Perfecttune Ii (Formerly Fga, Factory Gamma Alignment); Audio - Philips 220V3SB/00 Service Manual

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220V3 LCD
3.16 PerfectTune II
A. PerfectTune must be done after warming 30 minutes at least.
B. PerfectTune must be performed after Auto Color.
C. PerfectTune must be conducted through DVI or scaler embedded patterns.
D. Delta E < 2.5

3.17 audio

3.17.1 Frequency Response
3.17.2 Total Harmonic Distortion
3.17.3 Power Handling
3.17.4 Audio Amplifier
3.17.5 Volume Control
(formerly FGA, FACTORY GAMMA Alignment)
The amplifier and speaker combination shall provide a frequency response of 300 Hz
to 20 kHz, with +/- 3 dB variation over the entire response range.
Total harmonic distortion shall be limited to 5% THD at the maximum wattage
speaker rating specified in section 1.3, at 1 kHz, when the input is 1.0Vrms.
Each speaker transducer shall accept up to the specified Wattage of audio power
without damage or exceeding the frequency response and total harmonic distortion
specifications.
The amplifier shall provide two channels of audio up to 1.5 Watts per channel from
100 Hz
to 20 kHz, based upon an audio signal input of 1.0V RMS per channel.
For monitors with a manual volume control, the direction (at the bottom) of the
bezel volume control is "-" key for Minimum volume and "+" key for Maximum
volume. The default shipping position of the Volume Control shall be approximately
80%.