Toshiba portable DVD player
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From: Mark Zacharias on 9 Feb 2010 06:06 "D Yuniskis" <not.going.to.be(a)seen.com> wrote in message news:hkq5ik$e2$1(a)speranza.aioe.org... > Hi Reverend; Sam, > > Samuel M. Goldwasser wrote: >> b <reverend_rogers(a)yahoo.com> writes: >> >>> On Feb 2, 3:08 am, D Yuniskis <not.going.to...(a)seen.com> wrote: >>>> A friend dropped off a Toshiba SD-P1900 portable DVD player >>>> for me to look at. No mechanical sign of life -- power indicator >>>> successfully illuminates to indicate charging vs. charged. >>>> Backlight illuminates screen as power is turned on (enough >>>> to show the screen has no blemishes, etc.). >>>> >>>> But, no motor activity. Nor does the optical pickup move >>>> on its carriage. >>>> >>>> I think these things are cheap enough that this one should >>>> just find its way to the recycle bin? (a shame as it really >>>> is pretty!) >>> I'd start by tracing the voltage back from the deck to the regulators >>> on the pcb. Could be a protection device open > > I'd have thought I would lose the backlight, charging/charged/power > LED, etc. as well with such a failure. I think it more likely that > the motor servo amp is toast -- since neither the head positioning > actuator runs *nor* the spindle motor. (I think these amps > run both?) > >> Also, you can pick up parts units on eBay dirt cheap. Something with a >> bad drive or screen but good mainboard might be the easiest way to fix >> yours. Anything beyond a blown fuse or broken connection makes most of >> these >> unfixable by mear mortals. :) > > Yeah, I am more inclined to just toss it than throw money after it. > I note the unit had an extended warranty (sheesh! when will > people learn??!) on it -- that expired 3 weeks ago. :> Late to this thread - but I'd certainly check the lid switch. It will never focus or home the laser or indeed even run any motor if it doesn't see the lid closed... Mark Z.
From: D Yuniskis on 9 Feb 2010 12:48 Hi Mark, Mark Zacharias wrote: > "D Yuniskis" <not.going.to.be(a)seen.com> wrote in message > news:hkq5ik$e2$1(a)speranza.aioe.org... >> Samuel M. Goldwasser wrote: >>> b <reverend_rogers(a)yahoo.com> writes: >>> >>>> On Feb 2, 3:08 am, D Yuniskis <not.going.to...(a)seen.com> wrote: >>>>> A friend dropped off a Toshiba SD-P1900 portable DVD player >>>>> for me to look at. No mechanical sign of life -- power indicator >>>>> successfully illuminates to indicate charging vs. charged. >>>>> Backlight illuminates screen as power is turned on (enough >>>>> to show the screen has no blemishes, etc.). >>>>> >>>>> But, no motor activity. Nor does the optical pickup move >>>>> on its carriage. >>>>> >>>>> I think these things are cheap enough that this one should >>>>> just find its way to the recycle bin? (a shame as it really >>>>> is pretty!) >>>> I'd start by tracing the voltage back from the deck to the regulators >>>> on the pcb. Could be a protection device open >> >> I'd have thought I would lose the backlight, charging/charged/power >> LED, etc. as well with such a failure. I think it more likely that >> the motor servo amp is toast -- since neither the head positioning >> actuator runs *nor* the spindle motor. (I think these amps >> run both?) >> >>> Also, you can pick up parts units on eBay dirt cheap. Something with a >>> bad drive or screen but good mainboard might be the easiest way to fix >>> yours. Anything beyond a blown fuse or broken connection makes most >>> of these >>> unfixable by mear mortals. :) >> >> Yeah, I am more inclined to just toss it than throw money after it. >> I note the unit had an extended warranty (sheesh! when will >> people learn??!) on it -- that expired 3 weeks ago. :> > > Late to this thread - but I'd certainly check the lid switch. It will > never focus or home the laser or indeed even run any motor if it doesn't > see the lid closed... Aside from backlight, nothing on the screen.
From: Samuel M. Goldwasser on 9 Feb 2010 21:05
D Yuniskis <not.going.to.be(a)seen.com> writes: > Hi Mark, > > Mark Zacharias wrote: > > "D Yuniskis" <not.going.to.be(a)seen.com> wrote in message > > news:hkq5ik$e2$1(a)speranza.aioe.org... > >> Samuel M. Goldwasser wrote: > >>> b <reverend_rogers(a)yahoo.com> writes: > >>> > >>>> On Feb 2, 3:08 am, D Yuniskis <not.going.to...(a)seen.com> wrote: > >>>>> A friend dropped off a Toshiba SD-P1900 portable DVD player > >>>>> for me to look at. No mechanical sign of life -- power indicator > >>>>> successfully illuminates to indicate charging vs. charged. > >>>>> Backlight illuminates screen as power is turned on (enough > >>>>> to show the screen has no blemishes, etc.). > >>>>> > >>>>> But, no motor activity. Nor does the optical pickup move > >>>>> on its carriage. > >>>>> > >>>>> I think these things are cheap enough that this one should > >>>>> just find its way to the recycle bin? (a shame as it really > >>>>> is pretty!) > >>>> I'd start by tracing the voltage back from the deck to the regulators > >>>> on the pcb. Could be a protection device open > >> > >> I'd have thought I would lose the backlight, charging/charged/power > >> LED, etc. as well with such a failure. I think it more likely that > >> the motor servo amp is toast -- since neither the head positioning > >> actuator runs *nor* the spindle motor. (I think these amps > >> run both?) > >> > >>> Also, you can pick up parts units on eBay dirt cheap. Something with a > >>> bad drive or screen but good mainboard might be the easiest way to fix > >>> yours. Anything beyond a blown fuse or broken connection makes > >>> most of these > >>> unfixable by mear mortals. :) > >> > >> Yeah, I am more inclined to just toss it than throw money after it. > >> I note the unit had an extended warranty (sheesh! when will > >> people learn??!) on it -- that expired 3 weeks ago. :> > > Late to this thread - but I'd certainly check the lid switch. It > > will never focus or home the laser or indeed even run any motor if > > it doesn't see the lid closed... > > Aside from backlight, nothing on the screen. The only thing that may be working is the backlight and lid switch. :) Normally, the Toshiba DVD players will display a welcome screen even if the DVD drive is dead. -- sam | Sci.Electronics.Repair FAQ: http://www.repairfaq.org/ Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/ +Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm | Mirror Sites: http://www.repairfaq.org/REPAIR/F_mirror.html Important: Anything sent to the email address in the message header above is ignored unless my full name AND either lasers or electronics is included in the subject line. Or, you can contact me via the Feedback Form in the FAQs. |