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PF-BOARD TXNPF1UHSE
A
TP904
C923 C972
D920 R922 T920
400V 1kV
B0EBNT000002 220k
0.01u ETS29AK7E6AD 330p
*
*
R920
100k
18 P2 TP977
*
D971
*
*
*
L973
L972
*
B0HAPM000012
R923
10 17 NC S3 2
0
GT GT
14V_0.9A 10u
TO
+
R921 C973
*-
25V
100k
16 PT S4 3 1000u
PA-BOARD
*
D921
B0EAKT000018
C970
PF10 (PA10)
15 1kV 330p TP978 20.5 1
L920 NC L970 NR_20.5V
L971
585Vp
J0JKB0000038
14 P1 S1A 5
EXCELSA24T 20.5V_1.4A 10u 20.5
2
* * * *
NR_20.5V
*
-140Vp
D970 0
TP901 3
13 NC S1B 6 FMLG12SLF118 GND
0 4
+
C971 GND
35V JS80
C921 12 NC S2A 7
+
C922 D922 14.0
1200u 5
50V
B
50V B0HCMM000001 NR_14V
0.1u 33u
RL901 0 6
11 V2 S2B 8
K6B1ADA00023 GND
IC920 POWER CONTROL
R924
3.3
TP979
R970
5.0
7
*
10 V1 STAND-BY 5V
MA3X152K0L
680
4
C5HABZZ00121 L922 0
8
C990 GND
D990
EXCELDR35V
50V
-140Vp
C924 2.0
*
10u Vcc 9
2kV PF_AC_ON/OFF
*
C920 DRIVE REG
D 1 470p
*
**
450V + *
REG LATCH
150u - DRV C914
L921
**
R
EXCELSA24T 250V
Q 220p
Q990 OVP
S
3
2SD13280TL *
R990 S/GND
3.3k TSD
C926
50V
REG D925
470p
R992 Current B0HCMM000001
47k Mirror 5
+ OCP/BD
-
-0.65V = = =
OLP R932 R931 R939 R927
OSC +
OCP
0.82 0.68 0.82
560
-
*
*
*
RTFC
+
RESET TFC - BTC #
7 Current BD R934 R933
Mirror R928
BEC 150 180
470
FB/OLP 73uA
6
R940
100
C R936 R935
D926
B0HCMM000001
C927
C930 22k 1k
R938 C928 220p
50V D929
100k 50V 50V
0.01u B0BA01000046
2200p
+
C929 = C931
50V 50V
10u
150p
FEED BACK
COLD
1
4
IC921 R971
470 C974
B3PAA0000261 R972
50V
3 100 3300p
2
F/S_HOT:920-969 R973 R974
4 1
HOT 2.2k 16.9k
CATHODE 3
4 1
REFERENCE
* *