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Modelo - Chassis CCDF77
Pesquisa: CCDF77 Enviar Dica Resolvida
Resultados 35
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF77 | NO PIX FROM VTR, NO PB RF (FOUND OPEN TRACE ON SS100 BOARD) | When camcorder is in play mode, no picture. No RF on pin 3of CN508 (PBRF testpoint). Also missing was switching 5V (REC/PB) on pins11/12 of CN501 and pin 25 of IC506. Also missing was 5V on pin 27 ofsame IC. Found power line 5V open between L502 and | ||
| Sony | CCDF77 | NO DRUM ROTATION - C513 LEAKS | C513 leaks electrolyte on to the board, damaging feed-thru topin 12 of IC503. | ||
| Sony | CCDF77 | COLOR STREAKING ON SELF RECORD/REPLACE C309, C317 | Playback of prerecorded tapes fine, self recordings producedBW pix with color streaking. Found C309 and C317 leaking electrolyte andarcing on PCB. | ||
| Sony | CCDF77 | NO CAPSTAN LOCK | The capstan speed was not locked. Found C562 leakingelectrolytes to board. SOLUTION: Cleaned board and replaced capacitor. Submitted by A. Blitz/Sound Advice. | ||
| 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 | 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 | 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 | 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 | CCDF77 | AVAIABILTY OF VK-4 BOARD (COMPLETE) | |||
| Sony | CCDF77 | WON'T PLAY, FF, REW - UNIT LOADS, TREADS, DRUM TURNS | The Ever 5 volt from IC-503 is supplying B+ to the modecontrol IC. Capstan B+ and Drum B+ are present, but the 5V from Q-903 ismissing. This is a secondary supply from the DC to DC convertor. Q-903base is biased from IC-901. IC-901 was found to be ba | ||
| Sony | CCDF77 | SNOWY PICTURE | One field is extremely low and noisy on all tapes. Tracedproblem to defective RP-77 board. After replacing RP-77 board itstill had some snow. Replaced upper drum assembly A-7049-306-A. |