onkyo808 中置輸出突然沒有聲
想自己維修 有冇師兄教路本帖最後由 billymud 於 2014-12-29 17:52 編輯
First of all, is the speaker working fine ?how did u verify it ?
read the schematic diagram for more info before u DIY.
若果Rear_L, Real_R 兩channels冇事, 可知Ctr_channel 的功放管冇壞，(because common IProtect and VProtect circuits are provided for those channels.), then, 你去檢查有冇甩線或其他前端siganl path。
billymud 發表於 2014-12-29 17:22 static/image/common/back.gif
First of all, is the speaker working fine ?how did u verify it ?
read the schematic diagram for m ...
中置喇叭都壞左
(Post76 Android 手機版送出) 本帖最後由 billymud 於 2014-12-30 22:43 編輯
on_1020 發表於 2014-12-30 02:28 static/image/common/back.gif
中置喇叭都壞左
(Post76 Android 手機版送出)
Speaker burnt ??{:1_342:}
1. measure if DC voltage is existed at the Amp Output terminals.
2. 壞左中置喇叭, replace it !
billymud 發表於 2014-12-30 22:41 static/image/common/back.gif
Speaker burnt ??
1. measure if DC voltage is existed at the Amp Output terminals.
2. 壞 ...
用番前置輸出試 中置變左細聲低沈 amp中置冇輸出 睇睇下戲都搞到壞兩樣野
(Post76 Android 手機版送出) 本帖最後由 billymud 於 2015-1-2 14:43 編輯
on_1020 發表於 2014-12-31 08:55 static/image/common/back.gif
用番前置輸出試 中置變左細聲低沈 amp中置冇輸出 睇睇下戲都搞到壞兩樣野
(Post76 Android 手 ...
中置變左細聲低沈 >>>燒左其中一隻單元？ the tweezer ?
amp中置冇輸出 >>>>>先check amp中置 power section 有冇signal 輸入??
check if the resistor(s) >>> shorted? opened ?
頁:
[1]