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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 w+ n( q' l! G8 P+ p$ B) k! j
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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。/ k$ [% X( b* y- Q# m
控制转速的IC, SONY CX-032各脚电压值如图
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' R. q' f9 _+ S  B! |是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) {1 N7 V( ^6 B& j7 W; L* y6 p* X
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 / P- M( u; _. `3 i  C2 W$ o
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有人走過相同的路了. \  R1 |; {+ u5 M$ [: I+ c
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% S2 t2 j7 \1 |7 zhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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7 T% s) p$ A5 Q1 {% k- PChip CX-032B for Sony TC-5580 d% c" e! C$ C: s, d# Y
Posted on: June 16 2008 @ 01:43 PM 0 e9 j' l# Z$ H  P- [2 o. T
By: RODALCO 2 L9 b/ v+ b" o" j9 T( N

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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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2 ^0 r6 p. @" r% A1 |  RLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; A' `$ i( V2 C! F4 l/ \A rare Sony turntable TTS 400 has the same chip used as well.9 E- t2 `7 `2 }* E- d
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The supllier on this link has the IC listed.4 W; t% m' H  a# l6 B
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)- \0 C; f/ \5 ^4 C, Q

, ~. _4 t7 C7 }4 I8 s" z5 f; TThe German Bandmaschinen Forum thread.8 L5 X) |( `8 T- f

8 X4 W( u) y& _2 k: T+ S# {http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 7 ]( n2 H2 N% M" d
By: RODALCO
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2 }8 ?9 u+ z. ]7 ]Content: 2 m/ j$ |: c+ R8 x. K: M
<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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# H8 b3 k0 [+ T, H6 i2 PI 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.
2 X8 g6 \# w! H5 M6 UThis 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
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! t5 W& |; `0 a& j# Y. x" {  }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
  ]2 P# V( [' s: p! G  m" `- W! |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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