Sony SSC-DC50A Service Manual page 46

IC
HD49315AFEB (HITACHI)
C-MOS 10-BIT A/D CONVERTER
—TOP VIEW—
37
AGND
38
AV
DDH
39
40 NC
41 AV
DDL
42 AV
DDH
43 NC
44 AGND
45 DV
DDL
46 NC
47 NC
48
DGND
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
1 O D0 13 — DGND
2 O D1 14 —
3 O D2 15 — DV
4 O D3 16 — DGND
5 O D4 17 —
6 — NC 18 —
7 — NC 19 — AV
8 O D5 20 I
9 O D6 21 I MINV
10 O D7 22 I
11 O D8 23 I TEST
12 O D9 24 I STBY
INPUT
CLK : CLOCK
LINV, MINV : DIGITAL OUT INVERT CONTROL
STBY : STANDBY MODE CONTROL
TEST : TEST MODE CONTROL
VIN : ANALOG
VR1 - VR3 : REFERENCE VOLTAGE MEDIUM TAP
VRB : REFERENCE VOLTAGE LOWER SIDE
VRT : REFERENCE VOLTAGE HIGH SIDE
OUTPUT
D0 - D9 : DIGITAL
OTHER
BIAS : BIAS
VIN BIAS
39 38
STEPPED
INPUT S/H
VRT 30
SUPERIOR
REFERENCE
VR1 31 COMPARISON
VOLTAGE
( 4-BIT )
32
VR2 GENERATE
RESIST
VR3 33
NETWORK
VRB 34
6-8
24
23
22
21
20
AV 19
DDL
NC 18
NC 17
DGND 16
DV 15
DDL
NC 14
DGND 13
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
25 — NC 37 — AV
DDH
NC 26 — AV 38 — BIAS
DDH
27 — NC 39 I VIN
DDL
28 — AGND 40 — NC
NC 29 — NC 41 — AV
DDL
NC 30 I VRT 42 — AV
DDH
31 — VR1 43 — NC
DDL
LINV 32 — VR2 44 — AGND
33 — VR3 45 — DV
DDL
CLK 34 I VRB 46 — NC
35 — NC 47 — NC
36 — AGND 48 — DGND
STEPPED
AMP AMP
MEDIAN INFERIOR
COMPARISON COMPARISON
( 3-BIT ) ( 3-BIT )
DATA CORRECTION CIRCUIT
CLOCK
GENERATOR
22 20 21 23
CLK LINV MINV TEST
ICX248AK-1 (SONY)
ICX249AK-1 (SONY)
1/2-INCH CCD IMAGE BLOCK
—TOP VIEW—
V4 1
V3 2
V2 3
SUB 4
5 GND
V1 6 GND
VL 7 GND
8 GND
9 V
DD
V 10
OUT
INPUT
H1, H2 : HORIZONTAL REGISTER TRANSFER CLOCK
RD : RESET DRAIN BIAS
RG : REST GATE CLOCK
SUB : OVERFLOW DRAIN
V1 - V4 : VERTICAL REGISTER TRANSFER CLOCK
V : BIAS AMP
DSUB
V : OUTPUT AMP GATE BIAS
GG
VL : PROTECTION TRANSISTOR BIAS
V : OUTPUT AMP SOURCE
SS
OUTPUT
V : SIGNAL
OUT
16
RD
17
RG
6
V1
3
V2
VERTICAL SHIFT REGISTER
2
V3
1
V4
4
SUB
HORIZONTAL SHIFT REGISTER
19
H1
20
H2
11
V
GG
13
V
SS
7
VL
12
V
DSUB
12
D9
11
D8
MC14577CF (MOTOROLA)FLAT PACKAGE
10
D7
MC14577CFEL
9
D6
8
D5
5 C-MOS DUAL VIDEO AMPLIFIERS
D4
4
D3 —TOP VIEW—
3
D2
2
D1
1 8
V
1 DD
D0
_ +
2 7
+ _
3 6
4 V 5
SS
24
STBY
NJM431U (JRC)
NJM431U-TE1
ADJUSTABLE PRECISION SHUNT REGULATOR
—FRONT VIEW—
REF
REF ANODE CATHODE
( 1 ) ( 2 ) ( 3 )
16
RD
20 H2
17
RG
19 H1
6
V1
18 NC
3
V2
2
17 RG
V3
1
V4
16 RD
10
V
OUT
15
19
H1
14
20
H2
13 V
SS
4
SUB
12 V
DSUB
11
11 V V
GG GG
12
V
DSUB
13
V
SS
7
VL
10
OUTPUT
V
OUT
AMP
CATHODE
3
1
2
ANODE
SSC-DC50A/54A (UC)
SSC-DC50AP/54AP/58AP (CE)