UTCPC1031

LINEAR INTEGRATED CIRCUIT

QW-R111-001,A

TV HORIZONTAL DEFLECTION

CIRCUIT

DESCRIPTION

UTC PC1031 is designed for B/W TV and small screen color

TV. It generates deflection signal and drives deflection coil.

FEATURES

*Low external components required

*Wide operating supply voltage(9V-18V)

*Adjustable synchronous input range

*Adjustable blanking voltage

*Large output current(2AP-P)

*Built in adjustable fly-back time

SIP-10H

APPLICATION CIRCUIT

8

4

7

5

6

2

1

10

3

9

Synchrous

signal

R1

R2

C1

C2

R4

2.7k

Ω

C4

1

µF/25V

R3

20k

Ω

VR1

50kB

Field

synchrous

& field

oscillator

Sawtooth

generation

Power

output

Vcc

Field

blanking

Vcc 9-18V

R7

0.5~3

Ω

1W

Deflection

coil

C10

47

µF/10V

C8

2200

µF

47

µF

10V

VR3

2KB

R6 82

Ω

C7

22

µF/10V

C5

10

µF/10V

VR2

20KB

R5

5.6k

Ω

C12

100

µF/25V

Ta

Synchrous

adjust

Ta

C6

22

µF/10V

Ta

Field

linearity

adjust

Field

strength

adjust

C3

10

µF/10V

Fig 1