Toshiba TLP510E, TLP511E, TLP510U, TLP511U manual Terminal function of TDA4780

Table 7-3-4 Terminal function of TDA4780

Pin	Name	Function	Pin	Name	Function
No.			No.
1	FSW2	High speed switch 2 input	15	BCL	Equal beam current limit input
2	R2	Red input 2	16	CPDL	Memory capacitor for peak limit
3	G2	Green input 2	17	CL	Memory capacitor for leakage current
					compensation
4	B2	Blue input 2	18	CPOST	Memory capacitor for peak dark
5	VP	Power supply voltage	19	CI	Cut-off measurement input
6	–(B–Y)	Color difference input – (B–Y)	20	BO	Blue output
7	–(R–Y)	Color difference input – (R–Y)	21	CG	Blue cut-off memory capacitor
8	Y	Luminance input	22	GO	Green output
9	GND	GND	23	CG	Green cut-off memory capacitor
10	R1	Red input 1	24	RO	Red output
11	G1	Green input 1	25	CR	Red cut-off memory capacitor
12	B1	Blue input 1	26	YHUE	Y output/hue adjustment output
13	FSW1	High speed switch 1 input	27	SDA	I2C bus serial data input/check output
14	SC	Sandcastle pulse input	28	SCL	I2C bus serial clock input

FSW1

FSW2

VP-BV

Average

Peak drive

Peak

dark

YHUE

limiting

strage

beam

storage

Y-output

200

current

1 μF

hue

adjust

limiting

1 μF

output

input

13

1

18

5

16

26

9

15

AVERAGE

PEAK DRIVE

LIMITER

BEAM

R 1

C

ABSOLUTE LEVEL

10 nF

CURRENT

10

G1

L

YEXH

LIMITING

10 nF 11

A

SUPPLY

RELC

TDA4780

B 1

10 nF

12

M

P

INPUT

PEAK DRIVE

MINIMUM

HUE

BAND GAP

DETECTOR

LIMITER

CUT-OFF RELATED

ADJUST

REFERENCE

C

R 2

10 nF

2

L

G2

UGAP

TCPL

RELC

10 nF 3

A

VOLTAGE

VOLTAGE

B 2

10 nF

4

M

COMPARATOR

COMPARATOR

WHITE

R

OUTPUT

24

POINT

BUFFER

P

ADJUST

R O

SELECTOR

Y

Y

Y gamma

Y-MATRIX

BL

BL

ADAPTIVE

GAMMA

C

Y

BLACK

BLANK MP

-(B-Y)

10 nF

R

R

R

R

R

6

PAL/SECAM

COLOR

L

SATURATION

CONTRAST

BRIGHTNESS

WHITE

-(B-Y)

10 nF

ADBL

G

G

DIFFERENCE

G

G

G

G

OUTPUT

7

A

NTSC

ADJUST

POINT

22

BUFFER

Y

47 nF 8

0.45V

Y

B

B

R-Y

ADJUST

B

ADJUST

B

B

ADJUST

GO

M

MATRIX

MATRIX

G-Y

P

1.43V

B-Y

BLANK MP

NMEN

MOD2

WHITE

BLUE

B

B

OUTPUT

POINT

20

STRETCH

BUFFER

ADJUST

B O

DELOF

FSON1 FSDI51

FSON2

FSDI52

YHI

SC5

FSBL

HDTV

YEXH BCOF

RELC

TCPL

BLST

MP

BLANK

8 DATA

6 DATA

REGISTERS

CONTROL

REGISTERS

DIGITAL ANALOG CONVERTERS

BCOF

UGAP

BCOF

F SBL

NMEN

HDTV

BLANK

MP

CUT-OFF

OUTPUT

Leakage and

UGAP

CONTROL

CLAMP

V

cut-off

BREN

I2 C-BUS

input

RECEIVER

current

CL

19

TDA4780

SC5

SAND CASTLE

HV

TIMING

1ST AND 2ND

GENERATOR

SWITCH-ON

LEAKAGE

DETECTOR

(H)

DELAY

a2 ki

DELOF

CURRENT

COMPARATOR

UGAP

28

27

14

17

21

23

25

220 nF

220 nF

220 nF

330 nF

SCL	SDA	SC	Sand castle input
				Cut-off storage
			Leakage storagee

I2 C-bus

Fig. 7-3-11 Block diagram of TDA4780

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