DAV-HDX275, DAV-HDX277WC, DAV-HDX279W, DAV-HDX475, DAVHDX576WF, DAV-HDX675, HCD-HDX275, HCD-HDX277WC, HCD-HDX279W, HCD-HDX475, HCD-HDX576WF, HCD-HDX675 - Sony Audio Service Manual (repair manual). Page 27

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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
27
27
SECTION  5
ELECTRICAL  ADJUSTMENTS
When the base unit is replaced, perform the adjustment and the 
measurement as shown below in this order.
EXECUTING IOP MEASUREMENT (See page 25)
FM  TUNE  LEVEL  CHECK
signal
generator
set
Procedure:
1.  Turn on the set.
2.  Input the following signal from signal generator to FM antenna 
input directly.
Carrier frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation : 
75 
kHz
Modulation : 1 kHz
ANT input  : 35 dBu (EMF)
Note:  Use 75 ohm coaxial cable to connect signal generator and the set. 
You cannot use video cable for checking.
 
Use signal generator whose output impedance is 75 ohm.
3.  Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C sig-
nals.
When the selected station signal is received in good condition, 
“TUNED” is displayed.
DVD  SECTION
TUNER  SECTION
To Execute the Initialize Setup Data
Procedure:
1.  Press the [DVD MENU] button on the remote commander and 
then press the [CLEAR] button on the remote commander. The 
following screen appears on the on-screen display.
Emg. History Check
Laser Hours     CD    999h  59min
                DVD   999h  59min
Initialize setup data...
[Next]Next page [Prev]Prev page
[0]Return to Top Menu
2.  The screen after a while returns to former display.
To Return to the Top Menu of  Remocon Diagnosis Menu
Press the [0] button on the remote commander.
5.  CHECKING  VERSION  INFORMATION
To check the version information, please follow the following pro-
cedure.
Procedure:
1.   From the top menu of  Remocon Diagnosis Menu, select “4. 
Version Information” by pressing the [4] button on the remote 
commander. The following screen appears on the on-screen 
display.
 
Version information
Firm(Main): Ver. X.XXXX
Firm(Sub): XX.XX
RISC: XXXXXX
8032: XXXXXX
Audio DSP: XX.XX.XX.XX
Servo DSP: XX.XX.XX.XX
[0]Return to Top Menu
2.  To return to the top menu of Remocon Diagnosis Menu, press 
the [0] on the remote commander.
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