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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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# x/ x/ w! j4 y- w  a  D7 z) z. e$ ~5 i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, m; q: S, L$ j控制转速的IC, SONY CX-032各脚电压值如图
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2 ~. P2 w% }: I0 e* C是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!- m% g# U7 j7 w# L* V
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 : f" ?% R/ E! j4 r' W3 R2 ^

- j; v4 K6 c2 Q& X  d! H有人走過相同的路了
) m  b( @2 N1 M& q% p+ n+ u5 E/ x+ q摘自   Obsolete Media - Forum/ {  K8 ~) Y  d: {3 @  K
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
$ l+ w1 D1 z: q" Uhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025) A, K6 O, l& y6 V& Q/ s+ |

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Chip CX-032B for Sony TC-558
6 t& m9 K" k( U9 |Posted on: June 16 2008 @ 01:43 PM , h! [* e8 r! f0 t
By: RODALCO * T3 T1 v( ^7 r# D7 I, O
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Content: # W* h5 T1 K! ^3 z# O

6 J, I' {4 d- f& QHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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4 }9 R: O! z; [$ [! R& HLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.1 _9 r9 Q$ r+ h. i0 n9 p
A rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.8 e+ L: O0 s/ W- P7 N  Y/ B
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): T/ G) L7 E# D3 q$ p. T+ x! I" y* P
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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)  X. h6 _1 j; `! B1 z& ?3 H( g
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Gru�, Raymond
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4 h- e5 v% w$ \4 Z! B! U% b6 vChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
+ d1 `9 S/ q4 K4 K* u# fBy: RODALCO / \1 t5 s3 b7 l
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Content: ( ]' G0 Z. I6 @# r+ V2 l+ k
<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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& ~  i& X9 [7 n/ X4 k3 cI 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.8 ]" [2 e8 B4 u, E
This will help all Sony R2R users in the near future as well as our machines age over time.8 H! l! ?/ c& u( @% e

" n. C2 x" y! O0 B( wKind 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1 `  \$ j% q' b9 l
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零件追蹤' N# G  N; F5 M: U# Q& e+ [9 o+ ?8 \
http://www.globalsemi.com/productdetails.aspx?itemno=875032100% Y: {+ w3 B) ~' C* |
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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