Panasonic LCD-201603 Technical Manual page 58

Troubleshooting for LED Blinking ( 1 time blink )
Ex. 32D400/410, 32DS500/600 series
P
T7301 D7507/08
Q7501
C7502
D7502
C7512
16V
( TNP4G572** )
(*)VLED : The DC level is different by the LCD panel.
L7801
24/32V(*)
Q7801
Q7502
SRV-16V
Q7510
P3
SRV-VLED
Anode
70V(*)
3
Q7803 Cathode
1
LED
Drive
IC7800
Vcc
P2
(Low=Normal)
11
13
PWM
12
16V BL-ON
1,2,3
8
SUB-ON
<A+P> -1
LCD Module
Back
light
LCD Panel
T-CON
board
A02
(Low=Normal)
BL_SOS
8
12
PWM
IC8000
10
BL-ON
PEAKS
1,3,5
2
SUB-ON
A
58