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Search: Posts Made By: Bullabill
Forum: Video Hardware Repair 10-08-2017, 07:09 PM
Replies: 9
Views: 1,244
Posted By Bullabill
Main lever pic.

7950
Pic of my main lever - there's a piece of solder holding open the crack.
Forum: Video Hardware Repair 10-01-2017, 10:49 PM
Replies: 9
Views: 1,244
Posted By Bullabill
They appear to be the reel motion sensors which...

They appear to be the reel motion sensors which detect whether the supply and take up reels are rotating. The sensors I need detect the tape beginning and end via the clear 'leader' section at each...
Forum: Video Hardware Repair 09-28-2017, 07:21 AM
Replies: 9
Views: 1,244
Posted By Bullabill
Thanks, Quasipal, I've set things in motion to...

Thanks, Quasipal, I've set things in motion to buy a couple but I'm never sure 'til they're in my hand. If things go wrong I'll take you up on your generous offer.

I rechecked and found the supply...
Forum: Video Hardware Repair 09-23-2017, 11:25 PM
Replies: 9
Views: 1,244
Posted By Bullabill
Thanks, LS, I've discovered that they are...

Thanks, LS,
I've discovered that they are different. After much searching I found I can buy the Take-up sensor but the supply sensor is 'discontinued'. Strangely though, I hit upon a web site which...
Forum: Video Hardware Repair 09-19-2017, 03:10 AM
Replies: 9
Views: 1,244
Posted By Bullabill
Take up, supply sensors for Panasonic K deck?

Can anyone tell me whether the take up and supply sensors in the 'K' deck are the same? Does anyone have the part number (I can't find it in either my NV-HS1000 manual or the 'K' deck manual). If...
Forum: Video Hardware Repair 08-06-2017, 01:51 AM
Replies: 22
Views: 3,886
Posted By Bullabill
I changed the opto coupler but to no effect, the...

I changed the opto coupler but to no effect, the symptoms are unchanged. I don't know where I go from here, there's much I don't understand, such as when I check the voltage at pin 1 of IC1 I can't...
Forum: Video Hardware Repair 07-24-2017, 06:17 AM
Replies: 22
Views: 3,886
Posted By Bullabill
"..... use control F and search through the page...

"..... use control F and search through the page for panasonic ........."

Well, well, - I never stop learning something new. Thanks for that gem!

Yes there's lots of good stuff in there, -...
Forum: Video Hardware Repair 07-22-2017, 07:52 AM
Replies: 22
Views: 3,886
Posted By Bullabill
I fitted the replacement diode but no joy, -...

I fitted the replacement diode but no joy, - symptoms unchanged. I then found an open circuit resistor (2.2k 3 watt) at one output on the diode bridge. I changed that resistor and it changed the...
Forum: Video Hardware Repair 07-12-2017, 04:52 AM
Replies: 22
Views: 3,886
Posted By Bullabill
[QUOTE=bever;50149] This seems significant ...

[QUOTE=bever;50149]
This seems significant
Did this change the symptoms of no display or runaway drum revolutions?
I did follow the path of the -8v line and found it to meander through the...
Forum: Video Hardware Repair 07-11-2017, 06:21 AM
Replies: 22
Views: 3,886
Posted By Bullabill
I checked the power supply output voltages...

I checked the power supply output voltages against the schematic and found all OK bar two pins.

Pin 2 should be -8v was 0v
Pin 6 should be (non-switched) 12v - was 14.7v

Pin 2 derives its...
Forum: Video Hardware Repair 07-10-2017, 08:32 AM
Replies: 22
Views: 3,886
Posted By Bullabill
Thanks,Q, My problem is slightly different in...

Thanks,Q,
My problem is slightly different in that the drum spins at high speed, much higher than normal. I am following up some suggestions but because I am remote from any component suppliers it...
Forum: Video Hardware Repair 07-09-2017, 12:19 AM
Replies: 37
Views: 8,413
Posted By Bullabill
Thanks, Quasipal. -- Good stuff!!

Thanks, Quasipal. -- Good stuff!!
Forum: Video Hardware Repair 07-07-2017, 10:43 PM
Replies: 22
Views: 3,886
Posted By Bullabill
Thanks, folks. I'm encouraged by all that...

Thanks, folks.
I'm encouraged by all that info. It will take me some time to absorb it all but I'll work through it slowly.
I might be wrong here, but I think that when the VCR is plugged in...
Forum: Video Hardware Repair 07-06-2017, 11:44 PM
Replies: 22
Views: 3,886
Posted By Bullabill
I removed and cleaned all the ribbon cables, - no...

I removed and cleaned all the ribbon cables, - no luck!, the drum still spins at high speed. There is no display and no tape loading, the only indications on the front panel are On, s-vhs, and AI...
Forum: Video Hardware Repair 07-04-2017, 01:16 AM
Replies: 22
Views: 3,886
Posted By Bullabill
Thanks, Quasipal, I haven't used this machine...

Thanks, Quasipal,
I haven't used this machine for a few years and, when I tried it, it seemed to be reluctant to fully load tapes, -particularly when using the S-VHS compact cassette adaptor. If I...
Forum: Video Hardware Repair 06-24-2017, 01:02 AM
Replies: 22
Views: 3,886
Posted By Bullabill
Panasonic NV-HS1000 video head drum speed

I'm still hoping for help with my Panasonic NV-HS100 / AG4700 problem. When I apply power the video head drum spins up to a high speed and can only be stopped by pulling the plug. I checked the...
Forum: Video Hardware Repair 06-20-2017, 04:52 AM
Replies: 2
Views: 985
Posted By Bullabill
Thanks, Quasipal, No, I don't have a photo, but...

Thanks, Quasipal,
No, I don't have a photo, but having thought about it , I realised that the sensor is part of the DL mechanism which is common to many models of camera of that vintage. I'm now...
Forum: Video Hardware Repair 06-14-2017, 09:08 AM
Replies: 2
Views: 985
Posted By Bullabill
Tape reel sensor VXA4997 Panasonic

I need a tape reel sensor for my Panasonic NV-S90 camcorder. The service manual calls for VXA4997, there is an equivalent - VXA6117 but I can find neither here in Australia. Is it possible to use...
Forum: Video Hardware Repair 06-12-2017, 04:23 AM
Replies: 2
Views: 759
Posted By Bullabill
Thanks, cerestan, order sent and the postage cost...

Thanks, cerestan, order sent and the postage cost nothing to down here in Australia! Amazing!!
Forum: Video Hardware Repair 06-11-2017, 03:28 AM
Replies: 2
Views: 759
Posted By Bullabill
Need a camcorder capstan belt

I need a capstan belt for my Panasonic NV-S90 camcorder. It's about 2" circumference - 1/32" thick and is square. It's no longer available from Panasonic.

Any Ideas?
Forum: Video Hardware Repair 06-04-2017, 04:43 AM
Replies: 0
Views: 997
Posted By Bullabill
Video head drum spins at high speed

I have a Panasonic AG 4700 (NV-HS1000) I haven't used for a few years. I plugged it in today and the video head drum spins up to a high speed and it can only be stopped by pulling the plug.
Does...
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