Sony LMD-151MD Service Manual page 68

B(1/6) 24LC21AT/SN (IC330)
1
SDA 5
I/O MEMORY
VCLK 7 CONTROL CONTROL XDEC
LOGIC LOGIC
SCL 6
VCC
8
VSS 4
1 2 3
2
NC NC NC
B(2/6) 74VHC125MTCX (IC370)
1 OE 1 14 VCC
1A 2 13 4 OE
12 4A
3
1Y
11 4Y
3
2 OE 4
5 10
2A 3 OE
9 3A
2Y 6
GND 7 8 3Y
B(2/6) AD9884AKS (IC351)
4
7 CLAMP A/D
R IN
G IN
CLAMP
15 A/D
A/D
B IN 22 CLAMP
HSYNC 40
2
COAST 41
5
CLOCK
28
CLAMP
GENERATOR
CKINV 27
44
CKEXT 0.15V
CONTROL
45 14 118 29 30 31 32
FILT SOGIN SOGOUT SDA SCL A0 A1 PWRON
A B
B(4/6) CXA1875AM-T4 (IC480)
16 15
H/V
GENERATOR
EEPROM
ARRAY
LEVEL
CONVERTER
PAGE LATCHES
POWER
ON
RESET
YDEC
–
+
VCC
REG
SENSE AMP
R/W CONTROL
1 2
B(6/6) CXA2101AQ (IC1360)
Y1-IN 69
CB1-IN 68
CR1-IN 67
SELY-IN 75
SELCB-IN 74
SELCR-IN 73
SELCR-OUT
78
SELCB-OUT 77
SELY-OUT 76
IN2-1
3
IN2-2
4
IN2-3
5
IN2-H
1
IN2-V
2
8 105
R IN3-1
OUTA 9
8
112
IN3-2
10
8 95
R
OUTB IN3-3
11
102
IN3-H
7
8 92 IN3-V
8
G
OUTA
8
IN4-1
85 15
82 IN4-2
8 16
G
OUTB
IN4-3
17
75
IN4-H
13
8 72
IN4-V
B 14
OUTA
8
65
IN5-1
21
8 63
IN5-2
22
B
OUTB
55 IN5-3
23
IN5-H
19
115 DATACK
IN5-V 20
117 HSOUT
REF 127 REFIN
125 126
REFOUT
C
B B
14 13 12 11 10 9
OPEN COLLECTOR
LEVEL LEVEL
LATCH
CONVERTER CONVERTER
2
I C DECODER
LATCH LATCH LATCH LATCH LATCH
DAC DAC DAC DAC DAC
AMP AMP AMP AMP AMP
3 4 5 6 7 8
62 63 64 61 59 60
VM LEV
CB OFFSET2 VM DEL VM
CR OFFSET2
SUB-CON
EXT.
Y SUB
CLP
COL
Replace-pulse
Cb
SUB
INT.
Cr CTI
COL
CLP
SUB-COL CTI LEV
YCBCR/MAT CB OFFSET1
CR OFFSET1
Cr
Cb
Y
YCbCr
YPbPr/YCbCr
GBR
1.2.3
GBR/YCbCr
4V
MAT OUT
H
EXISTENCE DISTINCTION
V
INTELLINGENT SYNC SEP.
HSEP SEL HS MASK H WIDTH
3
HO TC FIX SYNC
V TC
<PRIORITY RANK>
HYSW
1.HV (input by H&V)
2.CS (input by H)
INPUT-SEL
3.sync on Y or GREEN(input by 3)
5dB
25 26 18 24
8-12 8-12
D E
58 54 57 27 71 55 56 53
SHARPNESS
AGING1
SUB-SHP
D PIC
SHP F0 AGING2
LTI LEV DC TRAN
GATE
PRE/OVER
I C-BUS 2
IREF
CBLK
DECODER
SHP
CLP DPIC
LT1
R-Y R
G-Y MATRIX G
HUE COL AXIS
B-Y CLP B
HUE COLOR R-Y/R G-Y/R
SYB-HUE AGING2 R-Y/B G-Y/B
BRT-ABL
MAT OUT YSYM 1 PIC-ABL YS/YM 2 LIMIT LEVEL
YM1 CLP YM2 PEAK
SW PIC
YS1 BRT YS2 LIMIT
pure
LRGB1 LRGB2
RGB
CLP LRGB2 PIC-ABL CLP
CLP
R G B
CBLK
Clamp-Pulse
Replace-Pulse
for Color-Differnce inputs
YCBCR/MAT
80 79 66 65 28 29 31 32 33
F
6 12 30 34 72 70
YSYM SW
YM VM
YSYM 1
YS/YM 45 YS/YM-1
SW I/F
YSYM 2 49 YS/YM-2
PICTURE
BRIGHT ABL MODE
SUB-BRIGHT ABL TH
LRGB2 LEV PABL LEV
BRT-ABL 44 ABL-IN
ABL
PIC-ABL 43 ABL-FIL
42 PABL-FIL
LRGB2 PIC-ABL
R DRIVE
DCOL G DRIVE BLK-BOTTOM
GAMMA B DRIVE BLK-SW
35 R-OUT
DCOL DC
DRV BLK
GAMMA 37 G-OUT
SHIFT
39 B-OUT
RGB-BLK
41 IK-IN
AKB
40 B-SH
R CUTOFF
38 G-SH
G CUTOFF
B CUTOFF 36 R-SH
RGB-S/H pulse
52 LB2-IN
51 LG2-IN
50 LR2-IN
48 LB1-IN
47 LG1-IN
46 LR1-IN
PULSE AKB
I/F TIMING GEN.
CLP SW PIC ON
R ON
CLP MSK
G ON
B ON
CBLK OFF
AKB-T
LMD-151MD
G H