Alignments
8.
8.
Alignments
8.1
How to Put the Set into Factory Mode
•
Turn down the volume to “0” by pressing “VOL-” button on
the set (front panel), followed by “DISPLAY” button on the
remote control.
•
Press the “OK” button on the remote control.
•
Press the “CH+” or the “CH-” button to select the parameter
you want to adjust.
•
Press the “VOL+” or the “VOL-” button to adjust the
selected parameter.
•
To put the new values into the memory, leave the factory
mode with the “MENU” button on the remote control.
8.2
Adjustment of the B+ (BAT) voltage
1.
Apply the Philips standard test pattern to the RF input.
2.
Connect a DC voltmeter (range >200 V) to ground and
jumper J809 [1].
3.
Adjust potentiometer VR840 [2] in STANDARD mode in
such a way the voltage reading is 120
±
2.5 V.
Note:
in sets where VR840 is not present, this voltage cannot
be adjusted. In case the voltage is out of range, the defective
part(s) should be located and replaced.
Figure 8-1 Test pin & potentiometer position
H_176
3
0_016.ep
s
271107
1
2
1
1
