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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 ) b# f: m. [4 P5 o& u

; w3 t1 S7 L4 C" R. ]- v( C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。
8 ]) e6 P& V+ ~1 F& l; W控制转速的IC, SONY CX-032各脚电压值如图( x! T8 L5 _$ S0 h; b
22-1.jpg ( X6 k4 l6 D9 c

0 v/ }, x5 M( K' W1 k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 3 a8 @. F" R. J4 s0 \7 q

% P! ~/ ^) v' U5 P% q  G有人走過相同的路了* r- N8 ^. T7 O! v" V7 ]' B/ t
摘自   Obsolete Media - Forum( H" S. z' Z1 k  w! }) S
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 h5 Q9 x" [% V' u7 j' y/ `( vhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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" K  o* N  Y+ j, F( KChip CX-032B for Sony TC-558
/ N# s& b. W+ r2 }8 ]  m2 v3 z  GPosted on: June 16 2008 @ 01:43 PM
4 e0 b' h/ `3 vBy: RODALCO : U6 F. j* i: O: f: s/ p  [
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.0 ^7 O' c3 N) _9 S  k. h* l  Y: V; _

! A. C( w. x& r2 E& fLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., m" u) k8 W9 x2 j. U
A rare Sony turntable TTS 400 has the same chip used as well.. M/ ~- Z7 n& F& F, _

+ J5 {4 p& Y9 k# {2 [# s4 d3 yThe supllier on this link has the IC listed.
% ?. h1 ?5 t" Q2 y  Ohttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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3 l; S0 _# @1 H2 K9 z; q# vThe German Bandmaschinen Forum thread.
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. A0 i* m6 I- ^8 ^( C5 Whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)+ \( r* b0 q! N  n) \5 F# e
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Gru�, Raymond
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& t4 t6 ~4 j; HChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 9 E8 n& E$ j# a2 K3 ?
By: RODALCO ' X3 {( ^# h2 S" X( z

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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?
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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.* _2 z5 r3 r( S+ ?
This will help all Sony R2R users in the near future as well as our machines age over time.9 }; o, X3 M; w  i
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Kind regards, Raymond
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5 d" c5 q7 E+ C$ b. s有沒有用零件做出等效的主軸控制還要進一步追蹤2 S6 W5 N" n) g

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零件追蹤; L  q+ i9 A: j) ^! Q
http://www.globalsemi.com/productdetails.aspx?itemno=8750321002 Y$ [, i- M+ V. k3 \
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" G; h5 U. g: f0 O7 ~+ Q* Z/ w2 ~! D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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