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5-5 Electrical Adjustment (VCR Section)
5-5-1 Preparation
Electrical adjustments are required after replacing
circuit components and certain mechanical parts.
It is important to perform these adjustment only
after all repairs and replacements have been com
pleted. Also, do not attempt these adjustments
unless the proper equipment is available.
5-5-2 Required Test Equipment
1. Color Television or Monitor
2. Oscilloscope : Wide-band, dual-trace, trig-
gered delayed sweep.
3. DC Voltmeter
4. TV CH Generator
5. Attenuator
6. Recording tape. (Blank tape)
7. Pattern Generator : PAL color bar. 100%
White.
Fig. 5-4 Alignment Tape
Samsung Electronics
Alignment and Adjustments (Electrical)
White (100%) signal
White (75%)
signal
0.7V
0.3V
Horizontal sync signal
Fig. 5-5 Color bar signal of pattern generator
White (100%) signal
White (75%)
signal
0.7V
0.3V
Horizontal sync signal
Fig. 5-6 Color bar signal of alignment tape (75% Color Bars)
Burst Signal
(as fiat as possible)
0.3V
Burst Signal
(as fiat as possible)
0.3V
5-9
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