 g•cm)
(0.35 – 0.76 oz•inch)
Forward
0.15 – 0.39 mN•m
CQ-102C
(1.5 – 4 g•cm)
Back Tension
(0.02 – 0.06 oz•inch)
2.46 – 5.39 mN•m
Reverse
CQ-102RC
(25 – 55 g•cm)
(0.35 – 0.76 oz•inch)
Reverse
0.15– 0.39 mN•m
CQ-102RC
(1.5 –
4 g•cm)
Back Tension
(0.02 – 0.06 oz•inch)
4.91 – 14.70 mN•m
FF, REW
CQ-201B
(50 – 150 g•cm)
(0.69 – 2.08 oz•inch)
TEST MODE
This set have the test mode function. In the test mode, FM Auto
Seek/Stop Level and AM Auto Seek/Stop Level adjustments can
be performed easier than it in ordinary procedure.
Seek/Stop Level and AM Auto Seek/Stop Level adjustments can
be performed easier than it in ordinary procedure.
<Set the Test Mode>
1. Turn ON the regulated power supply. (All LEDs on the set
1. Turn ON the regulated power supply. (All LEDs on the set
lights up, and the clock is displayed.)
Note:
Press the
[OFF]
button, if the clock is not displayed.
2. Push the
[4]
button.
3. Push the
[5]
button.
4. Press the
[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
1. Push the
[OFF]
button.
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