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Modelo - Chassis
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Resultados 81389
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRD990 | ALL INPUTS BLEED THROUGH TUNER | When tuner is selected and there is an input into cd it bleedsthrough tuner. The same happens if you switch input from cd to tape,dat, video. -SOLUTION : Found capacitor that was not on schematic across pins 10and 14 of IC803 electronic volume control, | ||
| Sony | STRD715 | NOT PASSING TV SIGNAL - REPLACED IC202 | Unit sometimes went off cannot turn on, found IC202defective. If the unit is on, it won't let the signal pass to the tv. | ||
| Sony | STRD615 | INTERMITTENT AUDIO - REPLACED RY701 | Intermittent audio both sides, flexing PC at relay wouldcause relay to disengage and re-engage. | ||
| Sony | STRD511 | INT PROTECT/CONSTANT PROTECT - R766 AND R769 SHORTED | Prob began as intermittent protect then became constantprotect. | ||
| Sony | STRD511 | INT LOUD POP ON RIGHT FRONT CHANNEL | When first turned on unit would intermittently make a loudpop from right front speaker. | ||
| Sony | STRD315 | DEAD/OPEN PRIMARY - REPLACE TRANSFORMER | Unit dead. Measured open primary on power transformer.Found open fuse built into the transformer. Transfomer is good and unitwill work if jumper to the 2nd terminal. This is the second transformerwithin one month on this unit. Also, noted b/o's on t | ||
| Sony | STRD315 | NO LEFT CHANNEL - REPLACED OPENED R712 | There is no left output. 16v DC on the emitter of Q712/713. Found R712 open on the main board. | ||
| Sony | STRD1015 | NO LEFT CHANNEL SOUND - RESOLDERED RV502 | Left channel no sound output to speaker. | ||
| Sony | STRAV970X | NO DISPLAY - REPLACED OPEN D101 | No display, AC across pins 1 and 69 ok. The 33v line todisplay and IC101 also ok. Found D101 at 3.6v Zener that goes to thecenter of T902 open. | ||
| Sony | SDP777ES | NO LEFT OR REAR CHANNEL OUTPUT IN ALL MODES - REPL IC457 | Traced problem back to IC457 pin 4 which had only noisesignal. IC457 pin 15 checked ok. | ||
| Sony | MHCC33 | AUDIO PROBLEM IN CD MODE - REPLACED IC107 | Distorted audio in CD mode. | ||
| Sony | LBTG1000 | NO OPEN CD - CABLE REF. #4 SHORTED TO GND. | Unit's CD door will not open. Found cable #4 to be shortingto the chassis ground. The cable rubs on the bottom and wears theinsulations causing the short. | ||
| Sony | HCDC50U | HUM IN AUDIO - TIGHTENED GND SCREWS | Hum in audio. | ||
| Sony | HCD541 | UNIT DEAD - REPLACED C843 | Unit dead, + unreg. voltage is being supplied by SAW542.Reset voltage at Pin #4 or IC714 located on main PCB is low. In this caseit was measured at 2 volts. | ||
| Sony | HCD241 | NO POWER UP - RESET IC401 PIN 17 TO CHASSIS GND | Unit would not turn on. Five volt and 12 volt lines present.Microprocessor has all must haves. Jumped RY901 and unit functions withno display or audio. |