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Bang &Olufsen
Horizontal
synchronisation
Horizontal centring
Picture width
Vertical centring
Beak height
East/West correction
Chroma bandpass filter
(PAL TV's, IC 7305 =
TDA4510)
Chroma bandpass filter
(PAL/SECAM TV's,
IC 7306 = TDA4650)
Chroma reference
oscillator
1
5-2
ADJUSTMENTS ENGLISH
Connect pin 5 on IC 7470 to pin 9 on IC 7470.
Connect a signal to the aerial input, and set the TV to receive the
signal.
Adjust potentiometer 3457 until the picture is strait.
Remove the interconnection.
Adjust with potentiometer 3461.
Adjust with potentiometer 3525 (on module 09 Video output).
Adjust with potentiometer 3516.
Adjust with potentiometer 3504.
Adjust with potentiometer 3521 (on module 09 Video output).
Connect a PAL colour bar signal to the aerial input.
Set the TV to receive the signal.
Adjust coil 5301 to correct colour in the colour bar.
Connect
a SECAM colour bar signal to the aerial input.
Set the TV to receive the signal.
Adjust coil 5301 to correct colour in the colour bar.
Connect a PAL colour bar signal to pin 20 of the AV1 connector.
Select AV1 in the "Input" menu.
:
|
Connect pin 11 on IC 7305 (TDA 4510) to ground (PAL TV's), or
:
connect pin 17 on IC 7306 (TDA4650) to ground (PAL/SECAM
TV's).
Adjust capacitor 2313 to obtain minimum colour roll in the colour
bar.
Remove the interconnection.
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