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Sony Trinitron KV-32TW77 - Circuit Adjustments (Continued); Chroma Trap and P Board Adjustments

Sony Trinitron KV-32TW77
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KV-27TW77/27TW78
KV-32TW7
W32TW738
‘
CROMA
TRAP
ADJUSTMENT
(CROM
1.
Input
a
red
signal
2.
Set
to
Service
adjustment
Mode.
3.
Connect
an
oscilloscope
CN703
Pin@
(R
OUT)
of
C
board
ground.
4,
Select
CROM
with[I]and
[4].
5.
Adjust
with(3]and{6|
for
the
0
level.
Element
of
sub-carrier
6.
Write
the
memory
by
pressing|MUTING|then
[ENTER]
.
5-3.
P
BOARD
ADJUSTMENTS
‘1.
Input
a
color-bar
signal
2.
Set
to
Service
adjustment
Mode.
3.
Connect
an
oscilloscope
CN150
Pin@)
(Y
OUT).
4,
Select
PHPO
with[I]and|4].
5.
Adjust
with|3|and|6|for
the
43.0+3.0
psec
(H).
CN150
PIN@
(Y
OUT)
‘H:
43.0
3.0
msec.
6.
Write
the
memory
by
pressing;
MUTING|then
ENTER|
.
—46—

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