Outline Of Circuit Description - Sanyo VPC-HD1 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.
IC901 (MN39727PMJ-A)
IC932 (AN20111A)
IC931 (AD9942BBCZ)
2. IC901 (CCD)
[Structure]
1/2.5 inch positive pixel-type color frame-reading fixed pic-
ture elements
2 channel output
Optical size
Effective pixels
Pixels in total
Optical black
Horizontal (H) direction: Front 58 pixels, Rear 0 pixels
Vertical (V) direction:
Dummy bit number
Symbol
Pin No.
1, 2, 7, 8, V V V V
1B, 2, 3B, 4,
10, 11, 20 V V V
7B, 7R, 8
3, 9, 12 V V V
1A, 3A, 7A
V V V
4, 5, 19
5B, 5R, 6
6
V
5A
GND, GND1,
13, 17, 26
GND2
14
SUB
15, 28 VDD1, VDD2
16, 27
VOL1, VOL2
18 SUB SW
21 HL
22 H
1
23 H
2
24
R
25
PT
CCD imager
V driver
CDS, AGC, A/D converter,
H driver, vertical TG
1/2.5 type format
2612 (H) X 1954 (V)
2728 (H) X 1966 (V)
Front 6 pixels, Rear 6 pixels
Horizontal : 28 Vertical :5
Pin Description
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
GND
Substrate clock
Circuit power
Signal output
Substrate control
Horizontal register transfer clock
Horizontal register transfer clock
Horizontal register transfer clock
Reset gate clock
Protection transister bias
Table 1-1. CCD Pin Description
V
H
58
Pin 15
Fig. 1-1.Optical Black Location (Top View)
VO1
16
VDD1 15
GND1
17
Horizontal shift register 1 Horizontal shift register 2
Fig. 1-2. CCD Block Diagram
Waveform
GND
DC
DC
DC
DC
– 3 –
Pin 1
6
H
6
58
ø V8
1
Photo diode
ø V7B
2
3 ø V7A
4 ø V6
5 ø V5B
6 ø V5A
7 ø V4
ø V3B
8
9 ø V3A
10 ø V2
11 ø V1B
12 ø V1A
19 ø V5R
20 ø V7R
14 SUB
18 SUBSW
25 PT
13 GND
27 VO2
28 VDD2
26 GND2
24
21 23
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
0 V
Aprox. 6 V
(Different from every CCD)
12 V
Aprox. 12 V
0, 3.4 V (When importing all
picture element: 3.4 V)
0 V, 3.4 V
0 V, 3.4 V
0 V, 3.4 V
4.2 V, 9.0 V
-6 V
When sensor read-out