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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 - m1 Y" J+ |% j7 M

" V8 o! p8 G" 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。" \$ O" d4 p, H; D0 Y+ Z: r" f
控制转速的IC, SONY CX-032各脚电压值如图
; c& m+ C& u3 ` 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!6 H+ i5 W9 m" h5 ^3 s. K% ^. [
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 9 H9 }5 x3 G* s- V# A
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有人走過相同的路了% E  l! e7 o9 p& H0 b4 g$ Z' Q1 i! Y- d
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 e5 _* `3 n  \3 M; r- O* lhttp://obsoletemedia.com/geeklog/forum/print.php?id=20254 g; `3 I+ _) ~& p+ P0 T7 U

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8 ]3 f- C; S1 ?6 C! R' FChip CX-032B for Sony TC-5589 R7 {* F& T5 A1 l/ l
Posted on: June 16 2008 @ 01:43 PM ' e  Q8 w, r! e3 k, ?
By: RODALCO 6 D% b" @& Z& K
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Content: $ w3 R  X0 M+ [& V

0 L: a2 e7 o, ^. c2 s* DHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) q1 `+ C0 P( m' o$ v- Q3 l* \. J& ]: T

8 e' o# ]5 a  ?$ U7 w4 W1 pLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.6 d2 _9 R6 w2 [8 q6 o% N
A rare Sony turntable TTS 400 has the same chip used as well.2 ^& |0 A1 |0 S; V6 U
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The supllier on this link has the IC listed.
9 r% e: e, t: N7 B' thttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! j5 e  r: f+ a0 m& D. O
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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): n, k6 P% ?, C4 ?5 Z: \2 W1 z% A

2 m; c9 O# s. D+ J' i# z/ z- RGru�, Raymond% S# ^  o5 I: l8 L( d

6 r' ?( c7 Y% N  tChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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: O1 F0 c3 u$ N$ G% y! gContent:
% |. [- C$ t+ _9 n, g& Q! M* 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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, P/ Z/ Y! |- s8 K: j9 uI 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.6 T$ r2 v6 n6 z) N9 @- Z% ~
This will help all Sony R2R users in the near future as well as our machines age over time.( w# s; O! u% ?

( o& C: E) ]& Z: eKind 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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http://www.globalsemi.com/productdetails.aspx?itemno=875032100  H' [! ^" w; S" q# a4 ?4 q6 A
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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