TUNER SECTION
0dB=1µV
AM Tuned Level Adjustment
Band: AM or MW
Procedure:
1. Set the output of SSG so that the input level of the set be-
comes 55 dB.
2. Tune the set to 1,050 kHz (US, CND models), 999 kHz (other
models).
3. Adjust RV41 (AEP, UK, EE, CIS models), RV42 (other mod-
els) to the point (moment) when the TUNED indicator 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.
Setting:
Band: FM
Procedure:
1. Supply a 25dBµ 98 MHz signal from the ANTENNA termi-
2. Tune the set to 98 MHz.
3. If the TUNED indicator does not light, adjust RV42 (AEP, UK,
EE, CIS models), RV41 (other models) to the point (moment)
when the TUNED indicator will change from going off to go-
ing on.
Adjustment Location: TCB board
Carrier frequency : 98 MHz
Modulation : AUDIO 1 kH, 75 kHz
deviation (100%)
FM ANTENNA terminal
(TM1) (75
Ω
open)
75
Ω
coaxial
set
FM RF stereo signal
generator
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.
Other models
[TCB BOARD] (Component Side)
RV42
IC41
RV41
TM1
FE1
RV41
IC2
RV42
TM1
FE1
Adjustment Location:
AEP, UK model : (EE, CIS models next page)
[TCB B OARD] (Component Side)
Note: As a front-end (FE1) is difficult to repair if faulty, replace
it with new one.
AM Section Adjustment
Setting:
• Abbreviation
CND: Canadian model
EE:
East European model
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