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Help needed with Toshiba DVD recorder
Guiri96
16-12-2007
My Toshiba DVR35 (recordable DVD + VHS) has sudenly died.
I had to turn my mains off earlier for a short while; when it was turned back on, everything was fine apart from the DVD recorder.
I've changed the fuse in the plug, tried it in a different socket, but it won't even come on to standby. Totally dead.
Anyone any ideas?
Thanks in advance.
Nigel Goodwin
16-12-2007
Probably the startup components in the PSU?. Switch mode power supplies need power to run, and provide that power themselves - which is rather a 'chicken and egg' situation. So they have startup components, usually a capacitor or a resistor that gives the PSU a 'kick' to get it going from cold.

Once it's running those components have no effect on it's operation, so it's fairly common that they fail and you don't notice - until you unplug the unit, and it fails to start when you plug it back in.
Guiri96
16-12-2007
Thanks for that.
So does that mean it's permanently dead or can I get replacement bits?
Nigel Goodwin
16-12-2007
I've just checked on Toshiba's website, there's a technical bulletin for being dead:

Quote:
“Model(s)
DVR15, DVR25, DVR30, DVR35
Symptom
Dead
Cause
Diode D1S35 failure (Goes S/C)
Cure
Replace diode with new improved type as follows:

Original: D1S35 (PN 0402-001624)
Alternative to prevent repeat fault: SF34 (PN 0402-001680) ”

I've downloaded the service manual as well, if you PM me your email address I can send it you?.
Nigel Goodwin
16-12-2007
Just a quick update, I've been studying the manual, startup components would be C1S09, and R1S05, R1S07, R1S08.

I would also suggest any of the capacitors on the output of the supply, particularly if it makes a tick or two and trys to start then gives up.
Guiri96
17-12-2007
Thanks for the advice. I've taken it into my local TV repair shop for them to sort out.
Guiri96
19-12-2007
Nigel,

You were absolutely correct. Got it back from the village shop in under 24 hours, £35 all fixed.

Thanks
Nigel Goodwin
19-12-2007
Originally Posted by Guiri96:
“Nigel,

You were absolutely correct. Got it back from the village shop in under 24 hours, £35 all fixed.”

Can't grumble at that, fast service and a decent price!.
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