Jimmy’s Junkyard

Artist: Ingram Washington
Album: What A Difference A Day Makes
Publisher: STS Digital
Recording Technology: -

About this album:
This is one of the most recommended album. Superb recording and superb male baritone vocal. Most of the songs came from the classic song, like “Unforgettable”, “Smile”, “What a Wonderful World”, etc. When he was young, Ingram enjoyed music from Nat King Cole, Sinatra, Al Hibbler, Arthur Prysock, and Billy Eckstine. No surprise if his style was similar with them.

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If you haven’t read my previous article, please click here. I discussed the mod of MX5021’s satellites. Now, it’s time for the electronic parts

I opened the Altec MX5021 subwoofer yesterday. Here’s the picture of the board inside. We can see two big rectifier, some big capacitors (removed from the board), and some op-amps (all are ST4558C).

We have two chip for amplifier here, one is TDA7265 and other is TDA7295. Both from ST. One for driving the both satellite (TDA7265, 2×25 Watt), and one for subwoofer (TDA7295, 80 Watt).

Photo above shows the removed main capacitor. Well, they come from “well known brand”, Samxon. You can see the value, 4700 uF, 2200 uF, and 1000 uF. I remove them all.

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I just got a bunch of ALPS 100K Motorized Potentiometer with LED. It’s a New Old Stock (NOS) items. Very rare items! Excellent stuff at affordable price. Below is some photos.

Currently I have around 20 pieces on stock. Some have been taken by my friend for his project.

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I just remember this tips today. Last year, when I was upgrading my iPAQ hx4700 (I’m stil using it right now) to Windows Mobile 2005, somehow the system was stucked. I didn’t know why, but it couldn’t boot up. Just showing boot up screen but never showed the Today Screen.

I remember that iPAQ (my old one, the 36xx) has a unique Parrot Mode (or debug mode in common terms). I looked around the web to find the shortcut button to enter the debug mode. Finally, I found the shortcut. The keys are “AddressBook + iTask + Reset” button. All pressed on the same time. Your screen will show HP logo with no backlight. Connect it to your PC (USB/serial) then re-flash your hx4700 either with WM2003 (original ROM) or with WM2005. Just run the ROM executable to re-flash your hx4700.

Another example: XDA
I also have another experience with my XDA IIs (HTC Blue Angel). Well, I played with some ROMs from XDA Developer and few times my device locked up. And I have to re-flash it back. The only way to solve this problem is by entering the debug mode by pressing the “Soft Reset + Power + Side Navigator” button. Then, connect your XDA to the PC and re-flash it back.

This method will work to fix the “dead” XDA/iPAQ due to corrupted ROM and power failure during flashing process.

My friend email-ed me and told that M&K was closing down their Chatsworth factory. I don’t believe that, since, yeah, M&K is one of my favorite subwoofer. I check M&K website and their online store and see this announcement.

Click the picture below to enlarge.

It’s truly a sad news if M&K is really closing down their business. I love their product. Affordable price and very musical for movie and music.