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6 4 3 2 1
R499A REVISION RECORD
0
CN3 D402 UVLS LTR ECO NO: APPROVED: DATE:
! C406 VM BAV99 U401
22pF/6.3kV C R408 R499 C492 VREF
1uF/50V/3216 1uF/50V/3216
VSEN OZ9966 B2
1uF/50V/3216
910KF Q411 100nF
1
AC
E
B03B-PASK-1 C404 A 47k
B
C701
C411
C702
KST2907A VREF 1 LX2 LX1 24
2200pF COG C405 C409 R405 C493 R491
C
HDR2 HDR1 2.2uF
DC400V 9.1K F
R496 R494 2 HDR2 HDR1 23
12V3
! CN2 NC 10nF 110K F 100pF
HG1
C401 D401 VM 4.7K F
HG2 ! T701 22pF/6.3kV VS C
4.7K F C
3 BST2 BST1 22 C412 C412A C481
MMSD4148W R490 C491 LDR1
1
MMSD4148W B03B-PASK-1 C494 D491 B Q410 R450 R425 4 LDR1 VREF 21 1uF 1uF RD 47uF/50V
C703
D751 4
AC
3K F 100pF COG R421
D753 R752 C403
A
100pF MMSD4148W E
KST2222A 10K LDR2
R756 C402 BAV99 Voltage F/B VS 200KF 91K F 5 LDR2 VIN 20
Q708 R701 330 1 5
R707 330 Q706 2200pF COG NC R451
10
10 6
200KF
VR401 R408A 6 GNDA ENA 19
10
R480 100K 43K F 7 RPT
R427
ADIM 18
ZD703 ZD701
7
100K R452 10K, F UVLS
FQP3N50C
FQP3N50C
D R710 IM C
R417 DIM 8 CT UVLS 17 D
24V 24V UU2758 100KF
R723 10K AC
A
2.2K F ISEN C421 9 SYNC OVPT 16 R429 C413
10K ZD707 ZD705 R441 47 F R444 47 F R447 NC R420A 470pF COG TIMER 3.3K F 100nF, 50V
D403 10K 10 LCT TIMER 15
24V HS2 24V
R445 R418
HS1 R442 47 F 47 F R448 NC BAV99
1.2K F PDIM 11 PDIM SSTCMP 14 C415 R431A
R443 0 R446 NC R449 NC 12 VSEN_POL ISEN 13 1UF 10K
LG1 C420A VSEN C431A R432A INV_ON/OFF
LG2 VR402 10nF 10nF
IS 100k
MMSD4148W MMSD4148W C 1K
D757 R467 D
R762 D755 T702
AC
A ISEN
330 R759 !
R453 47 F R456 47 F R438 NC 6.2K F
G Q485
330 D404 NC
R711 Q709 R704 Q707 HS1
8
R457 47 F R439 NC R432 R461
10 10 1
R454 47 F BAV99 12V3 R487 D412 S 100KF 75KF
HG1 7
C419
R455 0 R458 NC R440 NC NC NC
6
R493A R493 1nF R460
R492A R492 R433
FQP3N50C
FQP3N50C
4
HDR1 200 200 ADIM
ZD704 5
Current F/B & Adj 200 200 C414 C428 390K F
24V ZD702 LG1