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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 $ }, M8 O: ~* K$ U6 w  S8 k# z0 }
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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。1 b4 s# K  }! z- X7 W2 p
控制转速的IC, SONY CX-032各脚电压值如图
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4 |. |3 y' d7 g+ \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 # K& V+ d, k; D! E
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有人走過相同的路了7 J/ c9 |. f2 |' B: n: V; b
摘自   Obsolete Media - Forum5 e4 P" H/ \: @- k7 f  Q4 b
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
9 {9 r( k- x4 U9 F0 h0 ghttp://obsoletemedia.com/geeklog/forum/print.php?id=2025' r3 i& G3 y( v; O# k$ s

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Chip CX-032B for Sony TC-558- L7 [% g' M1 Q3 g
Posted on: June 16 2008 @ 01:43 PM $ S( W5 u  x" y6 t' x# _
By: RODALCO % b, o/ j: \1 v5 ?  |2 c$ \9 ^
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Content: ) `% ?4 |" U) o- ~0 D

. D+ L# }0 X* \( _( QHi, 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.
6 L( T# N5 x9 F: ^, I) D  JA rare Sony turntable TTS 400 has the same chip used as well.- j" a# E' R" q; z" s: T
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The supllier on this link has the IC listed.% p" h) X- c( ]1 p3 ?. Z
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& z4 ~' q! K3 o/ h1 N, [

& j  ^- S3 D* x! X- pThe German Bandmaschinen Forum thread.; K3 i% M. q/ \& ^2 r. R, ]
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond9 n! V& w2 C3 c) J) `  P

6 W, o5 n3 P! T: E$ |" lChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : a4 M, o" Z# I) W2 E
By: RODALCO
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Content: 3 b( X$ M* N! a' ?! k2 E
<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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6 @- y" V4 f6 zI 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.
( @' f6 a+ n6 ~This will help all Sony R2R users in the near future as well as our machines age over time.( Q1 d1 e) y" Y3 v* z2 _7 Y

* u8 r  i' ?8 ?+ k0 t0 M) |% E. ]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; h0 `3 u/ S+ G/ n( @) D7 |

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8 T( m; c! M# S- T9 Z; ?http://www.globalsemi.com/productdetails.aspx?itemno=875032100  {- u/ d! ?0 r% B2 O& E
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, j6 L5 P( W2 Y- b
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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