19" LCD Color Monitor
AOC 197Va
12
1) MCU initialize.
2) Is the EPROM blank?
3) Program the EPROM by default values.
4) Get the PWM value of brightness from EPROM.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EPROM.
Turn on the LED and set it to green color.
Scalar initializes.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are there any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappear.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?
Summary of Contents for 197Va
Page 22: ...19 LCD Color Monitor AOC 197Va 22 8 PCB Layout 8 1 Main Board...
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Page 25: ...19 LCD Color Monitor AOC 197Va 25 8 2 Power Board...
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Page 28: ...19 LCD Color Monitor AOC 197Va 28 8 3 Key Board 8 4 Audio Board...
Page 36: ...19 LCD Color Monitor AOC 197Va 36 11 Monitor Exploded View...