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HIMEDIA HD-8 Media player + DMB-TH

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kk_ho 發表於 2009-1-25 13:31:50 | 顯示全部樓層 |閱讀模式
Modify by KK.HO

kk_ho@hififever.com

Advance 摩機原理講座 soon.

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 樓主| kk_ho 發表於 2009-2-4 23:20:20 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

Feature list:
Support Microsoft XBOX360 external HDDVD drive.

Bug list:
No USB power switch (power management), what happen ?
NO ESD protection diode at HDMI output IC
Blanking screen when no signal (Black screen)
Ouptut front channel only for playing DVD(ISO) over HDMI output. *not downmix.

De-bug:
Adding USB power management switch, see download link below:
http://www.ti.com/lit/gpn/tps2041b


Adding ESD protection diode at HDMI output, see attached file

Modification list:
Power supply (ultra low ESD capacitor)
Dedicated audio board (7.1 channel)

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 樓主| kk_ho 發表於 2009-2-5 21:58:32 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

NO ESD diode protection in HDMI port.

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 樓主| kk_ho 發表於 2009-2-6 12:48:23 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

With XBOX 360 External HDDVD ROM

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 樓主| kk_ho 發表於 2009-2-9 13:19:24 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

[quote:a6025f5580="kk_ho"]Feature list:
Support Microsoft XBOX360 external HDDVD drive.

Bug list:
No USB power switch (power management), what happen (solved)?
NO ESD protection diode at HDMI output IC (solved)
Blanking screen when no signal (Black screen)
Ouptut front channel only for playing DVD(ISO) over HDMI output. *not downmix. (Partial happen)

De-bug:
Adding USB power management switch, see download link below:
http://www.ti.com/lit/gpn/tps2041b


Adding ESD protection diode at HDMI output, see attached file

Modification list:
0.5ppm TCXO (SEIKO) for SMP8635
Power supply (ultra low ESD capacitor)
Re-design power management unit
Faster DDR-II memory.... $$$
HDMI transmitter --> TI or Silicon Graphic
XBOX 360 remote control code mapping. (use X360 MCE remote instead of original)
Native IDE HDD (The chipset is support IDE bus, for SATA, it need the coversion controller....)
Dedicated audio board (7.1 channel), same as LX91
2 R-CORE for Digital and Analog...
[/quote]
 樓主| kk_ho 發表於 2009-2-10 23:33:53 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

改左既 demo (complete 40% only) 放了在余生辦工室

我改既機衹有二部
一部在Hi-media 香港代理余生辦工室, 其他分銷商無此 demo
一部在我家中, 已全改, 下週帶到別個國家做 HDMI test


Video : 實淨加顏色靚

Audio : 超巨大分別

我用 Batman 黑夜之神 (第一幕打劫果段)

自己上去試下啦
 樓主| kk_ho 發表於 2009-2-20 01:01:32 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

醒多招比大家, 吾用跟機牛, 轉用:
PSP 牛  (原裝 SONY) OR
Delta 5V 2.5A Adaptor, 在深水(步)自己塭塭
 樓主| kk_ho 發表於 2009-3-9 21:22:10 | 顯示全部樓層

Re: HIMEDIA HD-8 Media player + DMB-TH

DC socket exchange

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simonhing 發表於 2009-5-17 14:27:36 | 顯示全部樓層
請問 KK.HO 兄 ,   Delta 5V 2.5A Adaptor 那裡有得買呢 ? 我在深水埗大大少少
的商店問過都搵唔到呢 !!! THX !!!
 樓主| kk_ho 發表於 2009-5-17 21:20:06 | 顯示全部樓層
NEW Capital computer plaza

http://www.lonelyplanet.com/china/hong-kong/shopping/364543#
simonhing 發表於 2009-5-20 18:14:57 | 顯示全部樓層
[quote:e15392aa14="kk_ho"]NEW Capital computer plaza

http://www.lonelyplanet.com/china/hong-kong/shopping/364543#[/quote]

Thanks !!!!
simonhing 發表於 2009-5-21 22:37:55 | 顯示全部樓層
ha ha ~ 睇漏左 DC 0既 socket  都要換埋 , 唔識攪添  ^_^!!!
siubay 發表於 2009-6-14 16:36:05 | 顯示全部樓層
買咗PSP原裝牛,好細隻,不過發現output係5V 1500mA, HD8A原裝有成3000mA, 機未改DC socket, 請問樓隻牛會唔會唔夠力?
 樓主| kk_ho 發表於 2009-6-15 14:40:08 | 顯示全部樓層
SONY PSP original power supply is 5V 2000mA.

I will post the photo at tonight.

It can boost up to 3000mA and protection at 3500mA.
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