Specifications

Alignment and Adjustments (Electrical)
4-8 Samsung Electronics
4-5 Electrical Adjustment (VCR Section)
4-5-1 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.
4-5-2 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. 4-4 Alignment Tape
0.3V
Burst Signal
(as fiat as possible)
White (100%) signal
White (75%)
signal
0.3V
0.7V
Horizontal sync signal
Fig. 4-5 Color bar signal of pattern generator
Yellow Cyan Green Magenta Red
Blue
Bronw
Yellow
Cyan
Green
Magenta
White (75%)
Red
Blue
Deep
Blue
White
100%
Black
Color bar signal waveform
Color bar pattern
0.3V
Burst
White (100%)
White (75%)
Horizontal sync signal
0.3V
0.7V
1V
Fig. 4-6 Color bar signal of alignment tape (75% Color Bars)