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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* g0 O! ~& l
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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。
) Z7 B+ I/ H* w& L. V# X. {; j) `控制转速的IC, SONY CX-032各脚电压值如图  \/ ?* g0 I; c: j5 H
22-1.jpg
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+ ~0 X# q% c& D* x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
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5 `/ B, q, P% d/ W! p有人走過相同的路了
3 u: p1 o# \& d" h摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
5 ~; M! T, t% }- V7 B1 p# Y+ Vhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
. R8 A  l) E: F; Y6 GPosted on: June 16 2008 @ 01:43 PM 3 u6 h' B+ ?& B3 j
By: RODALCO
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& n& h2 @' F8 d; n9 `5 |6 |0 SContent: ( ^( \& e' W3 t# i! y
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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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9 d( N* ?" ^# S0 N- J5 z, rLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.8 P1 F$ J9 V7 c
A 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." o% n9 S( s% Q. W) q; U
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); j& W0 M8 H: w/ l- |- C4 D- S
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The German Bandmaschinen Forum thread.8 W2 w! `: A( L2 g5 _. ]3 }( ^8 C

8 ~$ k' X: O4 D$ whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 F; I6 M: m6 [1 {' d' Q+ c

1 K* y: I5 T8 F2 WGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
/ c0 H  u! Z9 @) j<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?. C# [( y' L3 s& i- N1 v
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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.
- S, L$ ?$ s. u* ?This 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& P2 J7 [2 F+ n$ u  w

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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* o9 B" j( V+ s$ x% {

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- h; F. h2 O5 j% A/ [& q零件追蹤
' M  @7 o3 M7 i) m4 lhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321003 s0 W' k* `" t0 ?  a. 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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