608~剛入手(新加相...新入窮門...見諒)

cfsdms

有新玩具

kennethtcp

HDMI 唔可以hot plug, hot plug會跳火,到時燒咗塊HDMI板真係欲哭無淚
babuwa 發表於 2010-5-16 09:46

HDMI 係 support Hot plug 的, 為左可以 hot plug, HDMI Receiver IC 都設有 protection diode, 防止一插入去果下個 high voltage transisent, 亦要防靜電, 可以參考下 :

extracted from: 'http://www.networksystemsdesignline.com/showArticle.jhtml?printableArticle=true&articleId=192503738'
The HDMI 1.3 specification supports the demand of future HD display devices for higher resolution and higher frame rates with a color depth up to 48-bit by doubling bandwidth from 165 MHz (4.95 Gbps) to 340 MHz (10.2 Gbps) of the previous HDMI 1.2 specification. The hot-plugging capability of HDMI ports makes ESD protection a must. In this paper, various ESD protection options are investigated, and a fully-integrated interface IC providing highest ESD- and back drive protection as well as the required level shifting for the I2C, CEC and hot-plug lines is presented. With only 0.7-pF total line capacitance, the NXP Semiconductors IP4776CZ38 provides the highest signal integrity for HDMI 1.3 ports and enables designers to pass HDMI compliance testing easily.

另有一粒 NXP (即係以前 Philips) HDMI Receiver IC spec 可供參考, 第一段已經寫得清楚:
http://www.nxp.com/documents/data_sheet/IP4778CZ38.pdf

我上份工都設計過有 HDMI input 的 products, 跟 HDMI 個 spec, 佢已經做到好 robust, 唔係話完全唔會瓜,  一般 user hot plug 都唔會燒, 當然, 熄哂機插就更加好

babuwa

HDMI 係 support Hot plug 的, 為左可以 hot plug, HDMI Receiver IC 都設有 protection diode, 防止一 ...
kennethtcp 發表於 2010-5-17 10:42

但係係其他Forum真係有師兄Hot Plug HDMI 而燒板(Onkyo AV Amp)，而且自己試過唔小心Hot plug HDMI 而出火花(雖然無燒板)，因HDMI唔同其他線，始終係有Power supply line, 所以都係小心D好........

pangling

"試過Hot plug HDMI 而出火花"
Yes, I have experienced be4.

aaoo

恭喜!恭喜!
有新玩具玩

starball

恭喜

eva0083hk

恭喜! set好記得出report!!!

MarkMak

sharpmd

我電視無入AMP, 快D試機喇

是嗎

各位師兄!小弟又有問題啊
我剛剛整好啦。
但係一定要開左右環繞喇叭先可以有得效前上置同後置，但我係無左右環繞喇叭，咁樣有無問題架?