Panasonic TX-50DX802B - Page 27

Block Diagram (2/2)
Line Filter
LF7102
F7101
KEY CONTROL
~
~
+
-
D7100
D7104
D7105
IC7301
14VS
8VW
Resonant
Controller
HOT
COLD
PC7301
Photo coupler
1
VH
4FB
5VS
P2
9
SUB_ON
POWER_ON
10
7
1-4
8
KEY
IC7401
MAIN INPUT
Line Filter
LF7101
L7201
2
4
IC7201
PFC
Control IC
7OUT
8VCC
Q7203
Q7202
3
T7301
PC7303
Photo coupler
PC7302
Photo coupler
64V
16V
SUB_ON
16V
9 PGS
10VCC
4
D7304
10,5
12
7
D7403
D7412
D7416
Q7401
P-BOARD
Line
Filter
Line Filter
LF7103
Line
Filter
Line
Filter
IC7405
DC/DC
2
8
SW2855
SW2854
SW2853
SW2852
SW2851
KEY
SW2857
POWER_ON
P3
6
TO PANEL
8 1 2
Q7403 Q7405
BL_PWM1
15
BL_ON
16
BL_SOS
14
CATHODE1
ANODE1
5VS
3 EN
Q7402
K-BOARD
K10
2
5
4
3
1
7
STBY 3.3V
SUB3.3V
RM2800
VCC
OUT
SN2800
AI
2
4
VCC
OUT
D2802
R
G
REMOTE
AI
G LED
R LED
SUB3.3V
AI
STBY 3.3V
STBY 3.3V
R LED
G LED
REMOTE
13
BL_ECO
BL_PWM2
17
BL_PWM3
19
BL_PWM4
20
IC7800
LED DRIVER
DC/DC
2
STB
12FAIL
20DIMOUT2
BL_SOS
BL_ON
BL_PWM3
11PWM2
19ISENSE2
Q7802 Q7803
BL_ECO
BL_PWM4
10PWM1
CATHODE2
6
DIMOUT1
7ISENSE1
Q7804
4GATE1
3CS1
ANODE2
Q7801
22GATE2
23CS2
L7814
L7813
10 12
3 4
CATHODE3
ANODE3
IC7900
LED DRIVER
DC/DC
2
STB
12FAIL
20DIMOUT2
BL_PWM1
11PWM2
19ISENSE2
Q7901 Q7902
BL_PWM2
10PWM1
CATHODE4
6
DIMOUT1
7ISENSE1
Q7903
4GATE1
3CS1
ANODE4
Q7900
22GATE2
23CS2
L7911
L7910
64V
64V
16V
1VCC
16V
1VCC
64V
64V
64V
P1
1
2
TO A02A
TO A10
9ADIM
9ADIM
27