DAV-LF1, SA-WSLF1 - Sony Audio Service Manual (repair manual). Page 4

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4
SA-WSLF1
[The check method of the output signal from DIAT TRANSMITTER board]
Procedure:
1. A spectrum analyzer is connected to pin 2 and pin 1 of the output connector CN803 of DIAT TRANSMITTER board.
2. Confirm that it is spectrum as shown in a figure with the spectrum analyzer. It is normal if the signal of a 3MHz to 6MHz zone (a center
is 4.5MHz) can be checked.
digital 
voltmeter 
10 
(0.5%)
DIAT TRANSMITTER
board
CN803 Pin 1
Pin 2
3. When the output signal from DIAT TRANSMITTER board is normal, pin 8 (SDATA), pin 4 (LRCKO) and pin 5 (BCKO) of the input
signal connector CN801 are investigated.
DVD player :
HCD-LF1
DVD player : HCD-LF1
Sub woofer :
SA-WSLF1
Sub woofer : SA-WSLF1
Front speaker :
SS-TSLF1(R)
SS-TSLF1L(L)
Front speaker : SS-TSLF1(R)
SS-TSLF1L(L)
Center speaker :
SS-CTLF1
Center speaker : 
SS-CTLF1
Surround speaker :
SS-TSLF1W(R)
SA-TSLF1(L)
Surround speaker : SS-TSLF1W(R)
SA-TSLF1(L)
Remote 
commander :
RM-SP320
Remote commander :
RM-SP320
Units required for
operation
check
Unit. 
need to 
checking
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
*
1
*
1
*
2
*
1  Only the defective unit.  
*
2  Either one of them.
Units with 
a
 mark: The units that are required for the system operation check during repair service
However, there can be a case that some units of the system need to not be brought into repair shop depending on the unit. that became defective. 
• The units that are required for the system operation check during repair service
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