Sony DSR-300P Service Manual page 28

IC
CXD2307R-T4 (SONY)FLAT PACKAGE
CXD2307R-T6
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
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
1 I R2 17 I
2 I R3 18 I
3 I R4 19 I B0 (LSB)
4 I R5 20 I
5 I R6 21 I
6 I R7 22 I
7 I R8 23 I
8 I R9 24 I
9 I G0 (LSB) 25 I
10 I G1 26 I
11 I G2 27 I
12 I G3 28 I
13 I G4 29 I
14 I G5 30 I
15 I G6 31 I
16 I G7 32 I
63
R0
(LSB)
64
R1
1
R2
2
R3
3
R4
4
R5 DECODER LATCHES
5
R6
6
R7
7
R8 DECODER
8
R9
9
G0
(LSB)
10
G1
11
G2
12
G3
13
G4
14
G5 DECODER LATCHES
15
G6
16
G7
17
G8 DECODER
18
G9
19
B0
(LSB)
20
B1
21
B2
22
B3
23
B4
24
B5 DECODER LATCHES
25
B6
26
B7
27
DECODER
B8
28
B9
29
BLK
30
CE
9-20
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
G8 33 I BCK 49 — GND
G9 34 — GND 50 O RO
RO
35 O VB 51 O
B1 36 — GND 52 — A-V
DD
B2 37 I IRR 53 — A-V
DD
B3 38 I IRG 54 O GO
GO
B4 39 I IRB 55 O
B5 40 I VRR 56 — A-V
DD
B6 41 I VRG 57 — A-V
DD
B7 42 I VRB 58 O BO
BO
B8 43 I ROR 59 O
B9 44 I VGR 60 — A-V
DD
BLK 45 I ROG 61 — A-V
DD
CE
46 I VGG 62 — D-V
DD
RCK 47 I ROB 63 I R0 (LSB)
GCK 48 I VGB 64 I R1
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
CELLS
CLOCK
GENERATOR
_
+
CURRENT CELLS
(FOR FULL SCALE)
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
CELLS
CLOCK
GENERATOR
_
+
CURRENT CELLS
(FOR FULL SCALE)
4LSB'S
CURRENT
CELLS
6LSB'S
CURRENT
CELLS
CLOCK
GENERATOR
_
+
CURRENT CELLS
(FOR FULL SCALE)
BIAS VOLTAGE
GENERATOR
CXD2310AR-T4 (SONY)
C-MOS 10-BIT 20 MSPS VIDEO A/D CONVERTER
—TOP VIEW—
TSTR 37
AT 38
S/H
VIN 39
AMP.
+
40 NC
CAL 41
TS 42
43 A-GND
44 A-GND
45 D-V
DD
46 NC
47 NC
48 D-GND
FINE LATCH
INPUT
: CALIBRATION PULSE INPUT
CAL
: CHIP ENABLE
CE
: CLOCK
CLK
: OUTPUT (D0 - D8) INVERSION
LINV
: OUTPUT (D9) INVERSION
MINV
: DIGITAL DATA OUTPUT ENABLE
OE
: CALIBRATION CIRCUIT RESET
RESET
: OUTPUT DATA (D5 - D9) SELECT FOR CALIBRATION (4-CLOCK)
SEL
HIGH ; THROUGH OUTPUT, OW ; DATA FIXED AS WITH D0 - D4
: TEST SIGNAL INPUT
TIN
: TEST MODE
TMOD
: TEST SIGNAL INPUT
TS
: TEST SIGNAL INPUT
TSTR
: REFERENCE BOTTOM VOLTAGE
VRB
: REFERENCE TOP VOLTAGE
50
VRT
RO
51
RO
44
OUTPUT
VGR
: TEST SIGNAL OUTPUT
AT
31
RCK : DIGIRAL DATA OUTPUT
D0 - D9
: TEST PIN
TO
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
COURSE
CONPARATE
& ENCODE
TIMING
GEN.
_
+
DAC
AMP.
(x 8)
DGND
FINE
COMPARATE
& ENCODE
COURSE CORRECTION
& LATCH
CE
24
OE
23
22 CLK
21 MINV
20 LINV
19 TMOD
AV 18
DD
17 SEL
16
RESET
15
14 TIN
13 TO
DSR-300/P(J,E)/V2