Epson PhotoPC 3000Z Service Manual page 52

EPSON PhotoPC 3000Z
Supply voltage
Power OFF
Play back
Power SW On-Auto power down
Power ON Shutter SW ON
Resolution, Flash, Self timer SW ON
LCD finder
Supply voltage
Power OFF
Power SW On-AUTO power
down
Take a picture
Erase image
Power ON
Download image
Continuous image
Massage from host
NOTE: P.SAVE=Power save mode, 4MHz=Main clock operation,
32KHz=Sub clock operation.
Operating Principles
Table 2-4. Camera Mode (Battery Operation)
SPARC ASIC RS232C
Lite memory
3.3V 3.3V
OFF OFF
ON ON
OFF OFF
ON ON
OFF OFF
ON ON
Table 2-5. Host Mode (Battery Operation)
SPARC ASIC RS232C
Lite memory
3.3V 3.3V
OFF OFF
OFF OFF
ON ON
ON ON
ON ON
ON ON
ON ON
Circuit
CCD
Driver
5V(A),
5V
+15V, -9V (ALWAYS)
OFF OFF 32KHz
ON OFF 4MHz
OFF OFF 4MHz
ON ON→OFF 4MHz
OFF OFF 4MHz
ON ON 4MHz
CCD
Driver
5V(A),+15V,-
5V 3.2V(ALWAYS)
9V
OFF OFF 32KHz
OFF OFF 4MHz
ON ON→OFF 4MHz
ON OFF 4MHz
ON OFF 4MHz
ON ON 4MHz
ON ON 4MHz
Revision A
8bit MODE LCD
CPU LCD MONITOR
3.2V 3.2V 5V(L)
(ALWAYS) +12V etc.
ON
ON
ON OFF
ON OFF
ON OFF
ON
8bit MODE
CPU LCD MONITOR
3.2V(ALWAYS) 5V(L)+12V etc.
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
LCD
OFF
OFF
OFF
OFF
OFF
OFF
OFF
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