Dicas Reparação
Modelo - Chassis KV1920
Pesquisa: KV1920 Enviar Dica Resolvida
Resultados 6
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1920 | EXCESSIVE HIGH VOLTAGE | Excessive high voltage. | ||
| Sony | KV1920 | START CIRCUIT BURNS UP | The start circuit would fail to turn off despite the factthat the set was running and making 18V for the horiz. osc. circuits.We found the trouble to be caused by a defective horiz. osc. IC. It tookabout 11V to fire, this permitted the start transistor | ||
| Sony | KV1920D | INSUFFICIENT VERTICAL DEFLECTION | Cannot get full vertical def. Vertical distortion on thetop, about 1/2 foldover. | ||
| Sony | KV1920 | SEVERE TEARING IN PIX BOTH HORIZ AND VERT - POOR INTERLACE | Picture had severe tearing and poor interlace. Scoping AGCbuss revealed high noise level. | ||
| Sony | KV1920 | RETRACE LINES ON THE PICTURE | Few retrace lines were visible on upper left and lower centerof the picture at maximum brightness. | ||
| Sony | KV1920D | BLANKING BAR AT THE TOP OF THE SCREEN | A blanking bar at the top of the screen approx. 2 inches high.It did not vary with line voltage. Tech. had had some initial verticalproblems. Found only 33V on collector of Q502. Obviously 135V was noton D506. |