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VERTICAL

SYNC INPUT

AND POLARITY

CORRECTION

VERTICAL

SYNC

INTEGRATOR

VERTICAL

OSCILLATOR

AND AGC

EW OUTPUT

HORIZONTAL PINCUSHION

HORIZONTAL CORNER

HORIZONTAL TRAPEZIUM

HORIZONTAL SIZE

VERTICAL LINEARITY

VERTICAL LINEARITY

BALANCE

EHT COMPENSATION

HORIZONTAL AND

VERTICAL SIZE

ASYMMETRIC

EW-CORRECTION

OUTPUT

HORIZONTAL

AND VERTICAL

RECEIVER

HUNLOCK

OUTPUT

VERTICAL POSITION

VERTICAL SIZE AND

VERTICAL OVERSCAN

VIDEO CLAMPING

AND

VERTICAL BLANK

SUPPLY

AND

REFERENCE

HORIZONTAL

OSCILLATOR

PLL1 AND

HORIZONTAL

POSITION

PLL2, PARALLELOGRAM,

PIN UNBALANCE AND

SOFT START

COINCIDENCE DETECTOR

FREQUENCY DETECTOR

PROTECTION

AND SOFT START

X-RAY

PROTECTION

HORIZONTAL

OUTPUT

B

+

CONTROL

22

k

Ω

3.3 k

Ω

100 nF

8.2

nF

150

nF

(1%)

10 nF

RHBUF

(2%)

RHREF

(1%)

(1)

B

+ CONTROL

APPLICATION

(2)

(TTL level)

(TTL level)

9.2 to 16 V

(video)

clamping

blanking

14

23

22

21

31

11

100

nF

(5%)

24

VOUT2

12

VOUT1

ASCOR

13

32

FOCUS

BDRV

BSENS

BOP

BIN

8 HDRV

or

20

17

19

18

6

4

3

5

10

7

25

16

15

26

27

28

29

12 nF

30

1

TDA4856

H/C SYNC INPUT

AND POLARITY

CORRECTION

MGS272

2

9

VERTICAL OUTPUT

FOCUS

SDA

SCL

HSYNC

SGND

PGND

CLBL

VSYNC

VCC

EWDRV

VSMOD

VAGC

VCAP

VREF

HSMOD

7 V

1.2 V

EHT compensation

via horizontal size

EHT compensation

via vertical size

HFLB

HPLL2

HCAP

HREF

HBUF

HPLL1

XSEL

XRAY

HUNLOCK

Fig.1 Block diagram and application circuit.

(2) See Figs 22 and 23.