Outline Of Circuit Description - Sanyo VPC-SX 560EX Service Manual

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CA1 CIRCUIT DESCRIPTION
Around CCD block
1. IC Configuration
IC903 (ICX267)
IC902, IC904, IC908 (74ACT04MTC)
IC907 (CXD3400N)
IC905 (AD9840)
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
4 V
3
5, 6, 8,
NC
14, 16
GND
7, 9, 12
10 V
OUT
11 V
DD
13 SUB
15 C
SUB
17 V
L
18
RG
19
H
1
20
H
2
CCD imager
H driver
V driver
CDS, AGC, A/D converter
Diagonal 8 mm (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
Vertical register transfer clock
GND
Signal output
Circuit power
Substrate clock
Substrate bias
Protection transistor 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
– 2 –
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
Note
R G R G
Horizontal register
17 18
15 16 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