
Yes
(9 time blinks)
No
(Power on)
LED blinks
Detail error
Board may defect
9
Audio amplifier: SOUND_SOS
A/Speaker
Audio amplifier is sourced power F15V from P board. If the amplifier work abnormally (may due
to short-circuit or overload), the SOUND_SOS signal will go low level and be detected by
IC8001
LED blinks 9 times.
Remove A12 connecter.
Power on.
Does LED blinks again?
L/R speaker
(wire of speaker)
A board
A
A02
IC8000
IC3800/01
AMP
F15V
SOUND_SOS
9 Blink
N SOS
A12
16V
From
P BOARD
65
Troubleshooting for LED Blinking ( 9 time blink )
Ex. 55FX600*
1
-
4
Summary of Contents for OLED-201806
Page 4: ...1 Board Layout 4 ...
Page 12: ...12 2 Signal Processing 2 1 Signal Flow ...
Page 17: ...17 2 2 Troubleshoot of Picture Problem ...
Page 22: ...22 3 Power Supply 3 1 Power Board Structure ...
Page 50: ...50 3 3 SOS Protection Circuit and Troubleshoot of Power Problem ...
Page 72: ...4 Handling and Rear Cover Disassemble and Assemble 72 ...
Page 78: ...5 Information of OLED model Basically same as last year model EZ series 78 ...