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XR-M510
SECTION 5
MECHANICAL ADJUSTMENTS
Mode Tension Meter Meter Reading
Forward CQ-403A
more than 90 g
(more than 3.18 oz)
Reverse CQ-403R
more than 90 g
(more than 3.18 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
voltage (14.4 V) unless otherwise noted.
• Torque Measurement
Mode Torque Meter Meter Reading
2.95 – 6.73 mN•m
F
orward CQ-102C 30 – 65 g•cm
(0.42 – 0.90 oz•inch)
Forward
0.05 – 0.44mN•m
CQ-102C 0.5 – 4.5 g•cm
Back Tension
(0.01 – 0.06 oz•inch)
2.95 – 6.73 mN•m
Reverse CQ-102RC (25 – 55 g•cm)
(0.42 – 0.90 oz•inch)
Reverse
0.05 – 0.44mN•m
CQ-102RC 0.5 – 4.5 g•cm
Back Tension
(0.01 – 0.06 oz•inch)
5.89 – 19.61 mN•m
FF, REW CQ-201B 60 – 200 g•cm)
(0.83 – 2.78 oz•inch)
SECTION 6
ELECTRICAL ADJUSTMENTS
TEST MODE
<Set the
Test Mode>
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 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.
Tape Speed Adjustment
Setting:
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the frequency counter becomes in 3,015 Hz.
Specified Value: 2,955 to 3,075 Hz
Adjustment Location: See page 20.
0 dB=0.775 V
TAPE DECK SECTION
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
set
AUDIO OUT REAR jack (CN300)
–
+
10 k
Ω