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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 & {) M. s9 A! _$ |! g, f% m  S
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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。% S5 [/ W1 [0 g
控制转速的IC, SONY CX-032各脚电压值如图
5 T6 m( Y6 X* h3 o' Q 22-1.jpg
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' w* I: u( s) _/ g" |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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$ j& A/ w% S0 [8 P有人走過相同的路了
% k% u% f9 t+ X* J8 i6 g摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 v9 l, m* e" B' m& L  q' S. Q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558" \+ U  ~: o5 m- I6 ]9 K
Posted on: June 16 2008 @ 01:43 PM * a* h  q  H- R3 B$ X: H
By: RODALCO
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- v+ E+ r8 C* T! E9 |Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.4 }7 z- B" `; ~, @8 N
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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.
9 [$ k! C* m" L, V) c9 ~, [2 R/ a2 SA rare Sony turntable TTS 400 has the same chip used as well.! X% [+ m! w. n; K- U) C& M
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The supllier on this link has the IC listed., X5 {+ l3 E4 |% k6 z6 E; u
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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2 N+ v! a! z" t# }The German Bandmaschinen Forum thread.1 O- l% R( o3 L  j
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效). I* y6 i: b; C2 E' H

* d. R7 ^% v9 _' X0 H, X: SGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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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6 p3 _& K7 D0 \  X' t, CI 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.
- Z% [7 w) Y' H/ [This will help all Sony R2R users in the near future as well as our machines age over time.  u9 w. r: P% j8 }

+ ^5 M$ W/ ]: wKind 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
1 {! s# T# R+ h5 b' jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100% r4 X! _( g: T  P3 U
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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