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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 * w! e* M+ F( f! t; ]# Q& \

4 G# R/ x& F) D( z2 V/ n$ }4 {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。
/ g% F* a) l3 s6 u$ a" [- r控制转速的IC, SONY CX-032各脚电压值如图
8 d9 F* ^+ D% L. J& u0 X 22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!5 `: L/ [% Q* W( U1 t5 v9 J' ]
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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& e! X; p" d' }% ]$ T- j  w有人走過相同的路了
/ L' v, q( ]/ g* s8 K2 n4 ?' u& k摘自   Obsolete Media - Forum: X4 _2 B# n1 b! ?5 v
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 |1 |; h& a; @  zhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025) w1 }' `) D' n! h
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% `' ~: P0 V/ e2 g3 g+ OChip CX-032B for Sony TC-558
6 l6 ~0 g: f! U0 z$ L: jPosted on: June 16 2008 @ 01:43 PM . n* t9 o9 v) j' ?
By: RODALCO
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Content: 5 u' k& Q# U2 E+ a* c* `4 f: b
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.+ N8 ^! H" \% u/ S( S, s: e5 J

& V* L4 I+ ]: D# v) p- H1 GLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% Y8 @% _( S4 uA rare Sony turntable TTS 400 has the same chip used as well., e# n3 I# y* ]1 S% ^0 h

$ u; {1 X1 f6 S3 r4 z! t% aThe supllier on this link has the IC listed.9 L7 @; G; F' z
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; g$ |3 F* F8 T2 W, VThe German Bandmaschinen Forum thread.4 w2 f6 w% Z  g7 b3 ~& B6 }

' d& L4 O4 t) r: \  [http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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+ b) P$ m% D+ [7 s. kChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ( j, `1 u0 C& g4 l. F2 f0 e
By: RODALCO
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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.
( `+ q, O* i' Z* B$ lThis will help all Sony R2R users in the near future as well as our machines age over time.- P5 m, H* y3 O
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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
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* Z# J- w4 J% [4 k; S零件追蹤; A$ ?5 a# I# u8 @$ w
http://www.globalsemi.com/productdetails.aspx?itemno=8750321002 v/ k7 X" \* p: X
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; N2 f+ ~) q: [$ f
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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