Panasonic TH-37PW7BX Service Manual page 37

15.3. PF-Board Block Diagram
PF1
AC INLET
F900
LIVE
1
F901
NEUTRAL
4
AC LINE CODE
TH-37/42PW7 series
TH-37/42PWD7 series
PF-Board Block Diagram
PF
Line Filter/F.STB Board
LF901,LF902
LINE
FILTER
LF903
LINE
FILTER
IC910
STB REG
4
Vcc
DRIVE REG
+
REG LATCH
-
R
Q
S
OVP
TSD
REG
Current
Mirror
+
-
OLP
OSC
+
TFC
RESET
-
Current
7
BD
Mirror
BEC
FB/OLP
6
RL920
F902
F.STB ON/OFF
RELAY
HOT
D910
T920
D
1
DRV
3
S/GND
5
OCP/BD
OVER CURRENT
OCP
DETECT
+
-
BTC
Feed Back
F.STB ON/OFF
Q930
COLD
6 7
5 8
4 9
10
2 11
1 12
IC920
3
IC930
1
ERROR DET
2
PF9
TO P9
LIVE
4
NEUTRAL
1
TO J10
PF10
1 STB+5V
2 F.STB ON/O
5 F.STB+14V
6 F.STB+14V
D931
67