Outline Of Circuit Description - Sanyo IDC-1000ZE Service Manual

3. OUTLINE OF CIRCUIT DESCRIPTION

3-1. CA1 CIRCUIT DESCRIPTION
Around CCD block
1. IC Configuration
IC903 (ICX267)
IC902, IC904, IC908 (74ACT04MTC)
IC907 (CXD3400N)
IC905 (AD9803)
2. IC903 (CCD)
[Structure]
Interline type CCD image sensor
Optical size
Effective pixels
Pixels in total
Actual pixels
Optical black
Horizontal (H) direction: Front 2 pixels, Rear 40 pixels
Vertical (V) direction:
Dummy bit number
V
2
Pin 11
Fig. 1-1.Optical Black Location (Top View)
Pin No.
Symbol
1 V
1
2, 3 V V
2A, 2B
Vertical register transfer clock
4 V
3
5, 6, 8,
NC
14, 16
GND GND
7, 9, 12
10 V Signal output
OUT
Circuit power
11 V
DD
Substrate clock
13 SUB
C
15
SUB
17 V Protection transistor bias
L
18
RG
19 H
1
20 H
2
CCD imager
H driver
V driver
CDS, AGC, A/D converter
1/2 type
1392 (H) 1040 (V)
1434 (H) 1050 (V)
1360 (H) 1024 (V)
Front 8 pixels, Rear 2 pixels
Horizontal : 20 Vertical : 3
Pin 1
2
8
H
40
Pin Description
Vertical register transfer clock
Vertical register transfer clock
Substrate bias
Reset gate clock
Horizontal register transfer clock
Horizontal register transfer clock
Table 1-1. CCD Pin Description
8 7
10 9
11 12 13 14
Fig. 1-2. CCD Block Diagram
Waveform
GND
DC
DC
DC
– 9 –
6 5 4 3 2
G B G B
R G R G
G B G B
R G R G
B
G B G
R G R G Note
Horizontal register
15 16 17 18 19
Note: Photo sensor
Voltage
-8.0 V, 0 V
-8.0 V, 0 V, 15 V
-8.0 V, 0 V
0 V
Aprox. 7 V
15 V
Different from every CCD
Different from every CCD
-8 V
12 V, 17 V
0 V, 5 V
0 V, 5 V
When sensor read-out
1
20