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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 5 V+ S( C6 h3 ?, c+ K6 F8 ~+ Q# U

4 \' t. M% D% V: Z7 M- p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。/ _  K8 t1 ]% E) t' h
控制转速的IC, SONY CX-032各脚电压值如图8 R# n0 v$ c+ h/ v) V, v  C
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!$ T' Z% V; G/ J9 \; R
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
2 P' K0 R6 k/ g% N( l% l! f: F摘自   Obsolete Media - Forum# ]4 L: j6 B5 ^! F9 A/ ]

4 J9 c, }2 A) p$ _http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 J, @- [; r# v& Z4 P
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558- p, g& S' m! o8 x
Posted on: June 16 2008 @ 01:43 PM . A3 u+ n& r, y) G
By: RODALCO
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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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4 [4 }8 C$ A6 P& p- J7 \Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ T/ t3 r* v$ E( u3 \: Y( GA rare Sony turntable TTS 400 has the same chip used as well.
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( p6 u3 i2 u$ j$ WThe supllier on this link has the IC listed.
( W' N, {: x- s1 g8 p$ l! [) zhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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/ X. d9 W; X5 ?9 ?; zThe German Bandmaschinen Forum thread.* |  i- e9 J( t0 k! E. ?7 M+ q1 i
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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% `. A7 _* N  v/ P  i( p& _7 q/ MGru�, Raymond; z, |5 Z: J  X$ K( s; p

. t. h# }0 l! S' M% b1 a+ K$ eChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 9 A: g+ w+ x! l
By: RODALCO
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Content:
( c  {- }4 w3 ?8 }<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?3 V% L  z1 O0 x7 a

$ H  p; Q( j, x: }I 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.6 |. C, u3 I9 R8 {1 d
This will help all Sony R2R users in the near future as well as our machines age over time.
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' p! E$ E! @# l" L' o0 `1 {Kind regards, Raymond* t( |& e  Z' a5 H- ]) ~  X! Z% X

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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+ O9 z6 u1 Y7 [- d' o  j/ _

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# @$ w# ]5 p; M  P0 ?5 Y零件追蹤7 L5 C  ~" S0 h% p8 J6 P! b
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
% T* k6 Q9 Z6 a2 n& r39.99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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