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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 # s" r$ x! W# x  P% T% l
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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。
# i" [& h) |- w' Q5 r6 ^* @$ M0 b" r1 w控制转速的IC, SONY CX-032各脚电压值如图0 w( o& K% U5 S* G- n3 Y8 l7 O7 ^
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!4 n. E( I/ H& u( o* 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 # Y. }+ {1 S" Y' j0 ]
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有人走過相同的路了
, E* c5 g" A3 K$ @5 Y% v% e摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  Z/ B: v* v+ T6 N- A/ _http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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" \& @& X( y, g3 ^Chip CX-032B for Sony TC-558  t' b/ W, E/ @$ k9 W( \
Posted on: June 16 2008 @ 01:43 PM
3 g% H% v) x) J1 L8 ABy: RODALCO . ^/ R9 v8 g; N- G' A0 H' p! z9 M8 h

3 b2 `8 v0 `9 o: ~5 ^% n9 ZContent:
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' p- M! e1 f3 E1 |& H: X* q  qHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.
$ a) L0 V9 z; p( i! PA rare Sony turntable TTS 400 has the same chip used as well.0 T2 m, l1 v% }- d2 q# z

' B+ |2 O' r# ?" W  _The supllier on this link has the IC listed.4 ^" S5 t+ S% o+ ]* C5 C- F" U
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The 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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3 C6 Y' B0 q: p5 k, b* Q2 \7 iGru�, Raymond
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$ [( e$ ^' P8 i$ G1 ?, s' U. GChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
  P7 G/ ?& z5 k% X& UBy: RODALCO
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Content:
" I' f6 s. G7 O. A6 F<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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; l/ D; P* K) f! e1 G) kI 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 ^) F+ x) D' c  m* o- ]$ JThis will help all Sony R2R users in the near future as well as our machines age over time.7 ]$ Q" G" |5 ~, Q, H! G

, F& E6 J  I( h$ ^2 n/ w3 `6 o7 {Kind regards, Raymond+ i. y  d7 H( f  o! q! b

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, Q: p; U  Y7 ~) B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! j2 E" c, Y' t) X) O
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
, N! ?) N& V2 j6 T39.99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0 b$ b& h5 ^3 M# N3 }4 o
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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