Speakers Tests; Video Grabbing Test; Peripherals; Vcr Test - GE Vivid 4 BT03 RFI Service Manual

GE M S
EDICAL YSTEMS
D 2392751-100, R
IRECTION
4-3-1-2

Speakers Tests

Table 4-5
Step
1
2
4-3-1-3

Video Grabbing Test

Table 4-6
Step
1
2
4-3-2

Peripherals

4-3-2-1

VCR Test

Table 4-7
Step
1
2
3
4
5
4-4
3
EVISION
Speakers Test
Task
Run the audio diagnostic, as described in the
(Doppler Sound Driver) Diagnostic Test
Change the frequency and speaker activity, from right
to left.
Video Grabbing Test
Task
Connect the Y/C OUT to the Y/C IN and run the video
grabbing calibration, as described in
Calibration on page 6 - 14.
Examine the grabbed image.
VCR Test
Task
Connect a Sony 9600 VCR to the system, restart the
system and load an SVHS cassette.
Connect a 3S probe. Reset the VCR counter and press
the VCR Record button using the indicated soft keys as
displayed on screen.
Activate CW Mode and record 2 minutes of heart
scanning or a similar effect using a phantom.
Stop recording and press the Play B. button, then use
the Rewind soft key to rewind the cassette to the
beginning before pressing the Play soft key.
Section 4-3 - Functional Check
Audio
on page 7 - 71.
Verify that there is clear sound from both speakers at all
frequencies. Note that right and left are as seen when
standing behind the unit.
Video Grabbing
Verify that the grabbed image is stable and has similar
grey levels to that of the reference image.
Verify that all the following cables are connected:
SVHS In/Out, Audio In/Out and RS232.
Verify that the recording indicator (red dot) is displayed
on-screen and the tape counter is running on-screen.
Record 2 minutes of CW scanning.
The recorded Image is played back.
Verify that in CW Mode both the left and right audio
channels are working, and that the played back audio
is similar to the recorded audio in both the left and right
speakers.
V ™ 4 S
IVID ERVICE
Expected Result(s)
Expected Result(s)
Expected Result(s)
M
ANUAL