Zoom G2.1u Service Manual page 10

4. Panel block
5. USB Power Supply block
USB Power Supply
USB BUS Power
6. USB block
AK4552VT-E2
STATIC KEY (x 7)
STATIC LED (x 5)
DINAMIC LED (x 6)
ROTARY ENCODER (x3)
11 click VOLUME (x1)
7segment LED (x 1)
All LEDs are lit under the control of the CPU.
· +5.0 USBV for the Power supply block.
· +3.3 USBV for the USB block.
· +5.0 VO for the USB block.
Sampling frequency 48 kHz
System Clock 12 MHz
A/D 2-channel
16-Bit Delta-Sigma ADC and DAC
D/A 2-channel
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