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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 3 c* l' W% j" X& D( W+ C0 I
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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。0 X$ k' u- I: U8 s/ h( |
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!5 V, k0 X4 W9 J
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
8 b8 `+ X# s* Y9 K6 I摘自   Obsolete Media - Forum
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" c6 ]5 S0 J! Xhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 l- o5 N* }- lhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558# `* ^9 N, [$ _
Posted on: June 16 2008 @ 01:43 PM
; t  r. N% d9 u) dBy: RODALCO 9 X* r. q/ N0 e( H, ]& y2 R

7 h8 l% f; W3 U" J- U! u/ `Content:
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7 P- T+ f! }0 V& HHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.( ~, ~. G: ?. V2 Z' Z3 C

: x3 N) D3 x4 W$ ?- p2 j/ `Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
) g0 Q# A. ?+ ~  oA rare Sony turntable TTS 400 has the same chip used as well.+ J( v9 u+ m) D. `# ~. [. z
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The supllier on this link has the IC listed.7 d$ a$ g5 S, `, K9 g) x
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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. V; |/ m& |0 Y. k5 ^The German Bandmaschinen Forum thread.
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5 U4 i4 t( r# X- Hhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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) d2 N7 y! M* `' [  oGru�, Raymond! J( X8 L8 q4 E$ }

5 {. A. A% ?, y6 k* cChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & z' s0 r8 b- Y, ]4 F7 d8 A
By: RODALCO
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! B  k/ G" b  Y. iContent:
+ w& G3 l9 Z1 w  x<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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% y6 m) ~- L7 V2 Z# n! P2 gI 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.& N( M! m8 _7 l! s! F+ d
This will help all Sony R2R users in the near future as well as our machines age over time., \6 p% p8 a" u# s- X
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Kind 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8 [" ^! r7 f9 `- P. k; d) M$ x

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零件追蹤. e- e% D3 k! |8 Z  A
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
, |4 o5 Q. i# d5 l39.99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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