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Technical Change Note 9
CHASSIS : 20.2 DATE : 24/06/2002
SIZE : All sizes VERS : 01
Service Adjustments

In the service adjustments given in 20.2 service manual (page 22) do not include the following information.

1) Supply Voltage Adjustment
Connect a digital voltmeter to the cathode of diode D614 at the AV1 mode of the TV. Adjust the main
supply voltage with R150 potentiometer to the following values in the table below. Check the "BCL
Threshold" item in the "video" of service menu was set as table below. After supply adjustment, readjust
screen and focus voltage.
CRT size CRT name Supply Voltage BCL Threshold (Service menu)
28" A66EAK071X44 145 V +7
28" 16/9 SF W66EJU011X121 130 V +7
28" 16/9 PF W66EJY011X121 134 V +6
29" SF A68EGD038X022 133 V +7
29" PF A68QCP891X232 130 V +8
32" 16/9 SF W76EGV023X522 133 V +8
32" 16/9 PF W76EJY011X121 134 V +8
33" A80QCF340XV1 155 V +8

2) AGC adjustment