TUNER SECTION
0dB=1µV
AM Tuned Level Adjustment
Band: 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 999 kHz.
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.
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 to the
point (moment) when the TUNED indicator will change from
going off to going on.
Adjustment Location: TCB board
Adjustment Location:
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.
Note: As a front-end (FE1) is difficult to repair if faulty, replace
it with new one.
AM Section Adjustment
Setting:
AEP, UK model : (East European, CIS models next page)
[TCB BOARD] (Component Side)
RV42
FM Tuned Level
Adjustment
AM Tuned
Level
Adjustment
IC41
RV41
TM1
FE1
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
