15
Remark:
1) MCU initializes.
2) Is the EEPROM blank?
3) Program the EEPROM by default values.
4) Get the PWM value of brightness from EEPROM.
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 EEPROM.
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
disappears.
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?
Содержание AL1917
Страница 1: ...Acer AL1917 Service Guide ...
Страница 11: ...10 Optical Specifications Measuring Condition Ta 25 C ...
Страница 15: ...14 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...
Страница 27: ...26 Fig 2 Fig 3 Fig 4 ...
Страница 28: ...27 Disassemble the rear bezel 1 Remove four screws mark in red to remove back cover Fig 5 7 Fig 5 Fig 6 ...
Страница 31: ...30 Fig 11 5 Remove one screws mark in red to remove Key board Fig 11 12 Fig 11 Fig 12 ...
Страница 33: ...32 Fig 15 Fig 16 Fig 17 Top Top bottom bottom ...
Страница 41: ...agram ...
