Opened unit, removed two tapes manually- rolled drive wheels by hand to extract. Found rubber pinch roller off in left unit- found, replaced w/ cap (both loose inside case). Checked fuse @ power input for continuity- was OK. Replaced cover. Unit LEDs (standby 'time') not on- no response... (Previously told you, --- LEDs flashed as unit switched from "standby" to "on". Unplugged unit, replugged, no response= obvious now that left tape was not cycling due to roller missing...). Next step? Can I reset unit to light up / load tapes?
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Re: accordianman--Dual deck VCR not responding...
No. Sound like the Switch mode power supply is or has failed, to repair this would involve replacing capacitor and or some componets, Many repair shops these days have discontinude repairing VCR's becuse most of the time you can replace the entire unit for the cost of repairing it
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Mine did that, and when I opened it I found that a small drive belt (visible from the bottom with the cover removed) had deteriorated into goo. This unit had been in storage a while and the rubber just deteriorated, I guess. The trouble is that now I cant tell what size it is, or what length. I think this belt drives the mechanism that loads the tape in and out, and the rest of the mechanism is triggered by the tape cassette moving into position. Since it cant get loaded properly, the rest of the machine doesnt work right, either.
1. Check to see if a tape is jammed inside (see 284 Extract a Jammed Videotape). 2.
Try changing the video input and/or output source. Many VCRs have two
ways to receive and send a video signal (coaxial and video direct). If
that works, try changing the cable for the other method to see whether
you need a new cable. 3. Clean tape heads (see How to Clean VCR Heads). 4.
Open VCR and inspect any belts that are accessible (see 284 Extract a
Jammed Videotape). A drive belt may be broken or loose.
If tapes are getting stuck / enmeshed inside the machine, itis 90%
probability) a mechanical problem. Change the Belts, clean all rollers,
idlers, and braking pads. I would suggest that you also replace the Capstan Pinch Roller.
This often points to rubber drive rollers that have glazed surfaces.
If possible, remove the housing and watch the mechanism while you try to eject the cartridge.
You should be able to spot the trouble area.
You can also then use gentle pressure on an exposed area of the tape cartridge to extract the tape.
If you can, use lighter fluid (naptha) and cotton swabs to scrub the offending rollers.
Keep waaay clear of the tape head (round drum), getting anything (even finger oils) on this can wrap tape around it for yards/meters.
The pinch roller, a black oblong rubber device that sits just to the right hand side of the heads will probably be worn & in need of replacement, this is because the tape is not running "true" & the pulses to sync the tape are not being accuratly picked up
This is caused by mechanical problems in the VCR. Depending on the age and maker of the VCR, the take-up reel in the cassette is driven by a gear, a belt or a rubber wheel. This isn't happening properly in your VCR, so the tape is piling up inside. Given the low cost of replacement combo players (I don't think you can find just a VCR these days), it's not worth having repaired. You can expect to spend $60 to $100 on a repair for this kind of trouble, assuming there are even shops still willing to take the machine in.
You can try cleaning it with a VCR tape cleaner to see if the pinch roller have build up on there. It could be that the motor isnt feeding the tape up against the recording heads properly and may need an adjustment. If you can take the top cover off, you should be to see what the problem is by the way the tape is being inserted into the machine.
If pictures are rolling during normal playback, just check one thing first. Open the Cassette flap and see the condition of the tape. Is it chewed and stretched at the bottom? If yes, the problem is a worn Capstan / Pinch roller in the VCR. It is cheweing up the lower edge of the tape, and therefore the VCR is not able to process the 'Control Track. All you need to do is replace the Capstan / Pinch roller.It is a big (approximately 1 inch high by 1/2 inch wide Black Rubber roller inside the VCR. REPLACE. Problem will be solved.
The problem is most likely with the tape path guides being out of alignment or in need of cleaning. It could be worn or dirty video heads/drum. It could be a worn pinch roller. It's in need of at least a professional cleaning, possibly a tape path alignment and possibly some rubber drive parts needing to be replaced. My guess is a tape path cleaning/alignment along with a pinch roller replacement.
You may want to consider this an opportunity to move from tape to DVD. The home DVD recorders are very cheap now and will do the same thing your VCR does, only better.
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It may need to be cleaned. Mechanical problems are one of the big problems with VCRs they use alot of mechanical moving parts and play for so long they fail. Plastic parts dont help much either. The pinch roller takes up the slack and is usualy the part that fails first because it constantly runs along the tape and builds a coating on the rubber so it doesnt grip the tape and pull it back into the cassette. If its not pulling the tape back in then it hangs up inside and you cant get the tape out. Fastforward uses the reels to pull the tape not so much the roller.
Try and stop 2 times then fast forward then eject the tape. Try and eject the tape while its fastforwarding so it doesnt do anything else.
Sometimes machines will unload after its been in fastforwad a while then it will eject. You will hear a change in the sound when it unloads, you can hear the mechanical arms move the tape in and out of the cassette. Thats when you eject it. You cant really clean it till you get the tape out.
YOu can clean the pinch roller with fingernail polish or paint remover. It is a wheel inside it looks like a black tire. It pinches the tape against the capstan arm this is why it developes a film or a shine on the rubber making it slip.