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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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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。, X( a5 H. r( s- z
控制转速的IC, SONY CX-032各脚电压值如图
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  g3 o! g. }6 V; N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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有人走過相同的路了
3 z5 p! R" j" G% A2 Z8 O- S摘自   Obsolete Media - Forum7 k) Q+ ^. u8 j' ?3 B+ ?* h3 L) l" u
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
8 M% h+ v- ], P9 R9 mhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025; j5 B1 ]5 }$ n' }" G; w) v1 o
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! Z- K. f' B8 d) jChip CX-032B for Sony TC-5583 b8 r- ^: Y$ I# s! d
Posted on: June 16 2008 @ 01:43 PM
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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.
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8 Z4 p8 T1 i" l2 Q7 L* }; R; uLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., C: v( Q9 r" }& a( ^% d
A rare Sony turntable TTS 400 has the same chip used as well.
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  o4 Q3 b1 m- b  v+ y" ?The supllier on this link has the IC listed.
( `- d9 N4 f% P3 L4 x' Khttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)  w0 I. Y, I5 P# N- R

  \: O+ b# d) VThe German Bandmaschinen Forum thread.
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* ~% K* t2 [0 fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)3 v4 g% D+ T+ {9 B' M0 e  P7 G3 v
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Gru�, Raymond: Z4 F+ X' M+ i2 Z) [4 [2 N5 E3 R

0 t* R" C0 y/ t, c2 G# UChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 8 c  @6 D+ r* w* j- ]' M
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?. p! C6 h3 v4 L0 ^& x3 v) Q7 y" w

: ]% i: e& H8 E& LI 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.
, C( V$ m2 j! }  @0 z4 dThis 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. Q7 E& d2 U+ Z. p. v
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1 v4 U3 `% {2 i0 C8 W0 G; V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* T* [* Q/ @, J/ y- g: }
http://www.globalsemi.com/productdetails.aspx?itemno=8750321009 C9 z- |5 d' P5 b0 F# O9 }
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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