Sony Trinitron PVM-14L4 Service Manual

2-7. Convergence Adjustment (1)
1, Input a dot pattern signal.
CONT ... Conspicuous position
BRT ... MIN
2. Align the horizontal R, G, and B dots at the center of
the screen with the H-START VR.
% When H-CENT is changed after H-STAT adjustment,
readjust H-STAT, (H-STAT will change by means of
H-CENT VR.)
3, Align the vertical location of R, G, and B in the center
of the screen with the V-STAT Mg. (Fig. 2-14, 2-15)
+ After V-STAT adjustment, paint-lock the knob.
V-STAT Mg knob
While keeping the angles A and B equal (I=1’), align the
vertical convergence.
‘¥:
Fig. 2-14 Good example
if the A and B knobs are not symmetrical (1 #1’), the focus
may deteriorate, beam striking or other adverse effects may
oceur,
Y
Fig. 2-15 Bad example
4, For HMC, use the BMC Mg to adjust the R and B dots
so that they will be symmetrical horizontally with
respect to the G dot.
x 1 r
<—> | <>. *
in B R G B
A A
Ne mi it Control the BMC Mg so
eee egret that A=A’. Maintain |=!
Change the opening when moving the Mg.
degree of the BMC Mg
‘to control the HMC.
Fig. 2-16
5. For VMC, use the MBC Mg to adjust the R and B dots
so that they will be symmetrical vertically with respect
to the G dot.
Bo notehange: (Top —@7 Ot
‘O’-ses
ope}
6-pole magnet
For VMC control, turn
knob to the right or left
without changing ther
opening degree of the
BMC Mg.
Make ajdustment so
that the gap will be the
same at the top and botton.
Fig. 2-17
6. Repeat adjustments 2, to 5.
%* The above adjustment may affect the landing, so after
adjustment, check the landing again.
7. Paint-lock the knobs after adjustment.
PYM-14i3/4L420L4

Sony Trinitron PVM-14L4 Specifications

General

Brand	Sony
Model	Trinitron PVM-14L4
Category	Monitor
Language	English