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8-20
VPL-CS2/CX1
8-20
2
3
4
5
ABCDEFGH
1
CXA1846BN (IC825)
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
1dB STEP
VOLUME
8dB STEP
VOLUME
1dB STEP
VOLUME
8dB STEP
VOLUME
VCT
BUFFER
LATCH
SHIFT
REGISTER
LATCH
CONTROL
ZC
DET
+
–
+
–
INP 1
INN 1
VCT 1
INAO 1
VRIN 1
OUT 1
N.C.
GND
VCT
VCC
INP 2
INN 2
VCT 2
INAO 2
VRIN 2
OUT 2
CE
DATA
CLK
INIT
CXA2112R-T6
(IC819, 826, 829 : VPL-CS2)
(IC819, 820, 826, 827, 829, 830 : VPL-CX1)
DLY CNT
49
MCLK
50
MCLK/
51
INV CNT
52
VDD
53
CLK OUT
CLK OUT/
D.P
D.P
DGND
CLK IN
NC
CLK IN/
SH IN
FRP
Vcc
SID OFST
D.P
D.P
SID IN
SID OUT
ISET
NC
SIGCEN
VCOMOFST
VCOMOUT
54
55
56
57
58
59
60
61
GND2
SH OUT1
NC
SH OUT2
NC
PVcc
D.P
SH OUT3
D.P
PGND
NC
SH OUT4
NC
SH OUT5
62
PRG
NC
NC
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
NC
SH OUT6
19
18
17
POS CNT1
POS CNT2
NEXT OUT
NEXT IN
F/R CNT
GND
NC
D.P
D.P
S/12 CNT
NC
ENB
DIR CNT
45 44
VIDEO IN
INV OUT
47
OFFSET
48 46 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12 13
NC
NC
NC
14 15 16
S/H
SID BIAS
S/H S/H
BUFFER
INVERT
AMP
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
S/H S/H
OFFSET CANCEL
OFFSET CANCEL
OFFSET CANCEL
OFFSET CANCEL
OFFSET CANCEL
OFFSET CANCEL
S/H
S/H S/H S/H
S/H
S/H
PULSES
CLOCK
DELAY
TIMING
GENERATOR
S/H S/H
S/H S/H S/H
S/H S/H S/H
OFFSET CANCEL
MODE TIMING
VCOM
D
MB88346BPFV-EF (IC817)
8 BIT
LATCH
8 BIT
R-2R
D/A CONVERTER
12 BIT SHIFT REGISTER
D0 D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
ADDRESS
DECODER
1234
12
D0
D7
8 BIT
LATCH
8 BIT
R-2R
D/A CONVERTER
D0
D7
1
2
3
4
5
6
7
8
9
10
1
20
19
18
17
16
15
14
13
12
11
A01
A12
8
12
GND
A02
A01
DI
CLK
LD
DO
A12
A11
VCC
VSS
A03
A04
A06
A07
A08
A09
A10
VDD
A05
M52749FP-TP (IC803)
Retrace BlankingMain BrightnessVCC
=12V
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX
AMP
RETRACE
BLANKING
B SUB CONT 8bit
G SUB CONT 8bit
R SUB CONT 8bit
R OUTPUT
R OSD IN
R V
CC 12V
R INPUT
CLAMP
F/B
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX
AMP
RETRACE
BLANKING
G OUTPUT
G OSD IN
G V
CC 12V
G INPUT
CLAMP
F/B
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX
AMP
RETRACE
BLANKING
R OUTPUT
Contrast ref.
Contrast cont.
B OSD IN
B V
CC 12V
B INPUT
CLAMP
F/B
Sync On
Green
Sep
DAC
BUS
I/F
V
CC 5V
(DIGITAL)
Contrast(ABL) IN
SOG Sep OUT
SOG INPUT
SDA
SCL
DAC output
for cut-off Adj
OSD Blanking
Main
CONTRAST
8bit
OSD
LEVEL
4bit
Clamp Pulse IN
GND
GND
GND
GND
GND
GND
GND
GND
17
16
12
11
13
10
8
6
9
5
3
2
4
7
21 14 1 25 26 27 28 29 32 36 39
24
22
23
19
31
35
33
38
41
303442
20
C Board Waveforms
1234
5678
90!-
2.4 Vp-p
TP806 [R]
2.4 Vp-p
TP807 [G]
2.4 Vp-p
TP808 [B]
4.4 Vp-p
TP803 [VD]
4.4 Vp-p
TP804 [HD]
10.2 Vp-p
TP812 [GINV]
10.2 Vp-p
TP813 [G-VID|OUT]
10.2 Vp-p
TP816 [BINV]
10.2 Vp-p
TP820 [RINV]
10.2 Vp-p
TP817 [B-VID|OUT]
10.2 Vp-p
TP821 [R-VID|OUT]
CC