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Refurbing an old school classic Orion 250 HCCA x2!!!


Wicks

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Coming soon.....

;)

055F3F10-FE96-4386-BDEC-4EC82A3F70BF_zps

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2- DC Audio XL12m2

LEGAL             - 147.3dB @ 41Hz
OUTLAW         - 150.2dB @ 45Hz

OUTLAW         - 145.7dB @ 30Hz
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SOTM BUILD:
http://www.stevemeadedesigns.com/board/topic/141656-wicks-e46-m3-build-bass-turbo-button-and-a-big-new-addition/page-68#entry2802026

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Nice

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Here we go :woot:

The tear down.

Should be easy right ;)

First, here's a screen shot from an Orion brochure. I think this is for a 1st Gen, but the ratings should be the same:

Orion%20250HCCA%20Spec%20Screenshot_zpss

50W x 2 :o

I'm guessing we'll be able to hit that.... ;)

Let's take a tour around this beast:

1-HCCA_zpsv1y6yp3d.jpg

2-HCCA_zpsqzpaehem.jpg

3-HCCA_zpsshnduzbo.jpg

4-HCCA_zpsqa1skppn.jpg

Orion had their own wire running into the amp. Notice no terminals, wire runs right to the board.

Seen a lot of people over time clip these wires so there is just a little stub hanging out the end of the amp...

5-HCCA_zpsx8aluo6f.jpg

This post sent with 100% recycled electrons.
2004 BMW M3
Mechman 280A
2 - XS Power XP3000

1 - XS Power D375

500F of Maxwell SuperCaps (soon to be 1000F)
iPadMini2

Dash mounted O-scope
Audison bitOne (Remote DRC MP)
Highs Amp - PPI Art A404
Hertz HSK130 (HSK165 waiting...)
DC Audio DC9.0K
2- DC Audio XL12m2

LEGAL             - 147.3dB @ 41Hz
OUTLAW         - 150.2dB @ 45Hz

OUTLAW         - 145.7dB @ 30Hz
JUNE 2014 SOTM WINNER

2014 COLORADO PEOPLE'S CHOICE WINNER

SOTM BUILD:
http://www.stevemeadedesigns.com/board/topic/141656-wicks-e46-m3-build-bass-turbo-button-and-a-big-new-addition/page-68#entry2802026

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The amp has been "repaired" before.

Looks like we have a loose lead on this cap. <_<

6-HCCA_zpsjpgw5dxr.jpg

Both large Nichicon 3300uF 50V caps are bulged, not good.

Odd for a good quality cap like Nichicon to bulge. Might have been overheated.

7-HCCA_zpszvip5abu.jpg

8-HCCA_zpsizf8mmzh.jpg

9-HCCA_zpsw2o2intu.jpg

10-HCCA_zpsu7dglni9.jpg

11-HCCA_zpsto2cu7rr.jpg

12-HCCA_zpsyjlcx3zs.jpg

Don't see this anymore...... :cray:

13-HCCA_zpsadjin14n.jpg

This post sent with 100% recycled electrons.
2004 BMW M3
Mechman 280A
2 - XS Power XP3000

1 - XS Power D375

500F of Maxwell SuperCaps (soon to be 1000F)
iPadMini2

Dash mounted O-scope
Audison bitOne (Remote DRC MP)
Highs Amp - PPI Art A404
Hertz HSK130 (HSK165 waiting...)
DC Audio DC9.0K
2- DC Audio XL12m2

LEGAL             - 147.3dB @ 41Hz
OUTLAW         - 150.2dB @ 45Hz

OUTLAW         - 145.7dB @ 30Hz
JUNE 2014 SOTM WINNER

2014 COLORADO PEOPLE'S CHOICE WINNER

SOTM BUILD:
http://www.stevemeadedesigns.com/board/topic/141656-wicks-e46-m3-build-bass-turbo-button-and-a-big-new-addition/page-68#entry2802026

sig-sized6_zps0265e669.png

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14-HCCA_zpsfb2i7gwx.jpg

Pulled the board, here's the underside.

Notice the Philips head screw on the right side (positive power wire connection).

Very discolored with some gunk around the screw.

Not a good connection, extra resistance lead to some heat damage.

15-HCCA_zpshjpthnge.jpg

Now to get this brace bar off of the FETs......................

16-HCCA_zpsovpydhuy.jpg

Not playing nice.

17-HCCA_zpsagwjftc8.jpg

Had to use a flat screwdriver and pry the FETs off, some didn't make it...

18-HCCA_zpszgvicfn3.jpg

The foam used in padding the bar from the FETs has literally glued itself to the FETs.

Here's where it gets interesting.

19-HCCA_zpsxtbqcz7d.jpg

Had to bring out the utility knife and pry the FETs off.

....finally

20-HCCA_zpsypm2fy7a.jpg

Onto the other side.

21-HCCA_zpsjo2rtxco.jpg

This post sent with 100% recycled electrons.
2004 BMW M3
Mechman 280A
2 - XS Power XP3000

1 - XS Power D375

500F of Maxwell SuperCaps (soon to be 1000F)
iPadMini2

Dash mounted O-scope
Audison bitOne (Remote DRC MP)
Highs Amp - PPI Art A404
Hertz HSK130 (HSK165 waiting...)
DC Audio DC9.0K
2- DC Audio XL12m2

LEGAL             - 147.3dB @ 41Hz
OUTLAW         - 150.2dB @ 45Hz

OUTLAW         - 145.7dB @ 30Hz
JUNE 2014 SOTM WINNER

2014 COLORADO PEOPLE'S CHOICE WINNER

SOTM BUILD:
http://www.stevemeadedesigns.com/board/topic/141656-wicks-e46-m3-build-bass-turbo-button-and-a-big-new-addition/page-68#entry2802026

sig-sized6_zps0265e669.png

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Check out these HUGE rectifying diodes on the bottom of the board... :o

22-HCCA_zpstc2h3bc8.jpg

Now with all that foam gunk on the FETs, I had to scrape it off carefully to be able to read the part markings on all the silicon around the amp.

I don't have a parts list or schematics on this one so I need the part markings to know what the component is and what to get as a replacement.

Using my iPhone to take a picture of a scraped off FET through a microscope to see the part number.

23-HCCA_zpsqxnyz0bj.jpg

This part in particular is an LM337T, which is an adjustable negative voltage regulator.

Probably providing a negative supply voltage for some Op-amps on the broad which usually need +15V and -15V.

Here's something interesting...

Take another look at this picture:

4-HCCA_zpsqa1skppn.jpg

Focus on the right side, that's the power supply section.

If you follow those FETs around the section and count them up..............18 :shok:

This amp is rated at 50W x 2.

My previous Punch200 that I refurb'd was rated at 100W x 2 and only had 4 PSU FETs.......TOTAL.

This under-rated beast has 18...

This refurb should be fun ;)

This post sent with 100% recycled electrons.
2004 BMW M3
Mechman 280A
2 - XS Power XP3000

1 - XS Power D375

500F of Maxwell SuperCaps (soon to be 1000F)
iPadMini2

Dash mounted O-scope
Audison bitOne (Remote DRC MP)
Highs Amp - PPI Art A404
Hertz HSK130 (HSK165 waiting...)
DC Audio DC9.0K
2- DC Audio XL12m2

LEGAL             - 147.3dB @ 41Hz
OUTLAW         - 150.2dB @ 45Hz

OUTLAW         - 145.7dB @ 30Hz
JUNE 2014 SOTM WINNER

2014 COLORADO PEOPLE'S CHOICE WINNER

SOTM BUILD:
http://www.stevemeadedesigns.com/board/topic/141656-wicks-e46-m3-build-bass-turbo-button-and-a-big-new-addition/page-68#entry2802026

sig-sized6_zps0265e669.png

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