PIN CONNECTIONS

Pin

Name

Function

1

H/HVIN

TTL compatible Horizontal sync Input (separate or composite)

2

VSYNCIN

TTL compatible Vertical sync Input (for separated H&V)

3

HLOCKOUT

First PLL Lock/Unlock Output (0V unlocked - 5V locked)

4

PLL2C

Second PLL Loop Filter

5

C0

Horizontal Oscillator Capacitor

6

R0

Horizontal Oscillator Resistor

7

PLL1F

First PLL Loop Filter

8

HPOSITION

Horizontal Position Filter (capacitor to be connected to HGND)

9

HMOIRE

Horizontal Moiré Output (to be connected to PLL2C through a resistor divider)

10

FOCUSOUT

Vertical Dynamic Focus Output

11

HGND

Horizontal Section Ground

12

HFLY

Horizontal Flyback Input (positive polarity)

13

HREF

Horizontal Section Reference Voltage (to be filtered)

14

COMP

B+ Error Amplifier Output for frequency compensation and gain setting

15

REGIN

Regulation Input of B+ control loop

16

Sensing of external B+ switching transistor current

17

B+GND

Ground (related to B+ reference adjustment)

18

BREATH

DC Breathing Input Control (compensation of vertical amplitude against EHV variation)

19

VGND

Vertical Section Ground

20

VAGCCAP

Memory Capacitor for Automatic Gain Control Loop in Vertical Ramp Generator

21

Vertical Section Reference Voltage (to be filtered)

22

VCAP

Vertical Sawtooth Generator Capacitor

23

VOUT

Vertical Ramp Output (with frequency independant amplitude and S or C Corrections if any).

It is mixed with vertical position voltage and vertical moiré.

24

EWOUT

Pin Cushion - E/W Correction Parabola Output

26

HOUT

Horizontal Drive Output (internal transistor, open collector)

25

XRAY

X-RAY protection input (with internal latch function)

27

GND

28

BOUT

B+ PWM Regulator Output

29

Supply Voltage (12V typ)

30

SCL

I

31

SDA

I

32

5V

Supply Voltage (5V typ.)

TDA9109/S

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