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3.1.4 USB/CARD circuit
1. USB/CARD circuit is shown as in the following figure 3.1.4.1:
Figure 3.1.4.1 usb/card circuit diagram
J902
USB JACK
J901
USB JACK
USBP2
USBM2
USBP1
USBM1
U901
ADG713
Add usb switch
USBM
USBP
MT1389
USB_SWITCH
214
47
48
FOSO
FMSO
TRSO
DMSO
A B C D E F RFO
IOA
LDO2
LDO2
MD11
Switch circuit
APC circuit
Main axis control
detect circuit
Main axis electric machine
Feed electric
machine
CN101
BA5954
MT1389
Disc in/out
circuit
TK-
TK+
FC+
FC-
SL+
SL-
SP-
SP+
1
23
6
26
15
16
14
13
17
18
12
11
Figure 3.1.3.1 Servo circuit block diagram
3.1.3 Servo circuit
1.
Servo circuit
block diagram is shown as in the following figure 3.1.3.1: