17
PIN
SIGNAL
1
GND
2
LEFT AUDIO CHANAL
3
RIGHT AUDIO CHANAL
4
GND
5
GND
Audio interface
（
Only for V241a
）
5.4 Panel testing
The ratio of valid pixels on each LCD screen reaches 99.99% or higher. However, less than 0.01% of the
pixels may cause dark dots displayed on the screen.
