Pf-Board Schematic Diagram - Panasonic TH-42PHW7EX Service Manual

TH-42PHW7EX / TH-42PHD7EK / TH-42PHD7BK / TH-42PHD7UY

15.4. PF-Board Schematic Diagram

A
PF-BOARD TXNPF10VAS
B
D910
B0EBNT000002
C
FROM
AC CORD
PF1
D 1
LIVE
3
4
NEUTRAL
COLD
E
TH-42PHD7BK/EK/UY, TH-42PHW7EX
PF-Board Schematic Diagram
1
TP921
R912
100k
R913 POWER CONTROL
TP923
100k
C912
IC910
R927
50V
68k
10u
C5HABZZ00121
4
Vcc
DRIVE REG
D 1
+ REG LATCH
- DRV
R
Q
S 3
OVP
S/GND
TSD
C915
C910 470p
REG
5
450V
Current
100u
Mirror
+
OCP/BD
-
R920
OLP
OSC OCP 330
+
-
+
RESET TFC
- BTC
7 Current BD
Mirror
BEC
FB/OLP
6
R923 C916
100k 0.01u R924
22k
R925 C918 D915
2200p B0BA01000046
1k
D916
C917
B0BA01000046
50V
10u
TP922
HOT LIVE CIRCUIT
LF901
C901
F900 LF902
CF901 1u G0B123K00002 C904
K5D802BNA003 0.47u G0B123K00002
ERZV10V621P2
S907
3.5
F901
K5D802BNA003
R901 R902
1M 1M
S901
J0LT00000009
S903 S905 S908
S910
C902 C903
3.2 3.2 3.2 3.2
220p 220p
S904 S906 S909 S911
3.2 3.2 3.2 3.2
S902
J0LT00000009
ZA901
K4ZZ01000121
CF902
ERZV10V621P2
2 3
HOT COLD
R915 C911
630V
100k
0.022u
R914
10 C931
T920
1kV
D912 ETS28AZ1K6AD
330p
B0HCMM000001
6 P1 NC 7
D911
C914
B0EAKT000018 5 PT S2 8
2kV L930
220p D930
10u
B0HARM000020
4 P2 NC 9
C930
L912
25V
EXCELSA24T
2200u
S1A 10
2 V1 S1B 11
R918 R919
0.82 1
1 V2 NC 12
R921
15
C920
470p
D913 ECKCNA471KB7
B0HCMM000001
D914
R922
B0HCMM000001 1k
R930
680
C913
C919 R931
220p
0.22u 470
IC920 IC930
B3PAA0000261
C0DBEMB00002
FEED BACK ERROR DET
D932
RL920
MA3X152K0L
K6B1ADA00009
Q930
2SC3311A0A
R904
3.3
F902 R937
K5D312BL0008 68k
R903
3.3
COLD
LF903
G0B353G00001
3 2
4 1
C905
1u
S912 S914
C906 C907
3.2 3.2
220p 220p
S913
S915
3.2
3.2
COLD
4 5
68
TO
J-BOARD
PF10 (J10)
5.0
1
STB+5V
0
2
F.STB ON/OFF
TP930
R936 R939 R940 R941 R942
0 3
6.8k 6.8k 6.8k 6.8k 6.8k
GND
0
4
GND
15.0
5
C932
F.STB+14V
25V
100u 15.0 6
F.STB+14V
TP931
D931
LNJ301MPUJA
R932
24k
R934
22k
C933
1u
R935
47k
R933
10k
D933
B0JCME000025
R938
6.8k
LIVE
4
3
NEUTRAL
1
TO
PF9
P-BOARD
(P9)
TH-42PHD7BK/EK/UY, TH-42PHW7EX
PF-Board Schematic Diagram
6 7 8