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

TH-50PHW7BX / TH-50PHW7EX / TH-50PHD7EK / TH-50PHD7ES / TH-50PHD7BK / TH-50PHD7BS / TH-50PHD7UY

15.4. PF-Board Schematic Diagram

A
B
B0EBNT000002
C
TO
AC INLET
D
NEUTRAL
E
TH-50PHD7BK/BS/EK/ES/UY, TH-50PHW7BX/EX
PF-Board Schematic Diagram
1
PF-BOARD TXNPF10VDS
!
R912
100k
R913
TP923
100k
IC910
C5HABZZ00121
4
Vcc
DRIVE REG
+
REG LATCH
-
DRV
R
Q
S
OVP
S/GND
!
TSD
D910
C910 REG
450V
Current
100u
Mirror
+ OCP/BD
-
OLP
OSC OCP
+
-
+
RESET TFC
- BTC
7 Current BD
Mirror
BEC
FB/OLP
6
R923
C916
100k
0.01u R924
22k D915
R925 C918
1k B0BA01000046
C917 2200p
50V D916
10u
B0BA01000046
TP922
R904
3.3
* *
HOT LIVE CIRCUIT
!
!
!
!
LF901
CF901 C901
PF1 C904
F900 G0B602K00001
!
ERZV10V621P2 1u 0.47u
K5D802BNA003
LIVE
1
!
3
F901
K5D802BNA003
4
R901 R902 LF902
!
! !
G0BYYYL00004
1M 1M
!
S901
!
!
J0LT00000009
C902
C903
470p
470p
!
S902
J0LT00000009
ZA901
!
K4ZZ01000121
CF902
ERZV10V621P2
2 3
HOT COLD
TP921
C911
R915
630V
100k
0.022u
R914
10 ! T920 C931
1kV
D912 ETS28AZ1K6AD
330p
C912
R927 B0HCMM000001
*
68k 50V
10u 6 P1 NC 7
*
C914
D911 * *
220p 5 PT S2 8
B0EAKT000018
D930
2kV
*
D
1 B0HARM000020
* 4 P2 NC 9
C930
L912
25V
EXCELSA24T
2200u
S1A 10
3
*
2 V1 S1B 11
R921
R919
R918
C915 1 15
0.82
470p
# 1 V2 NC 12
5
1/2W
C920
# !
D918
R920 470p
B0BA01000046
330 D913
B0HCMM000001
D914
R922
B0HCMM000001
1k
# R930
680
C913
R931
220p C919
0.22u 470
IC920
!
B3PAA0000261
!
! RL920
F902
K6B1ADA00009
K5D312BL0008
L.F
D932
!
R903 LF904 MA3X152K0L
3.3
G0B353G00001
* *
Q930
2SC3311A0A
R937
47k
TO
P-BOARD
(P9)
JS907
JS906
LIVE
4
!
3
C907
1u
JS908 NEUTRAL
1
JS909
PF9
!
!
C908
C909
220p
220p
4 5
62
TO
J-BOARD
(J10)
PF10
1
STB+5V
2
TP930 F.STB ON/OFF
R936 R939 R940 R941 R942
6.8k 6.8k 3
6.8k 6.8k 6.8k GND
L930 4
GND
10u
5
C932
F.STB+14V
25V
100u 6
F.STB+14V
TP931
D931
LNJ301MPUJA
R932
24k
IC930
C0DBEMB00002
R934
22k
C933
1u
R935
47k
R933
10k
D933
B0JCME000025
R938
3.3k
COLD
TH-50PHD7BK/BS/EK/ES/UY, TH-50PHW7BX/EX
PF-Board Schematic Diagram
6 7 8