DAV-LF1H, SA-WSLF1H - Sony Audio Service Manual (repair manual). Page 4

4

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 

Ω

(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.

Unit
required for checking

Unit to be

checked

DVD player:
HCD-LF1H
Subwoofer:
SA-WSLF1H
Front speaker:
SS-TSLF1H
Center speaker:
SS-CTLF1H
Surround speaker (L):
SA-TSLF1H
AC adaptor:
AC-LF1HR
Surround speaker (R):
SS-TSLF1HW
Remote commander:
RM-ADP011

DVD player:
HCD-LF1H

Subwoofer:
SA-WSLF1H

Front speaker:
SS-TSLF1H

Center speaker:
SS-CTLF1H

Surround speaker
(L): SA-TSLF1H

AC adaptor:
AC-LF1HR

Surround speaker
(R): SS-TSLF1HW

*1  Only the defective unit.
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 become defective.)

*1