Panasonic TX-48AS640B - Block Diagram (2;2)

32
10.2. Block Diagram (2/2)
Line
Filter
LF7104
F7101
2 1
4
CF7104
~
~
+
-
D7110
D7105
D7104
IC7301
14VS
9VW
PWM
Controller
HOT
COLD
PC7301
Photo coupler
1
VH
4FB
5VS
P2
2
3
TO A02A
14
11
13
BL_SOS
BL_ON
9
TV_SUB_ON
POWER_ON
12
7
1
10
KEY1
IC7401
JK7101
MAIN INPUT
Line
Filter
LF7105
2
3
1
4
T7201
1,2
4,5
IC7201
PFC
Control IC
7OUT
8VCC
Q7201
Q7202
4
3
14
T7302
7
6
PC7303
Photo coupler
PC7302
Photo coupler
Q7403
IC7503
Reg
2 Vin
3 Sw
16V
16V
16V
16V
D7305
6REF
10VCC
D7304
12
9
D7412
5VS
Q7401
P-BOARD
6 EN
TV_SUB_ON
15
17
18
BL_PWM1
BL_PWM2
BL_PWM3
IC7800
LED DRIVER
DC/DC
8
STB
39FAIL
2N
4CS
29CL4
P4
11
1,2,3,
4,5,6,
24V
L7800
43
TO PANEL
K-BOARD
K10
6 5 4 3 1
7
STBY 3.3V
SUB3.3V
RM2800
VCC
OUT
SN2800
AI
2
4
VCC
OUT
D2802
R
G
TO A10
REMOTE
AI
G LED
R LED
SUB3.3V
AI
STBY 3.3V
STBY 3.3V
R LED
G LED
REMOTE
24V
3
Line
Filter
LF7103
2 1
4 3
D7403
D7407
Q7402
Q7404
D7413
BL_PWM4
BL_PWM5
BL_PWM6
19
20
P5
2
3
POWER_ON
KEY1
TO GK4
16V
IC7801
Switching DRIVER
4 N
8 VDD
7 Out
40VCC
BL_SOS
BL_ON
BL_PWM1
BL_PWM2
BL_PWM3
BL_PWM4
BL_PWM5
BL_PWM6
17PWM1
18PWM2
19PWM3
20PWM4
21PWM5
22PWM6
R7808
12BS4
Q7804
28CL5
12
13BS5
Q7805
27CL6
13
14BS6
Q7806
32CL1
8
9BS1
Q7809
31CL2
9
10BS2
Q7802
30CL3
10
11BS3
Q7803
GK-BOARD
GK4
SW2855 SW2854 SW2853 SW2852 SW2851
KEY1
SW2857
3
2
TO P5
POWER_ON
33VREF