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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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# C0 E. P; Y2 |1 d% O0 I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。0 R% F2 |- ]* i2 ?- S
控制转速的IC, SONY CX-032各脚电压值如图2 v+ g1 ?8 }6 ?
22-1.jpg
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/ g' {+ s% i  l8 o7 P3 [8 h5 g是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 `/ A& X' P/ j* C: N3 W
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 ! k6 @3 K3 `" g1 s' Z% b9 v4 B

: v' p+ b0 f+ Z1 L0 f0 V有人走過相同的路了4 r& q8 Z; E' ?( Z. ~7 b0 n3 E
摘自   Obsolete Media - Forum
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* a( R# e! e* @2 v' p) q% e( Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 L$ f/ ^; f( W" ^- z: T- M, Whttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558/ N% y  G: b  y6 }0 M9 E5 @2 t: p( e
Posted on: June 16 2008 @ 01:43 PM
" H- _3 A( Q  ^* W9 `% ~( [By: RODALCO
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Content: " D2 [/ j5 _; G
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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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/ U  I: |6 N) }: w! {Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% k* c$ j. c5 w6 p8 H: eA rare Sony turntable TTS 400 has the same chip used as well.8 {4 b/ e; b( T) u, A5 w
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The supllier on this link has the IC listed.  a6 G! \: x$ y8 J7 h/ B
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.4 _7 X2 L. t2 F; L/ z3 g) ?
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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( O% j! m1 {, W6 @! z& dChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; q" L5 q3 F7 z/ \# {6 Y% Y
By: RODALCO
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Content:   w, z/ @/ J, R$ P! ]6 \( u0 O
<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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. {7 `; l% D2 F5 lI 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.
7 l) p/ a2 y/ }  v$ E! FThis will help all Sony R2R users in the near future as well as our machines age over time.- Z2 e* c' @2 X  d4 [+ J7 u6 Y* L/ u

" D( I0 _- X8 ^Kind regards, Raymond, W* m, G/ G% P+ `$ B
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7 y1 g( {/ t" l. S! p. y; K9 H3 Z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5 Z5 Z2 G  x3 i& e
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
. }7 Y3 q/ E, K3 D; y/ L9 m39.99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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