- 3 -
TUNER ADJUSTMENTS
ADJUSTMENT
L803
- - - -
ADJUST FOR
CHECK
1.5V+-0.1V
CHECK
5.0V+-0.1V
SING.
FRE.
87.5MHz
108MHz
NO.
1
2
3
BAND
FM
FM
REPEAT STEP 1 AND 2 SEVERAL TIMES
ADJUSTMENT
T801
- - - -
ADJUST FOR
CHCK
1.5V+-0.1V
CHECK
7.5V+-0.2V
SING.
FRE.
520KHz
1710KHz
NO.
4
5
6
BAND
AM
AM
REPEAT STEP 4 AND 5 SEVERAL TIMES
(EUROPE/ASIA)
FM Band: Set the internal modulation of Singnal
generator to 1 KHz Dev. 22.5KHz
AM Band: Set the internal modulation of Singnal
generator to 30%1KHz
FM BAND
AM BAND
(3). TUNING FREQUENCY RANGE ADJUSTMENT
CD
VOLTAGE
METER
CD
VOLTAGE
METER
FM-SG
AM-SG
75 OHM
FM ANT
OUTPUT
OUTPUT
OSCILLOSCOPE
OSCILLOSCOPE
AM LOOP ANT
60cm
(FIG.3)
R803
R803
ADJUSTMENT
L805
(ANT COIL)
TC801
ADJUST FOR
MAXIMUM
SENSITIVITY
MAXIMUM
SENSITIVITY
SING.
FRE.
600KHz
1400KHz
BAND
AM
STEP
1
2
3
REPEAT STEP 4 AND 5 SEVERAL TIMES
ADJUSTMENT
L802
TC802
ADJUST FOR
MAXIMUM
SENSITIVITY
MAXIMUM
SENSITIVITY
SING.
FRE.
90MHz
106MHz
BAND
FM
STEP
1
2
3
REPEAT STEP 1 AND 2 SEVERAL TIMES
(AMERICA)
(4). AM TRACKING ADJUSTMENT
Signal Generator ...... Connects to the AM ANT. Coil througt the loop antenna.
Adjust for the indication of VTVM of the wave form scope to be maximum.
(5). FM RF TRACKING ADJUSTMENT
Signal Generator ...... Connects to the FM ANT JACK (FM IN) through the dummy.
AC EVM
FM-SG
AM-SG
OUT
75 OHM
FM ANT
OUTPUT
OSCILLOSCOPE
OSCILLOSCOPE
AM LOOP ANT
60cm
(FIG.4)
(FIG.5)
AC EVM
Содержание CWM-460
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