Panasonic JU-455-5 Service Manual page 8

8. MEASUREMENT ITEMS FOR EACH MODEL
Table 8.1
•• m
Paramete r
JU-312, 313,314
JU·32X,36X
JU-581,S85
TRK
Value
TRK Value
TR K
Value
1
Index period
20
200t3ms 40 200
±
3ms 32 166.7
;!;
0.2 m5
2 Output level 39 16OmVor
7'
180mVor 76
120mVor
more more more
,
Radial Alignment 20
75"
40 50% 32 70%
4 AZIMUTH 20
± 18'
40
±
18' 68
±
18'
5
Index burst 20
3±1.5ms
40 3±1.5ms 68 200 t
200 III
6
FLAG 0 From track 1
' ; 1
From track 1 1: 1
From track 2
1: 1
totTack 2
totra,k 2 totTack 3
and back
and back.
and back
7 limiter -1
Recalibrate
-1
Recalibrate
- 1 Recalibrate
and return to and return to
and return to
0 0 0
•
Asym metry
,.
<6oons
7.
<600ns
76 <3 50
ns
•
Head load t ime
<50m5
JU -591, 595, 475 JU-45S/465 JU-455·5
• • m
Para met e r
TRK VALUE TRK
Value
TRK
Va lue
1
IndelC period
32
166.7;!;
16132
200±
O.2 ms
16 200±0.1 ms
0.2
ms
200t
(High)
0 .2
ms
c) •
(Low)
....
,
2
Output level 76 120 mllo(
39n9 1401120mV
,.
140/mllor
more or m ore
more
,
Radial Alignment 32 70% 16132 70%
"
70%
4 AZ IMUTH
6. ±
18'
311/68
t 18' 34
±
18'
5 Index burn
6.
200t 311/68 200t 34
200 t
200p.s 200 }ls 200jU
6
FLAG 0 From track 2 1: 1 From track 1 1: 1 From track 2
,; 1
to track 3
to track
totrack 3
and back
2ltrack 2 to and back
track 3 and
back
'C<.
7
Limite r
-1 Recalibrate -1 Recalibrate -1 Recalibrate
and return to
and return to arid return to
0
0
0
•
Asymmetry 76 <350 ns
39n9
<600 n$
3.
<600",
•
Head load t ime <50 m$ <50ms
i"
....
- 6-