Table of Contents
Advertisement
PVM-20M7MDE
(E) PAL Y, DA2
l. Input the PAL 100% color bar signal.
2. Connect an oscilloscope to TPI005
lY.
3. Enter the service mode
(item
No. 137)
4. Adjust the~
until the signal has amplitude of
800±20mVp-p.
5. Writethedata.
~-------------:1:::
~
~de
of signal
componentexclud!ng
2Y
sync signal
800±20mVp-p
4. Matrix Adjustment
(A) R-In
I.
Input
the
PAL 100% color bar signal.
2. Connect an oSCilloscOpe to TPI010
B...lli
3. Enter the service mode (item No. 139)
4. Adjust the£AL..M!2Aluntilpeaks
ofthesigna]shavethe
same
amplitude.
5.
Writethedata.
R
n------n::::::: ___
__l_
30mVo,less
~
L_j
______
L:::}L
30mVo,le~
Note 1:
If
the required specification cannot be satisfied at the
upper and lower sides of the waveform at the same
time, adjust so that the upper side satisfies the
requirement.
Note
2:
If the waveform shown below appears with
the 100%
colorbarinputsignal,changeinputtothe75%color
barsignal.
(B) B-ln
1.
Input the PAL 100%colorbarsignal.
2. Connect
an
oscilloscope to TP1012
B.....IN.
3.
Enter the service mode (item No.
140)
4. Adjust
the
PAL
MDA2 until peaks of the signals have the same
amplitude.
S)Writethedata.
B
n---nrrn::::::;t
30mV,,,,,,
~
L.........J.--t=t---t::j---
7
___
30mVorless
Note 1: If the required specification cannot be satisfied at the
upper and lower sides of the waveform at the same
time, adjust so that the upper side satisfies the
requirement.
Note 2:
If
the wavefonn shown below appears with the 100%
colorbarinputsignal,changeinputtothe75%color
barsignal.
-J1ruul
(C) G-In
I. Input the PAL 100% color bar signal.
2. Connect
an
oscilloscope to TPIOII
Q..lli.
3.
Enter the service mode (itemNo.141
andNo.142)
4. Adjust the
fAL...MI2Al
and ~until
peaks of the
signals
have the same amplitude.
S.
Writethedata.
AdjustedbyMDA3
Note 1:Iftherequiredspecificationcannotbesatisfiedatthe
upper and lower sides of the waveform at the same
time, adjust so that the upper side satisfies the
requirement.
Nole 2:
If
the waveform shown below appears with the
100%
colorbarinputsignal,changeinputtothe75%co\or
bar signal.
-38-
Advertisement
Table of Contents
