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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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7 [  ?2 y/ g# x$ w( r7 \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。4 @6 w/ D: b. _$ ?' o
控制转速的IC, SONY CX-032各脚电压值如图& Q* C( ]* k& A. }! ]
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' O5 N/ d# |) b* @$ q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 1 Z" f* Q: H5 R( r! T

* i) e$ v  i( `2 L; y+ G有人走過相同的路了, p3 T2 X4 S/ R) Q" H2 g; h
摘自   Obsolete Media - Forum
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. s. F/ H. Z3 X1 ohttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
9 o+ z# X8 g: ihttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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3 M: U$ p$ d* l5 W2 HChip CX-032B for Sony TC-558% `+ r' r& g0 [" h) i- }
Posted on: June 16 2008 @ 01:43 PM ( E' C1 h, Z3 K6 K4 c5 N$ X/ P
By: RODALCO
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" b5 n+ K' O' N+ v- z/ |" EContent: 3 b, {5 x, @3 c

# E5 D4 j0 X3 W3 V0 x' oHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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3 H# R# D) N8 H5 s4 p+ E8 Q+ gLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip./ Z6 L& _* a- }4 q
A rare Sony turntable TTS 400 has the same chip used as well.
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! K7 _) O2 Q- B. ]" CThe supllier on this link has the IC listed.
  `* q: u% I7 m& Yhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% H( d6 ?1 @; H  E

' U9 U! d) I6 e% B2 V: w& ]The German Bandmaschinen Forum thread.* s0 \( \: D1 e. Z( M* B9 g& Z
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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6 d" K) h* E# F- C* D1 GGru�, Raymond% H0 P5 Z. |- p$ |2 G! l6 B6 y

/ x1 ?+ h$ m+ V8 A' KChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM $ e% V$ `' _. N1 Z! y& X: a
By: RODALCO
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Content:
5 h5 ]) f9 {! w% }( Y' q<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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$ W+ d" b4 Q* P" c) b# J; cI 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.
2 c, C4 B" j3 G' Z9 h, [# V3 _This will help all Sony R2R users in the near future as well as our machines age over time.
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1 {( F) J0 r% v! n) bKind 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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零件追蹤4 A9 x. o$ u6 N; F
http://www.globalsemi.com/productdetails.aspx?itemno=8750321008 u4 E3 j' f4 z& V& L
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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