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Troubleshooting for LED Blinking ( 1 time blink ) for A+P type -4
A+P Board Type (
only
LED blinks
1
BL_SOS (LED driver)
Explanation is same as page of "Troubleshooting for LED Blinking ( 1 time blink ) for A+P type -2"
Ex. 55FX800 series
64V
Q7402/04
D7403
C7422
T7302
D7406
C7424
16V
P
( TNPA6704** )
TX-65/55FX74#/75#/78#, TH/TC-65/55FX800)
Detail error
L7801
64V
Q7809
DC/DC
Power
IC
IC7801
Vcc
IC7800
Q7416
Vcc
Q7403/05
Q7417
SRV-16V
Q7414
(*)VLED : The DC level is different by the LCD panel.
P3
108V(*)
SRV-VLED
PA7801
Q7808
Q7807
PA7802
PA7803
PA7804
Q7805
LED
Drive
Q7804
PA7805
Q7803
PA7806
PA7807
Q7802
PA7808
Q7801
BL-ON
13,16-22
PWM1-8
16V
SUB-ON
Board may defect
Panel / P
7,9
LCD Module
14
12
4
2
Backlight
7,9
14
12
4
2
P4
P2
A02
(Low=Normal)
BL_SOS
15
15
14
14
BL-ON
13,16-22
PWM1-8
1 - 4
1 - 4
9
9
SUB-ON
<A+P>
LCD Panel
T-CON
board
A
IC8000
SoC
55
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