Priority Check; Component Input Operation Check - Hitachi 36SDX88B Service Manual

2.10.2 Terminal Priority Check
Preparation for adjustment Adjustment procedure Notes
VIDEO 1 I VIDEO 3
(1) Input signal "A" to the (I) Check picture at S-input of VIDEO 1 Use the different signal
Video terminal of input 1, and VIDEO 3 with signal "8".
between A and B.
then input the signal "6" .
to S terminal of INPUT 1
(2) Remove signal "B" of (2) Check picture at S-input of VIDEO 'l
INPUT 1 and INPUT 3 S- and VIDEO 3 with signal "A".
terminal.
VIDEO 1 /VIDEO 2
(3) Input signal "A" to the (3) Check picture at Y/CB/CR with signal
Use the different signal
VIDEO terminal of INPUT "C" . between A, 8, and C.
2. Input signal "B" to the S-
terminal of INPUT 2.
Then, input signal "C" to
the Y/CB/CR terminals.
(4) Remove signal "C" of (4) Check that the picture of VIDEO 2.
YKWCR terminal. Signal "B" for S input, can be
monitored.
(5) Remove signal "B" of S- (5) Check picture of VIDEO 2. with
terminal at !NPUT 2. signal "A".
2.10.3 Component Input Operation Check
Preparation for adjustment Adjustment procedure Notes
(1) Prepare signal Y PBICs (1) Check picture.
P&, at COMPONENT
terminal.
(fH:15.73kHz,
31 .SkHz, 33.75kHz).
(2) Input signal with 15.73kHz (2) Check if Vertical Size changes by
to COMPONENT terminal. remote handset.
(3) Check if vertical size changes with the
same procedure as well at 31.5kHt,
33.75kHz.
V
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