TUNER SECTION0dB=1?V
Note 1:As a front-end (FE1) is difficult to repair if faulty, replace
it with new one.
Note 2:No adjustment is needed due to a tuner pack for except
AEP, UK, German, East European models.
AM Tuned Level Adjustment
Note:FM Tuned Level adjustment should be performed after this
AM Tuned Level Adjustment.
Setting:
Band: AM or MW
loop antenna
(Supplied accessories)
loop antenna
AM RF SSG
set
AM antenna
60cm
30% amplitudeterminal (TM1)
modulation by
400Hz signalField strength dB (?V/m) = SSG output level dB (?V/m) �26dB.
Modulation:999 kHz (at 9 kHz step)
1,050 kHz (at 10 kHz step)
Procedure:Adjustment Location
1. Set the output of SSG so that the input level of the set becomes
55 dB.[TCB BOARD] (Component Side)
2. Tune the set to 999 kHz or 1,050 kHz.
3. Adjust RV41 to the point (moment) when the TUNED indicatorRV41
will change from going off to going on.AM Tuned Level
Adjustment Location: TCB board
FM Tuned Level Adjustment
Note:This adjustment should be performed after the AM Tuned
Level Adjustment.IC41
TM1
Setting:
RV42
Band: FMFM Tuned Level
FE1
FM RF SSG
75 W coaxial
set
Carrier frequency: 98MHz
Modulation:AUDIO 1kHz, 75kHzFM ANTENNA terminal
deviation (100%)(TM1)
Output level:25dB (at 75W open)
Procedure:
1. Supply a 25 dB 98 MHz signal from the ANTENNA terminal.
2. Tune the set to 98 MHz.
3. Adjust RV42 to the point (moment) when the TUNED indicator
will change from going off to going on.
N 13 N |
ACEC
