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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 * {+ B2 `' u- b/ D7 D) d: G* S8 {
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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。! s" M* A4 X; n  S( R! s# q. L0 Q- n
控制转速的IC, SONY CX-032各脚电压值如图8 N* }: Z4 ~* V; c1 `( v: g# c$ O6 H
22-1.jpg
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: T6 I3 Q1 i( a5 I/ K9 `7 b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 " E# u/ y1 _2 j& U! |8 {
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有人走過相同的路了! i+ r! H- j( @, O5 Q: Z# r
摘自   Obsolete Media - Forum8 @9 l& w& {8 F( k& s
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 7 \: {1 O# W) w8 k
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5586 P; e8 `: h2 _, h% C4 o
Posted on: June 16 2008 @ 01:43 PM 3 x, R. ~' y9 M* e
By: RODALCO
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9 }& O% u( w% K5 {Content:
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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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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
7 }" W2 F) D$ @A rare Sony turntable TTS 400 has the same chip used as well.
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  h. z' e% ?) R: ^" a0 g0 {: BThe supllier on this link has the IC listed.8 Z; N6 f8 j6 q2 {/ _( z* K  M
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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0 q6 ?5 W: {9 H8 j/ l: |# S" YThe German Bandmaschinen Forum thread.% j; P% c# W2 y

* x: G8 P6 g2 i) h3 F& u9 M, mhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond6 l; V4 {4 k8 ~/ J1 l9 W  j

" C# b) }, T2 n' A" U2 ~1 U' NChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ( Z% r( T- E4 Y( `7 F
By: RODALCO . n% |+ _  N. X- h

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/ _% k3 @- \# H' ]2 g<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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  `/ t2 }4 C2 k( C4 X+ q, S+ e3 w$ V* uI 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 A" F: x' Z6 ~1 U6 x- H0 jThis will help all Sony R2R users in the near future as well as our machines age over time.7 T. g( Z+ w9 R, h* S+ D
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Kind regards, Raymond0 z. z1 t  Y2 \# ^5 T
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  [) d0 [5 u! x& k$ W有沒有用零件做出等效的主軸控制還要進一步追蹤3 \2 E' {: J" H6 ?
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 J& b  w2 P) p39.99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, D$ v7 q" s8 O' u  @7 H& g
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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