Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | XM100 | NO AUDIO OUTPUT | No sound. Found power amp transistors Q411 in left channeland Q512 in right channel shorted E to C. After replacing transistorsstill had no audio out. Further checks showed +3V on both E and C of Q302(remote switch). Found R305, 100 kohm res. open. | ||
| Sony | KV1922 | CRESCENT MOON EFFECT | When set was first turned on, you have a full picture. Witha crescent effect on the left side of the picture, it was about 12 incheshigh. After approx. 1 min., this dark area would fade and then thepicture went into a christmas tree effect with about 4 | ||
| Sony | M400B | INTERMITTENT TAPE SPEED | The tape speed would intermittently go way too fast in play,and fast forward and rewind. Pressing on the case behind the speakerwould cause problem to come and go. Found the leads of Q2 bent in such away that they would contact the chassis, thereby shu | ||
| Sony | SL2405 | PICTURE UNSTABLE | Picture breathes with no complete loss of either drum speedor phase. | ||
| Sony | STRAV460 | PART # IS IN ERROR | Part # listed in service manual on page 56 is in error.Should be 8-749-940-36. At the present time KC NPC is not substitutingcorrect P/N and servicer is being told that this is an invalid part #. -HQ COMMENTS: The P/N in S/M is incorrect as you pointed | ||
| Sony | CCDV8 | P/N FOR RFU80UC | Customer bought unit in Japan. Needs RF unit for USA. Part #is not in the service manual. -HQ COMMENTS: This accessory may be ordered under the model #(RF-80uc). | ||
| Sony | SL5000 | WRONG PART NUMBER IN S/M (SS-9 BD/C008) | Wrong part number in SL-5000 manual. | ||
| Sony | SLHF500 | NOISE IN L-CH WHEN PLAYBACK EDITED PORTION | Loud POP noise when playback edited portion of self-recordedtape in L-ch of Beta Hi-Fi output only. | ||
| Sony | CDX5 | DESTROYING DISC | When loading and unloading a disc, the CDX-5 is putting amark on the disc. The marks appear only on the outer 3/8 of the disc.The marks are at a slight angle sometimes 3 or 4 at every loading. Thesemarks are not scratches but are cloudy 1/16 wide 1/4 l | ||
| Sony | KV2670R | DISTORTED SOUND, T-202 WITH CRACKED SLUG | This unit had very distorted sound. We found T202 to have acracked slug. | ||
| Sony | FD20 | SHATTERED CRT | The customer took the unit with him in his plane. At 12000feet, the CRT shattered into a million pieces. There is absolutely nodamage to the cabinet. | ||
| Sony | SL2710 | POOR TAPE PATH | The tape was riding up on the pinch roller and at timesdamaging the tape. We found the back tension to be insufficient andcausing the problem. What made this problem unusual was the fact that theunit would often play fine for extended periods. | ||
| Sony | KV2145R | WEAK VIDEO AND POOR SYNC, LEAKY C208 | This unit displayed weak video and poor sync. We found C208of IC201 Pin 3 to be leaky. | ||
| Sony | KV1952RS | NO CHANNEL INDICATION, Q2002 OPEN | This unit had no LED drive for the channel indicator. Alsosound, pix, channel controls did not work. It gave every indication of alocked up uPC. We found Q2002 on M board to be open and causing theproblem. | ||
| Sony | PSLX55II | TONEARM NOT DROPPING | Tonearm would not drop to record. |