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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 - _- I0 Z; l; x$ G: m( u9 e
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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。& R* Q( b1 O0 i# W
控制转速的IC, SONY CX-032各脚电压值如图* x7 z# Y4 b/ ~( v" ]& a. r
22-1.jpg & Y- E" _0 |9 s9 v% T. a0 _" m

3 e8 A- N& D" c/ ]" c, F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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有人走過相同的路了
4 Z# d! f) A+ [: G! |摘自   Obsolete Media - Forum; v5 O. a% o4 g  D9 h
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  m% @- x5 ]3 A& ?http://obsoletemedia.com/geeklog/forum/print.php?id=2025; d/ c/ l3 t& ^( J) ]1 h: \
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' G0 a/ ~; }) h4 z$ _" _. n" {Chip CX-032B for Sony TC-5585 t1 o8 M2 X  w7 w4 M# y* y! A
Posted on: June 16 2008 @ 01:43 PM 7 K8 X  G3 [: }* y0 I3 t( j, B
By: RODALCO
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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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; g3 y6 q6 d- }( D" }# y+ m& S) XLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip." b9 W& O1 Y$ S. Z7 {
A rare Sony turntable TTS 400 has the same chip used as well.3 r; x, ]9 m5 F3 n: a) P9 H

( Y& c$ t- M( j% l( CThe supllier on this link has the IC listed.* g7 a# p4 m6 ~
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)/ J, ~- l  I: V2 k4 i4 ]7 A

: [' L  ^* J, H( e) z5 y6 e# O& D4 lThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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7 v9 w, E4 F2 e% z% VGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
6 o) v. d; B# S8 L4 k: mBy: RODALCO
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Content: $ ~- z. A7 U" z5 r2 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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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.5 Q0 |8 d% m. u
This will help all Sony R2R users in the near future as well as our machines age over time.+ a- C4 |; K" m8 [3 r, }" C# v! G

! |. ]4 ^+ e) HKind 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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! @4 e; ~7 ]+ C2 T/ P$ _! _( S零件追蹤
' W0 G2 n# z+ jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
& Q$ m0 ]9 h: X' Z4 n" P39.99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6 ]" n4 B8 t" M7 C8 h
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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