Service manual

13
HCD-NEZ30
CD POWER MANEGE
This mode is for switch the CD power supply on/off. Even if this
state pulls out AC plug, it is held.
Procedure:
1. Press the I/1 button to turn the power on.
2. Set the FUNCTION to CD.
3. Press the I/1 button again to turn the power off (standby).
4. While pressing the CD u button, press the I/1 button.
5. If turns power on and display “CD POWER”, then display
“ON” or “OFF”.
• Precaution
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head pinch roller
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head magnetizer close to the
erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, appiy suitable locking compound to
the parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
• Torque Measurement
Mode Torque Meter Meter Reading
2.95 – 6.86 mN⋅m
FWD CQ-102C (30 – 70 g⋅cm)
(0.42 – 0.97 oz⋅inch)
FWD
0.15 – 5.39 mN⋅m
Back Tension
CQ-102C (1.5 – 5.5 g⋅cm)
(0.021 – 0.076 oz⋅inch)
more than 5.89 mN⋅m
FF CQ-201B (more than 60 g⋅cm)
(more than 0.83 oz⋅inch)
more than 5.89 mN⋅m
REW CQ-201B (more than 60 g⋅cm)
(more than 0.83 oz⋅inch)
• Tape Tension Measurement
Mode Tension Meter Meter Reading
FWD CQ-403A
more than 100 g
(more than 3.53 oz)
SECTION 5
MECHANICAL ADJUSTMENTS