Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1918 | AUDIO DROPOUT | On cable only, audio mutes intermittently. This problem doesnot occur with off-the-air broadcasts. -HQ COMMENTS: Replace neon bulb for the channel location being used.You can also disconnect the mute line IC201 Pin 17. If muting stilloccurs, then the | ||
| Sony | SL5000 | VIDEO NOISE DURING PB OF TIMER RECORDED TAPE | Customer brought in 4 tapes recorded on timer mode complainingof same problem. Recording made in FSC came out OK. Can you pleaseexamine enclosed sample and advise? -HQ COMMENTS: We confirmed the absence of the CTL signal on the sampletape. When the r | ||
| Sony | SL2401 | INTERMITTENT CAPSTAN LOCK - UNSTABLE PICTURE | The unit had been in for service several times with thecomplaint of poor capstan lock. This problem was very intermittent. Wefound C20, CTL coupling capacitor, to be intermittent. | ||
| Sony | SLHF300 | NO TIMER/CHANNEL SET | This unit had no channel display and it was not possible toset the timer mode. We found IC301 Pin 16 to be low. This was caused bya leaky Q305. | ||
| Sony | TCFX44 | POOR FREQ RESPONSE | The REC/PB head being supplied for replacement is an8-729-373-40. This head exhibits very poor freq. response in playback.A significant roll off takes place at 6kHz. Recordings plays back onanother deck are acceptable. We need either the correct head | ||
| Sony | KV1917 | PERIODIC AUDIO MUTING | The customer complained of intermittent audio muting whenusing the cable converter on ch. 3. The muting lasted less than 1 sec.when it occurred. There was no problem with broadcast ch. 3 and theproblem could not be simulated in the shop with a similar | ||
| Sony | CDXR7 | SERVICE MANUAL CORRECTION | Pages 43 and 44 of service manual has R714, 715, 717, 724,722 connected to Pin 2, IC6. Actually they connect on the other side ofL3 to Pin 12, IC8. This is a small flaw, but I was told to send it toyou for your reference. Also, could you tell me if th | ||
| Sony | XRM10 | SERVICE MANUAL ERROR | On page 37, IC371 (LA4177) of XAM-10 is labeled incorrectly. Pin 13 should be Pin 2 Pin 14 should be Pin 1 Pin 2 should be Pin 13 Pin 1 should be Pin 14 as shown f | ||
| Sony | D5D | NO MOTION AFTER INITIAL RUN-UP | Will not play discs. Disc spins briefly and then stops.Disc will not spin at all in service mode. Other functions appear normal.Found that laser was not coming on due to lid switch contacts being bent(S901). | ||
| Sony | CDP302 | INTERMITTENT PLAY | Intermittent play, skips forward, backward, etc. | ||
| Sony | TTS81 | MISSING PART NUMBER FOR MOTOR PULLEY | We need the P/N for motor pulley on TTS-81. See page 23 ofthe manual. -HQ COMMENTS: The motor pulley is a part of the motor assy (DNE-3002A).The part number is A-4608-151-A. | ||
| Sony | KV5000 | VIDEO DETECTOR ASSEMBLY PART NUMBER | Video detector diode (D201) is enclosed in a can with R270and C225. Servicer claims that he cannot disassemble the can and wantsto know if part number for the assembly is available. -HQ COMMENTS: There should be no problem with disassembling the can an | ||
| Sony | WMF8 | PART NUMBER FOR NEW STYLE MOTOR | Old version WM-F8 (as in service manual) uses separate servoamp and motor. New version uses a motor with servo amp mounted on it.The old motor is type DNR6900A, P/N 8-835-105-01. New motor assembly istype DNR5700A. We need the correct P/N for this mot | ||
| Sony | CFS580 | MISSING PART NUMBER FOR LEVER, PANEL BUTTON | We need the part number for lever, panel button on page 33 ofthe manual. -HQ COMMENTS: Sorry, the part is no longer available. | ||
| Sony | KV25XBR | DISTORTED RIGHT CHANNEL AUDIO, REPLACED IC1108 | Distorted audio, right channel only. |