81GF-66E
10- 10- 10- 10- 10- VERTICAL AMPLITUDE
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, vertical size of picture increases.
c) When volume-down button is pressed, vertical size of picture decreases.
d) Adjust the vertical size to obtain overscan (fig. 11).
Fig. 11
11- 11- 11- 11- 11- S-CORRECTION
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, upper and lower scanning decreases, and
center scanning increases.
c) When volume-down button is pressed, upper and lower scanning increases,
and center scanning decreases.
d) Adjust the S-CORRECTION to obtain a balance between upper, lower andFig. 12
center (fig. 12).
12- 12- 12- 12- 12- VERTICAL SHIFT
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, picture moves up.
c) When volume-down button is pressed, picture moves down.
d) Adjust the horizontal location to obtain picture centering (fig. 13).
Fig. 13
COLOUR ADJUSTMENTCONTRAST ADJUSTMENT
The following adjustments are only required when Picture Tube,Up/Down volume buttons are used to adjust the contrast
IC801 or IC1801 are changed:of the following items:
-TELETEXT MIX MODE CONTRAST.
1. RED CUT OFF / GREEN CUT OFF / BLUE CUT OFF
-TELETEXT CONTRAST.
1.1 Adjust G2.
-OSD CONTRAST.
1.2 Tune a white card.
1.3 Adjust colour to minimum.
DVCO ADJUSTMENT (PAL)
1.4 Position colourimeter in the center of screen.
a) Receive Philips pattern signal.
1.5 Adjust brightness and contrast to obtain a luminance of H20
b) When Stand-by button is pressed (Remote Control
NITS.
Unit), start
1.6 Operate in Service Mode and select location RED CUT OFF /
GREEN CUT OFF / BLUE CUT OFF, to obtain colourDVCO ADJUSTMENT (NTSC)
coordinates:
Adjust not required.
X=0.290 ? 0.015 Y=0.300 ? 0.015
AUTO INSTALLATION OFF/ON
To increase press volume-up button and to decrease press
When ON is selected, the TV will perform the autoinstallation
volume down button.
sequence as soon as service mode is removed.
RED CUT OFF alter ?X? coordinate.
GREEN CUT OFF alter ?Y? coordinate.PROTECTIONS CANCEL
BLUE CUT OFF alter ?X? and ?Y? coordinate.
a) Connect Test Pattern signal to antenna terminal.
b) Press main switch to OFF.
2. RED GAIN / GREEN GAIN / BLUE BAIN
c) Press volume-down and channel-up buttons and main
2.1 Using brightness and contrast buttons, select a luminance
switch to ON simultaneously.
of H120 NITS.
d)?Service Software Vxx.xx? appears o screen.
2.2 Operate in Service Mode and select location RED GAIN /
e)Press main switch to OFF.
GREEN GAIN / BLUE GAIN, to obtain colour coordinates:
X=0.290 ? 0.015 Y=0.300 ? 0.015AGC ADJUSTMENT
To increase press volume-up button and to decrease press
a) Tune the TV into CH10 (pattern generator).
volume down button.
b) Adjust the signal strength to 57dB ?V
RED CUT OFF alter ?X? coordinate.
c) Press the stand-by button on the Remote Control (red
GREEN CUT OFF alter ?Y? coordinate.button).
BLUE CUT OFF alter ?X? and ?Y? coordinate.
The TV will perform automatically the AGC.
2.3 Exit Service Mode and check colour coordinates ?X? andAFT ADJUSTMENT PAL BG - I, SECAM L
?Y? at 20 and 120 NITS. It may be necessary to repeata) Tune the TV into CH69 (pattern generator).
procedure 1 and 2 of COLOUR ADJUSTMENT.b) Press the stand-by button on the Remote Control (red
button).
ACCESS TO NVM
The TV will perform automatically the AFT.
Press CH ' to move in the following sequence: ALTER
NVM PAGOALTER NVM POS OALTER VNM VAL to alter
presseting adjustments, press up/down-volume buttons onAFT ADJUSTMENT SECAM L?
ALTER NVM VAL.a) Tune the TV into CH04 (pattern generator).
b) Press the stand-by button on the Remote Control (red
!CAUTION: Do not change NVM VALUE to avoid risk
button).
of serious damages to TV set.The TV will perform automatically the AFT.
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ACEC
