Service manual

Ultraview 1030/1050 Monitors — Service Manual
5-19
Troubleshooting
Audio Line Output Troubleshooting
1 Independently verify the operation of the equipment being connected to the audio line output.
Replace it if necessary.
2 Run the audio diagnostic (refer to Diagnostic Menus on page 5-6). If it fails, replace the CPU
PCBA.
3 If the external equipment is known to work correctly, enable the key tones on the monitor and
press several touchscreen keys. If tones are not heard through the internal speaker, replace
the CPU PCBA. If tones are heard, inspect the interconnect PCBA and I/O bay PCBAs. If any
connectors or parts on either of these assemblies appear damaged, replace the damaged
assembly.
Audio Line Input Troubleshooting
1 Independently verify the operation of the equipment being connected to the audio line input.
Replace it if necessary.
2 If the external equipment is known to work correctly, inspect the interconnect PCBA and I/O bay
PCBAs. If any connectors or parts on either of these assemblies appear damaged, replace the
damaged assembly.
3 If this does not correct the problem, replace the CPU PCBA.
Battery Troubleshooting
The 1030/1050 Monitor can assist in troubleshooting failed batteries in several ways. It can detect
gross failures, such as shorted and weak batteries and batteries that cannot hold a charge. It
cannot detect all battery failure modes. To debug a problem battery, run the following tests:
Battery Charging Test
1 Install one or two suspect batteries.
2 Power the monitor from the AC power supply and switch the monitor OFF; the front panel LED
will be ON or blinking.
3 Let the batteries go through a complete charge cycle: for batteries that are initially charged, wait
for at least 1 hour and 40 minutes; for batteries that are initially uncharged, wait for at least
3 hours.
4 Look at the front panel LED. If a faulty battery is detected, the front panel LED will alternate
between blinking for 1 second and staying ON for 1 second.
5 If more than one battery is installed, switch the unit ON in order to find out which battery is bad.
Wait for at least 60 seconds after the unit is fully booted and then look for a message regarding
battery A or B failure. Replace the bad battery or batteries.
Note:
The Single Battery Test is no longer supported and is not recommended for use.