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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 ! C% a$ L& o- r  @

& K1 H! F2 `4 f7 u8 J5 _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。
4 s9 d) o/ h: D  N& R5 ?# f* s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
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& F# o5 A; H2 h; G有人走過相同的路了% g& m" D: j  I& n
摘自   Obsolete Media - Forum
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3 b( U8 c" N; @+ z, |http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 1 z9 k  C9 Y: K7 f! s
http://obsoletemedia.com/geeklog/forum/print.php?id=2025) I' b# l& S! K- v* z6 s# }8 y

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, Q9 k' M/ f4 N% X" HChip CX-032B for Sony TC-558
2 P: h* W% K" v% w3 nPosted on: June 16 2008 @ 01:43 PM & ]8 ~9 j4 K) @* g2 K! c- e
By: RODALCO / ]) q2 [: J) h' u

6 n  p7 g* q1 Y( AContent:   {( {0 `& k+ a: N- |& }

; V6 C0 [2 Z$ m  \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.
/ _6 i  k' ~' x: |A rare Sony turntable TTS 400 has the same chip used as well.! ]  w# A: q0 G( H! c5 T& S5 v

- S# K( |! j+ gThe supllier on this link has the IC listed.+ W' P6 [- V% D/ H2 ]9 t& m6 y8 X; D
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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1 T- ^6 L  C% q& vThe German Bandmaschinen Forum thread.
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3 S- [5 B9 O7 c1 s/ ^: W9 i, L" Xhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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) Q& `, t+ `. V# ]9 K& ?Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
7 O$ h3 `3 c3 O. `! zBy: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?* ]" s" W& B$ p; P

* a1 I: H% g3 `$ SI 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.
, T3 f$ S, ~4 E$ _This will help all Sony R2R users in the near future as well as our machines age over time.
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1 \5 c/ I  a0 |7 RKind regards, Raymond
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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
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零件追蹤
' `2 M. y4 `1 mhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100/ Q9 q; @/ e) ^% e1 D* V3 S3 [! ?7 Z
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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