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Circuit Diagrams and PWB Layouts
Scaler Board: Board Diagram
5
SCALER BOARD:
S-A12
JACK1
9
RCA_CVBS_IN
6
7
8
11
10
5
AV_YIN
1
2
D37
EZJZ0V800AA/NC
3
4
D
TYCO_1566504_4_5P
D38
BNC_CVBS_IN
P1
G1
EZJZ0V800AA/NC
CVBS_OUT
P2
G2
P2
J1
CBNC2P-YKC31-0184ON6_0
P1
G1
C273
D39
100pF
EZJZ0V800AA/NC
AV_CIN
L68
0R
R505
1
2
D42
C274
C
EZJZ0V800AA/NC
R506
100pF
75_1/2W
L70
0R
R512
1
2
D43
C279
EZJZ0V800AA/NC
R515
100pF
75_1/2W
B
EC_0608
DSUB_H_CSYNC
CSYNC_SEL
A
BNC_H_CSYNC
5
QCS1.0S LA
7.
4
BOARD SCHEMATIC DIAGRAM
L63
0R
R496
0R
+5V_VD
1
2
L64
C266
KHB0805R121SA
R499
100pF
75_1/2W
L65
0R
R500
0R
1
2
C271
R501
R502
10
100pF
75_1/2W/NC
2007/04/12
For CVBS Input
Level
C277
0R
1
2
SCIN
47uF/25V
+5VSB
L71
0R
SYIN
KHB0805R121SA
C284
1
2
47uF/25V
+5VSB
L127
KHB0805R121SA
C479
1
2
47uF/25V
R749
75_1/2W
Q78
2SK3018
R752
1K
+5VSB
L128
R750
0R/NC
KHB0805R121SA
C481
1
2
47uF/25V
R751
Q79
2SK3018
75_1/2W
EC_0606_CSYNC
R753
1K
4
32
3
CVBSIN
R497
47K
R498
NC
U42
C267
C268
22uF/50V
100uF/25V
6
1
VCC
PS
+
5
2
1
2
GND
OUT
C269
0.1uF
4
3
IN
SAG
C270
47uF/25V
MM1671
1
2
C272
0.1uF
CVBS_OUT
L66
2
0R
1
R503
75_1/2W
L67
+5VSB
KHB0805R121SA
C275
R507
0.1uF
10K
R509
Q63
2
MMBT3904
100
R511
680
R510
15K
+5VSB
L72
KHB0805R121SA
R513
1.8K
C283
0.1uF
R517
C282
0.1uF
10K
6
1B1
5
R519
1B2
Q64
4
1B3
2
3
1B4
MMBT3904
100
10
R521
2B1
11
2B2
R520
12
2B3
15K
13
2B4
680
R522
1.8K
Control
Pins
R734
C286
0.1uF
10K
CSYNC_SEL
R735
Q76
2
MMBT3904
100
RGB_SEL
R736
R737
680
15K
R518
R746
2.2K/NC
1.8K
R739
C285
0.1uF
10K
R740
Q77
2
MMBT3904
100
R741
R742
15K
680
+5V_VD
R523
R747
2.2K/NC
1.8K
3
2
D40
UDZ5V6B
R504
+5VSB
1.1K
D41
L69
KHB0805R121SA
2
1
1SS355
R508
560K
U43
1
CVBS_SYNC_OUT
VCC
2
CVBS_IN
OD/EVN
3
V_SYNC_OUT
RSET
C278
4
GND
BRST/BK
0.47uF
NS_LM1881_SOP_8P
C280
470pF
U44
PI5V331QE
R516
0R
7
1A
9
2A
R732
0R
14
1
2
RGB_SEL
S0
R733
0R
R738
2
1
2
CSYNC_SEL
S1
NC
1
1OE
15
2OE
EC_0606_CSYNC
EC_0606_CSYNC
CSYNC
CSYNC
HV
CVBS
S-VIDEO
RGB_DSUB
RGB_BNC
RGB_DSUB
L
L
H
H
L
L
H
L
H
L
+5VSB
+5VSB
2,5,6
+5V_VD
2,14,17
2
1
S-A12
D
AV _SYNC
C276
0.1uF
8
7
6
5
R514
C281
0.1uF
560K
C
CSYNC_H
B
HV
RGB_BNC
L
H
A
I_17540_029.eps
310108
1
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