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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Hi,
My 1988 Panasonic PV-4800 VCR has an issue with Timer Recording. I can set a time to make a recording, turn off the VCR and the Timer indicator is lit. However, when the time to record arrives, the VCR does NOT record. The Timer indicator is still lit. I had tried this Timer Recording more than once with the same results. Of course the tape is recordable (tab not removed). Any ideas? Thank You in advance, John |
#2
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Any ideas?
Back in the day, we would never turn off the VCR. That would be lame-idea #1. Then, turn off and unplug the unit for a couple of hours to reboot it. That would be lame-idea #2. Lastly, make sure that the VCD "knows" there is a tape in the machine. The tab on the tape is one thing. But the arm/indicator/device on the VCR that reads the tab (to a microswitch?) may be non-functional, worn or dirty. That would be lame-idea #3. About it for now. Peter Wieck Melrose Park, PA |
#3
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#4
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#5
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To the best of my memory (which can be foggy) you must also program the
stop time. Perhaps find a copy of the owner's manual and re-read the section about programming? Regards, Tim On 6/8/2021 8:08 AM, wrote: Hi, My 1988 Panasonic PV-4800 VCR has an issue with Timer Recording. I can set a time to make a recording, turn off the VCR and the Timer indicator is lit. However, when the time to record arrives, the VCR does NOT record. The Timer indicator is still lit. I had tried this Timer Recording more than once with the same results. Of course the tape is recordable (tab not removed). Any ideas? Thank You in advance, John |
#6
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Hi,
FYI, because of the replies I have received so far, I want everyone to know that I use to repair TVs, VCRs, stereos, etc. I do NOT have the SM for this VCR, and I have never serviced a VCR (serviced many) with this issue. John On Wed, 9 Jun 2021 08:22:33 -0400, Tim Schwartz wrote: To the best of my memory (which can be foggy) you must also program the stop time. Perhaps find a copy of the owner's manual and re-read the section about programming? Regards, Tim On 6/8/2021 8:08 AM, wrote: Hi, My 1988 Panasonic PV-4800 VCR has an issue with Timer Recording. I can set a time to make a recording, turn off the VCR and the Timer indicator is lit. However, when the time to record arrives, the VCR does NOT record. The Timer indicator is still lit. I had tried this Timer Recording more than once with the same results. Of course the tape is recordable (tab not removed). Any ideas? Thank You in advance, John |
#7
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#8
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Keegan Major wrote:
And how did you expect anyone here to know this bit of detail when you omitted it from your initial post? Not one group member here can read minds.... I can read his mind easily, insanity for trying to fix a 30+ year old, low or mid range VHS machine that can be replaced with a $10~$20 one from the nearest Salvation Army or Goodwill retail store. Probably will be 25 years newer too. However I do have a suggestion... Take it apart and examine the clock board/front panel circuit boards and see if you can spot something like a cmos battery like you would find on a computer motherboard. Small (quarter sized but thicker) and probably wrapped in plastic. It's not a battery but a supercap of sorts (like .5F, half a farad). I think (but not sure) those had somewhat of a battery back up for the clock where if the machine lost power for a while, the clock wouldn't return with the 12:00 blinking but the correct time instead. I'd guess if that thing is dead or otherwise shot, it could cause the timer to malfunction. Who knows, maybe the timer relies on it so it, like the clock, doesn't get reintialized on power loss. Dead power source, dead timer. -bruce |
#9
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However I do have a suggestion...
Take it apart and examine the clock board/front panel circuit boards and see if you can spot something like a cmos battery like you would find on a computer motherboard. Small (quarter sized but thicker) and probably wrapped in plastic. It's not a battery but a supercap of sorts (like .5F, half a farad). I think (but not sure) those had somewhat of a battery back up for the clock where if the machine lost power for a while, the clock wouldn't return with the 12:00 blinking but the correct time instead. I'd guess if that thing is dead or otherwise shot, it could cause the timer to malfunction. Who knows, maybe the timer relies on it so it, like the clock, doesn't get reintialized on power loss. Dead power source, dead timer. Hi Bruce, This VCR is plugged in when the record timer was set. There was NO loss of power. Therefore, there was NO need for a battery (does NOT have one). After the VCR failed to record at the appointed time, the time and date was checked and was correct. John |
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