HP PageWriter XL M1705B Service Manual page 133

Table 6-2. Power Supply and Battery (continued)
Symptom
Cardiograph doesn't run on
4C, but runs on battery.
Cause
Corrective Action
Voltage selector switch set to wrong
Set switch to correct voltage.
voltage.
AC fuse is blown.
Replace AC fuse.
ACON connector (58) not plugged Plug in ACON connector.
in.
Rectifier assembly, transformer, AC Check for VMAIN and replace
switch, power line module, or power
appropriate assembly to restore
cord defective.
VMAIN.
VIN fuse (Fl) is blown.
Check for VMAIN and VIN. If VIN is
not present, replace CPU assembly.
Input protection transorb is Check for VMAIN. If not present,
defective.
replace CPU assembly.
Cardiograph won't power up
User interface cable is defective.
Replace the user interface cable.
In AC or battery.
Keyboard circuit board is defective.
Replace the user interface assembly.
VBACK regulator is defective.
Replace CPU assembly.
$5 volt regulator is defective.
Replace CPIJ assembly.
3attery charge level inclicator Battery not fully charged.
With unit plugged into AC power, turn
lever indicates full capacity.
on unit and observe battery level
indicator. If all green lights are on,
battery is fully charged. If some green
lights are not on, battery needs further
charging.
Battery is defective.
Replace battery.
Keyboard circuit board is defective.
Replace the user interface assembly.
Battery fuse (F2) or VIN fuse (Fl)
Replaces fuse(s).
(or both) defective.
Battery charger is defective.
Replace CPU assembly.
CPU assembly is defective.
Replace CPU assembly.
Indicator is not updated.
Connect to AC power and power on.
Battery charge level indicator
Keyboard circuit board is defective.
Replace user interface assembly if
always indicates full capacity
Extended Self-test, keyboard test shows
on AC power with battery.
LED is out.
Battery is defective.
Replace battery.
Battery fuse (F2) is open.
Replace fuse.
CPU assembly is defective.
Replace CPU assembly.
Note ,I
t?
Only the I\/I1700A and M1701A patient modules feature a display and
.
a start button.
6-10 Troubleshooting