Usb Interface Circuit; Rs232C Interface Circuit - Brother TD-4000 Service Manual
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Also See for TD-4000:
- User manual (80 pages) ,
- Software user's manual (40 pages) ,
- Gu (40 pages)
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2.3.9
USB Interface Circuit
The CPU of TD-4000/4100N is connected with a PC using the USB cable via U14 and
CN1.
U14 and CPU (U12) establishes bus connection with 8-bits to send and receive the
data.
2.3.10 RS232C Interface Circuit
The CPU of TD-4000/4100N is connected with a PC using the RS232C cable via U11
and CN3.
U11 and CPU (U12) send and receive the data through the serial port.
Figure 2.3-11 USB Interface Circuit
Figure 2.3-12 RS232C Interface Circuit
II - 17
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Troubleshooting
