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SECTION 2. ELECTRICAL ADJUSTMENTS
2-1. ALIGNMENT AND ELECTRICAL ADJUSTMENT
For these adjustment, use the equipment mentioned below and proceed by using the alignment tape and video signal. The suitable output waveform of the color-bar singa genrator is shown below. 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 K¥/V). 7. Audio oscillator. 8. Audio attenuator. Signal Level and Input and Output Impedance Requirement 1. Video input: Negative syne., 1Vp-p standard composite video signal, 75�. 2. Video output: Same as above. 3. Audio input: Line - 10dBs, 47K�. 4. Audio output: -50dBs, 10K� or less.
Servo & Logic Alignment
Color Alignment
Video Alignment
Audio Alignment
Adjustment Sequence The VCR should be adjusted in the sequence shown below.
