Dicas Reparação
Modelo - Chassis F7
Pesquisa: F7 Enviar Dica Resolvida
Resultados 183
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF77 | NOISE DISTORTION IN PLAY. MAINLY ON STRAIGHT LINES | Unit came in for a click in playback. There was a fuzzypicture like 1 head bad. Tapped on the head amp with a woodenscrewdriver handle. Distortion would come and go. Last time thishappened, I replaced the head amp. This time I found that CH1 EQ(Freq | ||
| Sony | CCDF77 | DISTORTED LUMA E-E, C717 ON CT-21. | Distorted picture in E to E. Checked video out of cam headand was clean, but had spikes after CT-21. Followed (Y) signal in toCT-21 circuit and showed spikes after C717 coupling cap. | ||
| Sony | CCDF70 | CAMERA MODE, VIDEO HAS STREAKS AND FLARES IN HIGH LITE AREAS | When camera is directed towards high brightness or brightlight, shows vertical streaks in video. These streaks off of main sourceof brightness in picture can start at top of picture to bottom or smaller. Attempted to adjust V-sub but voltage nor picture | ||
| Sony | WMAF79 | CHASSIS ASSY DIFFERENT FROM CHASSIS IN DEFECTIVE UNIT. | The chassis (A3163146A) is different from the chassis insidethe defective unit. There are two different chassis with the same partnumber. The metallic lever on the chassis is bent differently and has adifferent shape. -HQ COMMENTS: KCPS faxed WRPC and | ||
| Sony | CCDF77 | WINDSCREEN PART NUMBER/USE X-253-672-01 | FPR #L1005 states windscreen does not have a part number,this is incorrect. The windscreen is available-part number is X25367201.It is not listed in Service Manuals for CCDF77. | ||
| Sony | CCDF77 | WILL NOT LOAD TAPES/CHECK PIN 12 IC503 SS100 | Would not load tape and trouble indicator came on. Found novcc at pin 12 of IC503. Feed through was open near C513- vcc line. | ||
| Sony | ICF7600D | PART VALUE IN UNIT DOESN'T MATCH SCHEMATIC AND SHORTED C65 | Schematic says R67 is 1.5K but, I found a factory installed100 ohms resistor in its place. Also C65 was shorted and this was causingno AM reception because the drain of Q11 was being pulled low through T9. Possibly the bad cap was caused by the wrong va | ||
| 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 | CCDF77 | LCD ON SIDE DOES NOT LIGHT/CHECK PAGE D ADDRESS 59=7A | LCD display on the side of the camera does not light up. Allbutton, i.e., manual focus, White Balance, etc. operate normally.Swapping whole side covers (w/PCBs) with known good unit, does not fix theproblem. Had four (4) units with this problem. | ||
| Sony | WMF76 | TAPE SPEED TOO FAST AND AUDIO IS MUTED - CHANGE MOTOR M-301 | After pressing play the tape was moving very fast and therewas no audio. Going for the muted audio first, I found pin 10 of IC303(headphone drive) was low from Q309 being turned on. Following it back toQ602, both sections were turned off causing this mut | ||
| Sony | CCDF77 | NO LUMA IN CAMERA MODE/ C401 | There was no luma in camera mode. I traced good luma signalto pin 33 of IC-401. I found YH CLP level at pin 39 to be 4.2v when itshould be 3.2V. | ||
| Sony | CCDF77 | NO RECORD/REPLACE C-911 | There had been a complaint of no recording. The drum wasrunning at high speed. An open cap caused improper VS voltage to beapplied to drum motor. -HQ COMMENTS: C-911 is connected between Q-901 emitter (Drum VS Reg) andground. | ||
| Sony | WMAF79 | NO REFERENCE NUMBER- V KNOB/ MEGABASS KNOB | Page 23 in WMAF79 manual shows a breakdown of mid half ofunit. The volume cap, screw, and O ring are given reference numbers butthe knob is not. | ||
| Sony | CCDF77 | AVAIABILTY OF VK-4 BOARD (COMPLETE) | |||
| Sony | SRF75 | NO POWER - REPLACE SLIDER, P/N 3-890-622-01 | Slider broken, resulting in no power. |