Sony XR-65X95K Service Manual page 30

2022/03/30 00:15:03 (GMT+09:00)
TROUBLESHOOTING
1.3 No Power – DDCONs & LDO check
Please refer page 26 for Reference Number.
START
yes
Check VCC voltage
C4xx/C8xx
Is voltage >3V?
yes
Check Enable pin
voltage
Is voltage >3V?
yes
Change DDCON
Or LDO IC
SAFETY NOTES
no
Check 3.3V_STBY (Power board)
no
1.2 No Power U-Com Failure
or
Enable source
SELF DIAGNOSIS FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM
30
HANDLING GUIDE
SYS SET