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Sanyo CWM-460 Service Manual page 4

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

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