Sansui 771 - Page 11

STEP|
SUBJECT
=
MEASURE
|
anjyust
|
ADJUST
FOR
CONDITION
FROM
|
TO
OUTPUT
1
|
IF
coil
Output
70dB
OSC
trimmer
|
Connected
TO8
Max.
IF
wave-
oTurn
core
T09
&
T10
Genescope
cap.
(TC06)
Point
bet-
form 1
Fig.
4-5
CCW.
Fig.
4-9
ween
R130
&
R136
on
F-1479
‘
(Fig.
4-9
TP.E)
2 |
IF
coil
Output
55dB
Same
as
TO9
Max.
IF
wave-
Genescope
above
form
2
Fig.
4-6
3
|
IF
coil
Output
45dB
Same
as
T10
Max.
IF
wave-
|
olf
not,
readjust
T08
&
Genescope
above
form
3
Fig.
4-7
TO9
slightly
4
|
535kHz
535kHz
Bar
ANT
REC
OUTL
T11
Max.
output
olf
broadcasting
station
Dial
calibra-
|}
ANT
input
60dB
or
R-ch
is
near,
it
might
be
used
tion
400Hz
(30%
MOD)
VTVM
&
‘es
aot
[de
Use
loop
ANT
aus
06
5
|
1400kHz
1400kHz
Same
as
Same
as
Trimmer
Same
as
above
Same
as
above
Dial
Calibra-
ANT
input
60dB
above
above
TC06
tion
400Hz
(30% MOD)
clrvcbarsteitreadaurl
AM
SSG
200
i
1605
Use loop
ANT
6
|
Confirm
600kHz
Same
as
Same
as
Confirm
olf
dle
repeat
from
600kHz
ANT
input
60dB
above
above
600kHz
Dial
Step
4
Dial
Calibra-
|
400Hz
oe
MOD)
Calibration
tion
AM
§
Use
ae
ANT
7
|
Confirm
1000kHz
Same
as
Same
as
Confirm
1000kHz
ANT
input
60dB
above
above
1000kHz
Dial
Dial
Calibra-
|
400Hz
(30% MOD)
Calibration
tion
AM
SSG
Use loop
ANT
8
|
Confirm
Same
as
Step
5
Same
as
Same
as
Confirm
olf
not,
repeat from
Step
5
1400kHz
above
above
1400kHz
Dial
Dial
Calibra-
Calibration
tion
9
|
600kHz
600kHz
Same
as
Same
as
Bar
ANT
Max.
output
RF
Adj.
ANT
input
50dB
above
above
L701
400Hz
(30%
MOD)
AM
SSG
Use
loop
ANT
10
|
1400kHz
1400kHz
Same
as
Same
as
Trimmer
Same
as
above
RF
Adj.
ANT
input
50dB
above
above
TCO5
400Hz
oe
MOD)
AM
S
Use oon
ANT
11.
|
Signal
Meter
|
1000kHz
Same
as
Same
as
F-1479
4
on
meter
oTune
AM
SSG
(Max.
ANT
input
100dB_
|
above
above
VRO6
indication
of
signal
400Hz (30% MOD)
AM SSG
Use loop ANT
meter)
o Before adjustment, if
meter swang out or
not enough, preadjust
VRO6 until the reason-
able point
Fig. 4-5 Fig. 4-9
VRO5 cM st
stereo
@ separation
volume
VRo1
FM ator (@)
indicator ((AY
volume (S
Fig.
4-6
FM
muting
volume
@
Gy
"
D
f
i
“o
VRo2
R67
OG
AO!
S
signal
FM
ion
ae
meter
meter
volume
volume
To3
discriminator transformer
Lie
YO
FM
IF
coil
au
IF
Fig.
4-7
ae
ae
(15kQ)
Qs”
F-1479
Tos
R48
aah
IF
e
coi
AM
OSC
.
coil(535kHz)
(OSM
Fananes
Fig.
4-8
=
—
FM
AO
(res coil
| AMOSC <4 L. Loa, FMosc
waveform 1 Sopot 06 of Kd (SEM Hz)
FM Ae <i {03 Or
trim
trnren 7 ‘02 =i
AM RF 1 0510,
(aOR)
> tout
FM RF-———-TC01}Q,))
trimmer C——
(108MHz) ae
waveform
3
i
10