10-4 Troubleshooting of Regular Malfunctions
5
IO board
10.3.2 Key Points Supporting Troubleshooting
No.
Key Points Supporting Troubleshooting
Remarks
1
Image feature, including dark strips and noise
2
Images appearance when contact occurs between different
types of probe in different interface of probe socket.
10.3.3 Troubleshooting
No.
Fault
Description
Cause Analysis
Measure
1
NO echo signal
in ultrasonic
image region
The probe can
be identified but
no echo.
Main board , power supply module or
probe board may be fail;
Confirm the faillure cause by
replacing main board,
power supply module or
probe board.
2
Dark strips
display on B
image
Probe malfunction, e.g. array element
damage etc.
Confirm by connecting another probe.
Replace the probe.
If several similar dark strips appear in the
image.
Replace the main board or
probe board.
If dark strips appear, also after changing the
probe socket, dark strips disappear or
change the place.
Replace the probe board.
3
Noise appears
in B image
Probe malfunction, e.g. array, rear board,
air bubbles and cable shielding etc.
Confirm by connecting another probe.
Replace the probe.
There are other electrical equipment
working in the power grid, which introduces
the common-mode interference to the
probe. Displays ripple-shaped interference
signal on the image
Confirm the cause of
failure by turning off
electrical equipment of all
peripherals connected to
the system.
4
4D abnormality
If the abnormality happens to probe, such
as the array, the backing, bubbles and the
cable shield, it can confirm by replacing the
probe.
Replace the probe
Содержание Z6
Страница 2: ......
Страница 14: ......
Страница 16: ...2 2 Product Specifications Left side 9 4 7 5 6 8 ...
Страница 72: ......
Страница 119: ...Structure and Assembly Disassembly 7 35 图 7 59 Disassembly of Speaker 8 ...
Страница 120: ......
Страница 132: ......
Страница 142: ......
Страница 152: ......
Страница 168: ......
Страница 171: ...Phantom Usage Illustration B 3 ...
Страница 172: ......
Страница 173: ...P N 046 010452 00 5 0 ...