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  #21  
09-04-2021, 12:11 AM
Tokyo_DIY Tokyo_DIY is offline
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Quote:
Originally Posted by thestarswitcher View Post
On a completely crazy coincidence..... I'm having the exact same problem that started literally today with my European HR-S9660EU. I'll be following this thread.

Even though tapes/capture is perfectly fine, this is a very big inconvenience..
Hi. Have you been able to achieve some progress on this topic? Personally I am stuck
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  #22  
09-07-2021, 12:05 PM
BarryTheCrab BarryTheCrab is offline
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I am also now suffering the shame of incomplete ejection...
It's my S7800U.
Never disassembled anything, just typical cleaning procedures, and not for some time. Now I get a partial ejection, sometimes it wants to go back into the machine, but doesn't. Stop giggling!
My search has not yielded a repair manual, and I have zero experience in this matter.
Perhaps my little blue friend could point me in the correct direction. Now you can giggle.
And...should I have started my own topic/thread?
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  #23  
09-07-2021, 03:03 PM
thestarswitcher thestarswitcher is offline
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It is the year 2021, the year where all of our VCR's start to break down. :'(
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  #24  
09-07-2021, 03:15 PM
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Quote:
Originally Posted by BarryTheCrab View Post
I am also now suffering the shame of incomplete ejection...
It's my S7800U.
One of my decks suffers from premature ejection.

Put in tape, listen to it grind, then spit it back out. Put it in again, 50/50 that it accepts. But by the 3rd try you're fine. It's obnoxious, because it's one of my best A++ tracking VCRs. It may be the motor going.

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  #25  
09-07-2021, 03:25 PM
BarryTheCrab BarryTheCrab is offline
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Are we still talking about VCRs?
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  #26  
08-06-2023, 03:39 PM
npbrown82 npbrown82 is offline
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Hello from the interwebs! I know this is an old post, but I know the fix to this and want to post this as I'm certain others will be looking for answers in the future. If you are having the problem Tokyo_DIY shows in the video attached his last post above, it's a bad "end sensor", bad "start sensor", or both. What that video shows is the tape transport motor doesn't know when to stop. It will keep ejecting the tape, then pull it back in. You'll hear the sound of the tape transport motor spinning. So frustrating! This is due to the "end sensor" which is referenced in the service manual as "Q3002". You can find "service manuals" for these JVC VCRs for free posted all over online. I replaced both the "end sensor" and "start senor" though just for good measure (Q3002 and Q3002) and I wasn't sure which was faulty haha (but I think it's the end sensor - Q3002). Once replace, I was back in business!

Here are the part numbers for the 9800, they are likely similiar or identical to many other JVC VCRs made between 1997-2003ish:

Q3002: PTZ-NV16 PHOTO TRANSISTOR or PTZ-NV16A PHOTO TRANSISTOR
Q3003: PTZ-NV16 PHOTO TRANSISTOR or PTZ-NV16A PHOTO TRANSISTOR

Now what if you cannot find these replacement parts anywhere??? Or at least for cheap??? I have you covered. Buy a "for parts" JVC deck on ebay like the HR-S7600U or one of the bit more modern JVC MiniDV / SVHS (for parts) and you are likely to find donor parts for a purchase price of $150 or less. Especially the S7600 which I've seen go for $80. My donors came from a JVC/MiniDV-SVHS deck I bought for $75 (It was a dump, but had these working parts), and I was off to the races. (plus you will have a lot of other spare parts on these you can use to fix future issues!)

Happy fixing!

PS Regarding the parts numbers above, I am specifically referring to JVC 9600, 9800 and 9900s, but MANY other JVC models will do this with bad start or end sensors.
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  #27  
08-06-2023, 08:08 PM
Tokyo_DIY Tokyo_DIY is offline
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Quote:
Originally Posted by npbrown82 View Post
Hello from the interwebs! I know this is an old post, but I know the fix to this and want to post this as I'm certain others will be looking for answers in the future. If you are having the problem Tokyo_DIY shows in the video attached his last post above, it's a bad "end sensor", bad "start sensor", or both.
Many thanks, very nice post.
It is too late for my case, but I am sure other members will face the same issue.
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  #28  
02-11-2024, 01:37 AM
hongan hongan is offline
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Hello. After many years, I want to answer you accurately. Sorry, I am a foreigner and my English is not good.
As npbrown82 said. The start sensor and end sensor are malfunctioning. If there is an issue with the start sensor, the videotape will not be able to be loaded. If there is a problem with the end sensor, after the videotape exits, the motor will continue to operate until the power is automatically cut off. Your end sensor is malfunctioning.
But you don't need to replace the parts. Because the most likely cause of the malfunction is solder joint detachment.You just need to reweld the solder joints.
Npbrown82 has purchased new parts. But he also rewelded the solder joints.
I encountered the same situation as you. I rewelded the solder joints, and the machine became normal.
By the way, my machine is the Japanese version of the hr-vxg200. Its European model is s9600.
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  #29  
02-12-2024, 01:22 AM
Tokyo_DIY Tokyo_DIY is offline
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Hi @hongan,
many thanks for letting me know.
If I face the same issue with another machine I'll try re-soldering the joints.
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