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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 + j* h, a) c% x- l5 `7 ]7 J, q9 J! c1 `
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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。# ^5 _# l; W$ j, j8 {
控制转速的IC, SONY CX-032各脚电压值如图
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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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8 z" J+ e9 c8 G0 [- @+ m3 c  ~) H有人走過相同的路了
) f: f; x7 j3 }/ F摘自   Obsolete Media - Forum4 `4 a$ O9 r5 r% v& o
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ! n. `+ D7 u- ]  V, g& N( x( o
http://obsoletemedia.com/geeklog/forum/print.php?id=2025# b" y. }2 o1 c" x" T
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Chip CX-032B for Sony TC-558
3 D5 ?+ x5 ~, Q+ _Posted on: June 16 2008 @ 01:43 PM
0 i- W/ W; U- m' j2 UBy: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. d& p0 f" _4 J5 m
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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., Q% o0 _; G* x' T& e+ [
A rare Sony turntable TTS 400 has the same chip used as well.* i  G! h: M- |% s! `6 W

3 G) i* H8 u+ R3 J* `0 `& qThe supllier on this link has the IC listed.# H9 M( p( g0 {  q  q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)- ?) d8 m! X2 d" O5 Z( T

0 e+ D: m, F9 c8 l$ n7 UThe German Bandmaschinen Forum thread.) \/ }6 N2 i+ r& @; W' H! q
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)( p: l. r& E3 H# Z1 x
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Gru�, Raymond
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; Y& F- e& j4 w8 M) F+ `' s/ jChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' v2 r$ O" h5 I
By: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?- t3 k% }, C, T( G! M8 @4 |! O
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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.
$ f' o( h1 G; PThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond; W; F* q  ^  j' O3 A

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% Q7 M* b0 p( T% k: e有沒有用零件做出等效的主軸控制還要進一步追蹤7 ~! g' c' {7 X& B1 B5 ^- T* M
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. N$ y3 |& V  }+ K% W; S4 A零件追蹤6 d; w; H6 f6 r% i1 k( ~  `3 m2 W. }' Q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ m! T, t% ^. A, L/ p3 {' m39.99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$ E8 V% l5 Y: O) l
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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