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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
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8 }, V, ?, G) {0 H+ Y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。
* K) \& L0 Z1 t  j- V: Q控制转速的IC, SONY CX-032各脚电压值如图' b5 I  M, b* ]4 }$ u7 d+ q% `
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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   N! L) u3 N4 G  _/ q5 g1 Z

. `, Q, c6 v6 W# g, P/ b有人走過相同的路了
% ?& ?; N2 Y2 b5 G1 ^摘自   Obsolete Media - Forum
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' I  k- n( g6 e3 u* \1 S7 _* ohttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
6 p. @  f* ]$ H6 ~http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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" J" o' Z( K5 ^/ L" g$ P2 }* SChip CX-032B for Sony TC-5583 u, j0 H) a4 s3 u! `7 J" o. k
Posted on: June 16 2008 @ 01:43 PM
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Content: ) N' j. R- r# B6 @; t7 c% P- A

9 m9 c$ z( V2 O5 iHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. A3 w" P3 T6 W  F& V* B/ o+ DA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.7 G8 x- M4 g( t; D
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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3 e, u7 V" W" I! s3 ^Content: 8 X* T8 O6 X5 v0 ~7 {- x% b3 V
<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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2 ]8 d; o7 t' \! {( \I 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., ^; P9 L2 u  |) t' j5 r4 k
This will help all Sony R2R users in the near future as well as our machines age over time.: p" x+ X( d! U/ E
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Kind regards, Raymond
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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" t+ d# J* r  j# w

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零件追蹤. n" p0 j3 o: }1 }( F7 {9 @3 a
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
/ z& z$ g- P$ w1 F: {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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