Bixolon SRP-350 User Manual

Rev. 2.01

- 59 -

SRP-350/352plusA&C

7-9 USB2.0 Communication Problem

Main PBA I/F

Failure?

End

1. Check the Control Line & Signal

(/CS_U,/RD,/LWR,USB_/IRQ)

2. Check the Data Line and Signal

3. Check the Connector (34P)

4. Check the Clock (30MHz)

5. Check the related Circuit & Pattern on Main PBA

USB

Problem

Reverse Mode

Failure?

1. Check the Clock (30MHz)

2. Check the Host whether it works correctly

3. Check the USB Cable whether it is open or shot

4. Check the related Circuit & Pattern on Main PBA