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1

NOTE!
Safety components marked with must be replaced with original or approved components only. All printed boards and the back cover are also safety components.
R102 R103

DEMA
Q102
2 3 4 5

4M7

4M7

2-5

12V

HEATER_5V

C107 2n2 400VAC

4

5

6

+T

+T

RE101 QH0074 PTC102 18R
C108 3n3 1kV

D102 LL4148

3

2

1

1

2

4

3

C101 470n 275V

C102 2n2 400VAC

M101 FJ0801

C104 n.c.

M102 FJ1836 C106 n.c.

PTC101 18R

D101 GBU4K

2-5

2-5

Q101
4 3

1

2

R101 1M0

-T NTC101 5R

C109 3n3 1kV

C111 3n3 1kV

C113 C112 330u 385V 2n2 400VAC C114 1u0 50V

D103 LL4148
2,5

DEMA
Q104
10
4

F101 T6.3A

C103 2n2 400VAC

C105 n.c.

1

2

3

4

5

6

7

8

TO VIDEO
R151 R152
3,5

9

3-5
3 2
1

4,5

C110 3n3 1kV

T101 BCR112W

5

L106 L103 15u C140 2200u 25V IC104 7812 IN OUT C141 REF 100u 25V 15u
2-5

MAIN POWER

12V

500V D112 BYV98-200

T114 BCR141W
C150 100n

1

UC7147

R150 4R7

R171 56R2

C163 470p

15V

330k

330k

5

80V 185V
Q105

R153 330k

R154 330k
2,4,5

1

UC6879

R117 0R22

R112 0R22 F102 T3.15A M103 FM3909 14
C118 22n 630V

C142 100u 25V

C166 100n

C119 2n2 500V

T105 BC807 R172 56R2 C164 470p

1 2 3

IC108 TOP223P S(HVRTN) S

D116 P6KE200A 8 7 6 5 D118 BAV103 R170 1k00 R155 4R7
3

C162 10u 400V M104 FM2586
1 7

D127 BYV27-200 80SQ045 D119 R175 10k0 C167 680p
L105 15u

12V

G1

5V

USB_5V

S
S

S(HVRTN)
S(HVRTN)

D117 BYV26C

2-5

5V

5,5V
500V L104 15u
3-5

4 R160 10R
C157 47u 16V

CONTROLDRAIN

2

6
8

C154 2200u 16V

C137 100u 25V

D104 LL4148 C117 100n R106 46k4

R107 464k

R108 464k

15
7

D115 R142 0R22 BYV27-200
R173 56R2

D121 n.c. D106 n.c.

16

C165 470p

C148 2200u 25V

-15V

C159 100u 25V

C153 10u 50V

4

5

15 6
13

T102 BC857B

C160 10n

D124 LL4148

R111 15R T103 STU13NB60

R138 0R22

500V D113 BYV98-200

9V
C120 2200u 16V

R109 3R32

R168 3R9
5

HEATER_5V

IC106 PS2501-1L 4 1 3 2

+5V POWER

N109

M1 FM2586

GND
6 7 5 8

2

N104 1 PGND
C138 100n
R161 470R R159 100R T112 BC857B

N49 GND N53

C161 10n C123 1u0 50V

R164 10k

R165 2k7

R113 2k2

R134 3R32

4

R169 274R
2,5

N99
R162 1k00
2,5

3

12 D122 RHRD460S

LED
D125

5V
IC101 UC3843A 1 2 3 4 COMP VFB ISENSE RT/CT VREF VCC OUTPUT GND 8 7 6 5

R120 1k0

11

R104 1k0
C116 22n

RESET

1N4002 R163 22k

R156 10k0

C124 4n7 R110 3k65 R105 10k R116 10k

5

12V
C115 10n

R121 0R47

R122 0R47 8 10 C131 47p 1kV R129 470R C134 100u 100V L102 15u
5

R114 1k0 D111 1N5818

R126 220R

C126 220p

D126 RHRD460S

D109 RHRD460S
C132 47u 250V

2,4,5

C127 3n3 63V

D123 1N4148

DZ105 18V

D107 LL4148

L101 15u
3-5

185V

R147 1k0

C129 100n

R166 5k6 R135 154k

C133 47u 250V

T111 BC369

R146 1k0
2,5

2

C128 10u 50V

R125 100R 9

80V
USB_5V

3 1

R157 10k0 IC107 TL431

C135 n.c.

PREHEAT
T108 BC847B
R145

R127 11k0
IC103 PS2501-1L 4 1 C149 100n

UVLO
2,4,5

R148 22k C146 1n0

15V

3,5

10k
DZ101 9V1

3

2 R141 2k7 R144 1k0

R132 560R
2-5

5V

3 1

UNDER VOLTAGE SENSING
R140 2k26

T107 BCR141W R167 1k0

IC110 TL431

T104 BCR191

T106 BCR141W

2,5

SUSPEND

2

NOTE: POWER IS SWITCHED OFF AFTER 3 SECONDS

T113 BCR141W

SMD ELECTROLYTIC POLYCARBONATE POLYESTHER
POLYPROPYLENE

SMD SMD 1W 0.25W
0.5W

2W 3W etc. 0.25W NF
0.5W NF

PRIMARY_Vcc NOTE: IF VERTICAL FLYBACK IS MISSING FROM MAIN PROCESSOR (PIN 14) AFTER START, THEN THE MAIN POWER IS SWITCHED OFF.

POWER SUPPLY
ECN 446F006

CERAMIC

1W

SMA241H
446F SB5218 02.00

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