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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP302 | NO DISPLAY | Machine functioned normally with the exception of having nodisplay. Checked filament voltage and inputs and outputs to displaydrive chip and found no problems. | ||
| Sony | KV25XBR | DEAD | Unit was dead. No functions. Traced problem to shortedD1657 (pin damper diode). | ||
| Sony | KV25XBR | NO SOUND | No audio output. Traced problem to IC1107 on the X board.This is the second report I know of this problem. | ||
| Sony | BMC110 | DISTORTED PLAYBACK PICTURE | Recording played back showed distorted picture only filling1/5 of the left side of screen. A white spot was in the center when theiris was opened up. | ||
| Sony | SL5000 | CAN | Sometimes ejects tape when PLAY is pushed. ANT SEL IN wouldchange logic when button pushed but that the output stayed high. Changingmicroprocessor produced no change. Pins 30, 31 and 29 all were high.Unsoldering these pins allowed the program select t | ||
| Sony | STRV55 | NO TUNER OR MEMORY | No tuner output or memory functions. Tuning voltage to tunerremained at 30V regardless of frequency indication on display.External DC on tuning line resulted in good reception. DC on IC402were wrong for Pins 2, 3, 8 and 14, 15. Replacing IC401, IC402, | ||
| Sony | SL2400 | SPURIOUS THREADING AT TURN ON | Unit would attempt to thread tape immediately at turn on,even without a tape inserted or loaded. Problem was intermittent. | ||
| Sony | STR313 | HIFI BULLETIN #116 | IC601 SI-1125HD original was replaced with SI-1225HD and unithad distorted right ch. Another SI-1225HD was installed, same problem. | ||
| Sony | SL30 | LOW AUDIO PLAYBACK LEVEL | By shimming head out 0.012 inch the audio level came up toaround normal levels. I would like to know why the head angle is sotouchy on these two head samples. | ||
| Sony | TCYX50 | NO PART # FOR CAPSTAN MOTOR | No part number for capstan motor in Service Manual. -HQ COMMENTS: The part number is 8-835-049-01. The part is availablefrom NPC. | ||
| Sony | TCK65 | MISSING PART NUMBER FOR CHASSIS ASS'Y MECHANISM | Need part number for chassis ass'y mechanism. -HQ COMMENTS: The number is X-3564-020-0. It is available from NPC. | ||
| Sony | FD40A | KEYSTONE PICTURE, REPLACED Q601 | Keystone raster. Found no 17 volts being generated. | ||
| Sony | KV1961 | INTERMITTENT AUDIO, REPLACED NEON LAMP | On position number 6, audio would come and go. Found neonlamp causing triggering of the muting circuit. | ||
| Sony | MDRFM5 | PART NUMBER FOR S401 | We need part # for S401 auto off switch. -HQ COMMENTS: The part # is 1-553-589-00. The S/M for the US version ismissing some parts. This has been supplemented with the Radio S/B #172.Parts are also listed in the S/M for US/E/AEP version. | ||
| Sony | SL2700 | DEAD | Push power switch on, power switch light does not light, drumis turning, TV/VCR switch does not work, and will not take a cassette. |