Sonoscape S6

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
^ Startup Problems
Problem
Symptoms
Suggested Solutions
Unable to turn the
system on
There is no response after
pressing the power button.
The keyboard is not illumi-
nated.
Check the following items: the power cord is
correctly connected; the mains power switch
on the back panel is switched on; the input
voltage level meets the requirement.
Check if the fuse is blown out.
If nothing abnormal is found in the previous
checks, replace the power supply.
Prompt for pass-
word
After POST, a prompt for
password appears.
Check for any stuck keys, clean the dust on
keyboard.
LILO–Keytable
read/checksum
error appears
after startup
The message is displayed
after POST.
Check keyboard and HDD for any defects.
Update software if necessary.
System freezes at
40% booting up
The system freezes at the
40% loading screen.
Most likely to be caused by a faulty DBF
board.
Unable to turn the
system on
Power switch and monitor
LED indicator are illumi-
nated. The keyboard lights
flash once after the power
button is pressed, the sys-
tem is not turned on.
Check for any burning smells from DBHV,
DBTR, power supply and etc.
Auto shutdown
The system auto reboots at
the 95% loading screen.
Check for the DBF board and the Mother-
board malfunctions.
Check for bad connections of USB and power
supply.
Brown screen af-
ter system boot-
ing up - I
A brown screen, with the
message: "Verification er-
ror", appears after startup.
Restart the system always
leads to this error: "SVF:
open data file error."
It’s most likely caused by the DBF board mal-
function.
POST failure
System fails the power on
self test. Unable to turn off
the system normally.
Check if it’s caused by a faulty DBF board by
disconnecting the USB cable attached to the
DBF board.
Black screen
The system freezes at a
black screen after startup.
Long-press the power button to turn the sys-
tem off. Restart the system. If the same prob-
lem occurs even after restarting several times.
Reinsert the RAM or replace it if necessary.
Unable to enter
Linux interface
The following message ap-
pears on the screen after
showing the logo:
Mandrake Linux release
9.1 (Bamboo) for i586 ker-
nel 2.6.8.1-12 mdklcustom
on an i686/tty4 localhost
login:"
Update the software.
continued on next page
P/N: 4720-0034-01A
10-7