TUNER ADJUSTMENTS
(3). AM IF ADJUSTMENT
AM LOOP ANT
0.1U
IC301
18PIN
(FIG.1)
(4). FM IF ADJUSTMENT
300PF
0.1U
(FIG.2)
(5). TUNING FREQUENCY RANGE ADJUSTMENT
FM BAND
FM-SG
R803
OUTPUT
75 OHM
FM ANT
AM BAND
AM-SG
AM LOOP ANT
R803
OUTPUT
60cm
(FIG.3)
450 KHz
10.5MHz
10.7
10.9
WAVE FORM
(MHZ)
OSCILLOSCOPE
CD
VOLTAGE
METER
OSCILLOSCOPE
CD
VOLTAGE
METER
BAND
STEP
SING.
FRE.
MW-IF
1
450KHz
BAND
STEP
SING.
FRE.
FM-IF
1
10.7MHz
(USA)
FM Band: Set the internal modulation of Singnal
generator to 1 KHz Dev. 22.5KHz
NO.
BAND
SING.
FRE.
1
FM
87.5MHz
2
FM
107.9MHz
3
REPEAT STEP 1 AND 2 SEVERAL TIMES
AM Band: Set the internal modulation of Singnal
generator to 30% 1KHz
NO.
BAND
SING.
FRE.
4
AM
520KHz
5
AM
1710KHz
6
REPEAT STEP 4 AND 5 SEVERAL TIMES
- 4 -
RADIO
ADJUST-
REMARKS
SETTING
MENT
T802
ADJUST FOR
BEST IF WAVE
FORM
RADIO
ADJUST-
REMARKS
SETTING
MENT
- - - -
- - - -
ADJUST FOR
ADJUSTMENT
CHECK
L803
1.4V~1.5V
CHECK
- - - -
5.0V~5.5V
ADJUST FOR
ADJUSTMENT
CHCK
T801
1.5V~1.6V
CHECK
- - - -
8V~8.5V