Philips PageWriter TC70 - Display Issues

Troubleshooting Troubleshooting Cardiograph Issues
3-4 PageWriter TC 70 Cardiograph Service Manual
Display Issues
Table 3-1 Display Issues
Symptom Possible Cause &
Investigation Step
Solution
Screen is dark and
shows no image
Cardiograph is in standby.
Cardiograph battery is
extremely low.
1 Press the On/Standby button.
Confirm the cardiograph
wakes up.
2 Connect cardiograph to AC
power and press the
On/Standby button.
3 User training on proper use
of Standby.
Power issue: AC Power
AC is applied but AC Power
On indicator LED is dark.
1 Inspect AC power
connections.
2 Ensure AC cord is not
damaged and is plugged into
appropriate live AC power
socket.
3 Ensure AC Adaptor’s power
cable is connected to the
power input connector on the
back of the cardiograph.
Power issue: Battery
AC is not attached and the
battery is inserted into the
cardiograph. Push the On/
Standby
button. The screen
remains dark.
1 Open battery compartment
door and inspect battery
condition.
2 Ensure that the battery strap
is fully extended before
installing the battery.
3 Replace battery.
Display assembly failure Cardiograph must be serviced to
replace display assembly.
Contact the Philips Response
Center.
Main board failure Cardiograph must be serviced to
replace main board. Contact the
Philips Response Center.