Mechanical Adjustments; Electrical Adjustments; Test Mode; Tape Deck Section - Sony XR-C5300X Service Manual

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SECTION 5

MECHANICAL ADJUSTMENTS

1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback head pinch roller
rubber belt capstan
idlers
2. Demagnetize the playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the power supply
voltage unless otherwise noted.
• Torque Measurement
Mode Torque Meter Meter Reading
2.95 – 6.37 N•m
Forward CQ-102C 30 – 65 g•cm
(0.42 – 0.90 oz•inch)
0.05 – 0.44 N•m
Forward
CQ-102C 0.5 – 4.5 g•cm
Back Tension
(0.01 – 0.06 oz•inch)
2.95 – 6.37 N•m
Reverse CQ-102RC 30 – 65 g•cm
(0.42 – 0.90 oz•inch)
0.05 – 0.44 N•m
Reverse
CQ-102RC 0.5 – 4.5 g•cm
Back Tension
(0.01 - 0.06 oz•inch)
5.89 – 19.61 N•m
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FF, REW CQ-201B 60 – 200 g•cm
(0.83 – 2.78 oz•inch)
• Tape Tension Measurement
Mode Tension Meter Meter Reading
more than 0.88 N
Forward CQ-403A more than 90 g
(more than 3.18 oz)
more than 0.88 N
Reverse CQ-403R more than 90 g
(more than 3.18 oz)
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SECTION 6

ELECTRICAL ADJUSTMENTS

6-1. TEST MODE

<Set the Test Mode>
1. Set the "OFF" mode.
[4]
2. Push the preset button.
[5]
3. Push the preset button.
[1]
4. Press the preset 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.

TAPE DECK SECTION

0 dB=0.775 V
Tape Speed Adjustment
Setting:
speed checker
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
10 kΩ
set
–
AUDIO OUT jack (J331)
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the speed checker or frequency counter becomes in
specification.
Specification: Constant speed
Speed checker Frequency counter
–1.5 to +2.5% 2,955 to 3,075 Hz

TUNER SECTION

0 dB=1 µV
The tuner section has no adjustment.
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Adjustment Location:
– SET UPPER VIEW –
Tape Speed Adjustment
or
+
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