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DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L971C9.Sch
DV29 COMMS & VIDEO SNAP-OFF
Contact Engineer:
L971C9
24-Aug-2004
INITIALS
Printed:
9 11Sheet of
Notes:
Contact Tel: (01223) 203270Peter Gaggs
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9QR
Waterbeach
A2
C937
100P
100V
0805
EMC_GNDA
L906
120R@100MHz
L907
120R@100MHz
REMOTE_BUS
REMOTE_BUS_GND
C938
100P
100V
0805
REMOTE BUS INPUT
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
STATIC PROTECTED
IC900
MAX202ECSE
SO-16
1
2
3
4
5
6
7
8
9
CON900
MCMURDO
SD
C900
100N
50V
0805
C901
100N
50V
0805
C902
100N
50V
0805
C911
100UF
25V
YK
+5VDA
DGNDA
DGNDA
TX_TTL
RX_TTL
C903
100N 50V
0805
C904
100N 50V
0805
DGNDA
+5VDA
L902
120R@100MHz
L903
120R@100MHz
L905
120R@100MHz
RX
TX
232_GND
EMC_GNDA
EMC_GNDA
C912
47P
100V
0805
C913
47P
100V
0805
C924
1N0
100V
0805
DGNDA
RS232
SCRN
SKT900
KUNMING
GOLD
REMOTE IN
UN-MODULATED RC5
EMC_GNDA
C925
1N0
100V
0805
C914
47P
100V
0805
L900
120R@100MHz
L901
120R@100MHz
REM_IN1
REM_GND1
R904
47R
0W125
0805
R900
1K0 0W125
0805
DZ900
BZX84C
5V6
SOT-23
TR900
MMUN2211LT1
SOT-23
R901
4K7
0W125
0805
NF
+5VDA
DGNDA
DGNDA
DGNDA
1
2 3
4
ITEM900
1
2 3
4
ITEM901
M3 R/A PCB FIXING BRACKETS
+5VDA
C923
1N0
100V
0805
L904
120R@100MHz STATUS_OUT
TR902
MMUN2211LT1
SOT-23
R903
4K7
0W125
0805
R905
47R
0W125
0805
D900
BAT54S
SOT-23
+5VDA
+5VDA
DGNDA
DGNDA
TR901
MMUN2211LT1
SOT-23
R902
4K7
0W125
0805
+5VDA
DGNDA
BUFFER
C921
1N0
100V 0805
C922
1N0
100V 0805
DGNDA
VIDEO OUTPUTS
GNDY
SCRN1
GNDC
Y C
SCRN2
SKT904
HOSIDEN
TCS
COMPONENT - Y
COMPONENT - Cr
COMPOSITE
COMPONENT - Cb
S-VIDEO
R906
0R0 0805
R907
0R0 0805
C939
470UF 25V
YK
C905
100N 50V
0805
VID_GND
EMC_GNDA
C928
1N0
100V
0805
R908
0R0 0805
R909
0R0 0805
C940
470UF 25V
YK
C906
100N 50V
0805
VID_GND
EMC_GNDA
C929
1N0
100V
0805
R910
0R0 0805
R911
0R0 0805
C941
470UF 25V
YK
C907
100N 50V
0805
VID_GND
EMC_GNDA
C930
1N0
100V
0805
R912
0R0 0805
R916
0R0 0805
C942
470UF 25V
YK
C909
100N 50V
0805
VID_GND
EMC_GNDA
C935
1N0
100V
0805
SCRN
SKT902
KUNMING
GOLD
EMC_GNDA
SCRN
SKT903
KUNMING
GOLD
EMC_GNDA
R913
0R0 0805
R914
0R0 0805
C943
470UF 25V
YK
C908
100N 50V
0805
VID_GND
EMC_GNDA
C931
1N0
100V
0805
R915
0R0 0805
R917
0R0 0805
C944
470UF 25V
YK
C910
100N 50V
0805
VID_GND
EMC_GNDA
C936
1N0
100V
0805
C932
1N0
100V
0805
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CON902
MOLEX
52806
VID_GND
Spare
IRRCVA
+5VDA
DGNDA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CON901
MOLEX
52806
DGND
C933
1N0
100V
0805
C934
1N0
100V
0805
EMC_GND
V
V_OUT
U_OUT
U
Y_OUT
Y
COMPOSITE_OUT
COMPOSITE
SVID_Y_OUT
SVID_C_OUT
SVID_Y
SVID_C
Spare
REM_BUS_P
REM_BUS_N
IRRCV
ENABLE_AV
SERIAL_RX
+5VD
SERIAL_TX
C949
10P
100V
0805
C950
10P
100V
0805
C951
10P
100V
0805
C952
10P
100V
0805
C953
10P
100V
0805
C954
10P
100V
0805
DGND
C948
10P
100V 0805
C956
10P
100V
0805
C947
10P
100V
0805
C945
10P
100V
0805
C946
10P
100V
0805
C955
10P
100V 0805
C927
1N0
100V
0805
C920
47P
100V
0805
EMC_GND
C926
1N0
100V
0805
C919
47P
100V
0805
C918
47P
100V
0805
C917
47P
100V
0805
C916
47P
100V
0805
C915
47P
100V
0805
ON SNAP-OFF PCB
EMC_GNDA
R918
100R 0805
R919
100R
0805
C957
1N0
100V
0805
VID_GND
1
FIX901
Dia 3.5mm
1
FIX900
Dia 3.5mm
EMC_GNDA
P900
P901
P902
P904
P903
P917
P918
P915
P916
P907
P905
P908
P909
P911
P912
P913
P914
P910
P906
P922
P921
P920
P919
P923
P925
P924
P928
P926
P927
P929
P930
1
2 3
4
ITEM902
NF
NC
SKT901
KUNMING
HTJ
COMPOSITE_OUT_GND
Y_OUT_GND
U_OUT_GND
V_OUT_GND
SVID_Y_OUT_GND
SVID_C_OUT_GND
U_A
SVID_C_A
COMPOSITE_A
V_A
Y_A
SVID_Y_A
ENABLE_AV_A
MUTE_RGB
C958
47P
100V
0805
TR903
BC849B
SOT-23
TR904
FMMT497
SOT-23
TR905
FMMT497
SOT-23
TR906
FMMT497
SOT-23
R920
1K0
0W125
0805
R921
1K0
0W125
0805
R922
1K0
0W125
0805
R923
4K7
0W125
0805
P933
P936
P935
P934
+5VDA
VID_GND
VID_GND
VID_GND
VID_GND
RGB MUTE CIRCUIT - NOT FITTED
RGB_MUTE_A
R924
10K
0805
DGNDA
THESE PARTS NOT FITTED FOR DV75
PG 1.004_E121 09-08-04 Production release