Philips Audio, Video, Scart Output, Control, DRAWING TITLE DV29 MAIN SCART OUTPUT

SCART control signals

ENABLE_AV: 0 in when standby mode, 1 when on (3V3 levels)

(RGB_STAT is supposed to be >1V when driving 75R)

16/9: 0 when 4:3 output, 1 when 16:9 output (3V3 levels)

0/6/12: 0V in standby, 6V when output is 16:9, 12V when output is 4:3

+12VD

	SCART_RIGHT
AUDIO
	SCART_LEFT
		C800	C801
		47P	47P
		100V	100V	R800
		0805	0805
	DGND			0R0
				0W125
				0805
	SCART_BLUE
VIDEO	SCART_GREEN
	SCART_RED
	SCART_COMPOSITE
	C802	C803	C804	C805	SCART OUTPUT
	47P	47P	47P	47P
	100V	100V	100V	100V
	0805	0805	0805	0805	SKT800
				SCART_RIGHT	1
	DGND			SCART_LEFT	2
					3
				SCART_AGND	4
					5
				SCART_BLUE	6
					7
				0/6/12	8
					9
				SCART_GREEN	10
					11
					12
					13
				SCART_RED	14
					15
				RGB_STAT	16
					17
				SCART_COMPOSITE	18
					19
					20
					21

+5V_VID

R801

P812

TR800

MMUN2111LT1 SOT-23

CHARM
CW
C813	R803

ENABLE_AV

1K0

0W125

0805

P811

P816

TR801
MMUN2211LT1	R807
SOT-23	4K7
	0W125
	0805

DGND

+12VD						10N		100R
						50V		0W125
	D800				0603		0805
			C811
	BAT54S
	SOT-23
		1N0 100V		0805
			C812

CONTROL

P815	TR803
	BC849B
	SOT-23
R806	P817	R809
6K8		330R
0W125
	R808	0W125
0805
		0805
P814	10K
	0W125
TR802	0805

		DGND
		1N0 100V	0805
P818	R810	0/6/12
	330R	DGND	EMC_GND
	0W125	C806
	0805
		100N
		50V

16/9

P810

MMUN2211LT1

SOT-23

DGND

+5V_VID

TR804
BC849B
SOT-23
	P819	R812
R811		82R

1K0	0W125
	0805
0W125
0805

DGND

0805

DGND

+5V_VID

D801

BAT54S

SOT-23

DGND

RGB_STAT

C807

100N

50V

0805

DGND

DRAWING TITLE DV29 MAIN SCART OUTPUT

￿￿￿￿￿

Filename: L971C8.Sch

Notes:

A & R Cambridge Ltd.

04_E121

PG

09-08-04

Production release

1.0

Pembroke Avenue

ECO No.

INITIALS

DATE

DESCRIPTION OF CHANGE

ISSUE

Waterbeach

Cambridge CB5 9QR

Contact Engineer: Peter Gaggs

Contact Tel: (01223) 203270

Printed:

24-Aug-2004

Sheet 8 of 11

A2

DRAWING NO. L971C8