Sony RMT-D254A Service Manual page 69

No audio on line input mode or
recorded disc playback
Check audio
input signal
1) Line 1 Audio input: AVIC 1 Pin # 122, 123
2) Line 2 Audio input: AVIC 1 Pin # 125, 126
Yes
1. Check peripheral parts of
Clock oscillation
1)Check AVXAL
2. Check peripheral parts of AVIC 1
1) Pin #98,#99,# 100
2) Pin # 102~#105
Yes
Change DVD JACK Board
No
Check peripheral parts of
8AJK2, JK801
Check VCC (3.3V, 1.8V)
No
of AVIC 1
6-6