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ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No.
DESCRIPTION OF CHANGE
L960C8_1.2.Sch
DV78 MAIN SCART OUTPUT
Contact Engineer:
L960C8
2 Dec 2003
INITIALS
Printed:
8
10
Sheet
of
Notes:
Contact Tel:
(01223) 203270
Peter Gaggs
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9QR
Waterbeach
A2
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
SKT800
CHARM
CW
SCART OUTPUT
SCART_LEFT
SCART_RIGHT
C800
47P
100V
0805
C801
47P
100V
0805
R800
0R0
0W125
0805
DGND
SCART_LEFT
SCART RIGHT
DGND
R802
0R0
0W125
0805
NF
EMC_GND
C811
1N0 100V 0805
C812
1N0 100V 0805
AUDIO
SCART_BLUE
SCART_GREEN
SCART_RED
SCART_COMPOSITE
VIDEO
SCART_AGND
SCART_BLUE
SCART_GREEN
SCART_RED
SCART_COMPOSITE
C802
47P
100V
0805
C803
47P
100V
0805
C804
47P
100V
0805
C805
47P
100V
0805
DGND
ENABLE_AV
16/9
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
CONTROL
TR801
MMUN2211LT1
SOT-23
DGND
TR803
BC849B
SOT-23
R807
4K7
0W125
0805
R806
6K8
0W125
0805
TR802
MMUN2211LT1
SOT-23
DGND
R808
10K
0W125
0805
0/6/12
DGND
D800
BAT54S
SOT-23
DGND
TR804
BC849B
SOT-23
+5V VID
DGND
R812
75R
0W125
0805
D801
BAT54S
SOT-23
DGND
+5V_VID
RGB_STAT
DGND
R809
330R
0W125
0805
R810
330R
0W125
0805
R811
1K0
0W125
0805
RGB_STAT
0/6/12
C813
10N
100V
0805
R801
1K0
0W125
0805
+5V_VID
P811
P810
TR800
MMUN2111LT1
SOT-23
+12VD
+12VD
C806
10N
100V
0805
C807
10N
100V
0805
P812
P816
P815
P814
P817
P818
P819
03_E200
PG
03-07-03
Production Release
1.0
03_E214
PG
16-07-03
Change damping pads from Sorbothane to rubber
1.1
03_E322
PG
02-12-03
Component value changes to digital output
1 2
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