Epson PhotoPC 3000Z Service Manual page 40

EPSON PhotoPC 3000Z
Pin No. Symbol
V φ
1
V φ
2, 3
3A,
V φ
4
V φ
5, 6
1A,
9, 15 GND
10 V
OUT
11 V
φ RG
12
H φ
13, 20
H φ
14, 19
φ SUB
16
17 C
SUB
18 V
Operating Principles
Table 2-2. CCD Pins Explanation
Pin Description
Vertical resister transfer clock
4
V φ
Vertical resister transfer clock
3B
Vertical resister transfer clock
2
V φ
Vertical resister transfer clock
1B
GND
Signal output
Circuit power supply
DD
Reset gate clock
Horizontal resister transfer clock
2
Horizontal resister transfer clock
1
Substrate clock
Substrate bias
Protection transistor bias
L
Waveform
GND
-
DC
DC
DC
DC
NOTE: "---" when sensor read-out
Circuit
Revision A
Voltage
-7.5V, 0V
-7.5V, 0V, 15V
-7.5V, 0V
-7.5V, 0V, 15V
0V
Approx. 10V
15V
12.5V, 16V
0V, 5V
0V, 5V
Approx. 8V
Approx. 8V
(Different in each CCD)
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