Sansui T-1000 - Page 4

T-1000/1000L
4
.
A
DJ
U
STM
EN
TS
(See
F-6000
Parts
Location
on
page
8)
4-1. FM Adjustment
Note:
1.
FM
SWitCh
......c
cee
ccececceecereerssseeeeeeeeeeeerrenennaes
ON
2.
Hi-BLEND
Switch
............ccecsceesseseeeneeeeeeeeeeeeeeee
OFF
3. Connect
as
shown
Fig.
4-1.
STEREO SG Fig. 4-1
DIST METER
15kHz LPF
AUDIO OSC
ete
SUBJECT
i
PEER
SIGNSL
MEASURE
OUTPUT
ADJUST ADJUST
FOR
REMARKS
FROM
TO
1.
|
IF
Coil
Adj.
98MHz
ANT
Input
|
FM
ANT
Between
Point@
IFT
Coil
Max.
DC
Volt
20d
Bf
(14.8dB),
Terminal
(Pin
16
of
dICt)
&
(Front-end
1kHz
(100%
MOD.),
GND
(F-6000),
Pack)
FM
SSG
DC
Volt
Meter
2.
|
Discriminator
|
1)
|
98MHz
ANT
Input
|
FM
ANT
Between
pointe
&
dT1
DC
0V
+30mV
¢Repeat
procedures
Coil
Adj.
65dBf
(59.8dB),
Terminal
©
(Across
the
dR23)
|
(F-6000)
as
stated
in
subject
No
MOD.,
(F-6000)
1)
&
2).
FM
SSG
DC
Volt
Meter
2)
|
98MHz
ANT
Input
|
Same
as
Output
L
or
R-ch,
dT2
Min
THD
65dBf
(59.8dB),
above
Dist
Meter
&
SCOPE
|
(F-6000)
1kHz
(100%
MOD.),
FM
SSG
3.
|
LOCKED
Indicator
|
98MHz
ANT
Input
|
FM
ANT
LOCKED
Indicator
dVR1
LOCKED
Indicator
Level
Adj.
23dBf
(17.8dB),
Terminal
(F-6000)
turns
ON.
1kHz
(100%
MOD.),
FM
SSG
ot
=
Technical
Hint
for
FM
Adjustment
There
are
two
kind
in
indication
of
FM
SSG
output
attenuator.
©
The
following
table
shows
relations
among
FM
SG
attenuator
indi-
1.
Attenuator
with
marking
of
750
open.........
open
indication
cation
(dB),
available
power
ratio
(dBf)
and
antenna
terminal
vol-
type.
tage
(dB/pV)
in
each
indication
type.
2. Attenuator with marking of 75 load or Close ........-e eee load
or close indication type.
FM SG output level in this FM adjustment are described as open indi-
FM SG Available Antenna
Attenuator Power Terminal
cation
type.
Indication
Ratio
Voltage
To
feed
FM
signal,
a
dummy
antenna
circuit
as
Fig.
4-2
must
be
con-
bee
eAit,
cae
0
dB
—0.8
dBf
|
—6
dB/pV
nected
between
FM
SG
output
and
ANT
terminal
(3000)
of
the
unit.
Open
indication
type
66
dB
65.2
dBf
|
60
dB/uV
Load
or
close
0 dB
5.2
dBf
O dB/pV
indication
type
60
dB
65.2 dBf
60
dB/pV
Dummy antenna