Lexicon RV-8 Service Manual page 240

8 7
+5VV
C123
R184
4.75K
.1/25
1%
C73
OSD_Y_IN
[2/D5,5/C8]
D
47/16
+5VV
R185
2.15K
1%
8
5
LF353
+
7
6
-
U31
R186
4
2.15K
1%
-5VV
R187
4.75K
1%
+5VV
C
C105
R171
4.75K
.1/25
1%
C106
OSD_C_IN SCOSD
[2/A5,5/C8]
R172
10/16
2.15K
1%
GMHSYN/
[8/C2]
VSYNC/
[8/C2]
OSD_TSC5/
[9/C3]
VIDEO_DATA5
[9/A3]
OSD_SCLK5
[9/A3]
OSD_CS5/
[9/A3]
B
+5VV
T
R170
10K
+5VV
D0
D1
D2
D3
R136
D4
10K
D5
D6
D7
A
8 7
6
+5VV
R190
4.75K
1%
R191
470K
C120 R188
.01/50 2.15K
1%
C121
.1/25
C122
+3.3VD
10/16
74HC4053 16
12
R209 VCC
X
14
475 Z
13
Y
11 SECAM_EN
1%
S [9/C3]
6
INH
VSS VEE
U40
8 7
-5VV
E3 +5VV
H V C108
32 31
C107
YIN YOUT
35 34
CIN COUT
NC 40 37 NC
VIN VOUT
10/16
NC 38 39 NC
VKIN VKOUT
14 OSD_CSYNC/
HSYNC
12 15 OSD_VSYNC/
EXHSYN VSYNC
13 16 NC
EXVSYN VBLNK
NC 1
IC
2 NC
VOC
MB90092 3 NC
VOB
NC 21 5 NC
CBCK B
6 NC
R
7 NC
G
20 NC
FSCO
22 NC
POS
77
TSC
53 A0
ADR0
54 A1
ADR1
10 55 A2
SIN ADR2
9 56 A3
SCLK ADR3
8 57 A4
CS ADR4
58 A5
ADR5
59 A6
ADR6
60 A7
ADR7
NC 19 61 A8
NC1 ADR8
NC 25 63 A9
NC2 ADR9
NC 26 64 A10
NC3 ADR10
NC 27 66 A11
NC4 ADR11
NC 28 67 A12
NC5 ADR12
68 A13
ADR13
43 69 A14
READ ADR14
70 A15
ADR15
78 71 NC
TEST ADR16
72 NC
ADR17
44 73 NC
DATA0 ADR18
45 74 NC
DATA1 ADR19
46 75 NC 4FS
DATA2 ADR20
47
DATA3
48 18 NC
DATA4 XS
49 17
DATA5 EXS
50 80
DATA6 XD
51 79
DATA7 EXD
E2
U26
C99
10PF
ON-SCREEN DISPLAY
6
5 4
+5VV
8
3
LF353
+
1
2 R189
-
U31
2.15K
4
1%
-5VV
R192
4.75K
1%
R193
+5VV
100K
R182 R181 8
LT1229
5
+
7
681 976
6
1% 1% -
U30
4
C113
12PF R180
750 -5VV
1%
C117
47PF
+5VV
.1/25
R174 R175
8
LT1229
3
+
1
681 976
2
1% 1% -
U30
R173
4
C110
100K
R177
6.8PF
750 -5VV
C114 1%
82PF
+5VV
4
14.31818MHZ
VDD
3 1 NTSC_EN
OUT IN [9/C3]
GND
U36
2
+5VV
4
17.73448MHZ
VDD
E1
3 1 PAL_EN
OUT IN [9/C3]
L7
GND
U37
2
10UH
C100
15PF
4XFSC OSCILLATORS
A[15:0]
D[7:0]
5 4
3
+3.3VD
74HC4053
16
R183
2
VCC
X
15 OSD_SY_OUT
1.15K Z
1
1%
Y
C166 10 MSVID_YOFF
S
12PF 6
INH
VSS VEE
U40
8 7
-5VV
R179
1.15K
OSD_Y+C_OUT
1%
R178
1.15K
1%
C115
68PF
R176
OSD_C_OUT
1.15K
1%
C109
33PF
A[15:0]
D[7:0]
FONT MEMORY
+5VV +5VV
29F010
A0 12 32
A0 VCC
A1 11
A1
A2 10 13 D0
A2 DQ0
A3 9 14 D1
A3 DQ1
A4 8 15 D2
A4 DQ2
A5 7 17 D3
A5 DQ3
A6 6 18 D4
A6 DQ4
A7 5 19 D5
A7 DQ5
A8 27 20 D6
A8 DQ6
A9 26 21 D7
A9 DQ7
A10 23
A10
A11 25
A11
A12 4
A12
A13 28
A13
A14 29
A14
A15 3
A15
2
A16
30
A17
128KX8
1
90NS
NC1
VROM_WR/ 31
[9/C3] WR
24
OE
22
CE
16
GND
U25
3
2 1
REVISIONS
DRAFTER
REV DESCRIPTION
CHECKER AUTH.
RWH
1 CHANGED PER DCR 030106-00
1/13/03 1/23/03
ECM
1/21/03 1/23/03
RWH
2 CHANGED PER DCR 030421-00
5/20/03 5/22/03
ECM
5/20/03 5/22/03
RWH
3 CHANGED PER DCR 030623-00
10/8/03 10/16/03
ECM
10/9/03 10/16/03
[2/D5]
[9/C3]
[2/B5]
[2/D5]
[9/D3]
[9/D3]
CONTRACT
exicon
3 OAK PARK
NO.
BEDFORD, MA 01730
TITLE
APPROVALS DATE
SCHEM,VIDEO BD, RV8
DRAWN
RWH 8/9/02
ON-SCREEN DISPLAY
CHECKED
SIZE CODE NUMBER
ECM 8/28/02
B
060-15589
Q.C.
CW 8/28/02
FILE NAME
ISSUED
MAG 8/28/02 15589-3 . 7 SHEET 7
2 1
Q.C.
CW
MAG
CW
MAG
CW D
MAG
C
B
A
REV
3
OF 10