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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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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# [+ p# b% _/ b9 q+ B
控制转速的IC, SONY CX-032各脚电压值如图. B. J8 a& d3 t8 G; H
22-1.jpg . M: t$ Q) b2 e" R) O

$ k0 b/ f, X/ T$ V是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!9 Y/ A) v/ f+ N# q" s4 M+ x
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
: _/ Q! N" p- ?( K: Z摘自   Obsolete Media - Forum- e$ F# K# C; L  P+ [( t, d

/ i1 N; \& f- K4 D" y6 xhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' D" ^1 b( h% ~7 ?8 V/ S
http://obsoletemedia.com/geeklog/forum/print.php?id=2025+ t* s& \, Z5 N

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& ?6 _# [/ i" K8 i9 z  s$ P1 ]Chip CX-032B for Sony TC-558
/ g. F( H2 t8 T  e# \Posted on: June 16 2008 @ 01:43 PM 7 ^4 ~( a/ K3 D: v4 Y+ G, E
By: RODALCO & H' H! {% Y% ]3 N
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Content: 8 [, C( G9 y8 }9 n4 f' c

0 k/ ]# A6 ~- ^- D7 S8 t- N  sHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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" B+ }8 u! |" e" i5 P4 z' hLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
4 k) J# o& o; l0 H) n! Z/ UA rare Sony turntable TTS 400 has the same chip used as well.4 v. i* _9 u6 J6 l) w* C6 h
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The supllier on this link has the IC listed.
( w9 [2 _7 u5 u3 |! s" I# }http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); E7 _# S4 [2 v/ t* D0 L
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The German Bandmaschinen Forum thread.
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1 b% A$ [- P0 T1 R, X7 mhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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; C2 J) C4 R; IGru�, Raymond- c- g! F  q- M8 E
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM $ h" _4 T3 B+ H8 @% \
By: RODALCO
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/ V- c2 x3 [/ f/ G- LContent: & y8 M) I6 n; {  g* S" G
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?3 \, ~" E" |7 V

* S7 O0 F; @  n: U: }: h2 |' g4 fI 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., B$ J& r9 A6 R: U& G
This will help all Sony R2R users in the near future as well as our machines age over time.
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; v' C( A8 A  [4 \& ]- rKind regards, Raymond( Z( I- f( H- [& m/ F1 N; z4 b
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- U. z9 x  k) g2 |2 c+ y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
' j  q; }6 X% s+ r2 J( T5 bhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100  B1 y% s8 r. z! |) {5 P
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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