Dicas Reparação
Modelo - Chassis KV27XBR55
Pesquisa: KV27XBR55 Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR55 | NO VIDEO, RANDOM RED GREEN & BLUE ON TOP OF SCREEN | No video, rainbow, red, green and blue hor lines across thetop of the screen. DC voltage on IC500/pin 2 was about 7v. Wentback to 15v rect and measured 7v R517 read 23 ohms. | ||
| Sony | KV27XBR55 | NO PIX, REPLACED D1304 | No picture. Discovered system clock pulls IC301/pin 47 below 5V. Found leaky diode D1304 on B board.SOLUTION: Replace diode. | ||
| Sony | KV27XBR55 | NO VERTICAL DEFLECTION, REPLACED IC500, R559 | No vert DFl 1 line only about 1/4 down from top. | ||
| Sony | KV27XBR55 | HOR. OUTPUT FAILURE, SEE SB 161R1 | Dead Hor. Output Q-503 failed. | ||
| Sony | KV27XBR55 | STATIC, GROUNDED ALL PINS ON THE MICRO AND MEMORY IC'S | Terry Williams informed me of another case where setting upthe video mode the TV would shut off and then turn on again in the RF modewith no menu. The technician shorted all pins on the micro and thememory, resolved the problem. | ||
| Sony | KV27XBR55 | SHUTDOWN GOING INTO VIDEO MENU, INVESTIGATING | I have had five ANU chassis units that momentarily shut downwhen an adjustment (customer) menu is entered. I have seen this beforeand a new ROM IC-102 fixes it. These units new Rom's did not fix, nordid changing the micro. I am sending you the A Board | ||
| Sony | KV27XBR55 | NO HIGH VOLTAGE - INTERMITTENT, RESOLDERED L-500 | Intermittently no high voltage. Discovered horizontal outputtransistor coil read several hundred ohms of resistance. | ||
| Sony | KV27XBR55 | INTERMITTENT PICTURE, REPLACED IC-7001 (T BOARD) | After warm up unit had no display when changing channels.Volume would not work and occasionally picture would dim. The micro,jungle and memory IC's had been damaged. Found the clock and data outputsfrom IC-7001 pins 53 and 51 would lock and activity on | ||
| Sony | KV27XBR55 | TIMER MODE MISOPERATION/ MISTAKE IN OWNERS MANUAL | Customeris in the Video Mode. They set up the timer to turntheir TV ON at a preset time and channel. When the unit comes on thepicture is from the preset channel, but the audio is still in the videomode. -HQ COMMENTS: Customer Owners Manuals have a mist | ||
| Sony | KV27XBR55 | CLOCK RUNS FAST/ ADD CAP. AS PER SB # 87R1 | Clock gains time 2-12 minutes per hour. -HQ COMMENTS: Please refer to TV SB# 87R1, Fig 3, 27HFR etc.On the F1 Board add a 0.1uf/50v capacitor between the base of Q-2601 andground. Part number for the cap is 1-124-463-00. | ||
| Sony | KV27XBR55 | NO COLOR MAIN PICTURE, REPLACED IC-102, ALSO SEE TVP SB 99 | Main picture had no color. Also, if return button was pressedwhile in video mode, unit would shut off and then come on by itself after5 seconds. | ||
| Sony | KV27XBR55 | NO COLOR/CANNOT ADJUST COLOR | No color and cannot adjust color. Using remote to adjustcolor would shut unit off. |