Dicas Reparação
Modelo - Chassis
Pesquisa: Enviar Dica Resolvida
Resultados 81402
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SPPA20 | PART NUMBER FOR CASSETTE LID | No part number for the rubber foot on the inside of cassettelid. | ||
| Sony | ITA305 | NO OGM, ICM TIMING FAILURE & NO REMOTE RECORD | The shorted capacitor grounds pin 15 of IC503, which is thepreamplifier for microphone MIC301 and incoming message. | ||
| Sony | SPPA20 | BASE LEDS DO NOT LIGHT - OPEN TRACE IC301/PIN 10 AND R313. | Leds on base did not light, but answer led was ok. Checkedvoltages on IC302 and found no voltage on IC302/pin 2. Checked IC301/pin10and it had the correct voltage. R313 that is between IC301/pin 10 andIC302/pin 2 had no voltage either. Checked trace be | ||
| Sony | ICFPRO80 | THE UNIT ONLY TUNES ON MW BAND - REPLACE Q501, P/N 872980036 | The unit only tunes on MW band. There is no 18.5V at D502 andno waveform at base of Q501. Found Base - emitter junction of Q501 open. | ||
| Sony | GVS50 | NO SOUND RECORDED FROM TUNER PACK IC401/AU-136 BD | Unit will not record audio when tuner pack is used. Hasaudio output for line, speaker and HP, during record. | ||
| Sony | KV27TS29 | PICTURE TILT, ADDED MAGNET AND ADJUSTED | Customer complained about tilted picture at the top(seediagram below) of screen. Tech used magnets on top of Yoke to straightenout the line. (adjusting the yoke only moved the problem to the bottom). Customer was not 100% satisfied but accepted the | ||
| Sony | CCDVX3 | WHITE LINES(HORIZONTAL)/DEFECTIVE IC601, VC-116 | Looking at EE picture, several white lines, about 1 to 2scan lines thick would appear (see diagram below). Scoping the output ofIC601 at the vertical rate, you could see the problem. Heating andcooling IC you could make and correct the problem. P.S. | ||
| Sony | CDPC725 | 60 HZ BUZZ HEARD WITH AUDIO (REPLACE D207, P/N 8-719-987-63) | Unit makes a loud buzzing over audio (60HZ sound). ASC hadchanged all the digital processing ICs without improvement. | ||
| Sony | XR3050 | WON'T AUTO REVERSE CORRECTLY (REPLACE TRIGGER ARM, REF. 234) | When attempting to auto reverse, the mech would auto reverseto the opposite side but would then jump back. By holding the FF & REVbuttons in for a few seconds, the auto reverse feature would work. By ob-serving the reverse gear, it appeared that the t | ||
| Sony | CCDF77 | INTERMITTENT E TO E SOUND/E TO E COLOR/CHECK W502 FU-72 | Checked chroma in at W701 Pin 3. OK. Found Chroma signalgoing into CT21 board, W701 pin 4. No signal coming out of W704 pin 5. | ||
| Sony | KV32XBR95 | NO POWER, REPLACED V OUT IC-1401 | Set came in with no power turn on. Problem was traced todefective IC. | ||
| Sony | KV32XBR95S | SPEAKER RATTLE, REPLACED TWEETER | Speaker cone rattles with nominal volume. | ||
| Sony | EVC3 | SCHEMATIC DIFFERENCE ON IN23 BOARD, R003 | Schematic on p. 81 shows a 10k resistor, R003, connectedbetween RF GND and CN602 pin 10. The board I saw had a shorting traceinstead. This also changes the voltage callout on IC002 pin18 (VI52 BD).It should read 0V, instead of 1.4V or 1V, page 69. -H | ||
| Sony | CCDTR77 | AVAILABILTY OF CONNECTOR CN401/USE 1-691-539-11 | |||
| Sony | KV27XBR10 | ERRATIC OPERATION ON PIC, BRT, HUE, ETC. , STATIC DISCHARGE | Terry Williams worked with a tech on the phone concerning asystem control problem. The sympton was when the set is turned on all thepicture controls are at max. (Pic, Brightness, Hue, Color, etc). Thetech had replaced the memory and microprocessor. Th |