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TROUBLESHOOTING
2.2 LED Blinking: 3x (AUD_ ERR) – XR-*80K / *80CK
Audio
AMP(IC6600)
Audio Amp PVDD
CN1700 Pin15,17,19
Audio Amp PVDD-
GND check
Measure
impedance between
CN1700 Pin
15/17/19 and GND.
Short = NG
Audio Amp PVDD-
Voltage check
Measure Voltage at
CN1700 Pin
15/17/19 and GND.
<11.4V or >14.0V
= NG
Audio Amp Fuse
F6603
F6604
Audio
AMP(IC6001)
Caution: Before start do checking point, please ensure TV in
"Power Off" Condition for Continuity check
For Fuse open check
Measure continuity of Fuse F6603, F6604
Open = NG
Audio Amp DVDD
C6604
Audio
AMP(IC6001)
Audio Amp DVDD-GND check
Measure impedance between DVDD
and GND at capacitor C6604
Short = NG
69
SYS SET
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