Outline Of Circuit Description - Sanyo VPC-E1W Service Manual

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CCD CIRCUIT DESCRIPTION
1. IC Configuration
The CCD peripheral circuit block basically consists of the fol-
lowing ICs.
IC903 (MN39830PMJ-A)
IC901 (AN20112A)
IC905 (AD9971BCPZRL)
2. IC903 (CCD)
[Structure]
1/2.5 inch positive pixel-type color frame-reading fixed pic-
ture elements
Optical size
Effective pixels
Pixels in total
Optical black
Horizontal (H) direction: Front 12 pixels, Rear 58 pixels
Vertical (V) direction:
Dummy bit number
Symbol
Pin No.
1, 23, 24 V V V
5R, 5L, 6
2, 3 V V
5A, 5B
V V V
1S, 2, 3R,
4, 7, 8, 9, 11
V V
3L, 4
5, 6, 10 V V V
1, 3A, 3B
14 VO
13 VDD
16
ØRG
12, 15 GND
17 PT
18 SUB SW
19
ØVSUB
21, 22 ØH ØH
1, 2
20
ØHL
CCD imager
V driver
CDS, AGC, A/D converter,
H driver vertical TG
1/2.5 type format
2864 (H) X 2160 (V)
2934 (H) X 2171 (V)
Front 6 pixels, Rear 5 pixels
Horizontal : 28 Vertical :7
Pin Description
Vertical shift register clock pulse
Vertical shift register clock pulse
Vertical shift register clock pulse
Vertical shift register clock pulse
CCD output
Power
Reset pulse
GND
Protection P well
Substrate control
Substrate clock
Horizontal shift register clock pulse
Horizontal shift register clock pulse
Table 1-1. CCD Pin Description
V
12
Pin 13
Fig. 1-1.Optical Black Location (Top View)
VDD
13
VO
14
GND
15
16
Fig. 1-2. CCD Block Diagram
Waveform
DC
DC
GND
DC
DC
– 3 –
Pin 1
5
6
H
58
ø V6
1
ø V5B
2
Photo diode
3 ø V5A
ø V4
4
ø V3B
5
6 ø V3A
7 ø V3L
ø V3R
8
9 ø V2
10 ø V1
11 ø V1S
12 GND
23 ø V5R
24 ø V5L
Horizontal shift register
17 PT
18 SUBSW
19 ø Vsub
20 21 22
Voltage
-6.0 V, 0 V
-6.0 V, 0 V, 12 V
-6.0 V, 0 V
-6.0 V, 0 V, 12 V
Aprox. 10 V
12 V
12.5 V, 16 V
0 V
-6.0 V
0, 3.3 V (When importing all
picture element: 3.5 V)
Aprox. 8 V
(Different from every CCD)
0 V, 3.0 V
0 V, 3.3 V
When sensor read-out