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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 g/ S- U) ~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。
; P, V) s6 L& N, n" o控制转速的IC, SONY CX-032各脚电压值如图9 Y9 o! ?, n6 B7 D
22-1.jpg
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! U+ U, F% u. i: P0 i  G2 G是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' `: J8 ], ]$ p; j7 `+ [
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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有人走過相同的路了
9 j* D- \5 l; U+ U. }" Z# D摘自   Obsolete Media - Forum, w/ ^( W* Y4 C" G8 s2 v

5 D  y- a& L* C/ T  Xhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
( i0 E; A; n+ x7 c  f5 @( Thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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* X3 C# n! E6 I. D. CChip CX-032B for Sony TC-5583 s: a1 d9 c; t. i* u( L, o
Posted on: June 16 2008 @ 01:43 PM 4 F3 b3 b8 g& f" s, @
By: RODALCO
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Content: $ N" M2 r3 ?9 N3 K9 x: l

) I. n: C# A" c: C$ a7 ?; \1 WHi, 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.8 t, m" Q- z: j# ~& @; h
A rare Sony turntable TTS 400 has the same chip used as well.
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; |  Q$ _* Q& A# {- ~The supllier on this link has the IC listed.
& X! v# @1 _" i& P: i( R5 mhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)7 U2 Z6 z  V. F2 z/ j" G7 Y  I0 C7 X

& }, i$ A: y) U4 EThe German Bandmaschinen Forum thread./ F, M% X8 o( B: {' \9 l3 U4 x
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% X% H$ X" X  D8 Q6 N
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Gru�, Raymond
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* T6 a. w( n! f3 r* @Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
; P3 T+ `  I6 F7 t* ^; A9 p9 vBy: RODALCO 0 _* t/ @: ~3 }5 Y3 b+ O0 H! Y

- k6 }- [* b% oContent: 6 q* z! u2 Q6 L: U- ~9 u! j
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" L8 s, e1 f' [9 S4 I

5 e4 M+ Y, ~- o* y8 C. NI 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.
- g9 g' p) e/ W1 ]& KThis will help all Sony R2R users in the near future as well as our machines age over time.) V* n9 ]- r" c

+ ?8 Q+ J* E& F( v2 v+ z5 m' O3 r- WKind regards, Raymond
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$ _$ J& T! J$ ~- C) J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, W* [8 d3 M) j' s- ^
http://www.globalsemi.com/productdetails.aspx?itemno=875032100; K) v6 T) ^' i6 s5 w" i
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% W3 {1 Q0 t6 L# e. o4 L! Q$ ?) d
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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