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5. PAL Y/C Color Level Adjustment
Connect
the input signal to the LINE B connector.
(A) PALY/CR,Y.DAl
1.
Input the PAL 100% color bar signal.
2. Perfonn the same adjustment as section VI-3-(B) u,sjng
~
PAI xtCR-Y
QA]
3. Writethedata.
(B) PAL Y/C Y, DA]
1. Input the PAL 100% color bar signal.
2. Perform the same adjustment
as
section VI-3-{C) using
--
PAI Y/CY PA]
3. Writethedata.
(C) PAL Y/C B-Y. DAI
I. Input the
PAL
100%colorbarsignal.
2.
Perform
the
same a~justment
~
section
VI-3-(D)_
using
~
PAL
Y/C
B-Y QAl
3. Writethedata.
6. NTSC Color Demodulation Adjustment
Connect the input signal
to
the LINE A
connector.
(A) NTSCHUE
1.
Input the NTSC color bar signal.
(Input
the B·Y
component
only. Turn
off the
R-Y and Y.)
2. Connect an oscilloscope to TP16
BLR:Y.
3. Enter
the
service mode (item No. 148)
4.
Adjust.NISC...!!llE.
until the
error
component (B-Y) becomes
a
straight
line.
5.
Writethedata.
~---:
... ,omv.,,_,.
R-Y
PVM·20M7MDE
(B) NTSC U-phase
1. Input the NTSC color bar signal.
(Input
the R-Y
component only. Tum off the B-Y and Y.)
2. Connect an oscilloscope to 'JP15 ~.
3. En1er the service mode (item No. 149)
4. Adjust NTSC II-PHAS8 until the error component (R-Y)
becomes a straight line.
5. Writethedata.
~---~---30mVo,I,,.
B·Y
(C) Repeat adjustments
of steps (A) and (B) of previous
subsection 6 until both of the two adjustments (A) and (B)
have the best result (tracking adjustment).
7. NTSt: Color Level Adjustment
Connect the input signal to
the
LINE A connector.
(A) NTSC COLOR
1. Input
the NTSC 100% color bar signal.
2.
Perform
the
same adjustment as section VI-3-(A) using
ilom.llo..liZ
=
3. Writethedata.
(8) NTSC R-Y. DAI
1. Input the
NfSC 100% color
bar signal.
2. Perform the same adjustment as section VI-3-(B) using
ilomNllJ.ll!
~
3. Writethedata.
(C)
NTSC Y.
DAI
I.
Input the NTSC 100% color bar signal.
2. Perform the same adjustment as section VI-3-{C) using
~
=
3.
Writethedata.
(D)
NTSC
8-Y. DAI
1. JnputtheNTSC 100%colorbarsignal
2. Perform the
same
adjustment as section
VI-3-(D} using
~
l'll:Sl:.JilJlA
3. Writethedata.
-39-
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