Service manual

EL+(V)
t(ms)
100
-100
2.8
Figure 5. EL+ Driving Signal
4.Touch panel driving signal
A 12-bit A/D converter is used to generate an interrupt request signal to Dragonball
,receive control instruction and sample and transmit touch data from Touch panel to
Dragon. See Figure 6.
Touch Panel
RIGHT,TOP,LEFT,BOTTOM
Figure 6. Taichi Touch Panel Block
A/D
EZ328
SPI
IRQ5
Main Board
7.6 Other circuitries
Audio Management
1. Audio Output