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IVA-M700R
Test Point/
i
Step | Connection
P.W.Board
Adjustment
|
Coordinates
|
i
:
4
_
_
After the adjustment in Step 3, keep the waveform on the Digital Oscilloscope.
k
[Fae
'
Monitor Wave-form
|
T.P.9808
'Adjust VR9733 until the
!
;
(GC)
black level matches the
5 | Figure4
T P9816
wave-form kept as shown
(5-B)
atright.
Memory Wave-form
|
|
i
Make the levels match.
:
Monitor Wave-form
:
T.P.9808
Adjust VR9727 until the
f
6
Figure 4
-c)
white level matches the
Make the levels match.
:
T.P.9816
wave-form kept as shown
(6-8)
at right.
Memory Wave-form
+——
Monitor Wave-form
T.P.9808
Adjust VR9737 until the
21
Pee'
(3-A)
black level matches the
:
a
T.P.9816 _| wave-form kept as shown
(6-8)
atright.
Memory Wave-form
Make the levels match.
i
Monitor Wave-form
i
i
T.P.9808
Adjust VR9729 until the
1
8 | Figure4
@A)
hie level macties fe
Make the levels match.
TP9816
wave-torm kept as shawn
|
(6B)
atright.
U
}
Memory Wave-form
i
Switch the video source to AUX1 (SMPTE-COLOR).
i
T.P.9808
@Set the screen moda to MODES.
|
r
Fyie's
{3-A)
(Pressing the
switch continuously changes the MODE1 + MODE2 -»
i
:
T.P.9816
MODES —» MODES in this order.)
6-B)
Check to see flicker noises with your eyes, and if exists, make the fine adjustment
i
i
L
with VR976S.
* After completion of the adjustmant, disconnect the BATT / ACC power supply.
1
|
NOTE : For the Test Points and Ajustment parts, refer to the Parts Layout on P.W.Boards and Wiring Diagram.
-—13-
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