NAD 7080 - Page 6

ALIGNMENT (TUNER)
1.
AM
ALIGNMENT:
1.
Selector
switch
in
AM
position
2.
AC
line
voltage
at
rated
voltage
|
3.
Monitor
output
at
REC
OUT
(TAPE
|
or
TAPE
2)
Scat
;
AM
SG
ee
Dial
iad
|
Adjustment
|
Adjust
=<
setting
[UOT
point
for
Hot side of SG out-
put through 200
pF to AM antenna
trimmer Terminal
(TP 1)
Hot side of SG out-
put through 200
| 30% Mod.
455 KHZ |400 HZ
Point of
non-interfer
ence
30% MOD. | 600KHZ
400 HZ loaned ea
600K HZ
Maximum
LA 101
LO 101
>|
PF
to
EXT
AM
T400
KHZ
[30%
MOD
|1400KHZ_]
Qeciltcome
[TE
2
I
antenna
Terminal
400HZ,
mee
TC
4
on rear panel Repeat Step 4 and Step 2
2.
FM
ALIGNMENT:
1.
Selector
switch
in
FM
position
and
Mode
switch
in
stereo
position
2. AC
line
voltage
at
rated
voltage
|
3.
Monitor
output
at
REC
OUT
(TAPE
1
or
TAPE
2)
5
me
|
FM
SG
|
Dial
—
a
Adjustment
|
Adjust
ee
setting
|
PUT
[Point
|
for
Tuning LT 101 Center
Meter of Indication
Lower Side
interference} set
LO —1, L-1
L—2, IFT—1| Maximum
TC—1, TC-3
TC_STC6 | OUPUt
Repeat Step 1 and Step 2
:
100%
Mod.
|
|
|
Distortion
|
_
LT
101
98
MHz
|
400
Hz
eee
Upper
Side
Goa
Repeat
FM
IF
and
FM
MONO
DISTORTION
Step
1.
3.
FM
MPX
ALIGNMENT:
1.
Same
as
FM
ALIGNMENT
1,
2,
3
|
2.
FM
SG
is
external
modulated
by
stereo
SG
and
connected
to
FM
30092
antenna
terminal
on
the
rear
panel
through
FM
dumy
antenna
Sep
|
FMSG
Dial
Setting
Adjust
for
1
2
FM IF
Connect to FM
300 ohm antenna
Terminal on the rear
panel through FM
dumy antenna
100% Mod V.T.V.M.
or
Oscilloscope
106MHz 106 MHz
Minimun
Distortion
quency count
ceived counter
through look
Point of no } Connet fre-
VR 201 | 76KHZ.+
30HZ
MPX pilot to TP 10
|
signal
re-
|
lot.
R201
|
Stereo
LED
a Connect VT!
10% 19K Hz Pilot VTIM or
oscilloscope
L. only toR REC
out’ Minimum
output
| Connect
10% 19KHz Pilot VTVM or
|
oscilloscipe
R.only | to L REC
out
~
If
there
is
an
excessive
difference
between
leak-free
effects
of
both
channels,
slightly
adjust
VR
202
so
that
the
levels
of
signal
leakage
of
both
channels
are
equal
|
Leas Vee AAPM aan ae Cora 8