Dicas Reparação
Modelo - Chassis
Pesquisa: Enviar Dica Resolvida
Resultados 81401
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLHF860D | PICTURE BREAKUP DURING PICTURE IN PICTURE MODE | During picture in picture, inserted picture was broken into 5horizontal lines across entire bottom of screen. | ||
| Sony | CFDD77 | SERVICE MANUAL CORRECTION | P40 of manual shows connection to OV ground for FE, TE adj.Should really be connected to 2.5V reference, CN721, pin 10. -HQ COMMENTS: You are correct. The ground input of the oscilloscopeshould be connected to Vref., pin 10 of CN721. We will inform To | ||
| Sony | ITK300 | SIDETONE/VOICE OUTPUT LOW IN AMPLITUDE | Sidetone and voice output low in amplitude. Receiver sectionok, tone dialing ok. Found R116 unsoldered at pin 15 IC101 speech networkchip. | ||
| Sony | CDP110 | SPINDLE MOTOR RUNS BACKWARDS | Spindle motor runs backwards. Unit was serviced at a dealerwhere the spindle motor had been replaced. | ||
| Sony | KV2782R | INTERMITTENT SHUT DOWN AND/OR HORZ FREQ DRIFT, REPLACE R-515 | Horz. freq. would drift off. A service call made to re-adjusthorz. freq. control. Customer then complained unit would shut down sometime and horz. would drift. Many parts were tried before R515 was con-firmed. SOLUTION: Replace open resistor (R515). | ||
| Sony | ITA550 | UNIT LOCKS UP | Unit would take 1 message then lock up. | ||
| Sony | TCU270 | CAPSTAN MOTOR IS ALWAYS ENERGIZED | This unit maintains capstan motor running for as long as thesystem power is activated regardless if the cassette deck is in the oper-ating mode. This causes excessive wear on the mechanical components. | ||
| Sony | KV1972R | WHAT IS FUNCTION OF DI0DE/NOT LISTED ON DIAGRAM | Diode is mounted between pin 4 and 7 of IC105. Diode notlisted in manual. -HQ COMMENTS: The diode itself is as follows: RD 13EB2, part number8-719-100-68. If servicer replaces the IC105/uPD6250C, this diode is nolonger necessary. (The diode is just | ||
| Sony | SLHFR70 | NO TUNER AUDIO | No tuner audio. TA mute (IC301-11) high. Found L006 on TI5disconnected at collector of Q003, preventing H sync from getting to IC301on SA10. | ||
| Sony | CCDV9 | SERVICE MANUAL ERROR | Part number listed in manual (above) is incorrect. It is forCX522-153. Research revealed that the correct part number is 8-759-112-97for the UPD78112GF-505-3BE. -HQ COMMENTS: Please refer to service bulletin CSV-3 No. CAM0032. | ||
| Sony | SLHFT7 | INTERMITTENT NO AUDIO (R-CHAN ONLY) | Ckt. board pattern open from pin 15 of IC003 to pin 2 of IC202(via C201). | ||
| Sony | TAAX320 | SUB PART DOES NOT FIT | Original switch part number 1-553-318-41 subs to 1-553-318-31.The sub part will not mount due to the screw holes that mount it notaligning with the holes in the frame of the unit. Please advise. -HQ COMMENTS: I had KCP check this out. The spacing betw | ||
| Sony | BMC550 | POOR COLOR - VERY LOW GREEN AND BLUE | The unit recorded very poor color with almost no green andvery little blue. We found the problem to be caused by a (noseeum) acrossRV70 on the PM-2 board. There was approx. 150 OHMs to ground from thehigh side of the control. This of course loaded dow | ||
| Sony | KV2675R | UNIT STAYS IN SLEEP MODE, IC-104G | The unit was in the (Sleep) mode and acted as if the UPC wasnot receiving a vert pulse. Upon examination, we found the vertical pulseto be only 1VPP at IC103/p.4. This was caused by a defective charactergenerator, IC104 loading the line down. Replacem | ||
| Sony | KV25XBR | SCREEN HALF DARK | The left side of the screen was lighter than the right. Also,the video was smeared. We found the problem to be caused by C1658-it hasopened up. This capacitor filters the B+ to the RGB drivers. Replacementresolved the problem. -HQ COMMENTS: C1658 is |