Sharp VZ-1600H Serviceanleitung Seite 18

Z-1600H(S)
©
MW/LW IF/RF ADJUSTMENT
Sweep
Generator
SIGNAL
GENERATOR 400 Hz, 30%, AM modulated
DIAL AD-
TEST FRE-
STEP POINTER| JUST-
HH, 455 kHz! High T201 Adjust for
E, 465 kHz] frequency
best "IF'' curve.
Lowest L111
Band frequency
coverage
Highest TC107
frequency'
| A] Repeat steps 2 and 3 until no further improvement can be
made.
| 800 kHz | sookHs | L109 |
LW RF
Adjust for
ees
eet
TC105 | maximal output
Signal
Generator
Adjust for
maximal output.
Tracking
Repeat steps 5 and 6 until no furhter improvement can
be made.
Lowest L110
frequency
Highest TC106 | Adjust for
frequency
maximal output.
Repeat steps 8 and 9 until no further improvement can
be made.
[to kHe | t60KHe | L108 | a ainee for
Repeat steps 11 and 12 until no further improvement can
be made.
Band
coverage
a Tracking
Gillon
T202 T201
a
ees
: °
: an | 60 cm I °
MW/LW Oscilloscope
Test Loop Bar Antenna
|.
i}
i L107] Unit
Figure 24—1 MW/LW IF
"IE" Curve
fo
About
10cm
MW/LW
Test Loop Bar Antenna
Unit
Figure 24—2 MW/LW RF
Figure 24—3 ADJUSTMENT POINT
—24—