5
For these adjustment, use the equipment mentioned below
and proceed by using the alignment tape and video signal.
Instrument and Tools Required
1. Color TV receiver.
2. Oscilloscope having 10 MHz or more bandwidth.
3. Color-bar generator.
4. Frequency counter.
5. VTVM.
6. VOM (20 Kµ/V).
7. Audio oscillator.
8. Audio attenuator.
Signal Level and Input and Output Impedance
Requirement
1. Video input: Negative sync., 1Vp-p standard composite
1.
video signal, 75
Ω
.
2. Video output: Same as above.
3. Audio input: Line - 10dBs, 47K
Ω
.
4. Audio output: -5dBs, 10K
Ω
or less.
Adjustment Sequence
The VCR should be adjusted in the sequence shown below.
The suitable output waveform of the color-bar signal
generator is shown below.
SECTION 2.
ELECTRICAL ADJUSTMENTS
2-1. ALIGNMENT AND ELECTRICAL ADJUSTMENT
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Содержание DVR-1181 D(BB)
Страница 13: ...3 1 CONNECTION DIAGRAM 11 SECTION 3 CIRCUIT DIAGRAM All manuals and user guides at all guides com...
Страница 14: ...3 2 POWER CIRCUIT 12 All manuals and user guides at all guides com...
Страница 15: ...3 3 SERVO SYSCON CIRCUIT 13 All manuals and user guides at all guides com...
Страница 16: ...3 4 VIDEO CIRCUIT 14 All manuals and user guides at all guides com a l l g u i d e s c o m...
Страница 17: ...3 5 PRE AMP CIRCUIT 15 All manuals and user guides at all guides com...
Страница 18: ...3 6 AUDIO CIRCUIT 16 All manuals and user guides at all guides com...
Страница 19: ...3 7 LOGIC SW CITRCUIT DVR 1181 SERIES 17 All manuals and user guides at all guides com...
Страница 20: ...3 8 LOGIC SW CITRCUIT DVR 1383 SERIES 18 All manuals and user guides at all guides com...
Страница 21: ...3 9 LOGIC SW CITRCUIT DVR 1989 SERIES 19 All manuals and user guides at all guides com a l l g u i d e s c o m...
