Table of Contents
Advertisement
TROUBLESHOOTING
2.2 LED Blinking: 3x (AUD_ ERR) – XR-*A75L
3x blinking
(AUD_ERR)
B-Board
Audio Amp Fuse broken?
No
TV
B-Board
Power OFF
Audio Amp PVDD-GND short?
check
No
B-Board
Audio Amp DVDD-GND short?
No
B-Board
TV
Audio Amp PVDD OK?
Power ON
Before enter 3x blinking, Check
check
voltage supplied to B-Board
Audio Amp PVDD for
that moment
No
Yes
Yes
Replace
B-Board
Yes
NG
Replace
G-Board or LD-Board
Yes
NG
Check reading
measurement by using
multi-meter within this range?
Speaker = 5.1Ω ~ 6.9Ω
Piezo = 2140�������� ~ 3210��������
Yes
Measure the Speaker/Piezo
Harness connectivity by multi-meter
No connectivity? or
Shorted to GND/Chassis?
OK
OK
No
Replace
Speaker/Piezo
NG
Replace
Yes
Speaker/Piezo
Harness
OK
OK
Finish
68
SYS SET
Advertisement
Table of Contents
