Sanyo GXT 4615K - Page 3

v
AM
IF
AND
RF.ALIGNMENT
,
Signal
Frequency
and
Dial
Setting
Components
to
be
ae
BS
KHz
30%
|
Lowerend
[OSC
col
6
600
KH
30%
«|
BOO
KHz
|
Ant
col
LS
Repeat
step
4
and
5.
|
BIAS
CURRENT
ADJUSTMENT
Adjust
SVR-1
to
develop
0.65V
across
Tp-1
and
Tp-2.
FM
IF
ALIGNMENT
Alignment
Test
Equipment
1
10.7
MHz
Connect
sweep
generator
to
CT-2
Tune
T1, T2,
T3,
T4
and
T5
for
and
oscilloscope
to
test
point
max.
gain
and
symmetry
of
Tp-4
response
curve
(Fig.
1)
Connect
sweep
generator
to
CT-2
Tune
T6
for
symmetrical
‘’S”
and
oscilloscope
to
test
point
curve
(Fig.
2)
R110
RF
ALIGNMENT
Signal Input
Frequency
and
Dial
Setting
Components
to
be
Modulation
of
SSG
of
Radio
Adjusted
for
Max.
Output
Thru
dummy
ANT.
87.0
MHz
30%
Fig.
3
110
MHz
30%
90
MHz
30%
|
SOMHz
106
MHz
30%
.
106
MHz
ae
pea
FM
MPX
ADJUSTMENT
r
Test
Instrument
Frequency
|
SVR-101
TP-101
Frequency
Counter
Adjustment
(Input
impedance:
{19,000
Hz
100K
ohm)
+50 Hz}
RECORDING
BIAS
R611
Component to be Adjusted
Test
Instrument .
V.T.V.M.
SVR 601 (L channel)
SVR 701 (R channel)
Bias Current
Adjustment
(4.5 mV)
Repeat
STEP
3,
4,
5
and
6.
Fig.
1
Symmetrical
Fig.
2
| |
Fig.
3
response
curve
Sy
mmetrical
r
eT
ee
ee
10.7
MHz
marker
.
"6!
gurve
oe
Fite
ee
a,
See
$.6:G
75
ohm
|
0.7
MHz
marker
—AAApenl)
To
Antenna
terminal
> 75 ohrns
150 ohms
Q To common ground
300 ohms