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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 3 E) F6 Y6 F8 e1 x
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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。' k6 ^% ~; L% I% g
控制转速的IC, SONY CX-032各脚电压值如图6 P; z' b" y( ?5 J. M
22-1.jpg
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$ z. n. `- m" v  R* s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 6 G6 z; W% H/ @0 B. {3 h4 d& \
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有人走過相同的路了- G3 j; X4 k8 f& P) v/ G
摘自   Obsolete Media - Forum
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0 G( J% P' p" P6 t0 U  Mhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 : y9 N3 S  n6 e) T( _3 G7 U9 x
http://obsoletemedia.com/geeklog/forum/print.php?id=20257 C5 [+ c( o, a( R# m) }; G
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, a. B$ N# N$ v, E4 h5 t1 tChip CX-032B for Sony TC-558. B3 v8 L8 y- h! s6 y) p6 c
Posted on: June 16 2008 @ 01:43 PM 4 m# T$ L& i  A! {% s- b5 B+ J
By: RODALCO
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.! E+ B" [$ \. G+ M7 g

2 U. S: j& f  ]9 [0 \4 xLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; g; z: l+ x' H' L' H( EA rare Sony turntable TTS 400 has the same chip used as well.0 ^* r& n6 h5 F# h. n+ @+ F

' x/ S3 h. H7 p2 I4 Y+ N. v) OThe supllier on this link has the IC listed.# X+ i, W6 W( |- Z5 Y$ F+ N
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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7 ]6 W! X( x# [; j% VThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)" t* K3 a" j1 u( E$ H

4 K% M* _& N' v( N- ]+ _3 B+ u3 BGru�, Raymond! K" M6 [. J3 _; d# W; C: V

  s% b& g% t4 e4 o' @0 FChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
6 {" h, \: O& _1 W+ Y9 d- uBy: RODALCO
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Content:
) U4 F& q: R0 q# a& n% X' b8 I<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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) H/ }1 i9 @- K- d+ H2 ~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.
" h9 x4 K" ^; _% A( ^This will help all Sony R2R users in the near future as well as our machines age over time.
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  }% b  L2 t0 {( {$ r' j+ GKind regards, Raymond
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* m+ L3 W; T# Z; o4 n% B5 F有沒有用零件做出等效的主軸控制還要進一步追蹤7 L1 [  c' c) w

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零件追蹤
. e4 h' ]+ D; _1 I7 u: thttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
3 V5 S: ]: K# S( d; m5 [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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