CX-LZX7
SECTION 6SECTION 7
MECHANICAL ADJUSTMENTSELECTRICAL ADJUSTMENTS
? TAPE MECHANISM DECK SECTION
DECK SECTION0 dB = 0.775 V
Precaution
1. Clean the following parts with a denatured alcohol-moistened
Precaution
swab:
1. Demagnetize the record/playback head with a head
record/playback headspinch rollers
demagnetizer.
erase headrubber belts
2. Do not use a magnetized screwdriver for the adjustments.
capstanidlers
3. After the adjustments, apply suitable locking compound to the
2. Demagnetize the record/playback head with a head
parts adjust.
demagnetizer.
4. The adjustments should be performed with the rated power
3. Do not use a magnetized screwdriver for the adjustments.
supply voltage unless otherwise noted.
4. After the adjustments, apply suitable locking compound to the
5. The adjustments should be performed in the order given in this
parts adjusted.
service manual. (As a general rule, playback circuit adjustment
5. The adjustments should be performed with the rated power
should be completed before performing recording circuit
supply voltage unless otherwise noted.
adjustment.)
6. The adjustments should be performed for both L-CH and R-
Torque MeasurementCH.
7. Switches and controls should be set as follows unless otherwise
ModeTorque meterMeter reading
specified.
2.94 � 7.84 mN Y m
FWDCQ-102C(30 to 79 g Y cm)Y Test Tape
(0.42 � 1.11 oz Y inch)
TapeSignalUsed for
0.15 � 0.59 mN Y m
P-4-A10010 kHz, � 10 dBAzimuth Adjustment
FWD
CQ-102C2 to 6 g Y cm
back tensionWS-48B3 kHz, 0 dBTape Speed Check
(0.03 � 0.08 oz Y inch)
2.94 � 7.84 mN Y m
Record/Playback Head Azimuth Adjustment
REVCQ-102RC(30 to 79 g Y cm)
Procedure:
(0.42 � 1.11 oz Y inch)
1. Mode: Playback
2.94 � 7.84 mN Y m
REV
CQ-102RC(30 to 79 g Y cm)test tapeMAIN board
back tension
P-4-A100
(0.42 � 1.11 oz Y inch)SPEAKER terminal (J201)
(10 kHz, � 10 dB)L-CH, R-CH
6.86 � 17.64 mN Y m
level meter
FF/REVCQ-201B(70 to 179 g Y cm)
(0.98 � 2.49 oz Y inch)set
+
0.98 mN Y m
�
FWD tensionCQ-403A(10 Y cm or more)
(0.14 oz Y inch or more)
0.98 mN Y m2. Turn the adjustment screw and check output peaks. If the peaks
REV tensionCQ-403R(10 Y cm or more)do not match for L-CH and R-CH, turn the adjustment screw
(0.14 oz Y inch or more)so that outputs match within 1dB of peak.
within
L-CH1dB
peak
within
Output1dB
level
R-CH
peak
ScrewScrew
positionL-CHR-CHposition
peakpeak
23 |
ACEC
