doctor who timelord machine with faulty sound

the15thdoctor · Post by **the15thdoctor** » Wed Aug 06, 2008 9:05 pm

Hi i have a dr who timelord fuit machine that has suddenly lost its sound. The speaker has been checked and periodicly it does play scratchy samples. Before the sound went completly it was prone to the sound breaking up and incorrect samples playing !! K9 never screamed exterminate as far as im aware !!! Any help greatly appreciated.

aaamusements.co.uk · Post by **aaamusements.co.uk** » Wed Aug 06, 2008 11:30 pm

the15thdoctor wrote:Hi i have a dr who timelord fuit machine that has suddenly lost its sound. The speaker has been checked and periodicly it does play scratchy samples. Before the sound went completly it was prone to the sound breaking up and incorrect samples playing !! K9 never screamed exterminate as far as im aware !!! Any help greatly appreciated.

What manufacturer and tech is this?

machine doctor · Post by **machine doctor** » Thu Aug 07, 2008 7:56 pm

Old Bell Fruit on Scorpion 2 tech?,If so then the fault will most prob be RAM corrupt.The battery will have to be shorted to clear the RAM(with machine switched off).
And whilst on the subject of the battery, As we inform everyone check the batteries condition and if it's the old blue in colour type and leaking it will be corroding your board causing more problems,Including possibly this one.
This type of battery requires immediate removal and replaced.

the15thdoctor · Post by **the15thdoctor** » Thu Aug 07, 2008 10:37 pm

thanks for the replies, yes it is a bell machine, im new to this, where would i find the battery ?? dont want to pull the whole machine apart if its somewhere simple. Sorry to be a pain. and again thank you for the help. PS is there a way to get free play if so how ??

the15thdoctor · Post by **the15thdoctor** » Thu Aug 07, 2008 11:09 pm

Found the battery ! it IS blue and has leaked. Voltage is only 0.16v How do i remove the battery as it appears to be fixed to the board ?. There is also a memory error coming up but as i type this its not doing it !!! Thanks again in advance for any help.

aaamusements.co.uk · Post by **aaamusements.co.uk** » Thu Aug 07, 2008 11:54 pm

the15thdoctor wrote:Found the battery ! it IS blue and has leaked. Voltage is only 0.16v How do i remove the battery as it appears to be fixed to the board ?. There is also a memory error coming up but as i type this its not doing it !!! Thanks again in advance for any help.

You need to desolder the 3 pins from the circuit board.
Sounds like it has probably already screwed the board unfortunately.

When you have removed it you will need to neutralise any alkali residue on the board, using diluted vinegar; then rinse and dry thoroughly.

This will stop the board getting any worse. It can probably be repaired, most can.

the15thdoctor · Post by **the15thdoctor** » Fri Aug 08, 2008 12:22 am

Thanks looks like i'll need to buy a soldering iron then ! the error isnt coming up anymore and the machine plays ok so i hope i might just need a battery and to clear the memory as mentioned. Thank you for the help. oh one thing is there a way to get free play on this machine ?

aaamusements.co.uk · Post by **aaamusements.co.uk** » Fri Aug 08, 2008 10:55 am

the15thdoctor wrote:Thanks looks like i'll need to buy a soldering iron then ! the error isnt coming up anymore and the machine plays ok so i hope i might just need a battery and to clear the memory as mentioned. Thank you for the help. oh one thing is there a way to get free play on this machine ?

That's good news.
You should still clean any residue off the board though, or it will sit there and continue to eat away!

It should go into freeplay with the cashdoor open? I can't remember or find the manual at the moment.
Think you have to set one of the dipswitches to get free credits though even in freeplay mode.

machine doctor · Post by **machine doctor** » Fri Aug 08, 2008 7:49 pm

Yes well done you might just have saved your board but get that battery off even if you dont have a replacement.
That memory error is because the battery is flat.
If you are new to this take your time with what you are doing as you will have to disconnect the board to desolder the old battery,write down or mark all the positions of the plugs connected to the board as some can be fitted back in the wrong place and if you do that you will prob destroy the board.
As said just three pins to desolder, slowly and carefully remove the battery make sure none of the board tracking is not lifting off with it.
To answer your question on the free play,open the back door,the machine should reset,press the green button on the main board twice,this should put 50 free credits on the display.
If you do not press the green button correctly or fast enough(within 1 sec)the machine will go into test,to clear this just close the back door then open again and repeat above

the15thdoctor · Post by **the15thdoctor** » Sat Aug 09, 2008 11:07 am

thank you BOTH for you help very much appreciated. I have noted that the green is lifting around the battery, so im a bit worried about removing the battery without destroying the circuit. I live in salisbury wiltshire, do either of you know anyone that may be able to save this board ?. Again thank you for helping me get this far.

aaamusements.co.uk · Post by **aaamusements.co.uk** » Sat Aug 09, 2008 6:58 pm

the15thdoctor wrote:thank you BOTH for you help very much appreciated. I have noted that the green is lifting around the battery, so im a bit worried about removing the battery without destroying the circuit. I live in salisbury wiltshire, do either of you know anyone that may be able to save this board ?. Again thank you for helping me get this far.

You are very welcome.

The green stuff lifting is hopefully just the lacquer.

Can't think of anyone around there offhand, you might have to post the board somewhere.

the15thdoctor · Post by **the15thdoctor** » Mon Aug 11, 2008 1:59 pm

i have removed the battery and all sound is back !!! just one more quick question can i replace the 3.6v 110mAh battery with 3 single nicads of the same voltage but they are 250mAh ?? I await your reply.

machine doctor · Post by **machine doctor** » Mon Aug 11, 2008 2:23 pm

You are best replacing it with the recommended battery which is usually 3.6v NI-MH (Nickel Metal Hydryde)About 150/160 mAh.
A few of the guys on here can supply you with one.

aaamusements.co.uk · Post by **aaamusements.co.uk** » Mon Aug 11, 2008 3:45 pm

machine doctor wrote:You are best replacing it with the recommended battery which is usually 3.6v NI-MH (Nickel Metal Hydryde)About 150/160 mAh.
A few of the guys on here can supply you with one.

http://cgi.ebay.co.uk/Battery-BELLFRUIT ... 18Q2el1247

You can just use 3 single batteries in a holder, I know of people who always do - just remember that they will need to be pre charged as the circuit on the board could take ages to charge them otherwise!

machine doctor · Post by **machine doctor** » Mon Aug 11, 2008 8:05 pm

You can just use 3 single batteries in a holder, I know of people who always do - just remember that they will need to be pre charged as the circuit on the board could take ages to charge them otherwise!

That's why I would recommend not to use them although they will work when installed fully charged, people I have known to try that have ended up with faults to the charging circuit on the board and not able to keep all three batteries equally charged,resulting in memory alarms and RAM corruption.
Far easier to stick to the origional part replacement.

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doctor who timelord machine with faulty sound

doctor who timelord machine with faulty sound

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