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550V T1 1-3 19V 0V
F1 AC250V T10AH CN1 AC250V T4AH 1 F2 C1 AC275V 0.22u L J4 L1 NC L2 NC J3 PC2 D10

0V -10V
R32 10 R31 100 1 L L3 CN2 N 2

T1 1-8 27V 0V

R30 SCR1 C6 2200p

2 N

D12 C3 ( ) NC C4 ( ) NC

D13

J2

50V 0.01u R33

D11

C2 ( )

R1

1M Z1

C22

150

100

L101

C108 1kV 1000p J101 NC D101 ) L102 R111

-50V
CN101 1 +24V R102 D104 30V C101 35V 220u 680 15k 2 +24V 9 HTRCTL 50V 0.1u 7.5k J106 D505 R501 (

FG

6
R41 150k R4 150k R3 180k R2 180k

T1

8

5 4

D131 R131 R130 ( ) ( ) ( ) NC NC NC R1011k

R114

Q21 D7

R6 470 R7 560

2kV 47p

D9

G S

D20

50V 0.01u R25

9
D4 6.8k

D501 D506 J104

IC501

270 6 +5V 8 +4V 7 +4V 10 PDWN 5 DG 3 PG 4 PG

R19 10 Q22

5.5V 5.5V

0

VR101 5k

Q1

C10

3

C508 1kV 220p

C8

J109

J103

R24 47k

R21 R27 12k 47k

R9

450V 68u

10 C508
R11 10k

D401

IC401

J102 R511 2.7k

D5 10V

C5

20k

R5

R28

6.8k

D27

16V 330u

C401 16V 330u

R471

R516

22k 820 C402 35V 33u

5.6V

R12 24k

C14 50V 1u

16V 1u

PC1

C405

C501

R472

50V 100p C15 R14 75k C13 50V1000p ) NC

D504 12V

R29

15k

Q23

1.5k

R13

Q101 R112 10k

R514 C505 15k 35V 33u 50V 0.1u R513 2.7k Q501 R517 6.8k C502

L5

R25

18k

(

D23

C16

D22

R413

10k

Q2

D110

C9 50V 4700p

12
R23 1k

IC502

33k

R8

1 2
C7 4700p

J107

13

18V
( J1 NC )

J108

( ) NC C17

T1 1-10 7V 0V 6V 0V

T1 1-9 6V 0V

-15V

-15V

KX-FL403FX LOW VOLTAGE POWER SUPPLY BOARD

680

33k 50V 0.1u

R512

320V

C406 1kV 220p

R515

6.8k

6.8k

11

R103 C105

PC2

D

D17

PC1

C109