Sony BVW-55 Maintenance Manual page 576

IC
CXD2301Q-T4 (SONY)
C-MOS 8-BIT VIDEO A/D CONVERTER
—TOP VIEW—
24 23 22 21 20
25
26 A-V
DD
27
28 A-GND
29
30
31 A-GND
32
1 2 3 4 5
PIN PIN
I/O SIGNAL I/O
NO. NO.
1 I VRB 17 —
2 — A-GND 18 I
3 — A-GND 19 —
4 I SEL 20 I
CE
5 I 21 I
CLE
6 I 22 O
7 — A-GND 23 I
8 — D-GND 24 I
9 O D7 (MSB) 25 I
10 O D6 26 —
11 O D5 27 I
12 O D4 28 —
13 O D3 29 I
14 O D2 30 O
15 O D1 31 —
16 O D0 (LSB) 32 I
R
25
V IN1
27
V IN2
R
4
SEL
5
CE
16
D0 (LSB)
15 LOWER ENCODER
LOWER
D1
(4 BITS)
14
DATA
D2
LATCH
13
D3
LOWER ENCODER
(4 BITS)
12
D4
11
UPPER
D5
10
DATA
D6
UPPER ENCODER
LATCH
9
(4 BITS)
D7 (MSB)
18
CLK CLOCK GENERATOR
2-26
19 18 17
23 16
VRT D0
15
D1
16
29 14
AD IN D2
18 13
CLK D3
15
12
D4
1 11
VRB D5
14
10
D6
25 9
V IN1 D7
13
27 30
V IN2 OPO
4
SEL
12
6
CLE
32
CCP
11
24
V
REF
20
CLP
10
21 22
ADV ADV
CE
9
5
6 7 8
INPUT
SIGNAL
AD IN : ANALOG SIGNAL
ADV : CAPACITOR CONNECTION
D-V
DD
CCP : CLAMP CONTROL VOLTAGE
CLK
CE ON
: STANDBY MODE
TEST
CLE
: CLAMP ENABLE
CLP
CLK : A/D CLOCK
ADV
CLP : CLAMP PULSE
ADV
SEL : OP-AMP INPUT SELECT
VRT
V IN1, V IN2 : OP-AMP INPUT
V
REF
V : CLAMP REFERENCE VOLTAGE
REF
V IN1
VRB : REFERENCE VOTAGE (BOTTOM)
A-V
DD
VRT : REFERENCE VOTAGE (TOP)
V IN2
A-GND
OUTPUT
AD IN
D0 - D7 : DATA
OPO
ADV : CAPACITOR CONNECTION
A-GND
OPO : OP-AMP OUTPUT
CCP
OPO ADV ADV
30 21 22
AV
DD
3R
_
+
R
TS
V
BI
REFERENCE SUPPLY
LOWER
SAMPLING COMPARATOR
(4 BITS)
LOWER
SAMPLING COMPARATOR
(4 BITS)
UPPER
SAMPLING COMPARATOR
(4 BITS)
A/D CONVERTER
_
BLOCK
+
24 6
CLE
V
REF
CXD2307R (SONY)
CXD2307R-T6 (SONY)
C-MOS 10-BIT 50 MSPS RGB 3CHANNEL D/A CONVERTER
—TOP VIEW—
49 GND
50
51
52 A-V
DD
53 A-V
DD
54
55
56 A-V
DD
57 A-V
DD
58
59
60 A-V
DD
61 A-V
DD
62 D-V
DD
63
64
/OFF
PIN
I/O SIGNAL
NO.
1 I R2
2 I R3
3 I R4
4 I R5
5 I R6
6 I R7
7 I R8
8 I R9
9 I G0 (LSB)
10 I G1
11 I G2
12 I G3
13 I G4
14 I G5
15 I G6
16 I G7
63
R0
23
VRT (LSB)
64
R1
1
VRB
1
R2
2
R3
3
R4
4
R5 DECODER
5
R6
29
AD IN
6
R7
7
DECODER
R8
8
R9
ADV
9
G0
(LSB)
10
G1
11
G2
12
G3
13
20 32
G4
14
CLP CCP
G5 DECODER
15
G6
16
G7
17
G8 DECODER
18
G9
19
B0
(LSB)
20
B1
21
B2
22
B3
23
B4
24
B5 DECODER
25
B6
26
B7
27
B8 DECODER
28
B9
29
BLK
30
CE
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
PIN PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO. NO.
17 I G8 33 I BCK 49
18 I G9 34 — GND 50
19 I B0 (LSB) 35 O VB 51
20 I B1 36 — GND 52
21 I B2 37 I IRR 53
22 I B3 38 I IRG 54
23 I B4 39 I IRB 55
24 I B5 40 I VRR 56
25 I B6 41 I VRG 57
26 I B7 42 I VRB 58
27 I B8 43 I ROR 59
28 I B9 44 I VGR 60
29 I BLK 45 I ROG 61
CE
30 I 46 I VGG 62
31 I RCK 47 I ROB 63
32 I GCK 48 I VGB 64
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
LATCHES CELLS
CLOCK
GENERATOR
CURRENT CELLS
(FOR FULL SCALE)
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
LATCHES CELLS
CLOCK
GENERATOR
CURRENT CELLS
(FOR FULL SCALE)
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
CELLS
LATCHES
CLOCK
GENERATOR
CURRENT CELLS
(FOR FULL SCALE)
BIAS VOLTAGE
GENERATOR
I/O SIGNAL
— GND
O RO
RO
O
— A-V
DD
— A-V
DD
O GO
GO
O
— A-V
DD
— A-V
DD
O BO
BO
O
— A-V
DD
— A-V
DD
— D-V
DD
I R0 (LSB)
I R1
50
RO
51
RO
44
VGR
31
RCK
43
ROR
40
_
VRR
+
37
IRR
54
GO
55
GO
46
VGG
32
GCK
45
ROG
41
_ VRG
+
38
IRG
58
BO
59
BO
48
VGB
33
BCK
47
ROB
42
_ VRB
+
39
IRB
35
VB
BVW-55