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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 8 R' X, R# ?0 a

9 J7 V; @( c; G/ y/ d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。
; @* O+ Z( c, e控制转速的IC, SONY CX-032各脚电压值如图% G: g6 L1 \3 X! V5 d
22-1.jpg 9 v; }; ]. a5 C# k
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) M1 z! Y; J9 a; ?) h: ~2 g; Z$ ^
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* C. T6 C% t( Z& w
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " [* ?; {7 F+ h& x1 m! S
http://obsoletemedia.com/geeklog/forum/print.php?id=2025/ l. C( w! K% E8 ~+ Z
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Chip CX-032B for Sony TC-558
& j" i. Q7 F& K/ F0 R0 {Posted on: June 16 2008 @ 01:43 PM
  @3 [! O* T! j( F( u; M0 ?8 D) IBy: RODALCO
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& M, ]3 ^3 ?" S1 Y* nContent:   \: b; X  }$ |! C

4 n" A/ y- g" N( d- i9 |! UHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- u6 o: E6 d9 r  _) X5 T; }
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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.+ O2 G8 ~& \( J& C* g* D/ v& v$ Z
A rare Sony turntable TTS 400 has the same chip used as well.. y* M; s- K! f3 N) R2 y( ?6 V

3 V  q6 l5 A' Z/ G- [) pThe supllier on this link has the IC listed.+ A  N/ J, O! v8 @( H
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ K2 X0 L% i* a2 T7 I
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The German Bandmaschinen Forum thread.
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4 G  L( y# m. W  shttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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* v: F, }$ A: X; ?/ kGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & f5 O+ p( ~8 P2 o
By: RODALCO $ N8 z7 R& M# C1 F  U: s6 I

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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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; w% r6 \7 P/ N' [8 Z7 y: PI 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.
( |. S6 z+ t- u5 T$ m4 kThis will help all Sony R2R users in the near future as well as our machines age over time.
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1 E4 l* J2 k  U! \& @Kind regards, Raymond' ~5 I. e& s3 b6 f: \. b* a: D
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+ M  e2 b. ~# _0 s  o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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8 q5 w  x! S/ Q- O/ Z8 c零件追蹤
/ [$ G8 B6 e7 I% {. Thttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 {$ `/ |0 O  }- W  _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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