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?
17
Summary of Contents for AL1702
Page 1: ...Acer AL1702W Service Guide 1 ...
Page 9: ...LCD Monitor General Specification 9 ...
Page 10: ...10 ...
Page 11: ...LCD Panel Specification General Specifications Mechanical Information 11 ...
Page 12: ...Optical Specifications 12 ...
Page 13: ...Supported Timing 13 ...
Page 19: ...Adjusting the viewing angle 19 ...
Page 20: ...Rear Bezel Item Description Item Description 1 Power Cable 2 Signal Cable 20 ...
Page 22: ...Front Panel Control 22 ...
Page 24: ...b The Description For Function Control LEDS 24 ...
Page 25: ...25 ...
Page 29: ...Fig 3 2 Remove the screws to remove the back cover Fig 4 Fig 4 29 ...
Page 30: ...3 Remove the screws to remove the shield Fig 5 Fig 5 4 Remove the bezel Fig 6 Fig 6 30 ...
Page 31: ...5 Remove the screws to remove the panel Fig 7 9 Fig 7 Fig 8 Fig 9 31 ...
Page 33: ...Fig 12 33 ...
Page 40: ...Exploded Diagram Model AL1702W 40 ...
Page 42: ...5 Power Board 6 Main Board 42 ...