Outline Of Circuit Description; Ca1 Circuit Description - Nikon Coolpix 4300 Repair Manual

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CA1 CIRCUIT DESCRIPTION

1. IC Configuration
IC903 (ICX411AQ) CCD imager
IC904 (CXD3400N) V driver
IC905 H driver, CDS, AGC and A/D converter
2. IC903 (CCD imager)
[Structure]
Interline type CCD image sensor
Image size Diagonal 8.293 mm (1/1.8 type)
Pixels in total 2384 (H) x 1734 (V)
Recording pixels 288 (H) x 1712 (V)
Pin No. Symbol
1 Vø
4
2, 3 Vø , Vø
3A 3B
4 Vø
2
5, 6 Vø , Vø
1A 1B
9, 15 GND
10 V
OUT
11 V
DD
12 øRG
13, 20 Hø
2
14, 19 Hø
1
16 øSUB
17 C
SUB
18 V
L
Pin Description
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
GND
Signal output
Circuit power
Reset gate clock
Horizontal register transfer
clock
Horizontal register transfer
clock
Substrate clock
Substrate bias
Protection transistor bias
Table 1-1. CCD Pin Description
- E1 ･ E4300 -
10 9 7 6
8
Gb
R
Gb
R
Gb
R
Horizontal register
11
12
13 14 15
Fig. 1-2. CCD Block Diagram
Waveform
-7.5 V, 0 V
-7.5 V, 0 V, 15 V
-7.5 V, 0 V
-7.5 V, 0 V, 15 V
GND 0 V
Aprox. 10 V
DC 15 V
12.5 V, 16 V
0 V, 5 V
0 V, 5 V
DC Approx. 8 V
Approx. 8 V
DC (Different from every
CCD)
DC
VAA12901-R.3594.A
5 4 3 2 1
B Gb
B
Gr R
Gr
B Gb
B
Gr R
Gr
B Gb
B
Gr R
(Note)
Gr
20
16 17 18 19
(Note) : Photo sensor
Voltage
When sensor read-out