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Standby Power-Loss Preventer

Standby Power-Loss Preventer

COM

IC3

7809

3

1

IN

2

OUT

3

2

7

4

6

-

+

IC

TLO71

3

2

5

1

6

-

+

IC1

CA3130

7

4

+

+

+

230V

AC

RL1

T1

BC547

R5

1K

C1

1000μ

25V

R3

100K

D1

1N4148

R1

470Ω

VR2

10K

PRESET

LED1

VR1

10K

L1 = 6V

RELAY

COIL

L1

S1

PUSH-

TO-ON

SWITCH

R2

1K

R4

100Ω

LED2

D2

1N4007

RL1 = 9V

1C/O

RELAY

C2

100μ

25V

C3

1000μ

25V

TV SOCKET

N

P

D4

1N4007

D3

1N4007

N/O

N/C

X1

12-0-12V

500mA

TRANSFORMER

P

N

Standby Power-Loss Preventer

1
0
0
publish time: 2020-09-24
Circuit Everyday

Electronic devices consume some power even in standby mode (that is, in the standby state). At this time, you should use the remote handset to turn off the power, but not the power switch. For example, when a CRT uses a TV or PC monitor, it consumes 80-100 watts of power. In standby mode, it will also draw a few watts of power.

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