Pioneer DV-355 PS problem

Bud · 18th January 2005, 01:33 PM

I've had this player die on me for the 3rd time (previous times under warranty). Now I have to fix it myself. Does anybody know why the PS constantly blows? Any schematics available?

Charles Hansen · 20th January 2005, 08:16 AM

I'm not familiar with that model, as it wasn't sold with that number in the US. Please look on the PS PCB and see if there is an assembly number such as "VWR1353" or similar.

DirkD · 20th January 2005, 09:35 AM

Hi there Bud

I also have a Pioneer DV 355. I would be happy to help by measuring voltages on the power supply or checking component values for you. By the way, I upgraded my player and it sounds much better now.

Dirk

Beaven Wiggett · 11th March 2005, 01:58 PM

I also have the DV355 DVD Player - My PSU has also gone on the thing - I contacted Tedelex in JHB, they have PSUs for R225 excl. VAT. I think though it is the switching IC that is gone on my one - MIP2E5DMY, which I can't seem to get hold of. They only have the lower rated ones with the panasonic agents. My PSU in my DV Player is made by Tamura. There is no VWR number on it, although when I spoke to the agents they gave me the following part number VWR 1364 - is this the correct PSU number. My PSU has the following numbers on:
KY033H

Anyway are you able to clarify that the part number given above - VWR 1364 is the correct PSU for the player ?

By the way - my DVD player was struck by lightning - thats the only reason it went. I can see a very small spark mark on the underside of the PCB close to the AC inlet on the "spikes". Tested all the fuses and diodes - therefore presume the Switcher has gone. The PSU is designed very badly - they should have included a ground to earth - if I get a new PSU - I will connect ground to the Chasis and the 3 prong plug.

Charles Hansen · 13th March 2005, 01:59 AM

From a Pioneer Service Bulletin that covers the VWR1364 power supply unit:

SYMPTOM -- No Power

CAUSE -- Resistor R74 on the power supply unit is opened.
(R74 may have received voltage which is more than the resistor’s voltage rating spec, and this could cause R74 to have an electric corrosion damage.

SERVICE -- After confirming that R74 is open, replace the power supply unit with the new unit.

REMEDY -- (On the new unit, R74 is changed from “carbon type” to “metal film type” which will not have the electric corrosion damage.)

NOTE -- When the power supply unit becomes defective due to R74 open, other component parts on the power supply unit could also be damaged. Therefore, it is necessary to replace the unit with the new unit.

larrya · 5th May 2006, 03:17 AM

I have this Pioneer DVD player and R 74 was open on the PS. I replaced R 74 with a 1/2 watt resistor without doing anything else and the machine came up and is performing as it should. Must be lucky

computeruser · 7th May 2006, 12:58 AM

Service manual setion covering the DV-355 power supply (this is all I have)

computeruser · 7th May 2006, 01:01 AM

says file is too large. It is only 442K. Post your email and I'll send it to you.

budzz · 16th September 2006, 06:38 AM

Hi computeruser.
Can you email me the service manual please for the Pioneer DV-355 DVD player.
I have the same problem whereby it doesnt wanna turn on.
I suspect a power surge in my area to be the cause.

Thanks heaps!

budzz · 23rd September 2006, 06:53 AM

Hi Computeruser
If you can post the file to buddyfriend850@hotmail.com that would be great!

Thanks!!!

18th January 2005, 01:33 PM	#1
Bud diyAudio Member Join Date: Jan 2005 Location: Durban	Pioneer DV-355 PS problem I've had this player die on me for the 3rd time (previous times under warranty). Now I have to fix it myself. Does anybody know why the PS constantly blows? Any schematics available?

5th May 2006, 03:17 AM	#6
larrya diyAudio Member Join Date: May 2006	R 74 open in DV-355 PS I have this Pioneer DVD player and R 74 was open on the PS. I replaced R 74 with a 1/2 watt resistor without doing anything else and the machine came up and is performing as it should. Must be lucky

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20th January 2005, 08:16 AM	#2
Charles Hansen diyAudio Member Join Date: May 2003 Location: Colorado	I'm not familiar with that model, as it wasn't sold with that number in the US. Please look on the PS PCB and see if there is an assembly number such as "VWR1353" or similar.

20th January 2005, 09:35 AM	#3
DirkD diyAudio Member Join Date: May 2004 Location: Paarl, South africa	Hi there Bud I also have a Pioneer DV 355. I would be happy to help by measuring voltages on the power supply or checking component values for you. By the way, I upgraded my player and it sounds much better now. Dirk

11th March 2005, 01:58 PM	#4
Beaven Wiggett diyAudio Member Join Date: Mar 2005 Location: Pietermariztburg	I also have the DV355 DVD Player - My PSU has also gone on the thing - I contacted Tedelex in JHB, they have PSUs for R225 excl. VAT. I think though it is the switching IC that is gone on my one - MIP2E5DMY, which I can't seem to get hold of. They only have the lower rated ones with the panasonic agents. My PSU in my DV Player is made by Tamura. There is no VWR number on it, although when I spoke to the agents they gave me the following part number VWR 1364 - is this the correct PSU number. My PSU has the following numbers on: KY033H Anyway are you able to clarify that the part number given above - VWR 1364 is the correct PSU for the player ? By the way - my DVD player was struck by lightning - thats the only reason it went. I can see a very small spark mark on the underside of the PCB close to the AC inlet on the "spikes". Tested all the fuses and diodes - therefore presume the Switcher has gone. The PSU is designed very badly - they should have included a ground to earth - if I get a new PSU - I will connect ground to the Chasis and the 3 prong plug.

13th March 2005, 01:59 AM	#5
Charles Hansen diyAudio Member Join Date: May 2003 Location: Colorado	From a Pioneer Service Bulletin that covers the VWR1364 power supply unit: SYMPTOM -- No Power CAUSE -- Resistor R74 on the power supply unit is opened. (R74 may have received voltage which is more than the resistor’s voltage rating spec, and this could cause R74 to have an electric corrosion damage. SERVICE -- After confirming that R74 is open, replace the power supply unit with the new unit. REMEDY -- (On the new unit, R74 is changed from “carbon type” to “metal film type” which will not have the electric corrosion damage.) NOTE -- When the power supply unit becomes defective due to R74 open, other component parts on the power supply unit could also be damaged. Therefore, it is necessary to replace the unit with the new unit.

7th May 2006, 12:58 AM	#7
computeruser diyAudio Member Join Date: Dec 2004 Location: Montreal	Service manual setion covering the DV-355 power supply (this is all I have)

7th May 2006, 01:01 AM	#8
computeruser diyAudio Member Join Date: Dec 2004 Location: Montreal	says file is too large. It is only 442K. Post your email and I'll send it to you.

16th September 2006, 06:38 AM	#9
budzz diyAudio Member Join Date: Sep 2006	Hi computeruser. Can you email me the service manual please for the Pioneer DV-355 DVD player. I have the same problem whereby it doesnt wanna turn on. I suspect a power surge in my area to be the cause. Thanks heaps!

23rd September 2006, 06:53 AM	#10
budzz diyAudio Member Join Date: Sep 2006	Hi Computeruser If you can post the file to buddyfriend850@hotmail.com that would be great! Thanks!!!

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