LM

5

TDA4950

R5

RT3

1k

Ω

Hfly

from L.T.

Keystone

Adj.

Line Transformer

(L.T.)

Pin 1

Voltage

H. Width

Pin-cushion

adjustment

L1

10mH

R3

RT2

4.7k

Ω

47k

Ω

7

2

1

3

4

8

6

C1

47nF

R4

18k

Ω

V

S

C2

100nF

D1

1N4148

C3

4.7nF

R2

12k

Ω

RT1

100k

Ω

R1 =

V

FRAME

66

µA

PP

V

FRAME

Figure 3 : Application Circuit with Keystone Correction

HFLY

TO LM

GND

D1

C3

C1

R4

R3

L1

C2

RT2

RT1

R2

R1

R5

RT3

V

FRAME

V

S

Figure 4 : P.C. Board and Component Layout of the Circuit of Figure 3 (1:1 scale)

TDA4950

4/5