Pf-Board Schematic Diagram - Panasonic TH-50PHW7BX Service Manual

15.4. PF-Board Schematic Diagram

A
B
C
D
E
TH-50PHD7BK/BS/EK/ES/UY, TH-50PHW7BX/EX
PF-Board Schematic Diagram
1
PF-BOARD TXNPF10VDS
!
!
D910
B0EBNT000002
C910
450V
100u
7
R923
C916
100k
0.01u
TP922
TO
AC INLET
!
!
CF901
PF1
F900
ERZV10V621P2
K5D802BNA003
LIVE
1
!
3
F901
NEUTRAL K5D802BNA003
4
R901
!
1M
!
S901
J0LT00000009
!
S902
J0LT00000009
ZA901
!
K4ZZ01000121
CF902
ERZV10V621P2
2
R912
100k
R913
100k
IC910
C5HABZZ00121
4
Vcc
DRIVE REG
+
REG LATCH
-
DRV
R
Q
S
OVP
TSD
REG
Current
Mirror
+
-
OLP
OSC OCP
+
-
+
RESET TFC
BTC
-
Current
BD
Mirror
BEC
FB/OLP
6
R924
22k
D915
R925
C918
1k B0BA01000046
C917 2200p
50V
10u
R904
3.3
* *
HOT LIVE CIRCUIT
!
!
LF901
C901
C904
G0B602K00001
!
1u
0.47u
LF902
R902
!
!
G0BYYYL00004
1M
!
!
C902
C903
470p
470p
3
TP921
R915
100k
TP923
D912
C912
R927
B0HCMM000001
50V
68k
10u
C914
220p
2kV
D
1
*
L912
EXCELSA24T
3
*
S/GND
R919
R918
C915 1
0.82
470p
5
1/2W
OCP/BD
#
D918
R920
B0BA01000046
330 D913
B0HCMM000001
D914
R922
B0HCMM000001
1k
#
C913
220p
D916
B0BA01000046
!
F902
K5D312BL0008
L.F
!
LF904
R903
3.3
G0B353G00001
* *
JS907
JS906
!
C907
1u
JS908
JS909
!
!
C908
C909
220p
220p
4
62
H
C911
630V
0.022
R914
10
D911
B0EAKT000018
R921
15
#
T
P
(P