Sony XR-75Z9K Service Manual page 31
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Also See for XR-75Z9K:
- Reference manual (41 pages) ,
- Setup manual (39 pages) ,
- Reference manual (116 pages)
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TROUBLESHOOTING
2.3 4x LED Blinking – LD_ERR
4x blinking
(LD_ERR)
Check "LD_ERR_DET" Voltage
BM5S22 : CL5206
Low (0V)
Main Board
High (3.3V)
LCD model ?
Yes
Replace LD board
OK
LD Board
Error Item
Number of STBY LED Blinking
LD_ERR
No
Panel
NG
Description
LCD
LED driver failure/LED voltage protection
4
OLED
TCON internal or I2C communication failure
31
SYS SET
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