Read Sony ST-SA50ES Service Manual online
— 10 —
AM SECTION
Setting:
BAND : MW
BAND : MW
AM Meter Level Adjustment
Setting:
Carrier frequency : 1,050kHz
Modulation
Carrier frequency : 1,050kHz
Modulation
: 400Hz, 30% modulation
Procedure:
1. Set AM RF signal generator so that the AM antenna input level
1. Set AM RF signal generator so that the AM antenna input level
becomes 74dBµ/m.
2. Adjust RV402 so that 1 to 10 indication bars light up on the
signal meter.
Adjustment Location :
AM RF SSG
loop antenna
set
loop antenna
(Supplied accessories)
(Supplied accessories)
60 cm
AM antenna
terminal
terminal
30% amplitude
modulation by
400 Hz signal
modulation by
400 Hz signal
Field strength dB (
µ
V/m) =SSG output level dB (
µ
V/m) –26 dB.
FE101
RV402
AM Meter Level
Adjustment
RV232
Narrow THD
Adjustment
RV251
Stereo Level
Adjustment
T252
FM Discriminator Adjustment
(Null and Mono Distortion Adjustment)
RV221
FM Meter Level
Adjustment
IFT1
Front end IFT/
Stereo Distortion
Rate Adjustment
Front end IFT/
Stereo Distortion
Rate Adjustment
RV231
Narrow Gain
Adjustment
IC221
IC251
IC401
TP251
RV301
wide
Separation
Adjustment
RV302
Narrow
Separation
Adjustment
IC301
T253
(Distortion)
(Null)
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