| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV1000 | NO POWER | Unit was received inoperable. Upon checking IC-301, founddata pulses on pins 51, 52, 53 and 64 without any switches being pushed.GEQ Data and clock line always had data on them but I/O data did not. Myconclusion was IC-301 and IC-404 were not communica | ||
| Sony | CDX7580 | CD WILL NOT LOAD | CD will not load and display changes to CD mode. But it willnot take in disc. | ||
| Sony | CDP391 | NOISE IN AUDIO | Set has Digital noise at low level in audio. Sounds likephono cracks, snaps and pops. Replaced Ram IC, D-A converter IC and DSPIC. It still has noise. | ||
| Sony | CDP291 | NOISE IN AUDIO | Set has Digital noise at low level in audio. Sounds likephono cracks, snaps and pops. Replaced Ram IC, D-A convertor IC and DSPIC. It still has noise. | ||
| Sony | KV32XBR70 | ONLY VIDEO 1, VIDEO 2 AND VIDEO 3 BUTTONS ON RM-762 WORKED | Video 1, 2 and 3 buttons on RM-762 worked on KV-32XBR70 butnothing else worked. On front controls of TV all manual functions worked.D-05 and D-07 checked good but upon replacing unit worked. | ||
| Sony | STRAV920 | OUTPUT TRANSISTORS SHORTING | The output transistors shorting collector to ground. This isdue to a combination of a paper insulator and the metal tab of thetransistor (collector case) ripping the paper and shorting to ground.This has been attributed to overtightening of the mounting | ||
| Sony | KV27SXR10 | PINCUSHION DISTORTION, REPLACE C-1510 | Set in ASC shop several times for pincushion distortion.L-1507 always found open. No reason found. Finally confirmed C-1510intermittently opening. | ||
| Sony | TAAV601 | UNIT IN PROTECTION MODE | Unit goes into protection mode after 30 - 45 minutes. Thetechnician replaced IC-700 and Q-700, same problem. Found 1v on pin 1 ofIC-700, +24V on collector of Q-700 and +26V on IC-600 pin 5 and 4. | ||
| Sony | STRAV710 | GREEN TAPE MONITOR LAMP FLASHES - UNIT WILL NOT TURN ON | When you apply power to unit, the tape 2 lamp flashes and themicroprocessors are locked up. Nothing functions. | ||
| Sony | CCDTR6 | NO PICTURE THROUGH CAMERA | There was no picture through lens. Found iris defective. | ||
| Sony | STRV6 | NOISY SWITCHES | Poping sound when subsonic switch is moved. | ||
| Sony | ITD100 | NO DIAL TONE | No dial tone. While holding handset to ear, hang up line andyou will hear what sounds like a capacitor slowly discharging, (bomb dropsound). Sometime after the discharge noise, it will start grabbing anddropping the line. Also pertains to serial numbe | ||
| Sony | TAM50 | LOW OGM PLAYBACK TO CALLER - ICM CUTS OFF | When the TAM answers an incoming call, the OGM will be playedout the line at a low volume level and the ICM will be cut off inter-mittently. This is caused by ZD-1 leaking and allowing the line currentto drop below the minimum level required to hold the | ||
| Sony | ITD100 | MULTIPLE INTERMITTENT PROBLEMS | Key pad defective/intermittent, no dial tone, no mute, no sidetone. Cable has been cut by components on Main board. Also applies toserial number 10510. | ||
| Sony | DTC75ES | NO DISPLAY - UNIT FUNCTIONS NORMALLY | There is no display at all. However, all functions on theunit work normally. |