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Chat Page News
Friday 24th March 2017

Please bookmark http://chat.palsite.com/chat_page.py as the new URL.

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K Lambert
Wednesday 6th June 2012
3:16 pm U.K.

kn2000@talktalk.net

Hi James

Yes they are tantalum ones but electrolytics are fine.Change ALL the small light blue ones ion that board and any more minature ones too.I've done this on three or fur C6 's and then a tiny tweak to the head drum preset and then it should be fine.Yes they should only have one cap for each point.0.22 for those sounds right.The C6 's are renound for those issues.

.....................Kev

James
Wednesday 6th June 2012
12:54 pm U.K.

jlaing35@hotmail.com

Thanks for the info Kevin.

It seems the servo maybe the cause of audio problems, As capstan free-run speed is eratic and the voltage at TP5 is not stable.Also there is drum speed variation.What I found odd there is two electrolytic capacitors (Are they electrolytic?) on both C7 and C8, as far as I know there should only be one on each of thesethat should be at .22uf?

Regards,James

K Lambert
Wednesday 6th June 2012
9:37 am U.K.

kn2000@talktalk.net

James

AD6 is the board.it's the one that flps over the video head drum.You can remove it but removing two (or four) screws and unplugging two wires.

Good luck....................Kevin

James
Wednesday 6th June 2012
12:24 am U.K.

jlaing35@hotmail.com

Thanks Kevin :)

Is that he ADG panel? Sorry for asking so much just trying to work out what everything is on this machine.

Would be good if I could find a service manual for this machine...

James

K Lambert
Tuesday 5th June 2012
6:59 pm U.K.

kn2000@talktalk.net

Hi James

The audio board for that model is the rectangular one that hinges back over the head drum.there may be a bad cap or leaky Transistor?Dry joint even.

.....................Kevin

James
Tuesday 5th June 2012
12:29 pm U.K.

jlaing35@hotmail.com

Kevin,

All heads were cleaned and appear to be ok.

I adjusted RV1 (I could not find RV001) and the drum speed RV9 which helped with the picture.The video was running for an hour with no major problems (Apart from needing electrolytic capacitors?) Then it suddenly lost the audio, so I stopped the tape to find there still audio on the tuner side of things.

I turned off the VCR for an hour or so while I had some dinner, I came back and started up the VCR and ran a tape to find the audio was back. When the audio works it works well. I think there is a component that is worn and when gets warm the audio cuts out.

Can this mean a problem with the SS-9 board and is the SS-9 the servo board or is that is another spot?

James

K Lambert
Tuesday 5th June 2012
11:43 am U.K.

kn2000@talktalk.net

Hi James

I've just had the same problem from one i've just worked on.It was playing back fine but recordings were missing their control track pulse.It depends what end of the head is contaminated.It turned out to be a dirty audio head.Sometimes the head azimuth needs a very tiny adjustment too to make the treble more clear.Best doing that with an alignment tape though to make sure it's compatible with all other vcr's playback.It could've been the IC but seeing as it's playing back through the tuner part OK it's not very likely.

....................Kevin

James
Tuesday 5th June 2012
10:43 am U.K.

jlaing35@hotmail.com

Update on the C6

The Audio seems to come back when the machine has been on standby for a few hours but then goes again after a few mins..

Would anyone know what the cause of this might be?

James

James
Tuesday 5th June 2012
7:25 am U.K.

jlaing35@hotmail.com

I now have the Sony SL-C6, it seems to have to known problems with video playback.But while it was playing the sound dropped out and no longer seems to work. The sound on tuner still works..

So I have no idea what the problem with the sound is :(

James

LESLIE HINE
Monday 4th June 2012
3:59 pm U.K.

lesliehine@Gmail.com

sony SL-F1UB. I am still trying to find data for my SONY SL-F1UB, also I need the wiring diagram for the 12V i/p socket (the 5 pin one at the back of the unit)as I wish to run my machine without the tuner connected. Any help appreciated!

K Lambert
Monday 4th June 2012
2:04 pm U.K.

kn2000@talktalk.net

Hi James:

No it's not normal.It sounds like tape mould has gathers around the ferrite head chips.As this Sanyo DOES stay laced in all modes FF and REW will add to this if the tapes are contaminated enough.very gentle cleaning with a head cleaning stick /with special pad ,coated in Isopropyl alcohol gently is the way to go there.Hold the pad upright so the flat is lightly touching the drum where the slot is and then turn the heads (from the top of the head drum) around gently passing each head sweep over the cleaning pad.DO NOT SPIN THE HEADS.Keep the cleaning pad dead still and put light to moderate pressure on it.

Good luck....................Kevin

James
Monday 4th June 2012
1:31 pm U.K.

jlaing35@hotmail.com

Hi again guys, In regards to the Sanyo VTC-9300 I was Looking at the heads in the drum with a magnify glass and I could see there is there white looking stuff around the heads, Is this normal and could this be causeing problems with playback?

Regards,James

Roy
Sunday 3rd June 2012
10:11 am U.K.

roy.maghraj@gmail.com

Noel,Thanks for your help sor far, I managed getting the thread around the machanism by holding down the play button and switching on&off at the poer switch. The thread seems fine all in the proper sequence. I pressed th eject once and it rhe tape ejects perfectly well. The only thing works fully on its own is the eject. Play and rewind will not. All supply rails I had tested seem to be fine. Something is not enabled somewhere. Any other possibilities will that will lock out these functions. Thanks in advance. Roy

James
Sunday 3rd June 2012
7:49 am U.K.

jlaing35@hotmail.com

Looks like some of my posts are considered spam, pretty odd though considering replies to my deleted posts are still there :(

Sure makes you feel welcome here..

Noel Higgins
Saturday 2nd June 2012
8:31 am U.K.

noelmh@nospam.tpg.com.au

James,

The SL2000 shares the same drive gear/motor design as the Sony VHS top of the range edit machines. I have a few of those as spares so supplying one of those will not be a problem.

cheers Noel

Noel Higgins
Friday 1st June 2012
11:06 pm U.K.

noelmh@nospam.tpg.com.au

James,

Try this place in Australia. http://www.tvr.com.au/

regards Noel

K Lambert
Friday 1st June 2012
4:24 pm U.K.

kn2000@talktalk.net

James

If you want me to enquire about the belt kits here in the UK and then if available order them and then send them over to you.Let me know.

....................Kevin

James
Friday 1st June 2012
7:40 am U.K.

jlaing35@hotmail.com

Looks like WES and Wagner no longer sell the belts kit for this machine...

James
Friday 1st June 2012
1:24 am U.K.

jlaing35@hotmail.com

Noel I forgot about WES, so thanks for reminding me...Kevin, the kit may help a bit as the belt for the capstan has very little grip and getting new belts may improve the tension on the heads.I plan on getting the old Sanyo serviced, I know these old Sanyo's had a very good picture when they are working like properly.I just brought the Sony SL-C6, So I should be getting it next week, I know it already needs a belt kit as it spits the tape back out after it has been loaded. No doubt the electrolytics will need replacing as well.

Thanks for all great information guys :)

Regards,James

Noel Higgins
Thursday 31st May 2012
11:40 pm U.K.

noelmh@nospam.tpg.com.au

James,

Belt kits are available from Wes Components in Sydney. (Also know as Wagner)

regards Noel

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