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Wednesday 29th March 2017

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

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Noel Higgins
Sunday 16th October 2011
12:51 pm U.K.

noelmh@nospam.tpg.com.au

To Mark Glennon,

The failure of the power supply in an SLHF950 is more common these days and is caused by the capacitors drying out and having high ESR which eventually kills the transistors in the switchmode power supply converting the 240VAC to other voltages used by the machine. You can get around this problem. The power supply is in two halves. The first converts the 240V AC down to 12V DC at around 4 Amps maximum. If you apply 12V DC into the white plug with 4 wires on it (two are positive supply and two for the negative) then the second switchmode section will provide all the various voltages to make the machine operate.

It is easy to buy switch mode power supplies now with this output capability. I usually convert the machine using them but I have to add an earth lead if I mount them internally.

If you used an external plug pack to drive the machine that would work also.

regards Noel Higgins (betaheaven.com)

P.S. Bill - I liked your comments about the Australian beta fans;-) Shows your watching.

Martin
Saturday 15th October 2011
11:32 am U.K.

rumad@tiswas.co.uk

Tiswas is available officially on DVD.

It is also illegal to sell unauthorized 'copies' of TV shows.

K Lambert
Friday 14th October 2011
9:20 pm U.K.

kn2000@talktalk.net

Hi Tom

Did you mean Sanyo VTCM40 (i've never heard of the M46)?Are wea talking voltage regulator in the PSU?Let me knowWhat country are you in?

............Kvein

Tom
Friday 14th October 2011
5:32 am U.K.

tomdauld@yahoo.com

Hi

I have a Sanyo VTC-M46 and am trying to repair. I need a new regulator. Do you know where I may find one or a suitable substitute

Tom

Martin
Tuesday 11th October 2011
9:14 pm U.K.

vcr1500@yahoo.co.uk

I have for sale a Betamax Video Cassette which contains the live recording of TISWAS on the 31/10/1981 The cassette is in very good condition and the picture quality is very good. Contains the complete live show with all adverts of the time plus extras. 2hr 15 mins.Ģ17.50 inc postage. A DVD transfer is also included if you are interested of the complete Cassette.

Phil
Tuesday 11th October 2011
11:55 am U.K.

gladys30901@hotmail.com

Gabriel,Thanks from Augusta, GA. You must be correct that the SL-2401 is a direct drive. Your description of the toothed brown belt is exactly right. I will live with my video problem for fear that I'll do more damage than good. I've stripped two screwdrivers trying to unscrew the chassis assembly so Sony must have used quality screws.

Gabriel
Tuesday 11th October 2011
5:37 am U.K.

gabrigpb@hotmail.com

Monkey King,

Yesterday, I was having a look to my beta HF100. I can describe the exact location of the end threading switch: as you see the mechanics from a front view, it is located on the top-left side of the whole thing, in vertical position, near to the psu, black coloured. This switch is pushed by a lever under that chassis. To gain access to it, you first have to remove a metallic cover over the drum (four screws). For a normal operation, when the ring is unthreaded, the switch is pushed. When completing the threading process, the switch is free. In order to check that switch, I would act as follows: first, try to make the video thread. When threading and reaching to the end (before going backwards again), I would unplug the vcr from mains (donīt worry, Windows will later restart normally). If not reached the desired position, turn the loading gear by hand. Theoretically, at this point one can operate the end switch by hand or the tip of a screwdriver and check it with an ohmmeter. With that simple procedure, you would be able to spot if that component is guilty.

Phil,

Iīve never owned a SL-2410 cause I guess itīs an American model. However, I think it shares a lot from European betas so itīs highly probable that your video has no belts beside the reels. Excluding old models ( Sl-C5, C7 , 8080. ..) and last generation betas (Sl-F65, F75), Sony Betamax are driven either by gear pendulum or direct drive DC motors. The only belt you can find there is the tray belt (teethed, brown coloured, easy to see), and itīs not so prone to fault.

Hope to be helpful. Regards, Gabriel.

Phil
Monday 10th October 2011
11:00 pm U.K.

gladys30901@hotmail.com

I seek your advice. I have a Sony SL-2410 that has some issues in the video and audio. A fuzzy band travles down the picture about every 5 seconds. Additionally the the audio sounds tinny. The tracking knob just about resolves the tinny sound but the knob bottoms out before the sound problem is resolved. This beta vcr is new to me which I got to move my father's home videos to computer. I haved cleaned the tape path pins and wheels with cotton swabs and denatured alcohol, very clean considering. I purchased a repait kit which contained a ~4 inch belt but I can't find where the belt goes. The tape drive mechanism appears to be in a self contained chassis, I found two screws along the top which hold chassis to the box, I bet there are more screws along the bottom of the chassis but I can't find them. There are peep holes in the chassis which look like the holes are there to get at hard to find screws but there is nothing there. I'm guessing if I can find the other screws then I can remove the chassis and see the underside of this tape drive mechansim with a pendulum and drive wheels and my fantom belt.

K Lambert
Sunday 9th October 2011
9:22 am U.K.

kn2000@talktalk.net

Gabriel:

Thanks for the update.When i was reffering to 'not many usual parts being the same' ,i should've been more specific.The mains transformer,capstan motor,tape ring loading motor,tape insertion mechanism are different to those on the 'M series' models.The Sanyo VTC 5000 usually now has failing capacitors in the PSU supply.Usually for the clock area as they were used the most if the vcr was in standby a lot.I hav'nt seen many failing in Sanyo's other models.The clock /counter IC can fail in the Sanyo VTC 5150 and VTC NX100 as i've seen that a few times.The IC's are still available.I would check through all the main PSU components on the M30,i'm sure you will come across the failed one.The M30 is a resilient model but i have seen a damaged/worn third head (for clean still frame/slow motion) on two.The M10/20 are near bomb proof ,apart from the usual rubber parts and maybe ( if very high mileage) reel (Not capstan) motor.Also check for a cracked PCB.This i see fairly regularly too on the top loaders and NX100. Probably through rough handling in storage,shipping.

Roderick:

That is a good suggestion.I too have answered queries for help only to find members are overseas.I am in the UK if anyone is curious.

..........Kevin

K Lambert
Sunday 9th October 2011
9:19 am U.K.

kn2000@talktalk.net

Gabriel:

Thanks for the update.When i was reffering to 'not many usual parts being the same' ,i should've been more specific.The mains transformer,capstan motor,tape ring loading motor,tape insertion mechanism are different to those on the 'M series' models.The Sanyo VTC 5000 usually now has failing capacitors in the PSU supply.Usually for the clock area as they were used the most if the vcr was instandby a lot.I hav'nt seen many failing in Sanyo's other models.The clock /counter IC can fail in the Sanyo VTC 5150 and VTC NX100 as i've seen that a few times.I would check through all the main components on the M30,i'm sure you will come across the failed one.The M30 is a resilient model but i have seen a damaged/worn third head (for clean still frame/slow motion) on two.The M10/20 are near bomb proof ,apart from the usual rubber parts and maybe ( if very high mileage) capstan motor.Also check for a cracked PCB.This i see fairly regularly too on the top loaders and NX100. Probably through rough handling in storage,shipping.

Roderick:

That is a good suggestion.I too have answered queries for help only to find members are overseas.I am in the UK if anyone is curious.

..........KevinThe IC's are still available.

Bill
Saturday 8th October 2011
9:29 am U.K.

electravibe10@googlemail.com

Hi Roderick,

You're absolutely right. However, I sometimes get suspicious about the number of useful, helpful, knowledgeable, intelligent Australians who crop up on the page! What's going on there? Whatever it is please don't give it up!

Seriously, was the story of Beta's collapse in Australia linked to the rise of the VHS rental market as it was in the UK?

Regards, Bill

Roderick
Friday 7th October 2011
8:59 pm U.K.

nospam@palsite.com

Just a general suggestion.

Because this board is visited by people from all around the world, if you need repairs or want to sell something, let people know where you live. Obviously not your full details, a country and city will be quite enough.That way people can offer much better help.

Mark Glennon
Friday 7th October 2011
12:40 pm U.K.

mark.glennon@ntlworld.com

I have a Sony SL-HF950, which has been stuck in a cupboard for many a year as the power supply does not work. I still have lots of old betamax tapes and was wondering if anybody can fix it or what the problem might be?

Terbor.liam
Friday 7th October 2011
9:10 am U.K.

terbor.liam@hotmail.com

Hi, I have a SL-C7US player, 7 boxed ordinal films and 15 tapes (in boxes), looking to sell, dose anyone know were I could sell them, or a Batemax club, with people looking to buy.

Thanks

Gabriel
Friday 7th October 2011
8:04 am U.K.

gabrigpb@hotmail.com

Monkey King,

Let me have a look to my HF100 (maybe a couple days till I can reach it) and Iīll tell you something about end switch location. However, I guess that this vcr shares a lot from 711B chassis betas, so just by having a look to a C30 or C20 would be the same. About "zero-residual spray", I always use the contact cleaner Fonestar G-22 and it usually gives good results.

Iīm glad of being helpful :-)

The Monkey King
Thursday 6th October 2011
11:00 pm U.K.

aem_international@yahoo.co.uk

Gabriel, thanks for your ideas on resolving the problem with my SL-HF100UB. You mention that the "end switch" may well be the cause of the problem ?? I've looked for it but without success, can you tell me the exact location of this switch and maybe a description of the item I'm looking for. Finally, you mention the term, "zero-residual spray helps with switches", is this another name for a switch cleaning lubricant such as "Servisol Super 10" ?? Regards, Len.

Gabriel
Thursday 6th October 2011
11:38 am U.K.

gabrigpb@hotmail.com

Kevin,

Thanks a lot for your help. Iīve been checking the PSU and that capacitor is not faulty. What is more, mains fuse is ok. Power supplies from Nx or M10-20 series are just similar, but they have less components (mechanically are the same because they fit the chassis). I will have to spend some time and have a deep check on that module. Sanyo M30 itīs a worth having vcr.

Any new tip is welcome!

About the HF100 which acts threading back and forth, without having a look to it, I would suspect from the end switch located near the point where guide no.1 should "arrive". Maybe itīs a question of adjustment or electrical failure of that switch. Sometimes, zero-residual spray helps with switches.

Len Horowitz
Thursday 6th October 2011
6:57 am U.K.

hrsrecords@gmail.com

I'm in "the states" so I can be a "Beta Pal" but this machine is NTSC..I am impressed with this Sanyo VTC 9100 and would like to find a NTSC manual for it.It is working well but there are some things I'd like to check.

The Monkey King
Wednesday 5th October 2011
10:08 pm U.K.

aem_international@yahoo.co.uk

Hi, a problem has developed with my Sony SL-HF100UB and I need some assistance please. After inserting the cassette through the entrance flap, the mechanism attempts to load the tape around the head which it does however when it gets to the end of it's travel the loading mechanism does'nt engage in place. Leaving the tape in place around the head, the mechanism proceeds to move backward and forward repeatedly, over and over again, something which will only stop when the eject button is pressed. The tape will then rewind cleanly back into the cassette and eject as normal. I'm hoping it's just an adjustment that's needed as it's a great machine. Any answers gratefully received, here's hoping the "Beta Brigade" can help point me in the right direction. Kind regards, Len.

K Lambert
Sunday 2nd October 2011
1:34 pm U.K.

kn2000@talktalk.net

Gabriel.

Try the mains filter capacitor in the PSU (orange/brown coloured) just next to where the mains lead comes in.It can fail and will take the main fuse out too if it does.This problem was more prolific onthe Sanyo VTC 5000. The M10 and NX100 are NOT compatible in any way either (despite being similar models) The NX100 having more ' cost compromises' in some areas than the older M10.Even the capstan is different.They did'nt even include the FF and REW LEDs oo keep costs low on the NX100. Beta really was struggling at this point.

Eddie.

Yes i too am a fan of the Sanyo M40.I have two in MINT shape.One has the gloosy black timer control door ,the other Sanyo's later flat black colour.They are as rare as hens teeth.A lot are broken due to Sanyo's poor design of having it hinge outwards, and therefore banged or knocked in this obvious vulnerable position.I have repaired or remade hinges and holding clasps to a few.The tracking control can also come apart inside if over or roughly used ,but this too can be repaired.Good luck in getting the flap.............Usualy if it is'nt included with the vcr it's history...sadly.

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

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