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Deflection yokes DY7x (68...81)
Destination: Colour picture tube 90°, diagonal 21", neck diameter 29,1 mm. 1. Electrical characteristics 2. DY type Lh, Rh, mH DY70 2,07 2,45 DY70P ±3% ±7% DY71, DY79 DY68, DY69, DY73, 2,17 2,38 DY74, ±3% ± 7% DY77 DY78 1,4 1,7 DY72 ± 3% ± 7% 1,81 2 DY80 DY81 ± 3% ± 7% 1,81 2 DY80PM ± 2% ± 5% 3. Convergence Measuring points C K, D V, A S1 S2 S3 CK, CD, GV, GA VD, AD, AK, VK 4. Raster distortion Pincushion N/S 1,7 % Pincushion E/W 1,3 % Orthogonality 2 mm
X, mm Y, mm
Lv, mH 21 ±7%
Rv, 9,4 ±5%
Ihpp, A 2,70
Ivpp, A 1,13
Note Basic construction Reduced noise With cable With cables of different types
21 ± 7% 26 ± 7% 21 ± 7% 21 ± 7%
9,4 ±5% 11 ± 5% 9,4 ± 5% 9,4 ± 5%
2,54
1,13
3,04
0,98
Different impedance Different impedance Different impedance With cable Reduced noise
2,79
1,13
Ua = 25 kV
0 ±0,6 ±0,5 ±0,8 ±0,6 ±0,8 ±0,4 ±1,0
0 ±0,6 ±0,5 ±0.8 ±0,6 ±0,8 ±0,4 ±1,0
See page 2
Deflection yokes DY7x (68...81)
4. General view