Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP101 | DEFECTIVE KSS-100A | Skip of program material at random. Full and accuratealignment had no affect. Acquisition time is excessive and unit isvibration sensitive. | ||
| Sony | XR25 | INCORRECT MOUNTING OF FADER | Unit came in with no sound, amp chip was replaced. Foundfader control was mounted 180 degrees which caused the pins on the controlto short to chassis. Remounted fader control. | ||
| Sony | WM4 | BATTERY SHORTS | Not operating on batteries. | ||
| Sony | TAAX4 | ERROR IN MANUAL | On schematic, Page 27, and in unit, the capacitor for C905has a value of 0.82 uF at 250 volts. On Page 34, in the parts list thevalue listed is 1.2 uF at 250 volts, the part number is shaded becausethis part is critical to the power supply section. -HQ | ||
| Sony | STRVX750 | IC301 NEED TO BE REPLACED | In reference to T/N #8512, this STR-VX750 has the former IC301(8502) which causes the problem that had been thought to only occur inthe early production (806,000) STR-VX550. | ||
| Sony | STRVX550 | AMP OVERHEATS | When using amp on a 4 ohm load after 5 to 7 minutes powerchip will overheat and short. This is at 50 watts which is the spec. onthe service manual. On 8 ohm load at 50 watts, power chip runs extremelyhot, also. -HQ COMMENTS: We ran our unit into a 4 o | ||
| Sony | STRVX6 | LEAKY P405 | Ones digit of the display always shows 0 or 8. Checkedthe waveform at Pin 18 of IC401 (u-com) of this unit and the good unit(S/N 804552) as shown below. | ||
| Sony | STRVX4 | REPLACEMENT TRANSISTORS FAIL | The 2SC-1826 or 2SC-1986 is used as a regulator in the abovelisted models. When these parts fail and the part 8-729-398-62 is orderedthe part is subbed to a 2SC-2768. -HQ COMMENTS: 2SC1986 (8-729-398-62) does not sub into a 2SC2768 atKCP. However the | ||
| Sony | STRV45 | DEFECTIVE Q310 | Hum comes and goes. | ||
| Sony | STP7 | DEFECTIVE IC603 AND FD701 | This unit would not tune or display the proper characters.We found the uPC and display to be defective. | ||
| Sony | SRF70W | DEFECTIVE TUNING CAP | When tuning to high end AM at one point about 1000 kHz, AMwould sound like it shut off. | ||
| Sony | PSLX5 | INTERMITTENT SWITCH | The tone arm would go into 45 disc position instead of droppoint for 33 size. Only at first cycle, then no more failures. | ||
| Sony | ICFC55W | OPEN FOIL TRACE | Clock runs fast 8 minutes per hour. | ||
| Sony | HMK313 | POOR CONNECTION AT R605 | No right channel output. Found poor connection at R605. | ||
| Sony | FH7 | WORN DRIVING GEAR | Upon investigation it appears that gear and FWD cam isstopping at an incorrect position allowing it to wear hub of driving gear. |