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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 6 |5 @& ~0 ~: {* v, x  M
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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。
7 z1 a& W& L& f6 s9 d2 S  x控制转速的IC, SONY CX-032各脚电压值如图* i3 _9 v$ I) g5 {( u! v5 N
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/ j- {2 [' g4 ~7 q2 C5 q2 D/ j是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' b/ Z! o7 J2 r  r0 w. p, W! _( q6 t
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 }, E9 S% H" P, a5 p

& c, d1 d0 B7 j$ y有人走過相同的路了1 [8 L7 U, [4 M0 N& L! @
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
- W! f# s' ^; c+ ^+ Xhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025% o5 Y, C9 F+ |9 d9 G

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' ?. V  V1 x/ U3 T7 f+ RChip CX-032B for Sony TC-558
6 j2 d2 O9 |5 o; S! s: M( \# ZPosted on: June 16 2008 @ 01:43 PM
6 G6 j; k" t5 a# wBy: RODALCO * X) l* h6 t' }. m4 _% t2 `
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Content:
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# C/ f4 r" \. [7 b2 pHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.& S. K3 o9 p0 G1 c. x/ 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.
- L" @" }+ W; f8 `1 l* YA rare Sony turntable TTS 400 has the same chip used as well." x4 a, l4 v( x* p3 R
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The supllier on this link has the IC listed.& a7 J; W9 p& a0 f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.0 h& d8 R5 G6 N4 d8 k, Q
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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6 E( O& ~" w  l$ s- t( V3 wGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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. h9 H3 Y8 F# k( a+ p$ T1 S<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?! w' ?& d/ E7 Q) X

3 R6 r& j$ }! jI 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.
) J) u5 K0 s! \2 kThis will help all Sony R2R users in the near future as well as our machines age over time.) T. e1 L, i3 y2 f! w
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Kind regards, Raymond
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0 }* N+ C0 b3 ]7 I3 C有沒有用零件做出等效的主軸控制還要進一步追蹤& b' X" j1 O) L1 U' s0 V. N

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零件追蹤; X0 ?- m, e/ V0 g$ j& D4 r
http://www.globalsemi.com/productdetails.aspx?itemno=875032100% r2 X- R  g2 h/ Y
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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