Dicas Reparação
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR95S | PICTURE WAS TOO WIDE, REPLACED D509, Q502, Q513, AND Q506 | The width was way out and I was unable to adjust it. I foundthe -5v line measuring -2.5v so I checked and replaced the D509 Zenorregulator, Q502 and Q513 pin drive transistors. -5v returned to normalhowever the picture was still too wide. I found Q506 | ||
| Sony | SLV757VC | WILL NOT ACCEPT TAPE IF REWOUND TO THE LEADER: CAPSTAN MTR. | The unit will eject tapes when the tape leaders are exposed,but will play normally if leader is not exposed. All other functions arenormal. I tried replacing reel sensors, end sensors, and mode switchwithout success. Upon comparing the mechanical move | ||
| Sony | WMAF59 | AUDIO PLAYED BACKWARDS - SPRING (REF 215) MISSING | Audio would sometimes play backwards and the take-up reelswould turn in opposite directions at the same time. | ||
| Sony | TCDD7 | PHONES/AVLS/LINE OUT SWITCH HAS NO EFFECT ON AUDIO LEVEL | The switch for selecting the PHONES/AVLS/LINE OUT has noeffect on the audio level when headphones are plugged into the unit unlessyou remove and reconnect the headphones. -HQ COMMENTS: The unit is working properly. A change in the position ofthe switch | ||
| Sony | CCDF30 | DISTORTED PLAYBACK (NO SYNC) UNTIL UNIT WARMS UP/C-380 | When power is first applied, the video would lose sync forabout a minute. Video signal was good out of IC-360 pin 47, but thethe sync was clipped after it passed through C-380. | ||
| Sony | CCDF30 | NO RECORD VIDEO, PRERECORD PLAYBACK GOOD/REPLACE C-505 | The unit did not have any record playback due to missingrecord Y. Good record Y out of IC-362 pin 4, Q-405 base and emitter,but not on pin 1 of IC-365. | ||
| Sony | XR5550 | UNIDENTIFIED COMPONENTS MOUNTED TO LINE OUTPUT JACKS | Circuit City technician called trying to find part number fordiode connected between line output jack and ground for L & R rear outs.Diodes were blackened during installation. None shown in schematic. Theyare connected between the center of the jack an | ||
| Sony | TCK850ES | SOUND GARBLED- COULD NOT ALIGN TAPE PATH | I could not align the head properly. If the head was adjustedfor proper electrical adjustment then the tape would get eaten. If thetape path was adjusted, then the electrical adjustment would be off. | ||
| Sony | KV27XBR65 | INTERMITTENT SHUT DOWN, REPLACED Q506 | Intermittent shut down. | ||
| Sony | CFD58 | NO PLAY; REWIND BUTTON IS STIFF | The unit would not play a tape because the pinch rollermechanism would not engage completely. I also noticed the rewind buttonwas difficult to push down and the mechanism would not engage at all. | ||
| Sony | KV32XBR15 | POWER STAYS ON WITH THE TV TURNED OFF, REPLACED RY101 | When the customer turns the power off, the TV remains on. | ||
| Sony | CDP297 | WRONG PART NUMBER FOR M102 (CORRECT # IS X-4917-523-3) | The correct part number for spindle motor M102 isX-4917-523-3. The sled motor is part number X-4917-504-1, this is themotor without a reference number. | ||
| Sony | KV27TS36 | NO OPERATION, REPLACED Q601, Q602, R647, AND 2.5AMP FUSE | No operation | ||
| Sony | SLV686HF | INTERMITTENT STEREO IN SP PB: ADJUST RV401 PAGE 184 OF SM | Intermittently, the stereo display will flicker or go out andthe stereo or Hi-Fi will default to normal audio playback. The Hi-Fiplayback function is normal in the EP mode. On the pre-recorded tapes inthe SP mode, the Hi-Fi playback is also normal. | ||
| Sony | KV32XBR95S | PICTURE WAS TOO WIDE, REPLACED D509, Q502, Q513, AND Q506 | The width was way out and I was unable to adjust it. I foundthe -5v line measuring -2.5v so I checked and replaced the D509 Zenorregulator, Q502 and Q513 pin drive transistors. -5v returned to normalhowever the picture was still too wide. I found Q506 |