Acer AL2671W Service Manual page 21

Display Electrical and Functional Specificatons
This LCD TV shall have the ability to operate under following range with stable blue color of LED
indicated. Any signal outside of the limits ( any combination ) shall not cause any damage to the unit or
driving source. The range of operation is:
CVBS and Y/C:
PAL ( 4.43 M , 50 Hz ) B?G?D?K?H?I, PAL ( 4.43 M , 60 Hz )
SECAM D?K
NTSC ( 3.58 M ), NTSC ( 4.43 M ), Japan ( 50 Hz )
TV Systems:
PAL and SECAM system Receivable
Full frequency range From channel E2 ( 48.25 MHz ) to channel E69 ( 855.25 MHz )
YUV inputs:
YcbCr ( 480i )
YPbPr ( 480p?1080i?720p )
VGA and DVI-D inputs:
Horizontal input frequency range: 30k Hz to 70k Hz
Vertical input frequency range: 56 Hz to 85 Hz
Max. Resolution: 1280 x 768
Down Scaling support: 1152 x 870 75 Hz
The LED shall indicate blue color and OSD will show " Out of Range " message within 5 seconds after signal is
out of range or down scaling support from selected input.
This LCD TV shall catch signal sources from TV?AV1?RGB?AV2?YUV?AV3?VGA and DVI-D automatically
during power up, which it is unnecessary to select inputs from OSD or hot keys. The priority to catch signal
sources shall be 1st) User selected source from hot key or OSD, 2nd) Last source used, 3rd) TV input ( last
power down channel), 4th) AV1 RGB input, 5th) AV1 S input, 6th) AV1 CVBS input, 7th) AV2 RGB input, 8th)
AV2 S input, 9th) AV2 CVBS input, 10th) AV2 YUV, 11th)AV3 input ( Set to be input from OSD ), 11th) VGA
input, 12th) DVI-D input. The LCD TV shall complete selection and show media on screen within 5seconds (
including Auto Adjust ).
The OSD will show " No Signal " within 3 seconds while there is missing signal from selected input.
The OSD will show " No VGA Connection " within 5 seconds while VGA input is selected but has no
connection on VGA port.
The OSD will show " Go Into Power Save " within 5 seconds after meet condition of power saving mode.
This LCD TV shall go into power saving state in 5 seconds later of showing " Go Into Power Save ". The LED
shall indicate orange color during power saving mode.
The AV1 input supports both of S-video and CVBS video inputs. If both of the S-video and CVBS video inputs
are connected with cables, the S-video input takes priority.
Chapter 1
1280 x 960 60 / 85 Hz
1280 x 1024 60 / 75 / 85 Hz
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