6-18
VPL-CS4/CX4
6-18
C Board Waveforms
1234
5678
90!-
3.0 Vp-p
TP116 [HD]
3.0 Vp-p
TP117 [VD]
400 mVp-p
TP301 [BLUE]
400 mVp-p
TP303 [RED]
400 mVp-p
TP302 [GREEN]
1 Vp-p
TP401 [G|OUT]
7.5 Vp-p
TP405 [SIG|G2]
7.5 Vp-p
TP406 [SIG|G1]
7.5 Vp-p
TP403 [PSIG|G|]
1 Vp-p
TP501 [R|OUT]
7.5 Vp-p
TP505 [SIG|R1]
![ !] !\ !;
7.5 Vp-p
TP502 [PSIG|R]
1 Vp-p
TP601 [B|OUT]
7.5 Vp-p
TP605 [SIG|B1]
7.5 Vp-p
TP604 [SIG|B2]
!=
7.5 Vp-p
TP504 [SIG|R2]
!'
7.5 Vp-p
TP602 [PSIG|B]
2
4
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX AMP
CLAMP
F/B
RETRACE
BLANKING
41
303442
6
9
5
3
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX AMP
CLAMP
F/B
RETRACE
BLANKING
38
11
13
10
8
17
16
21 25 26 27 28 29 32 36 3914 1
12
20
7
CLAMP
SUB
CONTRAST
MAIN
CONTRAST
OSD MIX
DAC
BUS
I/F
AMP
CLAMP
F/B
OSD
LEVEL
4bit
Main
CONTRAST
8bit
B SUB CONT 8bit
G SUB CONT 8bit
R SUB CONT 8bit
RETRACE
BLANKING
33
35
31
24
22
23
19
Sync On
Green
Sep
OSD BLK IN
INPUT (R)
VCC1 (R)
OSD IN (R)
GND1 (R)
INPUT (G)
INPUT (SOG)
VCC1 (G)
OSD IN (G)
GND1 (G)
INPUT (B)
VCC1 (B)
OSD IN (B)
GND
GND1 (B)
ABL IN
VCC=5V
SOG Sep OUT
Clamp Pulse IN
VCC2
OUTPUT (R)
GND2
OUTPUT (G)
GND
Contrast ref.
Main Brightness
OUTPUT (B)
GND
Contrast cont.
Retrace BLK IN
D/A OUT1
D/A OUT2
D/A OUT3
D/A OUT4
D/A OUT5
GND (5V)
SDA
SCL
M52749FP (IC302)
S/H S/H S/H
VCOM
OFFSET CANCEL
BUFFER
S/H S/H S/H
OFFSET CANCEL
BUFFER
S/H S/H S/H
OFFSET CANCEL
BUFFER
S/H S/H S/H
OFFSET CANCEL
BUFFER
S/H S/H S/H
OFFSET CANCEL
BUFFER
S/H S/H S/H
OFFSET CANCEL
BUFFER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
3435363738394041424344454647
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
CAL_R
CAL_O
CAL_I
V
DD
DGND
MCLK
MCLKX
GND
GND
DLYCTR
CLKOUT
CLKOUTX
NC
CLKIN
CLKINX
F/H_CNT
PRGPOL
PRG
NC
NC
POSCTR1
POSCTR2
NC
GND
GND
STATUS
ENB
D1OR2
DIRCTR
NC
NC
DCFBSW
NC
VIDEO_I
VIDEO_R
VIDEO_O
SH_IN
NC
VCC
GND
GND
SID_IN
SID_R
SID_O
FRP
SIGCNT
VCOMOFF
VCOMOUT
SHOUT1
NC
SHOUT2
NC
SHOUT3
NC
PV
CC
GND
GND
PGND
NC
SHOUT4
NC
SHOUT5
NC
SHOUT6
D
CLOCK
DELAY
S/H
pulses
TIMING
GENERA-
TOR
offset
cancel
mode
timing
SID
INVERT
AMP
CALIBRA-
TION
AMP
CXA3512R-T6 (IC401, 501, 601 : VPL-CS4)
(IC401, 402, 501, 502, 601, 602 : VPL-CX4)
CC
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
CXA1846BN-T4 (IC703)
1
OUTPUT A
VS
3
OUTPUT B
+INPUT A
-INPUT A
+INPUT B
-INPUT B
7
2
4
8
6
5
NJM2073M (TE2) (IC701, 702)
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