8
5. AM
IF
Adjustment
Step
Input Signal Source Signal
Source Signal Output Level
Reception
Adjustment
Adjustment
Connection Frequency
and Modulation Frequency Point
Value
Signal generator output
to
999 KHz
Output level
•
(LorR)
1
transmission *loop antenna.
1000 KHz
300 uV/m
(50
dB/m)
Tuning point
LA06
Maximum
(*:Standard required loop)
•
atTAPE-OUT
This adjustment is normally not necessary, because the coil LA06
is
preset by the original supplier.
6. AM Tracking Adjustment
(MW)
Step
Input Signal Source Signal
Source Signal Output Level
Reception Adjustment
Adjustment
Connection Frequency
and Modulation
Frequency Point
Value
Signal generator output to
603 KHz 603 KHz
Output level
•
Level 300 - 400 uV/m
•
(LorR)
1
transmission *loop antenna.
600 KHz
Mod. 400
Hz
30% 600 KHz
LA01
Maximum
(*:Standard required loop)
e
•
atTAPE-OUT
-
1404 KHz
1404 KHz Output level
2
•
Level 300 - 400 uV/m
•
CA01
(LorR)
1400 KHz
Mod. 400
Hz
30% 1400 KHz
Maximum
e
e
atTAPE-OUT
3
Repeat step 1 and 2 until level is at maximum reading.
7. AM Tracking Adjustment (LW)
Step
Input Signal Source
Signal Source Signal Output Level Reception Adjustment
Adjustment
Connection
Frequency and Modulation Frequency
Point Value
Signal generator output
to
Output level
Level 300 - 400 uV/m
(LorR)
1
transmission *loop antenna.
171
KHz
Mod. 400
Hz
30%
171
KHz
LA03
Maximum
(*:Standard required loop)
atTAPE-OUT
-
Output level
2
270 KHz
Level 300 - 400 uV/m
270 KHz
CAOB
(Lor
R)
Mod. 400
Hz
30%
Maximum
at TAPE-OUT
3
Repeat step 1 and 2 until level is at maximum reading.
8. AM auto stop Adjustment
Step
Input Signal Source
Signal Source Signal Output Level Reception Adjustment Adjustment
Connection
Frequency and Modulation Frequency Point
Value
Signal generator output
to
999 KHz 999 KHz
•
•
"TUNED"
1
transmission *loop antenna.
1000 KHz
500 uV/m (54 dB/m)
1000 KHz
RA11
indicate on FLD
(*:Standard required loop)
e e
-
2
1000 uV/m
(60
dB/m) AUTO SCAN Only Confirm
"TUNED"
indicate on FLD
REMARK: This adjustment is related to the FM muting Level Adjustment. The FM muting Level re-adjustment is necessary
after this adjustment.
9.
On
Screen Display VCO A~justment
Step
Input Signal Source Measuring
Measuring equipment Input selector
Adjustment
Adjustment
and Connection position
Point
Value
Color
bar
or other standard
IC QX60
1
video signal.
26pin and
DC voltmeter
LD
CX67
2.5V +-0.1V
Video signal generator output
GND.
(Impedance> 10K
ohmN)
to LD video input.
REMARK: Connect the
TV
monitor to the monitor output terminal of
thE;
product.
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