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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 / r5 v  m5 d! S

& P7 k2 c3 ~1 H9 M1 z9 _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 r( y2 s8 g! W2 H7 X+ c
控制转速的IC, SONY CX-032各脚电压值如图3 K  Q% F1 |% j
22-1.jpg 9 E3 X+ }9 D& f6 ]

1 ?7 x% M8 d# }$ J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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有人走過相同的路了9 R% ]. f: _4 J4 A1 Y+ X7 C
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
, c% |: F  H$ y8 o& thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025# j0 F! B. o! z* L

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, Y& k7 X4 B! P7 yChip CX-032B for Sony TC-558
9 b& M/ t6 [- ^7 w3 cPosted on: June 16 2008 @ 01:43 PM ' }! L) F% q: Q; M; W
By: RODALCO 0 z$ J3 ]5 C& h4 I
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Content: 5 `! D* _! Q% C
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.6 B6 t; C  @6 m6 b0 V

9 y% G! W+ {% B3 z! |Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
4 k  Y5 B7 Y$ i0 k' iA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.
( O1 l7 y5 z1 K3 Thttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.; p9 W% {$ D- R! n5 j3 j

. S) }4 r# H$ B5 i! a! _http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ) D2 N; l$ F4 q* q% l; n
By: RODALCO ; ~: d/ n4 C  I$ X. W* R
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Content:
  H, L. r% u7 M  L* K/ v& M<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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* h- _  N5 x3 ~/ N7 pI 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.5 K, Y) l) Z: T' p! M
This will help all Sony R2R users in the near future as well as our machines age over time.
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; M* ~; v7 j' p/ I7 H8 f3 u& ^Kind regards, Raymond
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9 {# E& |) l" R有沒有用零件做出等效的主軸控制還要進一步追蹤7 S4 @" ]$ W* R2 P$ a# U9 [

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) V  G0 V# {: M1 f) B8 P8 N零件追蹤  {; m5 {9 `0 |
http://www.globalsemi.com/productdetails.aspx?itemno=8750321009 Z5 n6 m, s. [3 D6 ]
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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