Electrical Adjustments - Sony XDR-S1 Service Manual

Dab/fm/mw/lw digital radio
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XDR-S1
TRACKING ADJUSTMENT
This set has the calibration function for tracking adjustment. It is
calibrated on each of LW and MW bands using frequencies at 7
points or 9 points.
Setting:
BAND: MW or LW
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
• LW
1. With the power off, press the 4 keys: [TIMER STANDBY], [SC],
0 and [DISPLAY] simultaneously for 3 seconds. The LCD
display shows "Calibration Mode" on the top and "LW MW
EXIT" on the bottom.
Calibration
LW
MW
2. Select "LW" using the TUNE/SET UP [+]/[--] key, and press
the [MENU/ENTER] key.
3. The LCD display shows "Calibration" on the top and the
frequency at 1st point "153 kHz" on the bottom.
Calibration
4. Set the output frequency of the signal generator to 153 kHz.
5. When adjustment at 1st point is completed (it takes for about 3
seconds), press the [MENU/ENTER] key.
6. Repeat steps 3 to 5 until adjustment at 2nd point to 7th point is
completed.
Frequency at each point:
1st point: 153 kHz
2nd point: 162 kHz
3rd point: 174 kHz
4th point: 186 kHz
5th point: 195 kHz
6th point: 243 kHz
7th point: 279 kHz
7. Once adjustment at all the points is completed, the LCD display
shows "Complete Cancel" on the top. Select either of the
following options using the TUNE/SET UP [+]/[--] key and press
the [MENU/ENTER] key.
Complete: Writes the data and returns to the menu.
Cancel: Aborts the data and returns to the menu.
8
SECTION 3

ELECTRICAL ADJUSTMENTS

Put the lead-wire
antenna close to
the set.
Mode
EXIT
153kHz
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• MW
1. Select "MW" using the TUNE/SET UP [+]/[--] key, and press
the [MENU/ENTER] key.
2. The LCD display shows "Calibration" on the top and the
frequency at 1st point "531 kHz" on the bottom.
3. Set the output frequency of the signal generator to 531 kHz.
4. When adjustment at 1st point is completed (it takes for about 3
seconds), press the [MENU/ENTER] key.
5. Repeat steps 2 to 4 until adjustment at 2nd point to 9th point is
completed.
Frequency at each point:
1st point: 531 kHz
2nd point: 603 kHz
3rd point: 702 kHz
4th point: 801 kHz
5th point: 900 kHz
6th point: 999 kHz
7th point: 1305 kHz
8th point: 1503 kHz
9th point: 1602 kHz
6. Once adjustment at all the points is completed, the LCD display
shows "Complete Cancel" on the top. Select either of the
following options using the TUNE/SET UP [+]/[--] key and press
the [MENU/ENTER] key.
Complete: Writes the data and returns to the menu.
Cancel: Aborts the data and returns to the menu.
• Termination of Adjustment
1. Select "EXIT" using the TUNE/SET UP [+]/[--] key, and press
the [MENU/ENTER] key.
2. The LCD display shows "Please Reset". Press the [RESET] key
to terminate the Calibration Mode.
23/7/2013

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