| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | BMC110 | POOR TAPE PATH, INTERMITTENT DISTORTED PICTURE | When playing back on a good VTR, the playback picture haslines and horizontal pulling at the top and bottom of the picture (this isintermittent). Also, picture bounces vertically intermittent. Thisproblem looks like the Betamovie has bad tape path. | ||
| Sony | STRVX550 | INOPERATIVE REMOTE | Receiver will turn on with remote but no other functionswork. All previous modifications including reset, capacitor, surgesuppressors and ground repairs were done. Serial data is entering IC403at Pin 21, but no output. | ||
| Sony | CFSD7 | INTERMITTENT FUNCTIONS | Unit will only go into REWIND or RECORDING mode inter-mittently. STOP button will have no effect. Disconnecting power cordwill reset unit to STOP mode. Pressing any function button, the unit willgo only into REWIND. |