Panasonic TH-42PW6BX Service Manual page 100

14.6. P-Board (1 of 2) Schematic Diagram
!
A
B
C
D
E
F
TH-42PW6/TH-42PWD6
P-Board(1of2)Schematic Diagram
1
P-BOARD TNPA2841 (1/2)
2
380V
!
!
C451
C453
4700p 4700p
R451 R454
270k 33k
1/2W 3W
!
C455
200V 200V
630V
D451
1u
B0FBBR000019
R452 R455
220k 33k
1/2W 3W
S
C452
4700p
R453
2.7k
NEUTRAL
3 4
L451
G4D4A0000048
MT132E
11
1
12 400Vp
2
13 3
P1
14 4
15 5
Q451 Q454
18
B1DEGR000021 B1DEGR000021
8 D
19 R463
22
1/2W
#
G
20 10
S
1/2W
#
R467
22
5W
R462
R456 100
R457
2.7 1W
0.15 1/2W
1/2W
1/2W
5W
R458 R464
R468
10k
0.15 10k
Q452
2SD2177RTA
C459
50V
33u
Q453
2SB14340RA
C462
C461
0.1u
R459 330p
C457
C465
50V
50V
27
0.01u 1u
R465
50V
50V
100k
R461
56k
IDET CT SYNC REF ON/OFF CS VCC
IC451
POWER
C456
35V C0DABZG00001
FACTOR
330u
CONTROL
FA5502P
IFB IIN- VDET OVP VFB VIN- GND
C464
50V
0.1u
M
C460
R460
C458 C463
100p
10k 1%
0.01u R466
820p 50V
270k
50V
50V
HOT
LIVE CIRCUIT
5
58
D462
B0EAKT000012
D
B0HAR
D
C466
2kV
100p
G
S
L452
EXCEL
R469
220
1/2W
#
R504
10k
VC
OUT
D463
B0JCME000025
1%
R470
56k
TO
PF-BOARD
(PF9)
P9
NEUTRAL 1
3
LIVE