LG X-SHOT LDC-A310, Service Manual

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3. OUTLINE OF CIRCUIT DESCRIPTION
3-1. CP1 CIRCUIT DESCRIPTION
1. IC Configuration
IC903 (ICX432JQ) CCD imager
IC904 (CXD3440EN) V driver
IC905 H driver, CDS, PGA and A/D converter
(HD49335NP01)
2. IC903 (CCD imager)
[Structure]
Interline type CCD image sensor
Image size Diagonal 6.67 mm (1/2.7 type)
Pixels in total 2140 (H) x 1560 (V)
Recording pixels 2064 (H) x 1541 (V)
Fig. 1-1. CCD Block Diagram
Pin No.
1
Symbol
2, 3
8, 7, 4
5, 6
9, 13
10
11
12
17
18
Vø
6
Vø
1,
Vø
2,
Vø
4
Vø
3A,
Vø
3B
GND
V
OUT
V
DD
øRG
Hø
2
Hø
1
Pin Description
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Horizontal register transfer clock
Reset gate clock
Horizontal register transfer clock
GND
Signal output
Circuit power
Waveform
DC
Voltage
-7.5 V, 0 V
-7.5 V, 0 V, 15 V
-7.5 V, 0 V
-7.5 V, 0 V, 15 V
15 V
0 V, 3.0 V
0 V, 3.0 V
Table 3-1. CCD Pin Description
GND 0 V
Aprox. 10 V
13.0 V, 16 V
When sensor read-out
Vø
5A,
Vø
5B
(Note)
(Note) : Photo sensor
8 1
16 17 18
2 3 4 5 6 7
13 14 15
Gb B
R
Gb
R
Gb
Gr
B
Gr
B
B
Gr
B
Gr
R
Gb
R
Gb
Gb
B
R Gr
R
Gr
9
10
12
11
V
DD
GND
C
SUB
V
L
GND
V
OUT
Gb
R
B
Gr
Gb
R
B
Gr
Horizontal register
Vertical register
14
15
16
C
SUB
V
L
Substrate bias
Substrate clock
Protection transistor bias DC
øSUB
DC
Approx. 9 V DC
Approx. 9 V
(Different from every CCD)