Figure 2-9.
Figure
ADJUSTMENT OF Y/C PLAYBACK
CIRCUIT
Adjustment of
video signal level
,
1
Measuring
instrument
Oscilloscope
Mode
Tape used
Alignment tape (VROCPSV)
(stair-case waveform)
Test point
Pin
of
(video output)
Adjusting point
R209 (playback level control)
Specification
2.0
(not terminated)
1.
the alignment tape and place the unit to
the playback mode.
2. Hook up the oscilloscope to pin
of
(video output) .
Adjust R209 (playback level
control) so that the on-screen waveform be
2.0 0.
as shown in Figure 2-l 1.
Adiustment of delav level
Measuring
instrument
Dual-beam oscilloscope
Adj usti ng point
R240 (delay level control)
Specification
CH-2 level CH-I level
1.
the alignment tape and play it.
2. Adjust R240 (delay level control) so that the
levels of CH-I and CH-2 are the same as shown in
Figure 2-12.
CH-2
I
Figure 2-12.
Adjustment of the APC (PAL)
Measuring
instrument
Frequency counter
Mode
Tape used
Playback
Alignment tape (VROCPSV)
(stair-case waveform)
Test point
TP504
Adjusting point
C514
control)
I Specification
I
1.
the alignment tape and place the unit to
the playback mode.
2. Connect the frequency counter to TP504. Adjust
C514 (APC control) so that the counter reading
be
Figure 2-l
39
Summary of Contents for 14VT10X1
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Page 102: ...VCR POWER CIRCUIT 105 ...
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Page 105: ...INFRARED REMOTE CONTROL CIRCUIT I I I I I 1 1 I 2 I 3 I 4 I 5 I 6 1 108 ...
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Page 113: ...C A B C D E F G H YIC PWB VCR POWER PWB 1 I 2 I 3 I 4 I 5 I 6 I ...
Page 114: ...I I I 0 I m I m I 0 I n I m I D I A SBIIO C H c j u ...
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Page 117: ...TIMER PWB 1 I 2 I 3 I 4 5 I 6 1 120 ...
Page 134: ... A B E F G ...
Page 135: ...CASSElTE HOUSING CONTROL PARTS 3 1 7 I 9 3 wf 345 1 I 2 I 3 I 5 I 5 I 6 1 138 ...
Page 136: ... A B C D E F G l 4 TV SECTION MECHANICAL PARTS 1 I 2 I 3 I 4 I 5 I 6 I 139 ...
Page 137: ...VCR SECTION MECHANICAL PARTS 1 I 2 1 3 I 4 I 5 I 6 I ...