Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | BMC550 | LITHIUM BATTERY | One customer has lost lithium battery already one customerbattery was missing from carton and one wants to purchase replacementjust to be on the safe side. | ||
| Sony | SL2710 | UNIT PULSATES BETWEEN RECORD AND PAUSE MODES IN STEADY CYCLE | When entering REC, unit would cycle between REC and PAUSE ata rapid frequency. Random pulse at collector of Q517, SS-21 board causedproblem. Q518 was found defective. Replaced Q518, unit OK. | ||
| Sony | CDXR7 | WRONG PART NUMBER | Transistors Q1 and Q2 are listed as 8-759-105-29 on page 69of service manual. Correct number is 8-729-105-29. -HQ COMMENTS: We will issue a T/N and S/B. | ||
| Sony | RM704 | RM704 IS NOT AVAILABLE | RM-704 is not available. NPC substitute part is RM-708, butshape is not the same. If size and shape is more important to customer,can RM-706 (A-1009-074-A) or RM-705 (not all function) be substitutedsuccessfully? -HQ COMMENTS: As replacement of units | ||
| Sony | AIR8 | DISPLAY MALFUNCTION | Low or no audio, all segments of the display come on when astation is received, but display acts normal in scan mode or when unit isnot tuned onto a station, also display blanks out completely in PSB mode. | ||
| Sony | STRAV460 | BACKGROUND NOISE | In FM mode after 45 to 90 minutes there is excessive back-ground noise. Also, the sensitivity seems to have decreased. -HQ COMMENTS: If the problem is in the FM, I would suggest you wouldheat-test Q101 RF amp. Also check the transistor mechanically, o | ||
| Sony | CDX5 | NOISE | When using a CDX-5, XR-65 and XM-55 and listening to a disc,sound is very clean when listening to either a tape or radio, excessivemotor noise shows up in the system. Though, when bypassing the CDX-5 themotor noise disappears. One dealer has tried as m | ||
| Sony | KV25XBR | NO RGB OUTPUT | Set had no RGB output when unboxed. Scope showed good videoin at IC301 Pin 3 and also Pin 2 but no video out at Pins 32, 33 or 34.A check of supply voltages showed the following: 140 volt line was 130volt. 16 volt line was 15 volt. 8 volt line was 7 | ||
| Sony | BMC110 | CORRECTION TO SUPPLEMENT #1 | Page 8 Ref. 334 and 338 reversed in Expl. P/N 3-681-404-01(Flange 334) 3-681-410-01 (Nut 338) -HQ COMMENTS: We will issue a T/N and S/B regarding this subject. Thefollowing will be changed. 1) Reverse Reference Balloons 334 and 338.2) Add screw (P/N | ||
| Sony | KV2675R | NO VIP, LEAKY D-103 | No VIP. Noise on M2 data line Pin 28 IC103 A board.Voltage approx. 4.5VDC. When checking M2 line at Pin 14 of IC050 Tboard could see a faint horizontal pulse. | ||
| Sony | MTL10 | REPACK KIT | Approx. 3 months after installation of MTL repack kit(T-998-025-81), IC became defective. Only way to get new IC is to consumeentire new repack kit. | ||
| Sony | KV1992R | INTERMITTENT REMOTE, CORRODED PLUG ON REMOTE MODULE | Many complaints on KV-1970, -1971 and -1992 with intermittentremote function. | ||
| Sony | WM10 | WRONG BATTERY LID | Two different type battery lids produced for WM-F10 may besame problem as WM-F10 Technical News A-0062 Feb 15, 1985. -HQ COMMENTS: Although both lids are different in color of the sidewall, they are physically compatible and are registered as the samepa | ||
| Sony | KV2670R | CABLE INTERFERENCE, SUGGEST 220 MHZ TRAP USE | TV on cable. Vertical bars channels, K thru W. Per the cablecompany, there is a pilot signal at channel J (220MHz). I have not beenable to get a trap at this frequency (220MHz). -HQ COMMENTS: Please try Microwave Filter Company. The address is6743 K | ||
| Sony | XR65 | FM DRIFT | FM would come in with stereo indicator lit when unit was firstturned on. After about 20 minutes stereo LED would go out. Slightlyadjusting RV4 would turn indicator back on for a short time before itdrifted again. Found that by hitting C48 with freeze |