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william
Thursday 9th August 2018
10:02 pm U.K.

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Hi i am looking for a front control panel FU-14 the panel that has the buttons on it to control the video play rewind ff eject etc as mine is cracked beyond repair its for a sl-c40 a c20 or c30 will do it as well as it is the same panel if anyone had a spare out a old video BOARD NUMBER FU-14 many thanks

Rich
Friday 3rd August 2018
9:02 am U.K.

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Hi all.

Does anyone have an excellent condition pinch roller for a Sony SLHF100 for sale please?

Many thanks.

Rich.

Drew
Monday 30th July 2018
11:39 pm U.K.

Hi Everyone,

I've just joined the forum and would like to say Hi.

I have some information for those of you own Plasma TV's which you use with a Betamax VCR. Many Betamax models work fine of course with Plasma TV's but in previous messages here I notice a couple of people including myself have experienced issues with the picture on Playback.

Sanyo M20 and NX100 seem fine but when using my Sanyo 5000 I noticed speckles or white dots like interference on the screen.

This seems to happen when you connect to your TV via a Hard Drive or HD/DVD Recorder which then goes through HDMI into your TV.

The interference does not seem to happen when you connect direct to TV via Scart, AV3(Phono/RCA Leads) or RF.

I even used the same machine that caused the issues through HDMI and issues this time didn't happen when connecting Betamax VCR via AV3 input - Not Scart adaptor.

Hope this may be of help to some of you.

betaheads
Monday 30th July 2018
10:42 am U.K.

oriolv

Hi there,

Maybe someone can help me with an issue on my Sony SL-F30. Playback is good, but it will shift to black and white image every time

a drop on the tape is found (sometimes it will play BW straight away after ingesting the tape).

I can eventually revert to colour playback turning the tracking button to an extreme position (up or down) but it

will soon get back to B/W again. I've tried to clean the heads with a paper and a bit of isopropyl alcohol, but it doesn't really get any better.

Any help will be highly appreciated. Thanks in advance.

Noel Higgins
Friday 27th July 2018
11:26 pm U.K.

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Rob,

In that case the timer is not your main issue. The machine sounds like it needs a belt kit overhaul.

The solenoid brings in a gear to drive the un-spool and collect tape action and then eject the cassette (if one is loaded)

If there is no cassette in the machine then the tape lid should pop up unless something is jammed.

This model had a retro fit metal drive gear and stronger spring to ensure that the tape reels gathered the tape and also that rewind function did not fail as the reel drive rubbers aged and hardened.

I am not sure if this model machine uses metal slides similar to the SLC6 which is front loader but the C6s are now failing to operate due to grease hardening and stopping the slides moving.

So, I suggest you pull the machine apart and observe the solenoid action and see if the drive motor is working and check the condition of the belts and replace where necessary. You will need to remove the top and bottom covers and swing the base boards out to get to the mechanicals after removing the screws.

I have thrown out all of my old C5, C7 machines because they have too many issues and top load is not popular.

regards Noel

DAVID BRUNNER
Friday 27th July 2018
3:42 pm U.K.

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I found the SONITRON VCR-8900 is PAL and not appears in videos list

Is of superior load and in the gate appears Betacord

Rob COLLIS
Friday 27th July 2018
3:41 pm U.K.

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Hi Noel,

Unfortunately it wasn't the clock/timer switches this time. Replaced all of them but don't even get the channel number led on power on now.

I can set the clock and time though so a small victory.

On power on no buttons do anything except eject which clicks the solenoid but doesn't actually pop the cassette carriage.

Will have to dive properly into the service manual I guess.

R.

Rob COLLIS
Wednesday 25th July 2018
4:14 pm U.K.

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Thanks Noel,

That's interesting. I got a bag of replacement tactile switches for this project but was going to do that last . I assumed I was missing something on that syscon board as replacing Q25 definitely cured something as the channel number led now lights up when you come out of stand by. It just didn't fix the lack of response to front buttons problem. .

Let me replacement those (19?) Switches on the clock board and see what happens.

( Still got to fix that 8800 you sent me some circuit diagrams for but that remains in the 'hard' pile for now )

Noel Higgins
Wednesday 25th July 2018
9:29 am U.K.

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Rob

The SLC7 timer board locks up the machines functions because the push buttons collapse and short out

The easy fix is to desolder and remove them

If you want to just be able to set the time to stop the display flashing then you need enough good switches left to set the clock

Regards Noel

Jeffoldbean
Saturday 21st July 2018
12:29 pm U.K.

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For Tim,

The SL-F90, doesn't have on screen display.

The Remote Required is RMT-146.

Have a nice evening.

Jeffoldbean.

Tim Dyosn
Thursday 19th July 2018
5:54 am U.K.

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Hello,

Does anyone out there have an SL-F90. The info on here says it has on screen displays but i cant seem to make that work? The RMT-223 supplied isn't working and i'm using an old Sony VHS remote, (RMT-V474), which has them VCR 1, 2 and 3 modes... Maybe its just a remote issue? I have a spare RMT-223 somewhere so will try to find that. All in all a fantastic machine!

Tim

Frandid
Tuesday 17th July 2018
8:53 pm U.K.

Anthony : Cela dépend de ton utilisation. Si tu veux lire de vieilles cassettes françaises tu dois prendre un SECAM comme le SL-C9 F. Si tu veux pouvoir lire des K7 PAL en plus il te faut un PAL / SECAM comme le SL-HF950ES. LE SL-T50ME lit le NTSC en plus. LE SL-T20 est une version basique qui ne lit pas le NTSC. Les SL-C9 F sont assez rares à ma connaissance (j'en ai un, avec un SL-T50ME et un SL-HF950ES ) et c'est un des 2 hauts de gamme avec le SL-HF950ES car ils ont des ralentis avant et arrière et compteurs en temps réel.

Rob COLLIS
Tuesday 17th July 2018
4:43 pm U.K.

[email protected]

Hello everyone,

For my sins, I am trying to revive a Sony C7UB. (It was pretty much new/boxed so I had to take it on).

It's the Mark I (no labels on the front right flap) so assumed I needed to re-cap the power supply which I now done. I have also removed the battery, although it doesn't appear to have leaked. My question is around the "no function" tip on here.

After re-capping the power board, my voltage rails seem okay. On mains power (standby), the clock is fine. When taken out of standby, I got no channel number and no buttons functioned.

I replaced transistor Q25 on the SysCon board and that gave me back my channel number, but still the front buttons do nothing. There is no attempt to lace, although the led on the button responds.

The Palsite entry says "No functions - Check regulator transistor Q25 [2SC13641] zener diode D)gon the system control panel".

Q) What is the tip about the zener? I assume there is a typo as what does D)g mean? I assume a particular zener is needing replacement?

Anyone done this and know what zener I need to replace?

Thanks in advance

Rob

Anthony
Thursday 12th July 2018
7:01 am U.K.

Hi everyone.

What should I buy ? What is the best : Sony Betamax SL-T20 or SL-C9F ?

(live in France)

Noel Higgins
Tuesday 3rd July 2018
1:53 pm U.K.

Thanks guys.

I will just have to do some investigating then. Both failed suddenly while I was working on them. One when I turned it upside down????

regards Noel

K Lambert
Saturday 30th June 2018
7:55 pm U.K.

k[email protected]

Hi Noel:

The only info I can find for a similar issue with the Sony 'C' series is...

No play with capstan going really fast. Change C325 and C323 both 4.7uf tantalum caps.

I still have not discovered my issue with the capstan speed being OK but the reel motor in play going too fast when warmed up and even with the torque pot at minimum it's still too high a torque at 100.

Hope the former sorts your issues out though.

.....Kev

Frandid
Saturday 30th June 2018
6:29 pm U.K.

Hi Noel,

Apparently nobody has. (Or everybody is on vacation without internet). If you mean the pickup reel doesn't rotate I can imagine what happens with

the tape if the capstan goes fast and the safety mechanism doesn't stop this. Which models are these 2 machines ? HF950, C9 ??

What would you suspect on a machine that has some video and synchro problems, sometimes a pink stripe fluttering on top of picture, sometimes black screen for a few seconds, or vertical instability... ? All heads are clean... Maybe the control head is worn ? Does this happen ? Or is it possible that due to aging the tape path is too low or too high in front of the control head ? What would you try to fix this problem ?

Regards, and I wish good holidays to everyone.

Noel Higgins
Saturday 23rd June 2018
8:17 am U.K.

HI guys,

My turn to ask. Has anyone experienced and fixed a fault that causes the capstan to go really fast whilst the forward pickup reel does nothing at all?

Has just happened to two machines I am working on so thought I might ask.

cheers Noel

Roderick
Saturday 23rd June 2018
1:49 am U.K.

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Lydia,

If you want to send your machine to Noel in Melbourne, I can recoomend SmartSend (www.smartsend.com.au)

I have found them reliable and very cost effective.

Had really bad experiences with Couriers Please, twice equipment arrived badly damaged.

Noel Higgins
Thursday 21st June 2018
10:10 am U.K.

Lydia,

Re fixing your SLHF950. I am in Melbourne. I can probably fix your machine. Transports screws not being inserted do not make the machine dead that sounds like a power supply issue. The lack of screws usually makes the plastic tray slides subject to damage. They can also be repaired.

My contact details are at http://www.palsite.com/directory.html

regards Noel

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