DPT-RP1: Ghosting

MarkFalk · 11-06-2024, 10:49 AM

Hello,

since some months my Sony DPT-RP1 shows the effect of "ghosting" - when opening / going to a new page the previous pages are still visible as "background-shadow", like "ghost"-pics of the previous pages, in darker and lighter colour. When changing the page the display is not erased to a "white" background and the background is no longer "white" (as it was in the past) but something as grey. When zooming into the page the "ghosting"-effect is less, but after "Exit" the zoom "ghosting" comes back.
Does anybody has an idea, what is the reason for this and how I can "repair" the device. I have just opened the reader and removed and reinserted the display-connectors but w/o success.

rkomar · 11-07-2024, 01:55 PM

This is just a guess, but maybe the battery doesn't provide enough current anymore to fully drive the display? Is it easy to replace the battery in those devices?

MarkFalk · 11-08-2024, 09:14 AM

I have already checked the battery, it is o.k.. I have also added a second battery for testing - no improvement. The battery is soldered with two cables for plus/minus and two cables for an NTC.

11-06-2024, 10:49 AM	#1
MarkFalk Member Posts: 13 Karma: 10 Join Date: Mar 2016 Device: kindle touch 5.3.7.3	DPT-RP1: Ghosting Hello, since some months my Sony DPT-RP1 shows the effect of "ghosting" - when opening / going to a new page the previous pages are still visible as "background-shadow", like "ghost"-pics of the previous pages, in darker and lighter colour. When changing the page the display is not erased to a "white" background and the background is no longer "white" (as it was in the past) but something as grey. When zooming into the page the "ghosting"-effect is less, but after "Exit" the zoom "ghosting" comes back. Does anybody has an idea, what is the reason for this and how I can "repair" the device. I have just opened the reader and removed and reinserted the display-connectors but w/o success.

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11-07-2024, 01:55 PM	#2
rkomar Wizard Posts: 3,054 Karma: 18821071 Join Date: Oct 2010 Location: Sudbury, ON, Canada Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633	This is just a guess, but maybe the battery doesn't provide enough current anymore to fully drive the display? Is it easy to replace the battery in those devices?

11-08-2024, 09:14 AM	#3
MarkFalk Member Posts: 13 Karma: 10 Join Date: Mar 2016 Device: kindle touch 5.3.7.3	I have already checked the battery, it is o.k.. I have also added a second battery for testing - no improvement. The battery is soldered with two cables for plus/minus and two cables for an NTC.

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