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Mitsubishi DA-6OR Service Manual page 20

Cd receiver

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DA.6OR
Input/Output and procedure
MW
Tracking
Adjustment
*
Tracking point frequency
1,404 kïz
999 kHz
603 kHz
Repeat adjustment at each tracking
point alternately.
LW VCO
Adjustment
Adjust L5O7 until voltage
becomes '1 .4 I O.OSV.
See Fig. 20
Set the reception frequency to
maxi-
mum frequency.
Adjust TCS04 until voltage
becomes 8.0 t 0.0S V.
Repeat steps minimum and maximum
frequency two or
ment are at best level.
three times until both adjust-
LW
Tracking
Adjustment
o Radiate each of the
tracking point
frequencies given below from
the
AM rest loop (signal level56dB/ml.
.
Receive each of the tracking point
frequencies given below by means
of
the key or Tuning Up/Down Switch.
o Connect the AC voltmerer
to the
audio output.
* Tracking point
frequency
344 kHz
254 kHz
1 6 4 k H z
_15-06_ | eAiust so that the outpul
TC503
[ is maximized at each track-
See Fig. 22
Repeat adjustment at each tracking
point alternately.
1 9 k H z
leak check
o I n p u t a 9 8 M H z ( l k H z
1 0 0 % m o d u l a _
tion l mV) stereo signal to the FM
antenna terminal using the FM
signal
generator.
o Receive the ggMHz
signal.
r Turn off the modulation
of the FM
signal generator (only with pilot
signal).
.
Connect the AC voltmeter to
AUDIO
O U T .
LPF50l
LPF5O2
Check that the leakage of
the l9kHz signal from both
Lch and Bch is less than
SmV. lf it is not less than
SmV, adjust LFFSOI and
LPF502 so rhat the leakage
is minimized.
S e e F i g . 2 1
Fig.

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