Power Supply Distribution - Panasonic TH-32A400G Technical Manual

Power Supply Distribution (1/2)

The power on sequence is describe by the number of the symbol. (
D7102
Rectifier
CF7101
Start
DRV
Vcc
IC7301
D7303
R7342
8
HV
-44
VCC
F7101
(TNP4G573**)
Power Supply Part
IC7301 automatically starts working after AC plug in. (always working from
IC7800 starts working after input Vcc and BL-ON/Panel-PWM signal.
T7301
1st
Q7301
5
D7317
C7513
6
VCC
feedback
FB 2
PC7301
D7507
L7806/07
C7502
2nd
38V
14th
D7502
2nd
Q7502
C7512
16V
1-3
5-8
Q7510
IC7501
-
15th
1st
OFF/STB=38V
D7800
ON= 71V
C7817
VLED
Anode
Cathode
Q7801
10
9
L
O
G
4
I
LED
C
Vcc SUB3.3V
Drive
8
IC7800
14
P16.3V
SUB-ON
L7502
10
STB5.3V
IC7503
9
EN
to
1st 4th
)
LCD Panel
(2 nd )
14th
Module
3 15th
P2
(LED
1
Backlight)
Q7803
Panel-PWM
13th
BL-ON
(Hi=enable)
BL-SOS
(1 blink)
7th
6th
3rd
Panel-PWM
Bright
Dark
)
Lighting Period
OFF
0V
4