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求助:主马达不转

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发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

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本帖最后由 大头猪 于 2012-1-3 21:39 编辑 ! ?( v! ~. L7 X; [4 m7 O* \- g+ r
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新年捡了部SONY TC-580,遗憾的是主马达不转,经检测怀疑是转速控制电路故障。如如图加一个电阻,主马达会转,改变阻值便可改变马达转速,但转速很不稳。
2 i6 E1 ]3 t* G/ V  ~3 I控制转速的IC, SONY CX-032各脚电压值如图8 P! l! X/ z  ~
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!  ^0 ^7 t) r. f0 n9 q' u; q2 P
发表于 2012-1-4 12:40:17 | 显示全部楼层
本帖最后由 yjwu 于 2012-1-4 12:57 编辑
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2 H& j+ D- M! L4 s有人走過相同的路了
* L; f: b+ U3 l7 G7 o摘自   Obsolete Media - Forum
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# \, L2 c4 H' X1 G4 |8 ihttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  O$ t, }; a. [/ rhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025" t- Z2 R4 f$ b/ H: `

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Chip CX-032B for Sony TC-5584 N0 C0 f* B" e% q; t
Posted on: June 16 2008 @ 01:43 PM
6 k) H  V0 J! A, p( ?By: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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' n( V2 i1 W- X! c. N8 \Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.& Z6 C0 S1 {. ^4 M8 E1 u: }
A rare Sony turntable TTS 400 has the same chip used as well.2 d& h; \; o, v

2 C. e" e7 X" yThe supllier on this link has the IC listed.+ r  \7 t2 ]8 I' L- _! _
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)8 [; i- @3 l# o8 H( H' H

& k: @1 T, P5 ?+ l$ @) XThe German Bandmaschinen Forum thread./ A# m5 j1 c- e! [

' P- \! ]& O+ f- Rhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond1 }+ L% V* m% E

2 O5 M$ T) P/ _Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - [2 `0 p* E. P, C# g
By: RODALCO 2 X" j- f& L; ?: H1 |0 q* V5 H
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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& u; f9 R+ g+ n. K, M4 g- OI got some of my Dutch R2R friends to have a look at it as well and with a bit of luck they can design a circuit with disrete components.
8 D# N7 E" d* G7 O- I& NThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond; ^  Q& |- g; G4 h9 _2 j0 L. n
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有沒有用零件做出等效的主軸控制還要進一步追蹤* s5 J3 F7 J& H* T9 N8 E( r; s

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零件追蹤/ ?& ~* h" J3 d! I
http://www.globalsemi.com/productdetails.aspx?itemno=8750321000 k) Z5 x" f1 T9 W' |5 {
39.99美元 似無存貨 必須從其他舊機器拆 不過可能也是相同的毛病    -->  設計的弱點
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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