Hitachi TRK-3D70 - Page 8

TRK-3D70/3D75
AM Section
1 SW2 ANT.
(1) (Tracking)
Measuring Instrument and Connection Genescope .
Adjustment Outme |e pointes Adjust | Reading
t i i G ‘ator aes
tem
Measuring
Instrument
Input
Terminal
Tacminiak
Frecuioncy
Position
AM IF @ Genescope Ferrite-core antenna TP3 465 kHz Highest ae Note 6
Note 5)
(465 kHz) SNOts Repeat step (1)
iainse 145 kHz Lowest L156 M
: - ax.
(Covering) @ AM signal generator 290 kHz Highest CT156
(400 Hz, 30 % mod.) | Ferrite-core antenna Repeat steps ( 1) and (2)
Baad
e
vIVM
(Note
5)
TPS
160kHz
|
160kHz]
L153
¥
;
@
Oscilloscope
ax.
(rackinal 270 kHz 270 kHz} CT153
3 i Repeat steps (1) and (2)
a ages 515kHz | Lowest | 1155 is .
: : ax.
+ (Covering) @ AM signal generator 1,650 kHz Highest | CT155
: (400 Hz, 30 % mod.) | Ferrite-core antenna TP3 Repeat steps (1) and (2)
tid
ae
.
has
(Note
5)
600
kHz
|
6O00kHz|
L152
2
loa | : scilloscope T ax.
(Tracking) | 1400 kHz | 1400 kHz cn 52
Repeat steps (1) and (2)
(1)
5.8
MHz
[
Lowest
L154
]
@: [eae es 185 MHz | Highest | ctisa| Ma
(Covering) @ AMsignal generator | TP1 : Lake
(3 (400 Hz, 30% mod.) | (thru SW dummy +85 Repeat steps (1) and (2)
(1)
.
evn
antenna)
65MHz
[|
65MHz
|
L151
|
a
71
SW
ANT.
@
Oscilloscope
(Note
7)
16
MHz
16
MHz
CT151
x.
(Tracking)
(3) Repeat steps (1) and (2)
(| @ Genescope Ferri 455 kHz | Highest ee Note 6
F errite-core antenna T203
8 AM! (455 kHz] (Note 5) TP3 =
(2 Repeat step (1)
(1)
NORE
515
kHz
Lowest
L156
M
ax.
(Covering) @ AM signal generator 1.650 kHz | Highest | CT156
(400
Hz,
30
%
mod.)
|
Ferrite-core
antenna
ee
Repeat
steps
(1)
and
(2}
Aaa
.
ei
(Note
5)
600
kHz
600
kHz
L153
M
scilloscope ax
Q
10
|
(2
(Tracking)
1,400
kHz
|
1400
kHz
|
CT153
=
18
a
Repeat
steps
(1)
and
(2)
5
(1
auose
2.2
MHz
Lowest
L155
Ma
A § . ; ; x.
= WY (2) (Covering) @ AM signal generator 7.3 MHz Highest C1155
5 (3) (400 Hz, 30% mod) | Ferrite-core antenna s Repeat steps (1) and (2)
Firs
dail
ees.
1]
oe
(Note
5)
3)
27
MH
|
27MHz
|
1152
|
c
. @ Oscilloscope ax.
(Tracking) 63MHz | 63MHz | cT152
Repeat steps (1) and (2)
6.7 MHz Lowest L154 j
x.
(2) Cea @ AM signal generator | TP1 23 MHz Highest | CT154
(400 Hz, 30 % mod.) | (thru SW dummy
e VTVM antencal TP3 Repeat steps (1) and (2)
@
Oscilloscope
(Note
7)
8
MHz
8
MHz
L151
Max.