Sony XR-65X95K Service Manual page 31

2022/03/30 00:15:03 (GMT+09:00)
TROUBLESHOOTING
1.4 No Power – Muffin5 Failure
Muffin Fail Suspected
Muffin LOG is
displayed
No
Power uCom and
DDCON/LDO OK?
Yes
Crystal X1200
Is there 24MHz?
Yes
Muffin reset released?
ORESETB=High
Yes
eMMC clock present?
No
M5 defective
SAFETY NOTES
Yes
Write DDR check
bootloader
No
Follow 1.2&1.3
No
Replace crystal
No
Check Power uCom
Follow 1.2
Yes
Write DDR check
bootloader
TV Business Division
SELF DIAGNOSIS FUNCTION TROUBLESHOOTING
Yes
Is there DDR error?
No
Yes
Check Muffin Log
related to eMMC
Is there "CRC error"
No
Store SW log, check SW
behaviors.
Yes
Replace DDR
Is there DDR error?
No
31
eMMC
data corruption
SERVICE ADJUSTMENT
Replace DDR
eMMC defects
DIAGRAM
31
HANDLING GUIDE
SYS SET