Sony RDR-GXD455 - Page 66

6-6
Check audio
input signal
1) Line 1 Audio input: AVIC1 Pin # 122, 123
2) Line 2 Audio input: AVIC1 Pin # 125, 126
Check VCC (3.3V, 1.8V) of
IC101
Change DVD JACK Board
1. Check peripheral parts of
Clock oscillation
1) IC105 Pin # 1, 2, 14
2. Check peripheral parts of AVIC1
1) Pin # 98, # 99, # 100
2) Pin # 102-# 105
Check peripheral parts of
JACK1, JK801
No
No
Check VCC line
No
Check VCC line of AVIC1
and IC105
Yes
Yes
Yes
No audio on line input mode or
recorded disc playback