2.4 Fault flow chart
Press TV and TEXT
on the remote
control.
Does the TV switch
to teletext?
Fault symptom:
Teletext does not work
Possible causes:
PCB14, Main
PCB01, Tuner
Replace PCB01,
Tuner.
Teletext OK?
Replace PCB14,
Main
Replace PCB14,
Main
Does the TV show
teletext correctly?
Check aerial
connection and TV
signal strength.
OK?
Check cable
connection
between PCB14,
Main and PCB01,
Tuner.
Fault symptom:
Cannot display video signal from
tuner (RF)
Possible causes:
PCB01, Tuner
Replace cable or re-
establish connection
Replace PCB01,
Tuner
Connect a video source to AV2 (CVBS).
1: Press MENU
2: Select CONNECTIONS
3: Select AV2
4: Remember the selected source button, e.g.
V.AUX
5: Set HDMI = OFF
6: Set YPbPr = OFF
7: Press the selected source button, e.g. V.AUX
Is the picture OK?
Go to page 2.7.
No video signal
from AV2 or AV3
(CVBS)
Fault symptom:
Poor TV picture (snow in the picture)
Possible causes:
PCB01, Tuner
Check aerial
connection and TV
signal strength.
OK?
Check TUNE AGC in
the Service Menu.
Must be set to:
BGDKI = 14
L = 13
Replace PCB01,
Tuner
No
Yes
Содержание BeoVision 10-40
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