Need Help with Clarion Deck...PLEASE....

fredrow · 3rd March 2009, 08:26 PM

Hi I am working on a Clarion deck. DRX-9175.

Im just trying to find a Diode on Digi-Key to replace the Toshiba 1S1885A. If you know of another diode to use in place of this one please let me know. And Im also trying to find out what value the choke is in this deck. I will attach the schematics of it, any info is good. Choke (T401) on the schematic.

Email me and I will give you the schematic to look at.

MF_Fredrow@hotmail.com

Perry Babin · 3rd March 2009, 08:48 PM

http://www.bdent.com/search/part.jsp?partnum=1S1885

A 1N4002 is the equivalent.

The parts list should give the value of the inductor. If it's in series with the B+ line, it's not likely to be critical.

fredrow · 3rd March 2009, 10:00 PM

Yes it is in series with the B+, but they do not have a value for it. Only a part number which I believe it's just for the Clarion deck part number (009-0618-00)

fredrow · 4th March 2009, 12:02 AM

ahhhh, I think I was looking at this too hard. The choke is being used in a circuit for DC-DC converting. I believe they are using it to step up the voltage. Because if I'm not wrong, the voltage going to the deck is only 12.5V(from the car battery, and on the schematic right after the choke where it runs to the diode they have 13.9V writting on the schematic, so I can have to figure out what size of choke to use their.
What do you think??

Perry Babin · 4th March 2009, 12:07 AM

If they're using it as part of a power supply, it's critical to get the correct one. Have you tried pacparts to get the original part?

Don't believe everything in a service manual. There aren't many that don't have at least one mistake. If they were using this to step up the voltage, it would likely be more than a couple of volts. Can you post a screen cap of this area of the schematic?

fredrow · 4th March 2009, 12:29 AM

I sent you a copy of the whole schematic last night through your email.

fredrow · 4th March 2009, 12:48 AM

If you didnt get it just let me know......

Perry Babin · 4th March 2009, 10:14 AM

I didn't get it. The email will block anything over 20megs. Was it larger than that?

fredrow · 4th March 2009, 02:37 PM

It was way smaller, the file is only 8.6KB.....

Well I will send it to you again, Im off to School right now, so I will check for a message from you when I get home.

Perry Babin · 4th March 2009, 03:16 PM

That part isn't critical. For testing, you can bypass it.

3rd March 2009, 08:26 PM	#1
fredrow diyAudio Member Join Date: Feb 2009	Need Help with Clarion Deck...PLEASE.... Hi I am working on a Clarion deck. DRX-9175. Im just trying to find a Diode on Digi-Key to replace the Toshiba 1S1885A. If you know of another diode to use in place of this one please let me know. And Im also trying to find out what value the choke is in this deck. I will attach the schematics of it, any info is good. Choke (T401) on the schematic. Email me and I will give you the schematic to look at. MF_Fredrow@hotmail.com

3rd March 2009, 08:48 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	http://www.bdent.com/search/part.jsp?partnum=1S1885 A 1N4002 is the equivalent. The parts list should give the value of the inductor. If it's in series with the B+ line, it's not likely to be critical. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

4th March 2009, 12:07 AM	#5
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If they're using it as part of a power supply, it's critical to get the correct one. Have you tried pacparts to get the original part? Don't believe everything in a service manual. There aren't many that don't have at least one mistake. If they were using this to step up the voltage, it would likely be more than a couple of volts. Can you post a screen cap of this area of the schematic? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

4th March 2009, 10:14 AM	#8
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	I didn't get it. The email will block anything over 20megs. Was it larger than that? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

4th March 2009, 03:16 PM	#10
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	That part isn't critical. For testing, you can bypass it. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links


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3rd March 2009, 10:00 PM	#3
fredrow diyAudio Member Join Date: Feb 2009	Yes it is in series with the B+, but they do not have a value for it. Only a part number which I believe it's just for the Clarion deck part number (009-0618-00)

4th March 2009, 12:02 AM	#4
fredrow diyAudio Member Join Date: Feb 2009	ahhhh, I think I was looking at this too hard. The choke is being used in a circuit for DC-DC converting. I believe they are using it to step up the voltage. Because if I'm not wrong, the voltage going to the deck is only 12.5V(from the car battery, and on the schematic right after the choke where it runs to the diode they have 13.9V writting on the schematic, so I can have to figure out what size of choke to use their. What do you think??

4th March 2009, 12:29 AM	#6
fredrow diyAudio Member Join Date: Feb 2009	I sent you a copy of the whole schematic last night through your email.

4th March 2009, 12:48 AM	#7
fredrow diyAudio Member Join Date: Feb 2009	If you didnt get it just let me know......

4th March 2009, 02:37 PM	#9
fredrow diyAudio Member Join Date: Feb 2009	It was way smaller, the file is only 8.6KB..... Well I will send it to you again, Im off to School right now, so I will check for a message from you when I get home.

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