Panasonic TH-42PA25U-P Service Manual page 130

14.4. PF and P-Board (1 of 2) Schematic Diagram
!
A
B
C
D
PF-BOARD TXNPF1QCSU
F901
!
K5Y802B00001
!
C901
Not specified DC
1u
F900
!
E K5Y802B00001
N LIVE
PF1
** **
AC LINE CODE
F
TH-42PA20U
PF and P-Board(1of2)Schematic Diagram
1
P-BOARD TNPA2841 (1/2)
LIVE CIRCUIT
T8AH 250V
3
!
!
! !
*LF904
G0B123K00001
R901 R902 CF901
1M 1M
ERZV10V621P2
2
!
T8AH 250V
S914 1.8mm S903 1.8mm
S901
ECKRNB471MB ECKRNB471MB
J0LT00000009
S902 1.8mm S904 1.8mm
ECKRNB471MB ECKRNB471MB
!
CF902
ERZVG7Z361
K2CG3DH00034
2
!
C451
4700p
!
D451
B0FBBR000019
S
C452
4700p
NEUTRAL
JS9
JS10
4 3 4
!
!
C902
Not specified DC
*LF909
0.22u
G0B123K00001
3.5mm
JS11
1 2 1
JS12
S907 1.8mm
S905 1.8mm
S910 1.8mm
ECKRNB471MB ECKRNB471MB
!
*C916
S906 1.8mm S908 1.8mm 1000p
ECKRNB102KB
ECKRNB102KB S911 1.8mm
3
L451
G4D4A0000048
MT132E
11 1
380V
12 2
13 3
P1
!
14 4
C453
4700p
15 5
R451 R454
270k 33k
1/2W 3W
18
C455
200V 200V
630V
8
1u
19
R452 R455 20 10
220k 33k
1/2W 3W
5W
R456
R457
2.7
0.15
1/2W
5W
R458
0.15
C459
50V
33u
R459
C457
27
0.01u
50V
IDET
IC451
C456
C0DABZG00001
35V
330u
IFB
C460
R453 C458
100p
2.7k 820p
50V
50V
TO
P-BOARD
(P9)
3 10
N
!
! !
LF915
C915 C903
0.22u G0B123K00001
1u
Not specified DC Not specified DC
9 8
LIVE
HOT
S912 1.8mm
!
*C917
1000p
COLD
S913 1.8mm
4
D462
B0EAKT000012
400Vp
D457
B0HARR
Q451 Q454
B1DEGR000021 B1DEGR000021
D D
R463
C466
22
1/2W 2kV
#
100p
G G
S
S
#
R467
L452
22
R462 R464
R468 EXCELDR
1/2W
100
10k
10k
1W 1/2W
1/2W
Q452
2SD2177RTA
R469
220
1/2W
#
R504
Q453 10k
2SB14340RA
C462
C461
0.1u
330p
C465
50V
50V
1u
R465
100k 50V
R461
56k
CT SYNC REF ON/OFF CS VCC VC
POWER
FACTOR
CONTROL
FA5502P
IIN- VDET OVP VFB VIN- GND OUT
C464
50V
0.1u D463
M
B0JCME000025
R460
C463
10k 1% 1%
0.01u
R470
50V R466
56k
270k
TO
PF-BOARD
(PF2)
P
NEUTRAL
PF2
!
LIVE
1 JS70
C910 JS73
220p
3
4
C911
220p
!
ZA901
K4ZZ01000121
5
58