Hitachi DV-DS163E Service Manual page 34

Details of Servicing and Troubleshooting > Troubleshooting
No OPTICAL / COAXIAL output.
NO
PVM01 Pin1
(SPDIF_OUT) :
YES
<OPTICAL>
NO
R851 :
YES
NO
JK803 Pin2 : 5.2V
YES
Check JK803 and
Optical cable.
Check MAIN P.C.B, and
replace if necessary.
Check R851, and
replace if necessary.
Check R852 and
5.2V power supply.
3 - 14
<COAXIAL>
NO
C856 :
YES
NO
BD817 :
YES
Check JK802 and
Coaxial cable.
Check C856, and
replace if necessary.
Check BD817, and
replace if necessary.