Sony HCD-ZUX9

HCD-ZUX9
3. Mode: Playback
test tape
P-4-A100 JACK board
(10 kHz, −10 dB) PHONES jack oscilloscope
(J904)
TUNER SECTION 0 dB = 1 µV
[FM TUNE LEVEL CHECK]
FM signal generator
set
V
H
SET
OUT (75 Ω)
waveform of oscilloscope
in phase 45° 90° 135° 180°
good
wrong
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
DECK A
forward
DECK B
Procedure:
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
antenna input directly.
* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation : 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
Note: Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and tune A, B and C signals.
4. Confirm “TUNED” is lit on the display for A, B and C signals.
The mark of “TUNED” means “The selected station signal is
received in good condition.”
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