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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 * M9 j. O% z4 s3 b3 ^0 @& q, \

) e! S2 `% d8 I' J- B- ^# X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。
2 m% X( D/ o1 S/ }, H4 L; X控制转速的IC, SONY CX-032各脚电压值如图
) M- u$ x  H8 ^; o( C' n 22-1.jpg # G% Q& a  Y1 o- D8 d! L3 {

4 B$ K( K3 B7 L. y是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!% s! k- @, j: n0 ^* `" v1 D
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 " Y1 p6 @/ E6 ^. |3 m6 _
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有人走過相同的路了0 G! q; C' v9 @. E0 N/ w8 W, t
摘自   Obsolete Media - Forum3 O/ e$ x/ t' _; Q  S5 {" W0 l+ w

7 X6 }9 c! i0 }( ?* |* [http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 $ A$ E  G/ g* r
http://obsoletemedia.com/geeklog/forum/print.php?id=20254 Y* R2 W1 Q$ M& @* w; U. F, V4 @/ e
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Chip CX-032B for Sony TC-558
9 O" o$ M$ V) x( e" KPosted on: June 16 2008 @ 01:43 PM
3 ~/ m2 U  [5 @) K9 WBy: RODALCO 6 Q; M5 ?" z0 N1 \
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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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" [! u8 `9 t; eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% g& I% B7 W  xA rare Sony turntable TTS 400 has the same chip used as well.3 s  Y3 Q% r6 z
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The supllier on this link has the IC listed.
, o+ D- P% a# v2 d1 i) Q4 C' Nhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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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)# ^2 ^* V, y. o0 c8 q

$ _$ ^: F% M$ FGru�, Raymond3 U4 r5 B# ^# x' ]: f3 N4 L; `* A9 w6 e
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
1 ?2 }: D: E$ h, ]* WBy: RODALCO ! ^# }6 o! A' ?+ [# L+ r) l

' m$ R5 L" \3 l2 R, A% JContent: 7 x  ]" K3 r  v8 p* e$ T, |
<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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8 o. m/ |3 K/ ]0 mI 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 P9 o) c+ w1 T! o' }! y* l+ DThis 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$ @) ~. A+ w9 d: W- V! X) P3 q

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7 G8 j) A1 d$ h. |* n有沒有用零件做出等效的主軸控制還要進一步追蹤5 ~  P- X! S, b  e" ^

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零件追蹤
. h8 o. ?; q, H8 [6 Zhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100: I2 L; B! ]& v
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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