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TUNER SECTION
0 dB=1 µV
(AEP, German, UK, East European, CIS models only)
Note:
As a front-end (FE1) is difficult to repair if faulty, replace it with
new one.
new one.
AM Section Adjustment
Note:
FM Tuned Level Adjustment should be performed after this AM
Tuned Level Adjustment.
Tuned Level Adjustment.
Setting:
AM Tuned Level Adjustment
Band: MW
Procedure:
1. Set the output of SSG so that the input level of the set be-
Procedure:
1. Set the output of SSG so that the input level of the set be-
comes 55 dB.
2. Tune the set to 999 kHz or 1,050 kHz.
3. Adjust RV41 to the point (moment) when the TUNED indica-
3. Adjust RV41 to the point (moment) when the TUNED indica-
tor will change from going off to going on.
Adjustment Location : TCB board
FM Section Adjustment
Note:
This adjustment should be performed after the AM Tuned Level
Adjustment due to the same adjustment element.
Adjustment due to the same adjustment element.
Setting:
FM Tuned Level Adjustment
Band: FM
Procedure:
1. Supply a 25 dBµ 98 MHz signal from the ANTENNA termi-
Procedure:
1. Supply a 25 dBµ 98 MHz signal from the ANTENNA termi-
nal.
2. Tune the set to 98 MHz.
3. If the TUNED indicator does not light, adjust RV42 to the
3. If the TUNED indicator does not light, adjust RV42 to the
point (moment) when the TUNED indicator will change from
going off to going on.
going off to going on.
AM RF SSG
loop antenna
set
loop antenna
(Supplied accessories)
60 cm
AM ANTENNA
terminal (TM1)
30% amplitude
modulation by
400 Hz signal
Field strength dB (
µ
V/m) =SSG output level dB (
µ
V/m) –26 dB.
Carrier frequency : 98 MHz
Modulation : AUDIO 1 kH, 75 kHz
deviation (100%)
Modulation : AUDIO 1 kH, 75 kHz
deviation (100%)
FM ANTENNA terminal
(TM1) (75
(TM1) (75
Ω
open)
75
Ω
coaxial
set
FM RF stereo signal
generator
generator
Adjustment Location: TCB board
Adjustment Location:
[TCB BOARD] (Component Side)
TM1
IFT41
IC41
CN1
RV42
FM Tuned
Level
Adjustment
FM Tuned
Level
Adjustment
RV4
AM Tuned
Level
Adjustment
AM Tuned
Level
Adjustment
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