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Troubleshooting for LED Blinking ( 1 / 2 time blink ) for OLED -1
LED blinks
1
EVDD_SOS
2
OLED Panel SOS (T-CON power)
If the T-CON board detects
1.voltage error of 24V from PB board , the error
2.problem the power circuit in T-CON board (that is provided from PNL12V)
the error signal is output from T-CON board to A board.
1.
LED blink 1 time
2.
LED blink 2 time
OLED Module
CN5
8 - 15
8 - 15
PB
24V
24V
Output
( TNPA6311** )
( TNPA6310** )
P
16V
Output
Q7403/05
Detail error
(OLED panel power)
24V
A02
PB5
24V
PB4
Q7402
1
19
13
14
P2
1-5
1-7
16V
A02
T-CON
CN11
EVDD(24V)
_DET
7 - 12
PNL12V
24 - 26
IC5260
N SOS
PNL12V
12V
Q4012
SRV-12V
Panel_VCC_ON
IC9000
EVDD_ON
LCD_TV_SUB_ON
ON OFF
<A+P+PB>
Board may defect
Panel / LDP / P
Panel / A
CN6
Error(Power of TCON)
_DET
A16
32
40
2 Blink
N SOS
Tr
1 Blink
N SOS
IC8000
A
OLED
53
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