SECTION 2
ADJUSTMENTS
1.
2.
3.
4.
5.
2-1. MECHANICAL ADJUSTMENTS
2-2. ELECTRICAL ADJUSTMENTS
L
PRECAUTION
Clean the following parts with a
denatured-
alcohol-moistened swab:
record/playback head
pinch roller
erase head
rubber belts
capstan
idler
Demagnetize the record/playback head with a
head demagnetizer.
Do not use a magnetized screwdriver for the
adjustments.
After the adjustments, apply suitable locking
compound to the parts adjusted.
The adjustments should be performed with the
rated power supply voltage unless otherwise
noted.
Torque Measurement
Torque
Torque meter
Meter reading
FWD
CQ-102C
30 to 70
g-cm
(0.43 to 0.97 oz-inch)
FWD
Back tension
CQ-102C
2 to 6 g-cm
(0.03 to 0.08 oz-inch)
REV
CQ-102RC
30 to 70 g-cm
(0.43 to 0.97 oz-inch)
REV
Back tension
CQ-102RC
2 to 6 g-cm
(0.03 to 0.08 oz-inch)
FF, REW
CQ-2OlB
90 to 160 g-cm
(1.3 to 2.2 oz-inch)
Note:
The adjustment should be performed in the
order given in this service manual.
The adjustments should be performed for both
L-CH and R-CH.
0 Switches and controls should be set as follows
unless otherwise specified.
DOLBY NR switch:
OFF
TIMER switch:
OFF
l Standard Record:
Deliver the standard input signal level to the input
jack and set the REC LEVEL control to obtain the
standard output signal level.
-
Record Mode
-
af osc
VTVM
600
s2
/
LINE IN
LINE OUT
Standard Input Level
Standard Output Level
Ji
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
To Next Page
Loading...
