Panasonic OLED-201806 - Page 55

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