6
D-FJ211
TUNER SECTION
AM section
BAND : AM
FM section
BAND :FM
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust parts
Frequency display
Reading on digtal
voltmeter
L5
530kHz
<
531kHz
>
Adjustment value : 0.7V
Standard value : 0.2–1.4V
Adjustment value : 5.0V
Confirmation 1,710kHz <1,602kHz>
<4.4V>
Standard value : 4.3–5.7V
<3.7–5.2V>
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
620kHz
<
621kHz
>
CT1
1,400kHz
<
1,395kHz
>
FM FREQUENCY COVERAGE ADJUSTMENT
Frequency display
Reading on digtal voltmeter
Confirmation
87.5MHz
Standard value : 4.3–5.7V
L2
108MHz
Adjustment value : 9.5V
Standard value : 9.0–10.0V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
87.5MHz
Confirmation
108MHz
0 dB = 1
µ
V
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
AM RF signal
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
level meter
L4
L3
L2
FL2
1
30
R601
C22
C810
C21
1
2
3
7
C109
C8
C9
C325
R73
R74
R75
R4
R873
R2
R65
R66
R815
R844
VDR302
VDR305
D306
J102
TJ304
A A
D
TJ307
TJ3
(FM RF IN)
TJ6
IC1
TJ8
TJ5
TJ410
TJ605
TJ606
TJ608
TJ801
TJ611
TJ10
TJ802
L606
C44
TJ1
TAP1
606
D2
D3 FJ120
FM RF signal
generator
33.75kHz frequency deviation
by 1kHz signal.
Output level :
as low as possible
TJ3
(FM RF IN)
0.01
µ
F
[MAIN BOARD]
(Side A)
< > : 9kHz step
SECTION 4
ELECTRICAL ADJUSTMENTS
Adjustment Location :
Main board
Frequency Coverage Adjustment
Setting :
L4
L3
L2
FL2
1
30
R601
C22
C810
C21
1
2
3
7
C109
C8
C9
C325
R73
R74
R75
R4
R873
R2
R65
R66
R815
R844
VDR302
VDR305
D306
J102
TJ304
A A
D
TJ307
TJ3
(FM RF IN)
TJ6
(TU GND)
IC1
TJ8
TJ5
TJ410
TJ605
TJ606
TJ608
TJ801
TJ611
TJ10
TJ802
L606
C44
TJ1
(VT)
TAP1
606
D2
D3 FJ120
[MAIN BOARD]
(Side A)
TJ1 (VT)
TJ6 (TU GND)
digital voltmeter
(DC range)
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