Sony XR-75Z9K Service Manual page 30
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Also See for XR-75Z9K:
- Reference manual (41 pages) ,
- Setup manual (39 pages) ,
- Reference manual (211 pages)
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TROUBLESHOOTING
2.2 3x LED Blinking – AUD_ERR
3x blinking
(AUD_ERR)
Replace
Main Board
NG
Replace
Power /LD* Board
NG
OK
Main Board
OK
Power /LD* Board
Measure the Speaker
impedance by multi-meter
Less than 10Ωand
More than 3Ω ?
NG
Replace
Speaker
OK
Speaker
Error Item
Number of STBY LED Blinking
DC_ALERT
3
AUD_ERR
3
OK
Speaker Harness
NG
Description
Main 5V power failure
Audio amp. protection
30
SYS SET
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