Am Section; Audio Section; Front Section; Cd Section - Sony RXD-700 Service Manual

FM Stereo Distortion Adjustment
Setting :
TUNER button : FM
FM ANTENNA
75 Ω COAXIAL
TAPE
FM RF SSG
REC OUT
set
Carrier frequency : 98.0 MHz
Output level : 60 dB (1 mV)
Mode : stereo
Modulation : main : 1 kHz, 34.125 kHz deviation (45.5%)
sub : 1 kHz, 34.125 kHz deviation (45.5%)
19 kHz pilot : 6.75 kHz deviation (9%)
Procedure :
1. Tune the set to 98.0 MHz.
2. Adjust IFT on PACK701 for a minimum reading on the
distortion meter.
Adjustment Location : See page 14.
0 dB = 1 µV

AM SECTION

AM Tuning Level Adjustment
Setting :
TUNER button : AM
AM RF SSG
Carrier frequency : 999 kHz
Output level : 55 dB (0.56 mV)
Procedure :
1. Set loop antenna A so that the loop antenna B input level
becomes 55 dB (0.56 mV)
2. Tune the set to 999 kHz.
3. Adjust VR702 so that the TUNED indicator goes on.
4. Confirm that the TUNED indicator goes off with AM RF SSG
output level set at 53 dB.
Adjustment Location : See page 14.
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1 kHz
high pass
distortion meter
filter
60 cm loop
antenna B
set
loop
antenna A

AUDIO SECTION

Idle Current Adjustment
Setting :
VOLUME control : MIN
CP1 (L-CH),
CP2 (R-CH)
Procedure :
1. Adjust VR101 (L-CH), VR102 (R-CH) for 7 ± 0.2mV reading
on digital voltmeter.
Adjustment Location : See page 14.

FRONT SECTION

Frequency (Clock) Adjustment
Setting :
TP901
Procedure :
1. Connect the frequency counter to TP901.
2. Adjust C914 for 32.768 kHz ± 0.1 Hz reading on frequency
counter.
Adjustment Location : See page 14.

CD SECTION

• This set is automatically adjustment.
– 13 –
digital voltmeter
(DC range)
frequency
counter