
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
Drawn by
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J \Change Control\ECO AGENDA\01 1139 L875PB MODS cliff\L875 4.0.ddb - Documents\ 875C4 4 0 SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
DSP BOARD - VIDEO DAC
Circuit Diagram
L875C4
PG
5-Sep-2001
INITIALS
Date Printed
4
5
Sheet
of
Notes:
VAA
1
P0
2
P1
3
P2
4
P3
5
P4
6
P5
7
P6
8
P7
9
CSO_HSO
10
VAA
11
GND
12
GND
13
HSYNC
14
FIELD/VSYNC
15
BLANK
16
ALSB
17
GND
18
VAA
19
SCLOCK
20
SDATA
21
RSET2
22
COMP2
23
DACF
24
DACE
25
GND
26
VAA
27
DACD
28
DACC
29
VAA
30
GND
31
VAA
32
DACB
33
VAA
34
DACA
35
COMP1
36
VREF
37
RSET1
38
SCRESET/RTC
39
TTXREQ
40
TTX
41
CLAMP
42
PAL_NTSC
43
RESET
44
VSO
45
VAA
46
GND
47
CLOCK
48
U9
ADV7173
L2
1U0H SM
+ C18
100U EL SM
+5V
+5V_VID
C31
100N 0805
C32
100N 0805
C33
100N 0805
C34
100N 0805
C35
100N 0805
Decouple each group of VAA pins with 100N
+5V_VID
+5V_VID
DAC operates on BT656 slave mode
1
2
3
4
5
6
7
8
RP8
33K X 4 ISO
R8 0R0 0805
R9 0R0 0805
SCL
SDA
C36
100N 0805
(300R)
Y/GREEN
U/BLUE
V/RED
COMPOSITE
SVID_Y
SVID_C
C37
100N 0805
C38
100N 0805
RESET-
CLK27
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN9
FFC22V SM
SVID_YOP
SVID_COP
COMPOSITEOP
Y/GREENOP
U/BLUEOP
V/REDOP
MPGSTBY-
16/9
Q 41
QPAD
Q 42 QPAD
Q_43 QPAD
Q 44QPAD
Q_45
QPAD
Q_46 QPAD
Q 47QPAD
Q 48 QPAD
To AV board
VIDEO CODER & DAC
R23
1K0 0805
R22
1K0 0805
R16
220R 0805
R17
220R 0805
R18
220R 0805
R19
220R 0805
R20
220R 0805
R21
220R 0805
YUV[0..7]
YUV[0..7]
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
CLK27PS
CLK27
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN4
FFC22V SM
Q 10
QPAD
Q 39
QPAD
Q 93
QPAD
Q 94 QPAD
Q_95 QPAD
Q_96 QPAD
Q 97 QPAD
Q 98 QPAD
Q 99 QPAD
Q 101
QPAD
Q_103 QPAD
Q_104
QPAD
SCL
SDA
SDA
SCL
I2C BUS
Q_100
QPAD
DIGITAL VIDEO OUTPUT FOR PROGRESSIVE SCAN BOARD
HSYNC, VSYNC will not be required
if de-interlacer has BT656 input
R24
5K6 0805
R25
5K6 0805
3
2
1
U13A
EL5244 SM
5
6
7
U13B
EL5244 SM
3
2
1
U16A
EL5244 SM
5
6
7
U16B
EL5244 SM
3
2
1
U17A
EL5244 SM
5
6
7
U17B
EL5244 SM
VS
8
GND
4
U13C
EL5244 SM
VS
8
GND
4
U16C
EL5244 SM
VS
8
GND
4
U17C
EL5244 SM
R33
1K0 0805
R31
1K0 0805
R34
1K0 0805
R32
1K0 0805
R49
1K0 0805
R45
1K0 0805
R50
1K0 0805
R46
1K0 0805
R51
1K0 0805
R47
1K0 0805
R52
1K0 0805
R48
1K0 0805
R53
75R 0805
R54
75R 0805
R55
75R 0805
R56
75R 0805
R57
75R 0805
R58
75R 0805
BUFFERS
Can change usage of op-amps to suit layout
C42
100N 0805
C43
100N 0805
C44
100N 0805
+5V_VID
No buffers on iss B
RESET-
RESET-
IRIRQ-
IRIRQ-
1
2
3
4
5
6
7
8
CP1
47P X 4 ISO
1
2
3
4
5
6
7
8
CP2
47P X 4 ISO
Rev 2.2 - changed ENABLE_AV to MPGSTBY- (SCART mod)
01_1139
CL
08/08/01
REMOVED CN2 & CN3, PCB WIDTH CHANGED
4.0
CLK27PS
Содержание DiVA DV88
Страница 1: ...DV88 DiVA DV88 DVD Player Progressive Scan Service Manual ARCAM Issue 2 0 ...
Страница 19: ...Diagram 2 points to solder to on DSP board ...
Страница 41: ...CAM Products 2000 TM L875pb 4 GTO ...
Страница 42: ......
Страница 43: ......
Страница 44: ......
Страница 45: ...CAM Products 2000 TM L889PB_2 GTO ...