- #21 [phil.ng], 21-03-05 10:46
- #22 [phil.ng], 21-03-05 11:06Power supply 電容対聲影響很大丶不防試玩玩
- #23 [baker.steven], 21-03-05 11:11關整流子乜事?
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- #24 [alexanderkoo], 21-03-05 12:11Check and change the surface mounted caps LHS, somewhat C11 C41, can't see clearly. These are of poor quality. Replace them by identical ones, can't use other types. Got an ESR meter and promptly identified similar faulty cap of a betamax machine having streaking noise on screen. Saved me some money.
Not mod. only repair.
最後修改時間: 2021-03-05 12:12:48 - #25 [phil.ng], 21-03-05 12:26>>>can't use other types
Why not? - #26 [phil.ng], 21-03-05 14:43
- #27 [alexanderkoo], 21-03-05 14:57Reasons are obvious.
- #28 [Bryanhorn], 21-03-05 16:40都係建議師兄如果唔識換就比沙田樂文整,至少他們做咗成三十年,好有經驗但他們會看人看機開價,你如接觸他們先同他們講有一邊聲音細聲咗有雜音懷疑電源整流子開始打柴但未死哂,跟手比過budget 佢等佢還價!
- #29 [sa2680], 21-03-05 18:35Bryanhorn 等我試試~ 好過浪費, 唔該晒~
- #30 [kit271], 21-03-05 19:03用眼就知邊part壞, 犀利
- #31 [phil.ng], 21-03-05 22:49樂聞免費報價
大陳有性格!
你如果話明換整流丶給你一個價丶吾work 都照收(因你已斷了症)、其實你最好比佢報丶整完有有 三~六個月保
數月前上午交部吾著 bdp lx58 比大陳丶吾講價丶話要快丶下午搞悔
最後修改時間: 2021-03-05 23:07:01 - #32 [phil.ng], 21-03-05 23:11下午搞好丶收一千丶貴其他約 二三百丶是死power supply, 同時換膠帶
雖貴丶但快
最後修改時間: 2021-03-05 23:17:03 - #33 [phil.ng], 21-03-06 00:54SMD caps 大部分平均 四毛一粒丶比左貴人工丶我就一定換其他丶
https://www.ebay.com/itm/EU-260PCS-set-13-Value-SMD-Aluminum-Electrolytic-Capacitor-Assorted-1uF-220uF-/264588235512
最後修改時間: 2021-03-06 00:57:54 - #34 [phil.ng], 21-03-06 00:59.
- #35 [info2k], 21-03-06 01:37橫掂要換 SMD 電解電容, 梗係轉用固態或 tantalum cap 更耐用, 有不同封裝可選配, 在數碼電路是適合的, 專業的產品已很普遍採用, 音頻部份用回傳統電解就無可厚非
- #36 [alexanderkoo], 21-03-06 07:32Repair and mod. are two different things. You can do whatever you want for DIY (connect a large oil filled capacitor externally) but for service by others, merely drop in replacement, simply restoring to factory spec.
- #37 [phil.ng], 21-03-06 09:48用數元一粒的電解電容丶好過現有的 SMD 多倍!
除非你DIY, 不用比過千人工!
千元人工丶幾毛電容不成比例啊
最後修改時間: 2021-03-06 09:49:48 - #38 [phil.ng], 21-03-06 09:55Example 好底用
- #39 [arcet], 21-03-06 13:44近幾年見到啲用SMD的 amp 同DAC 都怕怕
- #40 [info2k], 21-03-08 18:26這台是 90s 生産的高價收音機, 原機全採用 SMD 電解, 不到十年就出現泄漏問題, 目己換了 SMD tantalum cap 快十五年依然運作正常, 若富初換回同類電解電容, 恐怕又要再動手術了, 廠家怎會不知道産品壽命週期
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最後修改時間: 2021-03-05 10:51:36