Tektronix TDS 340A

Troubleshooting
6–46
TDS 340A, TDS 360 & TDS 380 Technical Reference
No
Yes
Use this procedure to
determine if a problem is
caused by the Main board or
the Option Module.
Does the printer
print a copy of the
screen?
No
Yes
Is
the voltage at
the end of the
connector > 6.5 V?
Secure the
connector.
Replace the I/O
interface.
The I/O interface
module is OK.
Connect a printer to the Centronics port
and the printer power source. Set up the
Utility I/O menu for Hcp Port Centronics
and Hcp Format to match the printer.
Press the HARDCOPY button.
Connect the printer power cable to
the printer power connector.
Connect a VGA compatible monitor
the the I/O interface VIDEO
connector.
No
Yes
Is
the display
on the external
monitor stable and
legible?
No
Yes
Is
connector P4
secured to the
power supply?
No
Yes
Is
connector P60
secured to the
Main board?
Secure the
connectors.
Replace the I/O
interface.
No
Yes
Is connector P703
secured to the
Main board?
Secure the
connectors.
Replace the I/O
interface.
No
Yes
Does
the printer print a
copy of the
screen?
No
Yes
Is
the display
on the external
monitor stable and
legible?
Replace the Main
board.
Replace the Main
board.
Figure 6–32: Option 14 I/O interfaces troubleshooting procedure