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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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7 V& F! z% l# G0 h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。
# i7 _* W9 B' d: n7 z控制转速的IC, SONY CX-032各脚电压值如图
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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
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有人走過相同的路了0 T' Y3 A0 {# p- {
摘自   Obsolete Media - Forum
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6 K3 _# F  Y$ Qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 h( q1 h  A: y# `- d( i! n1 o3 i; V" mhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025! c2 b3 @0 n1 O+ T, k
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+ `" u' c% l* p( ?Chip CX-032B for Sony TC-558( m1 M1 m) T. z, P& }4 d: ^) z# t
Posted on: June 16 2008 @ 01:43 PM
* |9 k, g1 D" wBy: RODALCO
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* F' ?% y. l; c+ c' jContent:
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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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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. X0 f' g6 ]" }1 |5 c
A rare Sony turntable TTS 400 has the same chip used as well.7 }5 N/ i: B: T

1 M* j' D, k' {( [2 L6 GThe supllier on this link has the IC listed.
- i! r: j9 t) I9 Dhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.1 i$ u3 G( F' F( M: _

' s; G7 [1 ]$ h- w! ~, Q4 @0 vhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 a9 e! |6 r, o, u! Y4 C0 j

: K$ w$ `+ q  l4 P& g2 r  m5 j& |Gru�, Raymond  l( T+ k& @, s. ~

5 m" t6 U/ ^$ K1 i' xChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
4 n) c$ @/ l  {. U3 B2 m& Q' A/ BBy: RODALCO # c# ^3 V  ~# s7 D! ?* m

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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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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.
% x* V7 M4 [- m$ uThis will help all Sony R2R users in the near future as well as our machines age over time.
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* I4 H. ^# E! R& l' |. bKind 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
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零件追蹤( Z# Y  Q8 _8 l, }: y$ {( \: t
http://www.globalsemi.com/productdetails.aspx?itemno=875032100" o/ }* k6 n  {, G
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/ K* t) e0 y5 w" U. C2 }
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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