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15.4. PF-Board Schematic Diagram
PF-BOARD TXNPF1UKSE
A
B
C990
50V
10u
Q990
2SD13280TL
R990
3.3k
R992
47k
C
D
E
TH-37PA30E/TH-42PA30E
PF-Board
Schematic Diagram
1
RL901
K6B1ADA00023
COLD
R993
0
TO
R994
0
P-BOARD
(P9)
JS70
NEUTRAL
PF2
JS73
1
C910
250V
220p
C903
250V
3
1u
4
C911
LIVE
250V
220p
ZA901
K4ZZ01000121
2
D920
B0EBNT000002
C920
450V
150u
R938
100k
1
4
4
1
*
*
LF911
G0B353G00001
3
2
*
*
3
2
T3.15AL-250V
R904
F902
3.3
K5D312BK0012
10
3
LF915
G0B123K00001
8
9
C917
470p
TP904
R920
100k
R921
100k
IC920
POWER CONTROL
C5HABZZ00121
4
Vcc
DRIVE REG
+
REG
LATCH
-
R
Q
S
OVP
TSD
REG
Current
Mirror
+
-
OLP
OSC
+
RESET
TFC
BTC
-
7
Current
BD
Mirror
BEC
73uA
FB/OLP
6
R936
R935
C930
22k
1k
C928
50V
50V
0.01u
2200p
C929
=
C931
50V
50V
10u
150p
F/S_HOT:920-969
3
4
C915
250V
LF909
0.22u
G0B123K00001
1
2
C916
470p
3
TP901
C921
C922
50V
50V
33u
0.1u
C92
2kV
D
470
1
*
DRV
L9
EXC
3
*
S/GND
C926
50V
470p
5
OCP/BD
-0.65V
=
R932
OCP
+
0.82
-
#
R934
R933
150
180
R940
100
D926
B0HCMM000001
D929
B0BA01000046
HOT
LIVE CIRCUIT
LF:900-919
4
72
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