Mitsubishi S290U Service Manual page 79

IC BLOCK DIAGRAMS
IC8T1 ET6050S0B
42 50 49
STANDARD
LEVEL SIGNAL
INVERTER
51
CALI
44
VIN
13
FRQC
54
MCLK
55
MCLK
CLOCK
58
DLY PHASE
ADJUSTMENT
59 60
PCB-TERMINAL
IC200 AD8183ARU
IN0 A
1
IN0 B
12
IN1 A
3
IN1 B
10
IN2 A
5
IN2 B
6
SEL A/B
22
OE
23
6,13,14,17,21,24
VCC
TRUTH TABLE
SEL A/B
0
1
0
1
12
45 47 46 35 36
VIDEO SIGNAL LCCOM
INVERTER VOLTAGE
AMP GENARATOR
SW
SW S/H S/H S/H
SW S/H S/H S/H
SW S/H S/H S/H
SW S/H S/H S/H
SW S/H S/H S/H
SW S/H S/H S/H
TIMING GENERATOR
8,9,24,25
62 63 1 2 5 6 10 11 14 40,41,56,57 52
OUT 0
G = +1 or +2
20
OUT 1
G = +1 or +2
18
OUT 2
G = +1 or +2
16
Output Enable
7,15,19 2,4,9,11
VEE GND
OE
Output
0 IN A
0 IN B
1 Hight Z
1 Hight Z
DYIN
CLYIN
34
33
LCCOMOUT
DIRYIN
ENBY1IN
16
OFFCAN
ENBY2IN
32
VOUT1
DXIN
CLX1IN
30
VOUT2
CLX2IN
28
VOUT3
ENBX1IN
ENBX2IN
21
VOUT4
ENBX3IN
ENBX4IN
19
VOUT5
NRGIN
DIRXIN
17
VOUT6
NRSC
IC203 74VHC157M
I I I
0a 1a 0b
2 3 5
4
Z Z
a
TRUTH TABLE
Inputs (a or b) Outputs
E S I I Z
0 1
H X X X L
L H X L L
L H X H H
L L
L X L
L L H X H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
IC8T3 ET1030F0A
VCC GND VDD2 DGND
1,13 2,12 46,47 23,37,48
10
INVERT LEVEL SHIFT
9
LEVEL SHIFT
INVERT LEVEL SHIFT
5
LEVEL SHIFT
INVERT LEVEL SHIFT
4
INVERT LEVEL SHIFT
3
INVERT LEVEL SHIFT
8
INVERT LEVEL SHIFT
7
LEVEL SHIFT
INVERT LEVEL SHIFT
6
LEVEL SHIFT
INVERT LEVEL SHIFT
17
INVERT LEVEL SHIFT
16
INVERT LEVEL SHIFT
15
INVERT LEVEL SHIFT
14
INVERT LEVEL SHIFT
11
INVERT LEVEL SHIFT
18
INVERT LEVEL SHIFT
LEVEL SHIFT
19
SW
SW
20 21
(VCC System)
NRSA NRSB
I I I I I
1b 0c 1c 0d 1d
6 14 13 11 10
7
12 9
Z Z
b c d
IC2A0 M52055FP
H
1
IN1B
2
SW1
3
OUT1
4
GND2
5
OUT2
6
OUT3
7
SW3
8
IN3A
L
43
DY
41
CLY
42
CLY
26
DIRY
25
DIRY
44
ENBY1
45
ENBY2
(VDD2 System)
(VDD1 System)
33
DX
34
CLX1
35
CLX1
38
CLX2
39
CLX2
29
ENBX1
30
ENBX2
31
ENBX3
32
ENBX4
40
NRG
27
DIRX
28
DIRX
22
NRS
36 3
VDD1 DGND
E S
15 1
L
16
IN1A
15
GND1
14
H
IN2B
13
Vcc
12
SW2
L
11
IN2A
10
GND3
9
IN3B
H