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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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: f1 T' {" f, W4 b+ _7 F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。8 @) Q* h$ B9 W+ H! k4 ?0 h4 E
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!
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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 * j: |' F2 [. M1 A
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有人走過相同的路了* @  T) v* l! A5 U
摘自   Obsolete Media - Forum
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3 m* c/ A& |' M. {9 A6 Qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
$ @# E& ~! ^  F8 ]. V3 Ehttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
  k" c5 _5 R0 t! {  S4 A" g$ oPosted on: June 16 2008 @ 01:43 PM 5 t  b7 m: ]- X8 a# B. Q* y8 e% }
By: RODALCO
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Content:
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6 b- ?; C! ^9 K# {# oHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.' Z+ T3 s  f' B! Z/ U) m7 z

* ?8 |$ o# |$ R2 m0 Q  ?1 ^Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
1 M$ R* Q. r# b/ W/ M( y0 _1 k7 gA rare Sony turntable TTS 400 has the same chip used as well.8 y$ a4 Z; {+ ~) X' h
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The supllier on this link has the IC listed.
2 z) w9 A6 m6 e% K7 [1 B6 B- A4 Mhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): B; X* i! s+ @) o7 x$ Q- K

9 e4 A+ k, E5 M+ h8 b* Q! eThe German Bandmaschinen Forum thread., K) e8 n( `0 Z* `
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond% V! Y( ]' ?7 V, s. i9 q2 h

$ P$ K. k8 F  I1 J- {Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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' U% F5 P# W) a4 N3 V, o/ _2 K<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ F0 h4 D2 }" r2 F8 Y
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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.
/ |: A2 ]8 R7 D7 K/ U. qThis will help all Sony R2R users in the near future as well as our machines age over time.
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3 d0 ^! ~& W& ~9 C) h$ @Kind regards, Raymond
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5 C" |0 B8 J7 j6 ?! X: j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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/ g: S6 S' X7 l+ |0 u, b零件追蹤8 F. D9 W7 J8 K: R; q+ k
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
3 V, t: ^5 i! X1 T39.99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2 ?. H4 m. R3 o# i, V" i6 Y2 D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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