– 11 –
GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
ELECTRICAL ADJUSTMENTS
Vertical retrace line
1. Enter the service mode, then select any register item.
2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap-
pears on the screen.
3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture
screen.
FOCUS VR ADJ
SUB-BRIGHTNESS
(BRTC)
1. Constrict the picture height until the verti-
cal retrace line appears adjusting the item
HIT (HEIGHT).
2. Adjust the CONTRAST control to the mini-
mum.
3. Call up the adjustment mode display, then
select the item BRTC.
4. Press the VOLUME
s
or
t
button so the
belt of vertical retrace line just disappear.
5. Adjust the CONTRAST control for the de-
sired contrast.
6. Perform the HEIGHT adjustment.
ITEM
ADJUSTMENT PROCEDURE
SUB-COLOR
(SCOL)
SUB-TINT
(TNTC)
1. Receive color-bar signal from color-bar
generator.
2. Press the RESET button.
3. Connect oscilloscope to TP501 on SIG-
NAL board.
4. Adjust the CONTRAST control to the
minimum.
5. Call up the adjustment mode display,
then select the item TNTC.
6. Adjust the SUB-TINT by pressing the
VOLUME
s
or
t
button to obtain a blue
bar to magenta bar ratio of 3:2 as shown.
7. Press the RESET button.
8. Select the item SCOL.
9. Adjust the SUB-COLOR by pressing the VOLUME
s
or
t
button to achieve
1.6V
0-p
of a blue bar on scope.
10. Check the picture with off-air signal.
0
Blue
Magenta
2
3 (1.6V
0-P
)
WIDTH
(WID)
1. Call up the adjustment mode display, then select the item WID.
2. Press the VOLUME
s
or
t
button to get the picture so the left and right edges of
raster begins to lack.
3. Press the VOLUME
s
or
t
button to advance the data by 7 steps.
Note : Check the horizontal picture position is correct.
Summary of Contents for 32AFX61
Page 30: ... 30 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...
Page 31: ... 31 32 SIGNAL BOARD PB9635 BOTTOM FOIL SIDE ...
Page 32: ... 33 34 POWER DEF BOARD PB9631 BOTTOM FOIL SIDE ...
Page 33: ... 35 CRT DRIVE BOARD PB9973 BOTTOM FOIL SIDE ...
Page 34: ... 36 BACK A V BOARD PB9633 BOTTOM FOIL SIDE ...
Page 35: ... 37 CONTROL 1 BOARD PB9570 BOTTOM FOIL SIDE ...
Page 36: ... 38 CONTROL 2 BOARD PB9571 BOTTOM FOIL SIDE ...
Page 38: ... 40 SPECIFIC INFORMATIONS MEMO ...
Page 40: ......