Sound Related Requirements; Picture Shifting; Pc Picture Auto Adjustment Function; Esp (Energy Saving Programmability) - Philips BDL4230E/00 Service Manual
42 inch fhd lcd public display
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- Specifications (3 pages) ,
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4.3.2 Sound related requirements
Volume control - Should be gradual change of sound level from zero to maximum output.
Soft mute -
AC plug in/out, standby on/off, channel change, mute on/off.
Lip Sync -
Rattling -
4.4
Picture Shifting
On mode :
Off mode : Don't execute the burn-in prevention program.
4.5
PC Picture Auto Adjustment Function ----- D-Sub input
Perfect Front Of Screen after auto adjustment.
Perfect FOS : Full Screen, w/o flash & unstable status at any picture.
When a new VGA source is detected, then automatically an auto adjustment should be performed.
The "Auto" button on the remote control will act as a manual button for auto adjustment
4.6
ESP (Energy Saving Programmability)
Limit the time the Display can be ON after the last interaction with a user. It is provided to allow the Lodging
establishment to limit the time the display remains activated once a Guest has checked-out of his room.
Range: Off, 1,....99 (hours).
4.7
Light Sensor
The lighter sensor measures the outside brightness according to different environments and sends the
information to display. Display will adjust the brightness automatically.
With lighter condition (Outdoor/Sun-light) the brightness will increase; in the opposite condition, the
brightness will be decreased to fit darker environment.
Light sensor detects the change of illumination outsiee, then it send the signal to MCU via Iˆ2C interface.
MCU will ask inverter to switch the brightness if the outside illumination was change over the default.MCU
will transmit PWM signal to the inverter, amd the inverter will change the brightness of panel.
General Product Specification
A short and gradual increase of the sound to prevent the pop sound during
-20 to +40 ms
No distortion / rattling at 80% max volume
To detect A,B,C,D,E to judge the picture content.
Same picture content: to execute the burn-in prevention program.
Different picture content: don't execute the burn-in prevention program.
BDL4230E LCD
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