Sony TRINITRON KV-1442 Service Manual page 32

Xe-5 chassis
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PRINTED WI RING BOARD |
115
V ADJ
Adjust
RV601
for 115+0.5
V de on the digital multimeter.
Vee ial
REG OUT
ggoogooooooo
(1-596 -307-11)
1-6
ANTI-PAL, LINE CRAWLING ADJUSTMENT
@
ANTI-PAL ADJUSTMENT
Input the PAL SPECIAL colour bar signal.
2. Set the PICTURE,
COLOUR and BRT control
to center click.
3. Confirm
that there is no colour on
the first
anti-PAL signal frames at the right and left of
the picture.
If there is adjust to remove the anti-PAL colour
at
both
side
while
tracking
with
RV302
(DELAY) and RV303 (PHASE).
=
TP91
digital multimeter
LINE CRAWLING ADJUSTMENT
. Input a PAL colour bar.
» Set the PICTURE,
COLOUR
and BRT control
to click center.
. Observe the B-5
(Blue) output waveform
shown in the oscilloscope.
| Adjust T3017 for minimum line crawling.
[R. G. B OUT]
ACC ADJUSTMENT
1. Input the PAL colour bar signal.
2
Set the PICTURE, COLOUR and BRT control
to center
click.
3.
Observe
1C301
pin
%
waveform
and
adjust RV304
(ACC)
so
that the waveform
level is 180 + 10m
Vp-p.
[H. V. JUNGLE]
H+FREQ ADJUSTMENT
1. Input the PAL color bar signal.
2. Set the PICTURE, COLOUR a
click.
3. Short circuit between pin and
wire.
. Adjust
RV501 for the image shé
.
Remove a jumper wire.
.
Change
tuner channel and con
Adjust
RV502,
RV503 and RV5\
picture.
H-SIZE ADJUSTMENT
oscilloscope
Adjust L806 for best size picture.
i]
|
f
'\
I
'
|
|
Tl
:
ia
[A-P-C- ADJUSTMENT |
SPIES
e l l
[5]
Vb = 180 + 10MVp-p
L
1. Input the PAL colour bar signal.
B-5 @)= F-2
"4
2. Set the PICTURE COLOUR and BRT contro!
[ « in
to center click.
@
@
3. Short circuit between pin
and pin
of
B
hee are
Y/C PROCESS
{
1C301 with a jumper wire.
,
T301
4. Adjust CV301 for suitable colour intencity.
5.
Remove a jumper wire.

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