Outline Of Circuit Description - Sanyo VPC-SX500EX Service Manual

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CA1 CIRCUIT DESCRIPTION
Around CCD block
1. IC Configuration
IC903 (ICX245)
IC902 (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
V V
2, 3
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
1/2 inch format
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
9 8 7 6 5
10
G B
R G
G B
R G
G B
R G
Horizontal register
11
12 13 14 15 16
Fig. 1-2. CCD Block Diagram
Waveform
-8.0 V, 0 V
-8.0 V, 0 V, 15 V
-8.0 V, 0 V
GND 0 V
Aprox. 7 V
DC 15 V
DC Different from every CCD
Different from every CCD
DC
-8 V
12 V, 17 V
0 V, 5 V
0 V, 5 V
4 3 2 1
G B
R G
G B
R G
B
G
R G Note
17 18 19 20
Note: Photo sensor
Voltage
When sensor read-out